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e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})","module.exports={\"ACTIONS\":{\"ACTIONS\":\"Actions\",\"CANCEL\":\"Cancel\",\"HELP\":\"Help\",\"SAVE\":\"Save\"},\"ADMIN\":{\"AUTHENTICATION\":\"Authentication settings\",\"ERR\":{\"LANGUAGE_DEFAULT\":\"A default language must be selected.\",\"PARSE_CAS\":\"Unable to parse the CAS configuration.\",\"PARSE_LDAP\":\"Unable to parse the LDAP configuration.\",\"PARSE_LOGIN_MSG\":\"Unable to parse the message on login/subscribe configuration.\",\"PASSWORD_MAX\":\"Maximum password size is mandatory.\",\"PASSWORD_MIN\":\"Minimum password size is mandatory.\",\"PASSWORD_SIZE\":\"Min size can't be higher than max size. Please check your numbers.\",\"ROOTURL\":\"Must be a valid URL.\",\"SMTP_EMAILFROM\":\"Must be a valid email.\",\"TITLE\":\"Title is mandatory.\"},\"ETHERPAD_ACCOUNT\":\"Etherpad account\",\"FIELD\":{\"ALLOW_ETHERPADS\":\"Anonymous pads\",\"ALL_PADS_PUBLICS_AUTHENTIFIED_ONLY\":\"Make all pads public, but always ask to be authentified\",\"APPLY\":\"Apply\",\"AUTHENTICATION_METHOD\":\"Authentication method\",\"AUTH_CAS_SETTINGS\":\"CAS settings\",\"AUTH_LDAP_SETTINGS\":\"LDAP settings\",\"AUTH_METHODS\":{\"cas\":\"Central Authentication Service\",\"internal\":\"internal\",\"ldap\":\"LDAP\"},\"CHECKMAILS\":\"Check user mails\",\"CREATE_USER\":\"Create user\",\"DELETE_JOB_QUEUE\":\"Use a job queue for pad deletion\",\"HIDE_HELP_BLOCKS\":\"Hide help blocks\",\"HTMLEXTRA_HEAD\":\"Extra HTML for <head>\",\"INSENSITIVE_MAIL_MATCH\":\"Make the user search by mail non case-sensitive\",\"LANGUAGE_DEFAULT\":\"Default language\",\"LOGIN_MSG\":\"Message on login and subscribe pages\",\"OPEN_REGISTRATION\":\"Open registration\",\"PASSWORD_MAX\":\"Maximum size\",\"PASSWORD_MIN\":\"Minimum size\",\"ROOTURL\":\"Root Web URL\",\"SEARCH\":\"Search\",\"SHOW_ALL_USERS\":\"Show all users\",\"SMTP_EMAILFROM\":\"Email to send from\",\"SMTP_HOST\":\"SMTP Host\",\"SMTP_PASS\":\"Password\",\"SMTP_PORT\":\"SMTP Port\",\"SMTP_SSL\":\"Encryption via SSL\",\"SMTP_TLS\":\"Encryption via TLS\",\"SMTP_USER\":\"User\",\"TITLE\":\"Title\",\"TOKEN_DURATION\":\"Token validity\",\"TRUST_PROXY\":\"Trust the proxy\",\"USE_FIRST_AND_LAST_NAME_IN_PADS\":\"Use first and last name of users as nickname in pads\"},\"FORM_LOGIN\":\"Administration login\",\"FORM_SETTINGS\":\"MyPads configuration\",\"FORM_USERS_SEARCH\":\"Search user\",\"FORM_USER_CREATE\":\"User creation\",\"FORM_USER_EDIT\":\"Profile user edition\",\"HELP_LOGIN\":\"<p>MyPads administration is tied to Etherpad administration. Please enter an authorized login and password, as fixed into Etherpad <em>settings.json</em> to be able to update MyPads settings.</p>\",\"HELP_SETTINGS\":\"<h3>Settings</h3><p>Only Etherpad admins have access this page. You can edit the global settings here and apply them. Changes will be effective directly.</p><h3>Passwords</h3><p>Be careful about password sizes: if you have existing accounts and raise minimum size or decrease maximum size, some user passwords may become unseizable.</p><h3>Mail configuration</h3><p>MyPads can verify the mails of subscribed users by sending them an email which will be used by them to confirm their address. Moreover, MyPads need email sending for password recovery.</p><p>Be cautious with SMTP configuration: bad parameters can lead to an Etherpad crash.</p><p>Please note that, unlike other parameters, SMTP settings are only applied after Etherpad reboot.</p>\",\"HELP_USERS\":\"<p>This admin reserved page helps you to find users by entering their login. Once found, you will be able to edit or remove user.</p><p>For simplicity and performance reasons, we don't offer here a full listing of subscribed users.</p>\",\"HELP_USER_CREATE\":\"<p>Here you can create an account, even if registration is disabled.</p><p>Please note that no email is sent to the user, even if email checking is enabled.</p>\",\"HELP_USER_EDIT\":\"<p>Here you can update all data associated to an existing user.</p><p>Please note that by default, leaving password empty means keeping the current password. If you want to change it, you have to fill password field and its confirmation.</p>\",\"INFO\":{\"ALLOW_ETHERPADS\":\"Allow classic anonymous pads from on the Etherpad instance, created from the root URL of the server\",\"ALL_PADS_PUBLICS_AUTHENTIFIED_ONLY\":\"This option removes the notion of restreint or private pads, making all of them public but they will be accessible to authentified users only.\",\"AUTHENTICATION_METHOD\":\"You can choose between multiple authentication methods. The default is \\\"internal\\\". You can't mix authentication methods.\",\"AUTH_CAS_SETTINGS\":\"See details on the <a href=\\\"https://framagit.org/framasoft/Etherpad/ep_mypads/wikis/use-CAS-authentication\\\">dedicated wiki page</a>.<br>Beside properties and defaultLang, all the settings are <a href=\\\"https://github.com/jsumners/simple-cas-interface/blob/HEAD/api.md#CASParameters\\\" hreflang=\\\"en\\\">simple-cas-interface</a> (the module used for the CAS authentication) settings. The `serverUrl` should not end with a trailing slash.\",\"AUTH_LDAP_SETTINGS\":\"See details on the <a href=\\\"https://framagit.org/framasoft/Etherpad/ep_mypads/wikis/use-ldap-authentication\\\">dedicated wiki page</a>.<br>Beside properties and defaultLang, all the settings are ldapauth-fork (the module used for the LDAP authentication) settings. You can add other settings to it, just go on <a href=\\\"https://www.npmjs.com/package/ldapauth-fork#ldapauth-config-options\\\">the module page</a> to see which.\",\"CHECKMAILS\":\"Check user mail given at subscription\",\"DELETE_JOB_QUEUE\":\"Etherpad has issues when deleting pads with a lot of revisions (total freeze, confirmed with 72,000 revisions). To avoid freeze of your Etherpad instance, you can use a job queue, provided by MyPads, to safely handle the deletion of pads. See details on https://framagit.org/framasoft/Etherpad/ep_mypads/wikis/Use-the-job-queue.\",\"HIDE_HELP_BLOCKS\":\"Help blocks shows in multiple MyPads pages, you can hide them with this setting\",\"HTMLEXTRA_HEAD\":\"Custom HTML Code appended to tag <head>\",\"INSENSITIVE_MAIL_MATCH\":\"When you share a folder to someone, using his/her email address, you have to know exactly the case (ie JaneDoe@example.org) or MyPads won't find the user. This option makes MyPads search for email address case insensitive.\",\"LANGUAGE_DEFAULT\":\"Default language for guest MyPads users\",\"LOGIN\":\"The etherpad settings.json fixed admin login\",\"LOGIN_MSG\":\"You can display a message on login and subscribe pages. English language will be used as fallback if user’s language is not defined or empty. HTML is authorized, be careful!\",\"NOCHANGE\":\"Configuration have not changed, so no update has been sent\",\"OPEN_REGISTRATION\":\"Allow anyone to create an account (no effect if the LDAP authentication is set)\",\"PASSWORD_MAX\":\"Password maximum number of characters\",\"PASSWORD_MIN\":\"Password minimum number of characters\",\"ROOTURL\":\"The root Web address used to access to Etherpad\",\"SMTP_EMAILFROM\":\"Email address to use to send emails from MyPads\",\"SMTP_HOST\":\"Domain name where the SMTP Server belongs to\",\"SMTP_PASS\":\"Optional: if authentication to the SMTP server is required, password\",\"SMTP_PORT\":\"SMTP Port to use\",\"SMTP_SSL\":\"Check it if you want to use an encrypted SSL connexion between MyPads and your SMTP Server\",\"SMTP_TLS\":\"Check it if you want to use an encrypted TLS connexion between MyPads and your SMTP Server\",\"SMTP_USER\":\"Optional: if authentication to the SMTP server is required, username\",\"SUCCESS\":\"Configuration has been updated successfully\",\"TITLE\":\"Global title displayed on your MyPads instance\",\"TOKEN_DURATION\":\"The time, in minutes, generated tokens are valid until users confirm their subscription\",\"TRUST_PROXY\":\"Configuration with a reverse proxy for the use of the same instance on several domains, this automatically calculates the service url according to requests without taking the parameter \\\"rootUrl\\\" into account.\",\"USERS_SEARCH_LOGIN\":\"Please enter a login to search around database users\",\"USER_FOUND\":\"User found, please see options inside the form\",\"USER_NONE\":\"No user for this login\",\"USER_REMOVE_SURE\":\"You are on the verge of removing definitively this account and all the folders and pads on which the user is the unique administrator. If you are really sure about what you are doing, please click on the OK button.\",\"USE_FIRST_AND_LAST_NAME_IN_PADS\":\"Force the use of first and last name as nickname in pads\"},\"SETTINGS_GENERAL\":\"General settings\",\"SETTINGS_MAIL\":\"Mail settings\",\"SETTINGS_PASSWORD\":\"Password settings\",\"SUBSCRIBE_SUCCESS\":\"Successful user creation!\",\"USERS_COUNT\":\"Number of users:\",\"USERS_SEARCH_LOGIN\":\"Search by login\"},\"BACKEND\":{\"ERROR\":{\"AUTHENTICATION\":{\"ACTIVATION_NEEDED\":\"Your account has not been confirmed.\",\"ADMIN\":\"Access denied: you must be an authenticated Etherpad instance admin.\",\"CAS_NO_TICKET\":\"Access denied: no CAS ticket provided.\",\"DENIED\":\"Access denied\",\"DENIED_RECORD\":\"You're not allowed to get this record.\",\"DENIED_RECORD_EDIT\":\"You're not allowed to edit this record.\",\"LDAP_NO_VALID_MAIL\":\"The email address returned by the LDAP server is not valid.\",\"MUST_BE\":\"You must be authenticated.\",\"NOT_AUTH\":\"Not authenticated.\",\"NO_RECOVER\":\"Sorry, you can't recover you password from here.\",\"NO_REGISTRATION\":\"Sorry, registration is disabled.\",\"PASSWORD_INCORRECT\":\"Password is not correct.\",\"PLEASE_CHANGE_YOUR_PASSWORD\":\"Your password is the one registered when using external authentification. This server use internal authentication and as a safety mesure, this password is not allowed. Please click on the \\\"Lost your password?\\\" link to change it and be able to login.\",\"TOKEN_INCORRECT\":\"Your security token is invalid.\"},\"CONFIGURATION\":{\"CANTGET\":\"Configuration loading has failed. Please contact your administrator.\",\"KEY_NOT_FOUND\":\"The record has not been found.\",\"LANG_PROBLEM\":\"Language update cannot be done. The default language will be used.\",\"MAIL_NOT_CONFIGURED\":\"Mail settings have not been done on this server. Please contact its administrator.\",\"ROOTURL_NOT_CONFIGURED\":\"Root Url setting has not been entered on this server. Please contact its administrator.\",\"UNABLE_TO_BIND_TO_LDAP\":\"Unable to bind to LDAP server with this settings. Please check your LDAP settings.\"},\"GROUP\":{\"CASCADE_REMOVAL_PROBLEM\":\"Something goes wrong with cascade pads removal.\",\"INEXISTENT\":\"Folder does not exist.\",\"ITEMS_NOT_FOUND\":\"Some users, admins or pads have not been found.\",\"NOT_USER\":\"You are not an user of this folder.\",\"RESIGN_UNIQUE_ADMIN\":\"You can't resign the unique administrator.\"},\"PAD\":{\"INEXISTENT\":\"Pad does not exist.\",\"ITEMS_NOT_FOUND\":\"Pad folder or at least one of the users are not found.\"},\"PERMISSION\":{\"UNAUTHORIZED\":\"You are not allowed to access to this record.\",\"UNEXPECTED\":\"Sorry, an unexpected has error has occurred.\"},\"TOKEN\":{\"EXPIRED\":\"Token has expired. Please make a new request.\",\"INCORRECT\":\"Used token contains incorrect data for this request.\"},\"TYPE\":{\"CALLBACK_FN\":\"Callback must be a function.\",\"GID_STR\":\"gid must be a string.\",\"ID_STR\":\"_id, when defined, must be a string.\",\"INVITE_BOOL\":\"Invite must be a boolean.\",\"KEY_STR\":\"Key must be a string.\",\"LOGINS_ARR\":\"logins must be an array.\",\"LOGIN_REQUIRED\":\"Login is required.\",\"LOGIN_STR\":\"Login must be a string.\",\"MAIL\":\"Email is invalid.\",\"MSG_STR\":\"message must be a string.\",\"PARAMS_REQUIRED\":\"Parameters are mandatory.\",\"PARAM_STR\":\"Some parameter must be a string.\",\"PASSWORD_MISSING\":\"Missing password.\",\"PASSWORD_SIZE\":\"Password size is too short or too long.\",\"PASSWORD_STR\":\"Password must be a string.\",\"SMTP_CONFIG\":\"Your SMTP server configuration is invalid.\",\"STR_100\":\"String can't be more than 100 characters.\",\"SUBJECT_STR\":\"subject must be a string.\",\"TO_MAIL\":\"to must be an email address.\",\"TYPE_PADSORGROUPS\":\"Type must be either pads or folders.\",\"UNABLE_TO_USE_EP_SETTINGS\":\"Unable to use Etherpad settings.json.\",\"USERLIST_CRUD\":\"crud must be add, set or del.\",\"USERLIST_ID\":\"In set and del modes, ulistid is mandatory.\",\"USERLIST_NAME\":\"In add mode, name of the userlist is mandatory.\",\"USERLIST_SET_PARAMS\":\"In set mode, name or uids is mandatory.\",\"USER_INVALID\":\"User is invalid.\",\"VALUE_REQUIRED\":\"Value is mandatory.\",\"WITHEXTRA_BOOL\":\"withExtra must be a boolean.\"},\"USER\":{\"ALREADY_EXISTS\":\"User already exists, please choose another login.\",\"BOOKMARK_NOT_FOUND\":\"Bookmark not found.\",\"EMAIL_ALREADY_EXISTS\":\"This user email has already been used, please choose another one.\",\"NOT_FOUND\":\"User not found.\",\"USERLIST_NOT_FOUND\":\"Userlist not found.\"}}},\"BOOKMARK\":{\"HELP\":\"<p>Bookmark page offers you the ability to see all your bookmarked elements from MyPads. You can remove them from bookmarks if you want to.</p>\",\"TITLE\":\"My Bookmarks\"},\"GLOBAL\":{\"AND\":\"and\",\"DESCRIPTION\":\"MyPads is an <a href=\\\"http://etherpad.org/\\\">Etherpad</a> plugin which have been founded in 2014 on Ulule by <a href=\\\"http://ulule.com/etherpad-framapad/supporters/\\\">413 backers</a> and organized by the non-profit organization <a href=\\\"http://framasoft.org\\\">Framasoft</a>. It handles:<ul><li>users and their authentication; </li><li>folders of pads per user, unlimited, sharable;</li><li>attached pads, with choice between invite known users to use them, making them private with password or letting them public.</li></ul>\",\"FOOTER\":\"Powered by <a href=\\\"https://framagit.org/framasoft/Etherpad/ep_mypads\\\" target=\\\"_blank\\\">MyPads</a><br>Published under Apache License 2.0\",\"LANG\":\"English\",\"NO\":\"no\",\"OR\":\"or\",\"YES\":\"yes\"},\"GROUP\":{\"ADD\":\"Add a new folder\",\"ADD_HELP\":\"<h3>Visibility</h3><p>You have the choice between three levels of visibility. It will impact all linked pads:<ul><li><em>restricted</em>, default choice: access of the pads are limited to a list of invited users you have chosen;</li><li><em>private</em>: in this mode, you have to enter a password and access to the pads will be checked against this password;</li><li><em>public</em>: in this mode, all pads are public, users just need to have the URL address.</li></ul></p><h3>Readonly</h3><p>If you check <em>readonly</em>, all attached pads will stay in their state, and can not be edited. Note that visibility still works in readonly mode.</p>\",\"ADD_HELP_LABEL\":\"<h3>Tags</h3><p>You can attach tags to this element by clicking on the corresponding input field and selecting them one by one.</p><p>To create a new tag, fill it and type ENTER key or click on the 'Ok' button. Once the tag has been added, it will automatically been selected on this form.</p><p>You can remove a tag by clicking on the cross located on the right of it.</p>\",\"ADD_HELP_PUBLIC_ACCESS\":\"<h3>Visibility</h3><p>All pads are public, authenticated users just need to have the URL address.</p>\",\"ADMIN_SHARE\":{\"AS\":\"Administration sharing\",\"FAILURE\":\"You can't share administration with users who have no account in this instance: \",\"SUCCESS\":\"Administration sharing has been successfully achieved for \"},\"ARCHIVED\":\"Archived folders\",\"BOOKMARK\":\"Bookmark\",\"BOOKMARKED\":\"Bookmarked folders\",\"EDIT\":\"Edit\",\"EDIT_GROUP\":\"Edit a folder\",\"ERR\":{\"NAME\":\"The name of the folder is required.\"},\"FIELD\":{\"ALLOW_USERS_TO_CREATE_PADS\":\"Allow simple users of the folder to create pads?\",\"ARCHIVED\":\"Archived\",\"DESCRIPTION\":\"Description\",\"GROUP_PARAMS\":\"Folder parameters?\",\"NAME\":\"Name\",\"PRIVATE\":\"Private\",\"PUBLIC\":\"Public\",\"READONLY\":\"Readonly\",\"RESTRICTED\":\"Restricted\",\"VISIBILITY\":\"Visibility\"},\"FILTERS\":{\"ADMIN\":\"Folders I am admin\",\"HELP\":\"You can select one or several filters, click again on it to deactivate.\",\"TITLE\":\"Filters\",\"USER\":\"Folders I have been invited\"},\"GROUP\":\"Folder\",\"GROUPS\":\"Folders\",\"HELP\":\"Folders can contain pads. Here are your folders: those you have created, those you have been explicitly invited.\",\"INFO\":{\"ADD_SUCCESS\":\"Folder has been successfully created.\",\"ALLOW_USERS_TO_CREATE_PADS\":\"This allows users of the folder that don't have administrator rights to create pads in the folder.\",\"ARCHIVED\":\"If checked, folder will appear in the archived folders list even if it's bookmarked.\",\"CHAT_HISTORY_REMOVE_SUCCESS\":\"The chat history of the pad has been successfully removed.\",\"CHAT_HISTORY_REMOVE_SURE\":\"Are you sure you want to remove the chat history of this pad?\",\"DESCRIPTION\":\"An optional long text to describe your folder\",\"EDIT_SUCCESS\":\"Folder has been successfully updated.\",\"GROUP_PARAMS\":\"By default, pad inherits from parameters of the folder they belong to. You can overwrite them if you want.\",\"NAME\":\"Name\",\"PAD_ADD_SUCCESS\":\"Pad has been successfully created.\",\"PAD_EDIT_SUCCESS\":\"Pad has been successfully updated.\",\"PAD_MOVE\":\"Select the wanted folder for your migration.\",\"PAD_MOVE_NOGROUP\":\"Sorry but no other folder is available. You should create one before.\",\"PAD_MOVE_SUCCESS\":\"All pads have been successfully moved.\",\"PAD_REMOVE_SUCCESS\":\"Pad has been successfully removed.\",\"PAD_REMOVE_SURE\":\"Are you sure you want to remove this pad ? WARNING: this action is irreversible, the pad will be deleted for EVERYONE that has access to it.\",\"PASSWORD\":\"Required in private mode\",\"READONLY\":\"If checked, linked pads will be in readonly mode and the folder will be in the archived folders list unless it's bookmarked.\",\"REMOVE_SUCCESS\":\"Folder has been successfully removed.\",\"REMOVE_SURE\":\"Are you sure you want to remove this folder ? WARNING: this action is irreversible, the folder and its pads will be deleted for EVERYONE that has access to it.\",\"RESIGN\":\"Are you sure you want to resign from this folder ?\",\"RESIGN_SUCCESS\":\"You have left the folder successfully.\",\"VISIBILITY\":\"Required, restricted by default to invited users or admins.\"},\"INVITE_USER\":{\"FAILURE\":\"You can't invite users who have no account in this instance: \",\"HELP\":\"<h4>Userlists</h4><p>You can select one or more userlists. Each click will add all members of the selected userlist to invited users.</p><h4>Invite users</h4><p>This field accepts one email or login at a time. When ENTER is typed, or OK is clicked, the filled data is added to the list of invited users. A list of known users helps you to fill the input.</p><h4>Users</h4><p>This list contains all selected users. You can remove one by clicking the sign after each item.</p><h4>Note</h4><p>Please note that, for instance, registered users will be automatically added to your folder. In short term, external users will receive a mail for creating an account.</p>\",\"INPUT_HELP\":\"You can invite as many users as you want.\",\"IU\":\"Invite and manage users\",\"PLACEHOLDER\":\"Email or login\",\"SUCCESS\":\"User invitation has been successfully achieved for \",\"USERS_SELECTED\":\"Selected users\",\"USERS_SELECTION\":\"Users selection\"},\"INVITE_USERLIST\":\"Invite a list of users\",\"MARK_SUCCESS\":\"Marking successfully\",\"MYGROUPS\":\"My Folders\",\"NONE\":\"No folder\",\"PAD\":{\"ADD\":\"Create a new pad\",\"ADD_PROMPT\":\"Enter the name of the new pad\",\"ADMINS\":\"Admins\",\"DESELECT_ALL\":\"Deselect all pads\",\"EDIT\":\"Edit a pad\",\"EDIT_PROMPT\":\"Enter the new name of the pad\",\"EXPAND\":\"Expand\",\"FROM_GROUP\":\"folder:\",\"MOVE\":\"Move pads to another folder\",\"MOVE_HELP\":\"<p>Please select the wanted folder for your migration. Only folders on which you are admin are listed.</p><p>Once chosen, click on the submit button and wait for a moment.</p>\",\"MOVE_TITLE\":\"Pads migration of the folder \",\"NONE\":\"No pad linked\",\"OPEN_TAB\":\"Open in a new tab\",\"PAD\":\"Pad\",\"PADS\":\"Pads\",\"PUBLIC_DENIED\":\"Public access: you are not allowed to see this data.\",\"REDUCE\":\"Reduce\",\"SELECT_ALL\":\"Select all pads\",\"SELECT_AT_LEAST_ONE_PAD\":\"Please, select at least one pad.\",\"SORT_BY\":\"Sort pads by\",\"SORT_BY_CREATION\":\"creation date\",\"SORT_BY_NAME\":\"name\",\"SORT_BY_UPDATE\":\"last update\",\"TITLE\":\"Title\",\"USERS\":\"Users\",\"USERS_NONE\":\"No user\",\"VIEW_HELP\":\"<p>Here is the main interface of the current pad.</p><p>If the folder or the pad is private, you need to enter the password to be able to access to it.</p><p>If you want to show the folder and if you have the permission to, you can click on the folder name.</p>\",\"VISIBILITY\":\"Visibility\"},\"PROPERTIES\":\"Properties\",\"QUIT_GROUP\":\"Unsubscribe from the folder\",\"REMOVE\":\"Remove\",\"REMOVE_CHAT_HISTORY\":\"Remove chat history\",\"SEARCH\":{\"HELP\":\"Search on common fields with at least 2 characters\",\"TITLE\":\"Search\",\"TYPE\":\"Type here\"},\"SHARE\":\"Share\",\"SHARE_ADMIN\":\"Share administration\",\"SHARE_LINK\":\"Please share this URL to your guests.\",\"SHARE_PASSWORD\":\"Please enter the password to be able to share.\",\"SORT\":{\"HELP\":\"By default, folders are ordered by creation date, older first. You can choose to use another orders. Click again to reverse order.\",\"TITLE\":\"Sort by\"},\"TAGS\":{\"HELP\":\"You can filter by one or more tags. Click again to deactivate if wanted.\",\"TITLE\":\"Tags\"},\"UNMARK\":\"Unmark\",\"VIEW\":\"View\",\"VIEW_HELP\":\"<p>The details of the folder show you:<ul><li>options defined when folder has been created or updated;</li><li>list of pads created for this folder;</li><li>and list of admins and users of the folder.</li></ul></p><p>From there, you can: <ul><li>create new pads, edit them, remove or mark them;</li><li>share administration of your folder with other users;</li><li>invite other users to view and edit pads of the folder.</li></ul></p>\",\"VIEW_MANAGE\":\"View and manage folder and its pads\"},\"MENU\":{\"ADMIN\":\"Administration\",\"BOOKMARK\":\"My Bookmarks\",\"CONFIG\":\"Configuration\",\"LOGOUT\":\"Logout\",\"PAD\":\"My Folders & Pads\",\"PROFILE\":\"My Profile\",\"USERLIST\":\"My Userlists\",\"USERS\":\"Users\"},\"NOTIFICATION\":{\"ERROR\":\"Error\",\"ERROR_UNEXPECTED\":\"An unexpected error has been raised. Please contact the administrator.\",\"INFO\":\"Info\",\"SUCCESS\":\"Success\",\"SUCCESS_GENERIC\":\"Action has been successfully achieved.\",\"WARNING\":\"Warning\"},\"TAG\":{\"HELP\":\"You can associate to this element as many tags as you wish\",\"PLACEHOLDER\":\"Enter your tag\",\"TAGS\":\"Tags\"},\"USER\":{\"AUTH\":{\"PROFILE_SUCCESS\":\"Profile successfully updated.\",\"SUBSCRIBE_CONFIRM_SUCCESS\":\"Successful subscription. An email has been sent to you in order to confirm your email address before you can login.\",\"SUBSCRIBE_SUCCESS\":\"Successful subscription ! Welcome.\",\"SUCCESS\":\"Successful authentication ! Welcome.\",\"SUCCESS_OUT\":\"You have been successfully disconnected.\",\"WELCOME\":\"Welcome\"},\"COLOR\":\"Customized color for pads\",\"COLOR_SAMPLE\":\"#00cc00\",\"EMAIL\":\"Email\",\"EMAIL_SAMPLE\":\"username@example.org\",\"ERR\":{\"COLOR\":\"The hexadecimal code must be like #000000.\",\"EMAIL\":\"The email is required and should be valid.\",\"LOGIN\":\"Login is required.\",\"LOGOUT\":\"Log out error: you were not authenticated.\",\"PASSWORD_MISMATCH\":\"The entered passwords do not match.\"},\"FIRSTNAME\":\"Firstname\",\"FORM\":\"Login\",\"HELP\":{\"PROFILE\":\"<p>Every change into your profile needs the current password field to be correctly filled. Please note that:</p><ul><li>you can change everything by updating the appropriate field;</li><li>leaving password and password confirmation empty won't affect your current password;</li><li>you can't change your login at the moment but it will be possible in the future;</li><li>if you want to change your password, please enter the new one into the password field and confirm it with the password confirmation.</li></ul>\"},\"INFO\":{\"ACCOUNT_CONFIRMATION_SUCCESS\":\"Your account has been successfully confirmed. You can now login.\",\"CHANGEPASS_SUCCESS\":\"Your password has been successfully updated.\",\"COLOR\":\"The hexademical code for color you want to be used by default in pads\",\"EMAIL\":\"The email is required for password recovery.\",\"LANG\":\"Your default browser configuration, depending on available languages on MyPads.\",\"LOGIN\":\"The unique login you choose when you have subscribed.\",\"OPTIONAL\":\"Optional field\",\"PAD_NICKNAME\":\"If defined, replace your login in pads if you have checked \\\"Use login and color in pads?\\\".\",\"PASSRECOVER_SUCCESS\":\"You should have received an email to the address you have used when you subscribe. This email contains a Web address that is temporary valid. Please follow this url to change your password.\",\"PASSWORD_BEGIN\":\"Must be between \",\"PASSWORD_CHECK\":\"For verification: must be the same as password.\",\"PASSWORD_CURRENT\":\"Security check: required for all profile changes.\",\"PASSWORD_END\":\" characters\",\"REMOVE_ACCOUNT\":\"Remove definitively your account and all the folders and pads on which you are the unique administrator.\",\"REMOVE_ACCOUNT_SUCCESS\":\"Account removed with success.\",\"REMOVE_ACCOUNT_SURE\":\"You are on the verge of removing definitively your account and all the folders and pads on which you are the unique administrator. If you are really sure about what you are doing, please enter your current password and click OK.\",\"USECOLORINPADS\":\"Use chosen color in pads by default?\",\"USELOGINANDCOLORINPADS\":\"Use login and chosen color in pads by default?\"},\"LANG\":\"Language\",\"LASTNAME\":\"Lastname\",\"LOGIN\":\"Login\",\"MANDATORY_FIELDS\":\"Mandatory fields\",\"MYPADS_ACCOUNT\":\"MyPads account\",\"OK\":\"Ok\",\"OPTIONAL_FIELDS\":\"Optional fields\",\"ORGANIZATION\":\"Organization\",\"ORSUB\":\" (or subscribe)\",\"PAD_NICKNAME\":\"Nickname used in pads\",\"PASSCHECK\":\"Password Confirmation\",\"PASSCURRENT\":\"Current password\",\"PASSRECOVER\":\"Password recovery\",\"PASSWORD\":\"Password\",\"PASSWORD_LOST\":\"Lost your password?\",\"PLEASE_WAIT\":\"Please wait, the service is currently loading.\",\"PROFILE\":\"Profile\",\"REGISTER\":\"Register\",\"REMOVE_ACCOUNT\":\"Remove my account\",\"SUBSCRIBE\":\"Subscribe\",\"UNDEF\":\"********\",\"USECOLORINPADS\":\"Use color in pads?\",\"USELOGINANDCOLORINPADS\":\"Use login and color in pads?\",\"USERNAME\":\"Username\"},\"USERLIST\":{\"ADD\":\"Create a new userlist\",\"EDIT\":\"Edit userlist \",\"ERR\":{\"NAME\":\"The name of the userlist is required.\"},\"FIELD\":{\"NAME\":\"Name\",\"USERS\":\"Users\",\"USERSAREA_HELP\":\"You can add as many emails or logins you want.\",\"USERSAREA_PLACEHOLDER\":\"One email or login per line\",\"USERS_HELP\":\"Add as many users as you want.\"},\"FORM_HELP\":\"<h3>Name</h3><p>You must give a name to the userlist, in order to be able to identify it.</p><h3>Users</h3><p>You can add as many users as you want. To do it, please enter the email or login and click on the 'OK' button. Note that already known users can be selected from the input.</p><p>To remove users, click on the cross located at the right of each user.</p>\",\"HELP\":\"<p>Here you can find all your userlists, ordered by creation date. Summary information are available with the name of each userlist and the number of users linked.</p><p>Through action icons, located on top right of each userlist, you can edit or remove lists. Details are available in the form view, via edit action.</p>\",\"INFO\":{\"ADD_SUCCESS\":\"Userlist has been successfully created.\",\"EDIT_SUCCESS\":\"Userlist has been successfully updated.\",\"NAME\":\"Name of the userlist\",\"REMOVE_SUCCESS\":\"Userlist has been successfully removed.\",\"REMOVE_SURE\":\"Are you sure you want to remove this userlist?\",\"USER_FAILURE\":\"You can't add users who have no account in this instance: \",\"USER_INVITE\":\"By selecting a userlist, you will invite all its users at the same time.\",\"USER_SUCCESS\":\"User adding has been successfull for \"},\"USERLIST\":\"Userlist\"}}","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Frontend Entry Point\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module is the entry point for front JavaScript programming. It requires\n*  global dependencies and main client-side file.\n*/\n\n(function () {\n  var conf  = require('./frontend/js/configuration.js');\n  var route = require('./frontend/js/route.js');\n  conf.init(route.init);\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Authentification module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module handles MyPads Web client authentification.\n*/\n\nmodule.exports = (function () {\n  var m = require('mithril');\n\n  var auth = {};\n  auth.admToken = function () { return localStorage.getItem('admToken'); };\n  auth.isAdmin = function () { return !!auth.admToken(); };\n  auth.userInfo = m.prop();\n  auth.token = function () { return localStorage.getItem('token'); };\n  //auth.isAuthenticated = m.prop(!!auth.token());\n  auth.isAuthenticated = function () { return !!auth.token(); };\n\n  auth.fn = {};\n\n  /**\n  * ### xhrConfig\n  *\n  * `xhrConfig` sets *Authorization* header for XML Requests. It takes a `xhr`\n  * object for m.request and sets Authorization header with `auth.token`\n  * property.\n  */\n\n  auth.fn.xhrConfig = function (xhr) {\n    xhr.setRequestHeader('Authorization', 'JWT ' + auth.token());\n  };\n\n  return auth;\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Configuration\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module contains configuration-like for frontend.\n*/\n\nmodule.exports = (function () {\n  // Dependencies\n  var m = require('mithril');\n  var ld = require('lodash');\n  var auth = require('./auth.js');\n\n  var config = {};\n  config.URLS                      = { RAWBASE: window.location.pathname.replace(new RegExp('index.html'), '') };\n  config.URLS.BASE                 = config.URLS.RAWBASE + 'api';\n  config.URLS.CONF                 = config.URLS.BASE + '/configuration';\n  config.URLS.AUTH                 = config.URLS.BASE + '/auth';\n  config.URLS.LOGIN                = config.URLS.AUTH + '/login';\n  config.URLS.LOGOUT               = config.URLS.AUTH + '/logout';\n  config.URLS.CASLOGIN             = config.URLS.AUTH + '/login/cas';\n  config.URLS.CHECK                = config.URLS.AUTH + '/check';\n  config.URLS.USER                 = config.URLS.BASE + '/user';\n  config.URLS.ALL_USERS            = config.URLS.BASE + '/all-users';\n  config.URLS.SEARCH_USERS         = config.URLS.BASE + '/search-users';\n  config.URLS.USERMARK             = config.URLS.USER + 'mark';\n  config.URLS.GROUP                = config.URLS.BASE + '/group';\n  config.URLS.PAD                  = config.URLS.BASE + '/pad';\n  config.URLS.USERLIST             = config.URLS.BASE + '/userlist';\n  config.URLS.PASSRECOVER          = config.URLS.BASE + '/passrecover';\n  config.URLS.ACCOUNT_CONFIRMATION = config.URLS.BASE + '/accountconfirm';\n  config.URLS.CACHECHECK           = config.URLS.BASE + '/cache/check';\n  config.SERVER                    = m.prop();\n  // default to en\n  var USERLANG_DEFAULT = 'en';\n  config.USERLANG = USERLANG_DEFAULT;\n  config.LANG = require('../../static/l10n/en.json');\n\n  /**\n  * ## updateLang\n  *\n  * `updateLang` is an asynchronous function that takes a lang *key* and\n  * gathers the JSON language file to fix it into `config.LANG`.\n  */\n\n  config.updateLang = function (key) {\n    m.request({\n      method: 'GET',\n      url: config.URLS.RAWBASE + 'l10n/' + key + '.json'\n    }).then(function (resp) {\n      config.USERLANG = key;\n      config.LANG = resp;\n    }, function (err) {\n      console.log('updatel:' + err);\n      config.USERLANG = USERLANG_DEFAULT;\n      var emsg = config.LANG.BACKEND.ERROR.CONFIGURATION.LANG_PROBLEM +\n        ' (' + err + ')';\n      var notifErr = require('./widgets/notification.js').error;\n      notifErr({ body: emsg });\n    });\n  };\n\n  /**\n  * ## unauthUrl\n  *\n  * `unauthUrl` is a function that wraps an internal value, a string, `url`,\n  * which is empty by default. If argument `set` is fixed to *true*, internal\n  * `url` becomes current window location. It always return `url` value.\n  */\n\n  config.unauthUrl = (function () {\n    var url = '';\n    return function (set) {\n      if (set) { url = window.location.toString(); }\n      return url;\n    };\n  })();\n\n  /**\n  * ## init\n  *\n  * `init` is an asynchronous function that calls for the public configuration\n  * of MyPads and push them to the `SERVER` field. It also populates `auth`\n  * m.props with proper  data, when there is already a valid cookie fixed.\n  * Finally, it loads language according to browser preference.\n  *\n  * It takes a `callback` function to execute when initialization is finished.\n  */\n\n  config.init = function (callback) {\n    m.request({\n      method: 'GET',\n      url: config.URLS.CONF,\n      data: (auth.isAuthenticated() ? { auth_token: auth.token() } : undefined )\n    }).then(function (settings) {\n      config.SERVER = settings.value; \n      if (!settings.auth && auth.isAuthenticated()) {\n        localStorage.removeItem('token');\n      }\n      auth.userInfo(settings.user);\n      var ulang = window.navigator.userLanguage || window.navigator.language;\n      ulang = ld.find(ld.keys(config.SERVER.languages), function (l) {\n        return ld.startsWith(ulang, l);\n      });\n      if (ulang && (ulang !== 'en')) { config.updateLang(ulang); }\n      callback();\n    }, function (err) {\n      console.log('confinit:' + err);\n      var emsg = config.LANG.BACKEND.ERROR.CONFIGURATION.CANTGET + ' (' + err + ')';\n      var notifErr = require('./widgets/notification.js').error;\n      notifErr({ body: emsg });\n    });\n  };\n\n  return config;\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # CleanupXss helpers functions\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module contains function to check if the user cache is populated\n*/\n\nmodule.exports = (function () {\n  var cleanupXss = {};\n\n  /**\n  * `cleanup` removes `<` and `>` to replace them by HTML entities\n  */\n\n  var rgx1 = new RegExp('<', 'g');\n  var rgx2 = new RegExp('>', 'g');\n\n  cleanupXss.cleanup = function(text) {\n    return text.replace(rgx1, '&lt;').replace(rgx2, '&gt;');\n  };\n\n  return cleanupXss;\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # expandPad helpers functions\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module contains function to check if the user cache is populated\n*/\n\nmodule.exports = (function () {\n  // Dependencies\n  var cookie = require('js-cookie');\n  var conf   = require('../configuration.js');\n\n  var expandPad = {};\n\n  /*\n   * Expand iframe when the cookie says to\n   */\n  expandPad.autoExpand = function(element, isInitialized) {\n    if (isInitialized) { return; }\n\n    if (expandPad.wantExpandedPad()) {\n      expandPad.expandIframe();\n    }\n  };\n\n  /*\n   * Read the wantExpandedPad cookie and if it says that the user wants to expand iframe\n   */\n  expandPad.wantExpandedPad = function() {\n    var wantExpandedPad = cookie.get('wantExpandedPad');\n    return (typeof wantExpandedPad === 'string' && wantExpandedPad === 'true');\n  };\n\n  /*\n   * Check if iframe is expanded\n   */\n  expandPad.isExpanded = function() {\n      return ((document.querySelector('a.expand-toggle').className).indexOf('expanded') > -1);\n  };\n\n  /*\n   * Expand the iframe\n   */\n  expandPad.expandIframe = function() {\n    var iframe   = document.querySelector('section.pad iframe');\n    var aExpandI = document.querySelector('a.expand-toggle i');\n    var aExpand  = document.querySelector('a.expand-toggle');\n\n    if (iframe) {\n      iframe.style.height = '80vh';\n    }\n\n    if (aExpandI) {\n      aExpandI.classList.remove('glyphicon-resize-full');\n      aExpandI.classList.add('glyphicon-resize-small');\n    }\n\n    if (aExpand) {\n      aExpand.classList.add('expanded');\n      aExpand.title = conf.LANG.GROUP.PAD.REDUCE;\n    }\n\n    cookie.set('wantExpandedPad', 'true', { expires: 365, path: conf.URLS.RAWBASE });\n  };\n\n  /*\n   * Reduce the iframe\n   */\n  expandPad.reduceIframe = function(remember) {\n    if (typeof(remember) === 'undefined') {\n      remember = true;\n    }\n    var iframe   = document.querySelector('section.pad iframe');\n    var aExpandI = document.querySelector('a.expand-toggle i');\n    var aExpand  = document.querySelector('a.expand-toggle');\n\n    if (iframe) {\n      iframe.style.height = null;\n    }\n\n    if (aExpandI) {\n      aExpandI.classList.remove('glyphicon-resize-small');\n      aExpandI.classList.add('glyphicon-resize-full');\n    }\n\n    if (aExpand) {\n      aExpand.classList.remove('expanded');\n      aExpand.title = conf.LANG.GROUP.PAD.EXPAND;\n    }\n\n    if (remember) {\n      cookie.set('wantExpandedPad', 'false', { expires: 365, path: conf.URLS.RAWBASE });\n    }\n  };\n\n  return expandPad;\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # FilterPads helpers functions\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module contains a function to filter pads in a folder\n*/\n\nmodule.exports = (function () {\n  // Dependencies\n\n  var filterPads = {};\n\n  /**\n  * `filter` will hide or show pads which name matches the filter\n  */\n\n  filterPads.filterKeyword = function(keyword) {\n    var pads;\n    if (typeof keyword === 'undefined' || keyword === '') {\n      pads = document.querySelectorAll('li.list-group-item.group-pad-item');\n      [].forEach.call(pads, function(element) {\n        element.classList.remove('hidden');\n      });\n    } else {\n      var rgx = new RegExp(keyword, 'i');\n      pads    = document.querySelectorAll('li.list-group-item.group-pad-item');\n      [].forEach.call(pads, function(element) {\n        if (element.getAttribute('data-padname').match(rgx)) {\n          element.classList.remove('hidden');\n        } else {\n          element.classList.add('hidden');\n        }\n      });\n    }\n  };\n\n  return filterPads;\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Form helpers functions\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module contains common functions used with forms.\n*/\n\nmodule.exports = (function () {\n  // Dependencies\n  var m = require('mithril');\n\n  var form = {};\n\n  /**\n  * ## icon\n  *\n  * `icon` is an helper that makes an classic icon by its :\n  *\n  * - `c` controller,\n  * - `name` of the field,\n  * - `info` message\n  * - `err` message\n  *\n  * It returns a vdom node.\n  */\n\n  form.icon = function (c, name, info, err) {\n    var icls = 'glyphicon mp-tooltip glyphicon-';\n    icls    += (c.valid[name]() ? 'info-sign' : 'exclamation-sign');\n    var msg  = c.valid[name]() ? info : err;\n    return m('i', {\n      class: icls,\n      'data-msg': msg\n    });\n  };\n\n  /**\n  * ## field\n  *\n  * `field` is an helper that returns the triplet of vdoms, by taking\n  *\n  * - the `c` controller,\n  * - the `name` of the field,\n  * - the `label` locale\n  *   the `icon` ready vdom\n  */\n\n  form.field = function (c, name, label, icon) {\n    return {\n      label: m('label', { for: name }, [ label, icon ]),\n      input:\n        m('input.form-control', {\n          name: name,\n          value: c.data[name]() || '',\n          oninput: form.handleField.bind(null, c)\n        }),\n      icon: icon\n    };\n  };\n\n\n  /**\n  * `initFields` takes\n  *\n  * - a controller instance\n  * - an array of field `names`\n  *\n  * It creates local data states for values of these fields and booleans values\n  * for validitation purpose.\n  */\n\n  form.initFields = function (c, names) {\n    c.data  = {};\n    c.valid = {};\n    names.forEach(function (n) {\n      c.data[n]  = m.prop();\n      c.valid[n] = m.prop(true);\n    });\n  };\n\n  /**\n  * `handleField` function takes\n  *\n  * - a `c` controller instance, used to set validity and fix value\n  * - an `extra` optional function that can be used to add another test to HTML5\n  *   validity, that takes itself `c` controller and `e` event\n  * - a DOM Event, which use HTML5 Validation API to ensure input is valid or\n  *   not.\n  */\n\n  form.handleField = function (c, extra, e) {\n    if (!e) {\n      e     = extra;\n      extra = undefined;\n    }\n    var field   = e.target.getAttribute('name');\n    var isValid = function () {\n      if (extra) {\n        return (e.target.checkValidity() && extra(c, e));\n      } else {\n        return e.target.checkValidity();\n      }\n    };\n    c.data[field](e.target.value);\n    c.valid[field](isValid());\n  };\n\n  /**\n  * `focusOnInit` is a mithril.config attribute that focus on a given `element`\n  * at first initialization.\n  */\n\n  form.focusOnInit = function (element, isInit) {\n    if (!isInit) { element.focus(); }\n  };\n\n  return form;\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Ready helpers functions\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module contains function to check if the user cache is populated\n*/\n\nmodule.exports = (function () {\n  // Dependencies\n  var m    = require('mithril');\n  var conf = require('../configuration.js');\n\n  var ready = {};\n\n  /**\n  * `checkLoop` will poll the server to know if the user cache is fully loaded\n  * It will call ready.inFrame too.\n  */\n\n  ready.checkLoop = function(element, isInitialized) {\n    if (isInitialized) { return; }\n\n    // Are we in an iFrame?\n    ready.inFrame(element, isInitialized);\n\n    // Is the user cache ready?\n    m.request({\n      method: 'GET',\n      url: conf.URLS.CACHECHECK\n    }).then(function (resp) {\n      if (resp.userCacheReady) {\n        var toHide = document.getElementById('hide-when-ready').classList;\n        var toShow = document.querySelectorAll('.show-when-ready');\n        toHide.add('hidden');\n        // Hack due to browsers that does not support forEach on nodeList\n        [].forEach.call(toShow, function(element) {\n          element.classList.remove('hidden');\n        });\n        return 'user cache ready';\n      } else {\n        setTimeout(function() {\n          return ready.checkLoop();\n        }, 500);\n      }\n    }, function (err) {\n      console.log('user cache check loop:' + err);\n      var emsg = conf.LANG.BACKEND.CONFIGURATION.LANG_PROBLEM +\n        ' (' + err + ')';\n      var notifErr = require('../widgets/notification.js').error;\n      notifErr({ body: emsg });\n      if (err) {\n        setTimeout(function() {\n          return ready.checkLoop();\n        }, 500);\n      }\n    });\n  };\n\n  /**\n  * `inFrame` checks if we are in a MyPads iFrame and reload the parent window\n  * if it's the case.\n  *\n  * Example: you're using a pad through a MyPads iFrame, the server crashes, you\n  * need to relog, but this prevents the login page to show inside the iFrame.\n  */\n  var rgx = new RegExp('/mypads');\n  ready.inFrame = function(element, isInitialized) {\n    if (isInitialized) { return; }\n\n    var windowMode     = location.href;\n    window.displaymode = windowMode;\n    //detect if we are in a iframe\n    if (window.parent.location.href.match(rgx) &&\n        (typeof(window.parent.displaymode) === 'undefined' ||\n         window.parent.displaymode !== windowMode)\n    ) {\n      window.parent.location.reload();\n    }\n  };\n\n  return ready;\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # sortingPreferences helpers functions\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module contains function to check if the user cache is populated.\n*/\n\nmodule.exports = (function () {\n  // Dependencies\n  var conf   = require('../configuration.js');\n  var cookie = require('js-cookie');\n\n  var sortingPreferences = {};\n\n  /*\n   * Default values\n   */\n  var currentValues = {\n    padByField: 'ctime',\n    padAsc: true,\n    groupByField: 'ctime',\n    groupAsc: true\n  };\n\n  /*\n   * Get values from the cookie\n   */\n  sortingPreferences.init = function() {\n    var cookieValues = cookie.get('sortingPreferences');\n    if (cookieValues) {\n      try {\n        var values = JSON.parse(cookieValues);\n        for (var key in values) {\n          if (currentValues.hasOwnProperty(key)) {\n            currentValues[key] = values[key];\n          }\n        }\n      } catch(e) {\n      }\n    }\n  };\n\n  /*\n   * Update the values and save them in the cookie\n   */\n  sortingPreferences.updateValues = function(values) {\n    for (var key in values) {\n      if (currentValues.hasOwnProperty(key)) {\n        currentValues[key] = values[key];\n      }\n    }\n    cookie.set('sortingPreferences', JSON.stringify(currentValues), { expires: 365, path: conf.URLS.RAWBASE });\n  };\n\n  /*\n   * Expose values\n   */\n  sortingPreferences.padByField = function() {\n    return currentValues.padByField;\n  };\n  sortingPreferences.padAsc = function() {\n    return currentValues.padAsc;\n  };\n  sortingPreferences.groupByField = function() {\n    return currentValues.groupByField;\n  };\n  sortingPreferences.groupAsc = function() {\n    return currentValues.groupAsc;\n  };\n\n  sortingPreferences.init();\n\n  return sortingPreferences;\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Group List module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module is the main one, containing all cached frontend data.\n*/\n\nmodule.exports = (function () {\n  'use strict';\n  // Global dependencies\n  var m      = require('mithril');\n  var ld     = require('lodash');\n  var conf   = require('../configuration.js');\n  var auth   = require('../auth.js');\n  var notif  = require('../widgets/notification.js');\n  var encode = require('js-base64').Base64.encode;\n\n  var model  = {};\n  model.init = function () {\n    ld.assign(model, {\n      groups: m.prop({}),\n      pads: m.prop({}),\n      users: m.prop([]),\n      admins: m.prop([]),\n      tags: m.prop([]),\n      bookmarks: m.prop({ groups: m.prop({}), pads: m.prop({}) }),\n      tmp: m.prop({ groups: m.prop({}), pads: m.prop({}) })\n    });\n  };\n  model.init();\n\n  /**\n  * `fetch`\n  *\n  * This function takes an optional `callback`, called with *error* or\n  * *result*. It uses the usefull group.GET API call to populate local groups,\n  * pads, users and admins objects. It also call userlist API to populate them\n  * too.\n  */\n\n  model.fetch = function (callback) {\n    var errFn = function (err) {\n      notif.error({ body: ld.result(conf.LANG, err.error) });\n      if (callback) { callback(err); }\n    };\n    var isAuth = auth.isAuthenticated();\n    var data   = (isAuth ?  { auth_token: auth.token() } : undefined);\n    m.request({\n      url: conf.URLS.GROUP,\n      method: 'GET',\n      data: data\n    }).then(\n      function (resp) {\n        model.groups(resp.value.groups); \n        model.pads(resp.value.pads);\n        model.bookmarks(resp.value.bookmarks);\n        var u                   = auth.userInfo();\n        resp.value.users[u._id] = u;\n        model.users(resp.value.users);\n        var tags = ld(resp.value.groups)\n          .values()\n          .pluck('tags')\n          .flatten()\n          .union()\n          .value();\n        model.tags(tags);\n        m.request({\n          url: conf.URLS.USERLIST,\n          method: 'GET',\n          data: data\n        }).then(function (resp) {\n          u.userlists = resp.value;\n          auth.userInfo(u);\n          if (callback) { callback(null, resp); }\n        }, errFn);\n      }, errFn);\n  };\n\n  /**\n  * ## fetchObject\n  *\n  * This function is used for unauth users or non-invited authenticated users.\n  * It calls group.GET/id API and populates local models. If group is denied\n  * and `keys.pad` is fixed, it tries access to pad only. It takes mandatory :\n  *\n  * - `keys` JS object containing `group` and optional `pad` id string\n  * - `password` string, can be set as *undefined*. If given, will be sent as\n  *   data parameter\n  * - `callback` function, called with *error* or *result*\n  */\n\n  model.fetchObject = function (keys, password, callback) {\n    var errFn = function (err) {\n      notif.error({ body: ld.result(conf.LANG, err.error) });\n      if (callback) { callback(err); }\n    };\n\n    var fetchPad = function (group) {\n      var opts = {\n        url: conf.URLS.PAD + '/' + keys.pad + '?',\n        method: 'GET'\n      };\n      if (password) { opts.url += '&password=' + encode(password); }\n      if (auth.isAuthenticated()) { opts.url += '&auth_token=' + auth.token(); }\n      m.request(opts).then(\n        function (resp) {\n          var data       = model.tmp();\n          var pads       = data.pads();\n          pads[resp.key] = resp.value;\n          data.pads(pads);\n          model.tmp(data);\n          if (callback) { callback(null, resp); }\n        }, function (err) {\n          if (err.error === 'BACKEND.ERROR.TYPE.PASSWORD_MISSING') {\n            var value      = { _id: keys.pad, visibility: 'private' };\n            var data       = model.tmp();\n            var pads       = data.pads();\n            pads[keys.pad] = value;\n            data.pads(pads);\n            model.tmp(data);\n            return callback(null, { key: keys.pad, value: value });\n          }\n          if ((err.error === 'BACKEND.ERROR.PERMISSION.UNAUTHORIZED') ||\n            (err.error === 'BACKEND.ERROR.CONFIGURATION.KEY_NOT_FOUND')) {\n            return errFn(err);\n          }\n          if (group) {\n            return callback(null, group);\n          }\n          errFn(err);\n        });\n    };\n\n    var fetchGroup = function () {\n      var opts = {\n        url: conf.URLS.GROUP + '/' + keys.group + '?',\n        method: 'GET',\n      };\n      if (password) { opts.url += '&password=' + encode(password); }\n      if (auth.isAuthenticated()) { opts.url += '&auth_token=' + auth.token(); }\n      m.request(opts).then(\n        function (resp) {\n          var data         = model.tmp();\n          var groups       = data.groups();\n          groups[resp.key] = resp.value;\n          data.groups(groups);\n          data.pads(ld.merge(data.pads(), resp.pads));\n          model.tmp(data);\n          var padPass = (!keys.pad || ld.includes(resp.pads, keys.pad));\n          if (padPass) {\n            if (callback) { callback(null, resp); }\n          } else {\n            fetchPad(resp);\n          }\n        }, function (err) {\n          if (keys.pad) { return fetchPad(); }\n          errFn(err);\n        });\n    };\n\n    fetchGroup();\n  };\n\n  return model;\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Account confirmation module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module contains the account confirmation process\n*/\n\nmodule.exports = (function () {\n  // Global dependencies\n  var m  = require('mithril');\n  var ld = require('lodash');\n\n  // Local dependencies\n  var conf  = require('../configuration.js');\n  var notif = require('../widgets/notification.js');\n\n  var account = {};\n\n  account.controller = function () {\n    var token = m.route.param('token');\n\n    m.request({\n      url: conf.URLS.ACCOUNT_CONFIRMATION,\n      method: 'POST',\n      data: { token: token }\n    }).then(function () {\n      m.route('/login');\n      notif.success({ body: conf.LANG.USER.INFO.ACCOUNT_CONFIRMATION_SUCCESS });\n    }, function (err) {\n      m.route('/login');\n      notif.error({ body: ld.result(conf.LANG, err.error) });\n    });\n  };\n\n  account.view = function () {};\n\n  return account;\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Admin logout module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module contains only admin disconnect and redirection\n*/\n\nmodule.exports = (function () {\n  // Global dependencies\n  var m  = require('mithril');\n  var ld = require('lodash');\n\n  // Local dependencies\n  var conf  = require('../configuration.js');\n  var auth  = require('../auth.js');\n  var notif = require('../widgets/notification.js');\n\n  var logout = {};\n\n  /**\n  * ## Controller\n  *\n  * Used to check if user is authorized, send login/pass and updates settings.\n  */\n\n  logout.controller = function () {\n    m.request({\n      url: conf.URLS.AUTH + '/admin/logout',\n      method: 'GET',\n      data: { auth_token: auth.admToken() }\n    }).then(function () {\n      document.title = conf.SERVER.title;\n      localStorage.removeItem('admToken');\n      notif.success({ body: conf.LANG.USER.AUTH.SUCCESS_OUT });\n      m.route('/');\n    }, function (err) {\n      notif.error({ body: ld.result(conf.LANG, err.error) });\n      m.route('/');\n    });\n  };\n\n  return logout;\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Admin Users Form creation module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module, reserved to admins, allows to edit user profile.\n*  It relies heavily on subscription module.\n*/\n\nmodule.exports = (function () {\n  // Global dependencies\n  var m  = require('mithril');\n  var ld = require('lodash');\n\n  // Local dependencies\n  var conf      = require('../configuration.js');\n  var auth      = require('../auth.js');\n  var notif     = require('../widgets/notification.js');\n  var layout    = require('./layout.js');\n  var form      = require('../helpers/form.js');\n  var subscribe = require('./subscribe.js');\n\n  var admin = {};\n\n  /**\n  * ## Controller\n  *\n  * Used to check authentication and state.\n  */\n\n  admin.controller = function () {\n    if (!auth.isAdmin()) { return m.route('/admin'); }\n    document.title = conf.LANG.ADMIN.FORM_USER_CREATE + ' - ' + conf.SERVER.title;\n\n    var c = {\n      adminView:   m.prop(false),\n      profileView: m.prop(false),\n      user:        m.prop(false)\n    };\n\n    var init = function () {\n      c.fields = ['login', 'password', 'passwordConfirm', 'email', 'firstname',\n        'lastname', 'organization', 'padNickname', 'lang', 'color', 'hideHelp'];\n      form.initFields(c, c.fields);\n      var u = c.user();\n      ld.forEach(c.fields, function (f) {\n        if (!ld.startsWith(f, 'password')) {\n          c.data[f] = m.prop(u[f]);\n        }\n      });\n      c.data.lang(conf.SERVER.defaultLanguage);\n    };\n\n    /**\n    * #### submit\n    *\n    * This function :\n    *\n    * - uses the public API to check if given `passwordCurrent` is valid;\n    * - then updates data as filled, taking care of password change with the\n    *   help of the `passwordUpdate` function;\n    * - notifies *errors* and *success*;\n    * - updates the local cache of `auth.userInfo`.\n    */\n\n    var errfn = function (err) {\n      m.route('/admin/users');\n      return notif.error({ body: ld.result(conf.LANG, err.error) });\n    };\n\n    c.submit = {\n      subscribe: function (e) {\n        e.preventDefault();\n        var pass = c.data.password();\n        if (pass && (pass !== c.data.passwordConfirm())) {\n          return notif.warning({ body: conf.LANG.USER.ERR.PASSWORD_MISMATCH });\n        }\n        m.request({\n          method: 'POST',\n          url: conf.URLS.USER,\n          data: ld.assign(c.data, { auth_token: auth.admToken() })\n        }).then(function () {\n          notif.success({ body: conf.LANG.ADMIN.SUBSCRIBE_SUCCESS });\n          m.route('/admin/users');\n        }, errfn);\n      }\n    };\n\n    init();\n\n    return c;\n  };\n\n  /**\n  * ## Views\n  */\n\n  var view = {};\n\n  view.main = function (c) {\n    var elements = [\n      m('h2', conf.LANG.ADMIN.FORM_USER_CREATE),\n      subscribe.views.form(c)\n    ];\n    return m('section', { class: 'user' }, elements);\n  };\n\n  view.aside = function () {\n    return m('section.user-aside', [\n      m('h2', conf.LANG.ACTIONS.HELP),\n      m('article.well', m.trust(conf.LANG.ADMIN.HELP_USER_CREATE))\n    ]);\n  };\n\n  admin.view = function (c) {\n    return layout.view(\n      view.main(c),\n      view.aside()\n    );\n  };\n\n  return admin;\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Admin Users Form edition module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module, reserved to admins, allows to edit user profile.\n*  It relies heavily on subscription module.\n*/\n\nmodule.exports = (function () {\n  // Global dependencies\n  var m  = require('mithril');\n  var ld = require('lodash');\n\n  // Local dependencies\n  var conf      = require('../configuration.js');\n  var auth      = require('../auth.js');\n  var notif     = require('../widgets/notification.js');\n  var layout    = require('./layout.js');\n  var form      = require('../helpers/form.js');\n  var subscribe = require('./subscribe.js');\n\n  var admin = {};\n\n  /**\n  * ## Controller\n  *\n  * Used to check authentication and state.\n  */\n\n  admin.controller = function () {\n    if (!auth.isAdmin()) { return m.route('/admin'); }\n    document.title = conf.LANG.ADMIN.FORM_USER_EDIT + ' - ' + conf.SERVER.title;\n\n    var c = {\n      adminView: m.prop(true),\n      profileView: m.prop(false),\n      user: m.prop(false)\n    };\n\n    var init = function () {\n      c.fields = ['login', 'password', 'passwordConfirm', 'email', 'firstname',\n        'lastname', 'organization', 'padNickname', 'lang', 'color', 'hideHelp'];\n      form.initFields(c, c.fields);\n      var u = c.user();\n      ld.forEach(c.fields, function (f) {\n        if (!ld.startsWith(f, 'password')) {\n          c.data[f] = m.prop(u[f]);\n        }\n      });\n    };\n\n    /**\n    * #### submit\n    *\n    * This function :\n    *\n    * - uses the public API to check if given `passwordCurrent` is valid;\n    * - then updates data as filled, taking care of password change with the\n    *   help of the `passwordUpdate` function;\n    * - notifies *errors* and *success*;\n    * - updates the local cache of `auth.userInfo`.\n    */\n\n    var errfn = function (err) {\n      m.route('/admin/users');\n      return notif.error({ body: ld.result(conf.LANG, err.error) });\n    };\n\n    c.submit = {\n      profileSave: function (e) {\n        e.preventDefault();\n        var pass = c.data.password();\n        if (pass && (pass !== c.data.passwordConfirm())) {\n          return notif.warning({ body: conf.LANG.USER.ERR.PASSWORD_MISMATCH });\n        }\n        m.request({\n          method: 'PUT',\n          url: conf.URLS.USER + '/' + c.data.login(),\n          data: ld.assign(c.data, { auth_token: auth.admToken() })\n        }).then(function (resp) {\n          auth.userInfo(resp.value);\n          notif.success({ body: conf.LANG.USER.AUTH.PROFILE_SUCCESS });\n        }, errfn);\n      }\n    };\n\n    m.request({\n      method: 'GET',\n      url: conf.URLS.USER + '/' + m.route.param('login'),\n      data: { auth_token: auth.admToken() }\n    }).then(function (resp) {\n      c.user(resp.value);\n      init();\n    }, errfn);\n\n    return c;\n  };\n\n  /**\n  * ## Views\n  */\n\n  var view = {};\n\n  view.main = function (c) {\n    var elements = [\n      m('h2', conf.LANG.ADMIN.FORM_USER_EDIT + ' ' + c.user().login),\n      subscribe.views.form(c)\n    ];\n    return m('section', { class: 'user' }, elements);\n  };\n\n  view.aside = function () {\n    return m('section.user-aside', [\n      m('h2', conf.LANG.ACTIONS.HELP),\n      m('article.well', m.trust(conf.LANG.ADMIN.HELP_USER_EDIT))\n    ]);\n  };\n\n  admin.view = function (c) {\n    return layout.view(\n      view.main(c),\n      view.aside()\n    );\n  };\n\n  return admin;\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Admin user remove module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module contains only admin user removal\n*/\n\nmodule.exports = (function () {\n  // Global dependencies\n  var m  = require('mithril');\n  var ld = require('lodash');\n\n  // Local dependencies\n  var conf  = require('../configuration.js');\n  var auth  = require('../auth.js');\n  var notif = require('../widgets/notification.js');\n\n  var remove = {};\n\n  /**\n  * ## Controller\n  *\n  * This controller informs the admin about that no return will be possible and\n  * removes the user and its groupds and pads, server-side.\n  */\n\n  remove.controller = function () {\n    if (!auth.isAdmin()) { return m.route('/admin'); }\n    var login = m.route.param('login');\n    m.route('/admin/users');\n    if (window.confirm(conf.LANG.ADMIN.INFO.USER_REMOVE_SURE)) {\n      m.request({\n        method: 'DELETE',\n        url: conf.URLS.USER + '/' + login,\n        data: { auth_token: auth.admToken() }\n      }).then(function () {\n        notif.success({\n          body: conf.LANG.USER.INFO.REMOVE_ACCOUNT_SUCCESS\n        });\n      }, function (err) {\n        notif.error({ body: ld.result(conf.LANG, err.error) });\n      });\n    }\n  };\n\n  return remove;\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Admin Users Management module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module, reserved to admins, contains research for users, creation,\n*  edition and removal.\n*/\n\nmodule.exports = (function () {\n  // Global dependencies\n  var m  = require('mithril');\n  var ld = require('lodash');\n\n  // Local dependencies\n  var conf   = require('../configuration.js');\n  var auth   = require('../auth.js');\n  var notif  = require('../widgets/notification.js');\n  var layout = require('./layout.js');\n  var user   = require('./user.js');\n  var form   = require('../helpers/form.js');\n\n  var admin = {};\n\n  /**\n  * ## Controller\n  *\n  * Used to check authentication and state.\n  */\n\n  admin.controller = function () {\n    if (!auth.isAdmin()) { return m.route('/admin'); }\n    document.title = conf.LANG.ADMIN.FORM_USERS_SEARCH + ' - ' +\n      conf.SERVER.title;\n\n    var c = { user: m.prop(null), users: m.prop(false), usersCount: m.prop(false) };\n\n    c.fields = ['login'];\n    form.initFields(c, c.fields);\n\n    /**\n    * ### search\n    *\n    * `search` async function uses user.get API to retrieve user information.\n    * It caches response to local controller property.\n    */\n\n    c.search = function (e) {\n      e.preventDefault();\n      c.users(false);\n      c.usersCount(false);\n      m.request({\n        method: 'GET',\n        url: conf.URLS.SEARCH_USERS + '/' + c.data.login(),\n        data: { auth_token: auth.admToken() }\n      }).then(function (resp) {\n        c.users(resp.users);\n        c.usersCount(resp.usersCount);\n        notif.info({ body: conf.LANG.ADMIN.INFO.USER_FOUND });\n      }, function (err) {\n        c.users(false);\n        c.usersCount(false);\n        notif.error({ body: ld.result(conf.LANG, err.error) });\n      });\n    };\n\n    c.loadAllUsers = function (e) {\n      e.preventDefault();\n      c.user(null);\n      c.data.login(null);\n      m.request({\n        method: 'GET',\n        url: conf.URLS.ALL_USERS,\n        data: { auth_token: auth.admToken() }\n      }).then(function (resp) {\n        c.users(resp.users);\n        c.usersCount(resp.usersCount);\n        notif.info({ body: conf.LANG.ADMIN.INFO.USER_FOUND });\n      }, function (err) {\n        c.users(false);\n        c.usersCount(false);\n        notif.error({ body: ld.result(conf.LANG, err.error) });\n      });\n    };\n\n    return c;\n  };\n\n  /**\n  * ## Views\n  */\n\n  var view = {};\n\n  view.form = function (c) {\n    var login                    = user.view.field.login(c);\n    login.input.attrs.config     = form.focusOnInit;\n    login.icon.attrs['data-msg'] = conf.LANG.ADMIN.INFO.USERS_SEARCH_LOGIN;\n    var tab = [\n      m('fieldset.block-group', [\n        m('legend', conf.LANG.ADMIN.USERS_SEARCH_LOGIN),\n        m('div.form-group', [ login.label, login.input ])\n      ]),\n      view.user(c),\n      view.users(c),\n      m('input.block.send', {\n        form: 'users-form',\n        type: 'submit',\n        class: 'btn btn-default',\n        value: conf.LANG.ADMIN.FIELD.SEARCH\n      }),\n      m('span', ' '),\n      m('button.btn.btn-info', {\n        onclick: c.loadAllUsers\n      }, conf.LANG.ADMIN.FIELD.SHOW_ALL_USERS)\n    ];\n    if (conf.SERVER.authMethod === 'internal') {\n      tab.push(\n        m('span', ' '),\n        m('a.btn.btn-info', {\n          href: '/admin/users/create',\n          config: m.route,\n        }, conf.LANG.ADMIN.FIELD.CREATE_USER)\n      );\n    }\n    return m('form.block', {\n      id: 'users-form',\n      onsubmit: c.search\n    }, tab);\n  };\n\n  view.user = function (c) {\n    var u = c.user();\n    if (u !== null) {\n      if (!u) {\n        return m('p.admin-users', conf.LANG.ADMIN.INFO.USER_NONE);\n      } else {\n        var route   = '/admin/users';\n        var actions = [\n          m('a', {\n            href: route + '/' + u.login + '/edit',\n            config: m.route,\n            title: conf.LANG.GROUP.EDIT\n          }, [ m('i.glyphicon glyphicon-pencil') ]),\n          m('a', {\n            href: route + '/' + u.login + '/remove',\n            config: m.route,\n            title: conf.LANG.GROUP.REMOVE,\n          }, [ m('i.glyphicon glyphicon-trash') ])\n        ];\n        var name = u.login;\n        if (u.firstname || u.lastname) {\n          name = [name, '(', u.firstname, u.lastname, ' - ', u.email, ')'].join(' ');\n        } else {\n          name = [name, '(', u.email, ')'].join(' ');\n        }\n        return m('ul.admin-users', [\n          m('li.block-group', [\n            m('span.block.actions', actions),\n            ' ',\n            m('span.block.name', name)\n          ])\n        ]);\n      }\n    }\n  };\n\n  view.users = function (c) {\n    var u = c.users();\n    if (u) {\n      var route = '/admin/users';\n      var items = [];\n      ld.forEach(ld.sortBy(ld.keys(u)), function (login) {\n        var n       = u[login];\n        var actions = [\n          m('a', {\n            href: route + '/' + login + '/edit',\n            config: m.route,\n            title: conf.LANG.GROUP.EDIT\n          }, [ m('i.glyphicon glyphicon-pencil') ]),\n          m('a', {\n            href: route + '/' + login + '/remove',\n            config: m.route,\n            title: conf.LANG.GROUP.REMOVE,\n          }, [ m('i.glyphicon glyphicon-trash') ])\n        ];\n        var name = login;\n        if (n.firstname || n.lastname) {\n          name = [name, '(', n.firstname, n.lastname, ' - ', n.email, ')'].join(' ');\n        } else {\n          name = [name, '(', n.email, ')'].join(' ');\n        }\n        items.push(m('li.block-group', [\n          m('span.block.actions', actions),\n          ' ',\n          m('span.block.name', name)\n        ]));\n      });\n      return m('div', [\n        m('b', [ conf.LANG.ADMIN.USERS_COUNT+' ', c.usersCount() ]),\n        m('ul.admin-users', items)\n      ]);\n    }\n  };\n\n  view.main = function (c) {\n    var elements = [ m('h2.block', conf.LANG.ADMIN.FORM_USERS_SEARCH),\n      view.form(c) ];\n    return m('section', { class: 'block-group user admin' }, elements);\n  };\n\n  view.aside = function () {\n    return m('section.user-aside', [\n      m('h2', conf.LANG.ACTIONS.HELP),\n      m('article', m.trust(conf.LANG.ADMIN.HELP_USERS))\n    ]);\n  };\n\n  admin.view = function (c) {\n    return layout.view(view.main(c), view.aside(c));\n  };\n\n  return admin;\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Admin module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module contains global administration and settings for authorized\n*  users.\n*/\n\nmodule.exports = (function () {\n  // Global dependencies\n  var m        = require('mithril');\n  var ld       = require('lodash');\n  var beautify = require('json-beautify');\n\n  // Local dependencies\n  var conf   = require('../configuration.js');\n  var auth   = require('../auth.js');\n  var notif  = require('../widgets/notification.js');\n  var layout = require('./layout.js');\n  var user   = require('./user.js');\n  var form   = require('../helpers/form.js');\n\n  var admin = {};\n\n  /**\n  * ## Controller\n  *\n  * Used to check if user is authorized, send login/pass and updates settings.\n  * Logout from classical MyPads user account to avoid menu conflicts.\n  */\n\n  admin.controller = function () {\n    document.title = conf.LANG.ADMIN.FORM_LOGIN + ' - ' + conf.SERVER.title;\n    var c          = {};\n    localStorage.removeItem('token');\n    form.initFields(c, ['login', 'password']);\n    var init = function (resp) {\n      if (resp) { localStorage.setItem('admToken', resp.token); }\n      m.request({\n        url: conf.URLS.CONF,\n        method: 'GET',\n        data: { auth_token: auth.admToken() }\n      }).then(function (resp) {\n        if (!resp.auth) { return localStorage.removeItem('admToken'); }\n        form.initFields(c, ['title', 'rootUrl', 'allowEtherPads',\n          'passwordMin', 'passwordMax', 'defaultLanguage', 'checkMails',\n          'tokenDuration', 'SMTPHost', 'SMTPPort', 'SMTPSSL', 'SMTPTLS',\n          'SMTPUser', 'SMTPPass', 'SMTPEmailFrom', 'HTMLExtraHead',\n          'openRegistration', 'hideHelpBlocks', 'useFirstLastNameInPads',\n          'insensitiveMailMatch', 'authMethod', 'authLdapSettings',\n          'authCasSettings', 'allPadsPublicsAuthentifiedOnly',\n          'deleteJobQueue', 'loginMsg',\n          'trustProxy'\n        ]);\n        c.currentConf = resp.value;\n        ld.forIn(resp.value, function (v, k) {\n          c.data[k] = m.prop(v);\n        });\n        if (c.data.rootUrl().length === 0 && !c.data.trustProxy()) {\n          var l = window.location;\n          c.data.rootUrl(l.protocol + '//' + l.host);\n        }\n        var propInt = function (val) {\n          val = val || 0;\n          return function (v) {\n            if (v !== undefined) { val = parseInt(v, 10); }\n            return val;\n          };\n        };\n        c.data.passwordMin        = propInt(c.data.passwordMin());\n        c.data.passwordMax        = propInt(c.data.passwordMax());\n        c.data.passwordMin.toJSON = function () {\n          return c.data.passwordMin();\n        };\n        c.data.passwordMax.toJSON = function () {\n          return c.data.passwordMax();\n        };\n        document.title = conf.LANG.ADMIN.FORM_SETTINGS + ' - ' +\n          conf.SERVER.title;\n        notif.success({ body: conf.LANG.USER.AUTH.SUCCESS });\n      }, function (err) {\n        notif.error({ body: ld.result(conf.LANG, err.error) });\n      });\n    };\n    if (auth.isAdmin()) { init(); }\n\n    /**\n    * ### login\n    *\n    * `login` is an asynchronous function that is called after admin login\n    * attempt. It uses API admin login with m.request.\n    *\n    * It uses crafted credentials to log with basic auth to etherpad\n    * instance. If it's a success, settings page will be set up, taking care of\n    * integer fields like `passwordMin`.\n    */\n\n    c.login = function (e) {\n      e.preventDefault();\n      m.request({\n        url: conf.URLS.AUTH + '/admin/login',\n        method: 'POST',\n        data: c.data\n      }).then(init, function (err) {\n        notif.error({ body: ld.result(conf.LANG, err.error) });\n      });\n    };\n\n    /**\n    * ### submit\n    *\n    * `submit` asynchronous function checks if passwords size are correct and\n    * what settings have changed. If there are new settings, they will be\n    * updated through the API, using a recursive call.\n    */\n\n    c.submit = function (e) {\n      e.preventDefault();\n      if(c.data.passwordMin() > c.data.passwordMax()) {\n        notif.warning({ body: conf.LANG.ADMIN.ERR.PASSWORD_SIZE });\n        document.querySelector('input[name=\"passwordMin\"]').focus();\n      } else {\n        var newConf = ld.reduce(c.data, function (memo,v, k) {\n          if (v() !== c.currentConf[k]) { memo[k] = v; }\n          return memo;\n        }, {});\n        var pairs = ld.pairs(newConf);\n        var _set  = function (pair) {\n          m.request({\n            method: 'PUT',\n            url: conf.URLS.CONF + '/' + pair[0],\n            data: { value: pair[1](), auth_token: auth.admToken() }\n          }).then(function (resp) {\n            if (pairs.length > 0) {\n              _set(pairs.pop());\n            } else {\n              c.currentConf[resp.key] = resp.value;\n              conf.SERVER[resp.key]   = resp.value;\n              notif.success({ body: conf.LANG.ADMIN.INFO.SUCCESS });\n            }\n          }, function (err) {\n            notif.error({ body: ld.result(conf.LANG, err.error) });\n          });\n        };\n        if (pairs.length > 0) {\n          _set(pairs.pop());\n        } else {\n          notif.info({ body: conf.LANG.ADMIN.INFO.NOCHANGE });\n        }\n      }\n    };\n\n    return c;\n  };\n\n  /**\n  * ## Views\n  */\n\n  var view = {};\n\n  /**\n  * ### form\n  *\n  * For admin login. Reuses login and password components from user login but\n  * overwrites some attributes.\n  */\n\n  view.form = function (c) {\n    var login                       = user.view.field.login(c);\n    login.input.attrs.config        = form.focusOnInit;\n    login.icon.attrs['data-msg']    = conf.LANG.ADMIN.INFO.LOGIN;\n    var password                    = user.view.field.password(c);\n    password.icon.attrs['data-msg'] = conf.LANG.USER.PASSWORD;\n    delete password.input.attrs.pattern;\n    delete password.input.attrs.minlength;\n    delete password.input.attrs.maxlength;\n    login.label.attrs.class    = 'col-sm-4';\n    password.label.attrs.class = 'col-sm-4';\n    return m('form.form-horizontal.col-sm-8.col-sm-offset-2.well', {\n      id: 'login-form', onsubmit: c.login }, [\n      m('fieldset', [\n        m('legend', conf.LANG.ADMIN.ETHERPAD_ACCOUNT),\n        m('.form-group', [\n          login.label,\n          m('.col-sm-7', login.input)\n        ]),\n        m('.form-group', [\n          password.label,\n          m('.col-sm-7', password.input)\n        ]),\n        m('input.btn.btn-success.pull-right', {\n          form: 'login-form',\n          type: 'submit',\n          value: conf.LANG.USER.LOGIN\n        })\n      ]),\n    ]);\n  };\n\n  /**\n  * ### settings\n  *\n  * View for admins : change default MyPads parameters as needed.\n  */\n\n  view.settings = function (c) {\n    var A = conf.LANG.ADMIN;\n    var f = {\n      title: (function () {\n        var icon = form.icon(c, 'title', A.INFO.TITLE, A.ERR.TITLE);\n        var f    = form.field(c, 'title', A.FIELD.TITLE, icon);\n        ld.assign(f.input.attrs, { required: true });\n        return f;\n      })(),\n      rootUrl: (function () {\n        var icon = form.icon(c, 'rootUrl', A.INFO.ROOTURL, A.ERR.ROOTURL);\n        var f    = form.field(c, 'rootUrl', A.FIELD.ROOTURL, icon);\n        ld.assign(f.input.attrs, { type: 'url' });\n        return f;\n      })(),\n      trustProxy: (function () {\n        var icon = form.icon(c, 'trustProxy', A.INFO.TRUST_PROXY);\n        var opts = {\n          name: 'trustProxy',\n        };\n        if (c.data.trustProxy) {\n          opts.checked = 'checked';\n        }\n        var f = m('input[type=\"checkbox\"]', opts);\n        ld.assign(f.attrs, {\n          type: 'checkbox',\n          checked: c.data.trustProxy(),\n          onchange: m.withAttr('checked', c.data.trustProxy)\n        });\n        var l = m('label', [f, A.FIELD.TRUST_PROXY, icon]);\n        return l;\n      })(),\n      HTMLExtraHead: (function () {\n        var label = m('label', { for: 'HTMLExtraHead' },\n          conf.LANG.ADMIN.FIELD.HTMLEXTRA_HEAD);\n        var icon  = m('i', {\n          class: 'mp-tooltip glyphicon glyphicon-info-sign',\n          'data-msg': conf.LANG.ADMIN.INFO.HTMLEXTRA_HEAD\n        });\n        var textarea = m('textarea.form-control', {\n          name: 'HTMLExtraHead',\n          class: 'monospace',\n          value: c.data.HTMLExtraHead(),\n          onchange: m.withAttr('value', c.data.HTMLExtraHead)\n        }, c.data.HTMLExtraHead());\n        return { label: label, icon: icon, textarea: textarea };\n      })(),\n      loginMsg: (function () {\n        var label = m('label', { for: 'loginMsg' },\n          A.FIELD.LOGIN_MSG);\n        var icon  = m('i', {\n          class: 'mp-tooltip glyphicon glyphicon-info-sign',\n          'data-msg': A.INFO.LOGIN_MSG\n        });\n        var msg = c.data.loginMsg();\n        delete msg.attrs;\n        var textarea = m('textarea.form-control', {\n          name: 'loginMsg',\n          rows: 10,\n          class: 'monospace',\n          value: beautify(msg, null, 4),\n          onchange: m.withAttr('value', function(value) {\n            try {\n              value = JSON.parse(value);\n              c.data.loginMsg(value);\n            } catch (e) {\n              notif.error({ body: conf.LANG.ADMIN.ERR.PARSE_LOGIN_MSG });\n            }\n          })\n        }, c.data.loginMsg());\n        return { label: label, icon: icon, textarea: textarea };\n      })(),\n      passwordMin: (function () {\n        var icon = form.icon(c, 'passwordMin', A.INFO.PASSWORD_MIN,\n          A.ERR.PASSWORD_MIN);\n        var f    = form.field(c, 'passwordMin', A.FIELD.PASSWORD_MIN, icon);\n        ld.assign(f.input.attrs, {\n          type: 'number',\n          min: '1',\n          required: true\n        });\n        return f;\n      })(),\n      passwordMax: (function () {\n        var icon = form.icon(c, 'passwordMax', A.INFO.PASSWORD_MAX,\n          A.ERR.PASSWORD_MAX);\n        var f    = form.field(c, 'passwordMax', A.FIELD.PASSWORD_MAX, icon);\n        ld.assign(f.input.attrs, {\n          type: 'number',\n          min: '1',\n          required: true\n        });\n        return f;\n      })(),\n      defaultLanguage: (function () {\n        var icon = m('i', {\n          class: 'mp-tooltip glyphicon glyphicon-info-sign',\n          'data-msg': conf.LANG.ADMIN.INFO.LANGUAGE_DEFAULT\n        });\n        var label = m('label', { for: 'defaultLanguage' }, [\n          conf.LANG.ADMIN.FIELD.LANGUAGE_DEFAULT,\n          icon\n        ]);\n        var select = m('select.form-control', {\n          name: 'defaultLanguage',\n          required: true,\n          value: c.data.defaultLanguage(),\n          onchange: m.withAttr('value', c.data.defaultLanguage)\n        }, ld.reduce(conf.SERVER.languages, function (memo, v, k) {\n          memo.push(m('option', { value: k }, v));\n          return memo;\n          }, [])\n        );\n        return { label: label, icon: icon, select: select };\n      })(),\n      allowEtherPads: (function () {\n        var icon = form.icon(c, 'allowEtherPads', A.INFO.ALLOW_ETHERPADS);\n        var opts = {\n          name: 'allowEtherPads',\n        };\n        if (c.data.allowEtherPads) {\n          opts.checked = 'checked';\n        }\n        var f = m('input[type=\"checkbox\"]', opts);\n        ld.assign(f.attrs, {\n          type: 'checkbox',\n          checked: c.data.allowEtherPads(),\n          onchange: m.withAttr('checked', c.data.allowEtherPads)\n        });\n        var l = m('label', [ f, A.FIELD.ALLOW_ETHERPADS, icon ]);\n        return l;\n      })(),\n      hideHelpBlocks: (function () {\n        var icon = form.icon(c, 'hideHelpBlocks', A.INFO.HIDE_HELP_BLOCKS);\n        var opts = {\n          name: 'hideHelpBlocks',\n        };\n        if (c.data.hideHelpBlocks) {\n          opts.checked = 'checked';\n        }\n        var f = m('input[type=\"checkbox\"]', opts);\n        ld.assign(f.attrs, {\n          type: 'checkbox',\n          checked: c.data.hideHelpBlocks(),\n          onchange: m.withAttr('checked', c.data.hideHelpBlocks)\n        });\n        var l = m('label', [ f, A.FIELD.HIDE_HELP_BLOCKS, icon ]);\n        return l;\n      })(),\n      useFirstLastNameInPads: (function () {\n        var icon = form.icon(c, 'useFirstLastNameInPads', A.INFO.USE_FIRST_AND_LAST_NAME_IN_PADS);\n        var opts = {\n          name: 'useFirstLastNameInPads',\n        };\n        if (c.data.useFirstLastNameInPads) {\n          opts.checked = 'checked';\n        }\n        var f = m('input[type=\"checkbox\"]', opts);\n        ld.assign(f.attrs, {\n          type: 'checkbox',\n          checked: c.data.useFirstLastNameInPads(),\n          onchange: m.withAttr('checked', c.data.useFirstLastNameInPads)\n        });\n        var l = m('label', [ f, A.FIELD.USE_FIRST_AND_LAST_NAME_IN_PADS, icon ]);\n        return l;\n      })(),\n      insensitiveMailMatch: (function () {\n        var icon = form.icon(c, 'insensitiveMailMatch', A.INFO.INSENSITIVE_MAIL_MATCH);\n        var opts = {\n          name: 'insensitiveMailMatch',\n        };\n        if (c.data.insensitiveMailMatch) {\n          opts.checked = 'checked';\n        }\n        var f = m('input[type=\"checkbox\"]', opts);\n        ld.assign(f.attrs, {\n          type: 'checkbox',\n          checked: c.data.insensitiveMailMatch(),\n          onchange: m.withAttr('checked', c.data.insensitiveMailMatch)\n        });\n        var l = m('label', [ f, A.FIELD.INSENSITIVE_MAIL_MATCH, icon ]);\n        return l;\n      })(),\n      allPadsPublicsAuthentifiedOnly: (function () {\n        var icon = form.icon(c, 'allPadsPublicsAuthentifiedOnly', A.INFO.ALL_PADS_PUBLICS_AUTHENTIFIED_ONLY);\n        var opts = {\n          name: 'allPadsPublicsAuthentifiedOnly',\n        };\n        if (c.data.allPadsPublicsAuthentifiedOnly) {\n          opts.checked = 'checked';\n        }\n        var f = m('input[type=\"checkbox\"]', opts);\n        ld.assign(f.attrs, {\n          type: 'checkbox',\n          checked: c.data.allPadsPublicsAuthentifiedOnly(),\n          onchange: m.withAttr('checked', c.data.allPadsPublicsAuthentifiedOnly)\n        });\n        var l = m('label', [ f, A.FIELD.ALL_PADS_PUBLICS_AUTHENTIFIED_ONLY, icon ]);\n        return l;\n      })(),\n      deleteJobQueue: (function () {\n        var icon = form.icon(c, 'deleteJobQueue', A.INFO.DELETE_JOB_QUEUE);\n        var opts = {\n          name: 'deleteJobQueue',\n        };\n        if (c.data.deleteJobQueue) {\n          opts.checked = 'checked';\n        }\n        var f = m('input[type=\"checkbox\"]', opts);\n        ld.assign(f.attrs, {\n          type: 'checkbox',\n          checked: c.data.deleteJobQueue(),\n          onchange: m.withAttr('checked', c.data.deleteJobQueue)\n        });\n        var l = m('label', [ f, A.FIELD.DELETE_JOB_QUEUE, icon ]);\n        return l;\n      })(),\n      openRegistration: (function () {\n        var icon = form.icon(c, 'openRegistration', A.INFO.OPEN_REGISTRATION);\n        var opts = {\n          name: 'openRegistration',\n        };\n        if (c.data.openRegistration) {\n          opts.checked = 'checked';\n        }\n        var f = m('input[type=\"checkbox\"]', opts);\n        ld.assign(f.attrs, {\n          type: 'checkbox',\n          checked: c.data.openRegistration(),\n          onchange: m.withAttr('checked', c.data.openRegistration)\n        });\n        var lopts = {};\n        if (c.data.authMethod() !== 'internal') {\n          lopts.class = 'hidden';\n        }\n        var l = m('label', lopts, [ f, A.FIELD.OPEN_REGISTRATION, icon ]);\n        return l;\n      })(),\n      authMethod: (function() {\n        var icon = m('i', {\n          class: 'mp-tooltip glyphicon glyphicon-info-sign',\n          'data-msg': A.INFO.AUTHENTICATION_METHOD\n        });\n        var label = m('label', { for: 'defaultLanguage' }, [\n          A.FIELD.AUTHENTICATION_METHOD,\n          icon\n        ]);\n        var select = m('select.form-control', {\n          name: 'authMethod',\n          required: true,\n          value: c.data.authMethod(),\n          onchange: m.withAttr('value', c.data.authMethod)\n        }, ld.reduce(c.data.availableAuthMethods(), function (memo, v) {\n          memo.push(m('option', { value: v }, A.FIELD.AUTH_METHODS[v]));\n          return memo;\n          }, [])\n        );\n        return { label: label, icon: icon, select: select };\n      })(),\n      authLdapSettings: (function () {\n        var label = m('label', { for: 'authLdapSettings' },\n          A.FIELD.AUTH_LDAP_SETTINGS);\n        var help         = m.trust('<p>' + A.INFO.AUTH_LDAP_SETTINGS + '</p>');\n        var ldapSettings = c.data.authLdapSettings();\n        delete ldapSettings.attrs;\n        var textarea = m('textarea.form-control', {\n          name: 'authLdapSettings',\n          rows: 18,\n          class: 'monospace',\n          value: beautify(ldapSettings, null, 4),\n          onchange: m.withAttr('value', function(value) {\n            try {\n              value = JSON.parse(value);\n              c.data.authLdapSettings(value);\n            } catch (e) {\n              notif.error({ body: conf.LANG.ADMIN.ERR.PARSE_LDAP });\n            }\n          })\n        }, c.data.authLdapSettings());\n        return { label: label, help: help, textarea: textarea };\n      })(),\n      authCasSettings: (function () {\n        var label = m('label', { for: 'authCasSettings' },\n          A.FIELD.AUTH_CAS_SETTINGS);\n        var help        = m.trust('<p>' + A.INFO.AUTH_CAS_SETTINGS + '</p>');\n        var casSettings = c.data.authCasSettings();\n        delete casSettings.attrs;\n        var textarea = m('textarea.form-control', {\n          name: 'authCasSettings',\n          rows: 18,\n          class: 'monospace',\n          value: beautify(casSettings, null, 4),\n          onchange: m.withAttr('value', function(value) {\n            try {\n              value = JSON.parse(value);\n              c.data.authCasSettings(value);\n            } catch (e) {\n              notif.error({ body: conf.LANG.ADMIN.ERR.PARSE_CAS });\n            }\n          })\n        }, c.data.authCasSettings());\n        return { label: label, help: help, textarea: textarea };\n      })(),\n      checkMails: (function () {\n        var icon = form.icon(c, 'checkMails', A.INFO.CHECKMAILS);\n        var opts = {\n          name: 'checkMails',\n        };\n        if (c.data.checkMails) {\n          opts.checked = 'checked';\n        }\n        var f = m('input[type=\"checkbox\"]', opts);\n        ld.assign(f.attrs, {\n          type: 'checkbox',\n          checked: c.data.checkMails(),\n          onchange: m.withAttr('checked', c.data.checkMails)\n        });\n        var l = m('label', [ f, A.FIELD.CHECKMAILS, icon ]);\n        return l;\n      })(),\n      tokenDuration: (function () {\n        var icon = form.icon(c, 'tokenDuration', A.INFO.TOKEN_DURATION);\n        var f    = form.field(c, 'tokenDuration', A.FIELD.TOKEN_DURATION, icon);\n        ld.assign(f.label.attrs, { style: 'clear: left;' });\n        ld.assign(f.input.attrs, { type: 'number' });\n        return f;\n      })(),\n      SMTPHost: (function () {\n        var icon = form.icon(c, 'SMTPHost', A.INFO.SMTP_HOST);\n        return form.field(c, 'SMTPHost', A.FIELD.SMTP_HOST, icon);\n      })(),\n      SMTPPort: (function () {\n        var icon = form.icon(c, 'SMTPPort', A.INFO.SMTP_PORT);\n        var f    = form.field(c, 'SMTPPort', A.FIELD.SMTP_PORT, icon);\n        ld.assign(f.input.attrs, { type: 'number', min: 1 });\n        return f;\n      })(),\n      SMTPSSL: (function () {\n        var icon = form.icon(c, 'SMTPSSL', A.INFO.SMTP_SSL);\n        var opts = {\n          name: 'SMTPSSL',\n        };\n        if (c.data.SMTPSSL) {\n          opts.checked = 'checked';\n        }\n        var f = m('input[type=\"checkbox\"]', opts);\n        ld.assign(f.attrs, {\n          type: 'checkbox',\n          checked: c.data.SMTPSSL(),\n          onchange: m.withAttr('checked', c.data.SMTPSSL)\n        });\n        var l = m('label', [ f, A.FIELD.SMTP_SSL, icon ]);\n        return l;\n      })(),\n      SMTPTLS: (function () {\n        var icon = form.icon(c, 'SMTPTLS', A.INFO.SMTP_TLS);\n        var opts = {\n          name: 'SMTPTLS',\n        };\n        if (c.data.SMTPTLS) {\n          opts.checked = 'checked';\n        }\n        var f = m('input[type=\"checkbox\"]', opts);\n        ld.assign(f.attrs, {\n          type: 'checkbox',\n          checked: c.data.SMTPTLS(),\n          onchange: m.withAttr('checked', c.data.SMTPTLS)\n        });\n        var l = m('label', [ f, A.FIELD.SMTP_TLS, icon ]);\n        return l;\n      })(),\n      SMTPUser: (function () {\n        var icon = form.icon(c, 'SMTPUser', A.INFO.SMTP_USER);\n        var f    = form.field(c, 'SMTPUser', A.FIELD.SMTP_USER, icon);\n        ld.assign(f.label.attrs, { style: 'clear: left;' });\n        return f;\n      })(),\n      SMTPPass: (function () {\n        var icon = form.icon(c, 'SMTPPass', A.INFO.SMTP_PASS);\n        var f    = form.field(c, 'SMTPPass', A.FIELD.SMTP_PASS, icon);\n        ld.assign(f.input.attrs, { type: 'password' });\n        return f;\n      })(),\n      SMTPEmailFrom: (function () {\n        var icon = form.icon(c, 'SMTPEmailFrom', A.INFO.SMTP_EMAILFROM,\n          A.ERR.SMTP_EMAILFROM);\n        var f = form.field(c, 'SMTPEmailFrom', A.FIELD.SMTP_EMAILFROM, icon);\n        ld.assign(f.input.attrs, { type: 'email' });\n        return f;\n      })()\n    };\n    return m('form', {\n      id: 'settings-form',\n      onsubmit: c.submit\n    }, [\n      m('fieldset', [\n        m('legend', conf.LANG.ADMIN.SETTINGS_GENERAL),\n        m('div', [\n          m('div.form-group', [ f.title.label, f.title.input ]),\n          m('div.form-group', [ f.rootUrl.label, f.rootUrl.input ]),\n          m('div.checkbox',   [ f.trustProxy ]),\n          m('div.form-group', [ f.defaultLanguage.label, f.defaultLanguage.select ]),\n          m('div.checkbox',   [ f.allowEtherPads ]),\n          m('div.checkbox',   [ f.hideHelpBlocks ]),\n          m('div.checkbox',   [ f.useFirstLastNameInPads ]),\n          m('div.checkbox',   [ f.insensitiveMailMatch ]),\n          m('div.checkbox',   [ f.allPadsPublicsAuthentifiedOnly ]),\n          m('div.checkbox',   [ f.deleteJobQueue ]),\n          m('div.form-group', [ f.HTMLExtraHead.label, f.HTMLExtraHead.icon, f.HTMLExtraHead.textarea ]),\n          m('div.form-group', [ f.loginMsg.label, f.loginMsg.icon, f.loginMsg.textarea ])\n        ])\n      ]),\n      m('fieldset', [\n        m('legend', conf.LANG.ADMIN.AUTHENTICATION),\n        m('div', [\n          m('div.form-group', [ f.authMethod.label, f.authMethod.select ]),\n          m('div.checkbox',   (c.data.authMethod() !== 'internal') ? { class: 'hidden' } : undefined,\n            [ f.openRegistration ]),\n          m('div.form-group', (c.data.authMethod() !== 'ldap') ? { class: 'hidden' } : undefined,\n            [ f.authLdapSettings.label, f.authLdapSettings.help, f.authLdapSettings.textarea ]\n          ),\n          m('div.form-group', (c.data.authMethod() !== 'cas') ? { class: 'hidden' } : undefined,\n            [ f.authCasSettings.label, f.authCasSettings.help, f.authCasSettings.textarea ]\n          ),\n        ])\n      ]),\n      m('fieldset', [\n        m('legend', conf.LANG.ADMIN.SETTINGS_PASSWORD),\n        m('div', [\n          m('div.form-group', [ f.passwordMin.label, f.passwordMin.input ]),\n          m('div.form-group', [ f.passwordMax.label, f.passwordMax.input ])\n        ])\n      ]),\n      m('fieldset', [\n        m('legend', conf.LANG.ADMIN.SETTINGS_MAIL),\n        m('div', [\n          m('div.checkbox',   [ f.checkMails ]),\n          m('div.form-group', [ f.tokenDuration.label, f.tokenDuration.input ]),\n          m('div.form-group', [ f.SMTPHost.label, f.SMTPHost.input ]),\n          m('div.form-group', [ f.SMTPPort.label, f.SMTPPort.input ]),\n          m('div.checkbox',   [ f.SMTPSSL ]),\n          m('div.checkbox',   [ f.SMTPTLS ]),\n          m('div.form-group', [ f.SMTPUser.label, f.SMTPUser.input ]),\n          m('div.form-group', [ f.SMTPPass.label, f.SMTPPass.input ]),\n          m('div.form-group', [ f.SMTPEmailFrom.label, f.SMTPEmailFrom.input ])\n        ])\n      ]),\n      m('input.btn.btn-success', {\n        form: 'settings-form',\n        type: 'submit',\n        value: conf.LANG.ADMIN.FIELD.APPLY\n      })\n    ]);\n  };\n\n  view.main = function (c) {\n    var elements = (function () {\n      if (auth.isAdmin()) {\n        return [\n          m('h2', conf.LANG.ADMIN.FORM_SETTINGS),\n          view.settings(c)\n        ];\n      } else {\n        return [\n          m('h2', conf.LANG.ADMIN.FORM_LOGIN),\n          view.form(c)\n        ];\n      }\n    })();\n    return m('section', { class: 'block-group user admin' }, elements);\n  };\n\n  view.aside = function () {\n    var helpKey = (auth.isAdmin() ? 'HELP_SETTINGS' : 'HELP_LOGIN');\n    return m('section.user-aside', [\n      m('h2', conf.LANG.ACTIONS.HELP),\n      m('article.well', m.trust(conf.LANG.ADMIN[helpKey]))\n    ]);\n  };\n\n  admin.view = function (c) {\n    return layout.view(view.main(c), view.aside(c));\n  };\n\n  return admin;\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Bookmark List module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module regroups all bookmarks from a logged users : groups, pads and,\n*  _soon_, other users.\n*/\n\nmodule.exports = (function () {\n  'use strict';\n  // Global dependencies\n  var m  = require('mithril');\n  var ld = require('lodash');\n\n  // Local dependencies\n  var conf      = require('../configuration.js');\n  var auth      = require('../auth.js');\n  var u         = auth.userInfo;\n  var layout    = require('./layout.js');\n  var groupMark = require('./group-mark.js');\n  var padMark   = require('./pad-mark.js');\n  var model     = require('../model/group.js');\n\n  var bookmark = {};\n\n  /**\n  * ## Controller\n  *\n  * Used for module state and actions.\n  */\n\n  bookmark.controller = function () {\n    if (!auth.isAuthenticated()) {\n      conf.unauthUrl(true);\n      return m.route('/login');\n    }\n    document.title = conf.LANG.BOOKMARK.TITLE + ' - ' + conf.SERVER.title;\n\n    var c = {};\n\n    /**\n    * ### computeBookmarks\n    *\n    * `computeBookmarks` is an internal function that gathers bookmarks groups\n    * and pads.\n    */\n\n    c.computeBookmarks = function () {\n      var uMarks = u().bookmarks;\n      var items  = function (data, marks) {\n        return  ld(data)\n          .values()\n          .filter(function (v) { return ld.includes(marks, v._id); })\n          .sortBy('name')\n          .value();\n      };\n      c.bookmarks = {\n        groups: items(model.bookmarks().groups, uMarks.groups),\n        pads: items(model.bookmarks().pads, uMarks.pads)\n      };\n    };\n\n    /**\n    * ### unmark\n    *\n    * `unmark` function redirects to unmarking according to the type of the\n    * bookmark.\n    */\n\n    c.unmark = function (item, type) {\n      var action = (type === 'groups') ? groupMark : padMark;\n      action(item, c.computeBookmarks);\n    };\n\n    // Bootstrapping\n    if (ld.isEmpty(model.groups())) {\n      model.fetch(c.computeBookmarks);\n    } else {\n      c.computeBookmarks();\n    }\n\n    return c;\n  };\n\n  /**\n  * ## Views\n  *\n  */\n\n  var view = {};\n\n  /**\n  * ### groups and pads\n  */\n\n  view._items = function (c, type) {\n    var noneMsg = '';\n    // Using a switch just in case of more possible types in the future (userlists for ex)\n    switch (type) {\n      case 'groups':\n        noneMsg = conf.LANG.GROUP.NONE;\n        break;\n      case 'pads':\n        noneMsg = conf.LANG.GROUP.PAD.NONE;\n        break;\n    }\n    if (ld.size(c.bookmarks[type]) === 0) {\n      return m('p', noneMsg);\n    } else {\n      return m('ul.list-unstyled', ld.map(c.bookmarks[type], function (item) {\n        var route;\n        if (type === 'groups') {\n          route = '/mypads/group/' + item._id + '/view';\n        } else {\n          route = '/mypads/group/' + item.group + '/pad/view/' + item._id;\n        }\n        return m('li', [\n          m('button.btn.btn-link.btn-lg', {\n            title: conf.LANG.GROUP.UNMARK,\n            onclick: ld.partial(c.unmark, item, type)\n          }, [ m('i.glyphicon glyphicon-star') ]),\n          m('a', { href: route, config: m.route }, item.name)\n        ]);\n      }));\n    }\n  };\n\n  view.groups = ld.partialRight(view._items, 'groups');\n  view.pads   = ld.partialRight(view._items, 'pads');\n\n  view.aside = function () {\n    return m('section.user-aside', [\n      m('h2', conf.LANG.ACTIONS.HELP),\n      m('article.well', m.trust(conf.LANG.BOOKMARK.HELP))\n    ]);\n  };\n\n  view.main = function (c) {\n    return m('section', [\n      m('h2', conf.LANG.BOOKMARK.TITLE),\n      m('section.panel.panel-primary', [\n        m('.panel-heading',\n          m('h3.panel-title', conf.LANG.GROUP.GROUPS)\n        ),\n        m('.panel-body', view.groups(c))\n      ]),\n      m('section.panel.panel-info', [\n        m('.panel-heading',\n          m('h3.panel-title', conf.LANG.GROUP.PAD.PADS)\n        ),\n        m('.panel-body', view.pads(c))\n      ])\n    ]);\n  };\n\n  bookmark.view = function (c) {\n    return layout.view(view.main(c), view.aside(c));\n  };\n\n  return bookmark;\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Group form module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module is the main one, containing groups and pads.\n*/\n\nmodule.exports = (function () {\n  'use strict';\n  // Global dependencies\n  var m  = require('mithril');\n  var ld = require('lodash');\n\n  // Local dependencies\n  var conf   = require('../configuration.js');\n  var auth   = require('../auth.js');\n  var layout = require('./layout.js');\n  var form   = require('../helpers/form.js');\n  var notif  = require('../widgets/notification.js');\n  var tag    = require('../widgets/tag.js');\n  var model  = require('../model/group.js');\n\n  var gf = {};\n\n  /**\n  * ## Controller\n  *\n  * Used for authentication enforcement, edit or add recognition and state.\n  * Stores old private status to add the ability to update a group without\n  * retyping the password.\n  */\n\n  gf.controller = function () {\n    if (!auth.isAuthenticated()) {\n      conf.unauthUrl(true);\n      return m.route('/login');\n    }\n    var c    = {};\n    var init = function () {\n      c.addView      = m.prop(m.route() === '/mypads/group/add');\n      document.title = (c.addView() ? conf.LANG.GROUP.ADD :\n        conf.LANG.GROUP.EDIT_GROUP);\n      document.title += ' - ' + conf.SERVER.title;\n      c.fields = ['name', 'description', 'visibility', 'password', 'readonly', 'allowUsersToCreatePads', 'archived'];\n      form.initFields(c, c.fields);\n      c.data.visibility('restricted');\n      var tagsCurrent;\n      if (!c.addView()) {\n        var key = m.route.param('key');\n        c.group = model.groups()[key];\n        ld.map(ld.keys(c.group), function (f) {\n            c.data[f] = m.prop(c.group[f]);\n        });\n        c.data.password = m.prop('');\n        tagsCurrent     = c.group.tags;\n      }\n      c.tag = new tag.controller({\n        current: tagsCurrent || [],\n        tags: model.tags()\n      });\n      c.data.tags        = function () { return c.tag.current; };\n      c.data.tags.toJSON = function () { return c.tag.current; };\n    };\n    if (ld.isEmpty(model.groups())) { model.fetch(init); } else { init(); }\n\n    /**\n    * `submit` internal calls the public API to add a new group or edit an\n    * existing with entered data. It adds necessary fields and displays errors\n    * if needed or success.\n    */\n    c.submit = function (e) {\n      e.preventDefault();\n      var opts = (function () {\n        var _o = { params: {}, extra: {} };\n        if (c.addView()) {\n          _o.params.method = 'POST';\n          _o.params.url    = conf.URLS.GROUP;\n          _o.extra.msg     = conf.LANG.GROUP.INFO.ADD_SUCCESS;\n        } else {\n          _o.params.method = 'PUT';\n          _o.params.url    = conf.URLS.GROUP + '/' + c.group._id;\n          _o.extra.msg     = conf.LANG.GROUP.INFO.EDIT_SUCCESS;\n        }\n        return _o;\n      })();\n      opts.params.data            = ld.assign(c.data, { admin: auth.userInfo()._id });\n      opts.params.data.auth_token = auth.token();\n      m.request(opts.params).then(function (resp) {\n        var data       = model.groups();\n        data[resp.key] = resp.value;\n        model.groups(data);\n        model.tags(ld.union(model.tags(), resp.value.tags));\n        notif.success({ body: opts.extra.msg });\n        m.route('/mypads/group/' + resp.value._id + '/view');\n      }, function (err) {\n        notif.error({ body: ld.result(conf.LANG, err.error) });\n      });\n    };\n    return c;\n  };\n\n  /**\n  * ## Views\n  */\n\n  var view = {};\n  gf.views = view;\n\n  view.icon = {};\n\n  /**\n  * ### icon common\n  *\n  * `common` returns an icon info vdom with viven `msg` on tooltip.\n  */\n\n  view.icon.common = function (msg) {\n    return m('i', {\n      class: 'mp-tooltip glyphicon glyphicon-info-sign',\n      'data-msg': msg\n    });\n  };\n\n  view.icon.name = function (c) {\n    return form.icon(c, 'name', conf.LANG.GROUP.INFO.NAME,\n      conf.LANG.GROUP.ERR.NAME);\n  };\n\n  view.icon.description = function (c) {\n    return form.icon(c, 'description', conf.LANG.GROUP.INFO.DESCRIPTION);\n  };\n\n  view.icon.visibility = function () {\n    return view.icon.common(conf.LANG.GROUP.INFO.VISIBILITY);\n  };\n  view.icon.password = function () {\n    return view.icon.common(conf.LANG.GROUP.INFO.PASSWORD);\n  };\n  view.icon.readonly = function () {\n    return view.icon.common(conf.LANG.GROUP.INFO.READONLY);\n  };\n  view.icon.allowUsersToCreatePads = function () {\n    return view.icon.common(conf.LANG.GROUP.INFO.ALLOW_USERS_TO_CREATE_PADS);\n  };\n  view.icon.archived = function () {\n    return view.icon.common(conf.LANG.GROUP.INFO.ARCHIVED);\n  };\n\n  /**\n  * ### Fields\n  *\n  * Each `field` is a view returning three vdom elements :\n  *\n  * - a `label`\n  * - an `input`\n  * - the `icon`\n  */\n\n  view.field = {};\n\n  view.field.name = function (c) {\n    var f = form.field(c, 'name', conf.LANG.GROUP.INFO.NAME,\n      view.icon.name(c));\n      ld.assign(f.input.attrs, {\n        placeholder: conf.LANG.GROUP.INFO.NAME,\n        required: true,\n        maxlength: 40,\n        config: form.focusOnInit\n      });\n    f.label.attrs.class = 'col-sm-4';\n    return f;\n  };\n\n  view.field.description = function (c) {\n    var icon  = view.icon.description(c);\n    var label = m('label.col-sm-4', { for: 'description' },\n      [ conf.LANG.GROUP.FIELD.DESCRIPTION, icon ]);\n    var textarea = m('textarea.form-control', {\n      name: 'description',\n      value: (c.data.description() || ''),\n      onchange: m.withAttr('value', c.data.description)\n    }, c.data.description());\n    return { label: label, icon: icon, textarea: textarea };\n  };\n\n  view.field.visibility = function (c, restricted) {\n    restricted = ld.isUndefined(restricted) ? true : restricted;\n    var icon   = view.icon.visibility();\n    var label  = m('label.col-sm-4', { for: 'visibility' },\n      [ conf.LANG.GROUP.FIELD.VISIBILITY, icon ]);\n    var select = m('select.form-control', {\n      name: 'visibility',\n      required: true,\n      value: c.data.visibility(),\n      onchange: m.withAttr('value', c.data.visibility)\n    }, [\n      (function () {\n        if (restricted) {\n          return m('option', { value: 'restricted' },\n            conf.LANG.GROUP.FIELD.RESTRICTED);\n        } else {\n          return m('option', { value: '' }, '');\n        }\n      })(),\n      m('option', { value: 'private' }, conf.LANG.GROUP.FIELD.PRIVATE),\n      m('option', { value: 'public' }, conf.LANG.GROUP.FIELD.PUBLIC)\n    ]);\n    return { label: label, icon: icon, select: select };\n  };\n\n  view.field.password = function (c) {\n    var icon  = view.icon.password();\n    var label = m('label.col-sm-4', { for: 'password' },\n      [ conf.LANG.USER.PASSWORD, icon ]);\n    var input = m('input.form-control', {\n      name: 'password',\n      type: 'password',\n      placeholder: conf.LANG.USER.UNDEF,\n      value: c.data.password(),\n      required: (c.addView() && (c.data.visibility() === 'private')),\n      oninput: m.withAttr('value', c.data.password)\n    });\n    return { label: label, icon: icon, input: input };\n  };\n\n  view.field.readonly = function (c) {\n    var icon  = view.icon.readonly();\n    var label = m('label', [\n        m('input', {\n          name: 'readonly',\n          type: 'checkbox',\n          checked: c.data.readonly(),\n          onchange: m.withAttr('checked', c.data.readonly)\n        }),\n        [ conf.LANG.GROUP.FIELD.READONLY, icon ]\n      ]);\n    return { label: label, icon: icon };\n  };\n\n  view.field.allowUsersToCreatePads = function (c) {\n    var icon  = view.icon.allowUsersToCreatePads();\n    var label = m('label', [\n        m('input', {\n          name: 'allowUsersToCreatePads',\n          type: 'checkbox',\n          checked: c.data.allowUsersToCreatePads(),\n          onchange: m.withAttr('checked', c.data.allowUsersToCreatePads)\n        }),\n        [ conf.LANG.GROUP.FIELD.ALLOW_USERS_TO_CREATE_PADS, icon ]\n      ]);\n    return { label: label, icon: icon };\n  };\n\n  view.field.archived = function (c) {\n    var icon  = view.icon.archived();\n    var label = m('label', [\n        m('input', {\n          name: 'archived',\n          type: 'checkbox',\n          checked: c.data.archived(),\n          onchange: m.withAttr('checked', c.data.archived)\n        }),\n        [ conf.LANG.GROUP.FIELD.ARCHIVED, icon ]\n      ]);\n    return { label: label, icon: icon };\n  };\n\n  view.field.tag = function (c) { return tag.view(c.tag); };\n\n  /**\n  * ### form view\n  *\n  * Classic view with all fields and changes according to the view.\n  */\n\n  view.form = function (c) {\n    var _f = ld.reduce(c.fields, function (memo, f) {\n      memo[f] = view.field[f](c);\n      return memo;\n    }, {});\n    var fields = [\n      m('.form-group', [\n        _f.name.label,\n        m('.col-sm-7', _f.name.input)\n      ]),\n      m('.form-group', [\n        _f.description.label,\n        m('.col-sm-7', _f.description.textarea)\n      ])\n    ];\n    if (!conf.SERVER.allPadsPublicsAuthentifiedOnly) {\n      fields.push(\n        m('.form-group', [\n          _f.visibility.label,\n          m('.col-sm-7', _f.visibility.select)\n        ])\n      );\n    }\n    if (c.data.visibility() === 'private') {\n      fields.push(\n        m('.form-group', [\n          _f.password.label,\n          m('.col-sm-7', _f.password.input)\n        ])\n      );\n    }\n    if (!c.addView() && !conf.SERVER.allPadsPublicsAuthentifiedOnly) {\n      fields.push([\n        m('.form-group',\n          m('.col-sm-7 .col-sm-offset-4',\n            m('.checkbox', [\n              _f.readonly.label,\n            ])\n          )\n        ),\n        m('.form-group',\n          m('.col-sm-7 .col-sm-offset-4',\n            m('.checkbox', [\n              _f.archived.label,\n            ])\n          )\n        ),\n        m('.form-group',\n          m('.col-sm-7 .col-sm-offset-4',\n            m('.checkbox', [\n              _f.allowUsersToCreatePads.label,\n            ])\n          )\n        )\n      ]);\n    }\n    fields.push(view.field.tag(c));\n    return m('form.form-horizontal', {\n      id: 'group-form',\n      onsubmit: c.submit\n    }, [\n      m('fieldset', [\n        m('legend', conf.LANG.GROUP.GROUP),\n        m('div', fields)\n      ]),\n      m('input.btn.btn-success.pull-right', {\n        form: 'group-form',\n        type: 'submit',\n        value: conf.LANG.ACTIONS.SAVE\n      })\n    ]);\n  };\n\n  /**\n  * ### main and global view\n  *\n  * Views with cosmetic and help changes according to the current page.\n  */\n\n  view.main = function (c) {\n    return m('section', { class: 'user group-form' }, [\n      m('h2',\n        c.addView() ? conf.LANG.GROUP.ADD : conf.LANG.GROUP.EDIT_GROUP),\n      view.form(c)\n    ]);\n  };\n\n  view.aside = function () {\n    var help = conf.SERVER.allPadsPublicsAuthentifiedOnly ?\n      conf.LANG.GROUP.ADD_HELP_PUBLIC_ACCESS : conf.LANG.GROUP.ADD_HELP;\n    help += conf.LANG.GROUP.ADD_HELP_LABEL;\n    return m('section.user-aside', [\n      m('h2', conf.LANG.ACTIONS.HELP),\n      m('article.well', m.trust(help))\n    ]);\n  };\n\n  gf.view = function (c) {\n    return layout.view(view.main(c), view.aside(c));\n  };\n\n  return gf;\n}).call(this);\n","/**\n*  # Group bookmarking module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  Short module for group bookmark and unmark\n*/\n\nmodule.exports = (function () {\n  'use strict';\n  // Dependencies\n  var m     = require('mithril');\n  var ld    = require('lodash');\n  var auth  = require('../auth.js');\n  var conf  = require('../configuration.js');\n  var notif = require('../widgets/notification.js');\n  var model = require('../model/group.js');\n\n  /**\n  * ## Main function\n  *\n  * Takes a group object and adds or removes it from the bookmarks of the\n  * current user. An optional `successFn` can be given, called with no\n  * argument after successfull operation.\n  */\n\n  return function (group, successFn) {\n    var gid  = group._id;\n    var user = auth.userInfo();\n    if (ld.includes(user.bookmarks.groups, gid)) {\n      ld.pull(user.bookmarks.groups, gid);\n    } else {\n      user.bookmarks.groups.push(gid);\n    }\n    if (typeof(model.bookmarks().groups[gid]) !== 'undefined') {\n      delete model.bookmarks().groups[gid];\n    } else {\n      model.bookmarks().groups[gid] = group;\n    }\n    m.request({\n      url: conf.URLS.USERMARK,\n      method: 'POST',\n      data: {\n        type: 'groups',\n        key: gid,\n        auth_token: auth.token()\n      }\n    }).then(function () {\n      notif.success({ body: conf.LANG.GROUP.MARK_SUCCESS });\n      if (successFn) { successFn(); }\n    }, function (err) {\n      return notif.error({ body: ld.result(conf.LANG, err.error) });\n    });\n  };\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Group remove module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  Short module for group removal\n*/\n\nmodule.exports = (function () {\n  'use strict';\n  // Dependencies\n  var m     = require('mithril');\n  var ld    = require('lodash');\n  var auth  = require('../auth.js');\n  var conf  = require('../configuration.js');\n  var model = require('../model/group.js');\n  var notif = require('../widgets/notification.js');\n\n  var remove = {};\n\n  /**\n  * ## Controller\n  *\n  * Used for authentication enforcement and confirmation before removal. In all\n  * cases, redirection to group listing.\n  */\n\n  remove.controller = function () {\n    if (!auth.isAuthenticated()) {\n      conf.unauthUrl(true);\n      return m.route('/login');\n    }\n    if (window.confirm(conf.LANG.GROUP.INFO.REMOVE_SURE)) {\n      m.request({\n        method: 'DELETE',\n        url: conf.URLS.GROUP + '/' + m.route.param('key'),\n        data: { auth_token: auth.token() }\n      }).then(function (resp) {\n        var data = model.groups();\n        delete data[resp.key];\n        model.groups(data);\n        notif.success({ body: conf.LANG.GROUP.INFO.REMOVE_SUCCESS });\n        m.route('/mypads/group/list');\n      }, function (err) {\n        notif.error({ body: ld.result(conf.LANG, err.error) });\n      });\n    } else {\n      m.route('/mypads/group/' + m.route.param('key') + '/view');\n    }\n  };\n\n  remove.view = function () {};\n\n  return remove;\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Group View module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module lists all pads linked to the group.\n*/\n\nmodule.exports = (function () {\n  'use strict';\n  // Global dependencies\n  var m  = require('mithril');\n  var ld = require('lodash');\n\n  // Local dependencies\n  var conf               = require('../configuration.js');\n  var auth               = require('../auth.js');\n  var notif              = require('../widgets/notification.js');\n  var layout             = require('./layout.js');\n  var model              = require('../model/group.js');\n  var padMark            = require('./pad-mark.js');\n  var padShare           = require('./pad-share.js');\n  var ready              = require('../helpers/ready.js');\n  var sortingPreferences = require('../helpers/sortingPreferences.js');\n  var filterPads         = require('../helpers/filterPads.js');\n  var groupMark          = require('./group-mark.js');\n\n  var u     = auth.userInfo;\n  var group = {};\n\n  /**\n  * ## Controller\n  *\n  * Used for group, pads and users data.\n  * Ensures that models are already loaded, either load them.\n  * Taking care of public group case.\n  */\n\n  group.controller = function () {\n\n    var key = m.route.param('key');\n    var c   = {\n      group: { visibility: '', tags: [] },\n      privatePassword: m.prop(''),\n      sendPass: m.prop(false)\n    };\n    if (auth.isAuthenticated()) {\n      c.bookmarks = auth.userInfo().bookmarks.pads;\n    }\n    c.isGuest = !auth.isAuthenticated();\n\n    var init = function (err) {\n      if (err) { return m.route('/mypads'); }\n      var _init = function (err) {\n        if (err) { return m.route('/mypads'); }\n        var data = c.isGuest ? model.tmp() : model;\n        c.group  = data.groups()[key];\n        if (!c.isGuest) {\n          c.isAdmin = ld.includes(c.group.admins, auth.userInfo()._id);\n          c.isUser  = ld.includes(c.group.users,  auth.userInfo()._id);\n          var pads  = model.pads();\n          var users = model.users();\n          c.pads    = ld.sortBy(ld.map(c.group.pads, function (x) {\n              return pads[x];\n            }), sortingPreferences.padByField());\n          c.users  = ld.map(c.group.users, function (x) { return users[x]; });\n          c.admins = ld.map(c.group.admins, function (x) { return users[x]; });\n        } else {\n          c.isAdmin = false;\n          c.isUser  = false;\n          c.pads    = ld.sortBy(ld.compact(ld.map(c.group.pads, function (x) {\n            return data.pads()[x];\n          })), sortingPreferences.padByField());\n        }\n        if (!sortingPreferences.padAsc()) {\n          c.pads.reverse();\n        }\n        document.title = conf.LANG.GROUP.GROUP + ' ' + c.group.name +\n          ' - ' + conf.SERVER.title;\n      };\n      if (model.groups()[key]) {\n        _init();\n      } else {\n        c.isGuest = true;\n        model.fetchObject({ group: key }, undefined, _init);\n      }\n    };\n\n    var fetchFn = (function () {\n      if (auth.isAuthenticated()) {\n        return ld.partial(model.fetch, init);\n      } else {\n        return ld.partial(model.fetchObject, { group: key }, undefined, init);\n      }\n    })();\n    if (ld.isEmpty(model.groups())) { fetchFn(); } else { init(); }\n\n    /**\n    * ### sortBy\n    *\n    * `c.sortBy` function sort pads by the `field` argument.\n    * If already sorted by the same field, it reverses order.\n    */\n\n    c.sortField = m.prop(sortingPreferences.padByField());\n    c.sortAsc   = m.prop(sortingPreferences.padAsc());\n    c.sortBy    = function (field, asc) {\n      if (c.sortField() === field && typeof(asc) !== 'boolean') {\n        c.sortAsc(!c.sortAsc());\n      }\n      c.sortField(field);\n      var direction = c.sortAsc() ? 'asc' : 'desc';\n      c.pads        = ld.sortByOrder(c.pads, field, direction);\n      sortingPreferences.updateValues({\n        padByField: c.sortField(),\n        padAsc: c.sortAsc()\n      });\n    };\n\n    /**\n    * ### quit\n    * `c.quit` function is used to resign user from administration or usage of\n    * a group. It is based on `user-invitation` to proceed.\n    */\n\n    c.quit = function () {\n      if (window.confirm(conf.LANG.GROUP.INFO.RESIGN)) {\n        m.request({\n          method: 'POST',\n          url: conf.URLS.GROUP + '/resign',\n          data: {\n            gid: c.group._id,\n            auth_token: auth.token()\n          }\n        }).then(function (resp) {\n          var data = model.groups();\n          delete data[resp.value._id];\n          model.groups(data);\n          notif.success({ body: conf.LANG.GROUP.INFO.RESIGN_SUCCESS });\n          m.route('/mypads/group/list');\n        }, function (err) {\n          notif.error({ body: ld.result(conf.LANG, err.error) });\n        });\n      }\n    };\n\n    /**\n    * ### submitPass\n    *\n    * This function manages password sending for private group when the user is\n    * not an admin of this group.\n    */\n\n    c.submitPass = function (e) {\n      e.preventDefault();\n      model.fetchObject({ group: key }, c.privatePassword(), function (err) {\n        if (err) { return c.sendPass(false); }\n        var data = c.isGuest ? model.tmp() : model;\n        c.group  = data.groups()[key];\n        c.pads   = ld.sortBy(ld.compact(ld.map(c.group.pads,\n          function (x) { return data.pads()[x]; })), sortingPreferences.padByField());\n        c.sendPass(true);\n      });\n    };\n\n    return c;\n  };\n\n  /**\n  * ## Views\n  */\n\n  var view = {};\n\n  /*\n  * ### group view\n  *\n  * `properties` section for displaying chodsen options of the group\n  */\n\n  view.properties = function (c) {\n    return m('table.table.table-stripped.table-bordered', [\n      m('thead',\n        m('tr', [\n          m('th', {scope: 'col'}, conf.LANG.GROUP.PAD.PADS),\n          (conf.SERVER.allPadsPublicsAuthentifiedOnly) ? null : m(\n            'th',\n            {scope: 'col', title: conf.LANG.GROUP.PAD.VISIBILITY},\n            m('i.glyphicon.glyphicon-eye-open',\n              m('span.sr-only', conf.LANG.GROUP.PAD.VISIBILITY)\n            )\n          ),\n          (conf.SERVER.allPadsPublicsAuthentifiedOnly) ? null : m(\n            'th',\n            {scope: 'col'}, conf.LANG.GROUP.FIELD.READONLY\n          ),\n          (conf.SERVER.allPadsPublicsAuthentifiedOnly) ? null : m(\n            'th',\n            {scope: 'col', title: conf.LANG.GROUP.PAD.ADMINS},\n            m('i.glyphicon.glyphicon-knight',\n              m('span.sr-only', conf.LANG.GROUP.PAD.ADMINS)\n            )\n          ),\n          (conf.SERVER.allPadsPublicsAuthentifiedOnly) ? null : m(\n            'th',\n            {scope: 'col', title: conf.LANG.GROUP.PAD.USERS},\n            m('i.glyphicon.glyphicon-user',\n              m('span.sr-only', conf.LANG.GROUP.PAD.USERS)\n            )\n          ),\n          m('th', {scope: 'col'}, conf.LANG.GROUP.TAGS.TITLE),\n        ])\n      ),\n      m('tbody',\n        m('tr.text-center', [\n          m('td', ld.size(c.group.pads)),\n          (conf.SERVER.allPadsPublicsAuthentifiedOnly) ? null : m(\n            'td',\n            conf.LANG.GROUP.FIELD[c.group.visibility.toUpperCase()]\n          ),\n          (conf.SERVER.allPadsPublicsAuthentifiedOnly) ? null : m(\n            'td',\n            conf.LANG.GLOBAL[c.group.readonly ? 'YES' : 'NO']\n          ),\n          (conf.SERVER.allPadsPublicsAuthentifiedOnly) ? null : m(\n            'td',\n            ld.size(c.group.admins)\n          ),\n          (conf.SERVER.allPadsPublicsAuthentifiedOnly) ? null : m(\n            'td',\n            ld.size(c.group.users)\n          ),\n          m('td', m('ul.list-inline', ld.map(c.group.tags, function (t) {\n                    return m('li.label.label-default', t);\n          })))\n        ])\n      )\n    ]);\n  };\n\n  /**\n  * ### pads\n  *\n  * View for all linked `pads`, name and actions.\n  */\n\n  view.pads = function (c) {\n    var route   = '/mypads/group/' + c.group._id;\n    var GROUP   = conf.LANG.GROUP;\n    var addView = m('p.col-sm-4.text-center', [\n      m('a.btn.btn-default', { href: route + '/pad/add', config: m.route }, [\n        m('i.glyphicon.glyphicon-plus.text-success'),\n        ' '+conf.LANG.GROUP.PAD.ADD\n      ])\n    ]);\n    var moveView = m('p.text-center', [\n      m('a.btn.btn-default', { href: route + '/pad/move', config: m.route }, [\n        m('i.glyphicon.glyphicon-transfer'),\n        ' '+conf.LANG.GROUP.PAD.MOVE\n      ])\n    ]);\n    var filterView = m('p.col-sm-4.text-center.form-inline', [\n      m('.form-group', [\n        m('label', {\n          for: 'pad-filter-form'\n        }, conf.LANG.GROUP.SEARCH.TITLE+' '),\n        m('input.form-control', {\n          id: 'pad-filter-form',\n          type: 'search',\n          placeholder: conf.LANG.GROUP.SEARCH.TYPE,\n          oninput: m.withAttr('value', filterPads.filterKeyword)\n        }),\n      ])\n    ]);\n    var sortIcon = (function () {\n      if (c.sortField()) {\n        return (c.sortAsc() ? 'top' : 'bottom');\n      } else {\n        return 'arrow-combo';\n      }\n    })();\n    var sortView = m('p.col-sm-4.text-right.small', [\n      m('span', ' '+conf.LANG.GROUP.PAD.SORT_BY),\n      m('button.btn.btn-default.btn-xs', {\n        type: 'button',\n        onclick: ld.partial(c.sortBy, 'ctime')\n      }, [conf.LANG.GROUP.PAD.SORT_BY_CREATION+' ',\n        m('i.small.glyphicon glyphicon-triangle-' + sortIcon)]\n      ),\n      m('button.btn.btn-default.btn-xs', {\n        type: 'button',\n        onclick: ld.partial(c.sortBy, 'name')\n      }, [ conf.LANG.GROUP.PAD.SORT_BY_NAME+' ',\n        m('i.small.glyphicon glyphicon-triangle-' + sortIcon)])\n    ]);\n    var padView = (function () {\n      if (ld.size(c.group.pads) === 0) {\n        return m('p', conf.LANG.GROUP.PAD.NONE);\n      } else {\n        return m('ul.list-group.col-sm-12', ld.map(c.pads, function (p) {\n          if (typeof(p) === 'undefined') { return null; }\n\n          var actions = [\n            (function () {\n              if ((c.group.visibility !== 'restricted') ||\n                (p.visibility && p.visibility !== 'restricted') ||\n                conf.SERVER.allPadsPublicsAuthentifiedOnly) {\n                return m('button.btn.btn-default.btn-xs', {\n                  title: conf.LANG.GROUP.SHARE,\n                  onclick: padShare.bind(c, c.group._id, p._id)\n                }, [ m('i.glyphicon.glyphicon-link') ]);\n              }\n            })()\n          ];\n          if (c.isAdmin) {\n            actions.push(\n              m('a.btn.btn-default.btn-xs', {\n                href: route + '/pad/edit/' + p._id,\n                config: m.route,\n                title: conf.LANG.MENU.CONFIG\n              }, [ m('i.glyphicon.glyphicon-wrench') ]),\n              m('div.btn-group.dropdown', [\n                m('button.btn.btn-default.btn-xs', {\n                  'aria-haspopup': 'true',\n                  'aria-expanded': 'false'\n                }, [\n                  m('i.glyphicon.glyphicon-trash.text-danger'),\n                  m('span.caret')\n                ]),\n                m('ul.dropdown-content.dropdown-menu.dropdown-menu-right', [\n                  m('li', [\n                    m('a', {\n                      href: route + '/pad/remove/chat/history/' + p._id,\n                      config: m.route\n                    }, [ conf.LANG.GROUP.REMOVE_CHAT_HISTORY ])\n                  ]),\n                  m('li.divider', { role: 'separator'}),\n                  m('li', [\n                    m('a', {\n                      href: route + '/pad/remove/' + p._id,\n                      config: m.route\n                    }, [ conf.LANG.GROUP.REMOVE + ' ' + p.name ])\n                  ]),\n                ])\n              ])\n            );\n          }\n          var padName = p.name;\n          if (p.visibility && (p.visibility !== c.group.visibility)) {\n            var visib = conf.LANG.GROUP.FIELD[p.visibility.toUpperCase()];\n            padName  += ' (' + visib + ')';\n          }\n          return m('li.list-group-item.group-pad-item', {\n              'data-padname': padName\n            }, [\n            (function () {\n              if (!c.isGuest) {\n                var isBookmarked = ld.includes(c.bookmarks, p._id);\n                return m('button.btn.btn-link.btn-lg', {\n                  title: (isBookmarked ? GROUP.UNMARK : GROUP.BOOKMARK),\n                  onclick: function () { padMark(p); }\n                }, [\n                  m('i',\n                    { class: 'glyphicon glyphicon-star' +\n                      (isBookmarked ? '' : '-empty') })\n                ]);\n              }\n            })(),\n            m('span.name', [\n              m('a', {\n                href: route + '/pad/view/' + p._id,\n                config: m.route,\n                title: conf.LANG.GROUP.VIEW\n              }, padName)\n              ]),\n            m('span.pull-right', actions)\n          ]);\n        }));\n      }\n    })();\n    var padBlocks = [];\n    if (c.isAdmin || (c.group.allowUsersToCreatePads && !c.isGuest)) { padBlocks.push(addView);}\n    padBlocks.push(filterView, sortView, padView);\n    if (c.isAdmin) { padBlocks.push(moveView);}\n    return m('section.panel-body', padBlocks);\n  };\n\n  /**\n  * ### users\n  *\n  * View for all `users` and admins, displayed with some information and quick\n  * actions. `users` block is shown only if group has `visibility` *restricted*.\n  */\n\n  view.users = function (c) {\n    if(c.isGuest) {\n      return m('p', conf.LANG.GROUP.PAD.PUBLIC_DENIED);\n    }\n    var userView = function (u) {\n      if (c.isAdmin) {\n        if (u.firstname || u.lastname) {\n          return u.firstname + ' ' + u.lastname + ' : ' + u.email;\n        }\n        return u.login + ' : ' + u.email;\n      }\n      return u.login;\n\n    };\n    var list = function (users) {\n      if (ld.size(users) === 0) {\n        return m('p', conf.LANG.GROUP.PAD.USERS_NONE);\n      } else {\n        return m('ul.list-group', ld.map(users, function (u) {\n          return m('li.list-group-item', userView(u));\n        }));\n      }\n    };\n    var route             = '/mypads/group/' + c.group._id;\n    var sectionListAdmins = [ m('h4', conf.LANG.GROUP.PAD.ADMINS) ];\n    if (conf.SERVER.allPadsPublicsAuthentifiedOnly) {\n      sectionListAdmins = [];\n    }\n    if (c.isAdmin) {\n      sectionListAdmins.push(\n        m('p.text-center',\n          m('a.btn.btn-default',\n            { href: route + '/user/share', config: m.route },\n            [ m('i.glyphicon.glyphicon-plus.text-success'),\n                ' '+conf.LANG.GROUP.SHARE_ADMIN\n            ]\n          )\n        )\n      );\n    }\n    sectionListAdmins.push(list(c.admins));\n\n    var sectionListUsers = [ m('h4', conf.LANG.GROUP.PAD.USERS) ];\n    if (c.isAdmin) {\n      sectionListUsers.push(\n        m('p.text-center',\n          m('a.btn.btn-default',\n            { href: route + '/user/invite', config: m.route },\n            [ m('i.glyphicon.glyphicon-plus.text-success'),\n                ' '+conf.LANG.GROUP.INVITE_USER.IU ]\n          )\n        )\n      );\n    }\n    sectionListUsers.push(list(c.users));\n    return m('section.panel-body', [\n      m((conf.SERVER.allPadsPublicsAuthentifiedOnly) ? '.col-sm-12' : '.col-sm-6',sectionListAdmins),\n      (conf.SERVER.allPadsPublicsAuthentifiedOnly) ? null : m('.col-sm-6',sectionListUsers)\n    ]);\n  };\n\n  view.passForm = function (c) {\n    return [ m('form', {\n      id: 'password-form',\n      config: ready.inFrame,\n      onsubmit: c.submitPass\n    }, [\n      m('label', { for: 'mypadspassword' }, conf.LANG.USER.PASSWORD),\n      m('input', {\n        type: 'password',\n        required: true,\n        placeholder: conf.LANG.USER.UNDEF,\n        value: c.privatePassword(),\n        oninput: m.withAttr('value', c.privatePassword)\n      }),\n      m('input.ok', {\n        form: 'password-form',\n        type: 'submit',\n        value: conf.LANG.USER.OK\n      })\n    ])];\n  };\n\n  /**\n  * ### main\n  *\n  * `main` view, composed by properties, pads and users.\n  */\n\n  view.main = function (c) {\n    var isBookmarked = (auth.isAuthenticated()) ? (ld.includes(u().bookmarks.groups, c.group._id)) : false;\n    var h2Elements   = [ m('span', [\n      m('button.btn.btn-link.btn-lg', {\n          onclick: function (e) {\n            e.preventDefault();\n            groupMark(c.group);\n          },\n          title: (isBookmarked ? conf.LANG.GROUP.UNMARK : conf.LANG.GROUP.BOOKMARK)\n        }, [\n          m('i',\n            { class: 'glyphicon glyphicon-star' +\n              (isBookmarked ? '' : '-empty') })\n        ]\n      ),\n      conf.LANG.GROUP.GROUP + ' ' + c.group.name\n    ])];\n    var shareBtn = '';\n    if (c.group.visibility !== 'restricted' || conf.SERVER.allPadsPublicsAuthentifiedOnly) {\n      shareBtn = m('button.btn.btn-default', {\n        title: conf.LANG.GROUP.SHARE,\n        onclick: padShare.bind(c, c.group._id, null)\n      },\n      [ m('i.glyphicon.glyphicon-link'),\n        m('span', ' '+conf.LANG.GROUP.SHARE)\n      ]);\n    }\n    var buttonsArray = [shareBtn];\n    if (c.isAdmin) {\n      buttonsArray.push(\n        m('a.btn.btn-default', {\n          href: '/mypads/group/' + c.group._id + '/edit',\n          config: m.route,\n          title: conf.LANG.MENU.CONFIG\n        },\n        [ m('i.glyphicon.glyphicon-wrench'),\n          m('span', ' '+conf.LANG.MENU.CONFIG)\n        ]),\n        m('a.btn.btn-danger', {\n          href: '/mypads/group/' + c.group._id + '/remove',\n          config: m.route,\n          title: conf.LANG.GROUP.REMOVE\n        },\n        [ m('i.glyphicon.glyphicon-trash'),\n          m('span', ' '+conf.LANG.GROUP.REMOVE)\n        ])\n      );\n    }\n    var canQuit = (c.isAdmin && c.admins.length > 1) || (!c.isAdmin);\n    if (!c.isGuest && canQuit) {\n      buttonsArray.push(m('button.cancel.btn.btn-warning', { onclick: c.quit },\n          [ m('i.glyphicon glyphicon-fire'), ' '+conf.LANG.GROUP.QUIT_GROUP ]));\n    }\n    var showPass = (!c.isAdmin && !c.isUser && (c.group.visibility === 'private') &&\n      !c.sendPass() && !conf.SERVER.allPadsPublicsAuthentifiedOnly);\n    if (showPass) {\n      return m('section', [\n        m('h2', h2Elements),\n        view.passForm(c)\n      ]);\n    } else {\n      var adminPanelTitle = conf.LANG.GROUP.PAD.ADMINS + ' & ' + conf.LANG.GROUP.PAD.USERS;\n      if (conf.SERVER.allPadsPublicsAuthentifiedOnly) {\n        adminPanelTitle = conf.LANG.GROUP.PAD.ADMINS;\n      }\n      return m('section', [\n        m('.btn-group.pull-right', {role:'group'}, buttonsArray),\n        m('h2', h2Elements),\n        m('section.description', [  ]),\n        m('section.panel.panel-primary.props', [\n          m('.panel-heading',\n            m('h3.panel-title', conf.LANG.GROUP.PROPERTIES)\n          ),\n          m('.panel-body', c.group.description),\n          view.properties(c)\n        ]),\n        m('section.panel.panel-info.pads', [\n          m('.panel-heading',\n            m('h3.panel-title', conf.LANG.GROUP.PAD.PADS)\n          ),\n          view.pads(c)\n        ]),\n        m('section.panel.panel-warning.users', [\n          m('.panel-heading',\n            m('h3.panel-title', adminPanelTitle)\n          ),\n          view.users(c)\n        ])\n      ]);\n    }\n  };\n\n  /**\n  * ### aside\n  *\n  * aside function, here some help and explanation\n  */\n\n  view.aside = function () {\n    return m('section.user-aside', [\n      m('h2', conf.LANG.ACTIONS.HELP),\n      m('article.well', m.trust(conf.LANG.GROUP.VIEW_HELP))\n    ]);\n  };\n\n  group.view = function (c) {\n    return layout.view(view.main(c), view.aside(c));\n  };\n\n  return group;\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Group List module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module is the main one, containing groups.\n*/\n\nmodule.exports = (function () {\n  'use strict';\n  // Global dependencies\n  var m  = require('mithril');\n  var ld = require('lodash');\n\n  // Local dependencies\n  var conf               = require('../configuration.js');\n  var auth               = require('../auth.js');\n  var u                  = auth.userInfo;\n  var layout             = require('./layout.js');\n  var model              = require('../model/group.js');\n  var padShare           = require('./pad-share.js');\n  var sortingPreferences = require('../helpers/sortingPreferences.js');\n  var groupMark          = require('./group-mark.js');\n\n  var group = {};\n\n  /**\n  * ## Controller\n  *\n  * Used for module state and actions.\n  */\n\n  group.controller = function () {\n    if (!auth.isAuthenticated()) {\n      conf.unauthUrl(true);\n      return m.route('/login');\n    }\n    document.title = conf.LANG.GROUP.MYGROUPS + ' - ' + conf.SERVER.title;\n    var c          = { groups: {} };\n\n    /**\n    * ### filters\n    *\n    * `filters` is an object of active functions to apply to the current list of\n    * groups. Keys are composed with filter names, being able to remove it if\n    * necessary.\n    */\n    c.filters = { admins: false, users: false };\n\n    /**\n    * #### filterFn\n    *\n    * Private `filterFn` is a function taking :\n    *\n    * - `name` filter for `c.filters` storing\n    * - `cond` expression, for toggling purpose\n    * - `action` function, value for `c.filters[name]` if `cond` is *true*\n    *\n    * It fixes filters according to arguments and calls `computeGroups`.\n    */\n\n    var filterFn = function (name, cond, action) {\n      c.filters[name] = cond ? action : false;\n      c.computeGroups();\n    };\n\n    /**\n    * #### filterToggle\n    *\n    * `filterToggle` is a function taking a `field` string object, key of\n    * `c.filters` for toggling filter, accoding to group `field` (for instance\n    * used for admins and users).\n    */\n\n    c.filterToggle = function (field) {\n      var action = function (g) { return ld.includes(g[field], u()._id); };\n      filterFn(field, !c.filters[field], action);\n    };\n\n    /**\n    * #### filterTag\n    *\n    * `filterTag` is similar to `filterToggle` but works with several tags, as\n    * taken as argument.\n    */\n\n    c.filterTag = function (tag) {\n      var action = function (g) { return ld.includes(g.tags, tag); };\n      filterFn(tag, !c.filters[tag], action);\n    };\n\n    /**\n    * #### filterVisibility\n    *\n    * `filterVisibility` is similar to `filterTag` but works exact given\n    * `visibility` string and keeps in memory old visibility value because it\n    * should only be one selected at the same time.\n    */\n\n    c.filterVisibility = function (visibility) {\n      if (c.filterVisibVal === visibility) {\n        c.filters.visibility = false;\n        c.filterVisibVal     = false;\n      } else {\n        c.filterVisibVal     = visibility;\n        c.filters.visibility = function (g) {\n          return (g.visibility === visibility);\n        };\n      }\n      c.computeGroups();\n    };\n\n    /*\n    * #### filterSearch\n    *\n    * `filterSearch` function checks group *name* and *tags* field with\n    * full-text search pattern `c.search` but only if `c.search` has 3\n    * characters or more.\n    */\n\n    c.search       = m.prop('');\n    c.filterSearch = function () {\n      if (c.search().length > 2) {\n        c.filters.search = function (g) {\n          var re = new RegExp(c.search(), 'gi');\n          if (g.name.match(re)) { return true; }\n          return g.tags.toString().match(re);\n        };\n      } else {\n        c.filters.search = false;\n      }\n      c.computeGroups();\n    };\n\n    /**\n    * ### sortBy\n    *\n    * `c.sortBy` function sort pads by the `field` argument.\n    * If already sorted by the same field, it reverses order.\n    */\n\n    window.c = c;\n    c.sortField = m.prop(sortingPreferences.groupByField());\n    c.sortAsc   = m.prop(sortingPreferences.groupAsc());\n    c.sortBy    = function (field) {\n      if (c.sortField() === field) { c.sortAsc(!c.sortAsc()); }\n      c.sortField(field);\n      var direction = c.sortAsc() ? 'asc' : 'desc';\n      c.groups      = ld.transform(c.groups, function (memo, groups, type) {\n        memo[type] = ld.sortByOrder(groups, field, direction);\n      });\n      sortingPreferences.updateValues({\n        groupByField: c.sortField(),\n        groupAsc: c.sortAsc()\n      });\n    };\n\n    /**\n    * ### computeGroups\n    *\n    * `computeGroups` is an internal function that computed groups according to\n    * list view needs. It :\n    *\n    * - filters according to `c.filters`\n    * - takes model.groups() and creates a new object with separate bookmared,\n    *   archived and normal groups\n    * - sets `c.groups` for usage in view.\n    */\n\n    c.computeGroups = function () {\n      c.groups = ld(model.groups()).values().sortBy(c.sortField()).value();\n      if (!c.sortAsc()) {\n        c.groups.reverse();\n      }\n      var userGroups = u().bookmarks.groups;\n      c.groups = ld.reduce(c.groups, function (memo, g) {\n        for (var k in c.filters) {\n          if (c.filters[k]) {\n            if (!c.filters[k](g)) { return memo; }\n          }\n        }\n        if (ld.includes(userGroups, g._id) && !g.archived) {\n          memo.bookmarked.push(g);\n        } else if (g.readonly || g.archived) {\n          memo.archived.push(g);\n        } else {\n          memo.normal.push(g);\n        }\n        return memo;\n      }, { bookmarked: [], archived: [], normal: [] });\n    };\n\n    // Bootstrapping\n    if (ld.isEmpty(model.groups())) {\n      model.fetch(c.computeGroups);\n    } else {\n      c.computeGroups();\n    }\n\n    return c;\n  };\n\n  /**\n  * ## Views\n  *\n  */\n\n  var view = {};\n\n  view.sort = function (c) {\n    var btn = function (field, txt) {\n      return m('button.btn.btn-default.btn-xs', {\n        class: (c.sortField() === field) ? ' btn-info': '',\n        onclick: ld.partial(c.sortBy, field)\n      }, [\n        m('span', txt+' '),\n        m('i.small.glyphicon glyphicon-triangle-' +\n          (c.sortAsc() ? 'top' : 'bottom'))\n      ]);\n    };\n    return m('section.sort', [\n      m('h3', [\n        m('span', conf.LANG.GROUP.SORT.TITLE),\n        m('i.mp-tooltip.glyphicon glyphicon-info-sign',\n          { 'data-msg': conf.LANG.GROUP.SORT.HELP })\n      ]),\n      m('ul.list-inline', [\n        m('li', [ btn('ctime', conf.LANG.GROUP.PAD.SORT_BY_CREATION) ]),\n        m('li', [ btn('name', conf.LANG.GROUP.PAD.SORT_BY_NAME) ]),\n      ])\n    ]);\n  };\n\n  view.search = function (c) {\n    return m('section.search', [\n      m('h3', [\n        m('span', conf.LANG.GROUP.SEARCH.TITLE),\n        m('i.mp-tooltip.glyphicon glyphicon-info-sign',\n          { 'data-msg': conf.LANG.GROUP.SEARCH.HELP })\n      ]),\n      m('.input-group', [\n        m('input.form-control', {\n          type: 'search',\n          placeholder: conf.LANG.GROUP.SEARCH.TYPE,\n          minlength: 3,\n          pattern: '.{3,}',\n          value: c.search(),\n          oninput: m.withAttr('value', c.search),\n          onkeydown: function (e) {\n            if (e.keyCode === 13) { // ENTER\n              e.preventDefault();\n              c.filterSearch();\n            }\n          }\n        }),\n        m('span.input-group-btn',\n          m('button.btn.btn-default',\n            { type: 'button', onclick: c.filterSearch },\n            conf.LANG.USER.OK)\n        ),\n      ])\n    ]);\n  };\n\n  view.filters = function (c) {\n    return m('section.filter', [\n      m('h3', [\n        m('span', conf.LANG.GROUP.FILTERS.TITLE),\n        m('i.mp-tooltip.glyphicon glyphicon-info-sign',\n          { 'data-msg': conf.LANG.GROUP.FILTERS.HELP })\n      ]),\n      m('ul.list-unstyled', [\n        m('li', [\n          m('button.btn.btn-default.btn-xs.btn-block',\n            {\n              class: 'admin' + (c.filters.admins ? ' btn-info' : ''),\n              onclick: ld.partial(c.filterToggle, 'admins')\n            },\n            conf.LANG.GROUP.FILTERS.ADMIN)\n        ]),\n        m('li', [\n          m('button.btn.btn-default.btn-xs.btn-block',\n            {\n              class: 'user' + (c.filters.users ? ' btn-info' : ''),\n              onclick: ld.partial(c.filterToggle, 'users')\n            },\n          conf.LANG.GROUP.FILTERS.USER)\n        ]),\n        m('li', [\n          (function () {\n            return ld.map(['restricted', 'private', 'public'], function (f) {\n              return m('button.btn.btn-default.btn-xs.btn-block',\n                {\n                  class: 'user' + ((c.filterVisibVal === f) ? ' btn-info' : ''),\n                  onclick: ld.partial(c.filterVisibility, f)\n                }, conf.LANG.GROUP.FIELD.VISIBILITY + ' : ' +\n                  conf.LANG.GROUP.FIELD[f.toUpperCase()]);\n            });\n          })()\n        ])\n      ])\n    ]);\n  };\n\n  view.tags = function (c) {\n    return m('section.tag', [\n      m('h3', [\n        m('span', conf.LANG.GROUP.TAGS.TITLE),\n        m('i.mp-tooltip.glyphicon glyphicon-info-sign',\n          { 'data-msg': conf.LANG.GROUP.TAGS.HELP })\n      ]),\n      m('ul.list-inline', ld.map(model.tags(), function (t) {\n        return m('li', [\n          m('button.btn.btn-default.btn-xs',\n            {\n              class: (c.filters[t] ? 'btn-info': ''),\n              onclick: ld.partial(c.filterTag, t)\n            },\n            t)\n        ]);\n      }))\n    ]);\n  };\n\n  view.aside = function (c) {\n    var views = [ view.search(c), view.sort(c) ];\n    if (!conf.SERVER.allPadsPublicsAuthentifiedOnly) { views.push(view.filters(c)); }\n    views.push(view.tags(c));\n    return m('section.group-aside', views);\n  };\n\n  view.group = function (c, g) {\n    var padRoute     = '/mypads/group/' + g._id;\n    var isBookmarked = (ld.includes(u().bookmarks.groups, g._id));\n    var GROUP        = conf.LANG.GROUP;\n    var isAdmin      = ld.includes(g.admins, u()._id);\n    var actions      = [\n      (function () {\n        if (g.visibility !== 'restricted' || conf.SERVER.allPadsPublicsAuthentifiedOnly) {\n          return m('button.btn.btn-default.btn-xs', {\n            type: 'button',\n            onclick: padShare.bind(c, g._id, null),\n            title: conf.LANG.GROUP.SHARE\n          }, [ m('i.glyphicon.glyphicon-link') ]);\n        }\n      })()\n    ];\n    if (isAdmin) {\n      actions.push(m('a.btn.btn-default.btn-xs', {\n        href: padRoute + '/edit',\n        config: m.route,\n        title: conf.LANG.MENU.CONFIG\n      }, [ m('i.glyphicon glyphicon-wrench') ]),\n      m('a.btn.btn-default.btn-xs', {\n        href: padRoute + '/remove',\n        config: m.route,\n        title: conf.LANG.GROUP.REMOVE\n      }, [ m('i.glyphicon.glyphicon-trash.text-danger') ]));\n    }\n    return m('tr', [\n      m('th', [\n        m('p.pull-right', actions),\n        m('a.btn.btn-link.btn-lg', {\n          onclick: groupMark.bind(c, g, c.computeGroups),\n          href: '/mypads',\n          config: m.route,\n          title: (isBookmarked ? GROUP.UNMARK : GROUP.BOOKMARK)\n        }, [\n          m('i',\n            { class: 'glyphicon glyphicon-star' +\n              (isBookmarked ? '' : '-empty') })\n        ]),\n        m('a', {\n          href: '/mypads/group/' + g._id + '/view',\n          config: m.route,\n          title: conf.LANG.GROUP.VIEW_MANAGE\n        }, g.name)\n      ]),\n      m('td', [\n        ld.size(g.pads), (function () {\n        var icons = [];\n        if (isAdmin) {\n          icons.push(m('a.btn.btn-default.btn-xs.pull-right',\n            { href: padRoute + '/pad/add', config: m.route },\n            [ m('i.glyphicon.glyphicon-plus.text-success',\n                { title: conf.LANG.GROUP.PAD.ADD })\n            ])\n          );\n        }\n          return icons;\n        })()\n      ]),\n      (conf.SERVER.allPadsPublicsAuthentifiedOnly) ? null : m('td', conf.LANG.GROUP.FIELD[g.visibility.toUpperCase()]),\n      (conf.SERVER.allPadsPublicsAuthentifiedOnly) ? null : m('td', [ ld.size(g.admins), (function () {\n        if (isAdmin) {\n          return m('a.btn.btn-default.btn-xs.pull-right',\n            { href: padRoute + '/user/share', config: m.route },\n            [ m('i.glyphicon.glyphicon-plus.text-success',\n              { title: conf.LANG.GROUP.SHARE_ADMIN })\n            ]);\n        }\n      })()\n      ]),\n      (conf.SERVER.allPadsPublicsAuthentifiedOnly) ? null : m('td', [\n        (function () {\n          if (g.visibility === 'restricted') {\n            return [\n              ld.size(g.users),\n              (function () {\n                if (isAdmin) {\n                  return m(\n                    'a.btn.btn-default.btn-xs.pull-right',\n                    { href: padRoute + '/user/invite', config: m.route },\n                    [\n                      m('i.glyphicon.glyphicon-plus.text-success',\n                        { title: conf.LANG.GROUP.INVITE_USER.IU })\n                    ]\n                  );\n                }\n              })()\n            ];\n          }\n        })()\n      ]),\n      m('td', [\n        m('ul.list-inline', ld.map(g.tags, function (t) {\n          return m('li.label.label-default', {\n            class: (c.filters[t] ? 'label-info' : ''),\n            onclick: ld.partial(c.filterTag, t)\n          }, t);\n        }))\n      ])\n    ]);\n  };\n\n  view._groups = function (c, type) {\n    return ld.map(c.groups[type], ld.partial(view.group, c));\n  };\n  view.groups     = ld.partialRight(view._groups, 'normal');\n  view.bookmarked = ld.partialRight(view._groups, 'bookmarked');\n  view.archived   = ld.partialRight(view._groups, 'archived');\n\n  view.main = function (c) {\n    return m('section', [\n      m('h2', [\n        m('span', conf.LANG.GROUP.MYGROUPS),\n        m('i.mp-tooltip.glyphicon glyphicon-info-sign',\n          { 'data-msg': conf.LANG.GROUP.HELP }),\n        m('a.btn.btn-primary.pull-right', {\n          href: '/mypads/group/add',\n          config: m.route\n        }, [\n          m('span', conf.LANG.GROUP.ADD)\n        ])\n      ]),\n      m('section.panel.panel-primary', [\n        m('.panel-heading',\n          m('h3.panel-title', conf.LANG.GROUP.GROUPS)\n        ),\n        m('table.table.table-stripped.table-bordered', [\n          m('thead',\n            m('tr', [\n              m('th', {scope: 'col'}, conf.LANG.GROUP.GROUPS),\n              m('th', {scope: 'col'}, conf.LANG.GROUP.PAD.PADS),\n              (conf.SERVER.allPadsPublicsAuthentifiedOnly) ? null : m(\n                'th',\n                {scope: 'col', title: conf.LANG.GROUP.PAD.VISIBILITY},\n                m('i.glyphicon.glyphicon-eye-open',\n                  m('span.sr-only', conf.LANG.GROUP.PAD.VISIBILITY)\n                )\n              ),\n              (conf.SERVER.allPadsPublicsAuthentifiedOnly) ? null : m(\n                'th',\n                {scope: 'col', title: conf.LANG.GROUP.PAD.ADMINS},\n                m('i.glyphicon.glyphicon-knight',\n                  m('span.sr-only', conf.LANG.GROUP.PAD.ADMINS)\n                )\n              ),\n              (conf.SERVER.allPadsPublicsAuthentifiedOnly) ? null : m(\n                'th',\n                {scope: 'col', title: conf.LANG.GROUP.PAD.USERS},\n                m('i.glyphicon.glyphicon-user',\n                  m('span.sr-only', conf.LANG.GROUP.PAD.USERS)\n                )\n              ),\n              m('th', {scope: 'col'}, conf.LANG.GROUP.TAGS.TITLE),\n            ])\n          ),\n          m('tbody', [\n            view.bookmarked(c),\n            view.groups(c)\n\n          ])\n        ])\n      ]),\n      m('section.panel.panel-default', [\n        m('.panel-heading',\n          m('h3.panel-title', conf.LANG.GROUP.ARCHIVED)\n        ),\n        m('table.table.table-stripped.table-bordered', [\n          m('thead',\n            m('tr', [\n              m('th', {scope: 'col'}, conf.LANG.GROUP.GROUPS),\n              m('th', {scope: 'col'}, conf.LANG.GROUP.PAD.PADS),\n              (conf.SERVER.allPadsPublicsAuthentifiedOnly) ? null : m(\n                'th',\n                {scope: 'col', title: conf.LANG.GROUP.PAD.VISIBILITY},\n                m('i.glyphicon.glyphicon-eye-open',\n                  m('span.sr-only', conf.LANG.GROUP.PAD.VISIBILITY)\n                )\n              ),\n              (conf.SERVER.allPadsPublicsAuthentifiedOnly) ? null : m(\n                'th',\n                {scope: 'col', title: conf.LANG.GROUP.PAD.ADMINS},\n                m('i.glyphicon.glyphicon-knight',\n                  m('span.sr-only', conf.LANG.GROUP.PAD.ADMINS)\n                )\n              ),\n              (conf.SERVER.allPadsPublicsAuthentifiedOnly) ? null : m(\n                'th',\n                {scope: 'col', title: conf.LANG.GROUP.PAD.USERS},\n                m('i.glyphicon.glyphicon-user',\n                  m('span.sr-only', conf.LANG.GROUP.PAD.USERS)\n                )\n              ),\n              m('th', {scope: 'col'}, conf.LANG.GROUP.TAGS.TITLE),\n            ])\n          ),\n          m('tbody', [\n            view.archived(c)\n          ])\n        ])\n      ])\n    ]);\n  };\n\n  group.view = function (c) {\n    return layout.view(view.main(c), view.aside(c));\n  };\n\n  return group;\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Home module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module contains the home of MyPads.\n*/\n\nmodule.exports = (function () {\n  // Global dependencies\n  var m = require('mithril');\n\n  // Local dependencies\n  var auth   = require('../auth.js');\n  var layout = require('./layout.js');\n\n  var home = {\n    controller: function () {\n      if (auth.isAdmin()) {\n        return m.route('/admin');\n      }\n      if (auth.isAuthenticated()) {\n        return m.route('/mypads');\n      }\n      m.route('/login');\n    },\n    view: function () {\n      return layout.view(m('p', 'empty home'), m('p', 'empty aside'));\n    }\n  };\n\n  return home;\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Layout\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module contains the main layout of MyPads application.\n*/\n\nmodule.exports = (function () {\n  // Dependencies\n  var m         = require('mithril');\n  var ld        = require('lodash');\n  var conf      = require('../configuration.js');\n  var auth      = require('../auth.js');\n  var notif     = require('../widgets/notification.js');\n  var expandPad = require('../helpers/expandPad.js');\n\n  var layout = {};\n\n  var views = {};\n\n  /**\n  * ## Internal views\n  *\n  * ### menuMain\n  *\n  * Returns views for auth and unauth.\n  */\n\n  views.menuMain = function () {\n    var _routes = {\n      auth: [\n        {\n          route: '/mypads',\n          icon: 'duplicate',\n          txt: conf.LANG.MENU.PAD\n        },\n        {\n          route: '/mybookmarks',\n          icon: 'star',\n          txt: conf.LANG.MENU.BOOKMARK\n        },\n        {\n          route: '/myuserlists',\n          icon: 'user',\n          txt: conf.LANG.MENU.USERLIST\n        },\n        {\n          route: '/myprofile',\n          icon: 'home',\n          txt: conf.LANG.MENU.PROFILE\n        },\n        {\n          route: '/logout',\n          icon: 'off',\n          txt: conf.LANG.MENU.LOGOUT\n        }\n      ],\n      admin: [\n        {\n          route: '/admin',\n          icon: 'wrench',\n          txt: conf.LANG.MENU.CONFIG\n        },\n        {\n          route: '/admin/users',\n          icon: 'user',\n          txt: conf.LANG.MENU.USERS\n        },\n        {\n          route: '/admin/logout',\n          icon: 'off',\n          txt: conf.LANG.MENU.LOGOUT\n        }\n      ],\n      unauth: [\n        {\n          route: '/login',\n          icon: 'lock',\n          txt: conf.LANG.USER.LOGIN\n        },\n        {\n          route: '/subscribe',\n          icon: 'user',\n          txt: conf.LANG.USER.SUBSCRIBE\n        }\n      ]\n    };\n    if (conf.SERVER.authMethod !== 'internal' || conf.SERVER.openRegistration === false) {\n      _routes.unauth = [\n        {\n          route: '/login',\n          icon: 'lock',\n          txt: conf.LANG.USER.LOGIN\n        }\n      ];\n    }\n    var activeRoute = function (r) {\n      var isActive = (m.route().slice(0, r.route.length) === r.route);\n      if (m.route().indexOf('/admin') === 0) {\n        isActive = (m.route() === r.route);\n      }\n      return m('li', { class: (isActive ? 'active' : '') }, [\n        m('a', { href: r.route, config: m.route }, [\n          m('i', { class: 'glyphicon glyphicon-' + r.icon, title: r.txt }),\n          m('span', ' '+r.txt)\n        ])\n      ]);\n    };\n    if (auth.isAuthenticated()) {\n      if (!conf.SERVER.hideHelpBlocks && auth.userInfo().hideHelp) {\n        document.getElementsByTagName('body')[0].classList.add('hidehelpblocks');\n      }\n      return ld.map(_routes.auth, activeRoute);\n    } else if (auth.isAdmin()) {\n      return ld.map(_routes.admin, activeRoute);\n    } else {\n      return ld.map(_routes.unauth, activeRoute);\n    }\n  };\n  /*\n  * ## Layout View\n  *\n  * The main function, used by nearly all others, that fixes the layout DOM.\n  * It takes optional :\n  *\n  * - `main` vdom content;\n  * - `aside` vdom content.\n  */\n\n  var padViewRouteRegex = new RegExp('/mypads/group/[^/]*/pad/view/[^/]*');\n  var indexRouteRegex   = new RegExp('/mypads$');\n\n  layout.view = function (main, aside) {\n    var header  = 'header';\n    var footer  = 'footer.container.ombre';\n    var asideC  = 'aside.col-md-3.col-xs-12';\n    var mainC   = 'main.container.ombre';\n    var section = 'section.col-md-9.col-xs-12';\n    // If the user wants to expand pad and if we are on the view pad page\n    if (expandPad.wantExpandedPad() && m.route().match(padViewRouteRegex)) {\n      header  = header+'.hidden';\n      footer  = footer+'.hidden';\n      asideC  = asideC+'.hidden';\n      mainC   = 'main.container-fluid.ombre';\n      section = 'section.col-md-12.col-xs-12';\n    }\n    if (m.route().match(indexRouteRegex)) {\n      section = section+'.groupList';\n    }\n    return [\n      m(header, [\n        m('div.lang.container.form-inline', [\n          m('select.form-control', ld.reduce(conf.SERVER.languages,\n            function (memo, val, key) {\n              var opts = {\n                onclick: conf.updateLang.bind(null, key),\n                value: key\n              };\n              if (key === conf.USERLANG) {\n                opts.selected = 'selected';\n              }\n              memo.push(m('option', opts, val));\n              return memo;\n            }, [])\n          ),\n        ]),\n        m('div.container.ombre', [\n          m('h1', conf.SERVER.title),\n          m('hr.trait', {role: 'presentation'}),\n          m('nav', { class: 'menu-main' }, [\n            m('ul.nav.nav-tabs', views.menuMain())\n          ])\n        ])\n      ]),\n      m(mainC, [\n        m(section, { config: expandPad.autoExpand }, main || ''),\n        m(asideC, aside || '')\n      ]),\n      m('section', { class: 'notification' }, notif.view(notif.controller())),\n      m(footer, m('p', [\n        m('span', m.trust(conf.LANG.GLOBAL.FOOTER + ' | ')),\n        m('a', { href: '/admin', config: m.route }, conf.LANG.MENU.ADMIN)\n      ]))\n    ];\n  };\n\n  return layout;\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Login module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module contains the login markup.\n*/\n\nmodule.exports = (function () {\n  // Global dependencies\n  var m       = require('mithril');\n  var ld      = require('lodash');\n  var cookies = require('js-cookie');\n\n  // Local dependencies\n  var conf   = require('../configuration.js');\n  var auth   = require('../auth.js');\n  var form   = require('../helpers/form.js');\n  var notif  = require('../widgets/notification.js');\n  var layout = require('./layout.js');\n  var user   = require('./user.js');\n  var ready  = require('../helpers/ready.js');\n\n  var login = {};\n\n  /**\n  * ## Controller\n  *\n  * Used for module state and actions.\n  * And user submission.\n  *\n  */\n\n  login.controller = function () {\n    var c          = {};\n    document.title = conf.SERVER.title;\n    form.initFields(c, ['login', 'password']);\n\n    /**\n    * `submit` internal calls the public API to login with given login and\n    * password. It displays errors if needed or success and fixes local cached\n    * data for the user. It also updates UI lang if needed.\n    */\n\n    c.submit = function (e) {\n      e.preventDefault();\n      if (!c.data.login()) {\n        var $login = document.querySelector('input[name=login]');\n        c.data.login($login.value);\n      }\n      if (!c.data.password()) {\n        var $pass = document.querySelector('input[name=password]');\n        c.data.password($pass.value);\n      }\n      m.request({\n        method: 'POST',\n        url: conf.URLS.LOGIN,\n        data: c.data\n      }).then(login.getLogged,\n      function (err) {\n        notif.error({ body: ld.result(conf.LANG, err.error) });\n      });\n    };\n    return c;\n  };\n\n  /**\n  * ## Views\n  *\n  * Nothing special here, just simple `main` and `form` views.\n  */\n\n  var view = {};\n\n  view.form = function (c) {\n    var login                   = user.view.field.login(c);\n    login.input.attrs.config    = form.focusOnInit;\n    login.input.attrs.maxlength = 40;\n    login.label.attrs.class     = 'col-sm-4';\n    var password                = user.view.field.password(c);\n    var passwordBlock           = [ password.input ];\n    if (conf.SERVER.authMethod === 'internal') {\n      passwordBlock.push(\n        m('p.help-block', [\n          m('a', {\n            href: '/passrecover',\n            config: m.route\n          }, conf.LANG.USER.PASSWORD_LOST)\n        ])\n      );\n    }\n\n    if (conf.SERVER.authMethod !== 'cas') {\n      return m('form.form-horizontal.col-sm-8.col-sm-offset-2.well', {\n        id: 'login-form', onsubmit: c.submit }, [\n        m('div', {\n          id: 'hide-when-ready',\n          config: ready.checkLoop\n        }, conf.LANG.USER.PLEASE_WAIT),\n        m('fieldset.show-when-ready.hidden', [\n          m('legend', conf.LANG.USER.MYPADS_ACCOUNT),\n          m('.form-group', [\n            login.label,\n            m('.col-sm-7', login.input)\n          ]),\n          m('.form-group', [\n            password.label,\n            m('.col-sm-7', passwordBlock)\n          ]),\n          m('input.btn.btn-success.pull-right', {\n            form: 'login-form',\n            type: 'submit',\n            value: conf.LANG.USER.LOGIN\n          })\n        ])\n      ]);\n    }\n  };\n\n  view.main = function (c) {\n    var children = [ m('span', conf.LANG.USER.FORM) ];\n    var msgs     = conf.SERVER.loginMsg;\n    var message;\n    if (typeof(msgs) !== 'undefined') {\n      if (typeof(msgs[conf.USERLANG]) !== 'undefined' && msgs[conf.USERLANG] !== '') {\n        message = m('article', {class: 'alert bg-danger'}, m.trust(msgs[conf.USERLANG]));\n      } else if (typeof(msgs.en) !== 'undefined' && msgs.en !== '') {\n        // fallback to english\n        message = m('article', {class: 'alert bg-danger'}, m.trust(msgs.en));\n      }\n    }\n    if (conf.SERVER.openRegistration && conf.SERVER.authMethod === 'internal') {\n      children.push(m('a.small',\n        { href: '/subscribe', config: m.route },\n        conf.LANG.USER.ORSUB)\n      );\n    }\n    var opts = { class: 'user' };\n    if (conf.SERVER.authMethod === 'cas' && typeof auth.userInfo() === 'undefined') {\n      opts.config = login.casLogin;\n    }\n    var mainArray = [m('h2', children)];\n    if (typeof(message) !== 'undefined') {\n      mainArray.push(message);\n    }\n    mainArray.push(view.form(c));\n    return m('section', opts, mainArray);\n  };\n\n  login.view = function (c) {\n    return layout.view(view.main(c), user.view.aside.common(c));\n  };\n\n  login.casLogin = function (element, isInitialized) {\n    if (isInitialized) { return; }\n\n    var params = window.location.search.substring(1);\n    var ticket = params.match(new RegExp('.*&ticket=([^&]*).*'));\n    if (!ld.isNull(ticket)) {\n      m.request({\n        method: 'POST',\n        url: conf.URLS.CASLOGIN,\n        data: {ticket: ticket[1]}\n      }).then(login.getLogged,\n      function (err) {\n        notif.error({ body: ld.result(conf.LANG, err.error) });\n      });\n    } else {\n      var loc         = window.location;\n      var service     = encodeURIComponent(loc.origin+loc.pathname+'?/login');\n      window.location = conf.SERVER.authCasSettings.serverUrl+'/login?service='+service;\n    }\n  };\n\n  login.getLogged = function (resp) {\n    auth.userInfo(resp.user);\n    localStorage.setItem('token', resp.token);\n\n    /*\n     * Fix pad authorship mixup\n     * See https://framagit.org/framasoft/ep_mypads/issues/148\n     */\n    var myPadsAuthorCookie = resp.user.eplAuthorToken;\n    if (myPadsAuthorCookie) {\n      // 60 days\n      cookies.set('token', myPadsAuthorCookie, { expires: 60 });\n    } else {\n      var browserAuthorCookie = cookies('token');\n      if (browserAuthorCookie) {\n        // 365 days\n        cookies.set('token-' + resp.user.login, browserAuthorCookie, { expires: 365 });\n      }\n    }\n\n    var lang = auth.userInfo().lang;\n    if (lang !== conf.USERLANG) {\n      conf.updateLang(lang);\n    }\n    document.title = ' - ' + conf.LANG.USER.AUTH.WELCOME + ' ' +\n      resp.user.login + conf.SERVER.title;\n    notif.success({ body: conf.LANG.USER.AUTH.SUCCESS });\n\n    var unauthUrl = conf.unauthUrl();\n    if (!ld.isEmpty(unauthUrl)) {\n      window.location = unauthUrl;\n    } else {\n      m.route('/');\n    }\n  };\n  return login;\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Home module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module contains the logout logic.\n*/\n\nmodule.exports = (function () {\n  // Global dependencies\n  var m       = require('mithril');\n  var ld      = require('lodash');\n  var cookies = require('js-cookie');\n\n  // Local dependencies\n  var conf  = require('../configuration.js');\n  var auth  = require('../auth.js');\n  var model = require('../model/group.js');\n  var notif = require('../widgets/notification.js');\n\n  var logout = {\n    /**\n    * `controller` calls the API for logout and returns either :\n    *\n    * - an error noticiation if the user was not authenticated\n    * - a success notification if he was, with updates of local cached data\n    */\n\n    controller: function () {\n      if (!auth.isAuthenticated()) { return m.route('/login'); }\n      m.request({\n        method: 'GET',\n        url: conf.URLS.LOGOUT,\n        config: auth.fn.xhrConfig\n      }).then(function () {\n        /*\n         * Fix pad authorship mixup\n         * See https://framagit.org/framasoft/ep_mypads/issues/148\n         */\n        if (cookies.get('token')) {\n          cookies.set('token-' + auth.userInfo().login, cookies.get('token'), { expires: 365 });\n          cookies.remove('token');\n        }\n\n        if (!conf.SERVER.hideHelpBlocks && auth.userInfo().hideHelp) {\n          document.getElementsByTagName('body')[0].classList.remove('hidehelpblocks');\n        }\n        auth.userInfo(null);\n        localStorage.removeItem('token');\n        model.init();\n        document.title = conf.SERVER.title;\n        if (conf.SERVER.authMethod === 'cas') {\n          var cas         = conf.SERVER.authCasSettings;\n          window.location = cas.logoutUrl || cas.serverUrl+'/logout';\n        } else {\n          notif.success({ body: conf.LANG.USER.AUTH.SUCCESS_OUT });\n          m.route('/');\n        }\n      }, function (err) {\n        notif.error({ body: ld.result(conf.LANG, err.error) });\n        m.route('/');\n      });\n    },\n    view: function () {}\n  };\n\n  return logout;\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Pad creation and edition module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  Short module for pad adding and updating by name\n*/\n\nmodule.exports = (function () {\n  'use strict';\n  // Dependencies\n  var m      = require('mithril');\n  var ld     = require('lodash');\n  var auth   = require('../auth.js');\n  var layout = require('./layout.js');\n  var form   = require('../helpers/form.js');\n  var group  = require('./group-form.js');\n  var conf   = require('../configuration.js');\n  var model  = require('../model/group.js');\n  var notif  = require('../widgets/notification.js');\n\n  var pf = {};\n\n  /**\n  * ## Controller\n  *\n  * Used for authentication enforcement and confirmation before removal. In all\n  * cases, redirection to parent group view.\n  */\n\n  pf.controller = function () {\n    if (!auth.isAuthenticated()) {\n      conf.unauthUrl(true);\n      return m.route('/login');\n    }\n    var c = { groupParams: m.prop(true) };\n\n    var key  = m.route.param('pad');\n    var gkey = m.route.param('group');\n\n    var init = function () {\n      c.addView      = m.prop(!key);\n      document.title = (c.addView() ? conf.LANG.GROUP.PAD.ADD :\n        conf.LANG.GROUP.PAD.EDIT);\n      document.title += ' - ' + conf.SERVER.title;\n\n      c.fields = ['name', 'visibility', 'password', 'readonly'];\n      form.initFields(c, c.fields);\n      c.group = model.groups()[gkey];\n      if (!c.addView()) {\n        c.pad = model.pads()[key];\n        ld.map(ld.keys(c.pad), function (f) {\n            c.data[f] = m.prop(c.pad[f]);\n        });\n        var ownFields   = [ c.data.visibility(), c.data.readonly() ];\n        c.groupParams   = m.prop(ld.every(ownFields, ld.isNull));\n        c.data.password = m.prop('');\n      }\n    };\n\n    if (ld.isEmpty(model.groups())) { model.fetch(init); } else { init(); }\n\n    c.submit = function (e) {\n      e.preventDefault();\n      var opts = (function () {\n        if (c.addView()) {\n          return {\n            method: 'POST',\n            url: conf.URLS.PAD,\n            successMsg: conf.LANG.GROUP.INFO.PAD_ADD_SUCCESS\n          };\n        } else {\n          return {\n            method: 'PUT',\n            url: conf.URLS.PAD + '/' + key,\n            successMsg: conf.LANG.GROUP.INFO.PAD_EDIT_SUCCESS\n          };\n        }\n      })();\n      if (c.groupParams()) {\n        c.data.visibility(null);\n        c.data.password(null);\n        c.data.readonly(null);\n      }\n      c.data.group = m.prop(gkey);\n      m.request({\n        method: opts.method,\n        url: opts.url,\n        data: ld.assign(c.data, { auth_token: auth.token() })\n      }).then(function (resp) {\n        var pads       = model.pads();\n        pads[resp.key] = resp.value;\n        model.pads(pads);\n        if (c.addView()) {\n          var groups = model.groups();\n          groups[gkey].pads.push(resp.key);\n          model.groups(groups);\n        }\n        notif.success({ body: opts.successMsg });\n        m.route('/mypads/group/' + gkey + '/view');\n      }, function (err) {\n        notif.error({ body: ld.result(conf.LANG, err.error) });\n      });\n    };\n\n    return c;\n  };\n\n  /**\n  * ## Views\n  */\n\n  var view = {};\n\n  /**\n  * ### groupParams field\n  */\n\n  view.groupParams = function (c) {\n    var G = conf.LANG.GROUP;\n    var icon = m('i', {\n      class: 'mp-tooltip glyphicon glyphicon-info-sign',\n      'data-msg': G.INFO.GROUP_PARAMS\n    });\n    return {\n      label: m('label', [\n        m('input', {\n          name: 'groupParams',\n          type: 'checkbox',\n          checked: c.groupParams(),\n          onchange: m.withAttr('checked', c.groupParams)\n        }),\n        G.FIELD.GROUP_PARAMS,\n        icon\n      ]),\n      icon: icon\n    };\n  };\n\n  /**\n  * ### form view\n  *\n  * Classic view with all fields and changes according to the view.\n  */\n\n  view.form = function (c) {\n    var name = group.views.field.name(c);\n    ld.assign(name.input.attrs, { config: form.focusOnInit });\n    var isGroupRestricted = (c.group.visibility === 'restricted');\n    var visibility        = group.views.field.visibility(c, isGroupRestricted);\n    ld.assign(visibility.label.attrs, { style: 'clear: left;' });\n    var password    = group.views.field.password(c);\n    var readonly    = group.views.field.readonly(c);\n    var groupParams = view.groupParams(c);\n\n    var fields = [\n      m('.form-group', [\n        name.label,\n        m('.col-sm-7', name.input)\n      ]),\n    ];\n    if (!conf.SERVER.allPadsPublicsAuthentifiedOnly) {\n      fields.push(\n        m('.form-group', [\n          m('.col-sm-7.col-sm-offset-4', [\n            m('.checkbox', [\n              groupParams.label,\n            ])\n          ])\n        ])\n      );\n    }\n\n    if (!c.groupParams()) {\n      if (!conf.SERVER.allPadsPublicsAuthentifiedOnly) {\n        fields.push(\n          m('.form-group', [\n            visibility.label,\n            m('.col-sm-7', visibility.select)\n          ])\n        );\n      }\n      if (c.data.visibility() === 'private') {\n        fields.push(\n          m('.form-group', [\n            password.label,\n            m('.col-sm-7', password.input)\n          ])\n        );\n      }\n      if (!c.addView()) {\n        fields.push(\n          m('.form-group', [\n            m('.col-sm-7.col-sm-offset-4', [\n              m('.checkbox', [\n                readonly.label\n              ])\n            ])\n          ])\n        );\n      }\n    }\n\n    return m('form.form-horizontal', {\n      id: 'pad-form',\n      onsubmit: c.submit\n    }, [\n      m('fieldset', [\n        m('legend', conf.LANG.GROUP.PAD.PAD),\n        m('div', fields)\n      ]),\n      m('input.btn.btn-success.pull-right', {\n        form: 'pad-form',\n        type: 'submit',\n        value: conf.LANG.ACTIONS.SAVE\n      })\n    ]);\n  };\n\n\n  /**\n  * ### main and global view\n  *\n  * Views with cosmetic and help changes according to the current page.\n  */\n\n  view.main = function (c) {\n    return m('section', { class: 'user group-form' }, [\n      m('h2',\n        c.addView() ? conf.LANG.GROUP.PAD.ADD : conf.LANG.GROUP.PAD.EDIT),\n      view.form(c)\n    ]);\n  };\n\n  view.aside = function () {\n    var help = conf.SERVER.allPadsPublicsAuthentifiedOnly ?\n      conf.LANG.GROUP.ADD_HELP_PUBLIC_ACCESS : conf.LANG.GROUP.ADD_HELP;\n    help += conf.LANG.GROUP.ADD_HELP_LABEL;\n    return m('section.user-aside', [\n      m('h2', conf.LANG.ACTIONS.HELP),\n      m('article.well', m.trust(help))\n    ]);\n  };\n\n  pf.view = function (c) {\n    return layout.view(view.main(c), view.aside(c));\n  };\n\n  return pf;\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Pad bookmarking module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  Short module for pad bookmark and unmark\n*/\n\nmodule.exports = (function () {\n  'use strict';\n  // Dependencies\n  var m     = require('mithril');\n  var ld    = require('lodash');\n  var auth  = require('../auth.js');\n  var conf  = require('../configuration.js');\n  var notif = require('../widgets/notification.js');\n  var model = require('../model/group.js');\n\n  /**\n  * ## Main function\n  *\n  * Takes a pad object and adds or removes it from the bookmarks of the\n  * current user. An optional `successFn` can be given, called with no\n  * argument after successfull operation.\n  */\n\n  return function (pad, successFn) {\n    var pid  = pad._id;\n    var user = auth.userInfo();\n    if (ld.includes(user.bookmarks.pads, pid)) {\n      ld.pull(user.bookmarks.pads, pid);\n    } else {\n      user.bookmarks.pads.push(pid);\n    }\n    if (typeof(model.bookmarks().pads[pid]) !== 'undefined') {\n      delete model.bookmarks().pads[pid];\n    } else {\n      model.bookmarks().pads[pid] = pad;\n    }\n    m.request({\n      url: conf.URLS.USERMARK,\n      method: 'POST',\n      data: { type: 'pads', key: pid, auth_token: auth.token() }\n    }).then(function () {\n      notif.success({ body: conf.LANG.GROUP.MARK_SUCCESS });\n      if (successFn) { successFn(); }\n    }, function (err) {\n      return notif.error({ body: ld.result(conf.LANG, err.error) });\n    });\n  };\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Pad migration from a group to another\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  Short module for pad adding and updating by name\n*/\n\nmodule.exports = (function () {\n  'use strict';\n  // Dependencies\n  var m      = require('mithril');\n  var ld     = require('lodash');\n  var auth   = require('../auth.js');\n  var conf   = require('../configuration.js');\n  var model  = require('../model/group.js');\n  var notif  = require('../widgets/notification.js');\n  var layout = require('./layout.js');\n\n  var move = {};\n\n  /**\n  * ## Controller\n  *\n  * Used for authentication enforcement, model initialization and\n  * pre-calculation of available groups (where user is admin and where the\n  * group is not the same as the former one);\n  */\n\n  move.controller = function () {\n    if (!auth.isAuthenticated()) {\n      conf.unauthUrl(true);\n      return m.route('/login');\n    }\n    document.title = conf.LANG.GROUP.PAD.MOVE_TITLE + ' - ' + conf.SERVER.title;\n\n    var c   = { data: { newGroup: m.prop() } };\n    var gid = m.route.param('group');\n\n    var init = function () {\n      c.selectedGroups = ld(model.groups())\n        .values()\n        .filter(function (g) {\n          var isAdmin = ld.includes(g.admins, auth.userInfo()._id);\n          return (isAdmin && (g._id !== gid));\n        })\n        .value();\n      c.noSelectedPads = m.prop(true);\n      c.group = model.groups()[gid];\n    };\n\n    if (ld.isEmpty(model.groups())) { model.fetch(init); } else { init(); }\n\n    /**\n    * ### c.movePads\n    *\n    * `c.movePads` is a non-optimized function that uses multiple API PUT to\n    * effectively change the group. It takes care of updating the local indexed\n    * for groups and pads.\n    */\n\n    c.movePads = function (e) {\n      e.preventDefault();\n      var _pads = ld.clone(model.pads(), true);\n      var pads  = ld.reduce(model.pads(), function (memo, p, k) {\n        if (p.group === gid && document.querySelectorAll('input.pad-to-move[name=\"'+p._id+'\"]:checked').length > 0) {\n          p.group = c.data.newGroup();\n          _pads[k] = p;\n          memo.push(p);\n        }\n        return memo;\n      }, []);\n      var done;\n      var updatePad = function (p) {\n        m.request({\n          method: 'PUT',\n          url: conf.URLS.PAD + '/' + p._id,\n          data: ld.assign(p, { auth_token: auth.token() })\n        }).then(done, function (err) {\n          notif.error({ body: ld.result(conf.LANG, err.error) });\n        });\n      };\n      done = function (resp) {\n        if (resp) {\n          ld.pull(model.groups()[gid].pads, resp.key);\n          model.groups()[c.data.newGroup()].pads.push(resp.key);\n        }\n        if (pads.length) {\n          updatePad(pads.pop());\n        } else {\n          model.pads(_pads);\n          notif.success({ body: conf.LANG.GROUP.INFO.PAD_MOVE_SUCCESS });\n          m.route('/mypads/group/' + c.data.newGroup() + '/view');\n        }\n      };\n      done();\n    };\n\n    return c;\n  };\n\n  /**\n  * ## Views\n  */\n\n  var view = {};\n\n  /**\n  * ### group field\n  *\n  * A selection fields of groups where user is the admin.\n  * Composed with a label, input and icon\n  */\n\n  view.groups = function (c) {\n    var label = m('label.col-sm-4', { for: 'group' },\n      conf.LANG.GROUP.MYGROUPS);\n    var select = (function () {\n      var options = ld.map(c.selectedGroups, function (g) {\n        return m('option', { value: g._id }, g.name);\n      });\n      if (options.length > 0) {\n        options.splice(0, 0, m('option'));\n        return m('select.form-control', {\n          name: 'group',\n          required: true,\n          value: c.data.newGroup(),\n          onchange: m.withAttr('value', c.data.newGroup)\n        }, options);\n      } else {\n        return m('div', conf.LANG.GROUP.INFO.PAD_MOVE_NOGROUP);\n      }\n    })();\n    var icon = m('i', {\n      class: 'mp-tooltip glyphicon glyphicon-info-sign',\n      'data-msg': conf.LANG.GROUP.INFO.PAD_MOVE\n    });\n    return { label: label, icon: icon, select: select };\n  };\n\n  view.pads = function (c) {\n    var pads = [];\n    var gid  = m.route.param('group');\n    ld.forEach(model.pads(), function(p) {\n      if (p.group === gid) {\n        pads.push(m('.checkbox', [\n          m('label', [\n            m('input.pad-to-move[type=\"checkbox\"]', {\n              name: p._id,\n              onchange: function() {\n                c.noSelectedPads(document.querySelectorAll('input.pad-to-move:checked').length === 0);\n              }\n            }),\n            p.name\n          ])\n        ]));\n      }\n    });\n    return pads;\n  };\n\n  /**\n  * ### form\n  *\n  * Main form with unique field : group selection\n  */\n\n  view.form = function (c) {\n    var vg = view.groups(c);\n    var vp = view.pads(c);\n    var elements = [ m('.form-group', [\n        vg.label, vg.icon,\n        m('.col-sm-7', vg.select)\n      ])\n    ];\n    if (c.selectedGroups.length > 0) {\n      elements.push([\n        m('div', [\n          m('button.btn.btn-info.btn-sm', {\n            onclick: function(e) {\n              e.preventDefault();\n              var pads = document.querySelectorAll('input.pad-to-move');\n              [].forEach.call(pads, function(element) {\n                element.checked = true;\n              });\n              c.noSelectedPads(false);\n            },\n          }, conf.LANG.GROUP.PAD.SELECT_ALL),\n          m('span', ' '),\n          m('button.btn.btn-info.btn-sm', {\n            onclick: function(e) {\n              e.preventDefault();\n              var pads = document.querySelectorAll('input.pad-to-move');\n              [].forEach.call(pads, function(element) {\n                element.checked = false;\n              });\n              c.noSelectedPads(true);\n            },\n          }, conf.LANG.GROUP.PAD.DESELECT_ALL),\n        ]),\n        m('div', {\n          class: (c.noSelectedPads()) ? 'h3' : 'hidden'\n        }, [ m('b', conf.LANG.GROUP.PAD.SELECT_AT_LEAST_ONE_PAD) ]),\n        vp,\n        m('input.btn.btn-success.pull-right', {\n          form: 'padmove-form',\n          type: 'submit',\n          disabled: c.noSelectedPads(),\n          value: conf.LANG.ACTIONS.SAVE\n        })\n      ]);\n    }\n    return m('form.form-horizontal', {\n      id: 'padmove-form',\n      onsubmit: c.movePads\n    }, elements);\n  };\n\n  /**\n  * ### main and global view\n  *\n  * Views with cosmetic and help changes according to the current page.\n  */\n\n  view.main = function (c) {\n    var route = '/mypads/group/' + c.group._id;\n    return m('section', { class: 'padmove user group-form' }, [\n      m('h2', [\n        m('span', conf.LANG.GROUP.PAD.MOVE_TITLE),\n        m('a', {\n          href: route + '/view',\n          config: m.route,\n          title: conf.LANG.GROUP.VIEW\n        }, c.group.name )\n      ]),\n      view.form(c)\n    ]);\n  };\n\n  view.aside = function () {\n    return m('section.user-aside', [\n      m('h2', conf.LANG.ACTIONS.HELP),\n      m('article.well', m.trust(conf.LANG.GROUP.PAD.MOVE_HELP))\n    ]);\n  };\n\n  move.view = function (c) {\n    return layout.view(view.main(c), view.aside(c));\n  };\n\n\n  return move;\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Pad remove chat history module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  Short module for pad chat history removal\n*/\n\nmodule.exports = (function () {\n  'use strict';\n  // Dependencies\n  var m     = require('mithril');\n  var ld    = require('lodash');\n  var auth  = require('../auth.js');\n  var conf  = require('../configuration.js');\n  var notif = require('../widgets/notification.js');\n\n  var remove = {};\n\n  /**\n  * ## Controller\n  *\n  * Used for authentication enforcement and confirmation before removal. In all\n  * cases, redirection to parent group view.\n  */\n\n  remove.controller = function () {\n    if (!auth.isAuthenticated()) {\n      conf.unauthUrl(true);\n      return m.route('/login');\n    }\n    var key  = m.route.param('pad');\n    var gkey = m.route.param('group');\n    if (window.confirm(conf.LANG.GROUP.INFO.CHAT_HISTORY_REMOVE_SURE)) {\n      m.request({\n        method: 'DELETE',\n        url: conf.URLS.PAD + '/chathistory/' + key,\n        data: { auth_token: auth.token() }\n      }).then(function (resp) {\n        console.log(resp);\n        notif.success({ body: conf.LANG.GROUP.INFO.CHAT_HISTORY_REMOVE_SUCCESS });\n        m.route('/mypads/group/' + gkey + '/view');\n      }, function (err) {\n        notif.error({ body: ld.result(conf.LANG, err.error) });\n      });\n    } else {\n      m.route('/mypads/group/' + gkey + '/view');\n    }\n  };\n\n  remove.view = function () {};\n\n  return remove;\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Pad remove module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  Short module for pad removal\n*/\n\nmodule.exports = (function () {\n  'use strict';\n  // Dependencies\n  var m     = require('mithril');\n  var ld    = require('lodash');\n  var auth  = require('../auth.js');\n  var conf  = require('../configuration.js');\n  var model = require('../model/group.js');\n  var notif = require('../widgets/notification.js');\n\n  var remove = {};\n\n  /**\n  * ## Controller\n  *\n  * Used for authentication enforcement and confirmation before removal. In all\n  * cases, redirection to parent group view.\n  */\n\n  remove.controller = function () {\n    if (!auth.isAuthenticated()) {\n      conf.unauthUrl(true);\n      return m.route('/login');\n    }\n    var key  = m.route.param('pad');\n    var gkey = m.route.param('group');\n    if (window.confirm(conf.LANG.GROUP.INFO.PAD_REMOVE_SURE)) {\n      m.request({\n        method: 'DELETE',\n        url: conf.URLS.PAD + '/' + key,\n        data: { auth_token: auth.token() }\n      }).then(function (resp) {\n        var pads = model.pads();\n        delete pads[resp.key];\n        model.pads(pads);\n        var groups = model.groups();\n        ld.pull(groups[gkey].pads, key);\n        model.groups(groups);\n        notif.success({ body: conf.LANG.GROUP.INFO.PAD_REMOVE_SUCCESS });\n        m.route('/mypads/group/' + gkey + '/view');\n      }, function (err) {\n        notif.error({ body: ld.result(conf.LANG, err.error) });\n      });\n    } else {\n      m.route('/mypads/group/' + gkey + '/view');\n    }\n  };\n\n  remove.view = function () {};\n\n  return remove;\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Pad and group sharing module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  Short module for pad and group sharing\n*/\n\nmodule.exports = (function () {\n  'use strict';\n  // Dependencies\n  var conf = require('../configuration.js');\n\n  /**\n  * ## Main function\n  *\n  * Used to give the MyPads URL\n  */\n  return function (gid, pid) {\n    var l      = window.location;\n    var url    = l.protocol + '//' + l.host + l.pathname + '?/mypads/group/' + gid;\n    var suffix = (pid ? '/pad/view/' + pid : '/view');\n    window.prompt(conf.LANG.GROUP.SHARE_LINK, url + suffix);\n  };\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Group View module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module lists all pads linked to the group.\n*/\n\nmodule.exports = (function () {\n  'use strict';\n  // Global dependencies\n  var m      = require('mithril');\n  var ld     = require('lodash');\n  var encode = require('js-base64').Base64.encode;\n\n  // Local dependencies\n  var conf      = require('../configuration.js');\n  var auth      = require('../auth.js');\n  var layout    = require('./layout.js');\n  var model     = require('../model/group.js');\n  var padMark   = require('./pad-mark.js');\n  var padShare  = require('./pad-share.js');\n  var expandPad = require('../helpers/expandPad.js');\n  var ready     = require('../helpers/ready.js');\n\n  var pad = {};\n\n  /**\n  * ## Controller\n  */\n\n  pad.controller = function () {\n\n    var c = {\n      group: {},\n      pad: {},\n      sendPass: m.prop(false),\n      password: m.prop(''),\n      showIframe: m.prop(true)\n    };\n\n    c.isAuth    = auth.isAuthenticated();\n    c.isGuest   = !c.isAuth;\n    c.bookmarks = (c.isAuth ? auth.userInfo().bookmarks.pads : []);\n\n    c.gid = m.route.param('group');\n    c.pid = m.route.param('pad');\n\n    /**\n    * ## init function\n    *\n    * Gathers group and pad values from local cache.\n    * Admin should not need password when visibility is private.\n    */\n\n    var init = function (err) {\n      if (err) { return m.route('/mypads'); }\n      var _init = function () {\n        var data = c.isGuest ? model.tmp() : model;\n        c.group  = data.groups()[c.gid] || {};\n        c.pad    = data.pads()[c.pid];\n        if (!c.pad) { return m.route('/mypads'); }\n        document.title = conf.LANG.GROUP.PAD.PAD + ' ' + c.pad.name;\n        document.title += ' - ' + conf.SERVER.title;\n        c.isAdmin = (function () {\n          if (c.isAuth && c.group.admins) {\n            return ld.includes(c.group.admins, auth.userInfo()._id);\n          } else {\n            return false;\n          }\n        })();\n      };\n      if (model.pads()[c.pid]) {\n        _init();\n      } else {\n        c.isGuest = true;\n        model.fetchObject({ group: c.gid, pad: c.pid }, undefined, _init);\n      }\n    };\n\n    var fetchFn = (function () {\n      if (c.isAuth) {\n        return ld.partial(model.fetch, init);\n      } else {\n        var keys = { group: c.gid, pad: c.pid };\n        return ld.partial(model.fetchObject, keys, undefined, init);\n      }\n    })();\n    if (ld.isEmpty(model.pads())) { fetchFn(); } else { init(); }\n\n    c.submit = function (e) {\n      e.preventDefault();\n      model.fetchObject({ group: c.gid, pad: c.pid }, c.password(),\n        function (err) {\n          if (err) { return c.sendPass(false); }\n          var data = c.isGuest ? model.tmp() : model;\n          c.group  = data.groups()[c.gid];\n          c.pad    = data.pads()[c.pid];\n          c.sendPass(true);\n        }\n      );\n    };\n\n    return c;\n  };\n\n  /**\n  * ## Views\n  */\n\n  var view = {};\n\n  view.passForm = function(c) {\n    return m('form', {\n      id: 'password-form',\n      config: ready.inFrame,\n      onsubmit: c.submit\n    }, [\n      m('label.block', { for: 'mypadspassword' }, conf.LANG.USER.PASSWORD),\n      m('input.block', {\n        type: 'password',\n        required: true,\n        placeholder: conf.LANG.USER.UNDEF,\n        value: c.password(),\n        oninput: m.withAttr('value', c.password)\n      }),\n      m('input.ok.block', {\n        form: 'password-form',\n        type: 'submit',\n        value: conf.LANG.USER.OK\n      })\n    ]);\n  };\n\n  view.pad = function (c) {\n    var u  = auth.userInfo();\n    var p  = (c.sendPass() ? '&mypadspassword=' + encode(c.password()) : '');\n    var a  = (auth.isAuthenticated() ? '&auth_token=' + auth.token() : '');\n    var n  = '';\n    var co = '';\n    if (u) {\n      if (((u.useLoginAndColorInPads || conf.SERVER.useFirstLastNameInPads) && u.color)) {\n        co = '&userColor=' + u.color;\n      }\n      if (conf.SERVER.useFirstLastNameInPads) {\n        var firstname = (u.firstname) ? u.firstname : '';\n        var lastname  = (u.lastname)  ? u.lastname  : '';\n\n        n = '&userName=' + firstname + ' ' + lastname;\n      } else if (u.useLoginAndColorInPads) {\n        if (u.padNickname) {\n          n = '&userName=' + u.padNickname;\n        } else {\n          n = '&userName=' + u.login;\n        }\n      }\n    }\n    var link = conf.URLS.RAWBASE.replace('mypads/', '') + 'p/' + c.pad._id + '?' + p + a + co + n;\n    return [\n      m('p.text-right', [\n        m('a.btn.btn-default.expand-toggle', {\n          href: '#',\n          title: conf.LANG.GROUP.PAD.EXPAND,\n          onclick: function (e) {\n            e.preventDefault();\n            if (expandPad.isExpanded()) {\n              expandPad.reduceIframe();\n            } else {\n              expandPad.expandIframe();\n            }\n            return true;\n          }\n        }, [\n          m('i.glyphicon.glyphicon-resize-full')\n        ]),\n        m('a.btn.btn-default.new-window', {\n          href: link,\n          target: '_blank',\n          title: conf.LANG.GROUP.PAD.OPEN_TAB,\n          onclick: function () {\n            expandPad.reduceIframe(false);\n            c.showIframe(false);\n            return true;\n          }\n        }, [\n          m('i.glyphicon.glyphicon-new-window')\n        ])\n        ]),\n      (function () {\n        if (c.showIframe()) {\n          return m('iframe', { src: link });\n        }\n      })()\n    ];\n  };\n\n  view.main = function (c) {\n    var isPrivate = (function () {\n      if (c.pad) {\n        return (c.pad.visibility === 'private');\n      } else {\n        return (c.group.visibility && c.group.visibility === 'private');\n      }\n    })();\n    var showPass = (!c.isAdmin && isPrivate && !c.sendPass());\n    if (showPass) { return view.passForm(c); }\n    var route = '/mypads/group/' + c.gid;\n    var GROUP = conf.LANG.GROUP;\n    return m('section', { class: 'group' }, [\n      m('.btn-group.pull-right', [\n        (function () {\n          var isGroupSharable = (c.group && c.group.visibility &&\n            c.group.visibility !== 'restricted');\n          var isPadSharable = (c.pad.visibility &&\n            c.pad.visibility !== 'restricted');\n          if (isGroupSharable || isPadSharable || conf.SERVER.allPadsPublicsAuthentifiedOnly) {\n              return m('button.btn.btn-default', {\n                title: conf.LANG.GROUP.SHARE,\n                onclick: padShare.bind(c, c.gid, c.pad._id)\n              },\n              [ m('i.glyphicon glyphicon-link'),\n                m('span', ' '+conf.LANG.GROUP.SHARE)\n              ]);\n          }\n        })(),\n        (function () {\n          if (c.isAdmin) {\n            return m('a.btn.btn-default', {\n              href: route + '/pad/edit/' + c.pad._id,\n              config: m.route,\n              title: conf.LANG.MENU.CONFIG\n            },\n            [ m('i.glyphicon glyphicon-wrench'),\n              m('span', ' '+conf.LANG.MENU.CONFIG)\n            ]);\n            }\n        })(),\n        (function () {\n          if (c.isAdmin) {\n            return m('a.btn.btn-danger', {\n              href: route + '/pad/remove/' + c.pad._id,\n              config: m.route,\n              title: conf.LANG.GROUP.REMOVE\n            },\n            [ m('i.glyphicon glyphicon-trash'),\n              m('span', ' '+conf.LANG.GROUP.REMOVE)\n            ]);\n          }\n        })()\n      ]),\n      m('h2', [\n        (function () {\n          if (auth.isAuthenticated()) {\n            var isBookmarked = ld.includes(c.bookmarks, c.pad._id);\n            return m('button.btn.btn-link.btn-lg', {\n              title: (isBookmarked ? GROUP.UNMARK : GROUP.BOOKMARK),\n              onclick: function () { padMark(c.pad); }\n            }, [\n              m('i',\n                { class: 'glyphicon glyphicon-star' +\n                  (isBookmarked ? '' : '-empty'),\n                  title: (isBookmarked ? GROUP.UNMARK : GROUP.BOOKMARK) })\n            ]);\n          }\n        })(),\n        m('span', conf.LANG.GROUP.PAD.PAD + ' ' + c.pad.name),\n        (function () {\n          if (c.group && c.group.name) {\n            return [ m('br'), m('span.h3', [\n              ' (',\n              conf.LANG.GROUP.PAD.FROM_GROUP+' ',\n              m('a', {\n                href: route + '/view',\n                config: m.route,\n                title: conf.LANG.GROUP.VIEW\n              }, c.group.name ),\n              ')'\n            ])];\n          }\n        })()\n      ]),\n      m('section.pad', view.pad(c))\n    ]);\n  };\n\n  /**\n  * ### aside\n  *\n  * aside function, here some help and explanation\n  */\n\n  view.aside = function () {\n    return m('section.user-aside', [\n      m('h2', conf.LANG.ACTIONS.HELP),\n      m('article.well', m.trust(conf.LANG.GROUP.PAD.VIEW_HELP))\n    ]);\n  };\n\n  pad.view = function (c) {\n    return layout.view(view.main(c), view.aside());\n  };\n\n  return pad;\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Password recovery module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module contains the password recovery process\n*/\n\nmodule.exports = (function () {\n  // Global dependencies\n  var m  = require('mithril');\n  var ld = require('lodash');\n\n  // Local dependencies\n  var conf   = require('../configuration.js');\n  var auth   = require('../auth.js');\n  var form   = require('../helpers/form.js');\n  var notif  = require('../widgets/notification.js');\n  var layout = require('./layout.js');\n  var user   = require('./user.js');\n\n  var passrec = {};\n\n  /**\n  * ## Controller\n  *\n  * Used for module state and actions.\n  */\n\n  passrec.controller = function () {\n    if (auth.isAuthenticated()) {\n      m.route('/logout');\n    }\n    document.title = conf.LANG.USER.PASSRECOVER + ' - ' + conf.SERVER.title;\n\n    var c = {\n      token: m.route.param('token')\n    };\n    var fields = (c.token ? ['password', 'passwordConfirm'] : ['email']);\n    form.initFields(c, fields);\n\n    var errFn = function (err) {\n      notif.error({ body: ld.result(conf.LANG, err.error) });\n    };\n\n    c.submit = function (e) {\n      e.preventDefault();\n      m.request({\n        method: 'POST',\n        url: conf.URLS.PASSRECOVER,\n        data: c.data\n      }).then(function () {\n        notif.success({ body: conf.LANG.USER.INFO.PASSRECOVER_SUCCESS });\n      }, errFn);\n    };\n\n    c.changePass = function (e) {\n      e.preventDefault();\n      m.request({\n        method: 'PUT',\n        url: conf.URLS.PASSRECOVER + '/' + c.token,\n        data: c.data\n      }).then(function () {\n        m.route('/login');\n        notif.success({ body: conf.LANG.USER.INFO.CHANGEPASS_SUCCESS });\n      }, errFn);\n    };\n\n    return c;\n  };\n\n  /**\n  * ## Views\n  */\n\n  var view = {};\n\n  view.form = function (c) {\n    var email = user.view.field.email(c);\n    return m('form', {\n      id: 'passrec-form',\n      onsubmit: c.submit\n      }, [\n        m('fieldset', [\n          m('.form-group', [\n            email.label,\n            email.input\n          ])\n        ]),\n        m('input.btn.btn-success.pull-right.col-sm-12', {\n          form: 'passrec-form',\n          type: 'submit',\n          value: conf.LANG.USER.OK\n        })\n      ]\n    );\n  };\n\n  view.formChange = function (c) {\n    var pass                = user.view.field.password(c);\n    var passC               = user.view.field.passwordConfirm(c);\n    pass.label.attrs.class  = 'col-sm-4';\n    passC.label.attrs.class = 'col-sm-4';\n    return m('form.form-horizontal', {\n      id: 'passchange-form',\n      onsubmit: c.changePass\n      }, [\n        m('fieldset', [\n          m('.form-group', [\n            pass.label,\n            m('.col-sm-7', pass.input)\n          ]),\n          m('.form-group', [\n            passC.label,\n            m('.col-sm-7', passC.input)\n          ])\n        ]),\n        m('input.btn.btn-success.pull-right', {\n          form: 'passchange-form',\n          type: 'submit',\n          value: conf.LANG.USER.OK\n        })\n      ]\n    );\n  };\n\n  view.main = function (c) {\n    return m('section', { class: 'user' }, [\n      m('h2', conf.LANG.USER.PASSRECOVER),\n      (c.token ? view.formChange(c) : view.form(c))\n    ]);\n  };\n\n  passrec.view = function (c) {\n    return layout.view(view.main(c), user.view.aside.common(c));\n  };\n\n\n  return passrec;\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Subscription module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module contains the subscription logic and markup.\n*/\n\nmodule.exports = (function () {\n  // Dependencies\n  var ld = require('lodash');\n  var m  = require('mithril');\n\n  // Local Dependencies\n  var conf   = require('../configuration.js');\n  var form   = require('../helpers/form.js');\n  var model  = require('../model/group.js');\n  var notif  = require('../widgets/notification.js');\n  var auth   = require('../auth.js');\n  var layout = require('./layout.js');\n  var user   = require('./user.js');\n  var ready  = require('../helpers/ready.js');\n\n  var subscribe = {};\n\n  /**\n  * ## Controller\n  *\n  * Used for module state and actions and form submission.\n  * `initFields` is called to track the status of all fields.\n  * According to `profileView` getter-setter, we add or remove fields and\n  * populate values with local values.\n  */\n\n  subscribe.controller = function () {\n    var c          = { adminView: m.prop(false) };\n    c.profileView  = m.prop((m.route() === '/myprofile'));\n    document.title = (c.profileView() ? conf.LANG.USER.PROFILE :\n      conf.LANG.USER.SUBSCRIBE);\n    document.title += ' - ' + conf.SERVER.title;\n    if (c.profileView() && !auth.isAuthenticated()) {\n      conf.unauthUrl(true);\n      return m.route('/login');\n    }\n    if (conf.SERVER.authMethod !== 'internal' && c.profileView()) {\n      c.fields = ['organization', 'lang', 'color', 'hideHelp'];\n    } else {\n      c.fields = ['login', 'password', 'passwordConfirm', 'email', 'firstname',\n        'lastname', 'padNickname', 'organization', 'lang', 'color', 'hideHelp'];\n    }\n    if (c.profileView()) {\n      c.fields.push('passwordCurrent', 'useLoginAndColorInPads');\n    }\n    form.initFields(c, c.fields);\n    if (c.profileView()) {\n      ld.map(c.fields, function (f) {\n        if (!ld.startsWith(f, 'password')) {\n          c.data[f] = m.prop(auth.userInfo()[f]);\n        }\n      });\n    } else {\n      c.data.lang = m.prop(conf.USERLANG);\n    }\n\n    /**\n    * ### submit\n    *\n    * Submissions of forms.\n    * `errfn` helper with error notification\n    */\n\n    var errfn = function (err) {\n      return notif.error({ body: ld.result(conf.LANG, err.error) });\n    };\n\n    c.submit = {};\n\n    /**\n    * #### submit.subscribe\n    *\n    * `submit.subscribe` internal calls the public API to subscribe with given\n    * data :\n    *\n    * - it ensures that additionnal validity check is done;\n    * - it displays errors if needed or success and fixes local cached data for\n    * the user;\n    * - it also updates UI lang if needed;\n    * - finally, it authenticates new created user.\n    */\n\n    c.submit.subscribe = function (e) {\n      e.preventDefault();\n      if (c.data.password() !== c.data.passwordConfirm()) {\n        notif.warning({ body: conf.LANG.USER.ERR.PASSWORD_MISMATCH });\n        document.querySelector('input[name=\"passwordConfirm\"]').focus();\n      } else {\n        c.data.login(c.data.login().trim());\n        m.request({\n          method: 'POST',\n          url: conf.URLS.USER,\n          data: c.data\n        }).then(function (resp) {\n          if (!resp.value.active) {\n            var msg = conf.LANG.USER.AUTH.SUBSCRIBE_CONFIRM_SUCCESS;\n            m.route('/');\n            return notif.success({ body: msg });\n          } else {\n            auth.userInfo(resp.value);\n            notif.success({ body: conf.LANG.USER.AUTH.SUBSCRIBE_SUCCESS });\n          }\n          var lang = auth.userInfo().lang;\n          if (lang !== conf.USERLANG) {\n            conf.updateLang(lang);\n          }\n          m.request({\n            method: 'POST',\n            url: conf.URLS.LOGIN,\n            data: c.data\n          }).then(function (resp) {\n            localStorage.setItem('token', resp.token);\n            m.route('/');\n          }, errfn);\n        }, errfn);\n      }\n    };\n\n    /**\n    * #### submit.profileSave\n    *\n    * This function :\n    *\n    * - uses the public API to check if given `passwordCurrent` is valid;\n    * - then updates data as filled, taking care of password change with the\n    *   help of the `passwordUpdate` function;\n    * - notifies *errors* and *success*;\n    * - updates the local cache of `auth.userInfo`.\n    */\n\n    c.submit.profileSave = function (e) {\n      e.preventDefault();\n      var passwordUpdate = function () {\n        var pass = c.data.password();\n        if (!pass || (pass !== c.data.passwordConfirm())) {\n          c.data.password(c.data.passwordCurrent());\n        }\n      };\n      m.request({\n        method: 'POST',\n        url: conf.URLS.CHECK,\n        data: {\n          login: auth.userInfo().login,\n          password: c.data.passwordCurrent,\n          auth_token: auth.token()\n        }\n      }).then(function () {\n        if (conf.SERVER.authMethod === 'internal') {\n          passwordUpdate();\n        } else {\n          c.data.login       = auth.userInfo().login;\n          c.data.email       = auth.userInfo().email;\n          c.data.firstname   = auth.userInfo().firstname;\n          c.data.lastname    = auth.userInfo().lastname;\n          c.data.padNickname = auth.userInfo().padNickname;\n          c.data.password    = c.data.passwordCurrent;\n        }\n        m.request({\n          method: 'PUT',\n          url: conf.URLS.USER + '/' + auth.userInfo().login,\n          data: ld.assign(c.data, { auth_token: auth.token() })\n        }).then(function (resp) {\n          if (!conf.SERVER.hideHelpBlocks) {\n            if (resp.value.hideHelp) {\n              document.getElementsByTagName('body')[0].classList.add('hidehelpblocks');\n            } else {\n              document.getElementsByTagName('body')[0].classList.remove('hidehelpblocks');\n            }\n          }\n          auth.userInfo(resp.value);\n          notif.success({ body: conf.LANG.USER.AUTH.PROFILE_SUCCESS });\n        }, errfn);\n      }, errfn);\n    };\n\n    /**\n    * #### removeAccount\n    *\n    * This function :\n    *\n    * - inform the user about that no return will be possible\n    * - asks for the current password and checks it\n    * - remove the user and its groupds and pads, server-side\n    * - logout the user\n    * - and redirects him to the homepage\n    */\n\n    c.removeAccount = function () {\n      var password = window.prompt(conf.LANG.USER.INFO.REMOVE_ACCOUNT_SURE);\n      if (password) {\n        var login = auth.userInfo().login;\n        m.request({\n          method: 'POST',\n          url: conf.URLS.CHECK,\n          data: {\n            login: login,\n            password: password,\n            auth_token: auth.token()\n          }\n        }).then(function () {\n          m.request({\n            method: 'DELETE',\n            url: conf.URLS.USER + '/' + login,\n            data: { auth_token: auth.token() }\n          }).then(function () {\n            localStorage.removeItem('token');\n            auth.userInfo(null);\n            model.init();\n            document.title = conf.SERVER.title;\n            m.route('/');\n            notif.success({\n              body: conf.LANG.USER.INFO.REMOVE_ACCOUNT_SUCCESS\n            });\n          }, errfn);\n        }, errfn);\n      }\n    };\n\n    return c;\n  };\n\n  /**\n  * ## Views\n  */\n\n  var view = {};\n  subscribe.views = view;\n\n  /**\n  * ### removeAccount\n  *\n  * `removeAccount` is the view intended to allow user to erase completely its\n  * account.\n  */\n\n  view.removeAccount = function (c) {\n    return [\n      m('button.btn.btn-danger', {\n        onclick: c.removeAccount\n      }, conf.LANG.USER.REMOVE_ACCOUNT),\n      m('i', {\n        class: 'glyphicon glyphicon-info-sign mp-tooltip mp-tooltip-left',\n        'data-msg': conf.LANG.USER.INFO.REMOVE_ACCOUNT\n      })\n    ];\n  };\n\n  /**\n  * ### form view\n  *\n  * Classic view with all fields and changes according to the view.\n  */\n\n  view.form = function (c) {\n    var fields = ld.reduce(c.fields, function (memo, f) {\n      memo[f] = user.view.field[f](c);\n      return memo;\n    }, {});\n    if (c.adminView()) {\n      delete fields.password.input.attrs.required;\n      delete fields.passwordConfirm.input.attrs.required;\n    }\n    var requiredFields;\n    if (conf.SERVER.authMethod !== 'internal' && c.profileView()) {\n      requiredFields = [\n        m('.form-group', [\n          fields.lang.label, fields.lang.icon,\n          m('.col-sm-7', fields.lang.select)\n        ])\n      ];\n    } else {\n      fields.email.label.attrs.class = 'col-sm-4';\n      requiredFields                 = [\n        m('.form-group', [\n          fields.email.label,\n          m('.col-sm-7', fields.email.input)\n        ]),\n        m('.form-group', [\n          fields.password.label,\n          m('.col-sm-7', fields.password.input)\n        ]),\n        m('.form-group', [\n          fields.passwordConfirm.label,\n          m('.col-sm-7', fields.passwordConfirm.input)\n        ]),\n        m('.form-group', [\n          fields.lang.label,\n          m('.col-sm-7', fields.lang.select)\n        ])\n      ];\n    }\n    if (c.profileView()) {\n      var passC                = user.view.field.passwordCurrent(c);\n      passC.input.attrs.config = form.focusOnInit;\n      requiredFields.splice(1, 0,\n        m('.form-group', [\n          passC.label,\n          m('.col-sm-7', passC.input)\n        ]\n      ));\n      requiredFields.push(\n        m('.form-group', [\n          m('.col-sm-7.col-sm-offset-4', [\n            m('.checkbox', [\n              fields.useLoginAndColorInPads.label,\n            ])\n          ])\n        ])\n      );\n    } else if (!c.adminView()) {\n      var log                   = fields.login;\n      log.input.attrs.config    = form.focusOnInit;\n      log.input.attrs.maxlength = 40;\n      log.label.attrs.class     = 'col-sm-4';\n      requiredFields.splice(0, 0,\n        m('.form-group', [\n          log.label,\n          m('.col-sm-7', [log.input])\n        ])\n      );\n    }\n    var USER      = conf.LANG.USER;\n    var profOrAdm = (c.profileView() || c.adminView());\n    var optionalFields;\n    if (conf.SERVER.authMethod !== 'internal' && c.profileView()) {\n      fields.organization.label.attrs.class = 'col-sm-4';\n      fields.color.label.attrs.class        = 'col-sm-4';\n      optionalFields                        = [\n        m('legend.opt', conf.LANG.USER.OPTIONAL_FIELDS),\n          m('.form-group', [\n            fields.organization.label,\n            m('.col-sm-7', fields.organization.input)\n          ]),\n          m('.form-group', [\n            fields.color.label,\n            m('.col-sm-7', fields.color.input)\n          ]),\n          m('.form-group', { class: (conf.SERVER.hideHelpBlocks) ? 'hidden' : '' }, [\n            m('.col-sm-7.col-sm-offset-4', [\n              m('.checkbox', [\n                fields.hideHelp.label,\n              ])\n            ])\n          ])\n      ];\n    } else {\n      fields.firstname.label.attrs.class    = 'col-sm-4';\n      fields.lastname.label.attrs.class     = 'col-sm-4';\n      fields.padNickname.label.attrs.class  = 'col-sm-4';\n      fields.organization.label.attrs.class = 'col-sm-4';\n      fields.color.label.attrs.class        = 'col-sm-4';\n      optionalFields = [\n        m('legend.opt', conf.LANG.USER.OPTIONAL_FIELDS),\n          m('.form-group', [\n            fields.firstname.label,\n            m('.col-sm-7', fields.firstname.input)\n          ]),\n          m('.form-group', [\n            fields.lastname.label,\n            m('.col-sm-7', fields.lastname.input)\n          ]),\n          m('.form-group', [\n            fields.padNickname.label,\n            m('.col-sm-7', fields.padNickname.input)\n          ]),\n          m('.form-group', [\n            fields.organization.label,\n            m('.col-sm-7', fields.organization.input)\n          ]),\n          m('.form-group', [\n            fields.color.label,\n            m('.col-sm-7', fields.color.input)\n          ]),\n          m('.form-group', [\n            fields.hideHelp.label,\n            m('.col-sm-7', fields.hideHelp.input)\n          ])\n      ];\n    }\n    return m('form.form-horizontal', {\n      id: 'subscribe-form',\n      onsubmit: profOrAdm ? c.submit.profileSave : c.submit.subscribe\n      }, [\n      m('div', {\n        id: 'hide-when-ready',\n        config: ready.checkLoop\n      }, conf.LANG.USER.PLEASE_WAIT),\n      m('fieldset.show-when-ready.hidden', [\n        m('legend', conf.LANG.USER.MANDATORY_FIELDS),\n        m('div', requiredFields)\n      ]),\n      m('fieldset.show-when-ready.hidden', optionalFields),\n      m('.form-group.show-when-ready.hidden', [\n        m('.col-sm-12', [\n          m('input.btn.btn-success pull-right', {\n            form: 'subscribe-form',\n            type: 'submit',\n            value: profOrAdm ? conf.LANG.ACTIONS.SAVE : USER.REGISTER\n          }),\n          c.profileView() ? view.removeAccount(c) : ''\n        ])\n      ])\n    ]);\n  };\n\n\n  /**\n  * ### main and global view\n  *\n  * Views with cosmetic and help changes according to the current page.\n  */\n\n  view.main = function (c) {\n    var msgs     = conf.SERVER.loginMsg;\n    var elements = [view.form(c)];\n    var message;\n    if (typeof(msgs) !== 'undefined') {\n      if (typeof(msgs[conf.USERLANG]) !== 'undefined' && msgs[conf.USERLANG] !== '') {\n        message = m('article', {class: 'alert bg-danger'}, m.trust(msgs[conf.USERLANG]));\n        elements.unshift(message);\n      } else if (typeof(msgs.en) !== 'undefined' && msgs.en !== '') {\n        message = m('article', {class: 'alert bg-danger'}, m.trust(msgs.en));\n        elements.unshift(message);\n      }\n    }\n    if (c.profileView()) {\n      elements.splice(0, 0, m('h2',\n        conf.LANG.USER.PROFILE + ' : ' + auth.userInfo().login));\n    } else {\n      elements.splice(0, 0, m('h2', conf.LANG.USER.SUBSCRIBE));\n    }\n    return m('section', { class: 'user' }, elements);\n  };\n\n  subscribe.view = function (c) {\n    return layout.view(\n      view.main(c),\n      c.profileView() ? user.view.aside.profile(c) : user.view.aside.common(c)\n    );\n  };\n\n  return subscribe;\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # User invitation and admin sharing module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module handles group user invitation and group user admin sharing.\n*/\n\nmodule.exports = (function () {\n  'use strict';\n  // Global dependencies\n  var m  = require('mithril');\n  var ld = require('lodash');\n\n  // Local dependencies\n  var conf       = require('../configuration.js');\n  var auth       = require('../auth.js');\n  var model      = require('../model/group.js');\n  var layout     = require('./layout.js');\n  var notif      = require('../widgets/notification.js');\n  var tag        = require('../widgets/tag.js');\n  var form       = require('../helpers/form.js');\n  var cleanupXss = require('../helpers/cleanupXss.js');\n\n  var invite = {};\n\n  /**\n  * `submit` function calls the public API to update the group with new users\n  * or admins. It displays errors if needed or success.\n  *\n  * It takes the instantiated `c` controller and an optional `successFn`\n  * function called with `resp`onse and filters user invitation by known users\n  * only.\n  */\n\n  invite.invite = function (c, successFn) {\n    var data = {\n      invite: c.isInvite,\n      gid: c.group._id,\n      loginsOrEmails: c.tag.current,\n      auth_token: auth.token()\n    };\n    m.request({\n      method: 'POST',\n      url: conf.URLS.GROUP + '/invite',\n      data: data\n    }).then(function (resp) {\n      var lpfx = c.isInvite ? 'INVITE_USER' : 'ADMIN_SHARE';\n      var msg;\n      if (resp.present.length > 0) {\n        msg = conf.LANG.GROUP[lpfx].SUCCESS + cleanupXss.cleanup(resp.present.join(', '));\n        notif.success({ body: msg });\n      }\n      if (resp.absent.length > 0) {\n        msg = conf.LANG.GROUP[lpfx].FAILURE + cleanupXss.cleanup(resp.absent.join(', '));\n        notif.warning({ body: msg });\n      }\n      if ((resp.absent.length === 0) && (resp.present.length === 0)) {\n        notif.success({ body: conf.LANG.NOTIFICATION.SUCCESS_GENERIC });\n      }\n      model.fetch(function () {\n        if (successFn) { successFn(resp); }\n      });\n    }, function (err) {\n      notif.error({ body: ld.result(conf.LANG, err.error) });\n    });\n  };\n\n  /**\n  * ## Controller\n  *\n  * Used to check authentication, init data for tag like widget with users and\n  * admins and gather data if not already fetched.\n  */\n\n  invite.controller = function () {\n\n    if (!auth.isAuthenticated()) {\n      conf.unauthUrl(true);\n      return m.route('/login');\n    }\n\n    var uInfo  = auth.userInfo();\n    var c      = {};\n    c.isInvite = (m.route.param('action') === 'invite');\n\n    var init = function () {\n      var group = m.route.param('group');\n      c.group   = model.groups()[group];\n      var users = model.users();\n      users     = ld.reduce(users, function (memo, val) {\n        memo.byId[val._id]      = val;\n        memo.byLogin[val.login] = val;\n        memo.byEmail[val.email] = val;\n        return memo;\n      }, { byId: {}, byLogin: {}, byEmail: {} });\n      c.users     = ld.merge(users.byLogin, users.byEmail);\n      var current = ld(users.byId)\n        .pick(c.isInvite ? c.group.users : c.group.admins)\n        .values()\n        .pluck('login')\n        .value();\n      c.tag = new tag.controller({\n        name: 'user-invite',\n        label: conf.LANG.GROUP.INVITE_USER.USERS_SELECTION,\n        current: current,\n        placeholder: conf.LANG.GROUP.INVITE_USER.PLACEHOLDER,\n        tags: ld.pull(ld.keys(c.users), uInfo.login, uInfo.email)\n      });\n    };\n    if (ld.isEmpty(model.groups())) { model.fetch(init); } else { init(); }\n\n    /**\n    * ### userlistAdd\n    *\n    * `userlistAdd` function adds all members of the userlist to current\n    * invited users.\n    */\n\n    c.userlistAdd = function (ulid) {\n      var ul        = uInfo.userlists[ulid];\n      c.tag.current = ld.union(c.tag.current, ld.pluck(ul.users, 'login'));\n    };\n\n    /**\n    * ### submit\n    *\n    * `submit` function calls the public API to update the group with new users\n    * or admins. It displays errors if needed or success.\n    *\n    * It filters user invitation by known users only.\n    */\n\n    c.submit = function (e) {\n      e.preventDefault();\n      var successFn = function (resp) {\n        m.route('/mypads/group/' + resp.value._id + '/view');\n      };\n      invite.invite(c, successFn);\n    };\n\n    return c;\n  };\n\n  /**\n  * ## Views\n  */\n\n  var view = {};\n\n  view.userlistField = function (c) {\n    return m('div', [\n      m('.form-group', [\n        m('label.col-sm-4', { for: 'userlists' }, conf.LANG.MENU.USERLIST),\n        m('i', {\n          class: 'mp-tooltip glyphicon glyphicon-info-sign',\n          'data-msg': conf.LANG.USERLIST.INFO.USER_INVITE\n        }),\n        m('.col-sm-7',\n          m('select.form-control', {\n            name: 'userlists',\n            onchange: m.withAttr('value', c.userlistAdd)\n          }, (ld.map(ld.pairs(auth.userInfo().userlists), function (ul) {\n            return m('option', { value: ul[0] }, ul[1].name);\n          })).concat(m('option', {\n            selected: true,\n            disabled: true,\n            hidden: true,\n            value: ''\n          })))\n        )\n      ])\n    ]);\n  };\n\n  view.userField = function (c) {\n    var tagInput          = tag.views.input(c);\n    tagInput.attrs.config = form.focusOnInit;\n    return m('div.tag', [\n      m('.form-group', [\n        m('label.col-sm-4', { for: c.name }, c.label),\n        m('i', {\n          class: 'mp-tooltip glyphicon glyphicon-info-sign tag',\n          'data-msg': conf.LANG.GROUP.INVITE_USER.INPUT_HELP }),\n        m('.col-sm-7', [\n          m('.input-group', [\n            tagInput,\n            m('span.input-group-btn',\n              m('button.btn.btn-default', {\n              type: 'button',\n              onclick: function () {\n                c.add(document.getElementById(c.name + '-input'));\n              },\n            }, conf.LANG.USER.OK)\n            )\n          ]),\n          tag.views.datalist(c)\n        ])\n      ]),\n      m('.form-group', [\n        m('label.col-sm-4', conf.LANG.GLOBAL.OR),\n        m('i', {\n          class: 'mp-tooltip glyphicon glyphicon-info-sign tag',\n          'data-msg': conf.LANG.USERLIST.FIELD.USERSAREA_HELP }),\n        m('.col-sm-7', [\n          m('textarea.form-control', {\n            name: 'usersArea',\n            placeholder: conf.LANG.USERLIST.FIELD.USERSAREA_PLACEHOLDER,\n          }),\n          m('button.btn.btn-default.pull-right', {\n            type: 'button',\n            onclick: function () {\n              c.addMultiple(document.querySelector('textarea[name=usersArea]'));\n            },\n          }, conf.LANG.USER.OK)\n        ])\n      ])\n    ]);\n  };\n\n  view.form = function (c) {\n    var GROUP  = conf.LANG.GROUP;\n    var fields = [\n      m('fieldset', [\n        m('legend', (GROUP.INVITE_USERLIST)),\n        m('div', view.userlistField(c))\n      ]),\n      m('fieldset', [\n        m('legend', (c.isInvite ? GROUP.INVITE_USER.IU : GROUP.ADMIN_SHARE.AS)),\n        m('div', view.userField(c.tag))\n      ]),\n      m('fieldset', [\n        m('legend', conf.LANG.GROUP.INVITE_USER.USERS_SELECTED),\n        m('div', tag.views.tagslist(c.tag))\n      ]),\n      m('input.btn.btn-success.pull-right', {\n        form: 'group-form',\n        type: 'submit',\n        value: conf.LANG.ACTIONS.SAVE\n      })\n    ];\n    if (conf.SERVER.allPadsPublicsAuthentifiedOnly) {\n      fields.shift();\n    }\n    return m('form.form-horizontal', {\n      id: 'group-form',\n      onsubmit: c.submit\n    }, fields);\n  };\n\n  view.main = function (c) {\n    return m('section', { class: 'user group-form' }, [\n      m('h2', conf.LANG.GROUP.GROUP + ' ' + c.group.name),\n      view.form(c)\n    ]);\n  };\n\n  view.aside = function (c) {\n    var GROUP = conf.LANG.GROUP;\n    return m('section.user-aside', [\n      m('h2', conf.LANG.ACTIONS.HELP),\n      m('article.well', [\n        m('h3', (c.isInvite ? GROUP.INVITE_USER.IU : GROUP.ADMIN_SHARE.AS)),\n        m('section', m.trust(conf.LANG.GROUP.INVITE_USER.HELP))\n      ])\n    ]);\n  };\n\n  invite.view = function (c) {\n    return layout.view(view.main(c), view.aside(c));\n  };\n\n  return invite;\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # User module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module contains common functions for `login`, `subscribe` and `profile`\n*  modules.\n*/\n\nmodule.exports = (function () {\n  // Global dependencies\n  var m  = require('mithril');\n  var ld = require('lodash');\n\n  // Local dependencies\n  var conf = require('../configuration.js');\n  var form = require('../helpers/form.js');\n\n  var user = {};\n\n  /**\n  * ## Views\n  */\n\n  user.view = {};\n\n  /**\n  * ### Icons\n  *\n  * An `icon` consists on input helper, linked to a field.\n  */\n\n  user.view.icon = {};\n\n  /**\n  * #### optional icon\n  *\n  * `optional` icon is the base icon for all optional fields\n  */\n\n  user.view.icon.optional = function () {\n    return m('i', {\n      class: 'mp-tooltip glyphicon glyphicon-info-sign',\n      'data-msg': conf.LANG.USER.INFO.OPTIONAL\n    });\n  };\n  user.view.icon.firstname    = user.view.icon.optional;\n  user.view.icon.lastname     = user.view.icon.optional;\n  user.view.icon.organization = user.view.icon.optional;\n\n  /**\n  * ### login icon\n  */\n\n  user.view.icon.login = function (c) {\n    return form.icon(c, 'login', conf.LANG.USER.INFO.LOGIN,\n      conf.LANG.USER.ERR.LOGIN);\n  };\n\n  /**\n  * #### password icon\n  *\n  * `password` icon gathers all password types and only change the message\n  * according to the given `name`\n  */\n\n  user.view.icon.password = function (c, name) {\n    var infos = {\n      password: conf.LANG.USER.INFO.PASSWORD_BEGIN + conf.SERVER.passwordMin +\n        ' ' + conf.LANG.GLOBAL.AND + ' ' + conf.SERVER.passwordMax +\n        conf.LANG.USER.INFO.PASSWORD_END,\n      passwordConfirm: conf.LANG.USER.INFO.PASSWORD_CHECK,\n      passwordCurrent: conf.LANG.USER.INFO.PASSWORD_CURRENT\n    };\n    var icls = ['glyphicon glyphicon-exclamation-sign'];\n    if (c.valid[name]()) {\n      icls = ['glyphicon glyphicon-info-sign'];\n    }\n    icls.push('mp-tooltip');\n    return m('i', {\n      class: icls.join(' '),\n      'data-msg': infos[name]\n    });\n  };\n\n  /**\n  * #### email icon\n  */\n\n  user.view.icon.email = function (c) {\n    return form.icon(c, 'email', conf.LANG.USER.INFO.EMAIL,\n      conf.LANG.USER.ERR.EMAIL);\n  };\n\n  /**\n  * #### color icon\n  */\n\n  user.view.icon.color = function (c) {\n    return form.icon(c, 'color', conf.LANG.USER.INFO.COLOR,\n      conf.LANG.USER.ERR.COLOR);\n  };\n\n  /**\n  * ##### padNickname icon\n  */\n\n  user.view.icon.padNickname = function (c) {\n    return form.icon(c, 'padNickname', conf.LANG.USER.INFO.PAD_NICKNAME);\n  };\n\n  /**\n  * ### Fields\n  *\n  * Each `field` is a view returning three vdom elements :\n  *\n  * - a `label`\n  * - an `input`\n  * - the `icon`\n  */\n\n  user.view.field = {};\n\n  /**\n  * #### login\n  */\n\n  user.view.field.login = function (c) {\n    var fields = form.field(c, 'login', conf.LANG.USER.USERNAME,\n      user.view.icon.login(c));\n    ld.assign(fields.input.attrs, {\n        type: 'text',\n        placeholder: conf.LANG.USER.USERNAME,\n        required: true\n    });\n    return fields;\n  };\n\n  /**\n  * #### _pass\n  *\n  * `_pass` common helper that takes\n  *\n  * - the `c` controller,\n  * - the `name` of the field,\n  * - the `label` locale,\n  * - an `extraValid` optional function for performing extra HTML5 validation\n  *\n  * It returns the classic triplet `label`, `input` and `icon` vdoms.\n  */\n\n  user.view.field._pass = function (c, name, label, extraValid) {\n    var passMin = conf.SERVER.passwordMin;\n    var passMax = conf.SERVER.passwordMax;\n    var options = {\n      type: 'password',\n      name: name,\n      placeholder: conf.LANG.USER.UNDEF,\n      required: (!c.profileView || !c.profileView()),\n      oninput: form.handleField.bind(null, c, extraValid)\n    };\n    if (conf.SERVER.authMethod !== 'ldap') {\n      options.minlength = passMin;\n      options.maxlength = passMax;\n      options.pattern   = '.{' + passMin + ',' + passMax + '}';\n    }\n    var icon = user.view.icon.password(c, name);\n    return {\n      label: m('label.col-sm-4', { for: name }, [ label, icon ]),\n      input: m('input.form-control', options),\n      icon: icon\n    };\n  };\n\n  /**\n  * #### password field\n  *\n  * Classic `password` field\n  */\n\n  user.view.field.password = function (c) {\n    return user.view.field._pass(c, 'password', conf.LANG.USER.PASSWORD);\n  };\n\n  /**\n  * #### passwordConfirm field\n  *\n  * Special password field for password change, with extra HTML5 validation :\n  * must be the same as password.\n  *\n  */\n\n  user.view.field.passwordConfirm = function (c) {\n    var extraValid = function (c) {\n      return (c.data.password() === c.data.passwordConfirm());\n    };\n    var vdom = user.view.field._pass(c, 'passwordConfirm',\n      conf.LANG.USER.PASSCHECK, extraValid);\n    return vdom;\n  };\n\n  /**\n  * #### passwordCurrent field\n  *\n  * `passwordCurrent` is a password field used into the user profile, required\n  * to validate each change.\n  */\n\n  user.view.field.passwordCurrent = function (c) {\n    var vdom = user.view.field._pass(c, 'passwordCurrent',\n      conf.LANG.USER.PASSCURRENT);\n    ld.assign(vdom.label.attrs, { style: { fontWeight: 'bold' } });\n    ld.assign(vdom.input.attrs, { required: true });\n    return vdom;\n  };\n\n  /**\n  * #### email field\n  */\n\n  user.view.field.email = function (c) {\n    var fields = form.field(c, 'email', conf.LANG.USER.EMAIL,\n      user.view.icon.email(c));\n    ld.assign(fields.input.attrs, {\n        type: 'email',\n        placeholder: conf.LANG.USER.EMAIL_SAMPLE,\n        required: true,\n        value: c.data.email() || '',\n    });\n    return fields;\n  };\n\n  /**\n  * #### lang field\n  */\n\n  user.view.field.lang = function (c) {\n    var icon = m('i', {\n      class: 'mp-tooltip glyphicon glyphicon-info-sign',\n      'data-msg': conf.LANG.USER.INFO.LANG\n    });\n    var label  = m('label.col-sm-4', { for: 'lang' }, [ conf.LANG.USER.LANG, icon ]);\n    var select = m('select.form-control', {\n        name: 'lang',\n        required: true,\n        value: c.data.lang(),\n        onchange: m.withAttr('value', c.data.lang)\n        }, ld.reduce(conf.SERVER.languages, function (memo, v, k) {\n          memo.push(m('option', { value: k }, v));\n          return memo;\n        }, [])\n      );\n    return { label: label, select: select };\n  };\n\n  /**\n  * #### useLoginAndColorInPads field\n  */\n\n  user.view.field.useLoginAndColorInPads = function (c) {\n    var dataMsg  = conf.LANG.USER.INFO.USELOGINANDCOLORINPADS;\n    var labelTxt = conf.LANG.USER.USELOGINANDCOLORINPADS;\n    if (conf.SERVER.useFirstLastNameInPads) {\n      dataMsg  = conf.LANG.USER.INFO.USECOLORINPADS;\n      labelTxt = conf.LANG.USER.USECOLORINPADS;\n    }\n    return {\n      label: m('label', [\n        m('input', {\n          type: 'checkbox',\n          name: 'useLoginAndColorInPads',\n          checked: c.data.useLoginAndColorInPads(),\n          onchange: m.withAttr('checked', c.data.useLoginAndColorInPads)\n        }),\n        labelTxt,\n        m('i',{\n          class: 'mp-tooltip glyphicon glyphicon-info-sign',\n          'data-msg': dataMsg\n        }),\n      ]),\n    };\n  };\n\n  /**\n  * #### firstname field\n  */\n\n  user.view.field.firstname = function (c) {\n    var fields = form.field(c, 'firstname', conf.LANG.USER.FIRSTNAME,\n      user.view.icon.firstname(c));\n    ld.assign(fields.input.attrs, {\n        type: 'text',\n        placeholder: conf.LANG.USER.FIRSTNAME\n    });\n    return fields;\n  };\n\n  /**\n  * #### lastname field\n  */\n\n  user.view.field.lastname = function (c) {\n    var fields = form.field(c, 'lastname', conf.LANG.USER.LASTNAME,\n      user.view.icon.lastname(c));\n    ld.assign(fields.input.attrs, {\n        type: 'text',\n        placeholder: conf.LANG.USER.LASTNAME\n    });\n    return fields;\n  };\n\n  /**\n  * #### padNickname field\n  */\n\n  user.view.field.padNickname = function (c) {\n    var fields = form.field(c, 'padNickname', conf.LANG.USER.PAD_NICKNAME,\n      user.view.icon.padNickname(c));\n    ld.assign(fields.input.attrs, {\n        type: 'text',\n        placeholder: conf.LANG.USER.PAD_NICKNAME\n    });\n    return fields;\n  };\n\n  /**\n  * #### organization field\n  */\n\n  user.view.field.organization = function (c) {\n    var fields = form.field(c, 'organization', conf.LANG.USER.ORGANIZATION,\n      user.view.icon.organization(c));\n    ld.assign(fields.input.attrs, {\n        type: 'text',\n        placeholder: conf.LANG.USER.ORGANIZATION\n    });\n    return fields;\n  };\n\n  /**\n  * #### color field\n  */\n\n  user.view.field.color = function (c) {\n    var fields = form.field(c, 'color', conf.LANG.USER.COLOR,\n      user.view.icon.color(c));\n    ld.assign(fields.input.attrs, {\n      type: 'color',\n      placeholder: conf.LANG.USER.COLOR_SAMPLE,\n      maxlength: 7,\n      pattern: '#[0-9,a-f]{6}'\n    });\n    return fields;\n  };\n\n  /**\n  * #### hideHelp field\n  */\n\n  user.view.field.hideHelp = function (c) {\n    var labelTxt = conf.LANG.ADMIN.FIELD.HIDE_HELP_BLOCKS;\n    var dataMsg  = conf.LANG.ADMIN.INFO.HIDE_HELP_BLOCKS;\n    return {\n      label: m('label', [\n        m('input', {\n          type: 'checkbox',\n          name: 'hideHelp',\n          checked: c.data.hideHelp(),\n          onchange: m.withAttr('checked', c.data.hideHelp)\n        }),\n        labelTxt,\n        m('i',{\n          class: 'mp-tooltip glyphicon glyphicon-info-sign',\n          'data-msg': dataMsg\n        })\n      ]),\n    };\n  };\n\n  /**\n  * ### aside view\n  *\n  * `aisde` views :\n  *\n  * - `common`, used for login and subscription pages\n  * - `profile`, as expected for profile page.\n  */\n\n  user.view.aside = {\n    common: function () {\n      return m('section.user-aside', [\n        m('h2', conf.SERVER.title),\n        m('article.well', m.trust(conf.LANG.GLOBAL.DESCRIPTION))\n      ]);\n    },\n    profile: function () {\n      return m('section.user-aside', [\n        m('h2', conf.LANG.ACTIONS.HELP),\n        m('article.well', m.trust(conf.LANG.USER.HELP.PROFILE)) ]);\n    }\n  };\n\n  return user;\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Userlist form module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module handles userlist creation and update.\n*/\n\nmodule.exports = (function () {\n  'use strict';\n  // Global dependencies\n  var m  = require('mithril');\n  var ld = require('lodash');\n\n  // Local dependencies\n  var conf       = require('../configuration.js');\n  var auth       = require('../auth.js');\n  var layout     = require('./layout.js');\n  var notif      = require('../widgets/notification.js');\n  var tag        = require('../widgets/tag.js');\n  var form       = require('../helpers/form.js');\n  var model      = require('../model/group.js');\n  var cleanupXss = require('../helpers/cleanupXss.js');\n\n  var ulistform = {};\n\n  /**\n  * ## Controller\n  *\n  * Used to check authentication, initialize data for tag like widget with\n  * known users.\n  */\n\n  ulistform.controller = function () {\n\n    if (!auth.isAuthenticated()) {\n      conf.unauthUrl(true);\n      return m.route('/login');\n    }\n\n    var c     = {};\n    c.addView = m.prop(m.route() === '/myuserlists/add');\n\n    c.fields = ['name'];\n    form.initFields(c, c.fields);\n\n    /**\n    * ### init\n    *\n    * init function initializes controller data, loads existing elements for\n    * edit mode or only set up tags widget controller\n    */\n\n    var init = function () {\n      var uInfo   = auth.userInfo();\n      var current = [];\n      if (!c.addView()) {\n        c.key      = m.route.param('key');\n        c.userlist = uInfo.userlists[c.key];\n        current    = ld.pluck(c.userlist.users, 'login');\n        c.data.name(c.userlist.name);\n      }\n      var tags = ld.reduce(uInfo.userlists, function (memo, ul) {\n        ld.each(ul.users, function (user) {\n          if (!ld.includes(memo, user.login)) {\n            memo.push(user.login);\n            memo.push(user.email);\n          }\n        });\n        return memo;\n      }, []);\n      c.tag = new tag.controller({\n        name: 'users',\n        label: conf.LANG.GROUP.INVITE_USER.USERS_SELECTION,\n        current: current,\n        placeholder: conf.LANG.GROUP.INVITE_USER.PLACEHOLDER,\n        tags: tags\n      });\n      document.title = (c.addView() ? conf.LANG.USERLIST.ADD :\n        conf.LANG.USERLIST.EDIT);\n      document.title += ' - ' + conf.SERVER.title;\n    };\n\n    if (ld.isEmpty(model.groups())) { model.fetch(init); } else { init(); }\n\n    /**\n    * ### submission\n    *\n    * `submit` function...\n    */\n\n    c.submit = function (e) {\n      e.preventDefault();\n      var opts = {\n        method: 'POST',\n        url: conf.URLS.USERLIST,\n        data: {\n          name: c.data.name(),\n          loginsOrEmails: c.tag.current,\n          auth_token: auth.token()\n        }\n      };\n      var successMsg = conf.LANG.USERLIST.INFO.ADD_SUCCESS;\n      if (!c.addView()) {\n        opts.method = 'PUT';\n        opts.url += '/' + c.key;\n        opts.data.ulistid = c.key;\n        successMsg = conf.LANG.USERLIST.INFO.EDIT_SUCCESS;\n      }\n      m.request(opts).then(function (resp) {\n        var u       = auth.userInfo();\n        u.userlists = resp.value;\n        auth.userInfo(u);\n        notif.success({ body: successMsg });\n        var msg;\n        if (resp.present.length > 0) {\n          msg = conf.LANG.USERLIST.INFO.USER_SUCCESS + cleanupXss.cleanup(resp.present.join(', '));\n          notif.success({ body: msg });\n        }\n        if (resp.absent.length > 0) {\n          msg = conf.LANG.USERLIST.INFO.USER_FAILURE + cleanupXss.cleanup(resp.absent.join(', '));\n          notif.warning({ body: msg });\n        }\n        m.route('/myuserlists');\n      }, function (err) {\n        notif.error({ body: ld.result(conf.LANG, err.error) });\n      });\n    };\n\n    return c;\n  };\n\n  /**\n  * ## Views\n  */\n\n  var view = {};\n\n  /**\n  * ### Fields\n  *\n  * Form fields :\n  *\n  * - name classic textinput\n  * - users tag like widget\n  */\n\n  view.field = {};\n\n  view.field.name = function (c) {\n    var f = form.field(c, 'name', conf.LANG.USERLIST.FIELD.NAME,\n      form.icon(c, 'name', conf.LANG.USERLIST.INFO.NAME,\n      conf.LANG.GROUP.ERR.NAME));\n      ld.assign(f.input.attrs, {\n        placeholder: conf.LANG.USERLIST.INFO.NAME,\n        required: true,\n        maxlength: 40,\n        config: form.focusOnInit\n      });\n    return f;\n  };\n\n  view.field.users = function (c) {\n    return m('div.tag', [\n      m('.form-group', [\n        m('label.col-sm-4', { for: c.name }, [\n          c.label,\n          m('i', {\n            class: 'mp-tooltip glyphicon glyphicon-info-sign tag',\n            'data-msg': conf.LANG.USERLIST.FIELD.USERS_HELP })\n        ]),\n        m('.col-sm-7', [\n          m('.input-group', [\n            tag.views.input(c),\n            m('span.input-group-btn',\n              m('button.btn.btn-default', {\n                type: 'button',\n                onclick: function () {\n                  c.add(document.getElementById(c.name + '-input'));\n                },\n              }, conf.LANG.USER.OK)\n            )\n          ]),\n          tag.views.datalist(c)\n        ])\n      ]),\n      m('.form-group', [\n        m('label.col-sm-4', [\n          conf.LANG.GLOBAL.OR,\n          m('i', {\n            class: 'mp-tooltip glyphicon glyphicon-info-sign tag',\n            'data-msg': conf.LANG.USERLIST.FIELD.USERSAREA_HELP })\n        ]),\n        m('.col-sm-7', [\n          m('textarea.form-control', {\n            name: 'usersArea',\n            placeholder: conf.LANG.USERLIST.FIELD.USERSAREA_PLACEHOLDER,\n          }),\n          m('button.btn.btn-default.pull-right', {\n            type: 'button',\n            onclick: function () {\n              c.addMultiple(document.querySelector('textarea[name=usersArea]'));\n            },\n          }, conf.LANG.USER.OK)\n        ])\n      ]),\n    ]);\n  };\n\n  /**\n  * ### Form\n  */\n\n  view.form = function (c) {\n    var name               = view.field.name(c);\n    name.label.attrs.class = 'col-sm-4';\n    var fields             = [\n      m('.form-group', [\n        name.label,\n        m('.col-sm-7', name.input)\n      ])\n    ];\n    return m('form.form-horizontal', {\n      id: 'ulist-form',\n      onsubmit: c.submit\n    }, [\n      m('fieldset', [\n        m('legend', conf.LANG.USERLIST.USERLIST),\n        m('div', fields)\n      ]),\n      m('fieldset', [\n        m('legend', conf.LANG.USERLIST.FIELD.USERS),\n        m('div', view.field.users(c.tag))\n      ]),\n      m('fieldset', [\n        m('legend', conf.LANG.GROUP.INVITE_USER.USERS_SELECTED),\n        m('div', tag.views.tagslist(c.tag))\n      ]),\n      m('input.btn.btn-success.pull-right', {\n        form: 'ulist-form',\n        type: 'submit',\n        value: conf.LANG.ACTIONS.SAVE\n      })\n    ]);\n  };\n\n  /**\n  * ### main, aside, global views\n  */\n\n  view.main = function (c) {\n    return m('section', [\n      m('h2',\n        c.addView() ? conf.LANG.USERLIST.ADD : conf.LANG.USERLIST.EDIT),\n      view.form(c)\n    ]);\n  };\n\n  view.aside = function () {\n    return m('section.user-aside', [\n      m('h2', conf.LANG.ACTIONS.HELP),\n      m('article.well', m.trust(conf.LANG.USERLIST.FORM_HELP))\n    ]);\n  };\n\n  ulistform.view = function (c) {\n    return layout.view(view.main(c), view.aside(c));\n  };\n\n  return ulistform;\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Userlist remove module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  Short module for pad removal\n*/\n\nmodule.exports = (function () {\n  'use strict';\n  // Dependencies\n  var m     = require('mithril');\n  var ld    = require('lodash');\n  var auth  = require('../auth.js');\n  var conf  = require('../configuration.js');\n  var notif = require('../widgets/notification.js');\n\n  var remove = {};\n\n  /**\n  * ## Controller\n  *\n  * Used for authentication enforcement and confirmation before removal. In all\n  * cases, redirection to userlists view.\n  */\n\n  remove.controller = function () {\n    if (!auth.isAuthenticated()) {\n      conf.unauthUrl(true);\n      return m.route('/login');\n    }\n    var key = m.route.param('key');\n    if (window.confirm(conf.LANG.USERLIST.INFO.REMOVE_SURE)) {\n      m.request({\n        method: 'DELETE',\n        url: conf.URLS.USERLIST + '/' + key,\n        data: { auth_token: auth.token() }\n      }).then(function () {\n        var uInfo = auth.userInfo();\n        delete uInfo.userlists[key];\n        auth.userInfo(uInfo);\n        notif.success({ body: conf.LANG.USERLIST.INFO.REMOVE_SUCCESS });\n        m.route('/myuserlists');\n      }, function (err) {\n        notif.error({ body: ld.result(conf.LANG, err.error) });\n      });\n    } else {\n      m.route('/myuserlists');\n    }\n  };\n\n  remove.view = function () {};\n\n  return remove;\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Userlists module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module displays all userlists from a authenticated user and allow him\n*  to create, rename and remove each of them.\n*/\n\nmodule.exports = (function () {\n  'use strict';\n  // Global dependencies\n  var m  = require('mithril');\n  var ld = require('lodash');\n\n  // Local dependencies\n  var conf   = require('../configuration.js');\n  var auth   = require('../auth.js');\n  var layout = require('./layout.js');\n  var model  = require('../model/group.js');\n\n  var userlist = {};\n\n  /**\n  * ## Controller\n  *\n  * Used for module state and actions.\n  */\n\n  userlist.controller = function () {\n    if (!auth.isAuthenticated()) {\n      conf.unauthUrl(true);\n      return m.route('/login');\n    }\n    document.title = conf.LANG.MENU.USERLIST + ' - ' + conf.SERVER.title;\n\n    var c = {};\n\n    var init = function () {\n      c.userlists = auth.userInfo().userlists;\n    };\n\n    if (ld.isEmpty(model.groups())) { model.fetch(init); } else { init(); }\n    return c;\n  };\n\n  /**\n  * ## Views\n  */\n\n  var view = {};\n\n  view.userlist = function (c, ul, key) {\n    var ulistRoute = '/myuserlists/' + key;\n    var actions    = [\n      m('a.btn.btn-default.btn-xs', {\n        href: ulistRoute + '/edit',\n        config: m.route,\n        title: conf.LANG.GROUP.EDIT\n      }, [ m('i.glyphicon.glyphicon-pencil') ]),\n      m('a.btn.btn-default.btn-xs', {\n        href: ulistRoute + '/remove',\n        config: m.route,\n        title: conf.LANG.GROUP.REMOVE\n      }, [ m('i.glyphicon.glyphicon-trash.text-danger') ])\n    ];\n    return m('tr', [\n        m('th',\n          m('a', {\n            href: ulistRoute + '/edit',\n            config: m.route,\n            title: conf.LANG.GROUP.EDIT\n          }, ul.name)\n        ),\n        m('td', ld.size(ul.uids)),\n        m('td.text-right', actions)\n      ]);\n  };\n\n  view.main = function (c) {\n    var ulists = ld.reduce(c.userlists, function (memo, ul, key) {\n      memo.push(view.userlist(c, ul, key));\n      return memo;\n    }, []);\n    return m('section', [\n      m('h2', [\n        m('span', conf.LANG.MENU.USERLIST),\n        m('a.btn.btn-warning.pull-right', {\n          href: '/myuserlists/add',\n          config: m.route\n        }, [\n          m('span', conf.LANG.USERLIST.ADD)\n        ]),\n      ]),\n      m('section.panel.panel-default',\n        m('table.table.table-stripped', [\n          m('thead',\n            m('tr', [\n              m('th', {scope: 'col'}),  // Name\n              m('th', {scope: 'col'}, conf.LANG.USERLIST.FIELD.USERS),\n              m('th', {scope: 'col'})   // Actions\n            ])\n          ),\n          m('tbody', ulists)\n        ])\n      )\n    ]);\n  };\n\n  view.aside = function () {\n    return m('section.user-aside', [\n      m('h2', conf.LANG.ACTIONS.HELP),\n      m('article.well', m.trust(conf.LANG.USERLIST.HELP))\n    ]);\n  };\n\n  userlist.view = function (c) {\n    return layout.view(view.main(c), view.aside(c));\n  };\n\n  return userlist;\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Routing module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module contains all MyPads client-side routing using Mithril included\n*  router. It initializes all in search mode.\n*/\n\nmodule.exports = (function () {\n  // Global dependencies\n  var m = require('mithril');\n\n  // Modules\n  var home                 = require('./modules/home.js');\n  var login                = require('./modules/login.js');\n  var logout               = require('./modules/logout.js');\n  var passRecover          = require('./modules/passrecover.js');\n  var accountConfirm       = require('./modules/accountconfirm.js');\n  var subscribe            = require('./modules/subscribe.js');\n  var bookmark             = require('./modules/bookmark.js');\n  var userlist             = require('./modules/userlist.js');\n  var userlistForm         = require('./modules/userlist-form.js');\n  var userlistRemove       = require('./modules/userlist-remove.js');\n  var group                = require('./modules/group.js');\n  var groupView            = require('./modules/group-view.js');\n  var groupForm            = require('./modules/group-form.js');\n  var groupRemove          = require('./modules/group-remove.js');\n  var padForm              = require('./modules/pad-form.js');\n  var padRemove            = require('./modules/pad-remove.js');\n  var padRemoveChatHistory = require('./modules/pad-remove-chat-history.js');\n  var padView              = require('./modules/pad-view.js');\n  var padMove              = require('./modules/pad-move.js');\n  var userInvite           = require('./modules/user-invitation.js');\n  var admin                = require('./modules/admin.js');\n  var adminLogout          = require('./modules/admin-logout.js');\n  var adminUsers           = require('./modules/admin-users.js');\n  var adminUsersCreate     = require('./modules/admin-users-create.js');\n  var adminUserForm        = require('./modules/admin-users-form.js');\n  var adminUserRemove      = require('./modules/admin-users-remove.js');\n\n  var route = { model: {} };\n\n  /*\n  * ## Model\n  *\n  * `routes` contains all routes and called modules.\n  */\n\n  route.model.routes = {\n    '/': home,\n    '/login': login,\n    '/logout': logout,\n    '/passrecover': passRecover,\n    '/passrecover/:token': passRecover,\n    '/accountconfirm/:token': accountConfirm,\n    '/subscribe': subscribe,\n    '/myprofile': subscribe,\n    '/mybookmarks': bookmark,\n    '/myuserlists': userlist,\n    '/myuserlists/add': userlistForm,\n    '/myuserlists/:key/edit': userlistForm,\n    '/myuserlists/:key/remove': userlistRemove,\n    '/mypads': group,\n    '/mypads/group': group,\n    '/mypads/group/list': group,\n    '/mypads/group/add': groupForm,\n    '/mypads/group/:key/view': groupView,\n    '/mypads/group/:key/edit': groupForm,\n    '/mypads/group/:key/remove': groupRemove,\n    '/mypads/group/:group/pad/add': padForm,\n    '/mypads/group/:group/pad/move': padMove,\n    '/mypads/group/:group/pad/edit/:pad': padForm,\n    '/mypads/group/:group/pad/remove/:pad': padRemove,\n    '/mypads/group/:group/pad/remove/chat/history/:pad': padRemoveChatHistory,\n    '/mypads/group/:group/pad/view/:pad': padView,\n    '/mypads/group/:group/user/:action': userInvite,\n    '/admin': admin,\n    '/admin/logout': adminLogout,\n    '/admin/users': adminUsers,\n    '/admin/users/create': adminUsersCreate,\n    '/admin/users/:login/edit': adminUserForm,\n    '/admin/users/:login/remove': adminUserRemove\n  };\n\n  var myPadsBox = document.getElementById('mypads');\n  route.init = function () { m.route(myPadsBox, '/', route.model.routes); };\n\n  return route;\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Notification module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module contains a generic widgets handling several types of visual\n*  notifications.\n*/\n\nmodule.exports = (function () {\n  'use strict';\n  // Global dependencies\n  var m = require('mithril');\n  // Local dependencies\n  var conf = require('../configuration.js');\n\n  var notif = {};\n\n  /**\n  * ## Model\n  *\n  * `model` contains a list of items id -> item and an autoincrement id.\n  */\n\n  notif.model = {\n    items: {},\n    counter: 0\n  };\n\n  /**\n  * ## Controller\n  *\n  * `controller` relies on `model` and gives functions to close directly or\n  * after a delay a notification.\n  */\n  notif.controller = function () {\n    var c     = {};\n    c.toClose = {};\n    c.close   = function (id, from) {\n      // with from false, no clear because notimeout\n      if ((from) && (from !== 'timeout')) {\n        window.clearTimeout(c.toClose[id]);\n      }\n      delete c.toClose[id];\n      delete notif.model.items[id];\n    };\n\n    c.delayClose = function (id, timeout) {\n      if ((timeout) && !(c.toClose[id])) {\n        c.toClose[id] = window.setTimeout(function () {\n          m.startComputation();\n          c.close(id, 'timeout');\n          m.endComputation();\n        }, timeout * 1000);\n      }\n    };\n    return c;\n  };\n\n  /**\n  * ## View\n  *\n  * Self contained view for notifications.\n  */\n\n  notif.view = function (ctrl) {\n    var keys = Object.keys(notif.model.items).sort();\n    return m('div', keys.map(function (id) {\n      var n = notif.model.items[id];\n      ctrl.delayClose(id, n.timeout);\n      var closeFn = ctrl.close.bind(ctrl, id, n.timeout);\n      return m('div', {\n        class: n.cls ? n.cls : '',\n        onclick: (n.click ? n.click : closeFn)\n      }, [\n        m('header', [\n          (n.icon ? m('i', { class: 'glyphicon glyphicon-' + n.icon }) : ''),\n          m('span', ' '+n.title)\n        ]),\n        m('i', {\n          class: 'close glyphicon glyphicon-remove-circle',\n          onclick: closeFn\n        }),\n        m('p', m.trust(n.body))\n      ]);\n    }));\n  };\n\n  /**\n  * ## Public functions\n  *\n  * `send` is the generic way of sending a new notification.\n  * They all takes an `options` object and a `callback` function.\n  */\n\n  notif.send = function (options, callback) {\n    if (options.timeout === undefined) { options.timeout = 10; }\n    notif.model.counter += 1;\n    notif.model.items[notif.model.counter] = options;\n    m.redraw();\n    if (callback) { callback(); }\n  };\n\n  notif.success = function (options, callback) {\n    options.title = options.title || conf.LANG.NOTIFICATION.SUCCESS;\n    options.cls   = 'alert alert-success';\n    options.icon  = 'ok';\n    notif.send(options, callback);\n  };\n\n  notif.info = function (options, callback) {\n    options.title = options.title || conf.LANG.NOTIFICATION.INFO;\n    options.cls   = 'alert alert-info';\n    options.icon  = 'info-sign';\n    notif.send(options, callback);\n  };\n\n  notif.warning = function (options, callback) {\n    options.title   = conf.LANG.NOTIFICATION.WARNING;\n    options.cls     = 'alert alert-warning';\n    options.icon    = 'warning-sign';\n    options.timeout = 15;\n    notif.send(options, callback);\n  };\n\n  notif.error = function (options, callback) {\n    options.title   = conf.LANG.NOTIFICATION.ERROR;\n    options.cls     = 'alert alert-danger';\n    options.icon    = 'exclamation-sign';\n    options.timeout = 15;\n    notif.send(options, callback);\n  };\n\n  notif.errorUnexpected = function (options, callback) {\n    options.body = '<em>' + options.body + '</em><br>' +\n      conf.LANG.NOTIFICATION.ERROR_UNEXPECTED;\n    notif.error(options, callback);\n  };\n\n  return notif;\n\n}).call(this);\n","/**\n*  vim:set sw=2 ts=2 sts=2 ft=javascript expandtab:\n*\n*  # Tag field module\n*\n*  ## License\n*\n*  Licensed to the Apache Software Foundation (ASF) under one\n*  or more contributor license agreements.  See the NOTICE file\n*  distributed with this work for additional information\n*  regarding copyright ownership.  The ASF licenses this file\n*  to you under the Apache License, Version 2.0 (the\n*  \"License\"); you may not use this file except in compliance\n*  with the License.  You may obtain a copy of the License at\n*\n*    http://www.apache.org/licenses/LICENSE-2.0\n*\n*  Unless required by applicable law or agreed to in writing,\n*  software distributed under the License is distributed on an\n*  \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n*  KIND, either express or implied.  See the License for the\n*  specific language governing permissions and limitations\n*  under the License.\n*\n*  ## Description\n*\n*  This module contains a generic widget handling tag like widget, using HTML5\n*  datalist element.\n*/\n\nmodule.exports = (function () {\n  'use strict';\n  // Global dependencies\n  var m  = require('mithril');\n  var ld = require('lodash');\n\n  // Local dependencies\n  var conf = require('../configuration.js');\n\n  var tag = {};\n\n  /**\n  * ## Controller\n  *\n  * Used for state. Takes a `config` JS Object with :\n  *\n  * - `content` ??\n  * - `tags` array, containing available choices\n  * - `current` array, for current attached values\n  * - optional `label` text for input field, default to *TAG.TAGS*\n  * - optional `placeholder` text for input field, default to *TAG.PLACEHOLDER*\n  * - optional `name` attribute, for the name of the input, default to *tags*\n  */\n\n  tag.controller = function (config) {\n    var c         = config;\n    c.label       = c.label || conf.LANG.TAG.TAGS;\n    c.placeholder = c.placeholder || conf.LANG.TAG.PLACEHOLDER;\n    c.name        = c.name || 'tags';\n\n    c.tags = ld.difference(c.tags, c.current);\n\n    c.add = function (input) {\n      var v = input.value;\n      if (v.length !== 0) {\n        if (!ld.includes(c.current, v)) { c.current.push(v); }\n        ld.pull(c.tags, v);\n        input.value = '';\n      }\n    };\n\n    c.addMultiple = function (textarea) {\n      var v = textarea.value;\n      if (v.length !== 0) {\n        v              = ld.compact(v.split('\\n'));\n        c.current      = ld.union(c.current, v);\n        c.tags         = ld.difference(c.tags, v);\n        textarea.value = '';\n      }\n    };\n\n    return c;\n  };\n\n  /**\n  * ## Views\n  *\n  * Views for the widget.\n  */\n\n  tag.views = {};\n\n  tag.views.icon = function () {\n    return m('i', {\n      class: 'mp-tooltip glyphicon glyphicon-info-sign tag',\n      'data-msg': conf.LANG.TAG.HELP\n    });\n  };\n\n  tag.views.input = function (c) {\n    return m('input.form-control', {\n      id: c.name + '-input',\n      name: c.name,\n      type: 'text',\n      list: c.name,\n      placeholder: c.placeholder,\n      onkeydown: function (e) {\n        if (e.keyCode === 13) { // ENTER\n          e.preventDefault();\n          c.add(e.target);\n        }\n      },\n      onchange: function (e) { c.add(e.target); }\n    });\n  };\n\n  tag.views.datalist = function (c) {\n    return m('datalist', { id: c.name }, ld.map(c.tags, function (tag) {\n      return m('option', { value: tag });\n    }));\n  };\n\n  tag.views.tagslist = function (c) {\n    return m('ul.list-inline help-block', ld.map(c.current, function (tag) {\n      return m('li', [\n        m('span.label.label-default', tag),\n        m('i', {\n          role: 'button',\n          class: 'small glyphicon glyphicon-remove text-danger',\n          onclick: function (e) {\n            var value = e.target.parentElement.textContent;\n            ld.pull(c.current, value);\n            c.tags.push(value);\n          }\n        })\n        ]);\n      }));\n  };\n\n  tag.view = function (c) {\n    return m('div.form-group', [\n      m('label.col-sm-4', { for: c.name }, [ c.label, tag.views.icon() ]),\n      m('.col-sm-7', [\n        m('.input-group.input-group-sm', [\n          tag.views.input(c),\n          m('span.input-group-btn',\n            m('button.btn.btn-default', {\n              type: 'button',\n              onclick: function () {\n                c.add(document.getElementById(c.name + '-input'));\n              },\n            }, conf.LANG.USER.OK)\n          )\n        ]),\n        tag.views.datalist(c),\n        tag.views.tagslist(c)\n      ])\n    ]);\n  };\n\n  return tag;\n}).call(this);\n","var lookup = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';\n\n;(function (exports) {\n\t'use strict';\n\n  var Arr = (typeof Uint8Array !== 'undefined')\n    ? Uint8Array\n    : Array\n\n\tvar PLUS   = '+'.charCodeAt(0)\n\tvar SLASH  = '/'.charCodeAt(0)\n\tvar NUMBER = '0'.charCodeAt(0)\n\tvar LOWER  = 'a'.charCodeAt(0)\n\tvar UPPER  = 'A'.charCodeAt(0)\n\tvar PLUS_URL_SAFE = '-'.charCodeAt(0)\n\tvar SLASH_URL_SAFE = '_'.charCodeAt(0)\n\n\tfunction decode (elt) {\n\t\tvar code = elt.charCodeAt(0)\n\t\tif (code === PLUS ||\n\t\t    code === PLUS_URL_SAFE)\n\t\t\treturn 62 // '+'\n\t\tif (code === SLASH ||\n\t\t    code === SLASH_URL_SAFE)\n\t\t\treturn 63 // '/'\n\t\tif (code < NUMBER)\n\t\t\treturn -1 //no match\n\t\tif (code < NUMBER + 10)\n\t\t\treturn code - NUMBER + 26 + 26\n\t\tif (code < UPPER + 26)\n\t\t\treturn code - UPPER\n\t\tif (code < LOWER + 26)\n\t\t\treturn code - LOWER + 26\n\t}\n\n\tfunction b64ToByteArray (b64) {\n\t\tvar i, j, l, tmp, placeHolders, arr\n\n\t\tif (b64.length % 4 > 0) {\n\t\t\tthrow new Error('Invalid string. Length must be a multiple of 4')\n\t\t}\n\n\t\t// the number of equal signs (place holders)\n\t\t// if there are two placeholders, than the two characters before it\n\t\t// represent one byte\n\t\t// if there is only one, then the three characters before it represent 2 bytes\n\t\t// this is just a cheap hack to not do indexOf twice\n\t\tvar len = b64.length\n\t\tplaceHolders = '=' === b64.charAt(len - 2) ? 2 : '=' === b64.charAt(len - 1) ? 1 : 0\n\n\t\t// base64 is 4/3 + up to two characters of the original data\n\t\tarr = new Arr(b64.length * 3 / 4 - placeHolders)\n\n\t\t// if there are placeholders, only get up to the last complete 4 chars\n\t\tl = placeHolders > 0 ? b64.length - 4 : b64.length\n\n\t\tvar L = 0\n\n\t\tfunction push (v) {\n\t\t\tarr[L++] = v\n\t\t}\n\n\t\tfor (i = 0, j = 0; i < l; i += 4, j += 3) {\n\t\t\ttmp = (decode(b64.charAt(i)) << 18) | (decode(b64.charAt(i + 1)) << 12) | (decode(b64.charAt(i + 2)) << 6) | decode(b64.charAt(i + 3))\n\t\t\tpush((tmp & 0xFF0000) >> 16)\n\t\t\tpush((tmp & 0xFF00) >> 8)\n\t\t\tpush(tmp & 0xFF)\n\t\t}\n\n\t\tif (placeHolders === 2) {\n\t\t\ttmp = (decode(b64.charAt(i)) << 2) | (decode(b64.charAt(i + 1)) >> 4)\n\t\t\tpush(tmp & 0xFF)\n\t\t} else if (placeHolders === 1) {\n\t\t\ttmp = (decode(b64.charAt(i)) << 10) | (decode(b64.charAt(i + 1)) << 4) | (decode(b64.charAt(i + 2)) >> 2)\n\t\t\tpush((tmp >> 8) & 0xFF)\n\t\t\tpush(tmp & 0xFF)\n\t\t}\n\n\t\treturn arr\n\t}\n\n\tfunction uint8ToBase64 (uint8) {\n\t\tvar i,\n\t\t\textraBytes = uint8.length % 3, // if we have 1 byte left, pad 2 bytes\n\t\t\toutput = \"\",\n\t\t\ttemp, length\n\n\t\tfunction encode (num) {\n\t\t\treturn lookup.charAt(num)\n\t\t}\n\n\t\tfunction tripletToBase64 (num) {\n\t\t\treturn encode(num >> 18 & 0x3F) + encode(num >> 12 & 0x3F) + encode(num >> 6 & 0x3F) + encode(num & 0x3F)\n\t\t}\n\n\t\t// go through the array every three bytes, we'll deal with trailing stuff later\n\t\tfor (i = 0, length = uint8.length - extraBytes; i < length; i += 3) {\n\t\t\ttemp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2])\n\t\t\toutput += tripletToBase64(temp)\n\t\t}\n\n\t\t// pad the end with zeros, but make sure to not forget the extra bytes\n\t\tswitch (extraBytes) {\n\t\t\tcase 1:\n\t\t\t\ttemp = uint8[uint8.length - 1]\n\t\t\t\toutput += encode(temp >> 2)\n\t\t\t\toutput += encode((temp << 4) & 0x3F)\n\t\t\t\toutput += '=='\n\t\t\t\tbreak\n\t\t\tcase 2:\n\t\t\t\ttemp = (uint8[uint8.length - 2] << 8) + (uint8[uint8.length - 1])\n\t\t\t\toutput += encode(temp >> 10)\n\t\t\t\toutput += encode((temp >> 4) & 0x3F)\n\t\t\t\toutput += encode((temp << 2) & 0x3F)\n\t\t\t\toutput += '='\n\t\t\t\tbreak\n\t\t}\n\n\t\treturn output\n\t}\n\n\texports.toByteArray = b64ToByteArray\n\texports.fromByteArray = uint8ToBase64\n}(typeof exports === 'undefined' ? (this.base64js = {}) : exports))\n","/*!\n * The buffer module from node.js, for the browser.\n *\n * @author   Feross Aboukhadijeh <http://feross.org>\n * @license  MIT\n */\n/* eslint-disable no-proto */\n\n'use strict'\n\nvar base64 = require('base64-js')\nvar ieee754 = require('ieee754')\nvar isArray = require('isarray')\n\nexports.Buffer = Buffer\nexports.SlowBuffer = SlowBuffer\nexports.INSPECT_MAX_BYTES = 50\nBuffer.poolSize = 8192 // not used by this implementation\n\nvar rootParent = {}\n\n/**\n * If `Buffer.TYPED_ARRAY_SUPPORT`:\n *   === true    Use Uint8Array implementation (fastest)\n *   === false   Use Object implementation (most compatible, even IE6)\n *\n * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,\n * Opera 11.6+, iOS 4.2+.\n *\n * Due to various browser bugs, sometimes the Object implementation will be used even\n * when the browser supports typed arrays.\n *\n * Note:\n *\n *   - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,\n *     See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.\n *\n *   - Safari 5-7 lacks support for changing the `Object.prototype.constructor` property\n *     on objects.\n *\n *   - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.\n *\n *   - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of\n *     incorrect length in some situations.\n\n * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they\n * get the Object implementation, which is slower but behaves correctly.\n */\nBuffer.TYPED_ARRAY_SUPPORT = global.TYPED_ARRAY_SUPPORT !== undefined\n  ? global.TYPED_ARRAY_SUPPORT\n  : typedArraySupport()\n\nfunction typedArraySupport () {\n  function Bar () {}\n  try {\n    var arr = new Uint8Array(1)\n    arr.foo = function () { return 42 }\n    arr.constructor = Bar\n    return arr.foo() === 42 && // typed array instances can be augmented\n        arr.constructor === Bar && // constructor can be set\n        typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray`\n        arr.subarray(1, 1).byteLength === 0 // ie10 has broken `subarray`\n  } catch (e) {\n    return false\n  }\n}\n\nfunction kMaxLength () {\n  return Buffer.TYPED_ARRAY_SUPPORT\n    ? 0x7fffffff\n    : 0x3fffffff\n}\n\n/**\n * Class: Buffer\n * =============\n *\n * The Buffer constructor returns instances of `Uint8Array` that are augmented\n * with function properties for all the node `Buffer` API functions. We use\n * `Uint8Array` so that square bracket notation works as expected -- it returns\n * a single octet.\n *\n * By augmenting the instances, we can avoid modifying the `Uint8Array`\n * prototype.\n */\nfunction Buffer (arg) {\n  if (!(this instanceof Buffer)) {\n    // Avoid going through an ArgumentsAdaptorTrampoline in the common case.\n    if (arguments.length > 1) return new Buffer(arg, arguments[1])\n    return new Buffer(arg)\n  }\n\n  if (!Buffer.TYPED_ARRAY_SUPPORT) {\n    this.length = 0\n    this.parent = undefined\n  }\n\n  // Common case.\n  if (typeof arg === 'number') {\n    return fromNumber(this, arg)\n  }\n\n  // Slightly less common case.\n  if (typeof arg === 'string') {\n    return fromString(this, arg, arguments.length > 1 ? arguments[1] : 'utf8')\n  }\n\n  // Unusual.\n  return fromObject(this, arg)\n}\n\nfunction fromNumber (that, length) {\n  that = allocate(that, length < 0 ? 0 : checked(length) | 0)\n  if (!Buffer.TYPED_ARRAY_SUPPORT) {\n    for (var i = 0; i < length; i++) {\n      that[i] = 0\n    }\n  }\n  return that\n}\n\nfunction fromString (that, string, encoding) {\n  if (typeof encoding !== 'string' || encoding === '') encoding = 'utf8'\n\n  // Assumption: byteLength() return value is always < kMaxLength.\n  var length = byteLength(string, encoding) | 0\n  that = allocate(that, length)\n\n  that.write(string, encoding)\n  return that\n}\n\nfunction fromObject (that, object) {\n  if (Buffer.isBuffer(object)) return fromBuffer(that, object)\n\n  if (isArray(object)) return fromArray(that, object)\n\n  if (object == null) {\n    throw new TypeError('must start with number, buffer, array or string')\n  }\n\n  if (typeof ArrayBuffer !== 'undefined') {\n    if (object.buffer instanceof ArrayBuffer) {\n      return fromTypedArray(that, object)\n    }\n    if (object instanceof ArrayBuffer) {\n      return fromArrayBuffer(that, object)\n    }\n  }\n\n  if (object.length) return fromArrayLike(that, object)\n\n  return fromJsonObject(that, object)\n}\n\nfunction fromBuffer (that, buffer) {\n  var length = checked(buffer.length) | 0\n  that = allocate(that, length)\n  buffer.copy(that, 0, 0, length)\n  return that\n}\n\nfunction fromArray (that, array) {\n  var length = checked(array.length) | 0\n  that = allocate(that, length)\n  for (var i = 0; i < length; i += 1) {\n    that[i] = array[i] & 255\n  }\n  return that\n}\n\n// Duplicate of fromArray() to keep fromArray() monomorphic.\nfunction fromTypedArray (that, array) {\n  var length = checked(array.length) | 0\n  that = allocate(that, length)\n  // Truncating the elements is probably not what people expect from typed\n  // arrays with BYTES_PER_ELEMENT > 1 but it's compatible with the behavior\n  // of the old Buffer constructor.\n  for (var i = 0; i < length; i += 1) {\n    that[i] = array[i] & 255\n  }\n  return that\n}\n\nfunction fromArrayBuffer (that, array) {\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    // Return an augmented `Uint8Array` instance, for best performance\n    array.byteLength\n    that = Buffer._augment(new Uint8Array(array))\n  } else {\n    // Fallback: Return an object instance of the Buffer class\n    that = fromTypedArray(that, new Uint8Array(array))\n  }\n  return that\n}\n\nfunction fromArrayLike (that, array) {\n  var length = checked(array.length) | 0\n  that = allocate(that, length)\n  for (var i = 0; i < length; i += 1) {\n    that[i] = array[i] & 255\n  }\n  return that\n}\n\n// Deserialize { type: 'Buffer', data: [1,2,3,...] } into a Buffer object.\n// Returns a zero-length buffer for inputs that don't conform to the spec.\nfunction fromJsonObject (that, object) {\n  var array\n  var length = 0\n\n  if (object.type === 'Buffer' && isArray(object.data)) {\n    array = object.data\n    length = checked(array.length) | 0\n  }\n  that = allocate(that, length)\n\n  for (var i = 0; i < length; i += 1) {\n    that[i] = array[i] & 255\n  }\n  return that\n}\n\nif (Buffer.TYPED_ARRAY_SUPPORT) {\n  Buffer.prototype.__proto__ = Uint8Array.prototype\n  Buffer.__proto__ = Uint8Array\n} else {\n  // pre-set for values that may exist in the future\n  Buffer.prototype.length = undefined\n  Buffer.prototype.parent = undefined\n}\n\nfunction allocate (that, length) {\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    // Return an augmented `Uint8Array` instance, for best performance\n    that = Buffer._augment(new Uint8Array(length))\n    that.__proto__ = Buffer.prototype\n  } else {\n    // Fallback: Return an object instance of the Buffer class\n    that.length = length\n    that._isBuffer = true\n  }\n\n  var fromPool = length !== 0 && length <= Buffer.poolSize >>> 1\n  if (fromPool) that.parent = rootParent\n\n  return that\n}\n\nfunction checked (length) {\n  // Note: cannot use `length < kMaxLength` here because that fails when\n  // length is NaN (which is otherwise coerced to zero.)\n  if (length >= kMaxLength()) {\n    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +\n                         'size: 0x' + kMaxLength().toString(16) + ' bytes')\n  }\n  return length | 0\n}\n\nfunction SlowBuffer (subject, encoding) {\n  if (!(this instanceof SlowBuffer)) return new SlowBuffer(subject, encoding)\n\n  var buf = new Buffer(subject, encoding)\n  delete buf.parent\n  return buf\n}\n\nBuffer.isBuffer = function isBuffer (b) {\n  return !!(b != null && b._isBuffer)\n}\n\nBuffer.compare = function compare (a, b) {\n  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {\n    throw new TypeError('Arguments must be Buffers')\n  }\n\n  if (a === b) return 0\n\n  var x = a.length\n  var y = b.length\n\n  var i = 0\n  var len = Math.min(x, y)\n  while (i < len) {\n    if (a[i] !== b[i]) break\n\n    ++i\n  }\n\n  if (i !== len) {\n    x = a[i]\n    y = b[i]\n  }\n\n  if (x < y) return -1\n  if (y < x) return 1\n  return 0\n}\n\nBuffer.isEncoding = function isEncoding (encoding) {\n  switch (String(encoding).toLowerCase()) {\n    case 'hex':\n    case 'utf8':\n    case 'utf-8':\n    case 'ascii':\n    case 'binary':\n    case 'base64':\n    case 'raw':\n    case 'ucs2':\n    case 'ucs-2':\n    case 'utf16le':\n    case 'utf-16le':\n      return true\n    default:\n      return false\n  }\n}\n\nBuffer.concat = function concat (list, length) {\n  if (!isArray(list)) throw new TypeError('list argument must be an Array of Buffers.')\n\n  if (list.length === 0) {\n    return new Buffer(0)\n  }\n\n  var i\n  if (length === undefined) {\n    length = 0\n    for (i = 0; i < list.length; i++) {\n      length += list[i].length\n    }\n  }\n\n  var buf = new Buffer(length)\n  var pos = 0\n  for (i = 0; i < list.length; i++) {\n    var item = list[i]\n    item.copy(buf, pos)\n    pos += item.length\n  }\n  return buf\n}\n\nfunction byteLength (string, encoding) {\n  if (typeof string !== 'string') string = '' + string\n\n  var len = string.length\n  if (len === 0) return 0\n\n  // Use a for loop to avoid recursion\n  var loweredCase = false\n  for (;;) {\n    switch (encoding) {\n      case 'ascii':\n      case 'binary':\n      // Deprecated\n      case 'raw':\n      case 'raws':\n        return len\n      case 'utf8':\n      case 'utf-8':\n        return utf8ToBytes(string).length\n      case 'ucs2':\n      case 'ucs-2':\n      case 'utf16le':\n      case 'utf-16le':\n        return len * 2\n      case 'hex':\n        return len >>> 1\n      case 'base64':\n        return base64ToBytes(string).length\n      default:\n        if (loweredCase) return utf8ToBytes(string).length // assume utf8\n        encoding = ('' + encoding).toLowerCase()\n        loweredCase = true\n    }\n  }\n}\nBuffer.byteLength = byteLength\n\nfunction slowToString (encoding, start, end) {\n  var loweredCase = false\n\n  start = start | 0\n  end = end === undefined || end === Infinity ? this.length : end | 0\n\n  if (!encoding) encoding = 'utf8'\n  if (start < 0) start = 0\n  if (end > this.length) end = this.length\n  if (end <= start) return ''\n\n  while (true) {\n    switch (encoding) {\n      case 'hex':\n        return hexSlice(this, start, end)\n\n      case 'utf8':\n      case 'utf-8':\n        return utf8Slice(this, start, end)\n\n      case 'ascii':\n        return asciiSlice(this, start, end)\n\n      case 'binary':\n        return binarySlice(this, start, end)\n\n      case 'base64':\n        return base64Slice(this, start, end)\n\n      case 'ucs2':\n      case 'ucs-2':\n      case 'utf16le':\n      case 'utf-16le':\n        return utf16leSlice(this, start, end)\n\n      default:\n        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)\n        encoding = (encoding + '').toLowerCase()\n        loweredCase = true\n    }\n  }\n}\n\nBuffer.prototype.toString = function toString () {\n  var length = this.length | 0\n  if (length === 0) return ''\n  if (arguments.length === 0) return utf8Slice(this, 0, length)\n  return slowToString.apply(this, arguments)\n}\n\nBuffer.prototype.equals = function equals (b) {\n  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')\n  if (this === b) return true\n  return Buffer.compare(this, b) === 0\n}\n\nBuffer.prototype.inspect = function inspect () {\n  var str = ''\n  var max = exports.INSPECT_MAX_BYTES\n  if (this.length > 0) {\n    str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')\n    if (this.length > max) str += ' ... '\n  }\n  return '<Buffer ' + str + '>'\n}\n\nBuffer.prototype.compare = function compare (b) {\n  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')\n  if (this === b) return 0\n  return Buffer.compare(this, b)\n}\n\nBuffer.prototype.indexOf = function indexOf (val, byteOffset) {\n  if (byteOffset > 0x7fffffff) byteOffset = 0x7fffffff\n  else if (byteOffset < -0x80000000) byteOffset = -0x80000000\n  byteOffset >>= 0\n\n  if (this.length === 0) return -1\n  if (byteOffset >= this.length) return -1\n\n  // Negative offsets start from the end of the buffer\n  if (byteOffset < 0) byteOffset = Math.max(this.length + byteOffset, 0)\n\n  if (typeof val === 'string') {\n    if (val.length === 0) return -1 // special case: looking for empty string always fails\n    return String.prototype.indexOf.call(this, val, byteOffset)\n  }\n  if (Buffer.isBuffer(val)) {\n    return arrayIndexOf(this, val, byteOffset)\n  }\n  if (typeof val === 'number') {\n    if (Buffer.TYPED_ARRAY_SUPPORT && Uint8Array.prototype.indexOf === 'function') {\n      return Uint8Array.prototype.indexOf.call(this, val, byteOffset)\n    }\n    return arrayIndexOf(this, [ val ], byteOffset)\n  }\n\n  function arrayIndexOf (arr, val, byteOffset) {\n    var foundIndex = -1\n    for (var i = 0; byteOffset + i < arr.length; i++) {\n      if (arr[byteOffset + i] === val[foundIndex === -1 ? 0 : i - foundIndex]) {\n        if (foundIndex === -1) foundIndex = i\n        if (i - foundIndex + 1 === val.length) return byteOffset + foundIndex\n      } else {\n        foundIndex = -1\n      }\n    }\n    return -1\n  }\n\n  throw new TypeError('val must be string, number or Buffer')\n}\n\n// `get` is deprecated\nBuffer.prototype.get = function get (offset) {\n  console.log('.get() is deprecated. Access using array indexes instead.')\n  return this.readUInt8(offset)\n}\n\n// `set` is deprecated\nBuffer.prototype.set = function set (v, offset) {\n  console.log('.set() is deprecated. Access using array indexes instead.')\n  return this.writeUInt8(v, offset)\n}\n\nfunction hexWrite (buf, string, offset, length) {\n  offset = Number(offset) || 0\n  var remaining = buf.length - offset\n  if (!length) {\n    length = remaining\n  } else {\n    length = Number(length)\n    if (length > remaining) {\n      length = remaining\n    }\n  }\n\n  // must be an even number of digits\n  var strLen = string.length\n  if (strLen % 2 !== 0) throw new Error('Invalid hex string')\n\n  if (length > strLen / 2) {\n    length = strLen / 2\n  }\n  for (var i = 0; i < length; i++) {\n    var parsed = parseInt(string.substr(i * 2, 2), 16)\n    if (isNaN(parsed)) throw new Error('Invalid hex string')\n    buf[offset + i] = parsed\n  }\n  return i\n}\n\nfunction utf8Write (buf, string, offset, length) {\n  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)\n}\n\nfunction asciiWrite (buf, string, offset, length) {\n  return blitBuffer(asciiToBytes(string), buf, offset, length)\n}\n\nfunction binaryWrite (buf, string, offset, length) {\n  return asciiWrite(buf, string, offset, length)\n}\n\nfunction base64Write (buf, string, offset, length) {\n  return blitBuffer(base64ToBytes(string), buf, offset, length)\n}\n\nfunction ucs2Write (buf, string, offset, length) {\n  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)\n}\n\nBuffer.prototype.write = function write (string, offset, length, encoding) {\n  // Buffer#write(string)\n  if (offset === undefined) {\n    encoding = 'utf8'\n    length = this.length\n    offset = 0\n  // Buffer#write(string, encoding)\n  } else if (length === undefined && typeof offset === 'string') {\n    encoding = offset\n    length = this.length\n    offset = 0\n  // Buffer#write(string, offset[, length][, encoding])\n  } else if (isFinite(offset)) {\n    offset = offset | 0\n    if (isFinite(length)) {\n      length = length | 0\n      if (encoding === undefined) encoding = 'utf8'\n    } else {\n      encoding = length\n      length = undefined\n    }\n  // legacy write(string, encoding, offset, length) - remove in v0.13\n  } else {\n    var swap = encoding\n    encoding = offset\n    offset = length | 0\n    length = swap\n  }\n\n  var remaining = this.length - offset\n  if (length === undefined || length > remaining) length = remaining\n\n  if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {\n    throw new RangeError('attempt to write outside buffer bounds')\n  }\n\n  if (!encoding) encoding = 'utf8'\n\n  var loweredCase = false\n  for (;;) {\n    switch (encoding) {\n      case 'hex':\n        return hexWrite(this, string, offset, length)\n\n      case 'utf8':\n      case 'utf-8':\n        return utf8Write(this, string, offset, length)\n\n      case 'ascii':\n        return asciiWrite(this, string, offset, length)\n\n      case 'binary':\n        return binaryWrite(this, string, offset, length)\n\n      case 'base64':\n        // Warning: maxLength not taken into account in base64Write\n        return base64Write(this, string, offset, length)\n\n      case 'ucs2':\n      case 'ucs-2':\n      case 'utf16le':\n      case 'utf-16le':\n        return ucs2Write(this, string, offset, length)\n\n      default:\n        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)\n        encoding = ('' + encoding).toLowerCase()\n        loweredCase = true\n    }\n  }\n}\n\nBuffer.prototype.toJSON = function toJSON () {\n  return {\n    type: 'Buffer',\n    data: Array.prototype.slice.call(this._arr || this, 0)\n  }\n}\n\nfunction base64Slice (buf, start, end) {\n  if (start === 0 && end === buf.length) {\n    return base64.fromByteArray(buf)\n  } else {\n    return base64.fromByteArray(buf.slice(start, end))\n  }\n}\n\nfunction utf8Slice (buf, start, end) {\n  end = Math.min(buf.length, end)\n  var res = []\n\n  var i = start\n  while (i < end) {\n    var firstByte = buf[i]\n    var codePoint = null\n    var bytesPerSequence = (firstByte > 0xEF) ? 4\n      : (firstByte > 0xDF) ? 3\n      : (firstByte > 0xBF) ? 2\n      : 1\n\n    if (i + bytesPerSequence <= end) {\n      var secondByte, thirdByte, fourthByte, tempCodePoint\n\n      switch (bytesPerSequence) {\n        case 1:\n          if (firstByte < 0x80) {\n            codePoint = firstByte\n          }\n          break\n        case 2:\n          secondByte = buf[i + 1]\n          if ((secondByte & 0xC0) === 0x80) {\n            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)\n            if (tempCodePoint > 0x7F) {\n              codePoint = tempCodePoint\n            }\n          }\n          break\n        case 3:\n          secondByte = buf[i + 1]\n          thirdByte = buf[i + 2]\n          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {\n            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)\n            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {\n              codePoint = tempCodePoint\n            }\n          }\n          break\n        case 4:\n          secondByte = buf[i + 1]\n          thirdByte = buf[i + 2]\n          fourthByte = buf[i + 3]\n          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {\n            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)\n            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {\n              codePoint = tempCodePoint\n            }\n          }\n      }\n    }\n\n    if (codePoint === null) {\n      // we did not generate a valid codePoint so insert a\n      // replacement char (U+FFFD) and advance only 1 byte\n      codePoint = 0xFFFD\n      bytesPerSequence = 1\n    } else if (codePoint > 0xFFFF) {\n      // encode to utf16 (surrogate pair dance)\n      codePoint -= 0x10000\n      res.push(codePoint >>> 10 & 0x3FF | 0xD800)\n      codePoint = 0xDC00 | codePoint & 0x3FF\n    }\n\n    res.push(codePoint)\n    i += bytesPerSequence\n  }\n\n  return decodeCodePointsArray(res)\n}\n\n// Based on http://stackoverflow.com/a/22747272/680742, the browser with\n// the lowest limit is Chrome, with 0x10000 args.\n// We go 1 magnitude less, for safety\nvar MAX_ARGUMENTS_LENGTH = 0x1000\n\nfunction decodeCodePointsArray (codePoints) {\n  var len = codePoints.length\n  if (len <= MAX_ARGUMENTS_LENGTH) {\n    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()\n  }\n\n  // Decode in chunks to avoid \"call stack size exceeded\".\n  var res = ''\n  var i = 0\n  while (i < len) {\n    res += String.fromCharCode.apply(\n      String,\n      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)\n    )\n  }\n  return res\n}\n\nfunction asciiSlice (buf, start, end) {\n  var ret = ''\n  end = Math.min(buf.length, end)\n\n  for (var i = start; i < end; i++) {\n    ret += String.fromCharCode(buf[i] & 0x7F)\n  }\n  return ret\n}\n\nfunction binarySlice (buf, start, end) {\n  var ret = ''\n  end = Math.min(buf.length, end)\n\n  for (var i = start; i < end; i++) {\n    ret += String.fromCharCode(buf[i])\n  }\n  return ret\n}\n\nfunction hexSlice (buf, start, end) {\n  var len = buf.length\n\n  if (!start || start < 0) start = 0\n  if (!end || end < 0 || end > len) end = len\n\n  var out = ''\n  for (var i = start; i < end; i++) {\n    out += toHex(buf[i])\n  }\n  return out\n}\n\nfunction utf16leSlice (buf, start, end) {\n  var bytes = buf.slice(start, end)\n  var res = ''\n  for (var i = 0; i < bytes.length; i += 2) {\n    res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256)\n  }\n  return res\n}\n\nBuffer.prototype.slice = function slice (start, end) {\n  var len = this.length\n  start = ~~start\n  end = end === undefined ? len : ~~end\n\n  if (start < 0) {\n    start += len\n    if (start < 0) start = 0\n  } else if (start > len) {\n    start = len\n  }\n\n  if (end < 0) {\n    end += len\n    if (end < 0) end = 0\n  } else if (end > len) {\n    end = len\n  }\n\n  if (end < start) end = start\n\n  var newBuf\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    newBuf = Buffer._augment(this.subarray(start, end))\n  } else {\n    var sliceLen = end - start\n    newBuf = new Buffer(sliceLen, undefined)\n    for (var i = 0; i < sliceLen; i++) {\n      newBuf[i] = this[i + start]\n    }\n  }\n\n  if (newBuf.length) newBuf.parent = this.parent || this\n\n  return newBuf\n}\n\n/*\n * Need to make sure that buffer isn't trying to write out of bounds.\n */\nfunction checkOffset (offset, ext, length) {\n  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')\n  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')\n}\n\nBuffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {\n  offset = offset | 0\n  byteLength = byteLength | 0\n  if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n  var val = this[offset]\n  var mul = 1\n  var i = 0\n  while (++i < byteLength && (mul *= 0x100)) {\n    val += this[offset + i] * mul\n  }\n\n  return val\n}\n\nBuffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {\n  offset = offset | 0\n  byteLength = byteLength | 0\n  if (!noAssert) {\n    checkOffset(offset, byteLength, this.length)\n  }\n\n  var val = this[offset + --byteLength]\n  var mul = 1\n  while (byteLength > 0 && (mul *= 0x100)) {\n    val += this[offset + --byteLength] * mul\n  }\n\n  return val\n}\n\nBuffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 1, this.length)\n  return this[offset]\n}\n\nBuffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  return this[offset] | (this[offset + 1] << 8)\n}\n\nBuffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  return (this[offset] << 8) | this[offset + 1]\n}\n\nBuffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return ((this[offset]) |\n      (this[offset + 1] << 8) |\n      (this[offset + 2] << 16)) +\n      (this[offset + 3] * 0x1000000)\n}\n\nBuffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return (this[offset] * 0x1000000) +\n    ((this[offset + 1] << 16) |\n    (this[offset + 2] << 8) |\n    this[offset + 3])\n}\n\nBuffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {\n  offset = offset | 0\n  byteLength = byteLength | 0\n  if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n  var val = this[offset]\n  var mul = 1\n  var i = 0\n  while (++i < byteLength && (mul *= 0x100)) {\n    val += this[offset + i] * mul\n  }\n  mul *= 0x80\n\n  if (val >= mul) val -= Math.pow(2, 8 * byteLength)\n\n  return val\n}\n\nBuffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {\n  offset = offset | 0\n  byteLength = byteLength | 0\n  if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n  var i = byteLength\n  var mul = 1\n  var val = this[offset + --i]\n  while (i > 0 && (mul *= 0x100)) {\n    val += this[offset + --i] * mul\n  }\n  mul *= 0x80\n\n  if (val >= mul) val -= Math.pow(2, 8 * byteLength)\n\n  return val\n}\n\nBuffer.prototype.readInt8 = function readInt8 (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 1, this.length)\n  if (!(this[offset] & 0x80)) return (this[offset])\n  return ((0xff - this[offset] + 1) * -1)\n}\n\nBuffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  var val = this[offset] | (this[offset + 1] << 8)\n  return (val & 0x8000) ? val | 0xFFFF0000 : val\n}\n\nBuffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  var val = this[offset + 1] | (this[offset] << 8)\n  return (val & 0x8000) ? val | 0xFFFF0000 : val\n}\n\nBuffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return (this[offset]) |\n    (this[offset + 1] << 8) |\n    (this[offset + 2] << 16) |\n    (this[offset + 3] << 24)\n}\n\nBuffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return (this[offset] << 24) |\n    (this[offset + 1] << 16) |\n    (this[offset + 2] << 8) |\n    (this[offset + 3])\n}\n\nBuffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 4, this.length)\n  return ieee754.read(this, offset, true, 23, 4)\n}\n\nBuffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 4, this.length)\n  return ieee754.read(this, offset, false, 23, 4)\n}\n\nBuffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 8, this.length)\n  return ieee754.read(this, offset, true, 52, 8)\n}\n\nBuffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 8, this.length)\n  return ieee754.read(this, offset, false, 52, 8)\n}\n\nfunction checkInt (buf, value, offset, ext, max, min) {\n  if (!Buffer.isBuffer(buf)) throw new TypeError('buffer must be a Buffer instance')\n  if (value > max || value < min) throw new RangeError('value is out of bounds')\n  if (offset + ext > buf.length) throw new RangeError('index out of range')\n}\n\nBuffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset | 0\n  byteLength = byteLength | 0\n  if (!noAssert) checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0)\n\n  var mul = 1\n  var i = 0\n  this[offset] = value & 0xFF\n  while (++i < byteLength && (mul *= 0x100)) {\n    this[offset + i] = (value / mul) & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset | 0\n  byteLength = byteLength | 0\n  if (!noAssert) checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0)\n\n  var i = byteLength - 1\n  var mul = 1\n  this[offset + i] = value & 0xFF\n  while (--i >= 0 && (mul *= 0x100)) {\n    this[offset + i] = (value / mul) & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)\n  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)\n  this[offset] = (value & 0xff)\n  return offset + 1\n}\n\nfunction objectWriteUInt16 (buf, value, offset, littleEndian) {\n  if (value < 0) value = 0xffff + value + 1\n  for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; i++) {\n    buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>\n      (littleEndian ? i : 1 - i) * 8\n  }\n}\n\nBuffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset] = (value & 0xff)\n    this[offset + 1] = (value >>> 8)\n  } else {\n    objectWriteUInt16(this, value, offset, true)\n  }\n  return offset + 2\n}\n\nBuffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset] = (value >>> 8)\n    this[offset + 1] = (value & 0xff)\n  } else {\n    objectWriteUInt16(this, value, offset, false)\n  }\n  return offset + 2\n}\n\nfunction objectWriteUInt32 (buf, value, offset, littleEndian) {\n  if (value < 0) value = 0xffffffff + value + 1\n  for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; i++) {\n    buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff\n  }\n}\n\nBuffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset + 3] = (value >>> 24)\n    this[offset + 2] = (value >>> 16)\n    this[offset + 1] = (value >>> 8)\n    this[offset] = (value & 0xff)\n  } else {\n    objectWriteUInt32(this, value, offset, true)\n  }\n  return offset + 4\n}\n\nBuffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset] = (value >>> 24)\n    this[offset + 1] = (value >>> 16)\n    this[offset + 2] = (value >>> 8)\n    this[offset + 3] = (value & 0xff)\n  } else {\n    objectWriteUInt32(this, value, offset, false)\n  }\n  return offset + 4\n}\n\nBuffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) {\n    var limit = Math.pow(2, 8 * byteLength - 1)\n\n    checkInt(this, value, offset, byteLength, limit - 1, -limit)\n  }\n\n  var i = 0\n  var mul = 1\n  var sub = value < 0 ? 1 : 0\n  this[offset] = value & 0xFF\n  while (++i < byteLength && (mul *= 0x100)) {\n    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) {\n    var limit = Math.pow(2, 8 * byteLength - 1)\n\n    checkInt(this, value, offset, byteLength, limit - 1, -limit)\n  }\n\n  var i = byteLength - 1\n  var mul = 1\n  var sub = value < 0 ? 1 : 0\n  this[offset + i] = value & 0xFF\n  while (--i >= 0 && (mul *= 0x100)) {\n    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)\n  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)\n  if (value < 0) value = 0xff + value + 1\n  this[offset] = (value & 0xff)\n  return offset + 1\n}\n\nBuffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset] = (value & 0xff)\n    this[offset + 1] = (value >>> 8)\n  } else {\n    objectWriteUInt16(this, value, offset, true)\n  }\n  return offset + 2\n}\n\nBuffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset] = (value >>> 8)\n    this[offset + 1] = (value & 0xff)\n  } else {\n    objectWriteUInt16(this, value, offset, false)\n  }\n  return offset + 2\n}\n\nBuffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset] = (value & 0xff)\n    this[offset + 1] = (value >>> 8)\n    this[offset + 2] = (value >>> 16)\n    this[offset + 3] = (value >>> 24)\n  } else {\n    objectWriteUInt32(this, value, offset, true)\n  }\n  return offset + 4\n}\n\nBuffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)\n  if (value < 0) value = 0xffffffff + value + 1\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset] = (value >>> 24)\n    this[offset + 1] = (value >>> 16)\n    this[offset + 2] = (value >>> 8)\n    this[offset + 3] = (value & 0xff)\n  } else {\n    objectWriteUInt32(this, value, offset, false)\n  }\n  return offset + 4\n}\n\nfunction checkIEEE754 (buf, value, offset, ext, max, min) {\n  if (value > max || value < min) throw new RangeError('value is out of bounds')\n  if (offset + ext > buf.length) throw new RangeError('index out of range')\n  if (offset < 0) throw new RangeError('index out of range')\n}\n\nfunction writeFloat (buf, value, offset, littleEndian, noAssert) {\n  if (!noAssert) {\n    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)\n  }\n  ieee754.write(buf, value, offset, littleEndian, 23, 4)\n  return offset + 4\n}\n\nBuffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {\n  return writeFloat(this, value, offset, true, noAssert)\n}\n\nBuffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {\n  return writeFloat(this, value, offset, false, noAssert)\n}\n\nfunction writeDouble (buf, value, offset, littleEndian, noAssert) {\n  if (!noAssert) {\n    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)\n  }\n  ieee754.write(buf, value, offset, littleEndian, 52, 8)\n  return offset + 8\n}\n\nBuffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {\n  return writeDouble(this, value, offset, true, noAssert)\n}\n\nBuffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {\n  return writeDouble(this, value, offset, false, noAssert)\n}\n\n// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)\nBuffer.prototype.copy = function copy (target, targetStart, start, end) {\n  if (!start) start = 0\n  if (!end && end !== 0) end = this.length\n  if (targetStart >= target.length) targetStart = target.length\n  if (!targetStart) targetStart = 0\n  if (end > 0 && end < start) end = start\n\n  // Copy 0 bytes; we're done\n  if (end === start) return 0\n  if (target.length === 0 || this.length === 0) return 0\n\n  // Fatal error conditions\n  if (targetStart < 0) {\n    throw new RangeError('targetStart out of bounds')\n  }\n  if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')\n  if (end < 0) throw new RangeError('sourceEnd out of bounds')\n\n  // Are we oob?\n  if (end > this.length) end = this.length\n  if (target.length - targetStart < end - start) {\n    end = target.length - targetStart + start\n  }\n\n  var len = end - start\n  var i\n\n  if (this === target && start < targetStart && targetStart < end) {\n    // descending copy from end\n    for (i = len - 1; i >= 0; i--) {\n      target[i + targetStart] = this[i + start]\n    }\n  } else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {\n    // ascending copy from start\n    for (i = 0; i < len; i++) {\n      target[i + targetStart] = this[i + start]\n    }\n  } else {\n    target._set(this.subarray(start, start + len), targetStart)\n  }\n\n  return len\n}\n\n// fill(value, start=0, end=buffer.length)\nBuffer.prototype.fill = function fill (value, start, end) {\n  if (!value) value = 0\n  if (!start) start = 0\n  if (!end) end = this.length\n\n  if (end < start) throw new RangeError('end < start')\n\n  // Fill 0 bytes; we're done\n  if (end === start) return\n  if (this.length === 0) return\n\n  if (start < 0 || start >= this.length) throw new RangeError('start out of bounds')\n  if (end < 0 || end > this.length) throw new RangeError('end out of bounds')\n\n  var i\n  if (typeof value === 'number') {\n    for (i = start; i < end; i++) {\n      this[i] = value\n    }\n  } else {\n    var bytes = utf8ToBytes(value.toString())\n    var len = bytes.length\n    for (i = start; i < end; i++) {\n      this[i] = bytes[i % len]\n    }\n  }\n\n  return this\n}\n\n/**\n * Creates a new `ArrayBuffer` with the *copied* memory of the buffer instance.\n * Added in Node 0.12. Only available in browsers that support ArrayBuffer.\n */\nBuffer.prototype.toArrayBuffer = function toArrayBuffer () {\n  if (typeof Uint8Array !== 'undefined') {\n    if (Buffer.TYPED_ARRAY_SUPPORT) {\n      return (new Buffer(this)).buffer\n    } else {\n      var buf = new Uint8Array(this.length)\n      for (var i = 0, len = buf.length; i < len; i += 1) {\n        buf[i] = this[i]\n      }\n      return buf.buffer\n    }\n  } else {\n    throw new TypeError('Buffer.toArrayBuffer not supported in this browser')\n  }\n}\n\n// HELPER FUNCTIONS\n// ================\n\nvar BP = Buffer.prototype\n\n/**\n * Augment a Uint8Array *instance* (not the Uint8Array class!) with Buffer methods\n */\nBuffer._augment = function _augment (arr) {\n  arr.constructor = Buffer\n  arr._isBuffer = true\n\n  // save reference to original Uint8Array set method before overwriting\n  arr._set = arr.set\n\n  // deprecated\n  arr.get = BP.get\n  arr.set = BP.set\n\n  arr.write = BP.write\n  arr.toString = BP.toString\n  arr.toLocaleString = BP.toString\n  arr.toJSON = BP.toJSON\n  arr.equals = BP.equals\n  arr.compare = BP.compare\n  arr.indexOf = BP.indexOf\n  arr.copy = BP.copy\n  arr.slice = BP.slice\n  arr.readUIntLE = BP.readUIntLE\n  arr.readUIntBE = BP.readUIntBE\n  arr.readUInt8 = BP.readUInt8\n  arr.readUInt16LE = BP.readUInt16LE\n  arr.readUInt16BE = BP.readUInt16BE\n  arr.readUInt32LE = BP.readUInt32LE\n  arr.readUInt32BE = BP.readUInt32BE\n  arr.readIntLE = BP.readIntLE\n  arr.readIntBE = BP.readIntBE\n  arr.readInt8 = BP.readInt8\n  arr.readInt16LE = BP.readInt16LE\n  arr.readInt16BE = BP.readInt16BE\n  arr.readInt32LE = BP.readInt32LE\n  arr.readInt32BE = BP.readInt32BE\n  arr.readFloatLE = BP.readFloatLE\n  arr.readFloatBE = BP.readFloatBE\n  arr.readDoubleLE = BP.readDoubleLE\n  arr.readDoubleBE = BP.readDoubleBE\n  arr.writeUInt8 = BP.writeUInt8\n  arr.writeUIntLE = BP.writeUIntLE\n  arr.writeUIntBE = BP.writeUIntBE\n  arr.writeUInt16LE = BP.writeUInt16LE\n  arr.writeUInt16BE = BP.writeUInt16BE\n  arr.writeUInt32LE = BP.writeUInt32LE\n  arr.writeUInt32BE = BP.writeUInt32BE\n  arr.writeIntLE = BP.writeIntLE\n  arr.writeIntBE = BP.writeIntBE\n  arr.writeInt8 = BP.writeInt8\n  arr.writeInt16LE = BP.writeInt16LE\n  arr.writeInt16BE = BP.writeInt16BE\n  arr.writeInt32LE = BP.writeInt32LE\n  arr.writeInt32BE = BP.writeInt32BE\n  arr.writeFloatLE = BP.writeFloatLE\n  arr.writeFloatBE = BP.writeFloatBE\n  arr.writeDoubleLE = BP.writeDoubleLE\n  arr.writeDoubleBE = BP.writeDoubleBE\n  arr.fill = BP.fill\n  arr.inspect = BP.inspect\n  arr.toArrayBuffer = BP.toArrayBuffer\n\n  return arr\n}\n\nvar INVALID_BASE64_RE = /[^+\\/0-9A-Za-z-_]/g\n\nfunction base64clean (str) {\n  // Node strips out invalid characters like \\n and \\t from the string, base64-js does not\n  str = stringtrim(str).replace(INVALID_BASE64_RE, '')\n  // Node converts strings with length < 2 to ''\n  if (str.length < 2) return ''\n  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not\n  while (str.length % 4 !== 0) {\n    str = str + '='\n  }\n  return str\n}\n\nfunction stringtrim (str) {\n  if (str.trim) return str.trim()\n  return str.replace(/^\\s+|\\s+$/g, '')\n}\n\nfunction toHex (n) {\n  if (n < 16) return '0' + n.toString(16)\n  return n.toString(16)\n}\n\nfunction utf8ToBytes (string, units) {\n  units = units || Infinity\n  var codePoint\n  var length = string.length\n  var leadSurrogate = null\n  var bytes = []\n\n  for (var i = 0; i < length; i++) {\n    codePoint = string.charCodeAt(i)\n\n    // is surrogate component\n    if (codePoint > 0xD7FF && codePoint < 0xE000) {\n      // last char was a lead\n      if (!leadSurrogate) {\n        // no lead yet\n        if (codePoint > 0xDBFF) {\n          // unexpected trail\n          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n          continue\n        } else if (i + 1 === length) {\n          // unpaired lead\n          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n          continue\n        }\n\n        // valid lead\n        leadSurrogate = codePoint\n\n        continue\n      }\n\n      // 2 leads in a row\n      if (codePoint < 0xDC00) {\n        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n        leadSurrogate = codePoint\n        continue\n      }\n\n      // valid surrogate pair\n      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000\n    } else if (leadSurrogate) {\n      // valid bmp char, but last char was a lead\n      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n    }\n\n    leadSurrogate = null\n\n    // encode utf8\n    if (codePoint < 0x80) {\n      if ((units -= 1) < 0) break\n      bytes.push(codePoint)\n    } else if (codePoint < 0x800) {\n      if ((units -= 2) < 0) break\n      bytes.push(\n        codePoint >> 0x6 | 0xC0,\n        codePoint & 0x3F | 0x80\n      )\n    } else if (codePoint < 0x10000) {\n      if ((units -= 3) < 0) break\n      bytes.push(\n        codePoint >> 0xC | 0xE0,\n        codePoint >> 0x6 & 0x3F | 0x80,\n        codePoint & 0x3F | 0x80\n      )\n    } else if (codePoint < 0x110000) {\n      if ((units -= 4) < 0) break\n      bytes.push(\n        codePoint >> 0x12 | 0xF0,\n        codePoint >> 0xC & 0x3F | 0x80,\n        codePoint >> 0x6 & 0x3F | 0x80,\n        codePoint & 0x3F | 0x80\n      )\n    } else {\n      throw new Error('Invalid code point')\n    }\n  }\n\n  return bytes\n}\n\nfunction asciiToBytes (str) {\n  var byteArray = []\n  for (var i = 0; i < str.length; i++) {\n    // Node's code seems to be doing this and not & 0x7F..\n    byteArray.push(str.charCodeAt(i) & 0xFF)\n  }\n  return byteArray\n}\n\nfunction utf16leToBytes (str, units) {\n  var c, hi, lo\n  var byteArray = []\n  for (var i = 0; i < str.length; i++) {\n    if ((units -= 2) < 0) break\n\n    c = str.charCodeAt(i)\n    hi = c >> 8\n    lo = c % 256\n    byteArray.push(lo)\n    byteArray.push(hi)\n  }\n\n  return byteArray\n}\n\nfunction base64ToBytes (str) {\n  return base64.toByteArray(base64clean(str))\n}\n\nfunction blitBuffer (src, dst, offset, length) {\n  for (var i = 0; i < length; i++) {\n    if ((i + offset >= dst.length) || (i >= src.length)) break\n    dst[i + offset] = src[i]\n  }\n  return i\n}\n","var toString = {}.toString;\n\nmodule.exports = Array.isArray || function (arr) {\n  return toString.call(arr) == '[object Array]';\n};\n","exports.read = function (buffer, offset, isLE, mLen, nBytes) {\n  var e, m\n  var eLen = (nBytes * 8) - mLen - 1\n  var eMax = (1 << eLen) - 1\n  var eBias = eMax >> 1\n  var nBits = -7\n  var i = isLE ? (nBytes - 1) : 0\n  var d = isLE ? -1 : 1\n  var s = buffer[offset + i]\n\n  i += d\n\n  e = s & ((1 << (-nBits)) - 1)\n  s >>= (-nBits)\n  nBits += eLen\n  for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {}\n\n  m = e & ((1 << (-nBits)) - 1)\n  e >>= (-nBits)\n  nBits += mLen\n  for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {}\n\n  if (e === 0) {\n    e = 1 - eBias\n  } else if (e === eMax) {\n    return m ? NaN : ((s ? -1 : 1) * Infinity)\n  } else {\n    m = m + Math.pow(2, mLen)\n    e = e - eBias\n  }\n  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)\n}\n\nexports.write = function (buffer, value, offset, isLE, mLen, nBytes) {\n  var e, m, c\n  var eLen = (nBytes * 8) - mLen - 1\n  var eMax = (1 << eLen) - 1\n  var eBias = eMax >> 1\n  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)\n  var i = isLE ? 0 : (nBytes - 1)\n  var d = isLE ? 1 : -1\n  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0\n\n  value = Math.abs(value)\n\n  if (isNaN(value) || value === Infinity) {\n    m = isNaN(value) ? 1 : 0\n    e = eMax\n  } else {\n    e = Math.floor(Math.log(value) / Math.LN2)\n    if (value * (c = Math.pow(2, -e)) < 1) {\n      e--\n      c *= 2\n    }\n    if (e + eBias >= 1) {\n      value += rt / c\n    } else {\n      value += rt * Math.pow(2, 1 - eBias)\n    }\n    if (value * c >= 2) {\n      e++\n      c /= 2\n    }\n\n    if (e + eBias >= eMax) {\n      m = 0\n      e = eMax\n    } else if (e + eBias >= 1) {\n      m = ((value * c) - 1) * Math.pow(2, mLen)\n      e = e + eBias\n    } else {\n      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)\n      e = 0\n    }\n  }\n\n  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}\n\n  e = (e << mLen) | m\n  eLen += mLen\n  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}\n\n  buffer[offset + i - d] |= s * 128\n}\n","/*\n * $Id: base64.js,v 2.15 2014/04/05 12:58:57 dankogai Exp dankogai $\n *\n *  Licensed under the MIT license.\n *    http://opensource.org/licenses/mit-license\n *\n *  References:\n *    http://en.wikipedia.org/wiki/Base64\n */\n\n(function(global) {\n    'use strict';\n    // existing version for noConflict()\n    var _Base64 = global.Base64;\n    var version = \"2.1.9\";\n    // if node.js, we use Buffer\n    var buffer;\n    if (typeof module !== 'undefined' && module.exports) {\n        try {\n            buffer = require('buffer').Buffer;\n        } catch (err) {}\n    }\n    // constants\n    var b64chars\n        = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';\n    var b64tab = function(bin) {\n        var t = {};\n        for (var i = 0, l = bin.length; i < l; i++) t[bin.charAt(i)] = i;\n        return t;\n    }(b64chars);\n    var fromCharCode = String.fromCharCode;\n    // encoder stuff\n    var cb_utob = function(c) {\n        if (c.length < 2) {\n            var cc = c.charCodeAt(0);\n            return cc < 0x80 ? c\n                : cc < 0x800 ? (fromCharCode(0xc0 | (cc >>> 6))\n                                + fromCharCode(0x80 | (cc & 0x3f)))\n                : (fromCharCode(0xe0 | ((cc >>> 12) & 0x0f))\n                   + fromCharCode(0x80 | ((cc >>>  6) & 0x3f))\n                   + fromCharCode(0x80 | ( cc         & 0x3f)));\n        } else {\n            var cc = 0x10000\n                + (c.charCodeAt(0) - 0xD800) * 0x400\n                + (c.charCodeAt(1) - 0xDC00);\n            return (fromCharCode(0xf0 | ((cc >>> 18) & 0x07))\n                    + fromCharCode(0x80 | ((cc >>> 12) & 0x3f))\n                    + fromCharCode(0x80 | ((cc >>>  6) & 0x3f))\n                    + fromCharCode(0x80 | ( cc         & 0x3f)));\n        }\n    };\n    var re_utob = /[\\uD800-\\uDBFF][\\uDC00-\\uDFFFF]|[^\\x00-\\x7F]/g;\n    var utob = function(u) {\n        return u.replace(re_utob, cb_utob);\n    };\n    var cb_encode = function(ccc) {\n        var padlen = [0, 2, 1][ccc.length % 3],\n        ord = ccc.charCodeAt(0) << 16\n            | ((ccc.length > 1 ? ccc.charCodeAt(1) : 0) << 8)\n            | ((ccc.length > 2 ? ccc.charCodeAt(2) : 0)),\n        chars = [\n            b64chars.charAt( ord >>> 18),\n            b64chars.charAt((ord >>> 12) & 63),\n            padlen >= 2 ? '=' : b64chars.charAt((ord >>> 6) & 63),\n            padlen >= 1 ? '=' : b64chars.charAt(ord & 63)\n        ];\n        return chars.join('');\n    };\n    var btoa = global.btoa ? function(b) {\n        return global.btoa(b);\n    } : function(b) {\n        return b.replace(/[\\s\\S]{1,3}/g, cb_encode);\n    };\n    var _encode = buffer ? function (u) {\n        return (u.constructor === buffer.constructor ? u : new buffer(u))\n        .toString('base64')\n    }\n    : function (u) { return btoa(utob(u)) }\n    ;\n    var encode = function(u, urisafe) {\n        return !urisafe\n            ? _encode(String(u))\n            : _encode(String(u)).replace(/[+\\/]/g, function(m0) {\n                return m0 == '+' ? '-' : '_';\n            }).replace(/=/g, '');\n    };\n    var encodeURI = function(u) { return encode(u, true) };\n    // decoder stuff\n    var re_btou = new RegExp([\n        '[\\xC0-\\xDF][\\x80-\\xBF]',\n        '[\\xE0-\\xEF][\\x80-\\xBF]{2}',\n        '[\\xF0-\\xF7][\\x80-\\xBF]{3}'\n    ].join('|'), 'g');\n    var cb_btou = function(cccc) {\n        switch(cccc.length) {\n        case 4:\n            var cp = ((0x07 & cccc.charCodeAt(0)) << 18)\n                |    ((0x3f & cccc.charCodeAt(1)) << 12)\n                |    ((0x3f & cccc.charCodeAt(2)) <<  6)\n                |     (0x3f & cccc.charCodeAt(3)),\n            offset = cp - 0x10000;\n            return (fromCharCode((offset  >>> 10) + 0xD800)\n                    + fromCharCode((offset & 0x3FF) + 0xDC00));\n        case 3:\n            return fromCharCode(\n                ((0x0f & cccc.charCodeAt(0)) << 12)\n                    | ((0x3f & cccc.charCodeAt(1)) << 6)\n                    |  (0x3f & cccc.charCodeAt(2))\n            );\n        default:\n            return  fromCharCode(\n                ((0x1f & cccc.charCodeAt(0)) << 6)\n                    |  (0x3f & cccc.charCodeAt(1))\n            );\n        }\n    };\n    var btou = function(b) {\n        return b.replace(re_btou, cb_btou);\n    };\n    var cb_decode = function(cccc) {\n        var len = cccc.length,\n        padlen = len % 4,\n        n = (len > 0 ? b64tab[cccc.charAt(0)] << 18 : 0)\n            | (len > 1 ? b64tab[cccc.charAt(1)] << 12 : 0)\n            | (len > 2 ? b64tab[cccc.charAt(2)] <<  6 : 0)\n            | (len > 3 ? b64tab[cccc.charAt(3)]       : 0),\n        chars = [\n            fromCharCode( n >>> 16),\n            fromCharCode((n >>>  8) & 0xff),\n            fromCharCode( n         & 0xff)\n        ];\n        chars.length -= [0, 0, 2, 1][padlen];\n        return chars.join('');\n    };\n    var atob = global.atob ? function(a) {\n        return global.atob(a);\n    } : function(a){\n        return a.replace(/[\\s\\S]{1,4}/g, cb_decode);\n    };\n    var _decode = buffer ? function(a) {\n        return (a.constructor === buffer.constructor\n                ? a : new buffer(a, 'base64')).toString();\n    }\n    : function(a) { return btou(atob(a)) };\n    var decode = function(a){\n        return _decode(\n            String(a).replace(/[-_]/g, function(m0) { return m0 == '-' ? '+' : '/' })\n                .replace(/[^A-Za-z0-9\\+\\/]/g, '')\n        );\n    };\n    var noConflict = function() {\n        var Base64 = global.Base64;\n        global.Base64 = _Base64;\n        return Base64;\n    };\n    // export Base64\n    global.Base64 = {\n        VERSION: version,\n        atob: atob,\n        btoa: btoa,\n        fromBase64: decode,\n        toBase64: encode,\n        utob: utob,\n        encode: encode,\n        encodeURI: encodeURI,\n        btou: btou,\n        decode: decode,\n        noConflict: noConflict\n    };\n    // if ES5 is available, make Base64.extendString() available\n    if (typeof Object.defineProperty === 'function') {\n        var noEnum = function(v){\n            return {value:v,enumerable:false,writable:true,configurable:true};\n        };\n        global.Base64.extendString = function () {\n            Object.defineProperty(\n                String.prototype, 'fromBase64', noEnum(function () {\n                    return decode(this)\n                }));\n            Object.defineProperty(\n                String.prototype, 'toBase64', noEnum(function (urisafe) {\n                    return encode(this, urisafe)\n                }));\n            Object.defineProperty(\n                String.prototype, 'toBase64URI', noEnum(function () {\n                    return encode(this, true)\n                }));\n        };\n    }\n    // that's it!\n    if (global['Meteor']) {\n       Base64 = global.Base64; // for normal export in Meteor.js\n    }\n})(this);\n","/*!\n * JavaScript Cookie v2.2.1\n * https://github.com/js-cookie/js-cookie\n *\n * Copyright 2006, 2015 Klaus Hartl & Fagner Brack\n * Released under the MIT license\n */\n;(function (factory) {\n\tvar registeredInModuleLoader;\n\tif (typeof define === 'function' && define.amd) {\n\t\tdefine(factory);\n\t\tregisteredInModuleLoader = true;\n\t}\n\tif (typeof exports === 'object') {\n\t\tmodule.exports = factory();\n\t\tregisteredInModuleLoader = true;\n\t}\n\tif (!registeredInModuleLoader) {\n\t\tvar OldCookies = window.Cookies;\n\t\tvar api = window.Cookies = factory();\n\t\tapi.noConflict = function () {\n\t\t\twindow.Cookies = OldCookies;\n\t\t\treturn api;\n\t\t};\n\t}\n}(function () {\n\tfunction extend () {\n\t\tvar i = 0;\n\t\tvar result = {};\n\t\tfor (; i < arguments.length; i++) {\n\t\t\tvar attributes = arguments[ i ];\n\t\t\tfor (var key in attributes) {\n\t\t\t\tresult[key] = attributes[key];\n\t\t\t}\n\t\t}\n\t\treturn result;\n\t}\n\n\tfunction decode (s) {\n\t\treturn s.replace(/(%[0-9A-Z]{2})+/g, decodeURIComponent);\n\t}\n\n\tfunction init (converter) {\n\t\tfunction api() {}\n\n\t\tfunction set (key, value, attributes) {\n\t\t\tif (typeof document === 'undefined') {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tattributes = extend({\n\t\t\t\tpath: '/'\n\t\t\t}, api.defaults, attributes);\n\n\t\t\tif (typeof attributes.expires === 'number') {\n\t\t\t\tattributes.expires = new Date(new Date() * 1 + attributes.expires * 864e+5);\n\t\t\t}\n\n\t\t\t// We're using \"expires\" because \"max-age\" is not supported by IE\n\t\t\tattributes.expires = attributes.expires ? attributes.expires.toUTCString() : '';\n\n\t\t\ttry {\n\t\t\t\tvar result = JSON.stringify(value);\n\t\t\t\tif (/^[\\{\\[]/.test(result)) {\n\t\t\t\t\tvalue = result;\n\t\t\t\t}\n\t\t\t} catch (e) {}\n\n\t\t\tvalue = converter.write ?\n\t\t\t\tconverter.write(value, key) :\n\t\t\t\tencodeURIComponent(String(value))\n\t\t\t\t\t.replace(/%(23|24|26|2B|3A|3C|3E|3D|2F|3F|40|5B|5D|5E|60|7B|7D|7C)/g, decodeURIComponent);\n\n\t\t\tkey = encodeURIComponent(String(key))\n\t\t\t\t.replace(/%(23|24|26|2B|5E|60|7C)/g, decodeURIComponent)\n\t\t\t\t.replace(/[\\(\\)]/g, escape);\n\n\t\t\tvar stringifiedAttributes = '';\n\t\t\tfor (var attributeName in attributes) {\n\t\t\t\tif (!attributes[attributeName]) {\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t\tstringifiedAttributes += '; ' + attributeName;\n\t\t\t\tif (attributes[attributeName] === true) {\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\n\t\t\t\t// Considers RFC 6265 section 5.2:\n\t\t\t\t// ...\n\t\t\t\t// 3.  If the remaining unparsed-attributes contains a %x3B (\";\")\n\t\t\t\t//     character:\n\t\t\t\t// Consume the characters of the unparsed-attributes up to,\n\t\t\t\t// not including, the first %x3B (\";\") character.\n\t\t\t\t// ...\n\t\t\t\tstringifiedAttributes += '=' + attributes[attributeName].split(';')[0];\n\t\t\t}\n\n\t\t\treturn (document.cookie = key + '=' + value + stringifiedAttributes);\n\t\t}\n\n\t\tfunction get (key, json) {\n\t\t\tif (typeof document === 'undefined') {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tvar jar = {};\n\t\t\t// To prevent the for loop in the first place assign an empty array\n\t\t\t// in case there are no cookies at all.\n\t\t\tvar cookies = document.cookie ? document.cookie.split('; ') : [];\n\t\t\tvar i = 0;\n\n\t\t\tfor (; i < cookies.length; i++) {\n\t\t\t\tvar parts = cookies[i].split('=');\n\t\t\t\tvar cookie = parts.slice(1).join('=');\n\n\t\t\t\tif (!json && cookie.charAt(0) === '\"') {\n\t\t\t\t\tcookie = cookie.slice(1, -1);\n\t\t\t\t}\n\n\t\t\t\ttry {\n\t\t\t\t\tvar name = decode(parts[0]);\n\t\t\t\t\tcookie = (converter.read || converter)(cookie, name) ||\n\t\t\t\t\t\tdecode(cookie);\n\n\t\t\t\t\tif (json) {\n\t\t\t\t\t\ttry {\n\t\t\t\t\t\t\tcookie = JSON.parse(cookie);\n\t\t\t\t\t\t} catch (e) {}\n\t\t\t\t\t}\n\n\t\t\t\t\tjar[name] = cookie;\n\n\t\t\t\t\tif (key === name) {\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t} catch (e) {}\n\t\t\t}\n\n\t\t\treturn key ? jar[key] : jar;\n\t\t}\n\n\t\tapi.set = set;\n\t\tapi.get = function (key) {\n\t\t\treturn get(key, false /* read as raw */);\n\t\t};\n\t\tapi.getJSON = function (key) {\n\t\t\treturn get(key, true /* read as json */);\n\t\t};\n\t\tapi.remove = function (key, attributes) {\n\t\t\tset(key, '', extend(attributes, {\n\t\t\t\texpires: -1\n\t\t\t}));\n\t\t};\n\n\t\tapi.defaults = {};\n\n\t\tapi.withConverter = init;\n\n\t\treturn api;\n\t}\n\n\treturn init(function () {});\n}));\n","\nvar rx_escapable = /[\\\\\\\"\\u0000-\\u001f\\u007f-\\u009f\\u00ad\\u0600-\\u0604\\u070f\\u17b4\\u17b5\\u200c-\\u200f\\u2028-\\u202f\\u2060-\\u206f\\ufeff\\ufff0-\\uffff]/g;\n\nvar gap,\n    indent,\n    meta = { // table of character substitutions\n      '\\b': '\\\\b',\n      '\\t': '\\\\t',\n      '\\n': '\\\\n',\n      '\\f': '\\\\f',\n      '\\r': '\\\\r',\n      '\"': '\\\\\"',\n      '\\\\': '\\\\\\\\'\n    },\n    rep;\n\nfunction quote(string) {\n\n// If the string contains no control characters, no quote characters, and no\n// backslash characters, then we can safely slap some quotes around it.\n// Otherwise we must also replace the offending characters with safe escape\n// sequences.\n\n    rx_escapable.lastIndex = 0;\n    return rx_escapable.test(string)\n        ? '\"' + string.replace(rx_escapable, function (a) {\n            var c = meta[a];\n            return typeof c === 'string'\n                ? c\n                : '\\\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);\n        }) + '\"'\n        : '\"' + string + '\"';\n}\n\n\nfunction str(key, holder, limit) {\n\n// Produce a string from holder[key].\n\n    var i,          // The loop counter.\n        k,          // The member key.\n        v,          // The member value.\n        length,\n        mind = gap,\n        partial,\n        value = holder[key];\n\n// If the value has a toJSON method, call it to obtain a replacement value.\n\n    if (value && typeof value === 'object' &&\n            typeof value.toJSON === 'function') {\n        value = value.toJSON(key);\n    }\n\n// If we were called with a replacer function, then call the replacer to\n// obtain a replacement value.\n\n    if (typeof rep === 'function') {\n        value = rep.call(holder, key, value);\n    }\n\n// What happens next depends on the value's type.\n\n    switch (typeof value) {\n    case 'string':\n        return quote(value);\n\n    case 'number':\n\n// JSON numbers must be finite. Encode non-finite numbers as null.\n\n        return isFinite(value)\n            ? String(value)\n            : 'null';\n\n    case 'boolean':\n    case 'null':\n\n// If the value is a boolean or null, convert it to a string. Note:\n// typeof null does not produce 'null'. The case is included here in\n// the remote chance that this gets fixed someday.\n\n        return String(value);\n\n// If the type is 'object', we might be dealing with an object or an array or\n// null.\n\n    case 'object':\n\n// Due to a specification blunder in ECMAScript, typeof null is 'object',\n// so watch out for that case.\n\n        if (!value) {\n            return 'null';\n        }\n\n// Make an array to hold the partial results of stringifying this object value.\n\n        gap += indent;\n        partial = [];\n\n// Is the value an array?\n\n        if (Object.prototype.toString.apply(value) === '[object Array]') {\n\n// The value is an array. Stringify every element. Use null as a placeholder\n// for non-JSON values.\n\n            length = value.length;\n            for (i = 0; i < length; i += 1) {\n                partial[i] = str(i, value, limit) || 'null';\n            }\n\n// Join all of the elements together, separated with commas, and wrap them in\n// brackets.\n\n            v = partial.length === 0\n                ? '[]'\n                : gap\n                    ? (\n                      gap.length + partial.join(', ').length + 4 > limit ?\n                      '[\\n' + gap + partial.join(',\\n' + gap) + '\\n' + mind + ']' :\n                      '[ ' + partial.join(', ') + ' ]'\n                    )\n                    : '[' + partial.join(',') + ']';\n            gap = mind;\n            return v;\n        }\n\n// If the replacer is an array, use it to select the members to be stringified.\n\n        if (rep && typeof rep === 'object') {\n            length = rep.length;\n            for (i = 0; i < length; i += 1) {\n                if (typeof rep[i] === 'string') {\n                    k = rep[i];\n                    v = str(k, value, limit);\n                    if (v) {\n                        partial.push(quote(k) + (\n                            gap\n                                ? ': '\n                                : ':'\n                        ) + v);\n                    }\n                }\n            }\n        } else {\n\n// Otherwise, iterate through all of the keys in the object.\n\n            for (k in value) {\n                if (Object.prototype.hasOwnProperty.call(value, k)) {\n                    v = str(k, value, limit);\n                    if (v) {\n                        partial.push(quote(k) + (\n                            gap\n                                ? ': '\n                                : ':'\n                        ) + v);\n                    }\n                }\n            }\n        }\n\n// Join all of the member texts together, separated with commas,\n// and wrap them in braces.\n\n        v = partial.length === 0\n            ? '{}'\n            : gap\n                ? (\n                  gap.length + partial.join(', ').length + 4 > limit ?\n                  '{\\n' + gap + partial.join(',\\n' + gap) + '\\n' + mind + '}' :\n                  '{ ' + partial.join(', ') + ' }'\n                )\n                : '{' + partial.join(',') + '}';\n        gap = mind;\n        return v;\n    }\n}\n\n\nfunction beautify (value, replacer, space, limit) {\n\n// The stringify method takes a value and an optional replacer, and an optional\n// space parameter, and returns a JSON text. The replacer can be a function\n// that can replace values, or an array of strings that will select the keys.\n// A default replacer method can be provided. Use of the space parameter can\n// produce text that is more easily readable.\n\n  var i;\n  gap = '';\n  indent = '';\n\n  if (!limit) limit = 0;\n\n  if (typeof limit !== \"number\")\n    throw new Error(\"beaufifier: limit must be a number\");\n\n// If the space parameter is a number, make an indent string containing that\n// many spaces.\n\n  if (typeof space === 'number') {\n      for (i = 0; i < space; i += 1) {\n          indent += ' ';\n      }\n\n// If the space parameter is a string, it will be used as the indent string.\n\n  } else if (typeof space === 'string') {\n      indent = space;\n  }\n\n// If there is a replacer, it must be a function or an array.\n// Otherwise, throw an error.\n\n  rep = replacer;\n  if (replacer && typeof replacer !== 'function' &&\n          (typeof replacer !== 'object' ||\n          typeof replacer.length !== 'number')) {\n      throw new Error('beautifier: wrong replacer parameter');\n  }\n\n// Make a fake root object containing our value under the key of ''.\n// Return the result of stringifying the value.\n\n  return str('', {'': value}, limit);\n}\n\nmodule.exports = beautify;\n","/**\n * @license\n * lodash 3.10.1 (Custom Build) <https://lodash.com/>\n * Build: `lodash modern -d -o ./index.js`\n * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>\n * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n * Available under MIT license <https://lodash.com/license>\n */\n;(function() {\n\n  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n  var undefined;\n\n  /** Used as the semantic version number. */\n  var VERSION = '3.10.1';\n\n  /** Used to compose bitmasks for wrapper metadata. */\n  var BIND_FLAG = 1,\n      BIND_KEY_FLAG = 2,\n      CURRY_BOUND_FLAG = 4,\n      CURRY_FLAG = 8,\n      CURRY_RIGHT_FLAG = 16,\n      PARTIAL_FLAG = 32,\n      PARTIAL_RIGHT_FLAG = 64,\n      ARY_FLAG = 128,\n      REARG_FLAG = 256;\n\n  /** Used as default options for `_.trunc`. */\n  var DEFAULT_TRUNC_LENGTH = 30,\n      DEFAULT_TRUNC_OMISSION = '...';\n\n  /** Used to detect when a function becomes hot. */\n  var HOT_COUNT = 150,\n      HOT_SPAN = 16;\n\n  /** Used as the size to enable large array optimizations. */\n  var LARGE_ARRAY_SIZE = 200;\n\n  /** Used to indicate the type of lazy iteratees. */\n  var LAZY_FILTER_FLAG = 1,\n      LAZY_MAP_FLAG = 2;\n\n  /** Used as the `TypeError` message for \"Functions\" methods. */\n  var FUNC_ERROR_TEXT = 'Expected a function';\n\n  /** Used as the internal argument placeholder. */\n  var PLACEHOLDER = '__lodash_placeholder__';\n\n  /** `Object#toString` result references. */\n  var argsTag = '[object Arguments]',\n      arrayTag = '[object Array]',\n      boolTag = '[object Boolean]',\n      dateTag = '[object Date]',\n      errorTag = '[object Error]',\n      funcTag = '[object Function]',\n      mapTag = '[object Map]',\n      numberTag = '[object Number]',\n      objectTag = '[object Object]',\n      regexpTag = '[object RegExp]',\n      setTag = '[object Set]',\n      stringTag = '[object String]',\n      weakMapTag = '[object WeakMap]';\n\n  var arrayBufferTag = '[object ArrayBuffer]',\n      float32Tag = '[object Float32Array]',\n      float64Tag = '[object Float64Array]',\n      int8Tag = '[object Int8Array]',\n      int16Tag = '[object Int16Array]',\n      int32Tag = '[object Int32Array]',\n      uint8Tag = '[object Uint8Array]',\n      uint8ClampedTag = '[object Uint8ClampedArray]',\n      uint16Tag = '[object Uint16Array]',\n      uint32Tag = '[object Uint32Array]';\n\n  /** Used to match empty string literals in compiled template source. */\n  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\n  /** Used to match HTML entities and HTML characters. */\n  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39|#96);/g,\n      reUnescapedHtml = /[&<>\"'`]/g,\n      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\n  /** Used to match template delimiters. */\n  var reEscape = /<%-([\\s\\S]+?)%>/g,\n      reEvaluate = /<%([\\s\\S]+?)%>/g,\n      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\n  /** Used to match property names within property paths. */\n  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\n\\\\]|\\\\.)*?\\1)\\]/,\n      reIsPlainProp = /^\\w*$/,\n      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\n\\\\]|\\\\.)*?)\\2)\\]/g;\n\n  /**\n   * Used to match `RegExp` [syntax characters](http://ecma-international.org/ecma-262/6.0/#sec-patterns)\n   * and those outlined by [`EscapeRegExpPattern`](http://ecma-international.org/ecma-262/6.0/#sec-escaperegexppattern).\n   */\n  var reRegExpChars = /^[:!,]|[\\\\^$.*+?()[\\]{}|\\/]|(^[0-9a-fA-Fnrtuvx])|([\\n\\r\\u2028\\u2029])/g,\n      reHasRegExpChars = RegExp(reRegExpChars.source);\n\n  /** Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks). */\n  var reComboMark = /[\\u0300-\\u036f\\ufe20-\\ufe23]/g;\n\n  /** Used to match backslashes in property paths. */\n  var reEscapeChar = /\\\\(\\\\)?/g;\n\n  /** Used to match [ES template delimiters](http://ecma-international.org/ecma-262/6.0/#sec-template-literal-lexical-components). */\n  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\n  /** Used to match `RegExp` flags from their coerced string values. */\n  var reFlags = /\\w*$/;\n\n  /** Used to detect hexadecimal string values. */\n  var reHasHexPrefix = /^0[xX]/;\n\n  /** Used to detect host constructors (Safari > 5). */\n  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n  /** Used to detect unsigned integer values. */\n  var reIsUint = /^\\d+$/;\n\n  /** Used to match latin-1 supplementary letters (excluding mathematical operators). */\n  var reLatin1 = /[\\xc0-\\xd6\\xd8-\\xde\\xdf-\\xf6\\xf8-\\xff]/g;\n\n  /** Used to ensure capturing order of template delimiters. */\n  var reNoMatch = /($^)/;\n\n  /** Used to match unescaped characters in compiled string literals. */\n  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\n  /** Used to match words to create compound words. */\n  var reWords = (function() {\n    var upper = '[A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde]',\n        lower = '[a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff]+';\n\n    return RegExp(upper + '+(?=' + upper + lower + ')|' + upper + '?' + lower + '|' + upper + '+|[0-9]+', 'g');\n  }());\n\n  /** Used to assign default `context` object properties. */\n  var contextProps = [\n    'Array', 'ArrayBuffer', 'Date', 'Error', 'Float32Array', 'Float64Array',\n    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Math', 'Number',\n    'Object', 'RegExp', 'Set', 'String', '_', 'clearTimeout', 'isFinite',\n    'parseFloat', 'parseInt', 'setTimeout', 'TypeError', 'Uint8Array',\n    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap'\n  ];\n\n  /** Used to make template sourceURLs easier to identify. */\n  var templateCounter = -1;\n\n  /** Used to identify `toStringTag` values of typed arrays. */\n  var typedArrayTags = {};\n  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n  typedArrayTags[uint32Tag] = true;\n  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n  typedArrayTags[dateTag] = typedArrayTags[errorTag] =\n  typedArrayTags[funcTag] = typedArrayTags[mapTag] =\n  typedArrayTags[numberTag] = typedArrayTags[objectTag] =\n  typedArrayTags[regexpTag] = typedArrayTags[setTag] =\n  typedArrayTags[stringTag] = typedArrayTags[weakMapTag] = false;\n\n  /** Used to identify `toStringTag` values supported by `_.clone`. */\n  var cloneableTags = {};\n  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n  cloneableTags[arrayBufferTag] = cloneableTags[boolTag] =\n  cloneableTags[dateTag] = cloneableTags[float32Tag] =\n  cloneableTags[float64Tag] = cloneableTags[int8Tag] =\n  cloneableTags[int16Tag] = cloneableTags[int32Tag] =\n  cloneableTags[numberTag] = cloneableTags[objectTag] =\n  cloneableTags[regexpTag] = cloneableTags[stringTag] =\n  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n  cloneableTags[errorTag] = cloneableTags[funcTag] =\n  cloneableTags[mapTag] = cloneableTags[setTag] =\n  cloneableTags[weakMapTag] = false;\n\n  /** Used to map latin-1 supplementary letters to basic latin letters. */\n  var deburredLetters = {\n    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n    '\\xc7': 'C',  '\\xe7': 'c',\n    '\\xd0': 'D',  '\\xf0': 'd',\n    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n    '\\xcC': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n    '\\xeC': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n    '\\xd1': 'N',  '\\xf1': 'n',\n    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n    '\\xc6': 'Ae', '\\xe6': 'ae',\n    '\\xde': 'Th', '\\xfe': 'th',\n    '\\xdf': 'ss'\n  };\n\n  /** Used to map characters to HTML entities. */\n  var htmlEscapes = {\n    '&': '&amp;',\n    '<': '&lt;',\n    '>': '&gt;',\n    '\"': '&quot;',\n    \"'\": '&#39;',\n    '`': '&#96;'\n  };\n\n  /** Used to map HTML entities to characters. */\n  var htmlUnescapes = {\n    '&amp;': '&',\n    '&lt;': '<',\n    '&gt;': '>',\n    '&quot;': '\"',\n    '&#39;': \"'\",\n    '&#96;': '`'\n  };\n\n  /** Used to determine if values are of the language type `Object`. */\n  var objectTypes = {\n    'function': true,\n    'object': true\n  };\n\n  /** Used to escape characters for inclusion in compiled regexes. */\n  var regexpEscapes = {\n    '0': 'x30', '1': 'x31', '2': 'x32', '3': 'x33', '4': 'x34',\n    '5': 'x35', '6': 'x36', '7': 'x37', '8': 'x38', '9': 'x39',\n    'A': 'x41', 'B': 'x42', 'C': 'x43', 'D': 'x44', 'E': 'x45', 'F': 'x46',\n    'a': 'x61', 'b': 'x62', 'c': 'x63', 'd': 'x64', 'e': 'x65', 'f': 'x66',\n    'n': 'x6e', 'r': 'x72', 't': 'x74', 'u': 'x75', 'v': 'x76', 'x': 'x78'\n  };\n\n  /** Used to escape characters for inclusion in compiled string literals. */\n  var stringEscapes = {\n    '\\\\': '\\\\',\n    \"'\": \"'\",\n    '\\n': 'n',\n    '\\r': 'r',\n    '\\u2028': 'u2028',\n    '\\u2029': 'u2029'\n  };\n\n  /** Detect free variable `exports`. */\n  var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports;\n\n  /** Detect free variable `module`. */\n  var freeModule = objectTypes[typeof module] && module && !module.nodeType && module;\n\n  /** Detect free variable `global` from Node.js. */\n  var freeGlobal = freeExports && freeModule && typeof global == 'object' && global && global.Object && global;\n\n  /** Detect free variable `self`. */\n  var freeSelf = objectTypes[typeof self] && self && self.Object && self;\n\n  /** Detect free variable `window`. */\n  var freeWindow = objectTypes[typeof window] && window && window.Object && window;\n\n  /** Detect the popular CommonJS extension `module.exports`. */\n  var moduleExports = freeModule && freeModule.exports === freeExports && freeExports;\n\n  /**\n   * Used as a reference to the global object.\n   *\n   * The `this` value is used if it's the global object to avoid Greasemonkey's\n   * restricted `window` object, otherwise the `window` object is used.\n   */\n  var root = freeGlobal || ((freeWindow !== (this && this.window)) && freeWindow) || freeSelf || this;\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * The base implementation of `compareAscending` which compares values and\n   * sorts them in ascending order without guaranteeing a stable sort.\n   *\n   * @private\n   * @param {*} value The value to compare.\n   * @param {*} other The other value to compare.\n   * @returns {number} Returns the sort order indicator for `value`.\n   */\n  function baseCompareAscending(value, other) {\n    if (value !== other) {\n      var valIsNull = value === null,\n          valIsUndef = value === undefined,\n          valIsReflexive = value === value;\n\n      var othIsNull = other === null,\n          othIsUndef = other === undefined,\n          othIsReflexive = other === other;\n\n      if ((value > other && !othIsNull) || !valIsReflexive ||\n          (valIsNull && !othIsUndef && othIsReflexive) ||\n          (valIsUndef && othIsReflexive)) {\n        return 1;\n      }\n      if ((value < other && !valIsNull) || !othIsReflexive ||\n          (othIsNull && !valIsUndef && valIsReflexive) ||\n          (othIsUndef && valIsReflexive)) {\n        return -1;\n      }\n    }\n    return 0;\n  }\n\n  /**\n   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n   * support for callback shorthands and `this` binding.\n   *\n   * @private\n   * @param {Array} array The array to search.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {boolean} [fromRight] Specify iterating from right to left.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseFindIndex(array, predicate, fromRight) {\n    var length = array.length,\n        index = fromRight ? length : -1;\n\n    while ((fromRight ? index-- : ++index < length)) {\n      if (predicate(array[index], index, array)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.indexOf` without support for binary searches.\n   *\n   * @private\n   * @param {Array} array The array to search.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOf(array, value, fromIndex) {\n    if (value !== value) {\n      return indexOfNaN(array, fromIndex);\n    }\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.isFunction` without support for environments\n   * with incorrect `typeof` results.\n   *\n   * @private\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.\n   */\n  function baseIsFunction(value) {\n    // Avoid a Chakra JIT bug in compatibility modes of IE 11.\n    // See https://github.com/jashkenas/underscore/issues/1621 for more details.\n    return typeof value == 'function' || false;\n  }\n\n  /**\n   * Converts `value` to a string if it's not one. An empty string is returned\n   * for `null` or `undefined` values.\n   *\n   * @private\n   * @param {*} value The value to process.\n   * @returns {string} Returns the string.\n   */\n  function baseToString(value) {\n    return value == null ? '' : (value + '');\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimLeft` to get the index of the first character\n   * of `string` that is not found in `chars`.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @param {string} chars The characters to find.\n   * @returns {number} Returns the index of the first character not found in `chars`.\n   */\n  function charsLeftIndex(string, chars) {\n    var index = -1,\n        length = string.length;\n\n    while (++index < length && chars.indexOf(string.charAt(index)) > -1) {}\n    return index;\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimRight` to get the index of the last character\n   * of `string` that is not found in `chars`.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @param {string} chars The characters to find.\n   * @returns {number} Returns the index of the last character not found in `chars`.\n   */\n  function charsRightIndex(string, chars) {\n    var index = string.length;\n\n    while (index-- && chars.indexOf(string.charAt(index)) > -1) {}\n    return index;\n  }\n\n  /**\n   * Used by `_.sortBy` to compare transformed elements of a collection and stable\n   * sort them in ascending order.\n   *\n   * @private\n   * @param {Object} object The object to compare.\n   * @param {Object} other The other object to compare.\n   * @returns {number} Returns the sort order indicator for `object`.\n   */\n  function compareAscending(object, other) {\n    return baseCompareAscending(object.criteria, other.criteria) || (object.index - other.index);\n  }\n\n  /**\n   * Used by `_.sortByOrder` to compare multiple properties of a value to another\n   * and stable sort them.\n   *\n   * If `orders` is unspecified, all valuess are sorted in ascending order. Otherwise,\n   * a value is sorted in ascending order if its corresponding order is \"asc\", and\n   * descending if \"desc\".\n   *\n   * @private\n   * @param {Object} object The object to compare.\n   * @param {Object} other The other object to compare.\n   * @param {boolean[]} orders The order to sort by for each property.\n   * @returns {number} Returns the sort order indicator for `object`.\n   */\n  function compareMultiple(object, other, orders) {\n    var index = -1,\n        objCriteria = object.criteria,\n        othCriteria = other.criteria,\n        length = objCriteria.length,\n        ordersLength = orders.length;\n\n    while (++index < length) {\n      var result = baseCompareAscending(objCriteria[index], othCriteria[index]);\n      if (result) {\n        if (index >= ordersLength) {\n          return result;\n        }\n        var order = orders[index];\n        return result * ((order === 'asc' || order === true) ? 1 : -1);\n      }\n    }\n    // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n    // that causes it, under certain circumstances, to provide the same value for\n    // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n    // for more details.\n    //\n    // This also ensures a stable sort in V8 and other engines.\n    // See https://code.google.com/p/v8/issues/detail?id=90 for more details.\n    return object.index - other.index;\n  }\n\n  /**\n   * Used by `_.deburr` to convert latin-1 supplementary letters to basic latin letters.\n   *\n   * @private\n   * @param {string} letter The matched letter to deburr.\n   * @returns {string} Returns the deburred letter.\n   */\n  function deburrLetter(letter) {\n    return deburredLetters[letter];\n  }\n\n  /**\n   * Used by `_.escape` to convert characters to HTML entities.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  function escapeHtmlChar(chr) {\n    return htmlEscapes[chr];\n  }\n\n  /**\n   * Used by `_.escapeRegExp` to escape characters for inclusion in compiled regexes.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @param {string} leadingChar The capture group for a leading character.\n   * @param {string} whitespaceChar The capture group for a whitespace character.\n   * @returns {string} Returns the escaped character.\n   */\n  function escapeRegExpChar(chr, leadingChar, whitespaceChar) {\n    if (leadingChar) {\n      chr = regexpEscapes[chr];\n    } else if (whitespaceChar) {\n      chr = stringEscapes[chr];\n    }\n    return '\\\\' + chr;\n  }\n\n  /**\n   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  function escapeStringChar(chr) {\n    return '\\\\' + stringEscapes[chr];\n  }\n\n  /**\n   * Gets the index at which the first occurrence of `NaN` is found in `array`.\n   *\n   * @private\n   * @param {Array} array The array to search.\n   * @param {number} fromIndex The index to search from.\n   * @param {boolean} [fromRight] Specify iterating from right to left.\n   * @returns {number} Returns the index of the matched `NaN`, else `-1`.\n   */\n  function indexOfNaN(array, fromIndex, fromRight) {\n    var length = array.length,\n        index = fromIndex + (fromRight ? 0 : -1);\n\n    while ((fromRight ? index-- : ++index < length)) {\n      var other = array[index];\n      if (other !== other) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * Checks if `value` is object-like.\n   *\n   * @private\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n   */\n  function isObjectLike(value) {\n    return !!value && typeof value == 'object';\n  }\n\n  /**\n   * Used by `trimmedLeftIndex` and `trimmedRightIndex` to determine if a\n   * character code is whitespace.\n   *\n   * @private\n   * @param {number} charCode The character code to inspect.\n   * @returns {boolean} Returns `true` if `charCode` is whitespace, else `false`.\n   */\n  function isSpace(charCode) {\n    return ((charCode <= 160 && (charCode >= 9 && charCode <= 13) || charCode == 32 || charCode == 160) || charCode == 5760 || charCode == 6158 ||\n      (charCode >= 8192 && (charCode <= 8202 || charCode == 8232 || charCode == 8233 || charCode == 8239 || charCode == 8287 || charCode == 12288 || charCode == 65279)));\n  }\n\n  /**\n   * Replaces all `placeholder` elements in `array` with an internal placeholder\n   * and returns an array of their indexes.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {*} placeholder The placeholder to replace.\n   * @returns {Array} Returns the new array of placeholder indexes.\n   */\n  function replaceHolders(array, placeholder) {\n    var index = -1,\n        length = array.length,\n        resIndex = -1,\n        result = [];\n\n    while (++index < length) {\n      if (array[index] === placeholder) {\n        array[index] = PLACEHOLDER;\n        result[++resIndex] = index;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * An implementation of `_.uniq` optimized for sorted arrays without support\n   * for callback shorthands and `this` binding.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {Function} [iteratee] The function invoked per iteration.\n   * @returns {Array} Returns the new duplicate-value-free array.\n   */\n  function sortedUniq(array, iteratee) {\n    var seen,\n        index = -1,\n        length = array.length,\n        resIndex = -1,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index],\n          computed = iteratee ? iteratee(value, index, array) : value;\n\n      if (!index || seen !== computed) {\n        seen = computed;\n        result[++resIndex] = value;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimLeft` to get the index of the first non-whitespace\n   * character of `string`.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {number} Returns the index of the first non-whitespace character.\n   */\n  function trimmedLeftIndex(string) {\n    var index = -1,\n        length = string.length;\n\n    while (++index < length && isSpace(string.charCodeAt(index))) {}\n    return index;\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimRight` to get the index of the last non-whitespace\n   * character of `string`.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {number} Returns the index of the last non-whitespace character.\n   */\n  function trimmedRightIndex(string) {\n    var index = string.length;\n\n    while (index-- && isSpace(string.charCodeAt(index))) {}\n    return index;\n  }\n\n  /**\n   * Used by `_.unescape` to convert HTML entities to characters.\n   *\n   * @private\n   * @param {string} chr The matched character to unescape.\n   * @returns {string} Returns the unescaped character.\n   */\n  function unescapeHtmlChar(chr) {\n    return htmlUnescapes[chr];\n  }\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Create a new pristine `lodash` function using the given `context` object.\n   *\n   * @static\n   * @memberOf _\n   * @category Utility\n   * @param {Object} [context=root] The context object.\n   * @returns {Function} Returns a new `lodash` function.\n   * @example\n   *\n   * _.mixin({ 'foo': _.constant('foo') });\n   *\n   * var lodash = _.runInContext();\n   * lodash.mixin({ 'bar': lodash.constant('bar') });\n   *\n   * _.isFunction(_.foo);\n   * // => true\n   * _.isFunction(_.bar);\n   * // => false\n   *\n   * lodash.isFunction(lodash.foo);\n   * // => false\n   * lodash.isFunction(lodash.bar);\n   * // => true\n   *\n   * // using `context` to mock `Date#getTime` use in `_.now`\n   * var mock = _.runInContext({\n   *   'Date': function() {\n   *     return { 'getTime': getTimeMock };\n   *   }\n   * });\n   *\n   * // or creating a suped-up `defer` in Node.js\n   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n   */\n  function runInContext(context) {\n    // Avoid issues with some ES3 environments that attempt to use values, named\n    // after built-in constructors like `Object`, for the creation of literals.\n    // ES5 clears this up by stating that literals must use built-in constructors.\n    // See https://es5.github.io/#x11.1.5 for more details.\n    context = context ? _.defaults(root.Object(), context, _.pick(root, contextProps)) : root;\n\n    /** Native constructor references. */\n    var Array = context.Array,\n        Date = context.Date,\n        Error = context.Error,\n        Function = context.Function,\n        Math = context.Math,\n        Number = context.Number,\n        Object = context.Object,\n        RegExp = context.RegExp,\n        String = context.String,\n        TypeError = context.TypeError;\n\n    /** Used for native method references. */\n    var arrayProto = Array.prototype,\n        objectProto = Object.prototype,\n        stringProto = String.prototype;\n\n    /** Used to resolve the decompiled source of functions. */\n    var fnToString = Function.prototype.toString;\n\n    /** Used to check objects for own properties. */\n    var hasOwnProperty = objectProto.hasOwnProperty;\n\n    /** Used to generate unique IDs. */\n    var idCounter = 0;\n\n    /**\n     * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)\n     * of values.\n     */\n    var objToString = objectProto.toString;\n\n    /** Used to restore the original `_` reference in `_.noConflict`. */\n    var oldDash = root._;\n\n    /** Used to detect if a method is native. */\n    var reIsNative = RegExp('^' +\n      fnToString.call(hasOwnProperty).replace(/[\\\\^$.*+?()[\\]{}|]/g, '\\\\$&')\n      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n    );\n\n    /** Native method references. */\n    var ArrayBuffer = context.ArrayBuffer,\n        clearTimeout = context.clearTimeout,\n        parseFloat = context.parseFloat,\n        pow = Math.pow,\n        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n        Set = getNative(context, 'Set'),\n        setTimeout = context.setTimeout,\n        splice = arrayProto.splice,\n        Uint8Array = context.Uint8Array,\n        WeakMap = getNative(context, 'WeakMap');\n\n    /* Native method references for those with the same name as other `lodash` methods. */\n    var nativeCeil = Math.ceil,\n        nativeCreate = getNative(Object, 'create'),\n        nativeFloor = Math.floor,\n        nativeIsArray = getNative(Array, 'isArray'),\n        nativeIsFinite = context.isFinite,\n        nativeKeys = getNative(Object, 'keys'),\n        nativeMax = Math.max,\n        nativeMin = Math.min,\n        nativeNow = getNative(Date, 'now'),\n        nativeParseInt = context.parseInt,\n        nativeRandom = Math.random;\n\n    /** Used as references for `-Infinity` and `Infinity`. */\n    var NEGATIVE_INFINITY = Number.NEGATIVE_INFINITY,\n        POSITIVE_INFINITY = Number.POSITIVE_INFINITY;\n\n    /** Used as references for the maximum length and index of an array. */\n    var MAX_ARRAY_LENGTH = 4294967295,\n        MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n        HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\n    /**\n     * Used as the [maximum length](http://ecma-international.org/ecma-262/6.0/#sec-number.max_safe_integer)\n     * of an array-like value.\n     */\n    var MAX_SAFE_INTEGER = 9007199254740991;\n\n    /** Used to store function metadata. */\n    var metaMap = WeakMap && new WeakMap;\n\n    /** Used to lookup unminified function names. */\n    var realNames = {};\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` object which wraps `value` to enable implicit chaining.\n     * Methods that operate on and return arrays, collections, and functions can\n     * be chained together. Methods that retrieve a single value or may return a\n     * primitive value will automatically end the chain returning the unwrapped\n     * value. Explicit chaining may be enabled using `_.chain`. The execution of\n     * chained methods is lazy, that is, execution is deferred until `_#value`\n     * is implicitly or explicitly called.\n     *\n     * Lazy evaluation allows several methods to support shortcut fusion. Shortcut\n     * fusion is an optimization strategy which merge iteratee calls; this can help\n     * to avoid the creation of intermediate data structures and greatly reduce the\n     * number of iteratee executions.\n     *\n     * Chaining is supported in custom builds as long as the `_#value` method is\n     * directly or indirectly included in the build.\n     *\n     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n     *\n     * The wrapper `Array` methods are:\n     * `concat`, `join`, `pop`, `push`, `reverse`, `shift`, `slice`, `sort`,\n     * `splice`, and `unshift`\n     *\n     * The wrapper `String` methods are:\n     * `replace` and `split`\n     *\n     * The wrapper methods that support shortcut fusion are:\n     * `compact`, `drop`, `dropRight`, `dropRightWhile`, `dropWhile`, `filter`,\n     * `first`, `initial`, `last`, `map`, `pluck`, `reject`, `rest`, `reverse`,\n     * `slice`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, `toArray`,\n     * and `where`\n     *\n     * The chainable wrapper methods are:\n     * `after`, `ary`, `assign`, `at`, `before`, `bind`, `bindAll`, `bindKey`,\n     * `callback`, `chain`, `chunk`, `commit`, `compact`, `concat`, `constant`,\n     * `countBy`, `create`, `curry`, `debounce`, `defaults`, `defaultsDeep`,\n     * `defer`, `delay`, `difference`, `drop`, `dropRight`, `dropRightWhile`,\n     * `dropWhile`, `fill`, `filter`, `flatten`, `flattenDeep`, `flow`, `flowRight`,\n     * `forEach`, `forEachRight`, `forIn`, `forInRight`, `forOwn`, `forOwnRight`,\n     * `functions`, `groupBy`, `indexBy`, `initial`, `intersection`, `invert`,\n     * `invoke`, `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`,\n     * `matchesProperty`, `memoize`, `merge`, `method`, `methodOf`, `mixin`,\n     * `modArgs`, `negate`, `omit`, `once`, `pairs`, `partial`, `partialRight`,\n     * `partition`, `pick`, `plant`, `pluck`, `property`, `propertyOf`, `pull`,\n     * `pullAt`, `push`, `range`, `rearg`, `reject`, `remove`, `rest`, `restParam`,\n     * `reverse`, `set`, `shuffle`, `slice`, `sort`, `sortBy`, `sortByAll`,\n     * `sortByOrder`, `splice`, `spread`, `take`, `takeRight`, `takeRightWhile`,\n     * `takeWhile`, `tap`, `throttle`, `thru`, `times`, `toArray`, `toPlainObject`,\n     * `transform`, `union`, `uniq`, `unshift`, `unzip`, `unzipWith`, `values`,\n     * `valuesIn`, `where`, `without`, `wrap`, `xor`, `zip`, `zipObject`, `zipWith`\n     *\n     * The wrapper methods that are **not** chainable by default are:\n     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clone`, `cloneDeep`,\n     * `deburr`, `endsWith`, `escape`, `escapeRegExp`, `every`, `find`, `findIndex`,\n     * `findKey`, `findLast`, `findLastIndex`, `findLastKey`, `findWhere`, `first`,\n     * `floor`, `get`, `gt`, `gte`, `has`, `identity`, `includes`, `indexOf`,\n     * `inRange`, `isArguments`, `isArray`, `isBoolean`, `isDate`, `isElement`,\n     * `isEmpty`, `isEqual`, `isError`, `isFinite` `isFunction`, `isMatch`,\n     * `isNative`, `isNaN`, `isNull`, `isNumber`, `isObject`, `isPlainObject`,\n     * `isRegExp`, `isString`, `isUndefined`, `isTypedArray`, `join`, `kebabCase`,\n     * `last`, `lastIndexOf`, `lt`, `lte`, `max`, `min`, `noConflict`, `noop`,\n     * `now`, `pad`, `padLeft`, `padRight`, `parseInt`, `pop`, `random`, `reduce`,\n     * `reduceRight`, `repeat`, `result`, `round`, `runInContext`, `shift`, `size`,\n     * `snakeCase`, `some`, `sortedIndex`, `sortedLastIndex`, `startCase`,\n     * `startsWith`, `sum`, `template`, `trim`, `trimLeft`, `trimRight`, `trunc`,\n     * `unescape`, `uniqueId`, `value`, and `words`\n     *\n     * The wrapper method `sample` will return a wrapped value when `n` is provided,\n     * otherwise an unwrapped value is returned.\n     *\n     * @name _\n     * @constructor\n     * @category Chain\n     * @param {*} value The value to wrap in a `lodash` instance.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var wrapped = _([1, 2, 3]);\n     *\n     * // returns an unwrapped value\n     * wrapped.reduce(function(total, n) {\n     *   return total + n;\n     * });\n     * // => 6\n     *\n     * // returns a wrapped value\n     * var squares = wrapped.map(function(n) {\n     *   return n * n;\n     * });\n     *\n     * _.isArray(squares);\n     * // => false\n     *\n     * _.isArray(squares.value());\n     * // => true\n     */\n    function lodash(value) {\n      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n        if (value instanceof LodashWrapper) {\n          return value;\n        }\n        if (hasOwnProperty.call(value, '__chain__') && hasOwnProperty.call(value, '__wrapped__')) {\n          return wrapperClone(value);\n        }\n      }\n      return new LodashWrapper(value);\n    }\n\n    /**\n     * The function whose prototype all chaining wrappers inherit from.\n     *\n     * @private\n     */\n    function baseLodash() {\n      // No operation performed.\n    }\n\n    /**\n     * The base constructor for creating `lodash` wrapper objects.\n     *\n     * @private\n     * @param {*} value The value to wrap.\n     * @param {boolean} [chainAll] Enable chaining for all wrapper methods.\n     * @param {Array} [actions=[]] Actions to peform to resolve the unwrapped value.\n     */\n    function LodashWrapper(value, chainAll, actions) {\n      this.__wrapped__ = value;\n      this.__actions__ = actions || [];\n      this.__chain__ = !!chainAll;\n    }\n\n    /**\n     * An object environment feature flags.\n     *\n     * @static\n     * @memberOf _\n     * @type Object\n     */\n    var support = lodash.support = {};\n\n    /**\n     * By default, the template delimiters used by lodash are like those in\n     * embedded Ruby (ERB). Change the following template settings to use\n     * alternative delimiters.\n     *\n     * @static\n     * @memberOf _\n     * @type Object\n     */\n    lodash.templateSettings = {\n\n      /**\n       * Used to detect `data` property values to be HTML-escaped.\n       *\n       * @memberOf _.templateSettings\n       * @type RegExp\n       */\n      'escape': reEscape,\n\n      /**\n       * Used to detect code to be evaluated.\n       *\n       * @memberOf _.templateSettings\n       * @type RegExp\n       */\n      'evaluate': reEvaluate,\n\n      /**\n       * Used to detect `data` property values to inject.\n       *\n       * @memberOf _.templateSettings\n       * @type RegExp\n       */\n      'interpolate': reInterpolate,\n\n      /**\n       * Used to reference the data object in the template text.\n       *\n       * @memberOf _.templateSettings\n       * @type string\n       */\n      'variable': '',\n\n      /**\n       * Used to import variables into the compiled template.\n       *\n       * @memberOf _.templateSettings\n       * @type Object\n       */\n      'imports': {\n\n        /**\n         * A reference to the `lodash` function.\n         *\n         * @memberOf _.templateSettings.imports\n         * @type Function\n         */\n        '_': lodash\n      }\n    };\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n     *\n     * @private\n     * @param {*} value The value to wrap.\n     */\n    function LazyWrapper(value) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__dir__ = 1;\n      this.__filtered__ = false;\n      this.__iteratees__ = [];\n      this.__takeCount__ = POSITIVE_INFINITY;\n      this.__views__ = [];\n    }\n\n    /**\n     * Creates a clone of the lazy wrapper object.\n     *\n     * @private\n     * @name clone\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the cloned `LazyWrapper` object.\n     */\n    function lazyClone() {\n      var result = new LazyWrapper(this.__wrapped__);\n      result.__actions__ = arrayCopy(this.__actions__);\n      result.__dir__ = this.__dir__;\n      result.__filtered__ = this.__filtered__;\n      result.__iteratees__ = arrayCopy(this.__iteratees__);\n      result.__takeCount__ = this.__takeCount__;\n      result.__views__ = arrayCopy(this.__views__);\n      return result;\n    }\n\n    /**\n     * Reverses the direction of lazy iteration.\n     *\n     * @private\n     * @name reverse\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n     */\n    function lazyReverse() {\n      if (this.__filtered__) {\n        var result = new LazyWrapper(this);\n        result.__dir__ = -1;\n        result.__filtered__ = true;\n      } else {\n        result = this.clone();\n        result.__dir__ *= -1;\n      }\n      return result;\n    }\n\n    /**\n     * Extracts the unwrapped value from its lazy wrapper.\n     *\n     * @private\n     * @name value\n     * @memberOf LazyWrapper\n     * @returns {*} Returns the unwrapped value.\n     */\n    function lazyValue() {\n      var array = this.__wrapped__.value(),\n          dir = this.__dir__,\n          isArr = isArray(array),\n          isRight = dir < 0,\n          arrLength = isArr ? array.length : 0,\n          view = getView(0, arrLength, this.__views__),\n          start = view.start,\n          end = view.end,\n          length = end - start,\n          index = isRight ? end : (start - 1),\n          iteratees = this.__iteratees__,\n          iterLength = iteratees.length,\n          resIndex = 0,\n          takeCount = nativeMin(length, this.__takeCount__);\n\n      if (!isArr || arrLength < LARGE_ARRAY_SIZE || (arrLength == length && takeCount == length)) {\n        return baseWrapperValue((isRight && isArr) ? array.reverse() : array, this.__actions__);\n      }\n      var result = [];\n\n      outer:\n      while (length-- && resIndex < takeCount) {\n        index += dir;\n\n        var iterIndex = -1,\n            value = array[index];\n\n        while (++iterIndex < iterLength) {\n          var data = iteratees[iterIndex],\n              iteratee = data.iteratee,\n              type = data.type,\n              computed = iteratee(value);\n\n          if (type == LAZY_MAP_FLAG) {\n            value = computed;\n          } else if (!computed) {\n            if (type == LAZY_FILTER_FLAG) {\n              continue outer;\n            } else {\n              break outer;\n            }\n          }\n        }\n        result[resIndex++] = value;\n      }\n      return result;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a cache object to store key/value pairs.\n     *\n     * @private\n     * @static\n     * @name Cache\n     * @memberOf _.memoize\n     */\n    function MapCache() {\n      this.__data__ = {};\n    }\n\n    /**\n     * Removes `key` and its value from the cache.\n     *\n     * @private\n     * @name delete\n     * @memberOf _.memoize.Cache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed successfully, else `false`.\n     */\n    function mapDelete(key) {\n      return this.has(key) && delete this.__data__[key];\n    }\n\n    /**\n     * Gets the cached value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf _.memoize.Cache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the cached value.\n     */\n    function mapGet(key) {\n      return key == '__proto__' ? undefined : this.__data__[key];\n    }\n\n    /**\n     * Checks if a cached value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf _.memoize.Cache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function mapHas(key) {\n      return key != '__proto__' && hasOwnProperty.call(this.__data__, key);\n    }\n\n    /**\n     * Sets `value` to `key` of the cache.\n     *\n     * @private\n     * @name set\n     * @memberOf _.memoize.Cache\n     * @param {string} key The key of the value to cache.\n     * @param {*} value The value to cache.\n     * @returns {Object} Returns the cache object.\n     */\n    function mapSet(key, value) {\n      if (key != '__proto__') {\n        this.__data__[key] = value;\n      }\n      return this;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     *\n     * Creates a cache object to store unique values.\n     *\n     * @private\n     * @param {Array} [values] The values to cache.\n     */\n    function SetCache(values) {\n      var length = values ? values.length : 0;\n\n      this.data = { 'hash': nativeCreate(null), 'set': new Set };\n      while (length--) {\n        this.push(values[length]);\n      }\n    }\n\n    /**\n     * Checks if `value` is in `cache` mimicking the return signature of\n     * `_.indexOf` by returning `0` if the value is found, else `-1`.\n     *\n     * @private\n     * @param {Object} cache The cache to search.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns `0` if `value` is found, else `-1`.\n     */\n    function cacheIndexOf(cache, value) {\n      var data = cache.data,\n          result = (typeof value == 'string' || isObject(value)) ? data.set.has(value) : data.hash[value];\n\n      return result ? 0 : -1;\n    }\n\n    /**\n     * Adds `value` to the cache.\n     *\n     * @private\n     * @name push\n     * @memberOf SetCache\n     * @param {*} value The value to cache.\n     */\n    function cachePush(value) {\n      var data = this.data;\n      if (typeof value == 'string' || isObject(value)) {\n        data.set.add(value);\n      } else {\n        data.hash[value] = true;\n      }\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a new array joining `array` with `other`.\n     *\n     * @private\n     * @param {Array} array The array to join.\n     * @param {Array} other The other array to join.\n     * @returns {Array} Returns the new concatenated array.\n     */\n    function arrayConcat(array, other) {\n      var index = -1,\n          length = array.length,\n          othIndex = -1,\n          othLength = other.length,\n          result = Array(length + othLength);\n\n      while (++index < length) {\n        result[index] = array[index];\n      }\n      while (++othIndex < othLength) {\n        result[index++] = other[othIndex];\n      }\n      return result;\n    }\n\n    /**\n     * Copies the values of `source` to `array`.\n     *\n     * @private\n     * @param {Array} source The array to copy values from.\n     * @param {Array} [array=[]] The array to copy values to.\n     * @returns {Array} Returns `array`.\n     */\n    function arrayCopy(source, array) {\n      var index = -1,\n          length = source.length;\n\n      array || (array = Array(length));\n      while (++index < length) {\n        array[index] = source[index];\n      }\n      return array;\n    }\n\n    /**\n     * A specialized version of `_.forEach` for arrays without support for callback\n     * shorthands and `this` binding.\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array} Returns `array`.\n     */\n    function arrayEach(array, iteratee) {\n      var index = -1,\n          length = array.length;\n\n      while (++index < length) {\n        if (iteratee(array[index], index, array) === false) {\n          break;\n        }\n      }\n      return array;\n    }\n\n    /**\n     * A specialized version of `_.forEachRight` for arrays without support for\n     * callback shorthands and `this` binding.\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array} Returns `array`.\n     */\n    function arrayEachRight(array, iteratee) {\n      var length = array.length;\n\n      while (length--) {\n        if (iteratee(array[length], length, array) === false) {\n          break;\n        }\n      }\n      return array;\n    }\n\n    /**\n     * A specialized version of `_.every` for arrays without support for callback\n     * shorthands and `this` binding.\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`.\n     */\n    function arrayEvery(array, predicate) {\n      var index = -1,\n          length = array.length;\n\n      while (++index < length) {\n        if (!predicate(array[index], index, array)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * A specialized version of `baseExtremum` for arrays which invokes `iteratee`\n     * with one argument: (value).\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} comparator The function used to compare values.\n     * @param {*} exValue The initial extremum value.\n     * @returns {*} Returns the extremum value.\n     */\n    function arrayExtremum(array, iteratee, comparator, exValue) {\n      var index = -1,\n          length = array.length,\n          computed = exValue,\n          result = computed;\n\n      while (++index < length) {\n        var value = array[index],\n            current = +iteratee(value);\n\n        if (comparator(current, computed)) {\n          computed = current;\n          result = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `_.filter` for arrays without support for callback\n     * shorthands and `this` binding.\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     */\n    function arrayFilter(array, predicate) {\n      var index = -1,\n          length = array.length,\n          resIndex = -1,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index];\n        if (predicate(value, index, array)) {\n          result[++resIndex] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `_.map` for arrays without support for callback\n     * shorthands and `this` binding.\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     */\n    function arrayMap(array, iteratee) {\n      var index = -1,\n          length = array.length,\n          result = Array(length);\n\n      while (++index < length) {\n        result[index] = iteratee(array[index], index, array);\n      }\n      return result;\n    }\n\n    /**\n     * Appends the elements of `values` to `array`.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to append.\n     * @returns {Array} Returns `array`.\n     */\n    function arrayPush(array, values) {\n      var index = -1,\n          length = values.length,\n          offset = array.length;\n\n      while (++index < length) {\n        array[offset + index] = values[index];\n      }\n      return array;\n    }\n\n    /**\n     * A specialized version of `_.reduce` for arrays without support for callback\n     * shorthands and `this` binding.\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @param {boolean} [initFromArray] Specify using the first element of `array`\n     *  as the initial value.\n     * @returns {*} Returns the accumulated value.\n     */\n    function arrayReduce(array, iteratee, accumulator, initFromArray) {\n      var index = -1,\n          length = array.length;\n\n      if (initFromArray && length) {\n        accumulator = array[++index];\n      }\n      while (++index < length) {\n        accumulator = iteratee(accumulator, array[index], index, array);\n      }\n      return accumulator;\n    }\n\n    /**\n     * A specialized version of `_.reduceRight` for arrays without support for\n     * callback shorthands and `this` binding.\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @param {boolean} [initFromArray] Specify using the last element of `array`\n     *  as the initial value.\n     * @returns {*} Returns the accumulated value.\n     */\n    function arrayReduceRight(array, iteratee, accumulator, initFromArray) {\n      var length = array.length;\n      if (initFromArray && length) {\n        accumulator = array[--length];\n      }\n      while (length--) {\n        accumulator = iteratee(accumulator, array[length], length, array);\n      }\n      return accumulator;\n    }\n\n    /**\n     * A specialized version of `_.some` for arrays without support for callback\n     * shorthands and `this` binding.\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     */\n    function arraySome(array, predicate) {\n      var index = -1,\n          length = array.length;\n\n      while (++index < length) {\n        if (predicate(array[index], index, array)) {\n          return true;\n        }\n      }\n      return false;\n    }\n\n    /**\n     * A specialized version of `_.sum` for arrays without support for callback\n     * shorthands and `this` binding..\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {number} Returns the sum.\n     */\n    function arraySum(array, iteratee) {\n      var length = array.length,\n          result = 0;\n\n      while (length--) {\n        result += +iteratee(array[length]) || 0;\n      }\n      return result;\n    }\n\n    /**\n     * Used by `_.defaults` to customize its `_.assign` use.\n     *\n     * @private\n     * @param {*} objectValue The destination object property value.\n     * @param {*} sourceValue The source object property value.\n     * @returns {*} Returns the value to assign to the destination object.\n     */\n    function assignDefaults(objectValue, sourceValue) {\n      return objectValue === undefined ? sourceValue : objectValue;\n    }\n\n    /**\n     * Used by `_.template` to customize its `_.assign` use.\n     *\n     * **Note:** This function is like `assignDefaults` except that it ignores\n     * inherited property values when checking if a property is `undefined`.\n     *\n     * @private\n     * @param {*} objectValue The destination object property value.\n     * @param {*} sourceValue The source object property value.\n     * @param {string} key The key associated with the object and source values.\n     * @param {Object} object The destination object.\n     * @returns {*} Returns the value to assign to the destination object.\n     */\n    function assignOwnDefaults(objectValue, sourceValue, key, object) {\n      return (objectValue === undefined || !hasOwnProperty.call(object, key))\n        ? sourceValue\n        : objectValue;\n    }\n\n    /**\n     * A specialized version of `_.assign` for customizing assigned values without\n     * support for argument juggling, multiple sources, and `this` binding `customizer`\n     * functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {Function} customizer The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     */\n    function assignWith(object, source, customizer) {\n      var index = -1,\n          props = keys(source),\n          length = props.length;\n\n      while (++index < length) {\n        var key = props[index],\n            value = object[key],\n            result = customizer(value, source[key], key, object, source);\n\n        if ((result === result ? (result !== value) : (value === value)) ||\n            (value === undefined && !(key in object))) {\n          object[key] = result;\n        }\n      }\n      return object;\n    }\n\n    /**\n     * The base implementation of `_.assign` without support for argument juggling,\n     * multiple sources, and `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssign(object, source) {\n      return source == null\n        ? object\n        : baseCopy(source, keys(source), object);\n    }\n\n    /**\n     * The base implementation of `_.at` without support for string collections\n     * and individual key arguments.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {number[]|string[]} props The property names or indexes of elements to pick.\n     * @returns {Array} Returns the new array of picked elements.\n     */\n    function baseAt(collection, props) {\n      var index = -1,\n          isNil = collection == null,\n          isArr = !isNil && isArrayLike(collection),\n          length = isArr ? collection.length : 0,\n          propsLength = props.length,\n          result = Array(propsLength);\n\n      while(++index < propsLength) {\n        var key = props[index];\n        if (isArr) {\n          result[index] = isIndex(key, length) ? collection[key] : undefined;\n        } else {\n          result[index] = isNil ? undefined : collection[key];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Copies properties of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy properties from.\n     * @param {Array} props The property names to copy.\n     * @param {Object} [object={}] The object to copy properties to.\n     * @returns {Object} Returns `object`.\n     */\n    function baseCopy(source, props, object) {\n      object || (object = {});\n\n      var index = -1,\n          length = props.length;\n\n      while (++index < length) {\n        var key = props[index];\n        object[key] = source[key];\n      }\n      return object;\n    }\n\n    /**\n     * The base implementation of `_.callback` which supports specifying the\n     * number of arguments to provide to `func`.\n     *\n     * @private\n     * @param {*} [func=_.identity] The value to convert to a callback.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {number} [argCount] The number of arguments to provide to `func`.\n     * @returns {Function} Returns the callback.\n     */\n    function baseCallback(func, thisArg, argCount) {\n      var type = typeof func;\n      if (type == 'function') {\n        return thisArg === undefined\n          ? func\n          : bindCallback(func, thisArg, argCount);\n      }\n      if (func == null) {\n        return identity;\n      }\n      if (type == 'object') {\n        return baseMatches(func);\n      }\n      return thisArg === undefined\n        ? property(func)\n        : baseMatchesProperty(func, thisArg);\n    }\n\n    /**\n     * The base implementation of `_.clone` without support for argument juggling\n     * and `this` binding `customizer` functions.\n     *\n     * @private\n     * @param {*} value The value to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @param {Function} [customizer] The function to customize cloning values.\n     * @param {string} [key] The key of `value`.\n     * @param {Object} [object] The object `value` belongs to.\n     * @param {Array} [stackA=[]] Tracks traversed source objects.\n     * @param {Array} [stackB=[]] Associates clones with source counterparts.\n     * @returns {*} Returns the cloned value.\n     */\n    function baseClone(value, isDeep, customizer, key, object, stackA, stackB) {\n      var result;\n      if (customizer) {\n        result = object ? customizer(value, key, object) : customizer(value);\n      }\n      if (result !== undefined) {\n        return result;\n      }\n      if (!isObject(value)) {\n        return value;\n      }\n      var isArr = isArray(value);\n      if (isArr) {\n        result = initCloneArray(value);\n        if (!isDeep) {\n          return arrayCopy(value, result);\n        }\n      } else {\n        var tag = objToString.call(value),\n            isFunc = tag == funcTag;\n\n        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n          result = initCloneObject(isFunc ? {} : value);\n          if (!isDeep) {\n            return baseAssign(result, value);\n          }\n        } else {\n          return cloneableTags[tag]\n            ? initCloneByTag(value, tag, isDeep)\n            : (object ? value : {});\n        }\n      }\n      // Check for circular references and return its corresponding clone.\n      stackA || (stackA = []);\n      stackB || (stackB = []);\n\n      var length = stackA.length;\n      while (length--) {\n        if (stackA[length] == value) {\n          return stackB[length];\n        }\n      }\n      // Add the source value to the stack of traversed objects and associate it with its clone.\n      stackA.push(value);\n      stackB.push(result);\n\n      // Recursively populate clone (susceptible to call stack limits).\n      (isArr ? arrayEach : baseForOwn)(value, function(subValue, key) {\n        result[key] = baseClone(subValue, isDeep, customizer, key, value, stackA, stackB);\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.create` without support for assigning\n     * properties to the created object.\n     *\n     * @private\n     * @param {Object} prototype The object to inherit from.\n     * @returns {Object} Returns the new object.\n     */\n    var baseCreate = (function() {\n      function object() {}\n      return function(prototype) {\n        if (isObject(prototype)) {\n          object.prototype = prototype;\n          var result = new object;\n          object.prototype = undefined;\n        }\n        return result || {};\n      };\n    }());\n\n    /**\n     * The base implementation of `_.delay` and `_.defer` which accepts an index\n     * of where to slice the arguments to provide to `func`.\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {Object} args The arguments provide to `func`.\n     * @returns {number} Returns the timer id.\n     */\n    function baseDelay(func, wait, args) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return setTimeout(function() { func.apply(undefined, args); }, wait);\n    }\n\n    /**\n     * The base implementation of `_.difference` which accepts a single array\n     * of values to exclude.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Array} values The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     */\n    function baseDifference(array, values) {\n      var length = array ? array.length : 0,\n          result = [];\n\n      if (!length) {\n        return result;\n      }\n      var index = -1,\n          indexOf = getIndexOf(),\n          isCommon = indexOf == baseIndexOf,\n          cache = (isCommon && values.length >= LARGE_ARRAY_SIZE) ? createCache(values) : null,\n          valuesLength = values.length;\n\n      if (cache) {\n        indexOf = cacheIndexOf;\n        isCommon = false;\n        values = cache;\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index];\n\n        if (isCommon && value === value) {\n          var valuesIndex = valuesLength;\n          while (valuesIndex--) {\n            if (values[valuesIndex] === value) {\n              continue outer;\n            }\n          }\n          result.push(value);\n        }\n        else if (indexOf(values, value, 0) < 0) {\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.forEach` without support for callback\n     * shorthands and `this` binding.\n     *\n     * @private\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object|string} Returns `collection`.\n     */\n    var baseEach = createBaseEach(baseForOwn);\n\n    /**\n     * The base implementation of `_.forEachRight` without support for callback\n     * shorthands and `this` binding.\n     *\n     * @private\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object|string} Returns `collection`.\n     */\n    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\n    /**\n     * The base implementation of `_.every` without support for callback\n     * shorthands and `this` binding.\n     *\n     * @private\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`\n     */\n    function baseEvery(collection, predicate) {\n      var result = true;\n      baseEach(collection, function(value, index, collection) {\n        result = !!predicate(value, index, collection);\n        return result;\n      });\n      return result;\n    }\n\n    /**\n     * Gets the extremum value of `collection` invoking `iteratee` for each value\n     * in `collection` to generate the criterion by which the value is ranked.\n     * The `iteratee` is invoked with three arguments: (value, index|key, collection).\n     *\n     * @private\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} comparator The function used to compare values.\n     * @param {*} exValue The initial extremum value.\n     * @returns {*} Returns the extremum value.\n     */\n    function baseExtremum(collection, iteratee, comparator, exValue) {\n      var computed = exValue,\n          result = computed;\n\n      baseEach(collection, function(value, index, collection) {\n        var current = +iteratee(value, index, collection);\n        if (comparator(current, computed) || (current === exValue && current === result)) {\n          computed = current;\n          result = value;\n        }\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.fill` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     */\n    function baseFill(array, value, start, end) {\n      var length = array.length;\n\n      start = start == null ? 0 : (+start || 0);\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = (end === undefined || end > length) ? length : (+end || 0);\n      if (end < 0) {\n        end += length;\n      }\n      length = start > end ? 0 : (end >>> 0);\n      start >>>= 0;\n\n      while (start < length) {\n        array[start++] = value;\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.filter` without support for callback\n     * shorthands and `this` binding.\n     *\n     * @private\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     */\n    function baseFilter(collection, predicate) {\n      var result = [];\n      baseEach(collection, function(value, index, collection) {\n        if (predicate(value, index, collection)) {\n          result.push(value);\n        }\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.find`, `_.findLast`, `_.findKey`, and `_.findLastKey`,\n     * without support for callback shorthands and `this` binding, which iterates\n     * over `collection` using the provided `eachFunc`.\n     *\n     * @private\n     * @param {Array|Object|string} collection The collection to search.\n     * @param {Function} predicate The function invoked per iteration.\n     * @param {Function} eachFunc The function to iterate over `collection`.\n     * @param {boolean} [retKey] Specify returning the key of the found element\n     *  instead of the element itself.\n     * @returns {*} Returns the found element or its key, else `undefined`.\n     */\n    function baseFind(collection, predicate, eachFunc, retKey) {\n      var result;\n      eachFunc(collection, function(value, key, collection) {\n        if (predicate(value, key, collection)) {\n          result = retKey ? key : value;\n          return false;\n        }\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.flatten` with added support for restricting\n     * flattening and specifying the start index.\n     *\n     * @private\n     * @param {Array} array The array to flatten.\n     * @param {boolean} [isDeep] Specify a deep flatten.\n     * @param {boolean} [isStrict] Restrict flattening to arrays-like objects.\n     * @param {Array} [result=[]] The initial result value.\n     * @returns {Array} Returns the new flattened array.\n     */\n    function baseFlatten(array, isDeep, isStrict, result) {\n      result || (result = []);\n\n      var index = -1,\n          length = array.length;\n\n      while (++index < length) {\n        var value = array[index];\n        if (isObjectLike(value) && isArrayLike(value) &&\n            (isStrict || isArray(value) || isArguments(value))) {\n          if (isDeep) {\n            // Recursively flatten arrays (susceptible to call stack limits).\n            baseFlatten(value, isDeep, isStrict, result);\n          } else {\n            arrayPush(result, value);\n          }\n        } else if (!isStrict) {\n          result[result.length] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `baseForIn` and `baseForOwn` which iterates\n     * over `object` properties returned by `keysFunc` invoking `iteratee` for\n     * each property. Iteratee functions may exit iteration early by explicitly\n     * returning `false`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseFor = createBaseFor();\n\n    /**\n     * This function is like `baseFor` except that it iterates over properties\n     * in the opposite order.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseForRight = createBaseFor(true);\n\n    /**\n     * The base implementation of `_.forIn` without support for callback\n     * shorthands and `this` binding.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForIn(object, iteratee) {\n      return baseFor(object, iteratee, keysIn);\n    }\n\n    /**\n     * The base implementation of `_.forOwn` without support for callback\n     * shorthands and `this` binding.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwn(object, iteratee) {\n      return baseFor(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.forOwnRight` without support for callback\n     * shorthands and `this` binding.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwnRight(object, iteratee) {\n      return baseForRight(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.functions` which creates an array of\n     * `object` function property names filtered from those provided.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Array} props The property names to filter.\n     * @returns {Array} Returns the new array of filtered property names.\n     */\n    function baseFunctions(object, props) {\n      var index = -1,\n          length = props.length,\n          resIndex = -1,\n          result = [];\n\n      while (++index < length) {\n        var key = props[index];\n        if (isFunction(object[key])) {\n          result[++resIndex] = key;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `get` without support for string paths\n     * and default values.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array} path The path of the property to get.\n     * @param {string} [pathKey] The key representation of path.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseGet(object, path, pathKey) {\n      if (object == null) {\n        return;\n      }\n      if (pathKey !== undefined && pathKey in toObject(object)) {\n        path = [pathKey];\n      }\n      var index = 0,\n          length = path.length;\n\n      while (object != null && index < length) {\n        object = object[path[index++]];\n      }\n      return (index && index == length) ? object : undefined;\n    }\n\n    /**\n     * The base implementation of `_.isEqual` without support for `this` binding\n     * `customizer` functions.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {Function} [customizer] The function to customize comparing values.\n     * @param {boolean} [isLoose] Specify performing partial comparisons.\n     * @param {Array} [stackA] Tracks traversed `value` objects.\n     * @param {Array} [stackB] Tracks traversed `other` objects.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     */\n    function baseIsEqual(value, other, customizer, isLoose, stackA, stackB) {\n      if (value === other) {\n        return true;\n      }\n      if (value == null || other == null || (!isObject(value) && !isObjectLike(other))) {\n        return value !== value && other !== other;\n      }\n      return baseIsEqualDeep(value, other, baseIsEqual, customizer, isLoose, stackA, stackB);\n    }\n\n    /**\n     * A specialized version of `baseIsEqual` for arrays and objects which performs\n     * deep comparisons and tracks traversed objects enabling objects with circular\n     * references to be compared.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Function} [customizer] The function to customize comparing objects.\n     * @param {boolean} [isLoose] Specify performing partial comparisons.\n     * @param {Array} [stackA=[]] Tracks traversed `value` objects.\n     * @param {Array} [stackB=[]] Tracks traversed `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function baseIsEqualDeep(object, other, equalFunc, customizer, isLoose, stackA, stackB) {\n      var objIsArr = isArray(object),\n          othIsArr = isArray(other),\n          objTag = arrayTag,\n          othTag = arrayTag;\n\n      if (!objIsArr) {\n        objTag = objToString.call(object);\n        if (objTag == argsTag) {\n          objTag = objectTag;\n        } else if (objTag != objectTag) {\n          objIsArr = isTypedArray(object);\n        }\n      }\n      if (!othIsArr) {\n        othTag = objToString.call(other);\n        if (othTag == argsTag) {\n          othTag = objectTag;\n        } else if (othTag != objectTag) {\n          othIsArr = isTypedArray(other);\n        }\n      }\n      var objIsObj = objTag == objectTag,\n          othIsObj = othTag == objectTag,\n          isSameTag = objTag == othTag;\n\n      if (isSameTag && !(objIsArr || objIsObj)) {\n        return equalByTag(object, other, objTag);\n      }\n      if (!isLoose) {\n        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n        if (objIsWrapped || othIsWrapped) {\n          return equalFunc(objIsWrapped ? object.value() : object, othIsWrapped ? other.value() : other, customizer, isLoose, stackA, stackB);\n        }\n      }\n      if (!isSameTag) {\n        return false;\n      }\n      // Assume cyclic values are equal.\n      // For more information on detecting circular references see https://es5.github.io/#JO.\n      stackA || (stackA = []);\n      stackB || (stackB = []);\n\n      var length = stackA.length;\n      while (length--) {\n        if (stackA[length] == object) {\n          return stackB[length] == other;\n        }\n      }\n      // Add `object` and `other` to the stack of traversed objects.\n      stackA.push(object);\n      stackB.push(other);\n\n      var result = (objIsArr ? equalArrays : equalObjects)(object, other, equalFunc, customizer, isLoose, stackA, stackB);\n\n      stackA.pop();\n      stackB.pop();\n\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.isMatch` without support for callback\n     * shorthands and `this` binding.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Array} matchData The propery names, values, and compare flags to match.\n     * @param {Function} [customizer] The function to customize comparing objects.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     */\n    function baseIsMatch(object, matchData, customizer) {\n      var index = matchData.length,\n          length = index,\n          noCustomizer = !customizer;\n\n      if (object == null) {\n        return !length;\n      }\n      object = toObject(object);\n      while (index--) {\n        var data = matchData[index];\n        if ((noCustomizer && data[2])\n              ? data[1] !== object[data[0]]\n              : !(data[0] in object)\n            ) {\n          return false;\n        }\n      }\n      while (++index < length) {\n        data = matchData[index];\n        var key = data[0],\n            objValue = object[key],\n            srcValue = data[1];\n\n        if (noCustomizer && data[2]) {\n          if (objValue === undefined && !(key in object)) {\n            return false;\n          }\n        } else {\n          var result = customizer ? customizer(objValue, srcValue, key) : undefined;\n          if (!(result === undefined ? baseIsEqual(srcValue, objValue, customizer, true) : result)) {\n            return false;\n          }\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.map` without support for callback shorthands\n     * and `this` binding.\n     *\n     * @private\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     */\n    function baseMap(collection, iteratee) {\n      var index = -1,\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value, key, collection) {\n        result[++index] = iteratee(value, key, collection);\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.matches` which does not clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new function.\n     */\n    function baseMatches(source) {\n      var matchData = getMatchData(source);\n      if (matchData.length == 1 && matchData[0][2]) {\n        var key = matchData[0][0],\n            value = matchData[0][1];\n\n        return function(object) {\n          if (object == null) {\n            return false;\n          }\n          return object[key] === value && (value !== undefined || (key in toObject(object)));\n        };\n      }\n      return function(object) {\n        return baseIsMatch(object, matchData);\n      };\n    }\n\n    /**\n     * The base implementation of `_.matchesProperty` which does not clone `srcValue`.\n     *\n     * @private\n     * @param {string} path The path of the property to get.\n     * @param {*} srcValue The value to compare.\n     * @returns {Function} Returns the new function.\n     */\n    function baseMatchesProperty(path, srcValue) {\n      var isArr = isArray(path),\n          isCommon = isKey(path) && isStrictComparable(srcValue),\n          pathKey = (path + '');\n\n      path = toPath(path);\n      return function(object) {\n        if (object == null) {\n          return false;\n        }\n        var key = pathKey;\n        object = toObject(object);\n        if ((isArr || !isCommon) && !(key in object)) {\n          object = path.length == 1 ? object : baseGet(object, baseSlice(path, 0, -1));\n          if (object == null) {\n            return false;\n          }\n          key = last(path);\n          object = toObject(object);\n        }\n        return object[key] === srcValue\n          ? (srcValue !== undefined || (key in object))\n          : baseIsEqual(srcValue, object[key], undefined, true);\n      };\n    }\n\n    /**\n     * The base implementation of `_.merge` without support for argument juggling,\n     * multiple sources, and `this` binding `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {Function} [customizer] The function to customize merged values.\n     * @param {Array} [stackA=[]] Tracks traversed source objects.\n     * @param {Array} [stackB=[]] Associates values with source counterparts.\n     * @returns {Object} Returns `object`.\n     */\n    function baseMerge(object, source, customizer, stackA, stackB) {\n      if (!isObject(object)) {\n        return object;\n      }\n      var isSrcArr = isArrayLike(source) && (isArray(source) || isTypedArray(source)),\n          props = isSrcArr ? undefined : keys(source);\n\n      arrayEach(props || source, function(srcValue, key) {\n        if (props) {\n          key = srcValue;\n          srcValue = source[key];\n        }\n        if (isObjectLike(srcValue)) {\n          stackA || (stackA = []);\n          stackB || (stackB = []);\n          baseMergeDeep(object, source, key, baseMerge, customizer, stackA, stackB);\n        }\n        else {\n          var value = object[key],\n              result = customizer ? customizer(value, srcValue, key, object, source) : undefined,\n              isCommon = result === undefined;\n\n          if (isCommon) {\n            result = srcValue;\n          }\n          if ((result !== undefined || (isSrcArr && !(key in object))) &&\n              (isCommon || (result === result ? (result !== value) : (value === value)))) {\n            object[key] = result;\n          }\n        }\n      });\n      return object;\n    }\n\n    /**\n     * A specialized version of `baseMerge` for arrays and objects which performs\n     * deep merges and tracks traversed objects enabling objects with circular\n     * references to be merged.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {string} key The key of the value to merge.\n     * @param {Function} mergeFunc The function to merge values.\n     * @param {Function} [customizer] The function to customize merged values.\n     * @param {Array} [stackA=[]] Tracks traversed source objects.\n     * @param {Array} [stackB=[]] Associates values with source counterparts.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function baseMergeDeep(object, source, key, mergeFunc, customizer, stackA, stackB) {\n      var length = stackA.length,\n          srcValue = source[key];\n\n      while (length--) {\n        if (stackA[length] == srcValue) {\n          object[key] = stackB[length];\n          return;\n        }\n      }\n      var value = object[key],\n          result = customizer ? customizer(value, srcValue, key, object, source) : undefined,\n          isCommon = result === undefined;\n\n      if (isCommon) {\n        result = srcValue;\n        if (isArrayLike(srcValue) && (isArray(srcValue) || isTypedArray(srcValue))) {\n          result = isArray(value)\n            ? value\n            : (isArrayLike(value) ? arrayCopy(value) : []);\n        }\n        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n          result = isArguments(value)\n            ? toPlainObject(value)\n            : (isPlainObject(value) ? value : {});\n        }\n        else {\n          isCommon = false;\n        }\n      }\n      // Add the source value to the stack of traversed objects and associate\n      // it with its merged value.\n      stackA.push(srcValue);\n      stackB.push(result);\n\n      if (isCommon) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        object[key] = mergeFunc(result, srcValue, customizer, stackA, stackB);\n      } else if (result === result ? (result !== value) : (value === value)) {\n        object[key] = result;\n      }\n    }\n\n    /**\n     * The base implementation of `_.property` without support for deep paths.\n     *\n     * @private\n     * @param {string} key The key of the property to get.\n     * @returns {Function} Returns the new function.\n     */\n    function baseProperty(key) {\n      return function(object) {\n        return object == null ? undefined : object[key];\n      };\n    }\n\n    /**\n     * A specialized version of `baseProperty` which supports deep paths.\n     *\n     * @private\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new function.\n     */\n    function basePropertyDeep(path) {\n      var pathKey = (path + '');\n      path = toPath(path);\n      return function(object) {\n        return baseGet(object, path, pathKey);\n      };\n    }\n\n    /**\n     * The base implementation of `_.pullAt` without support for individual\n     * index arguments and capturing the removed elements.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {number[]} indexes The indexes of elements to remove.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAt(array, indexes) {\n      var length = array ? indexes.length : 0;\n      while (length--) {\n        var index = indexes[length];\n        if (index != previous && isIndex(index)) {\n          var previous = index;\n          splice.call(array, index, 1);\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.random` without support for argument juggling\n     * and returning floating-point numbers.\n     *\n     * @private\n     * @param {number} min The minimum possible value.\n     * @param {number} max The maximum possible value.\n     * @returns {number} Returns the random number.\n     */\n    function baseRandom(min, max) {\n      return min + nativeFloor(nativeRandom() * (max - min + 1));\n    }\n\n    /**\n     * The base implementation of `_.reduce` and `_.reduceRight` without support\n     * for callback shorthands and `this` binding, which iterates over `collection`\n     * using the provided `eachFunc`.\n     *\n     * @private\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {*} accumulator The initial value.\n     * @param {boolean} initFromCollection Specify using the first or last element\n     *  of `collection` as the initial value.\n     * @param {Function} eachFunc The function to iterate over `collection`.\n     * @returns {*} Returns the accumulated value.\n     */\n    function baseReduce(collection, iteratee, accumulator, initFromCollection, eachFunc) {\n      eachFunc(collection, function(value, index, collection) {\n        accumulator = initFromCollection\n          ? (initFromCollection = false, value)\n          : iteratee(accumulator, value, index, collection);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `setData` without support for hot loop detection.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetData = !metaMap ? identity : function(func, data) {\n      metaMap.set(func, data);\n      return func;\n    };\n\n    /**\n     * The base implementation of `_.slice` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseSlice(array, start, end) {\n      var index = -1,\n          length = array.length;\n\n      start = start == null ? 0 : (+start || 0);\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = (end === undefined || end > length) ? length : (+end || 0);\n      if (end < 0) {\n        end += length;\n      }\n      length = start > end ? 0 : ((end - start) >>> 0);\n      start >>>= 0;\n\n      var result = Array(length);\n      while (++index < length) {\n        result[index] = array[index + start];\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.some` without support for callback shorthands\n     * and `this` binding.\n     *\n     * @private\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     */\n    function baseSome(collection, predicate) {\n      var result;\n\n      baseEach(collection, function(value, index, collection) {\n        result = predicate(value, index, collection);\n        return !result;\n      });\n      return !!result;\n    }\n\n    /**\n     * The base implementation of `_.sortBy` which uses `comparer` to define\n     * the sort order of `array` and replaces criteria objects with their\n     * corresponding values.\n     *\n     * @private\n     * @param {Array} array The array to sort.\n     * @param {Function} comparer The function to define sort order.\n     * @returns {Array} Returns `array`.\n     */\n    function baseSortBy(array, comparer) {\n      var length = array.length;\n\n      array.sort(comparer);\n      while (length--) {\n        array[length] = array[length].value;\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.sortByOrder` without param guards.\n     *\n     * @private\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n     * @param {boolean[]} orders The sort orders of `iteratees`.\n     * @returns {Array} Returns the new sorted array.\n     */\n    function baseSortByOrder(collection, iteratees, orders) {\n      var callback = getCallback(),\n          index = -1;\n\n      iteratees = arrayMap(iteratees, function(iteratee) { return callback(iteratee); });\n\n      var result = baseMap(collection, function(value) {\n        var criteria = arrayMap(iteratees, function(iteratee) { return iteratee(value); });\n        return { 'criteria': criteria, 'index': ++index, 'value': value };\n      });\n\n      return baseSortBy(result, function(object, other) {\n        return compareMultiple(object, other, orders);\n      });\n    }\n\n    /**\n     * The base implementation of `_.sum` without support for callback shorthands\n     * and `this` binding.\n     *\n     * @private\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {number} Returns the sum.\n     */\n    function baseSum(collection, iteratee) {\n      var result = 0;\n      baseEach(collection, function(value, index, collection) {\n        result += +iteratee(value, index, collection) || 0;\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.uniq` without support for callback shorthands\n     * and `this` binding.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The function invoked per iteration.\n     * @returns {Array} Returns the new duplicate-value-free array.\n     */\n    function baseUniq(array, iteratee) {\n      var index = -1,\n          indexOf = getIndexOf(),\n          length = array.length,\n          isCommon = indexOf == baseIndexOf,\n          isLarge = isCommon && length >= LARGE_ARRAY_SIZE,\n          seen = isLarge ? createCache() : null,\n          result = [];\n\n      if (seen) {\n        indexOf = cacheIndexOf;\n        isCommon = false;\n      } else {\n        isLarge = false;\n        seen = iteratee ? [] : result;\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value, index, array) : value;\n\n        if (isCommon && value === value) {\n          var seenIndex = seen.length;\n          while (seenIndex--) {\n            if (seen[seenIndex] === computed) {\n              continue outer;\n            }\n          }\n          if (iteratee) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n        else if (indexOf(seen, computed, 0) < 0) {\n          if (iteratee || isLarge) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.values` and `_.valuesIn` which creates an\n     * array of `object` property values corresponding to the property names\n     * of `props`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array} props The property names to get values for.\n     * @returns {Object} Returns the array of property values.\n     */\n    function baseValues(object, props) {\n      var index = -1,\n          length = props.length,\n          result = Array(length);\n\n      while (++index < length) {\n        result[index] = object[props[index]];\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.dropRightWhile`, `_.dropWhile`, `_.takeRightWhile`,\n     * and `_.takeWhile` without support for callback shorthands and `this` binding.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {Function} predicate The function invoked per iteration.\n     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseWhile(array, predicate, isDrop, fromRight) {\n      var length = array.length,\n          index = fromRight ? length : -1;\n\n      while ((fromRight ? index-- : ++index < length) && predicate(array[index], index, array)) {}\n      return isDrop\n        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n    }\n\n    /**\n     * The base implementation of `wrapperValue` which returns the result of\n     * performing a sequence of actions on the unwrapped `value`, where each\n     * successive action is supplied the return value of the previous.\n     *\n     * @private\n     * @param {*} value The unwrapped value.\n     * @param {Array} actions Actions to peform to resolve the unwrapped value.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseWrapperValue(value, actions) {\n      var result = value;\n      if (result instanceof LazyWrapper) {\n        result = result.value();\n      }\n      var index = -1,\n          length = actions.length;\n\n      while (++index < length) {\n        var action = actions[index];\n        result = action.func.apply(action.thisArg, arrayPush([result], action.args));\n      }\n      return result;\n    }\n\n    /**\n     * Performs a binary search of `array` to determine the index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function binaryIndex(array, value, retHighest) {\n      var low = 0,\n          high = array ? array.length : low;\n\n      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n        while (low < high) {\n          var mid = (low + high) >>> 1,\n              computed = array[mid];\n\n          if ((retHighest ? (computed <= value) : (computed < value)) && computed !== null) {\n            low = mid + 1;\n          } else {\n            high = mid;\n          }\n        }\n        return high;\n      }\n      return binaryIndexBy(array, value, identity, retHighest);\n    }\n\n    /**\n     * This function is like `binaryIndex` except that it invokes `iteratee` for\n     * `value` and each element of `array` to compute their sort ranking. The\n     * iteratee is invoked with one argument; (value).\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function binaryIndexBy(array, value, iteratee, retHighest) {\n      value = iteratee(value);\n\n      var low = 0,\n          high = array ? array.length : 0,\n          valIsNaN = value !== value,\n          valIsNull = value === null,\n          valIsUndef = value === undefined;\n\n      while (low < high) {\n        var mid = nativeFloor((low + high) / 2),\n            computed = iteratee(array[mid]),\n            isDef = computed !== undefined,\n            isReflexive = computed === computed;\n\n        if (valIsNaN) {\n          var setLow = isReflexive || retHighest;\n        } else if (valIsNull) {\n          setLow = isReflexive && isDef && (retHighest || computed != null);\n        } else if (valIsUndef) {\n          setLow = isReflexive && (retHighest || isDef);\n        } else if (computed == null) {\n          setLow = false;\n        } else {\n          setLow = retHighest ? (computed <= value) : (computed < value);\n        }\n        if (setLow) {\n          low = mid + 1;\n        } else {\n          high = mid;\n        }\n      }\n      return nativeMin(high, MAX_ARRAY_INDEX);\n    }\n\n    /**\n     * A specialized version of `baseCallback` which only supports `this` binding\n     * and specifying the number of arguments to provide to `func`.\n     *\n     * @private\n     * @param {Function} func The function to bind.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {number} [argCount] The number of arguments to provide to `func`.\n     * @returns {Function} Returns the callback.\n     */\n    function bindCallback(func, thisArg, argCount) {\n      if (typeof func != 'function') {\n        return identity;\n      }\n      if (thisArg === undefined) {\n        return func;\n      }\n      switch (argCount) {\n        case 1: return function(value) {\n          return func.call(thisArg, value);\n        };\n        case 3: return function(value, index, collection) {\n          return func.call(thisArg, value, index, collection);\n        };\n        case 4: return function(accumulator, value, index, collection) {\n          return func.call(thisArg, accumulator, value, index, collection);\n        };\n        case 5: return function(value, other, key, object, source) {\n          return func.call(thisArg, value, other, key, object, source);\n        };\n      }\n      return function() {\n        return func.apply(thisArg, arguments);\n      };\n    }\n\n    /**\n     * Creates a clone of the given array buffer.\n     *\n     * @private\n     * @param {ArrayBuffer} buffer The array buffer to clone.\n     * @returns {ArrayBuffer} Returns the cloned array buffer.\n     */\n    function bufferClone(buffer) {\n      var result = new ArrayBuffer(buffer.byteLength),\n          view = new Uint8Array(result);\n\n      view.set(new Uint8Array(buffer));\n      return result;\n    }\n\n    /**\n     * Creates an array that is the composition of partially applied arguments,\n     * placeholders, and provided arguments into a single array of arguments.\n     *\n     * @private\n     * @param {Array|Object} args The provided arguments.\n     * @param {Array} partials The arguments to prepend to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgs(args, partials, holders) {\n      var holdersLength = holders.length,\n          argsIndex = -1,\n          argsLength = nativeMax(args.length - holdersLength, 0),\n          leftIndex = -1,\n          leftLength = partials.length,\n          result = Array(leftLength + argsLength);\n\n      while (++leftIndex < leftLength) {\n        result[leftIndex] = partials[leftIndex];\n      }\n      while (++argsIndex < holdersLength) {\n        result[holders[argsIndex]] = args[argsIndex];\n      }\n      while (argsLength--) {\n        result[leftIndex++] = args[argsIndex++];\n      }\n      return result;\n    }\n\n    /**\n     * This function is like `composeArgs` except that the arguments composition\n     * is tailored for `_.partialRight`.\n     *\n     * @private\n     * @param {Array|Object} args The provided arguments.\n     * @param {Array} partials The arguments to append to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgsRight(args, partials, holders) {\n      var holdersIndex = -1,\n          holdersLength = holders.length,\n          argsIndex = -1,\n          argsLength = nativeMax(args.length - holdersLength, 0),\n          rightIndex = -1,\n          rightLength = partials.length,\n          result = Array(argsLength + rightLength);\n\n      while (++argsIndex < argsLength) {\n        result[argsIndex] = args[argsIndex];\n      }\n      var offset = argsIndex;\n      while (++rightIndex < rightLength) {\n        result[offset + rightIndex] = partials[rightIndex];\n      }\n      while (++holdersIndex < holdersLength) {\n        result[offset + holders[holdersIndex]] = args[argsIndex++];\n      }\n      return result;\n    }\n\n    /**\n     * Creates a `_.countBy`, `_.groupBy`, `_.indexBy`, or `_.partition` function.\n     *\n     * @private\n     * @param {Function} setter The function to set keys and values of the accumulator object.\n     * @param {Function} [initializer] The function to initialize the accumulator object.\n     * @returns {Function} Returns the new aggregator function.\n     */\n    function createAggregator(setter, initializer) {\n      return function(collection, iteratee, thisArg) {\n        var result = initializer ? initializer() : {};\n        iteratee = getCallback(iteratee, thisArg, 3);\n\n        if (isArray(collection)) {\n          var index = -1,\n              length = collection.length;\n\n          while (++index < length) {\n            var value = collection[index];\n            setter(result, value, iteratee(value, index, collection), collection);\n          }\n        } else {\n          baseEach(collection, function(value, key, collection) {\n            setter(result, value, iteratee(value, key, collection), collection);\n          });\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a `_.assign`, `_.defaults`, or `_.merge` function.\n     *\n     * @private\n     * @param {Function} assigner The function to assign values.\n     * @returns {Function} Returns the new assigner function.\n     */\n    function createAssigner(assigner) {\n      return restParam(function(object, sources) {\n        var index = -1,\n            length = object == null ? 0 : sources.length,\n            customizer = length > 2 ? sources[length - 2] : undefined,\n            guard = length > 2 ? sources[2] : undefined,\n            thisArg = length > 1 ? sources[length - 1] : undefined;\n\n        if (typeof customizer == 'function') {\n          customizer = bindCallback(customizer, thisArg, 5);\n          length -= 2;\n        } else {\n          customizer = typeof thisArg == 'function' ? thisArg : undefined;\n          length -= (customizer ? 1 : 0);\n        }\n        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n          customizer = length < 3 ? undefined : customizer;\n          length = 1;\n        }\n        while (++index < length) {\n          var source = sources[index];\n          if (source) {\n            assigner(object, source, customizer);\n          }\n        }\n        return object;\n      });\n    }\n\n    /**\n     * Creates a `baseEach` or `baseEachRight` function.\n     *\n     * @private\n     * @param {Function} eachFunc The function to iterate over a collection.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseEach(eachFunc, fromRight) {\n      return function(collection, iteratee) {\n        var length = collection ? getLength(collection) : 0;\n        if (!isLength(length)) {\n          return eachFunc(collection, iteratee);\n        }\n        var index = fromRight ? length : -1,\n            iterable = toObject(collection);\n\n        while ((fromRight ? index-- : ++index < length)) {\n          if (iteratee(iterable[index], index, iterable) === false) {\n            break;\n          }\n        }\n        return collection;\n      };\n    }\n\n    /**\n     * Creates a base function for `_.forIn` or `_.forInRight`.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseFor(fromRight) {\n      return function(object, iteratee, keysFunc) {\n        var iterable = toObject(object),\n            props = keysFunc(object),\n            length = props.length,\n            index = fromRight ? length : -1;\n\n        while ((fromRight ? index-- : ++index < length)) {\n          var key = props[index];\n          if (iteratee(iterable[key], key, iterable) === false) {\n            break;\n          }\n        }\n        return object;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` and invokes it with the `this`\n     * binding of `thisArg`.\n     *\n     * @private\n     * @param {Function} func The function to bind.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @returns {Function} Returns the new bound function.\n     */\n    function createBindWrapper(func, thisArg) {\n      var Ctor = createCtorWrapper(func);\n\n      function wrapper() {\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return fn.apply(thisArg, arguments);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `Set` cache object to optimize linear searches of large arrays.\n     *\n     * @private\n     * @param {Array} [values] The values to cache.\n     * @returns {null|Object} Returns the new cache object if `Set` is supported, else `null`.\n     */\n    function createCache(values) {\n      return (nativeCreate && Set) ? new SetCache(values) : null;\n    }\n\n    /**\n     * Creates a function that produces compound words out of the words in a\n     * given string.\n     *\n     * @private\n     * @param {Function} callback The function to combine each word.\n     * @returns {Function} Returns the new compounder function.\n     */\n    function createCompounder(callback) {\n      return function(string) {\n        var index = -1,\n            array = words(deburr(string)),\n            length = array.length,\n            result = '';\n\n        while (++index < length) {\n          result = callback(result, array[index], index);\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function that produces an instance of `Ctor` regardless of\n     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n     *\n     * @private\n     * @param {Function} Ctor The constructor to wrap.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCtorWrapper(Ctor) {\n      return function() {\n        // Use a `switch` statement to work with class constructors.\n        // See http://ecma-international.org/ecma-262/6.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n        // for more details.\n        var args = arguments;\n        switch (args.length) {\n          case 0: return new Ctor;\n          case 1: return new Ctor(args[0]);\n          case 2: return new Ctor(args[0], args[1]);\n          case 3: return new Ctor(args[0], args[1], args[2]);\n          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n        }\n        var thisBinding = baseCreate(Ctor.prototype),\n            result = Ctor.apply(thisBinding, args);\n\n        // Mimic the constructor's `return` behavior.\n        // See https://es5.github.io/#x13.2.2 for more details.\n        return isObject(result) ? result : thisBinding;\n      };\n    }\n\n    /**\n     * Creates a `_.curry` or `_.curryRight` function.\n     *\n     * @private\n     * @param {boolean} flag The curry bit flag.\n     * @returns {Function} Returns the new curry function.\n     */\n    function createCurry(flag) {\n      function curryFunc(func, arity, guard) {\n        if (guard && isIterateeCall(func, arity, guard)) {\n          arity = undefined;\n        }\n        var result = createWrapper(func, flag, undefined, undefined, undefined, undefined, undefined, arity);\n        result.placeholder = curryFunc.placeholder;\n        return result;\n      }\n      return curryFunc;\n    }\n\n    /**\n     * Creates a `_.defaults` or `_.defaultsDeep` function.\n     *\n     * @private\n     * @param {Function} assigner The function to assign values.\n     * @param {Function} customizer The function to customize assigned values.\n     * @returns {Function} Returns the new defaults function.\n     */\n    function createDefaults(assigner, customizer) {\n      return restParam(function(args) {\n        var object = args[0];\n        if (object == null) {\n          return object;\n        }\n        args.push(customizer);\n        return assigner.apply(undefined, args);\n      });\n    }\n\n    /**\n     * Creates a `_.max` or `_.min` function.\n     *\n     * @private\n     * @param {Function} comparator The function used to compare values.\n     * @param {*} exValue The initial extremum value.\n     * @returns {Function} Returns the new extremum function.\n     */\n    function createExtremum(comparator, exValue) {\n      return function(collection, iteratee, thisArg) {\n        if (thisArg && isIterateeCall(collection, iteratee, thisArg)) {\n          iteratee = undefined;\n        }\n        iteratee = getCallback(iteratee, thisArg, 3);\n        if (iteratee.length == 1) {\n          collection = isArray(collection) ? collection : toIterable(collection);\n          var result = arrayExtremum(collection, iteratee, comparator, exValue);\n          if (!(collection.length && result === exValue)) {\n            return result;\n          }\n        }\n        return baseExtremum(collection, iteratee, comparator, exValue);\n      };\n    }\n\n    /**\n     * Creates a `_.find` or `_.findLast` function.\n     *\n     * @private\n     * @param {Function} eachFunc The function to iterate over a collection.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new find function.\n     */\n    function createFind(eachFunc, fromRight) {\n      return function(collection, predicate, thisArg) {\n        predicate = getCallback(predicate, thisArg, 3);\n        if (isArray(collection)) {\n          var index = baseFindIndex(collection, predicate, fromRight);\n          return index > -1 ? collection[index] : undefined;\n        }\n        return baseFind(collection, predicate, eachFunc);\n      };\n    }\n\n    /**\n     * Creates a `_.findIndex` or `_.findLastIndex` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new find function.\n     */\n    function createFindIndex(fromRight) {\n      return function(array, predicate, thisArg) {\n        if (!(array && array.length)) {\n          return -1;\n        }\n        predicate = getCallback(predicate, thisArg, 3);\n        return baseFindIndex(array, predicate, fromRight);\n      };\n    }\n\n    /**\n     * Creates a `_.findKey` or `_.findLastKey` function.\n     *\n     * @private\n     * @param {Function} objectFunc The function to iterate over an object.\n     * @returns {Function} Returns the new find function.\n     */\n    function createFindKey(objectFunc) {\n      return function(object, predicate, thisArg) {\n        predicate = getCallback(predicate, thisArg, 3);\n        return baseFind(object, predicate, objectFunc, true);\n      };\n    }\n\n    /**\n     * Creates a `_.flow` or `_.flowRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new flow function.\n     */\n    function createFlow(fromRight) {\n      return function() {\n        var wrapper,\n            length = arguments.length,\n            index = fromRight ? length : -1,\n            leftIndex = 0,\n            funcs = Array(length);\n\n        while ((fromRight ? index-- : ++index < length)) {\n          var func = funcs[leftIndex++] = arguments[index];\n          if (typeof func != 'function') {\n            throw new TypeError(FUNC_ERROR_TEXT);\n          }\n          if (!wrapper && LodashWrapper.prototype.thru && getFuncName(func) == 'wrapper') {\n            wrapper = new LodashWrapper([], true);\n          }\n        }\n        index = wrapper ? -1 : length;\n        while (++index < length) {\n          func = funcs[index];\n\n          var funcName = getFuncName(func),\n              data = funcName == 'wrapper' ? getData(func) : undefined;\n\n          if (data && isLaziable(data[0]) && data[1] == (ARY_FLAG | CURRY_FLAG | PARTIAL_FLAG | REARG_FLAG) && !data[4].length && data[9] == 1) {\n            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n          } else {\n            wrapper = (func.length == 1 && isLaziable(func)) ? wrapper[funcName]() : wrapper.thru(func);\n          }\n        }\n        return function() {\n          var args = arguments,\n              value = args[0];\n\n          if (wrapper && args.length == 1 && isArray(value) && value.length >= LARGE_ARRAY_SIZE) {\n            return wrapper.plant(value).value();\n          }\n          var index = 0,\n              result = length ? funcs[index].apply(this, args) : value;\n\n          while (++index < length) {\n            result = funcs[index].call(this, result);\n          }\n          return result;\n        };\n      };\n    }\n\n    /**\n     * Creates a function for `_.forEach` or `_.forEachRight`.\n     *\n     * @private\n     * @param {Function} arrayFunc The function to iterate over an array.\n     * @param {Function} eachFunc The function to iterate over a collection.\n     * @returns {Function} Returns the new each function.\n     */\n    function createForEach(arrayFunc, eachFunc) {\n      return function(collection, iteratee, thisArg) {\n        return (typeof iteratee == 'function' && thisArg === undefined && isArray(collection))\n          ? arrayFunc(collection, iteratee)\n          : eachFunc(collection, bindCallback(iteratee, thisArg, 3));\n      };\n    }\n\n    /**\n     * Creates a function for `_.forIn` or `_.forInRight`.\n     *\n     * @private\n     * @param {Function} objectFunc The function to iterate over an object.\n     * @returns {Function} Returns the new each function.\n     */\n    function createForIn(objectFunc) {\n      return function(object, iteratee, thisArg) {\n        if (typeof iteratee != 'function' || thisArg !== undefined) {\n          iteratee = bindCallback(iteratee, thisArg, 3);\n        }\n        return objectFunc(object, iteratee, keysIn);\n      };\n    }\n\n    /**\n     * Creates a function for `_.forOwn` or `_.forOwnRight`.\n     *\n     * @private\n     * @param {Function} objectFunc The function to iterate over an object.\n     * @returns {Function} Returns the new each function.\n     */\n    function createForOwn(objectFunc) {\n      return function(object, iteratee, thisArg) {\n        if (typeof iteratee != 'function' || thisArg !== undefined) {\n          iteratee = bindCallback(iteratee, thisArg, 3);\n        }\n        return objectFunc(object, iteratee);\n      };\n    }\n\n    /**\n     * Creates a function for `_.mapKeys` or `_.mapValues`.\n     *\n     * @private\n     * @param {boolean} [isMapKeys] Specify mapping keys instead of values.\n     * @returns {Function} Returns the new map function.\n     */\n    function createObjectMapper(isMapKeys) {\n      return function(object, iteratee, thisArg) {\n        var result = {};\n        iteratee = getCallback(iteratee, thisArg, 3);\n\n        baseForOwn(object, function(value, key, object) {\n          var mapped = iteratee(value, key, object);\n          key = isMapKeys ? mapped : key;\n          value = isMapKeys ? value : mapped;\n          result[key] = value;\n        });\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function for `_.padLeft` or `_.padRight`.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify padding from the right.\n     * @returns {Function} Returns the new pad function.\n     */\n    function createPadDir(fromRight) {\n      return function(string, length, chars) {\n        string = baseToString(string);\n        return (fromRight ? string : '') + createPadding(string, length, chars) + (fromRight ? '' : string);\n      };\n    }\n\n    /**\n     * Creates a `_.partial` or `_.partialRight` function.\n     *\n     * @private\n     * @param {boolean} flag The partial bit flag.\n     * @returns {Function} Returns the new partial function.\n     */\n    function createPartial(flag) {\n      var partialFunc = restParam(function(func, partials) {\n        var holders = replaceHolders(partials, partialFunc.placeholder);\n        return createWrapper(func, flag, undefined, partials, holders);\n      });\n      return partialFunc;\n    }\n\n    /**\n     * Creates a function for `_.reduce` or `_.reduceRight`.\n     *\n     * @private\n     * @param {Function} arrayFunc The function to iterate over an array.\n     * @param {Function} eachFunc The function to iterate over a collection.\n     * @returns {Function} Returns the new each function.\n     */\n    function createReduce(arrayFunc, eachFunc) {\n      return function(collection, iteratee, accumulator, thisArg) {\n        var initFromArray = arguments.length < 3;\n        return (typeof iteratee == 'function' && thisArg === undefined && isArray(collection))\n          ? arrayFunc(collection, iteratee, accumulator, initFromArray)\n          : baseReduce(collection, getCallback(iteratee, thisArg, 4), accumulator, initFromArray, eachFunc);\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` and invokes it with optional `this`\n     * binding of, partial application, and currying.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to reference.\n     * @param {number} bitmask The bitmask of flags. See `createWrapper` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [partialsRight] The arguments to append to those provided to the new function.\n     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createHybridWrapper(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n      var isAry = bitmask & ARY_FLAG,\n          isBind = bitmask & BIND_FLAG,\n          isBindKey = bitmask & BIND_KEY_FLAG,\n          isCurry = bitmask & CURRY_FLAG,\n          isCurryBound = bitmask & CURRY_BOUND_FLAG,\n          isCurryRight = bitmask & CURRY_RIGHT_FLAG,\n          Ctor = isBindKey ? undefined : createCtorWrapper(func);\n\n      function wrapper() {\n        // Avoid `arguments` object use disqualifying optimizations by\n        // converting it to an array before providing it to other functions.\n        var length = arguments.length,\n            index = length,\n            args = Array(length);\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        if (partials) {\n          args = composeArgs(args, partials, holders);\n        }\n        if (partialsRight) {\n          args = composeArgsRight(args, partialsRight, holdersRight);\n        }\n        if (isCurry || isCurryRight) {\n          var placeholder = wrapper.placeholder,\n              argsHolders = replaceHolders(args, placeholder);\n\n          length -= argsHolders.length;\n          if (length < arity) {\n            var newArgPos = argPos ? arrayCopy(argPos) : undefined,\n                newArity = nativeMax(arity - length, 0),\n                newsHolders = isCurry ? argsHolders : undefined,\n                newHoldersRight = isCurry ? undefined : argsHolders,\n                newPartials = isCurry ? args : undefined,\n                newPartialsRight = isCurry ? undefined : args;\n\n            bitmask |= (isCurry ? PARTIAL_FLAG : PARTIAL_RIGHT_FLAG);\n            bitmask &= ~(isCurry ? PARTIAL_RIGHT_FLAG : PARTIAL_FLAG);\n\n            if (!isCurryBound) {\n              bitmask &= ~(BIND_FLAG | BIND_KEY_FLAG);\n            }\n            var newData = [func, bitmask, thisArg, newPartials, newsHolders, newPartialsRight, newHoldersRight, newArgPos, ary, newArity],\n                result = createHybridWrapper.apply(undefined, newData);\n\n            if (isLaziable(func)) {\n              setData(result, newData);\n            }\n            result.placeholder = placeholder;\n            return result;\n          }\n        }\n        var thisBinding = isBind ? thisArg : this,\n            fn = isBindKey ? thisBinding[func] : func;\n\n        if (argPos) {\n          args = reorder(args, argPos);\n        }\n        if (isAry && ary < args.length) {\n          args.length = ary;\n        }\n        if (this && this !== root && this instanceof wrapper) {\n          fn = Ctor || createCtorWrapper(func);\n        }\n        return fn.apply(thisBinding, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates the padding required for `string` based on the given `length`.\n     * The `chars` string is truncated if the number of characters exceeds `length`.\n     *\n     * @private\n     * @param {string} string The string to create padding for.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the pad for `string`.\n     */\n    function createPadding(string, length, chars) {\n      var strLength = string.length;\n      length = +length;\n\n      if (strLength >= length || !nativeIsFinite(length)) {\n        return '';\n      }\n      var padLength = length - strLength;\n      chars = chars == null ? ' ' : (chars + '');\n      return repeat(chars, nativeCeil(padLength / chars.length)).slice(0, padLength);\n    }\n\n    /**\n     * Creates a function that wraps `func` and invokes it with the optional `this`\n     * binding of `thisArg` and the `partials` prepended to those provided to\n     * the wrapper.\n     *\n     * @private\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {number} bitmask The bitmask of flags. See `createWrapper` for more details.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {Array} partials The arguments to prepend to those provided to the new function.\n     * @returns {Function} Returns the new bound function.\n     */\n    function createPartialWrapper(func, bitmask, thisArg, partials) {\n      var isBind = bitmask & BIND_FLAG,\n          Ctor = createCtorWrapper(func);\n\n      function wrapper() {\n        // Avoid `arguments` object use disqualifying optimizations by\n        // converting it to an array before providing it `func`.\n        var argsIndex = -1,\n            argsLength = arguments.length,\n            leftIndex = -1,\n            leftLength = partials.length,\n            args = Array(leftLength + argsLength);\n\n        while (++leftIndex < leftLength) {\n          args[leftIndex] = partials[leftIndex];\n        }\n        while (argsLength--) {\n          args[leftIndex++] = arguments[++argsIndex];\n        }\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return fn.apply(isBind ? thisArg : this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.ceil`, `_.floor`, or `_.round` function.\n     *\n     * @private\n     * @param {string} methodName The name of the `Math` method to use when rounding.\n     * @returns {Function} Returns the new round function.\n     */\n    function createRound(methodName) {\n      var func = Math[methodName];\n      return function(number, precision) {\n        precision = precision === undefined ? 0 : (+precision || 0);\n        if (precision) {\n          precision = pow(10, precision);\n          return func(number * precision) / precision;\n        }\n        return func(number);\n      };\n    }\n\n    /**\n     * Creates a `_.sortedIndex` or `_.sortedLastIndex` function.\n     *\n     * @private\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {Function} Returns the new index function.\n     */\n    function createSortedIndex(retHighest) {\n      return function(array, value, iteratee, thisArg) {\n        var callback = getCallback(iteratee);\n        return (iteratee == null && callback === baseCallback)\n          ? binaryIndex(array, value, retHighest)\n          : binaryIndexBy(array, value, callback(iteratee, thisArg, 1), retHighest);\n      };\n    }\n\n    /**\n     * Creates a function that either curries or invokes `func` with optional\n     * `this` binding and partially applied arguments.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to reference.\n     * @param {number} bitmask The bitmask of flags.\n     *  The bitmask may be composed of the following flags:\n     *     1 - `_.bind`\n     *     2 - `_.bindKey`\n     *     4 - `_.curry` or `_.curryRight` of a bound function\n     *     8 - `_.curry`\n     *    16 - `_.curryRight`\n     *    32 - `_.partial`\n     *    64 - `_.partialRight`\n     *   128 - `_.rearg`\n     *   256 - `_.ary`\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to be partially applied.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createWrapper(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n      var isBindKey = bitmask & BIND_KEY_FLAG;\n      if (!isBindKey && typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var length = partials ? partials.length : 0;\n      if (!length) {\n        bitmask &= ~(PARTIAL_FLAG | PARTIAL_RIGHT_FLAG);\n        partials = holders = undefined;\n      }\n      length -= (holders ? holders.length : 0);\n      if (bitmask & PARTIAL_RIGHT_FLAG) {\n        var partialsRight = partials,\n            holdersRight = holders;\n\n        partials = holders = undefined;\n      }\n      var data = isBindKey ? undefined : getData(func),\n          newData = [func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity];\n\n      if (data) {\n        mergeData(newData, data);\n        bitmask = newData[1];\n        arity = newData[9];\n      }\n      newData[9] = arity == null\n        ? (isBindKey ? 0 : func.length)\n        : (nativeMax(arity - length, 0) || 0);\n\n      if (bitmask == BIND_FLAG) {\n        var result = createBindWrapper(newData[0], newData[2]);\n      } else if ((bitmask == PARTIAL_FLAG || bitmask == (BIND_FLAG | PARTIAL_FLAG)) && !newData[4].length) {\n        result = createPartialWrapper.apply(undefined, newData);\n      } else {\n        result = createHybridWrapper.apply(undefined, newData);\n      }\n      var setter = data ? baseSetData : setData;\n      return setter(result, newData);\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for arrays with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Array} array The array to compare.\n     * @param {Array} other The other array to compare.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Function} [customizer] The function to customize comparing arrays.\n     * @param {boolean} [isLoose] Specify performing partial comparisons.\n     * @param {Array} [stackA] Tracks traversed `value` objects.\n     * @param {Array} [stackB] Tracks traversed `other` objects.\n     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n     */\n    function equalArrays(array, other, equalFunc, customizer, isLoose, stackA, stackB) {\n      var index = -1,\n          arrLength = array.length,\n          othLength = other.length;\n\n      if (arrLength != othLength && !(isLoose && othLength > arrLength)) {\n        return false;\n      }\n      // Ignore non-index properties.\n      while (++index < arrLength) {\n        var arrValue = array[index],\n            othValue = other[index],\n            result = customizer ? customizer(isLoose ? othValue : arrValue, isLoose ? arrValue : othValue, index) : undefined;\n\n        if (result !== undefined) {\n          if (result) {\n            continue;\n          }\n          return false;\n        }\n        // Recursively compare arrays (susceptible to call stack limits).\n        if (isLoose) {\n          if (!arraySome(other, function(othValue) {\n                return arrValue === othValue || equalFunc(arrValue, othValue, customizer, isLoose, stackA, stackB);\n              })) {\n            return false;\n          }\n        } else if (!(arrValue === othValue || equalFunc(arrValue, othValue, customizer, isLoose, stackA, stackB))) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for comparing objects of\n     * the same `toStringTag`.\n     *\n     * **Note:** This function only supports comparing values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {string} tag The `toStringTag` of the objects to compare.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalByTag(object, other, tag) {\n      switch (tag) {\n        case boolTag:\n        case dateTag:\n          // Coerce dates and booleans to numbers, dates to milliseconds and booleans\n          // to `1` or `0` treating invalid dates coerced to `NaN` as not equal.\n          return +object == +other;\n\n        case errorTag:\n          return object.name == other.name && object.message == other.message;\n\n        case numberTag:\n          // Treat `NaN` vs. `NaN` as equal.\n          return (object != +object)\n            ? other != +other\n            : object == +other;\n\n        case regexpTag:\n        case stringTag:\n          // Coerce regexes to strings and treat strings primitives and string\n          // objects as equal. See https://es5.github.io/#x15.10.6.4 for more details.\n          return object == (other + '');\n      }\n      return false;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for objects with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Function} [customizer] The function to customize comparing values.\n     * @param {boolean} [isLoose] Specify performing partial comparisons.\n     * @param {Array} [stackA] Tracks traversed `value` objects.\n     * @param {Array} [stackB] Tracks traversed `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalObjects(object, other, equalFunc, customizer, isLoose, stackA, stackB) {\n      var objProps = keys(object),\n          objLength = objProps.length,\n          othProps = keys(other),\n          othLength = othProps.length;\n\n      if (objLength != othLength && !isLoose) {\n        return false;\n      }\n      var index = objLength;\n      while (index--) {\n        var key = objProps[index];\n        if (!(isLoose ? key in other : hasOwnProperty.call(other, key))) {\n          return false;\n        }\n      }\n      var skipCtor = isLoose;\n      while (++index < objLength) {\n        key = objProps[index];\n        var objValue = object[key],\n            othValue = other[key],\n            result = customizer ? customizer(isLoose ? othValue : objValue, isLoose? objValue : othValue, key) : undefined;\n\n        // Recursively compare objects (susceptible to call stack limits).\n        if (!(result === undefined ? equalFunc(objValue, othValue, customizer, isLoose, stackA, stackB) : result)) {\n          return false;\n        }\n        skipCtor || (skipCtor = key == 'constructor');\n      }\n      if (!skipCtor) {\n        var objCtor = object.constructor,\n            othCtor = other.constructor;\n\n        // Non `Object` object instances with different constructors are not equal.\n        if (objCtor != othCtor &&\n            ('constructor' in object && 'constructor' in other) &&\n            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * Gets the appropriate \"callback\" function. If the `_.callback` method is\n     * customized this function returns the custom method, otherwise it returns\n     * the `baseCallback` function. If arguments are provided the chosen function\n     * is invoked with them and its result is returned.\n     *\n     * @private\n     * @returns {Function} Returns the chosen function or its result.\n     */\n    function getCallback(func, thisArg, argCount) {\n      var result = lodash.callback || callback;\n      result = result === callback ? baseCallback : result;\n      return argCount ? result(func, thisArg, argCount) : result;\n    }\n\n    /**\n     * Gets metadata for `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {*} Returns the metadata for `func`.\n     */\n    var getData = !metaMap ? noop : function(func) {\n      return metaMap.get(func);\n    };\n\n    /**\n     * Gets the name of `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {string} Returns the function name.\n     */\n    function getFuncName(func) {\n      var result = func.name,\n          array = realNames[result],\n          length = array ? array.length : 0;\n\n      while (length--) {\n        var data = array[length],\n            otherFunc = data.func;\n        if (otherFunc == null || otherFunc == func) {\n          return data.name;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Gets the appropriate \"indexOf\" function. If the `_.indexOf` method is\n     * customized this function returns the custom method, otherwise it returns\n     * the `baseIndexOf` function. If arguments are provided the chosen function\n     * is invoked with them and its result is returned.\n     *\n     * @private\n     * @returns {Function|number} Returns the chosen function or its result.\n     */\n    function getIndexOf(collection, target, fromIndex) {\n      var result = lodash.indexOf || indexOf;\n      result = result === indexOf ? baseIndexOf : result;\n      return collection ? result(collection, target, fromIndex) : result;\n    }\n\n    /**\n     * Gets the \"length\" property value of `object`.\n     *\n     * **Note:** This function is used to avoid a [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792)\n     * that affects Safari on at least iOS 8.1-8.3 ARM64.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {*} Returns the \"length\" value.\n     */\n    var getLength = baseProperty('length');\n\n    /**\n     * Gets the propery names, values, and compare flags of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the match data of `object`.\n     */\n    function getMatchData(object) {\n      var result = pairs(object),\n          length = result.length;\n\n      while (length--) {\n        result[length][2] = isStrictComparable(result[length][1]);\n      }\n      return result;\n    }\n\n    /**\n     * Gets the native function at `key` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {string} key The key of the method to get.\n     * @returns {*} Returns the function if it's native, else `undefined`.\n     */\n    function getNative(object, key) {\n      var value = object == null ? undefined : object[key];\n      return isNative(value) ? value : undefined;\n    }\n\n    /**\n     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n     *\n     * @private\n     * @param {number} start The start of the view.\n     * @param {number} end The end of the view.\n     * @param {Array} transforms The transformations to apply to the view.\n     * @returns {Object} Returns an object containing the `start` and `end`\n     *  positions of the view.\n     */\n    function getView(start, end, transforms) {\n      var index = -1,\n          length = transforms.length;\n\n      while (++index < length) {\n        var data = transforms[index],\n            size = data.size;\n\n        switch (data.type) {\n          case 'drop':      start += size; break;\n          case 'dropRight': end -= size; break;\n          case 'take':      end = nativeMin(end, start + size); break;\n          case 'takeRight': start = nativeMax(start, end - size); break;\n        }\n      }\n      return { 'start': start, 'end': end };\n    }\n\n    /**\n     * Initializes an array clone.\n     *\n     * @private\n     * @param {Array} array The array to clone.\n     * @returns {Array} Returns the initialized clone.\n     */\n    function initCloneArray(array) {\n      var length = array.length,\n          result = new array.constructor(length);\n\n      // Add array properties assigned by `RegExp#exec`.\n      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n        result.index = array.index;\n        result.input = array.input;\n      }\n      return result;\n    }\n\n    /**\n     * Initializes an object clone.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneObject(object) {\n      var Ctor = object.constructor;\n      if (!(typeof Ctor == 'function' && Ctor instanceof Ctor)) {\n        Ctor = Object;\n      }\n      return new Ctor;\n    }\n\n    /**\n     * Initializes an object clone based on its `toStringTag`.\n     *\n     * **Note:** This function only supports cloning values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @param {string} tag The `toStringTag` of the object to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneByTag(object, tag, isDeep) {\n      var Ctor = object.constructor;\n      switch (tag) {\n        case arrayBufferTag:\n          return bufferClone(object);\n\n        case boolTag:\n        case dateTag:\n          return new Ctor(+object);\n\n        case float32Tag: case float64Tag:\n        case int8Tag: case int16Tag: case int32Tag:\n        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n          var buffer = object.buffer;\n          return new Ctor(isDeep ? bufferClone(buffer) : buffer, object.byteOffset, object.length);\n\n        case numberTag:\n        case stringTag:\n          return new Ctor(object);\n\n        case regexpTag:\n          var result = new Ctor(object.source, reFlags.exec(object));\n          result.lastIndex = object.lastIndex;\n      }\n      return result;\n    }\n\n    /**\n     * Invokes the method at `path` on `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {Array} args The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     */\n    function invokePath(object, path, args) {\n      if (object != null && !isKey(path, object)) {\n        path = toPath(path);\n        object = path.length == 1 ? object : baseGet(object, baseSlice(path, 0, -1));\n        path = last(path);\n      }\n      var func = object == null ? object : object[path];\n      return func == null ? undefined : func.apply(object, args);\n    }\n\n    /**\n     * Checks if `value` is array-like.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n     */\n    function isArrayLike(value) {\n      return value != null && isLength(getLength(value));\n    }\n\n    /**\n     * Checks if `value` is a valid array-like index.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n     */\n    function isIndex(value, length) {\n      value = (typeof value == 'number' || reIsUint.test(value)) ? +value : -1;\n      length = length == null ? MAX_SAFE_INTEGER : length;\n      return value > -1 && value % 1 == 0 && value < length;\n    }\n\n    /**\n     * Checks if the provided arguments are from an iteratee call.\n     *\n     * @private\n     * @param {*} value The potential iteratee value argument.\n     * @param {*} index The potential iteratee index or key argument.\n     * @param {*} object The potential iteratee object argument.\n     * @returns {boolean} Returns `true` if the arguments are from an iteratee call, else `false`.\n     */\n    function isIterateeCall(value, index, object) {\n      if (!isObject(object)) {\n        return false;\n      }\n      var type = typeof index;\n      if (type == 'number'\n          ? (isArrayLike(object) && isIndex(index, object.length))\n          : (type == 'string' && index in object)) {\n        var other = object[index];\n        return value === value ? (value === other) : (other !== other);\n      }\n      return false;\n    }\n\n    /**\n     * Checks if `value` is a property name and not a property path.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n     */\n    function isKey(value, object) {\n      var type = typeof value;\n      if ((type == 'string' && reIsPlainProp.test(value)) || type == 'number') {\n        return true;\n      }\n      if (isArray(value)) {\n        return false;\n      }\n      var result = !reIsDeepProp.test(value);\n      return result || (object != null && value in toObject(object));\n    }\n\n    /**\n     * Checks if `func` has a lazy counterpart.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` has a lazy counterpart, else `false`.\n     */\n    function isLaziable(func) {\n      var funcName = getFuncName(func);\n      if (!(funcName in LazyWrapper.prototype)) {\n        return false;\n      }\n      var other = lodash[funcName];\n      if (func === other) {\n        return true;\n      }\n      var data = getData(other);\n      return !!data && func === data[0];\n    }\n\n    /**\n     * Checks if `value` is a valid array-like length.\n     *\n     * **Note:** This function is based on [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength).\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n     */\n    function isLength(value) {\n      return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` if suitable for strict\n     *  equality comparisons, else `false`.\n     */\n    function isStrictComparable(value) {\n      return value === value && !isObject(value);\n    }\n\n    /**\n     * Merges the function metadata of `source` into `data`.\n     *\n     * Merging metadata reduces the number of wrappers required to invoke a function.\n     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n     * may be applied regardless of execution order. Methods like `_.ary` and `_.rearg`\n     * augment function arguments, making the order in which they are executed important,\n     * preventing the merging of metadata. However, we make an exception for a safe\n     * common case where curried functions have `_.ary` and or `_.rearg` applied.\n     *\n     * @private\n     * @param {Array} data The destination metadata.\n     * @param {Array} source The source metadata.\n     * @returns {Array} Returns `data`.\n     */\n    function mergeData(data, source) {\n      var bitmask = data[1],\n          srcBitmask = source[1],\n          newBitmask = bitmask | srcBitmask,\n          isCommon = newBitmask < ARY_FLAG;\n\n      var isCombo =\n        (srcBitmask == ARY_FLAG && bitmask == CURRY_FLAG) ||\n        (srcBitmask == ARY_FLAG && bitmask == REARG_FLAG && data[7].length <= source[8]) ||\n        (srcBitmask == (ARY_FLAG | REARG_FLAG) && bitmask == CURRY_FLAG);\n\n      // Exit early if metadata can't be merged.\n      if (!(isCommon || isCombo)) {\n        return data;\n      }\n      // Use source `thisArg` if available.\n      if (srcBitmask & BIND_FLAG) {\n        data[2] = source[2];\n        // Set when currying a bound function.\n        newBitmask |= (bitmask & BIND_FLAG) ? 0 : CURRY_BOUND_FLAG;\n      }\n      // Compose partial arguments.\n      var value = source[3];\n      if (value) {\n        var partials = data[3];\n        data[3] = partials ? composeArgs(partials, value, source[4]) : arrayCopy(value);\n        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : arrayCopy(source[4]);\n      }\n      // Compose partial right arguments.\n      value = source[5];\n      if (value) {\n        partials = data[5];\n        data[5] = partials ? composeArgsRight(partials, value, source[6]) : arrayCopy(value);\n        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : arrayCopy(source[6]);\n      }\n      // Use source `argPos` if available.\n      value = source[7];\n      if (value) {\n        data[7] = arrayCopy(value);\n      }\n      // Use source `ary` if it's smaller.\n      if (srcBitmask & ARY_FLAG) {\n        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n      }\n      // Use source `arity` if one is not provided.\n      if (data[9] == null) {\n        data[9] = source[9];\n      }\n      // Use source `func` and merge bitmasks.\n      data[0] = source[0];\n      data[1] = newBitmask;\n\n      return data;\n    }\n\n    /**\n     * Used by `_.defaultsDeep` to customize its `_.merge` use.\n     *\n     * @private\n     * @param {*} objectValue The destination object property value.\n     * @param {*} sourceValue The source object property value.\n     * @returns {*} Returns the value to assign to the destination object.\n     */\n    function mergeDefaults(objectValue, sourceValue) {\n      return objectValue === undefined ? sourceValue : merge(objectValue, sourceValue, mergeDefaults);\n    }\n\n    /**\n     * A specialized version of `_.pick` which picks `object` properties specified\n     * by `props`.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} props The property names to pick.\n     * @returns {Object} Returns the new object.\n     */\n    function pickByArray(object, props) {\n      object = toObject(object);\n\n      var index = -1,\n          length = props.length,\n          result = {};\n\n      while (++index < length) {\n        var key = props[index];\n        if (key in object) {\n          result[key] = object[key];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `_.pick` which picks `object` properties `predicate`\n     * returns truthy for.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {Object} Returns the new object.\n     */\n    function pickByCallback(object, predicate) {\n      var result = {};\n      baseForIn(object, function(value, key, object) {\n        if (predicate(value, key, object)) {\n          result[key] = value;\n        }\n      });\n      return result;\n    }\n\n    /**\n     * Reorder `array` according to the specified indexes where the element at\n     * the first index is assigned as the first element, the element at\n     * the second index is assigned as the second element, and so on.\n     *\n     * @private\n     * @param {Array} array The array to reorder.\n     * @param {Array} indexes The arranged array indexes.\n     * @returns {Array} Returns `array`.\n     */\n    function reorder(array, indexes) {\n      var arrLength = array.length,\n          length = nativeMin(indexes.length, arrLength),\n          oldArray = arrayCopy(array);\n\n      while (length--) {\n        var index = indexes[length];\n        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n      }\n      return array;\n    }\n\n    /**\n     * Sets metadata for `func`.\n     *\n     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n     * period of time, it will trip its breaker and transition to an identity function\n     * to avoid garbage collection pauses in V8. See [V8 issue 2070](https://code.google.com/p/v8/issues/detail?id=2070)\n     * for more details.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var setData = (function() {\n      var count = 0,\n          lastCalled = 0;\n\n      return function(key, value) {\n        var stamp = now(),\n            remaining = HOT_SPAN - (stamp - lastCalled);\n\n        lastCalled = stamp;\n        if (remaining > 0) {\n          if (++count >= HOT_COUNT) {\n            return key;\n          }\n        } else {\n          count = 0;\n        }\n        return baseSetData(key, value);\n      };\n    }());\n\n    /**\n     * A fallback implementation of `Object.keys` which creates an array of the\n     * own enumerable property names of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function shimKeys(object) {\n      var props = keysIn(object),\n          propsLength = props.length,\n          length = propsLength && object.length;\n\n      var allowIndexes = !!length && isLength(length) &&\n        (isArray(object) || isArguments(object));\n\n      var index = -1,\n          result = [];\n\n      while (++index < propsLength) {\n        var key = props[index];\n        if ((allowIndexes && isIndex(key, length)) || hasOwnProperty.call(object, key)) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to an array-like object if it's not one.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {Array|Object} Returns the array-like object.\n     */\n    function toIterable(value) {\n      if (value == null) {\n        return [];\n      }\n      if (!isArrayLike(value)) {\n        return values(value);\n      }\n      return isObject(value) ? value : Object(value);\n    }\n\n    /**\n     * Converts `value` to an object if it's not one.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {Object} Returns the object.\n     */\n    function toObject(value) {\n      return isObject(value) ? value : Object(value);\n    }\n\n    /**\n     * Converts `value` to property path array if it's not one.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {Array} Returns the property path array.\n     */\n    function toPath(value) {\n      if (isArray(value)) {\n        return value;\n      }\n      var result = [];\n      baseToString(value).replace(rePropName, function(match, number, quote, string) {\n        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n      });\n      return result;\n    }\n\n    /**\n     * Creates a clone of `wrapper`.\n     *\n     * @private\n     * @param {Object} wrapper The wrapper to clone.\n     * @returns {Object} Returns the cloned wrapper.\n     */\n    function wrapperClone(wrapper) {\n      return wrapper instanceof LazyWrapper\n        ? wrapper.clone()\n        : new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__, arrayCopy(wrapper.__actions__));\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of elements split into groups the length of `size`.\n     * If `collection` can't be split evenly, the final chunk will be the remaining\n     * elements.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to process.\n     * @param {number} [size=1] The length of each chunk.\n     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.\n     * @returns {Array} Returns the new array containing chunks.\n     * @example\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 2);\n     * // => [['a', 'b'], ['c', 'd']]\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 3);\n     * // => [['a', 'b', 'c'], ['d']]\n     */\n    function chunk(array, size, guard) {\n      if (guard ? isIterateeCall(array, size, guard) : size == null) {\n        size = 1;\n      } else {\n        size = nativeMax(nativeFloor(size) || 1, 1);\n      }\n      var index = 0,\n          length = array ? array.length : 0,\n          resIndex = -1,\n          result = Array(nativeCeil(length / size));\n\n      while (index < length) {\n        result[++resIndex] = baseSlice(array, index, (index += size));\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array with all falsey values removed. The values `false`, `null`,\n     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to compact.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.compact([0, 1, false, 2, '', 3]);\n     * // => [1, 2, 3]\n     */\n    function compact(array) {\n      var index = -1,\n          length = array ? array.length : 0,\n          resIndex = -1,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index];\n        if (value) {\n          result[++resIndex] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array of unique `array` values not included in the other\n     * provided arrays using [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The arrays of values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.difference([1, 2, 3], [4, 2]);\n     * // => [1, 3]\n     */\n    var difference = restParam(function(array, values) {\n      return (isObjectLike(array) && isArrayLike(array))\n        ? baseDifference(array, baseFlatten(values, false, true))\n        : [];\n    });\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.drop([1, 2, 3]);\n     * // => [2, 3]\n     *\n     * _.drop([1, 2, 3], 2);\n     * // => [3]\n     *\n     * _.drop([1, 2, 3], 5);\n     * // => []\n     *\n     * _.drop([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function drop(array, n, guard) {\n      var length = array ? array.length : 0;\n      if (!length) {\n        return [];\n      }\n      if (guard ? isIterateeCall(array, n, guard) : n == null) {\n        n = 1;\n      }\n      return baseSlice(array, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the end.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.dropRight([1, 2, 3]);\n     * // => [1, 2]\n     *\n     * _.dropRight([1, 2, 3], 2);\n     * // => [1]\n     *\n     * _.dropRight([1, 2, 3], 5);\n     * // => []\n     *\n     * _.dropRight([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function dropRight(array, n, guard) {\n      var length = array ? array.length : 0;\n      if (!length) {\n        return [];\n      }\n      if (guard ? isIterateeCall(array, n, guard) : n == null) {\n        n = 1;\n      }\n      n = length - (+n || 0);\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the end.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * bound to `thisArg` and invoked with three arguments: (value, index, array).\n     *\n     * If a property name is provided for `predicate` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `predicate` the created `_.matches` style\n     * callback returns `true` for elements that match the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function|Object|string} [predicate=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `predicate`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.dropRightWhile([1, 2, 3], function(n) {\n     *   return n > 1;\n     * });\n     * // => [1]\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * // using the `_.matches` callback shorthand\n     * _.pluck(_.dropRightWhile(users, { 'user': 'pebbles', 'active': false }), 'user');\n     * // => ['barney', 'fred']\n     *\n     * // using the `_.matchesProperty` callback shorthand\n     * _.pluck(_.dropRightWhile(users, 'active', false), 'user');\n     * // => ['barney']\n     *\n     * // using the `_.property` callback shorthand\n     * _.pluck(_.dropRightWhile(users, 'active'), 'user');\n     * // => ['barney', 'fred', 'pebbles']\n     */\n    function dropRightWhile(array, predicate, thisArg) {\n      return (array && array.length)\n        ? baseWhile(array, getCallback(predicate, thisArg, 3), true, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the beginning.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * bound to `thisArg` and invoked with three arguments: (value, index, array).\n     *\n     * If a property name is provided for `predicate` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `predicate` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function|Object|string} [predicate=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `predicate`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.dropWhile([1, 2, 3], function(n) {\n     *   return n < 3;\n     * });\n     * // => [3]\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * // using the `_.matches` callback shorthand\n     * _.pluck(_.dropWhile(users, { 'user': 'barney', 'active': false }), 'user');\n     * // => ['fred', 'pebbles']\n     *\n     * // using the `_.matchesProperty` callback shorthand\n     * _.pluck(_.dropWhile(users, 'active', false), 'user');\n     * // => ['pebbles']\n     *\n     * // using the `_.property` callback shorthand\n     * _.pluck(_.dropWhile(users, 'active'), 'user');\n     * // => ['barney', 'fred', 'pebbles']\n     */\n    function dropWhile(array, predicate, thisArg) {\n      return (array && array.length)\n        ? baseWhile(array, getCallback(predicate, thisArg, 3), true)\n        : [];\n    }\n\n    /**\n     * Fills elements of `array` with `value` from `start` up to, but not\n     * including, `end`.\n     *\n     * **Note:** This method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.fill(array, 'a');\n     * console.log(array);\n     * // => ['a', 'a', 'a']\n     *\n     * _.fill(Array(3), 2);\n     * // => [2, 2, 2]\n     *\n     * _.fill([4, 6, 8], '*', 1, 2);\n     * // => [4, '*', 8]\n     */\n    function fill(array, value, start, end) {\n      var length = array ? array.length : 0;\n      if (!length) {\n        return [];\n      }\n      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n        start = 0;\n        end = length;\n      }\n      return baseFill(array, value, start, end);\n    }\n\n    /**\n     * This method is like `_.find` except that it returns the index of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * If a property name is provided for `predicate` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `predicate` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to search.\n     * @param {Function|Object|string} [predicate=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `predicate`.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.findIndex(users, function(chr) {\n     *   return chr.user == 'barney';\n     * });\n     * // => 0\n     *\n     * // using the `_.matches` callback shorthand\n     * _.findIndex(users, { 'user': 'fred', 'active': false });\n     * // => 1\n     *\n     * // using the `_.matchesProperty` callback shorthand\n     * _.findIndex(users, 'active', false);\n     * // => 0\n     *\n     * // using the `_.property` callback shorthand\n     * _.findIndex(users, 'active');\n     * // => 2\n     */\n    var findIndex = createFindIndex();\n\n    /**\n     * This method is like `_.findIndex` except that it iterates over elements\n     * of `collection` from right to left.\n     *\n     * If a property name is provided for `predicate` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `predicate` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to search.\n     * @param {Function|Object|string} [predicate=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `predicate`.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.findLastIndex(users, function(chr) {\n     *   return chr.user == 'pebbles';\n     * });\n     * // => 2\n     *\n     * // using the `_.matches` callback shorthand\n     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n     * // => 0\n     *\n     * // using the `_.matchesProperty` callback shorthand\n     * _.findLastIndex(users, 'active', false);\n     * // => 2\n     *\n     * // using the `_.property` callback shorthand\n     * _.findLastIndex(users, 'active');\n     * // => 0\n     */\n    var findLastIndex = createFindIndex(true);\n\n    /**\n     * Gets the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @alias head\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the first element of `array`.\n     * @example\n     *\n     * _.first([1, 2, 3]);\n     * // => 1\n     *\n     * _.first([]);\n     * // => undefined\n     */\n    function first(array) {\n      return array ? array[0] : undefined;\n    }\n\n    /**\n     * Flattens a nested array. If `isDeep` is `true` the array is recursively\n     * flattened, otherwise it is only flattened a single level.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @param {boolean} [isDeep] Specify a deep flatten.\n     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flatten([1, [2, 3, [4]]]);\n     * // => [1, 2, 3, [4]]\n     *\n     * // using `isDeep`\n     * _.flatten([1, [2, 3, [4]]], true);\n     * // => [1, 2, 3, 4]\n     */\n    function flatten(array, isDeep, guard) {\n      var length = array ? array.length : 0;\n      if (guard && isIterateeCall(array, isDeep, guard)) {\n        isDeep = false;\n      }\n      return length ? baseFlatten(array, isDeep) : [];\n    }\n\n    /**\n     * Recursively flattens a nested array.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to recursively flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flattenDeep([1, [2, 3, [4]]]);\n     * // => [1, 2, 3, 4]\n     */\n    function flattenDeep(array) {\n      var length = array ? array.length : 0;\n      return length ? baseFlatten(array, true) : [];\n    }\n\n    /**\n     * Gets the index at which the first occurrence of `value` is found in `array`\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)\n     * for equality comparisons. If `fromIndex` is negative, it is used as the offset\n     * from the end of `array`. If `array` is sorted providing `true` for `fromIndex`\n     * performs a faster binary search.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to search.\n     * @param {*} value The value to search for.\n     * @param {boolean|number} [fromIndex=0] The index to search from or `true`\n     *  to perform a binary search on a sorted array.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.indexOf([1, 2, 1, 2], 2);\n     * // => 1\n     *\n     * // using `fromIndex`\n     * _.indexOf([1, 2, 1, 2], 2, 2);\n     * // => 3\n     *\n     * // performing a binary search\n     * _.indexOf([1, 1, 2, 2], 2, true);\n     * // => 2\n     */\n    function indexOf(array, value, fromIndex) {\n      var length = array ? array.length : 0;\n      if (!length) {\n        return -1;\n      }\n      if (typeof fromIndex == 'number') {\n        fromIndex = fromIndex < 0 ? nativeMax(length + fromIndex, 0) : fromIndex;\n      } else if (fromIndex) {\n        var index = binaryIndex(array, value);\n        if (index < length &&\n            (value === value ? (value === array[index]) : (array[index] !== array[index]))) {\n          return index;\n        }\n        return -1;\n      }\n      return baseIndexOf(array, value, fromIndex || 0);\n    }\n\n    /**\n     * Gets all but the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.initial([1, 2, 3]);\n     * // => [1, 2]\n     */\n    function initial(array) {\n      return dropRight(array, 1);\n    }\n\n    /**\n     * Creates an array of unique values that are included in all of the provided\n     * arrays using [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of shared values.\n     * @example\n     * _.intersection([1, 2], [4, 2], [2, 1]);\n     * // => [2]\n     */\n    var intersection = restParam(function(arrays) {\n      var othLength = arrays.length,\n          othIndex = othLength,\n          caches = Array(length),\n          indexOf = getIndexOf(),\n          isCommon = indexOf == baseIndexOf,\n          result = [];\n\n      while (othIndex--) {\n        var value = arrays[othIndex] = isArrayLike(value = arrays[othIndex]) ? value : [];\n        caches[othIndex] = (isCommon && value.length >= 120) ? createCache(othIndex && value) : null;\n      }\n      var array = arrays[0],\n          index = -1,\n          length = array ? array.length : 0,\n          seen = caches[0];\n\n      outer:\n      while (++index < length) {\n        value = array[index];\n        if ((seen ? cacheIndexOf(seen, value) : indexOf(result, value, 0)) < 0) {\n          var othIndex = othLength;\n          while (--othIndex) {\n            var cache = caches[othIndex];\n            if ((cache ? cacheIndexOf(cache, value) : indexOf(arrays[othIndex], value, 0)) < 0) {\n              continue outer;\n            }\n          }\n          if (seen) {\n            seen.push(value);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    });\n\n    /**\n     * Gets the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the last element of `array`.\n     * @example\n     *\n     * _.last([1, 2, 3]);\n     * // => 3\n     */\n    function last(array) {\n      var length = array ? array.length : 0;\n      return length ? array[length - 1] : undefined;\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it iterates over elements of\n     * `array` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to search.\n     * @param {*} value The value to search for.\n     * @param {boolean|number} [fromIndex=array.length-1] The index to search from\n     *  or `true` to perform a binary search on a sorted array.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.lastIndexOf([1, 2, 1, 2], 2);\n     * // => 3\n     *\n     * // using `fromIndex`\n     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n     * // => 1\n     *\n     * // performing a binary search\n     * _.lastIndexOf([1, 1, 2, 2], 2, true);\n     * // => 3\n     */\n    function lastIndexOf(array, value, fromIndex) {\n      var length = array ? array.length : 0;\n      if (!length) {\n        return -1;\n      }\n      var index = length;\n      if (typeof fromIndex == 'number') {\n        index = (fromIndex < 0 ? nativeMax(length + fromIndex, 0) : nativeMin(fromIndex || 0, length - 1)) + 1;\n      } else if (fromIndex) {\n        index = binaryIndex(array, value, true) - 1;\n        var other = array[index];\n        if (value === value ? (value === other) : (other !== other)) {\n          return index;\n        }\n        return -1;\n      }\n      if (value !== value) {\n        return indexOfNaN(array, index, true);\n      }\n      while (index--) {\n        if (array[index] === value) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * Removes all provided values from `array` using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.without`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...*} [values] The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3, 1, 2, 3];\n     *\n     * _.pull(array, 2, 3);\n     * console.log(array);\n     * // => [1, 1]\n     */\n    function pull() {\n      var args = arguments,\n          array = args[0];\n\n      if (!(array && array.length)) {\n        return array;\n      }\n      var index = 0,\n          indexOf = getIndexOf(),\n          length = args.length;\n\n      while (++index < length) {\n        var fromIndex = 0,\n            value = args[index];\n\n        while ((fromIndex = indexOf(array, value, fromIndex)) > -1) {\n          splice.call(array, fromIndex, 1);\n        }\n      }\n      return array;\n    }\n\n    /**\n     * Removes elements from `array` corresponding to the given indexes and returns\n     * an array of the removed elements. Indexes may be specified as an array of\n     * indexes or as individual arguments.\n     *\n     * **Note:** Unlike `_.at`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...(number|number[])} [indexes] The indexes of elements to remove,\n     *  specified as individual indexes or arrays of indexes.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = [5, 10, 15, 20];\n     * var evens = _.pullAt(array, 1, 3);\n     *\n     * console.log(array);\n     * // => [5, 15]\n     *\n     * console.log(evens);\n     * // => [10, 20]\n     */\n    var pullAt = restParam(function(array, indexes) {\n      indexes = baseFlatten(indexes);\n\n      var result = baseAt(array, indexes);\n      basePullAt(array, indexes.sort(baseCompareAscending));\n      return result;\n    });\n\n    /**\n     * Removes all elements from `array` that `predicate` returns truthy for\n     * and returns an array of the removed elements. The predicate is bound to\n     * `thisArg` and invoked with three arguments: (value, index, array).\n     *\n     * If a property name is provided for `predicate` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `predicate` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * **Note:** Unlike `_.filter`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Function|Object|string} [predicate=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `predicate`.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = [1, 2, 3, 4];\n     * var evens = _.remove(array, function(n) {\n     *   return n % 2 == 0;\n     * });\n     *\n     * console.log(array);\n     * // => [1, 3]\n     *\n     * console.log(evens);\n     * // => [2, 4]\n     */\n    function remove(array, predicate, thisArg) {\n      var result = [];\n      if (!(array && array.length)) {\n        return result;\n      }\n      var index = -1,\n          indexes = [],\n          length = array.length;\n\n      predicate = getCallback(predicate, thisArg, 3);\n      while (++index < length) {\n        var value = array[index];\n        if (predicate(value, index, array)) {\n          result.push(value);\n          indexes.push(index);\n        }\n      }\n      basePullAt(array, indexes);\n      return result;\n    }\n\n    /**\n     * Gets all but the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @alias tail\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.rest([1, 2, 3]);\n     * // => [2, 3]\n     */\n    function rest(array) {\n      return drop(array, 1);\n    }\n\n    /**\n     * Creates a slice of `array` from `start` up to, but not including, `end`.\n     *\n     * **Note:** This method is used instead of `Array#slice` to support node\n     * lists in IE < 9 and to ensure dense arrays are returned.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function slice(array, start, end) {\n      var length = array ? array.length : 0;\n      if (!length) {\n        return [];\n      }\n      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n        start = 0;\n        end = length;\n      }\n      return baseSlice(array, start, end);\n    }\n\n    /**\n     * Uses a binary search to determine the lowest index at which `value` should\n     * be inserted into `array` in order to maintain its sort order. If an iteratee\n     * function is provided it is invoked for `value` and each element of `array`\n     * to compute their sort ranking. The iteratee is bound to `thisArg` and\n     * invoked with one argument; (value).\n     *\n     * If a property name is provided for `iteratee` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `iteratee` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function|Object|string} [iteratee=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedIndex([30, 50], 40);\n     * // => 1\n     *\n     * _.sortedIndex([4, 4, 5, 5], 5);\n     * // => 2\n     *\n     * var dict = { 'data': { 'thirty': 30, 'forty': 40, 'fifty': 50 } };\n     *\n     * // using an iteratee function\n     * _.sortedIndex(['thirty', 'fifty'], 'forty', function(word) {\n     *   return this.data[word];\n     * }, dict);\n     * // => 1\n     *\n     * // using the `_.property` callback shorthand\n     * _.sortedIndex([{ 'x': 30 }, { 'x': 50 }], { 'x': 40 }, 'x');\n     * // => 1\n     */\n    var sortedIndex = createSortedIndex();\n\n    /**\n     * This method is like `_.sortedIndex` except that it returns the highest\n     * index at which `value` should be inserted into `array` in order to\n     * maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function|Object|string} [iteratee=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedLastIndex([4, 4, 5, 5], 5);\n     * // => 4\n     */\n    var sortedLastIndex = createSortedIndex(true);\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.take([1, 2, 3]);\n     * // => [1]\n     *\n     * _.take([1, 2, 3], 2);\n     * // => [1, 2]\n     *\n     * _.take([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.take([1, 2, 3], 0);\n     * // => []\n     */\n    function take(array, n, guard) {\n      var length = array ? array.length : 0;\n      if (!length) {\n        return [];\n      }\n      if (guard ? isIterateeCall(array, n, guard) : n == null) {\n        n = 1;\n      }\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the end.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.takeRight([1, 2, 3]);\n     * // => [3]\n     *\n     * _.takeRight([1, 2, 3], 2);\n     * // => [2, 3]\n     *\n     * _.takeRight([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.takeRight([1, 2, 3], 0);\n     * // => []\n     */\n    function takeRight(array, n, guard) {\n      var length = array ? array.length : 0;\n      if (!length) {\n        return [];\n      }\n      if (guard ? isIterateeCall(array, n, guard) : n == null) {\n        n = 1;\n      }\n      n = length - (+n || 0);\n      return baseSlice(array, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the end. Elements are\n     * taken until `predicate` returns falsey. The predicate is bound to `thisArg`\n     * and invoked with three arguments: (value, index, array).\n     *\n     * If a property name is provided for `predicate` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `predicate` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function|Object|string} [predicate=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `predicate`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.takeRightWhile([1, 2, 3], function(n) {\n     *   return n > 1;\n     * });\n     * // => [2, 3]\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * // using the `_.matches` callback shorthand\n     * _.pluck(_.takeRightWhile(users, { 'user': 'pebbles', 'active': false }), 'user');\n     * // => ['pebbles']\n     *\n     * // using the `_.matchesProperty` callback shorthand\n     * _.pluck(_.takeRightWhile(users, 'active', false), 'user');\n     * // => ['fred', 'pebbles']\n     *\n     * // using the `_.property` callback shorthand\n     * _.pluck(_.takeRightWhile(users, 'active'), 'user');\n     * // => []\n     */\n    function takeRightWhile(array, predicate, thisArg) {\n      return (array && array.length)\n        ? baseWhile(array, getCallback(predicate, thisArg, 3), false, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the beginning. Elements\n     * are taken until `predicate` returns falsey. The predicate is bound to\n     * `thisArg` and invoked with three arguments: (value, index, array).\n     *\n     * If a property name is provided for `predicate` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `predicate` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function|Object|string} [predicate=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `predicate`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.takeWhile([1, 2, 3], function(n) {\n     *   return n < 3;\n     * });\n     * // => [1, 2]\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false},\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * // using the `_.matches` callback shorthand\n     * _.pluck(_.takeWhile(users, { 'user': 'barney', 'active': false }), 'user');\n     * // => ['barney']\n     *\n     * // using the `_.matchesProperty` callback shorthand\n     * _.pluck(_.takeWhile(users, 'active', false), 'user');\n     * // => ['barney', 'fred']\n     *\n     * // using the `_.property` callback shorthand\n     * _.pluck(_.takeWhile(users, 'active'), 'user');\n     * // => []\n     */\n    function takeWhile(array, predicate, thisArg) {\n      return (array && array.length)\n        ? baseWhile(array, getCallback(predicate, thisArg, 3))\n        : [];\n    }\n\n    /**\n     * Creates an array of unique values, in order, from all of the provided arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.union([1, 2], [4, 2], [2, 1]);\n     * // => [1, 2, 4]\n     */\n    var union = restParam(function(arrays) {\n      return baseUniq(baseFlatten(arrays, false, true));\n    });\n\n    /**\n     * Creates a duplicate-free version of an array, using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)\n     * for equality comparisons, in which only the first occurence of each element\n     * is kept. Providing `true` for `isSorted` performs a faster search algorithm\n     * for sorted arrays. If an iteratee function is provided it is invoked for\n     * each element in the array to generate the criterion by which uniqueness\n     * is computed. The `iteratee` is bound to `thisArg` and invoked with three\n     * arguments: (value, index, array).\n     *\n     * If a property name is provided for `iteratee` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `iteratee` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @alias unique\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {boolean} [isSorted] Specify the array is sorted.\n     * @param {Function|Object|string} [iteratee] The function invoked per iteration.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {Array} Returns the new duplicate-value-free array.\n     * @example\n     *\n     * _.uniq([2, 1, 2]);\n     * // => [2, 1]\n     *\n     * // using `isSorted`\n     * _.uniq([1, 1, 2], true);\n     * // => [1, 2]\n     *\n     * // using an iteratee function\n     * _.uniq([1, 2.5, 1.5, 2], function(n) {\n     *   return this.floor(n);\n     * }, Math);\n     * // => [1, 2.5]\n     *\n     * // using the `_.property` callback shorthand\n     * _.uniq([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    function uniq(array, isSorted, iteratee, thisArg) {\n      var length = array ? array.length : 0;\n      if (!length) {\n        return [];\n      }\n      if (isSorted != null && typeof isSorted != 'boolean') {\n        thisArg = iteratee;\n        iteratee = isIterateeCall(array, isSorted, thisArg) ? undefined : isSorted;\n        isSorted = false;\n      }\n      var callback = getCallback();\n      if (!(iteratee == null && callback === baseCallback)) {\n        iteratee = callback(iteratee, thisArg, 3);\n      }\n      return (isSorted && getIndexOf() == baseIndexOf)\n        ? sortedUniq(array, iteratee)\n        : baseUniq(array, iteratee);\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts an array of grouped\n     * elements and creates an array regrouping the elements to their pre-zip\n     * configuration.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip(['fred', 'barney'], [30, 40], [true, false]);\n     * // => [['fred', 30, true], ['barney', 40, false]]\n     *\n     * _.unzip(zipped);\n     * // => [['fred', 'barney'], [30, 40], [true, false]]\n     */\n    function unzip(array) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var index = -1,\n          length = 0;\n\n      array = arrayFilter(array, function(group) {\n        if (isArrayLike(group)) {\n          length = nativeMax(group.length, length);\n          return true;\n        }\n      });\n      var result = Array(length);\n      while (++index < length) {\n        result[index] = arrayMap(array, baseProperty(index));\n      }\n      return result;\n    }\n\n    /**\n     * This method is like `_.unzip` except that it accepts an iteratee to specify\n     * how regrouped values should be combined. The `iteratee` is bound to `thisArg`\n     * and invoked with four arguments: (accumulator, value, index, group).\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @param {Function} [iteratee] The function to combine regrouped values.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n     * // => [[1, 10, 100], [2, 20, 200]]\n     *\n     * _.unzipWith(zipped, _.add);\n     * // => [3, 30, 300]\n     */\n    function unzipWith(array, iteratee, thisArg) {\n      var length = array ? array.length : 0;\n      if (!length) {\n        return [];\n      }\n      var result = unzip(array);\n      if (iteratee == null) {\n        return result;\n      }\n      iteratee = bindCallback(iteratee, thisArg, 4);\n      return arrayMap(result, function(group) {\n        return arrayReduce(group, iteratee, undefined, true);\n      });\n    }\n\n    /**\n     * Creates an array excluding all provided values using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {Array} array The array to filter.\n     * @param {...*} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.without([1, 2, 1, 3], 1, 2);\n     * // => [3]\n     */\n    var without = restParam(function(array, values) {\n      return isArrayLike(array)\n        ? baseDifference(array, values)\n        : [];\n    });\n\n    /**\n     * Creates an array of unique values that is the [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n     * of the provided arrays.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of values.\n     * @example\n     *\n     * _.xor([1, 2], [4, 2]);\n     * // => [1, 4]\n     */\n    function xor() {\n      var index = -1,\n          length = arguments.length;\n\n      while (++index < length) {\n        var array = arguments[index];\n        if (isArrayLike(array)) {\n          var result = result\n            ? arrayPush(baseDifference(result, array), baseDifference(array, result))\n            : array;\n        }\n      }\n      return result ? baseUniq(result) : [];\n    }\n\n    /**\n     * Creates an array of grouped elements, the first of which contains the first\n     * elements of the given arrays, the second of which contains the second elements\n     * of the given arrays, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zip(['fred', 'barney'], [30, 40], [true, false]);\n     * // => [['fred', 30, true], ['barney', 40, false]]\n     */\n    var zip = restParam(unzip);\n\n    /**\n     * The inverse of `_.pairs`; this method returns an object composed from arrays\n     * of property names and values. Provide either a single two dimensional array,\n     * e.g. `[[key1, value1], [key2, value2]]` or two arrays, one of property names\n     * and one of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @alias object\n     * @category Array\n     * @param {Array} props The property names.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObject([['fred', 30], ['barney', 40]]);\n     * // => { 'fred': 30, 'barney': 40 }\n     *\n     * _.zipObject(['fred', 'barney'], [30, 40]);\n     * // => { 'fred': 30, 'barney': 40 }\n     */\n    function zipObject(props, values) {\n      var index = -1,\n          length = props ? props.length : 0,\n          result = {};\n\n      if (length && !values && !isArray(props[0])) {\n        values = [];\n      }\n      while (++index < length) {\n        var key = props[index];\n        if (values) {\n          result[key] = values[index];\n        } else if (key) {\n          result[key[0]] = key[1];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts an iteratee to specify\n     * how grouped values should be combined. The `iteratee` is bound to `thisArg`\n     * and invoked with four arguments: (accumulator, value, index, group).\n     *\n     * @static\n     * @memberOf _\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @param {Function} [iteratee] The function to combine grouped values.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zipWith([1, 2], [10, 20], [100, 200], _.add);\n     * // => [111, 222]\n     */\n    var zipWith = restParam(function(arrays) {\n      var length = arrays.length,\n          iteratee = length > 2 ? arrays[length - 2] : undefined,\n          thisArg = length > 1 ? arrays[length - 1] : undefined;\n\n      if (length > 2 && typeof iteratee == 'function') {\n        length -= 2;\n      } else {\n        iteratee = (length > 1 && typeof thisArg == 'function') ? (--length, thisArg) : undefined;\n        thisArg = undefined;\n      }\n      arrays.length = length;\n      return unzipWith(arrays, iteratee, thisArg);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` object that wraps `value` with explicit method\n     * chaining enabled.\n     *\n     * @static\n     * @memberOf _\n     * @category Chain\n     * @param {*} value The value to wrap.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36 },\n     *   { 'user': 'fred',    'age': 40 },\n     *   { 'user': 'pebbles', 'age': 1 }\n     * ];\n     *\n     * var youngest = _.chain(users)\n     *   .sortBy('age')\n     *   .map(function(chr) {\n     *     return chr.user + ' is ' + chr.age;\n     *   })\n     *   .first()\n     *   .value();\n     * // => 'pebbles is 1'\n     */\n    function chain(value) {\n      var result = lodash(value);\n      result.__chain__ = true;\n      return result;\n    }\n\n    /**\n     * This method invokes `interceptor` and returns `value`. The interceptor is\n     * bound to `thisArg` and invoked with one argument; (value). The purpose of\n     * this method is to \"tap into\" a method chain in order to perform operations\n     * on intermediate results within the chain.\n     *\n     * @static\n     * @memberOf _\n     * @category Chain\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @param {*} [thisArg] The `this` binding of `interceptor`.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * _([1, 2, 3])\n     *  .tap(function(array) {\n     *    array.pop();\n     *  })\n     *  .reverse()\n     *  .value();\n     * // => [2, 1]\n     */\n    function tap(value, interceptor, thisArg) {\n      interceptor.call(thisArg, value);\n      return value;\n    }\n\n    /**\n     * This method is like `_.tap` except that it returns the result of `interceptor`.\n     *\n     * @static\n     * @memberOf _\n     * @category Chain\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @param {*} [thisArg] The `this` binding of `interceptor`.\n     * @returns {*} Returns the result of `interceptor`.\n     * @example\n     *\n     * _('  abc  ')\n     *  .chain()\n     *  .trim()\n     *  .thru(function(value) {\n     *    return [value];\n     *  })\n     *  .value();\n     * // => ['abc']\n     */\n    function thru(value, interceptor, thisArg) {\n      return interceptor.call(thisArg, value);\n    }\n\n    /**\n     * Enables explicit method chaining on the wrapper object.\n     *\n     * @name chain\n     * @memberOf _\n     * @category Chain\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 }\n     * ];\n     *\n     * // without explicit chaining\n     * _(users).first();\n     * // => { 'user': 'barney', 'age': 36 }\n     *\n     * // with explicit chaining\n     * _(users).chain()\n     *   .first()\n     *   .pick('user')\n     *   .value();\n     * // => { 'user': 'barney' }\n     */\n    function wrapperChain() {\n      return chain(this);\n    }\n\n    /**\n     * Executes the chained sequence and returns the wrapped result.\n     *\n     * @name commit\n     * @memberOf _\n     * @category Chain\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2];\n     * var wrapped = _(array).push(3);\n     *\n     * console.log(array);\n     * // => [1, 2]\n     *\n     * wrapped = wrapped.commit();\n     * console.log(array);\n     * // => [1, 2, 3]\n     *\n     * wrapped.last();\n     * // => 3\n     *\n     * console.log(array);\n     * // => [1, 2, 3]\n     */\n    function wrapperCommit() {\n      return new LodashWrapper(this.value(), this.__chain__);\n    }\n\n    /**\n     * Creates a new array joining a wrapped array with any additional arrays\n     * and/or values.\n     *\n     * @name concat\n     * @memberOf _\n     * @category Chain\n     * @param {...*} [values] The values to concatenate.\n     * @returns {Array} Returns the new concatenated array.\n     * @example\n     *\n     * var array = [1];\n     * var wrapped = _(array).concat(2, [3], [[4]]);\n     *\n     * console.log(wrapped.value());\n     * // => [1, 2, 3, [4]]\n     *\n     * console.log(array);\n     * // => [1]\n     */\n    var wrapperConcat = restParam(function(values) {\n      values = baseFlatten(values);\n      return this.thru(function(array) {\n        return arrayConcat(isArray(array) ? array : [toObject(array)], values);\n      });\n    });\n\n    /**\n     * Creates a clone of the chained sequence planting `value` as the wrapped value.\n     *\n     * @name plant\n     * @memberOf _\n     * @category Chain\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2];\n     * var wrapped = _(array).map(function(value) {\n     *   return Math.pow(value, 2);\n     * });\n     *\n     * var other = [3, 4];\n     * var otherWrapped = wrapped.plant(other);\n     *\n     * otherWrapped.value();\n     * // => [9, 16]\n     *\n     * wrapped.value();\n     * // => [1, 4]\n     */\n    function wrapperPlant(value) {\n      var result,\n          parent = this;\n\n      while (parent instanceof baseLodash) {\n        var clone = wrapperClone(parent);\n        if (result) {\n          previous.__wrapped__ = clone;\n        } else {\n          result = clone;\n        }\n        var previous = clone;\n        parent = parent.__wrapped__;\n      }\n      previous.__wrapped__ = value;\n      return result;\n    }\n\n    /**\n     * Reverses the wrapped array so the first element becomes the last, the\n     * second element becomes the second to last, and so on.\n     *\n     * **Note:** This method mutates the wrapped array.\n     *\n     * @name reverse\n     * @memberOf _\n     * @category Chain\n     * @returns {Object} Returns the new reversed `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _(array).reverse().value()\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function wrapperReverse() {\n      var value = this.__wrapped__;\n\n      var interceptor = function(value) {\n        return (wrapped && wrapped.__dir__ < 0) ? value : value.reverse();\n      };\n      if (value instanceof LazyWrapper) {\n        var wrapped = value;\n        if (this.__actions__.length) {\n          wrapped = new LazyWrapper(this);\n        }\n        wrapped = wrapped.reverse();\n        wrapped.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });\n        return new LodashWrapper(wrapped, this.__chain__);\n      }\n      return this.thru(interceptor);\n    }\n\n    /**\n     * Produces the result of coercing the unwrapped value to a string.\n     *\n     * @name toString\n     * @memberOf _\n     * @category Chain\n     * @returns {string} Returns the coerced string value.\n     * @example\n     *\n     * _([1, 2, 3]).toString();\n     * // => '1,2,3'\n     */\n    function wrapperToString() {\n      return (this.value() + '');\n    }\n\n    /**\n     * Executes the chained sequence to extract the unwrapped value.\n     *\n     * @name value\n     * @memberOf _\n     * @alias run, toJSON, valueOf\n     * @category Chain\n     * @returns {*} Returns the resolved unwrapped value.\n     * @example\n     *\n     * _([1, 2, 3]).value();\n     * // => [1, 2, 3]\n     */\n    function wrapperValue() {\n      return baseWrapperValue(this.__wrapped__, this.__actions__);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of elements corresponding to the given keys, or indexes,\n     * of `collection`. Keys may be specified as individual arguments or as arrays\n     * of keys.\n     *\n     * @static\n     * @memberOf _\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {...(number|number[]|string|string[])} [props] The property names\n     *  or indexes of elements to pick, specified individually or in arrays.\n     * @returns {Array} Returns the new array of picked elements.\n     * @example\n     *\n     * _.at(['a', 'b', 'c'], [0, 2]);\n     * // => ['a', 'c']\n     *\n     * _.at(['barney', 'fred', 'pebbles'], 0, 2);\n     * // => ['barney', 'pebbles']\n     */\n    var at = restParam(function(collection, props) {\n      return baseAt(collection, baseFlatten(props));\n    });\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` through `iteratee`. The corresponding value\n     * of each key is the number of times the key was returned by `iteratee`.\n     * The `iteratee` is bound to `thisArg` and invoked with three arguments:\n     * (value, index|key, collection).\n     *\n     * If a property name is provided for `iteratee` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `iteratee` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function|Object|string} [iteratee=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.countBy([4.3, 6.1, 6.4], function(n) {\n     *   return Math.floor(n);\n     * });\n     * // => { '4': 1, '6': 2 }\n     *\n     * _.countBy([4.3, 6.1, 6.4], function(n) {\n     *   return this.floor(n);\n     * }, Math);\n     * // => { '4': 1, '6': 2 }\n     *\n     * _.countBy(['one', 'two', 'three'], 'length');\n     * // => { '3': 2, '5': 1 }\n     */\n    var countBy = createAggregator(function(result, value, key) {\n      hasOwnProperty.call(result, key) ? ++result[key] : (result[key] = 1);\n    });\n\n    /**\n     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n     * The predicate is bound to `thisArg` and invoked with three arguments:\n     * (value, index|key, collection).\n     *\n     * If a property name is provided for `predicate` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `predicate` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @alias all\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function|Object|string} [predicate=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `predicate`.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.every([true, 1, null, 'yes'], Boolean);\n     * // => false\n     *\n     * var users = [\n     *   { 'user': 'barney', 'active': false },\n     *   { 'user': 'fred',   'active': false }\n     * ];\n     *\n     * // using the `_.matches` callback shorthand\n     * _.every(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // using the `_.matchesProperty` callback shorthand\n     * _.every(users, 'active', false);\n     * // => true\n     *\n     * // using the `_.property` callback shorthand\n     * _.every(users, 'active');\n     * // => false\n     */\n    function every(collection, predicate, thisArg) {\n      var func = isArray(collection) ? arrayEvery : baseEvery;\n      if (thisArg && isIterateeCall(collection, predicate, thisArg)) {\n        predicate = undefined;\n      }\n      if (typeof predicate != 'function' || thisArg !== undefined) {\n        predicate = getCallback(predicate, thisArg, 3);\n      }\n      return func(collection, predicate);\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning an array of all elements\n     * `predicate` returns truthy for. The predicate is bound to `thisArg` and\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * If a property name is provided for `predicate` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `predicate` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @alias select\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function|Object|string} [predicate=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `predicate`.\n     * @returns {Array} Returns the new filtered array.\n     * @example\n     *\n     * _.filter([4, 5, 6], function(n) {\n     *   return n % 2 == 0;\n     * });\n     * // => [4, 6]\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // using the `_.matches` callback shorthand\n     * _.pluck(_.filter(users, { 'age': 36, 'active': true }), 'user');\n     * // => ['barney']\n     *\n     * // using the `_.matchesProperty` callback shorthand\n     * _.pluck(_.filter(users, 'active', false), 'user');\n     * // => ['fred']\n     *\n     * // using the `_.property` callback shorthand\n     * _.pluck(_.filter(users, 'active'), 'user');\n     * // => ['barney']\n     */\n    function filter(collection, predicate, thisArg) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      predicate = getCallback(predicate, thisArg, 3);\n      return func(collection, predicate);\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning the first element\n     * `predicate` returns truthy for. The predicate is bound to `thisArg` and\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * If a property name is provided for `predicate` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `predicate` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @alias detect\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to search.\n     * @param {Function|Object|string} [predicate=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `predicate`.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': true },\n     *   { 'user': 'fred',    'age': 40, 'active': false },\n     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n     * ];\n     *\n     * _.result(_.find(users, function(chr) {\n     *   return chr.age < 40;\n     * }), 'user');\n     * // => 'barney'\n     *\n     * // using the `_.matches` callback shorthand\n     * _.result(_.find(users, { 'age': 1, 'active': true }), 'user');\n     * // => 'pebbles'\n     *\n     * // using the `_.matchesProperty` callback shorthand\n     * _.result(_.find(users, 'active', false), 'user');\n     * // => 'fred'\n     *\n     * // using the `_.property` callback shorthand\n     * _.result(_.find(users, 'active'), 'user');\n     * // => 'barney'\n     */\n    var find = createFind(baseEach);\n\n    /**\n     * This method is like `_.find` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to search.\n     * @param {Function|Object|string} [predicate=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `predicate`.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * _.findLast([1, 2, 3, 4], function(n) {\n     *   return n % 2 == 1;\n     * });\n     * // => 3\n     */\n    var findLast = createFind(baseEachRight, true);\n\n    /**\n     * Performs a deep comparison between each element in `collection` and the\n     * source object, returning the first element that has equivalent property\n     * values.\n     *\n     * **Note:** This method supports comparing arrays, booleans, `Date` objects,\n     * numbers, `Object` objects, regexes, and strings. Objects are compared by\n     * their own, not inherited, enumerable properties. For comparing a single\n     * own or inherited property value see `_.matchesProperty`.\n     *\n     * @static\n     * @memberOf _\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to search.\n     * @param {Object} source The object of property values to match.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * _.result(_.findWhere(users, { 'age': 36, 'active': true }), 'user');\n     * // => 'barney'\n     *\n     * _.result(_.findWhere(users, { 'age': 40, 'active': false }), 'user');\n     * // => 'fred'\n     */\n    function findWhere(collection, source) {\n      return find(collection, baseMatches(source));\n    }\n\n    /**\n     * Iterates over elements of `collection` invoking `iteratee` for each element.\n     * The `iteratee` is bound to `thisArg` and invoked with three arguments:\n     * (value, index|key, collection). Iteratee functions may exit iteration early\n     * by explicitly returning `false`.\n     *\n     * **Note:** As with other \"Collections\" methods, objects with a \"length\" property\n     * are iterated like arrays. To avoid this behavior `_.forIn` or `_.forOwn`\n     * may be used for object iteration.\n     *\n     * @static\n     * @memberOf _\n     * @alias each\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {Array|Object|string} Returns `collection`.\n     * @example\n     *\n     * _([1, 2]).forEach(function(n) {\n     *   console.log(n);\n     * }).value();\n     * // => logs each value from left to right and returns the array\n     *\n     * _.forEach({ 'a': 1, 'b': 2 }, function(n, key) {\n     *   console.log(n, key);\n     * });\n     * // => logs each value-key pair and returns the object (iteration order is not guaranteed)\n     */\n    var forEach = createForEach(arrayEach, baseEach);\n\n    /**\n     * This method is like `_.forEach` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @alias eachRight\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {Array|Object|string} Returns `collection`.\n     * @example\n     *\n     * _([1, 2]).forEachRight(function(n) {\n     *   console.log(n);\n     * }).value();\n     * // => logs each value from right to left and returns the array\n     */\n    var forEachRight = createForEach(arrayEachRight, baseEachRight);\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` through `iteratee`. The corresponding value\n     * of each key is an array of the elements responsible for generating the key.\n     * The `iteratee` is bound to `thisArg` and invoked with three arguments:\n     * (value, index|key, collection).\n     *\n     * If a property name is provided for `iteratee` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `iteratee` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function|Object|string} [iteratee=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.groupBy([4.2, 6.1, 6.4], function(n) {\n     *   return Math.floor(n);\n     * });\n     * // => { '4': [4.2], '6': [6.1, 6.4] }\n     *\n     * _.groupBy([4.2, 6.1, 6.4], function(n) {\n     *   return this.floor(n);\n     * }, Math);\n     * // => { '4': [4.2], '6': [6.1, 6.4] }\n     *\n     * // using the `_.property` callback shorthand\n     * _.groupBy(['one', 'two', 'three'], 'length');\n     * // => { '3': ['one', 'two'], '5': ['three'] }\n     */\n    var groupBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        result[key].push(value);\n      } else {\n        result[key] = [value];\n      }\n    });\n\n    /**\n     * Checks if `value` is in `collection` using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)\n     * for equality comparisons. If `fromIndex` is negative, it is used as the offset\n     * from the end of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @alias contains, include\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to search.\n     * @param {*} target The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @param- {Object} [guard] Enables use as a callback for functions like `_.reduce`.\n     * @returns {boolean} Returns `true` if a matching element is found, else `false`.\n     * @example\n     *\n     * _.includes([1, 2, 3], 1);\n     * // => true\n     *\n     * _.includes([1, 2, 3], 1, 2);\n     * // => false\n     *\n     * _.includes({ 'user': 'fred', 'age': 40 }, 'fred');\n     * // => true\n     *\n     * _.includes('pebbles', 'eb');\n     * // => true\n     */\n    function includes(collection, target, fromIndex, guard) {\n      var length = collection ? getLength(collection) : 0;\n      if (!isLength(length)) {\n        collection = values(collection);\n        length = collection.length;\n      }\n      if (typeof fromIndex != 'number' || (guard && isIterateeCall(target, fromIndex, guard))) {\n        fromIndex = 0;\n      } else {\n        fromIndex = fromIndex < 0 ? nativeMax(length + fromIndex, 0) : (fromIndex || 0);\n      }\n      return (typeof collection == 'string' || !isArray(collection) && isString(collection))\n        ? (fromIndex <= length && collection.indexOf(target, fromIndex) > -1)\n        : (!!length && getIndexOf(collection, target, fromIndex) > -1);\n    }\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` through `iteratee`. The corresponding value\n     * of each key is the last element responsible for generating the key. The\n     * iteratee function is bound to `thisArg` and invoked with three arguments:\n     * (value, index|key, collection).\n     *\n     * If a property name is provided for `iteratee` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `iteratee` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function|Object|string} [iteratee=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * var keyData = [\n     *   { 'dir': 'left', 'code': 97 },\n     *   { 'dir': 'right', 'code': 100 }\n     * ];\n     *\n     * _.indexBy(keyData, 'dir');\n     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n     *\n     * _.indexBy(keyData, function(object) {\n     *   return String.fromCharCode(object.code);\n     * });\n     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n     *\n     * _.indexBy(keyData, function(object) {\n     *   return this.fromCharCode(object.code);\n     * }, String);\n     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n     */\n    var indexBy = createAggregator(function(result, value, key) {\n      result[key] = value;\n    });\n\n    /**\n     * Invokes the method at `path` of each element in `collection`, returning\n     * an array of the results of each invoked method. Any additional arguments\n     * are provided to each invoked method. If `methodName` is a function it is\n     * invoked for, and `this` bound to, each element in `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Array|Function|string} path The path of the method to invoke or\n     *  the function invoked per iteration.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.invoke([[5, 1, 7], [3, 2, 1]], 'sort');\n     * // => [[1, 5, 7], [1, 2, 3]]\n     *\n     * _.invoke([123, 456], String.prototype.split, '');\n     * // => [['1', '2', '3'], ['4', '5', '6']]\n     */\n    var invoke = restParam(function(collection, path, args) {\n      var index = -1,\n          isFunc = typeof path == 'function',\n          isProp = isKey(path),\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value) {\n        var func = isFunc ? path : ((isProp && value != null) ? value[path] : undefined);\n        result[++index] = func ? func.apply(value, args) : invokePath(value, path, args);\n      });\n      return result;\n    });\n\n    /**\n     * Creates an array of values by running each element in `collection` through\n     * `iteratee`. The `iteratee` is bound to `thisArg` and invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * If a property name is provided for `iteratee` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `iteratee` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n     *\n     * The guarded methods are:\n     * `ary`, `callback`, `chunk`, `clone`, `create`, `curry`, `curryRight`,\n     * `drop`, `dropRight`, `every`, `fill`, `flatten`, `invert`, `max`, `min`,\n     * `parseInt`, `slice`, `sortBy`, `take`, `takeRight`, `template`, `trim`,\n     * `trimLeft`, `trimRight`, `trunc`, `random`, `range`, `sample`, `some`,\n     * `sum`, `uniq`, and `words`\n     *\n     * @static\n     * @memberOf _\n     * @alias collect\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function|Object|string} [iteratee=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {Array} Returns the new mapped array.\n     * @example\n     *\n     * function timesThree(n) {\n     *   return n * 3;\n     * }\n     *\n     * _.map([1, 2], timesThree);\n     * // => [3, 6]\n     *\n     * _.map({ 'a': 1, 'b': 2 }, timesThree);\n     * // => [3, 6] (iteration order is not guaranteed)\n     *\n     * var users = [\n     *   { 'user': 'barney' },\n     *   { 'user': 'fred' }\n     * ];\n     *\n     * // using the `_.property` callback shorthand\n     * _.map(users, 'user');\n     * // => ['barney', 'fred']\n     */\n    function map(collection, iteratee, thisArg) {\n      var func = isArray(collection) ? arrayMap : baseMap;\n      iteratee = getCallback(iteratee, thisArg, 3);\n      return func(collection, iteratee);\n    }\n\n    /**\n     * Creates an array of elements split into two groups, the first of which\n     * contains elements `predicate` returns truthy for, while the second of which\n     * contains elements `predicate` returns falsey for. The predicate is bound\n     * to `thisArg` and invoked with three arguments: (value, index|key, collection).\n     *\n     * If a property name is provided for `predicate` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `predicate` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function|Object|string} [predicate=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `predicate`.\n     * @returns {Array} Returns the array of grouped elements.\n     * @example\n     *\n     * _.partition([1, 2, 3], function(n) {\n     *   return n % 2;\n     * });\n     * // => [[1, 3], [2]]\n     *\n     * _.partition([1.2, 2.3, 3.4], function(n) {\n     *   return this.floor(n) % 2;\n     * }, Math);\n     * // => [[1.2, 3.4], [2.3]]\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': false },\n     *   { 'user': 'fred',    'age': 40, 'active': true },\n     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n     * ];\n     *\n     * var mapper = function(array) {\n     *   return _.pluck(array, 'user');\n     * };\n     *\n     * // using the `_.matches` callback shorthand\n     * _.map(_.partition(users, { 'age': 1, 'active': false }), mapper);\n     * // => [['pebbles'], ['barney', 'fred']]\n     *\n     * // using the `_.matchesProperty` callback shorthand\n     * _.map(_.partition(users, 'active', false), mapper);\n     * // => [['barney', 'pebbles'], ['fred']]\n     *\n     * // using the `_.property` callback shorthand\n     * _.map(_.partition(users, 'active'), mapper);\n     * // => [['fred'], ['barney', 'pebbles']]\n     */\n    var partition = createAggregator(function(result, value, key) {\n      result[key ? 0 : 1].push(value);\n    }, function() { return [[], []]; });\n\n    /**\n     * Gets the property value of `path` from all elements in `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Array|string} path The path of the property to pluck.\n     * @returns {Array} Returns the property values.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 }\n     * ];\n     *\n     * _.pluck(users, 'user');\n     * // => ['barney', 'fred']\n     *\n     * var userIndex = _.indexBy(users, 'user');\n     * _.pluck(userIndex, 'age');\n     * // => [36, 40] (iteration order is not guaranteed)\n     */\n    function pluck(collection, path) {\n      return map(collection, property(path));\n    }\n\n    /**\n     * Reduces `collection` to a value which is the accumulated result of running\n     * each element in `collection` through `iteratee`, where each successive\n     * invocation is supplied the return value of the previous. If `accumulator`\n     * is not provided the first element of `collection` is used as the initial\n     * value. The `iteratee` is bound to `thisArg` and invoked with four arguments:\n     * (accumulator, value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n     *\n     * The guarded methods are:\n     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `sortByAll`,\n     * and `sortByOrder`\n     *\n     * @static\n     * @memberOf _\n     * @alias foldl, inject\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {*} Returns the accumulated value.\n     * @example\n     *\n     * _.reduce([1, 2], function(total, n) {\n     *   return total + n;\n     * });\n     * // => 3\n     *\n     * _.reduce({ 'a': 1, 'b': 2 }, function(result, n, key) {\n     *   result[key] = n * 3;\n     *   return result;\n     * }, {});\n     * // => { 'a': 3, 'b': 6 } (iteration order is not guaranteed)\n     */\n    var reduce = createReduce(arrayReduce, baseEach);\n\n    /**\n     * This method is like `_.reduce` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @alias foldr\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {*} Returns the accumulated value.\n     * @example\n     *\n     * var array = [[0, 1], [2, 3], [4, 5]];\n     *\n     * _.reduceRight(array, function(flattened, other) {\n     *   return flattened.concat(other);\n     * }, []);\n     * // => [4, 5, 2, 3, 0, 1]\n     */\n    var reduceRight = createReduce(arrayReduceRight, baseEachRight);\n\n    /**\n     * The opposite of `_.filter`; this method returns the elements of `collection`\n     * that `predicate` does **not** return truthy for.\n     *\n     * @static\n     * @memberOf _\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function|Object|string} [predicate=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `predicate`.\n     * @returns {Array} Returns the new filtered array.\n     * @example\n     *\n     * _.reject([1, 2, 3, 4], function(n) {\n     *   return n % 2 == 0;\n     * });\n     * // => [1, 3]\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': true }\n     * ];\n     *\n     * // using the `_.matches` callback shorthand\n     * _.pluck(_.reject(users, { 'age': 40, 'active': true }), 'user');\n     * // => ['barney']\n     *\n     * // using the `_.matchesProperty` callback shorthand\n     * _.pluck(_.reject(users, 'active', false), 'user');\n     * // => ['fred']\n     *\n     * // using the `_.property` callback shorthand\n     * _.pluck(_.reject(users, 'active'), 'user');\n     * // => ['barney']\n     */\n    function reject(collection, predicate, thisArg) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      predicate = getCallback(predicate, thisArg, 3);\n      return func(collection, function(value, index, collection) {\n        return !predicate(value, index, collection);\n      });\n    }\n\n    /**\n     * Gets a random element or `n` random elements from a collection.\n     *\n     * @static\n     * @memberOf _\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to sample.\n     * @param {number} [n] The number of elements to sample.\n     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.\n     * @returns {*} Returns the random sample(s).\n     * @example\n     *\n     * _.sample([1, 2, 3, 4]);\n     * // => 2\n     *\n     * _.sample([1, 2, 3, 4], 2);\n     * // => [3, 1]\n     */\n    function sample(collection, n, guard) {\n      if (guard ? isIterateeCall(collection, n, guard) : n == null) {\n        collection = toIterable(collection);\n        var length = collection.length;\n        return length > 0 ? collection[baseRandom(0, length - 1)] : undefined;\n      }\n      var index = -1,\n          result = toArray(collection),\n          length = result.length,\n          lastIndex = length - 1;\n\n      n = nativeMin(n < 0 ? 0 : (+n || 0), length);\n      while (++index < n) {\n        var rand = baseRandom(index, lastIndex),\n            value = result[rand];\n\n        result[rand] = result[index];\n        result[index] = value;\n      }\n      result.length = n;\n      return result;\n    }\n\n    /**\n     * Creates an array of shuffled values, using a version of the\n     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n     *\n     * @static\n     * @memberOf _\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     * @example\n     *\n     * _.shuffle([1, 2, 3, 4]);\n     * // => [4, 1, 3, 2]\n     */\n    function shuffle(collection) {\n      return sample(collection, POSITIVE_INFINITY);\n    }\n\n    /**\n     * Gets the size of `collection` by returning its length for array-like\n     * values or the number of own enumerable properties for objects.\n     *\n     * @static\n     * @memberOf _\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @returns {number} Returns the size of `collection`.\n     * @example\n     *\n     * _.size([1, 2, 3]);\n     * // => 3\n     *\n     * _.size({ 'a': 1, 'b': 2 });\n     * // => 2\n     *\n     * _.size('pebbles');\n     * // => 7\n     */\n    function size(collection) {\n      var length = collection ? getLength(collection) : 0;\n      return isLength(length) ? length : keys(collection).length;\n    }\n\n    /**\n     * Checks if `predicate` returns truthy for **any** element of `collection`.\n     * The function returns as soon as it finds a passing value and does not iterate\n     * over the entire collection. The predicate is bound to `thisArg` and invoked\n     * with three arguments: (value, index|key, collection).\n     *\n     * If a property name is provided for `predicate` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `predicate` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @alias any\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function|Object|string} [predicate=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `predicate`.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.some([null, 0, 'yes', false], Boolean);\n     * // => true\n     *\n     * var users = [\n     *   { 'user': 'barney', 'active': true },\n     *   { 'user': 'fred',   'active': false }\n     * ];\n     *\n     * // using the `_.matches` callback shorthand\n     * _.some(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // using the `_.matchesProperty` callback shorthand\n     * _.some(users, 'active', false);\n     * // => true\n     *\n     * // using the `_.property` callback shorthand\n     * _.some(users, 'active');\n     * // => true\n     */\n    function some(collection, predicate, thisArg) {\n      var func = isArray(collection) ? arraySome : baseSome;\n      if (thisArg && isIterateeCall(collection, predicate, thisArg)) {\n        predicate = undefined;\n      }\n      if (typeof predicate != 'function' || thisArg !== undefined) {\n        predicate = getCallback(predicate, thisArg, 3);\n      }\n      return func(collection, predicate);\n    }\n\n    /**\n     * Creates an array of elements, sorted in ascending order by the results of\n     * running each element in a collection through `iteratee`. This method performs\n     * a stable sort, that is, it preserves the original sort order of equal elements.\n     * The `iteratee` is bound to `thisArg` and invoked with three arguments:\n     * (value, index|key, collection).\n     *\n     * If a property name is provided for `iteratee` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `iteratee` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function|Object|string} [iteratee=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * _.sortBy([1, 2, 3], function(n) {\n     *   return Math.sin(n);\n     * });\n     * // => [3, 1, 2]\n     *\n     * _.sortBy([1, 2, 3], function(n) {\n     *   return this.sin(n);\n     * }, Math);\n     * // => [3, 1, 2]\n     *\n     * var users = [\n     *   { 'user': 'fred' },\n     *   { 'user': 'pebbles' },\n     *   { 'user': 'barney' }\n     * ];\n     *\n     * // using the `_.property` callback shorthand\n     * _.pluck(_.sortBy(users, 'user'), 'user');\n     * // => ['barney', 'fred', 'pebbles']\n     */\n    function sortBy(collection, iteratee, thisArg) {\n      if (collection == null) {\n        return [];\n      }\n      if (thisArg && isIterateeCall(collection, iteratee, thisArg)) {\n        iteratee = undefined;\n      }\n      var index = -1;\n      iteratee = getCallback(iteratee, thisArg, 3);\n\n      var result = baseMap(collection, function(value, key, collection) {\n        return { 'criteria': iteratee(value, key, collection), 'index': ++index, 'value': value };\n      });\n      return baseSortBy(result, compareAscending);\n    }\n\n    /**\n     * This method is like `_.sortBy` except that it can sort by multiple iteratees\n     * or property names.\n     *\n     * If a property name is provided for an iteratee the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If an object is provided for an iteratee the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {...(Function|Function[]|Object|Object[]|string|string[])} iteratees\n     *  The iteratees to sort by, specified as individual values or arrays of values.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 42 },\n     *   { 'user': 'barney', 'age': 34 }\n     * ];\n     *\n     * _.map(_.sortByAll(users, ['user', 'age']), _.values);\n     * // => [['barney', 34], ['barney', 36], ['fred', 42], ['fred', 48]]\n     *\n     * _.map(_.sortByAll(users, 'user', function(chr) {\n     *   return Math.floor(chr.age / 10);\n     * }), _.values);\n     * // => [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 42]]\n     */\n    var sortByAll = restParam(function(collection, iteratees) {\n      if (collection == null) {\n        return [];\n      }\n      var guard = iteratees[2];\n      if (guard && isIterateeCall(iteratees[0], iteratees[1], guard)) {\n        iteratees.length = 1;\n      }\n      return baseSortByOrder(collection, baseFlatten(iteratees), []);\n    });\n\n    /**\n     * This method is like `_.sortByAll` except that it allows specifying the\n     * sort orders of the iteratees to sort by. If `orders` is unspecified, all\n     * values are sorted in ascending order. Otherwise, a value is sorted in\n     * ascending order if its corresponding order is \"asc\", and descending if \"desc\".\n     *\n     * If a property name is provided for an iteratee the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If an object is provided for an iteratee the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n     * @param {boolean[]} [orders] The sort orders of `iteratees`.\n     * @param- {Object} [guard] Enables use as a callback for functions like `_.reduce`.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 34 },\n     *   { 'user': 'fred',   'age': 42 },\n     *   { 'user': 'barney', 'age': 36 }\n     * ];\n     *\n     * // sort by `user` in ascending order and by `age` in descending order\n     * _.map(_.sortByOrder(users, ['user', 'age'], ['asc', 'desc']), _.values);\n     * // => [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 42]]\n     */\n    function sortByOrder(collection, iteratees, orders, guard) {\n      if (collection == null) {\n        return [];\n      }\n      if (guard && isIterateeCall(iteratees, orders, guard)) {\n        orders = undefined;\n      }\n      if (!isArray(iteratees)) {\n        iteratees = iteratees == null ? [] : [iteratees];\n      }\n      if (!isArray(orders)) {\n        orders = orders == null ? [] : [orders];\n      }\n      return baseSortByOrder(collection, iteratees, orders);\n    }\n\n    /**\n     * Performs a deep comparison between each element in `collection` and the\n     * source object, returning an array of all elements that have equivalent\n     * property values.\n     *\n     * **Note:** This method supports comparing arrays, booleans, `Date` objects,\n     * numbers, `Object` objects, regexes, and strings. Objects are compared by\n     * their own, not inherited, enumerable properties. For comparing a single\n     * own or inherited property value see `_.matchesProperty`.\n     *\n     * @static\n     * @memberOf _\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to search.\n     * @param {Object} source The object of property values to match.\n     * @returns {Array} Returns the new filtered array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false, 'pets': ['hoppy'] },\n     *   { 'user': 'fred',   'age': 40, 'active': true, 'pets': ['baby puss', 'dino'] }\n     * ];\n     *\n     * _.pluck(_.where(users, { 'age': 36, 'active': false }), 'user');\n     * // => ['barney']\n     *\n     * _.pluck(_.where(users, { 'pets': ['dino'] }), 'user');\n     * // => ['fred']\n     */\n    function where(collection, source) {\n      return filter(collection, baseMatches(source));\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Gets the number of milliseconds that have elapsed since the Unix epoch\n     * (1 January 1970 00:00:00 UTC).\n     *\n     * @static\n     * @memberOf _\n     * @category Date\n     * @example\n     *\n     * _.defer(function(stamp) {\n     *   console.log(_.now() - stamp);\n     * }, _.now());\n     * // => logs the number of milliseconds it took for the deferred function to be invoked\n     */\n    var now = nativeNow || function() {\n      return new Date().getTime();\n    };\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The opposite of `_.before`; this method creates a function that invokes\n     * `func` once it is called `n` or more times.\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {number} n The number of calls before `func` is invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var saves = ['profile', 'settings'];\n     *\n     * var done = _.after(saves.length, function() {\n     *   console.log('done saving!');\n     * });\n     *\n     * _.forEach(saves, function(type) {\n     *   asyncSave({ 'type': type, 'complete': done });\n     * });\n     * // => logs 'done saving!' after the two async saves have completed\n     */\n    function after(n, func) {\n      if (typeof func != 'function') {\n        if (typeof n == 'function') {\n          var temp = n;\n          n = func;\n          func = temp;\n        } else {\n          throw new TypeError(FUNC_ERROR_TEXT);\n        }\n      }\n      n = nativeIsFinite(n = +n) ? n : 0;\n      return function() {\n        if (--n < 1) {\n          return func.apply(this, arguments);\n        }\n      };\n    }\n\n    /**\n     * Creates a function that accepts up to `n` arguments ignoring any\n     * additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @param {number} [n=func.length] The arity cap.\n     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n     * // => [6, 8, 10]\n     */\n    function ary(func, n, guard) {\n      if (guard && isIterateeCall(func, n, guard)) {\n        n = undefined;\n      }\n      n = (func && n == null) ? func.length : nativeMax(+n || 0, 0);\n      return createWrapper(func, ARY_FLAG, undefined, undefined, undefined, undefined, n);\n    }\n\n    /**\n     * Creates a function that invokes `func`, with the `this` binding and arguments\n     * of the created function, while it is called less than `n` times. Subsequent\n     * calls to the created function return the result of the last `func` invocation.\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {number} n The number of calls at which `func` is no longer invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * jQuery('#add').on('click', _.before(5, addContactToList));\n     * // => allows adding up to 4 contacts to the list\n     */\n    function before(n, func) {\n      var result;\n      if (typeof func != 'function') {\n        if (typeof n == 'function') {\n          var temp = n;\n          n = func;\n          func = temp;\n        } else {\n          throw new TypeError(FUNC_ERROR_TEXT);\n        }\n      }\n      return function() {\n        if (--n > 0) {\n          result = func.apply(this, arguments);\n        }\n        if (n <= 1) {\n          func = undefined;\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n     * and prepends any additional `_.bind` arguments to those provided to the\n     * bound function.\n     *\n     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** Unlike native `Function#bind` this method does not set the \"length\"\n     * property of bound functions.\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to bind.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * var greet = function(greeting, punctuation) {\n     *   return greeting + ' ' + this.user + punctuation;\n     * };\n     *\n     * var object = { 'user': 'fred' };\n     *\n     * var bound = _.bind(greet, object, 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * // using placeholders\n     * var bound = _.bind(greet, object, _, '!');\n     * bound('hi');\n     * // => 'hi fred!'\n     */\n    var bind = restParam(function(func, thisArg, partials) {\n      var bitmask = BIND_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, bind.placeholder);\n        bitmask |= PARTIAL_FLAG;\n      }\n      return createWrapper(func, bitmask, thisArg, partials, holders);\n    });\n\n    /**\n     * Binds methods of an object to the object itself, overwriting the existing\n     * method. Method names may be specified as individual arguments or as arrays\n     * of method names. If no method names are provided all enumerable function\n     * properties, own and inherited, of `object` are bound.\n     *\n     * **Note:** This method does not set the \"length\" property of bound functions.\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {Object} object The object to bind and assign the bound methods to.\n     * @param {...(string|string[])} [methodNames] The object method names to bind,\n     *  specified as individual method names or arrays of method names.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var view = {\n     *   'label': 'docs',\n     *   'onClick': function() {\n     *     console.log('clicked ' + this.label);\n     *   }\n     * };\n     *\n     * _.bindAll(view);\n     * jQuery('#docs').on('click', view.onClick);\n     * // => logs 'clicked docs' when the element is clicked\n     */\n    var bindAll = restParam(function(object, methodNames) {\n      methodNames = methodNames.length ? baseFlatten(methodNames) : functions(object);\n\n      var index = -1,\n          length = methodNames.length;\n\n      while (++index < length) {\n        var key = methodNames[index];\n        object[key] = createWrapper(object[key], BIND_FLAG, object);\n      }\n      return object;\n    });\n\n    /**\n     * Creates a function that invokes the method at `object[key]` and prepends\n     * any additional `_.bindKey` arguments to those provided to the bound function.\n     *\n     * This method differs from `_.bind` by allowing bound functions to reference\n     * methods that may be redefined or don't yet exist.\n     * See [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n     * for more details.\n     *\n     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {Object} object The object the method belongs to.\n     * @param {string} key The key of the method.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * var object = {\n     *   'user': 'fred',\n     *   'greet': function(greeting, punctuation) {\n     *     return greeting + ' ' + this.user + punctuation;\n     *   }\n     * };\n     *\n     * var bound = _.bindKey(object, 'greet', 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * object.greet = function(greeting, punctuation) {\n     *   return greeting + 'ya ' + this.user + punctuation;\n     * };\n     *\n     * bound('!');\n     * // => 'hiya fred!'\n     *\n     * // using placeholders\n     * var bound = _.bindKey(object, 'greet', _, '!');\n     * bound('hi');\n     * // => 'hiya fred!'\n     */\n    var bindKey = restParam(function(object, key, partials) {\n      var bitmask = BIND_FLAG | BIND_KEY_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, bindKey.placeholder);\n        bitmask |= PARTIAL_FLAG;\n      }\n      return createWrapper(key, bitmask, object, partials, holders);\n    });\n\n    /**\n     * Creates a function that accepts one or more arguments of `func` that when\n     * called either invokes `func` returning its result, if all `func` arguments\n     * have been provided, or returns a function that accepts one or more of the\n     * remaining `func` arguments, and so on. The arity of `func` may be specified\n     * if `func.length` is not sufficient.\n     *\n     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method does not set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curry(abc);\n     *\n     * curried(1)(2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // using placeholders\n     * curried(1)(_, 3)(2);\n     * // => [1, 2, 3]\n     */\n    var curry = createCurry(CURRY_FLAG);\n\n    /**\n     * This method is like `_.curry` except that arguments are applied to `func`\n     * in the manner of `_.partialRight` instead of `_.partial`.\n     *\n     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method does not set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curryRight(abc);\n     *\n     * curried(3)(2)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(2, 3)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // using placeholders\n     * curried(3)(1, _)(2);\n     * // => [1, 2, 3]\n     */\n    var curryRight = createCurry(CURRY_RIGHT_FLAG);\n\n    /**\n     * Creates a debounced function that delays invoking `func` until after `wait`\n     * milliseconds have elapsed since the last time the debounced function was\n     * invoked. The debounced function comes with a `cancel` method to cancel\n     * delayed invocations. Provide an options object to indicate that `func`\n     * should be invoked on the leading and/or trailing edge of the `wait` timeout.\n     * Subsequent calls to the debounced function return the result of the last\n     * `func` invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is invoked\n     * on the trailing edge of the timeout only if the the debounced function is\n     * invoked more than once during the `wait` timeout.\n     *\n     * See [David Corbacho's article](http://drupalmotion.com/article/debounce-and-throttle-visual-explanation)\n     * for details over the differences between `_.debounce` and `_.throttle`.\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to debounce.\n     * @param {number} [wait=0] The number of milliseconds to delay.\n     * @param {Object} [options] The options object.\n     * @param {boolean} [options.leading=false] Specify invoking on the leading\n     *  edge of the timeout.\n     * @param {number} [options.maxWait] The maximum time `func` is allowed to be\n     *  delayed before it is invoked.\n     * @param {boolean} [options.trailing=true] Specify invoking on the trailing\n     *  edge of the timeout.\n     * @returns {Function} Returns the new debounced function.\n     * @example\n     *\n     * // avoid costly calculations while the window size is in flux\n     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n     *\n     * // invoke `sendMail` when the click event is fired, debouncing subsequent calls\n     * jQuery('#postbox').on('click', _.debounce(sendMail, 300, {\n     *   'leading': true,\n     *   'trailing': false\n     * }));\n     *\n     * // ensure `batchLog` is invoked once after 1 second of debounced calls\n     * var source = new EventSource('/stream');\n     * jQuery(source).on('message', _.debounce(batchLog, 250, {\n     *   'maxWait': 1000\n     * }));\n     *\n     * // cancel a debounced call\n     * var todoChanges = _.debounce(batchLog, 1000);\n     * Object.observe(models.todo, todoChanges);\n     *\n     * Object.observe(models, function(changes) {\n     *   if (_.find(changes, { 'user': 'todo', 'type': 'delete'})) {\n     *     todoChanges.cancel();\n     *   }\n     * }, ['delete']);\n     *\n     * // ...at some point `models.todo` is changed\n     * models.todo.completed = true;\n     *\n     * // ...before 1 second has passed `models.todo` is deleted\n     * // which cancels the debounced `todoChanges` call\n     * delete models.todo;\n     */\n    function debounce(func, wait, options) {\n      var args,\n          maxTimeoutId,\n          result,\n          stamp,\n          thisArg,\n          timeoutId,\n          trailingCall,\n          lastCalled = 0,\n          maxWait = false,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      wait = wait < 0 ? 0 : (+wait || 0);\n      if (options === true) {\n        var leading = true;\n        trailing = false;\n      } else if (isObject(options)) {\n        leading = !!options.leading;\n        maxWait = 'maxWait' in options && nativeMax(+options.maxWait || 0, wait);\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n\n      function cancel() {\n        if (timeoutId) {\n          clearTimeout(timeoutId);\n        }\n        if (maxTimeoutId) {\n          clearTimeout(maxTimeoutId);\n        }\n        lastCalled = 0;\n        maxTimeoutId = timeoutId = trailingCall = undefined;\n      }\n\n      function complete(isCalled, id) {\n        if (id) {\n          clearTimeout(id);\n        }\n        maxTimeoutId = timeoutId = trailingCall = undefined;\n        if (isCalled) {\n          lastCalled = now();\n          result = func.apply(thisArg, args);\n          if (!timeoutId && !maxTimeoutId) {\n            args = thisArg = undefined;\n          }\n        }\n      }\n\n      function delayed() {\n        var remaining = wait - (now() - stamp);\n        if (remaining <= 0 || remaining > wait) {\n          complete(trailingCall, maxTimeoutId);\n        } else {\n          timeoutId = setTimeout(delayed, remaining);\n        }\n      }\n\n      function maxDelayed() {\n        complete(trailing, timeoutId);\n      }\n\n      function debounced() {\n        args = arguments;\n        stamp = now();\n        thisArg = this;\n        trailingCall = trailing && (timeoutId || !leading);\n\n        if (maxWait === false) {\n          var leadingCall = leading && !timeoutId;\n        } else {\n          if (!maxTimeoutId && !leading) {\n            lastCalled = stamp;\n          }\n          var remaining = maxWait - (stamp - lastCalled),\n              isCalled = remaining <= 0 || remaining > maxWait;\n\n          if (isCalled) {\n            if (maxTimeoutId) {\n              maxTimeoutId = clearTimeout(maxTimeoutId);\n            }\n            lastCalled = stamp;\n            result = func.apply(thisArg, args);\n          }\n          else if (!maxTimeoutId) {\n            maxTimeoutId = setTimeout(maxDelayed, remaining);\n          }\n        }\n        if (isCalled && timeoutId) {\n          timeoutId = clearTimeout(timeoutId);\n        }\n        else if (!timeoutId && wait !== maxWait) {\n          timeoutId = setTimeout(delayed, wait);\n        }\n        if (leadingCall) {\n          isCalled = true;\n          result = func.apply(thisArg, args);\n        }\n        if (isCalled && !timeoutId && !maxTimeoutId) {\n          args = thisArg = undefined;\n        }\n        return result;\n      }\n      debounced.cancel = cancel;\n      return debounced;\n    }\n\n    /**\n     * Defers invoking the `func` until the current call stack has cleared. Any\n     * additional arguments are provided to `func` when it is invoked.\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to defer.\n     * @param {...*} [args] The arguments to invoke the function with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.defer(function(text) {\n     *   console.log(text);\n     * }, 'deferred');\n     * // logs 'deferred' after one or more milliseconds\n     */\n    var defer = restParam(function(func, args) {\n      return baseDelay(func, 1, args);\n    });\n\n    /**\n     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n     * provided to `func` when it is invoked.\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {...*} [args] The arguments to invoke the function with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.delay(function(text) {\n     *   console.log(text);\n     * }, 1000, 'later');\n     * // => logs 'later' after one second\n     */\n    var delay = restParam(function(func, wait, args) {\n      return baseDelay(func, wait, args);\n    });\n\n    /**\n     * Creates a function that returns the result of invoking the provided\n     * functions with the `this` binding of the created function, where each\n     * successive invocation is supplied the return value of the previous.\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {...Function} [funcs] Functions to invoke.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flow(_.add, square);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flow = createFlow();\n\n    /**\n     * This method is like `_.flow` except that it creates a function that\n     * invokes the provided functions from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @alias backflow, compose\n     * @category Function\n     * @param {...Function} [funcs] Functions to invoke.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flowRight(square, _.add);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flowRight = createFlow(true);\n\n    /**\n     * Creates a function that memoizes the result of `func`. If `resolver` is\n     * provided it determines the cache key for storing the result based on the\n     * arguments provided to the memoized function. By default, the first argument\n     * provided to the memoized function is coerced to a string and used as the\n     * cache key. The `func` is invoked with the `this` binding of the memoized\n     * function.\n     *\n     * **Note:** The cache is exposed as the `cache` property on the memoized\n     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n     * constructor with one whose instances implement the [`Map`](http://ecma-international.org/ecma-262/6.0/#sec-properties-of-the-map-prototype-object)\n     * method interface of `get`, `has`, and `set`.\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to have its output memoized.\n     * @param {Function} [resolver] The function to resolve the cache key.\n     * @returns {Function} Returns the new memoizing function.\n     * @example\n     *\n     * var upperCase = _.memoize(function(string) {\n     *   return string.toUpperCase();\n     * });\n     *\n     * upperCase('fred');\n     * // => 'FRED'\n     *\n     * // modifying the result cache\n     * upperCase.cache.set('fred', 'BARNEY');\n     * upperCase('fred');\n     * // => 'BARNEY'\n     *\n     * // replacing `_.memoize.Cache`\n     * var object = { 'user': 'fred' };\n     * var other = { 'user': 'barney' };\n     * var identity = _.memoize(_.identity);\n     *\n     * identity(object);\n     * // => { 'user': 'fred' }\n     * identity(other);\n     * // => { 'user': 'fred' }\n     *\n     * _.memoize.Cache = WeakMap;\n     * var identity = _.memoize(_.identity);\n     *\n     * identity(object);\n     * // => { 'user': 'fred' }\n     * identity(other);\n     * // => { 'user': 'barney' }\n     */\n    function memoize(func, resolver) {\n      if (typeof func != 'function' || (resolver && typeof resolver != 'function')) {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var memoized = function() {\n        var args = arguments,\n            key = resolver ? resolver.apply(this, args) : args[0],\n            cache = memoized.cache;\n\n        if (cache.has(key)) {\n          return cache.get(key);\n        }\n        var result = func.apply(this, args);\n        memoized.cache = cache.set(key, result);\n        return result;\n      };\n      memoized.cache = new memoize.Cache;\n      return memoized;\n    }\n\n    /**\n     * Creates a function that runs each argument through a corresponding\n     * transform function.\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to wrap.\n     * @param {...(Function|Function[])} [transforms] The functions to transform\n     * arguments, specified as individual functions or arrays of functions.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * function doubled(n) {\n     *   return n * 2;\n     * }\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var modded = _.modArgs(function(x, y) {\n     *   return [x, y];\n     * }, square, doubled);\n     *\n     * modded(1, 2);\n     * // => [1, 4]\n     *\n     * modded(5, 10);\n     * // => [25, 20]\n     */\n    var modArgs = restParam(function(func, transforms) {\n      transforms = baseFlatten(transforms);\n      if (typeof func != 'function' || !arrayEvery(transforms, baseIsFunction)) {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var length = transforms.length;\n      return restParam(function(args) {\n        var index = nativeMin(args.length, length);\n        while (index--) {\n          args[index] = transforms[index](args[index]);\n        }\n        return func.apply(this, args);\n      });\n    });\n\n    /**\n     * Creates a function that negates the result of the predicate `func`. The\n     * `func` predicate is invoked with the `this` binding and arguments of the\n     * created function.\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {Function} predicate The predicate to negate.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * function isEven(n) {\n     *   return n % 2 == 0;\n     * }\n     *\n     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n     * // => [1, 3, 5]\n     */\n    function negate(predicate) {\n      if (typeof predicate != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return function() {\n        return !predicate.apply(this, arguments);\n      };\n    }\n\n    /**\n     * Creates a function that is restricted to invoking `func` once. Repeat calls\n     * to the function return the value of the first call. The `func` is invoked\n     * with the `this` binding and arguments of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var initialize = _.once(createApplication);\n     * initialize();\n     * initialize();\n     * // `initialize` invokes `createApplication` once\n     */\n    function once(func) {\n      return before(2, func);\n    }\n\n    /**\n     * Creates a function that invokes `func` with `partial` arguments prepended\n     * to those provided to the new function. This method is like `_.bind` except\n     * it does **not** alter the `this` binding.\n     *\n     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method does not set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * var greet = function(greeting, name) {\n     *   return greeting + ' ' + name;\n     * };\n     *\n     * var sayHelloTo = _.partial(greet, 'hello');\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     *\n     * // using placeholders\n     * var greetFred = _.partial(greet, _, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     */\n    var partial = createPartial(PARTIAL_FLAG);\n\n    /**\n     * This method is like `_.partial` except that partially applied arguments\n     * are appended to those provided to the new function.\n     *\n     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method does not set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * var greet = function(greeting, name) {\n     *   return greeting + ' ' + name;\n     * };\n     *\n     * var greetFred = _.partialRight(greet, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     *\n     * // using placeholders\n     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     */\n    var partialRight = createPartial(PARTIAL_RIGHT_FLAG);\n\n    /**\n     * Creates a function that invokes `func` with arguments arranged according\n     * to the specified indexes where the argument value at the first index is\n     * provided as the first argument, the argument value at the second index is\n     * provided as the second argument, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to rearrange arguments for.\n     * @param {...(number|number[])} indexes The arranged argument indexes,\n     *  specified as individual indexes or arrays of indexes.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var rearged = _.rearg(function(a, b, c) {\n     *   return [a, b, c];\n     * }, 2, 0, 1);\n     *\n     * rearged('b', 'c', 'a')\n     * // => ['a', 'b', 'c']\n     *\n     * var map = _.rearg(_.map, [1, 0]);\n     * map(function(n) {\n     *   return n * 3;\n     * }, [1, 2, 3]);\n     * // => [3, 6, 9]\n     */\n    var rearg = restParam(function(func, indexes) {\n      return createWrapper(func, REARG_FLAG, undefined, undefined, undefined, baseFlatten(indexes));\n    });\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * created function and arguments from `start` and beyond provided as an array.\n     *\n     * **Note:** This method is based on the [rest parameter](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/rest_parameters).\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.restParam(function(what, names) {\n     *   return what + ' ' + _.initial(names).join(', ') +\n     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n     * });\n     *\n     * say('hello', 'fred', 'barney', 'pebbles');\n     * // => 'hello fred, barney, & pebbles'\n     */\n    function restParam(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = nativeMax(start === undefined ? (func.length - 1) : (+start || 0), 0);\n      return function() {\n        var args = arguments,\n            index = -1,\n            length = nativeMax(args.length - start, 0),\n            rest = Array(length);\n\n        while (++index < length) {\n          rest[index] = args[start + index];\n        }\n        switch (start) {\n          case 0: return func.call(this, rest);\n          case 1: return func.call(this, args[0], rest);\n          case 2: return func.call(this, args[0], args[1], rest);\n        }\n        var otherArgs = Array(start + 1);\n        index = -1;\n        while (++index < start) {\n          otherArgs[index] = args[index];\n        }\n        otherArgs[start] = rest;\n        return func.apply(this, otherArgs);\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the created\n     * function and an array of arguments much like [`Function#apply`](https://es5.github.io/#x15.3.4.3).\n     *\n     * **Note:** This method is based on the [spread operator](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Spread_operator).\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to spread arguments over.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.spread(function(who, what) {\n     *   return who + ' says ' + what;\n     * });\n     *\n     * say(['fred', 'hello']);\n     * // => 'fred says hello'\n     *\n     * // with a Promise\n     * var numbers = Promise.all([\n     *   Promise.resolve(40),\n     *   Promise.resolve(36)\n     * ]);\n     *\n     * numbers.then(_.spread(function(x, y) {\n     *   return x + y;\n     * }));\n     * // => a Promise of 76\n     */\n    function spread(func) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return function(array) {\n        return func.apply(this, array);\n      };\n    }\n\n    /**\n     * Creates a throttled function that only invokes `func` at most once per\n     * every `wait` milliseconds. The throttled function comes with a `cancel`\n     * method to cancel delayed invocations. Provide an options object to indicate\n     * that `func` should be invoked on the leading and/or trailing edge of the\n     * `wait` timeout. Subsequent calls to the throttled function return the\n     * result of the last `func` call.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is invoked\n     * on the trailing edge of the timeout only if the the throttled function is\n     * invoked more than once during the `wait` timeout.\n     *\n     * See [David Corbacho's article](http://drupalmotion.com/article/debounce-and-throttle-visual-explanation)\n     * for details over the differences between `_.throttle` and `_.debounce`.\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to throttle.\n     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n     * @param {Object} [options] The options object.\n     * @param {boolean} [options.leading=true] Specify invoking on the leading\n     *  edge of the timeout.\n     * @param {boolean} [options.trailing=true] Specify invoking on the trailing\n     *  edge of the timeout.\n     * @returns {Function} Returns the new throttled function.\n     * @example\n     *\n     * // avoid excessively updating the position while scrolling\n     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n     *\n     * // invoke `renewToken` when the click event is fired, but not more than once every 5 minutes\n     * jQuery('.interactive').on('click', _.throttle(renewToken, 300000, {\n     *   'trailing': false\n     * }));\n     *\n     * // cancel a trailing throttled call\n     * jQuery(window).on('popstate', throttled.cancel);\n     */\n    function throttle(func, wait, options) {\n      var leading = true,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      if (options === false) {\n        leading = false;\n      } else if (isObject(options)) {\n        leading = 'leading' in options ? !!options.leading : leading;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n      return debounce(func, wait, { 'leading': leading, 'maxWait': +wait, 'trailing': trailing });\n    }\n\n    /**\n     * Creates a function that provides `value` to the wrapper function as its\n     * first argument. Any additional arguments provided to the function are\n     * appended to those provided to the wrapper function. The wrapper is invoked\n     * with the `this` binding of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @category Function\n     * @param {*} value The value to wrap.\n     * @param {Function} wrapper The wrapper function.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var p = _.wrap(_.escape, function(func, text) {\n     *   return '<p>' + func(text) + '</p>';\n     * });\n     *\n     * p('fred, barney, & pebbles');\n     * // => '<p>fred, barney, &amp; pebbles</p>'\n     */\n    function wrap(value, wrapper) {\n      wrapper = wrapper == null ? identity : wrapper;\n      return createWrapper(wrapper, PARTIAL_FLAG, undefined, [value], []);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a clone of `value`. If `isDeep` is `true` nested objects are cloned,\n     * otherwise they are assigned by reference. If `customizer` is provided it is\n     * invoked to produce the cloned values. If `customizer` returns `undefined`\n     * cloning is handled by the method instead. The `customizer` is bound to\n     * `thisArg` and invoked with two argument; (value [, index|key, object]).\n     *\n     * **Note:** This method is loosely based on the\n     * [structured clone algorithm](http://www.w3.org/TR/html5/infrastructure.html#internal-structured-cloning-algorithm).\n     * The enumerable properties of `arguments` objects and objects created by\n     * constructors other than `Object` are cloned to plain `Object` objects. An\n     * empty object is returned for uncloneable values such as functions, DOM nodes,\n     * Maps, Sets, and WeakMaps.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @param {Function} [customizer] The function to customize cloning values.\n     * @param {*} [thisArg] The `this` binding of `customizer`.\n     * @returns {*} Returns the cloned value.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney' },\n     *   { 'user': 'fred' }\n     * ];\n     *\n     * var shallow = _.clone(users);\n     * shallow[0] === users[0];\n     * // => true\n     *\n     * var deep = _.clone(users, true);\n     * deep[0] === users[0];\n     * // => false\n     *\n     * // using a customizer callback\n     * var el = _.clone(document.body, function(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(false);\n     *   }\n     * });\n     *\n     * el === document.body\n     * // => false\n     * el.nodeName\n     * // => BODY\n     * el.childNodes.length;\n     * // => 0\n     */\n    function clone(value, isDeep, customizer, thisArg) {\n      if (isDeep && typeof isDeep != 'boolean' && isIterateeCall(value, isDeep, customizer)) {\n        isDeep = false;\n      }\n      else if (typeof isDeep == 'function') {\n        thisArg = customizer;\n        customizer = isDeep;\n        isDeep = false;\n      }\n      return typeof customizer == 'function'\n        ? baseClone(value, isDeep, bindCallback(customizer, thisArg, 1))\n        : baseClone(value, isDeep);\n    }\n\n    /**\n     * Creates a deep clone of `value`. If `customizer` is provided it is invoked\n     * to produce the cloned values. If `customizer` returns `undefined` cloning\n     * is handled by the method instead. The `customizer` is bound to `thisArg`\n     * and invoked with two argument; (value [, index|key, object]).\n     *\n     * **Note:** This method is loosely based on the\n     * [structured clone algorithm](http://www.w3.org/TR/html5/infrastructure.html#internal-structured-cloning-algorithm).\n     * The enumerable properties of `arguments` objects and objects created by\n     * constructors other than `Object` are cloned to plain `Object` objects. An\n     * empty object is returned for uncloneable values such as functions, DOM nodes,\n     * Maps, Sets, and WeakMaps.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to deep clone.\n     * @param {Function} [customizer] The function to customize cloning values.\n     * @param {*} [thisArg] The `this` binding of `customizer`.\n     * @returns {*} Returns the deep cloned value.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney' },\n     *   { 'user': 'fred' }\n     * ];\n     *\n     * var deep = _.cloneDeep(users);\n     * deep[0] === users[0];\n     * // => false\n     *\n     * // using a customizer callback\n     * var el = _.cloneDeep(document.body, function(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(true);\n     *   }\n     * });\n     *\n     * el === document.body\n     * // => false\n     * el.nodeName\n     * // => BODY\n     * el.childNodes.length;\n     * // => 20\n     */\n    function cloneDeep(value, customizer, thisArg) {\n      return typeof customizer == 'function'\n        ? baseClone(value, true, bindCallback(customizer, thisArg, 1))\n        : baseClone(value, true);\n    }\n\n    /**\n     * Checks if `value` is greater than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`, else `false`.\n     * @example\n     *\n     * _.gt(3, 1);\n     * // => true\n     *\n     * _.gt(3, 3);\n     * // => false\n     *\n     * _.gt(1, 3);\n     * // => false\n     */\n    function gt(value, other) {\n      return value > other;\n    }\n\n    /**\n     * Checks if `value` is greater than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than or equal to `other`, else `false`.\n     * @example\n     *\n     * _.gte(3, 1);\n     * // => true\n     *\n     * _.gte(3, 3);\n     * // => true\n     *\n     * _.gte(1, 3);\n     * // => false\n     */\n    function gte(value, other) {\n      return value >= other;\n    }\n\n    /**\n     * Checks if `value` is classified as an `arguments` object.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.\n     * @example\n     *\n     * _.isArguments(function() { return arguments; }());\n     * // => true\n     *\n     * _.isArguments([1, 2, 3]);\n     * // => false\n     */\n    function isArguments(value) {\n      return isObjectLike(value) && isArrayLike(value) &&\n        hasOwnProperty.call(value, 'callee') && !propertyIsEnumerable.call(value, 'callee');\n    }\n\n    /**\n     * Checks if `value` is classified as an `Array` object.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.\n     * @example\n     *\n     * _.isArray([1, 2, 3]);\n     * // => true\n     *\n     * _.isArray(function() { return arguments; }());\n     * // => false\n     */\n    var isArray = nativeIsArray || function(value) {\n      return isObjectLike(value) && isLength(value.length) && objToString.call(value) == arrayTag;\n    };\n\n    /**\n     * Checks if `value` is classified as a boolean primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.\n     * @example\n     *\n     * _.isBoolean(false);\n     * // => true\n     *\n     * _.isBoolean(null);\n     * // => false\n     */\n    function isBoolean(value) {\n      return value === true || value === false || (isObjectLike(value) && objToString.call(value) == boolTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Date` object.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.\n     * @example\n     *\n     * _.isDate(new Date);\n     * // => true\n     *\n     * _.isDate('Mon April 23 2012');\n     * // => false\n     */\n    function isDate(value) {\n      return isObjectLike(value) && objToString.call(value) == dateTag;\n    }\n\n    /**\n     * Checks if `value` is a DOM element.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n     * @example\n     *\n     * _.isElement(document.body);\n     * // => true\n     *\n     * _.isElement('<body>');\n     * // => false\n     */\n    function isElement(value) {\n      return !!value && value.nodeType === 1 && isObjectLike(value) && !isPlainObject(value);\n    }\n\n    /**\n     * Checks if `value` is empty. A value is considered empty unless it is an\n     * `arguments` object, array, string, or jQuery-like collection with a length\n     * greater than `0` or an object with own enumerable properties.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {Array|Object|string} value The value to inspect.\n     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n     * @example\n     *\n     * _.isEmpty(null);\n     * // => true\n     *\n     * _.isEmpty(true);\n     * // => true\n     *\n     * _.isEmpty(1);\n     * // => true\n     *\n     * _.isEmpty([1, 2, 3]);\n     * // => false\n     *\n     * _.isEmpty({ 'a': 1 });\n     * // => false\n     */\n    function isEmpty(value) {\n      if (value == null) {\n        return true;\n      }\n      if (isArrayLike(value) && (isArray(value) || isString(value) || isArguments(value) ||\n          (isObjectLike(value) && isFunction(value.splice)))) {\n        return !value.length;\n      }\n      return !keys(value).length;\n    }\n\n    /**\n     * Performs a deep comparison between two values to determine if they are\n     * equivalent. If `customizer` is provided it is invoked to compare values.\n     * If `customizer` returns `undefined` comparisons are handled by the method\n     * instead. The `customizer` is bound to `thisArg` and invoked with three\n     * arguments: (value, other [, index|key]).\n     *\n     * **Note:** This method supports comparing arrays, booleans, `Date` objects,\n     * numbers, `Object` objects, regexes, and strings. Objects are compared by\n     * their own, not inherited, enumerable properties. Functions and DOM nodes\n     * are **not** supported. Provide a customizer function to extend support\n     * for comparing other values.\n     *\n     * @static\n     * @memberOf _\n     * @alias eq\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {Function} [customizer] The function to customize value comparisons.\n     * @param {*} [thisArg] The `this` binding of `customizer`.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'user': 'fred' };\n     * var other = { 'user': 'fred' };\n     *\n     * object == other;\n     * // => false\n     *\n     * _.isEqual(object, other);\n     * // => true\n     *\n     * // using a customizer callback\n     * var array = ['hello', 'goodbye'];\n     * var other = ['hi', 'goodbye'];\n     *\n     * _.isEqual(array, other, function(value, other) {\n     *   if (_.every([value, other], RegExp.prototype.test, /^h(?:i|ello)$/)) {\n     *     return true;\n     *   }\n     * });\n     * // => true\n     */\n    function isEqual(value, other, customizer, thisArg) {\n      customizer = typeof customizer == 'function' ? bindCallback(customizer, thisArg, 3) : undefined;\n      var result = customizer ? customizer(value, other) : undefined;\n      return  result === undefined ? baseIsEqual(value, other, customizer) : !!result;\n    }\n\n    /**\n     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n     * `SyntaxError`, `TypeError`, or `URIError` object.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n     * @example\n     *\n     * _.isError(new Error);\n     * // => true\n     *\n     * _.isError(Error);\n     * // => false\n     */\n    function isError(value) {\n      return isObjectLike(value) && typeof value.message == 'string' && objToString.call(value) == errorTag;\n    }\n\n    /**\n     * Checks if `value` is a finite primitive number.\n     *\n     * **Note:** This method is based on [`Number.isFinite`](http://ecma-international.org/ecma-262/6.0/#sec-number.isfinite).\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n     * @example\n     *\n     * _.isFinite(10);\n     * // => true\n     *\n     * _.isFinite('10');\n     * // => false\n     *\n     * _.isFinite(true);\n     * // => false\n     *\n     * _.isFinite(Object(10));\n     * // => false\n     *\n     * _.isFinite(Infinity);\n     * // => false\n     */\n    function isFinite(value) {\n      return typeof value == 'number' && nativeIsFinite(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Function` object.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.\n     * @example\n     *\n     * _.isFunction(_);\n     * // => true\n     *\n     * _.isFunction(/abc/);\n     * // => false\n     */\n    function isFunction(value) {\n      // The use of `Object#toString` avoids issues with the `typeof` operator\n      // in older versions of Chrome and Safari which return 'function' for regexes\n      // and Safari 8 equivalents which return 'object' for typed array constructors.\n      return isObject(value) && objToString.call(value) == funcTag;\n    }\n\n    /**\n     * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.\n     * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n     * @example\n     *\n     * _.isObject({});\n     * // => true\n     *\n     * _.isObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isObject(1);\n     * // => false\n     */\n    function isObject(value) {\n      // Avoid a V8 JIT bug in Chrome 19-20.\n      // See https://code.google.com/p/v8/issues/detail?id=2291 for more details.\n      var type = typeof value;\n      return !!value && (type == 'object' || type == 'function');\n    }\n\n    /**\n     * Performs a deep comparison between `object` and `source` to determine if\n     * `object` contains equivalent property values. If `customizer` is provided\n     * it is invoked to compare values. If `customizer` returns `undefined`\n     * comparisons are handled by the method instead. The `customizer` is bound\n     * to `thisArg` and invoked with three arguments: (value, other, index|key).\n     *\n     * **Note:** This method supports comparing properties of arrays, booleans,\n     * `Date` objects, numbers, `Object` objects, regexes, and strings. Functions\n     * and DOM nodes are **not** supported. Provide a customizer function to extend\n     * support for comparing other values.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Function} [customizer] The function to customize value comparisons.\n     * @param {*} [thisArg] The `this` binding of `customizer`.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * var object = { 'user': 'fred', 'age': 40 };\n     *\n     * _.isMatch(object, { 'age': 40 });\n     * // => true\n     *\n     * _.isMatch(object, { 'age': 36 });\n     * // => false\n     *\n     * // using a customizer callback\n     * var object = { 'greeting': 'hello' };\n     * var source = { 'greeting': 'hi' };\n     *\n     * _.isMatch(object, source, function(value, other) {\n     *   return _.every([value, other], RegExp.prototype.test, /^h(?:i|ello)$/) || undefined;\n     * });\n     * // => true\n     */\n    function isMatch(object, source, customizer, thisArg) {\n      customizer = typeof customizer == 'function' ? bindCallback(customizer, thisArg, 3) : undefined;\n      return baseIsMatch(object, getMatchData(source), customizer);\n    }\n\n    /**\n     * Checks if `value` is `NaN`.\n     *\n     * **Note:** This method is not the same as [`isNaN`](https://es5.github.io/#x15.1.2.4)\n     * which returns `true` for `undefined` and other non-numeric values.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n     * @example\n     *\n     * _.isNaN(NaN);\n     * // => true\n     *\n     * _.isNaN(new Number(NaN));\n     * // => true\n     *\n     * isNaN(undefined);\n     * // => true\n     *\n     * _.isNaN(undefined);\n     * // => false\n     */\n    function isNaN(value) {\n      // An `NaN` primitive is the only value that is not equal to itself.\n      // Perform the `toStringTag` check first to avoid errors with some host objects in IE.\n      return isNumber(value) && value != +value;\n    }\n\n    /**\n     * Checks if `value` is a native function.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function, else `false`.\n     * @example\n     *\n     * _.isNative(Array.prototype.push);\n     * // => true\n     *\n     * _.isNative(_);\n     * // => false\n     */\n    function isNative(value) {\n      if (value == null) {\n        return false;\n      }\n      if (isFunction(value)) {\n        return reIsNative.test(fnToString.call(value));\n      }\n      return isObjectLike(value) && reIsHostCtor.test(value);\n    }\n\n    /**\n     * Checks if `value` is `null`.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n     * @example\n     *\n     * _.isNull(null);\n     * // => true\n     *\n     * _.isNull(void 0);\n     * // => false\n     */\n    function isNull(value) {\n      return value === null;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Number` primitive or object.\n     *\n     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are classified\n     * as numbers, use the `_.isFinite` method.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.\n     * @example\n     *\n     * _.isNumber(8.4);\n     * // => true\n     *\n     * _.isNumber(NaN);\n     * // => true\n     *\n     * _.isNumber('8.4');\n     * // => false\n     */\n    function isNumber(value) {\n      return typeof value == 'number' || (isObjectLike(value) && objToString.call(value) == numberTag);\n    }\n\n    /**\n     * Checks if `value` is a plain object, that is, an object created by the\n     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n     *\n     * **Note:** This method assumes objects created by the `Object` constructor\n     * have no inherited enumerable properties.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * _.isPlainObject(new Foo);\n     * // => false\n     *\n     * _.isPlainObject([1, 2, 3]);\n     * // => false\n     *\n     * _.isPlainObject({ 'x': 0, 'y': 0 });\n     * // => true\n     *\n     * _.isPlainObject(Object.create(null));\n     * // => true\n     */\n    function isPlainObject(value) {\n      var Ctor;\n\n      // Exit early for non `Object` objects.\n      if (!(isObjectLike(value) && objToString.call(value) == objectTag && !isArguments(value)) ||\n          (!hasOwnProperty.call(value, 'constructor') && (Ctor = value.constructor, typeof Ctor == 'function' && !(Ctor instanceof Ctor)))) {\n        return false;\n      }\n      // IE < 9 iterates inherited properties before own properties. If the first\n      // iterated property is an object's own property then there are no inherited\n      // enumerable properties.\n      var result;\n      // In most environments an object's own properties are iterated before\n      // its inherited properties. If the last iterated property is an object's\n      // own property then there are no inherited enumerable properties.\n      baseForIn(value, function(subValue, key) {\n        result = key;\n      });\n      return result === undefined || hasOwnProperty.call(value, result);\n    }\n\n    /**\n     * Checks if `value` is classified as a `RegExp` object.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.\n     * @example\n     *\n     * _.isRegExp(/abc/);\n     * // => true\n     *\n     * _.isRegExp('/abc/');\n     * // => false\n     */\n    function isRegExp(value) {\n      return isObject(value) && objToString.call(value) == regexpTag;\n    }\n\n    /**\n     * Checks if `value` is classified as a `String` primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.\n     * @example\n     *\n     * _.isString('abc');\n     * // => true\n     *\n     * _.isString(1);\n     * // => false\n     */\n    function isString(value) {\n      return typeof value == 'string' || (isObjectLike(value) && objToString.call(value) == stringTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a typed array.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.\n     * @example\n     *\n     * _.isTypedArray(new Uint8Array);\n     * // => true\n     *\n     * _.isTypedArray([]);\n     * // => false\n     */\n    function isTypedArray(value) {\n      return isObjectLike(value) && isLength(value.length) && !!typedArrayTags[objToString.call(value)];\n    }\n\n    /**\n     * Checks if `value` is `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n     * @example\n     *\n     * _.isUndefined(void 0);\n     * // => true\n     *\n     * _.isUndefined(null);\n     * // => false\n     */\n    function isUndefined(value) {\n      return value === undefined;\n    }\n\n    /**\n     * Checks if `value` is less than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`, else `false`.\n     * @example\n     *\n     * _.lt(1, 3);\n     * // => true\n     *\n     * _.lt(3, 3);\n     * // => false\n     *\n     * _.lt(3, 1);\n     * // => false\n     */\n    function lt(value, other) {\n      return value < other;\n    }\n\n    /**\n     * Checks if `value` is less than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than or equal to `other`, else `false`.\n     * @example\n     *\n     * _.lte(1, 3);\n     * // => true\n     *\n     * _.lte(3, 3);\n     * // => true\n     *\n     * _.lte(3, 1);\n     * // => false\n     */\n    function lte(value, other) {\n      return value <= other;\n    }\n\n    /**\n     * Converts `value` to an array.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the converted array.\n     * @example\n     *\n     * (function() {\n     *   return _.toArray(arguments).slice(1);\n     * }(1, 2, 3));\n     * // => [2, 3]\n     */\n    function toArray(value) {\n      var length = value ? getLength(value) : 0;\n      if (!isLength(length)) {\n        return values(value);\n      }\n      if (!length) {\n        return [];\n      }\n      return arrayCopy(value);\n    }\n\n    /**\n     * Converts `value` to a plain object flattening inherited enumerable\n     * properties of `value` to own properties of the plain object.\n     *\n     * @static\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Object} Returns the converted plain object.\n     * @example\n     *\n     * function Foo() {\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.assign({ 'a': 1 }, new Foo);\n     * // => { 'a': 1, 'b': 2 }\n     *\n     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n     * // => { 'a': 1, 'b': 2, 'c': 3 }\n     */\n    function toPlainObject(value) {\n      return baseCopy(value, keysIn(value));\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Recursively merges own enumerable properties of the source object(s), that\n     * don't resolve to `undefined` into the destination object. Subsequent sources\n     * overwrite property assignments of previous sources. If `customizer` is\n     * provided it is invoked to produce the merged values of the destination and\n     * source properties. If `customizer` returns `undefined` merging is handled\n     * by the method instead. The `customizer` is bound to `thisArg` and invoked\n     * with five arguments: (objectValue, sourceValue, key, object, source).\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @param {*} [thisArg] The `this` binding of `customizer`.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var users = {\n     *   'data': [{ 'user': 'barney' }, { 'user': 'fred' }]\n     * };\n     *\n     * var ages = {\n     *   'data': [{ 'age': 36 }, { 'age': 40 }]\n     * };\n     *\n     * _.merge(users, ages);\n     * // => { 'data': [{ 'user': 'barney', 'age': 36 }, { 'user': 'fred', 'age': 40 }] }\n     *\n     * // using a customizer callback\n     * var object = {\n     *   'fruits': ['apple'],\n     *   'vegetables': ['beet']\n     * };\n     *\n     * var other = {\n     *   'fruits': ['banana'],\n     *   'vegetables': ['carrot']\n     * };\n     *\n     * _.merge(object, other, function(a, b) {\n     *   if (_.isArray(a)) {\n     *     return a.concat(b);\n     *   }\n     * });\n     * // => { 'fruits': ['apple', 'banana'], 'vegetables': ['beet', 'carrot'] }\n     */\n    var merge = createAssigner(baseMerge);\n\n    /**\n     * Assigns own enumerable properties of source object(s) to the destination\n     * object. Subsequent sources overwrite property assignments of previous sources.\n     * If `customizer` is provided it is invoked to produce the assigned values.\n     * The `customizer` is bound to `thisArg` and invoked with five arguments:\n     * (objectValue, sourceValue, key, object, source).\n     *\n     * **Note:** This method mutates `object` and is based on\n     * [`Object.assign`](http://ecma-international.org/ecma-262/6.0/#sec-object.assign).\n     *\n     * @static\n     * @memberOf _\n     * @alias extend\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @param {*} [thisArg] The `this` binding of `customizer`.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * _.assign({ 'user': 'barney' }, { 'age': 40 }, { 'user': 'fred' });\n     * // => { 'user': 'fred', 'age': 40 }\n     *\n     * // using a customizer callback\n     * var defaults = _.partialRight(_.assign, function(value, other) {\n     *   return _.isUndefined(value) ? other : value;\n     * });\n     *\n     * defaults({ 'user': 'barney' }, { 'age': 36 }, { 'user': 'fred' });\n     * // => { 'user': 'barney', 'age': 36 }\n     */\n    var assign = createAssigner(function(object, source, customizer) {\n      return customizer\n        ? assignWith(object, source, customizer)\n        : baseAssign(object, source);\n    });\n\n    /**\n     * Creates an object that inherits from the given `prototype` object. If a\n     * `properties` object is provided its own enumerable properties are assigned\n     * to the created object.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} prototype The object to inherit from.\n     * @param {Object} [properties] The properties to assign to the object.\n     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * function Shape() {\n     *   this.x = 0;\n     *   this.y = 0;\n     * }\n     *\n     * function Circle() {\n     *   Shape.call(this);\n     * }\n     *\n     * Circle.prototype = _.create(Shape.prototype, {\n     *   'constructor': Circle\n     * });\n     *\n     * var circle = new Circle;\n     * circle instanceof Circle;\n     * // => true\n     *\n     * circle instanceof Shape;\n     * // => true\n     */\n    function create(prototype, properties, guard) {\n      var result = baseCreate(prototype);\n      if (guard && isIterateeCall(prototype, properties, guard)) {\n        properties = undefined;\n      }\n      return properties ? baseAssign(result, properties) : result;\n    }\n\n    /**\n     * Assigns own enumerable properties of source object(s) to the destination\n     * object for all destination properties that resolve to `undefined`. Once a\n     * property is set, additional values of the same property are ignored.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * _.defaults({ 'user': 'barney' }, { 'age': 36 }, { 'user': 'fred' });\n     * // => { 'user': 'barney', 'age': 36 }\n     */\n    var defaults = createDefaults(assign, assignDefaults);\n\n    /**\n     * This method is like `_.defaults` except that it recursively assigns\n     * default properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * _.defaultsDeep({ 'user': { 'name': 'barney' } }, { 'user': { 'name': 'fred', 'age': 36 } });\n     * // => { 'user': { 'name': 'barney', 'age': 36 } }\n     *\n     */\n    var defaultsDeep = createDefaults(merge, mergeDefaults);\n\n    /**\n     * This method is like `_.find` except that it returns the key of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * If a property name is provided for `predicate` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `predicate` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to search.\n     * @param {Function|Object|string} [predicate=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `predicate`.\n     * @returns {string|undefined} Returns the key of the matched element, else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findKey(users, function(chr) {\n     *   return chr.age < 40;\n     * });\n     * // => 'barney' (iteration order is not guaranteed)\n     *\n     * // using the `_.matches` callback shorthand\n     * _.findKey(users, { 'age': 1, 'active': true });\n     * // => 'pebbles'\n     *\n     * // using the `_.matchesProperty` callback shorthand\n     * _.findKey(users, 'active', false);\n     * // => 'fred'\n     *\n     * // using the `_.property` callback shorthand\n     * _.findKey(users, 'active');\n     * // => 'barney'\n     */\n    var findKey = createFindKey(baseForOwn);\n\n    /**\n     * This method is like `_.findKey` except that it iterates over elements of\n     * a collection in the opposite order.\n     *\n     * If a property name is provided for `predicate` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `predicate` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to search.\n     * @param {Function|Object|string} [predicate=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `predicate`.\n     * @returns {string|undefined} Returns the key of the matched element, else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findLastKey(users, function(chr) {\n     *   return chr.age < 40;\n     * });\n     * // => returns `pebbles` assuming `_.findKey` returns `barney`\n     *\n     * // using the `_.matches` callback shorthand\n     * _.findLastKey(users, { 'age': 36, 'active': true });\n     * // => 'barney'\n     *\n     * // using the `_.matchesProperty` callback shorthand\n     * _.findLastKey(users, 'active', false);\n     * // => 'fred'\n     *\n     * // using the `_.property` callback shorthand\n     * _.findLastKey(users, 'active');\n     * // => 'pebbles'\n     */\n    var findLastKey = createFindKey(baseForOwnRight);\n\n    /**\n     * Iterates over own and inherited enumerable properties of an object invoking\n     * `iteratee` for each property. The `iteratee` is bound to `thisArg` and invoked\n     * with three arguments: (value, key, object). Iteratee functions may exit\n     * iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forIn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => logs 'a', 'b', and 'c' (iteration order is not guaranteed)\n     */\n    var forIn = createForIn(baseFor);\n\n    /**\n     * This method is like `_.forIn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forInRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => logs 'c', 'b', and 'a' assuming `_.forIn ` logs 'a', 'b', and 'c'\n     */\n    var forInRight = createForIn(baseForRight);\n\n    /**\n     * Iterates over own enumerable properties of an object invoking `iteratee`\n     * for each property. The `iteratee` is bound to `thisArg` and invoked with\n     * three arguments: (value, key, object). Iteratee functions may exit iteration\n     * early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => logs 'a' and 'b' (iteration order is not guaranteed)\n     */\n    var forOwn = createForOwn(baseForOwn);\n\n    /**\n     * This method is like `_.forOwn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwnRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => logs 'b' and 'a' assuming `_.forOwn` logs 'a' and 'b'\n     */\n    var forOwnRight = createForOwn(baseForOwnRight);\n\n    /**\n     * Creates an array of function property names from all enumerable properties,\n     * own and inherited, of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @alias methods\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the new array of property names.\n     * @example\n     *\n     * _.functions(_);\n     * // => ['after', 'ary', 'assign', ...]\n     */\n    function functions(object) {\n      return baseFunctions(object, keysIn(object));\n    }\n\n    /**\n     * Gets the property value at `path` of `object`. If the resolved value is\n     * `undefined` the `defaultValue` is used in its place.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} [defaultValue] The value returned if the resolved value is `undefined`.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.get(object, 'a[0].b.c');\n     * // => 3\n     *\n     * _.get(object, ['a', '0', 'b', 'c']);\n     * // => 3\n     *\n     * _.get(object, 'a.b.c', 'default');\n     * // => 'default'\n     */\n    function get(object, path, defaultValue) {\n      var result = object == null ? undefined : baseGet(object, toPath(path), path + '');\n      return result === undefined ? defaultValue : result;\n    }\n\n    /**\n     * Checks if `path` is a direct property.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` is a direct property, else `false`.\n     * @example\n     *\n     * var object = { 'a': { 'b': { 'c': 3 } } };\n     *\n     * _.has(object, 'a');\n     * // => true\n     *\n     * _.has(object, 'a.b.c');\n     * // => true\n     *\n     * _.has(object, ['a', 'b', 'c']);\n     * // => true\n     */\n    function has(object, path) {\n      if (object == null) {\n        return false;\n      }\n      var result = hasOwnProperty.call(object, path);\n      if (!result && !isKey(path)) {\n        path = toPath(path);\n        object = path.length == 1 ? object : baseGet(object, baseSlice(path, 0, -1));\n        if (object == null) {\n          return false;\n        }\n        path = last(path);\n        result = hasOwnProperty.call(object, path);\n      }\n      return result || (isLength(object.length) && isIndex(path, object.length) &&\n        (isArray(object) || isArguments(object)));\n    }\n\n    /**\n     * Creates an object composed of the inverted keys and values of `object`.\n     * If `object` contains duplicate values, subsequent values overwrite property\n     * assignments of previous values unless `multiValue` is `true`.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @param {boolean} [multiValue] Allow multiple values per key.\n     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invert(object);\n     * // => { '1': 'c', '2': 'b' }\n     *\n     * // with `multiValue`\n     * _.invert(object, true);\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     */\n    function invert(object, multiValue, guard) {\n      if (guard && isIterateeCall(object, multiValue, guard)) {\n        multiValue = undefined;\n      }\n      var index = -1,\n          props = keys(object),\n          length = props.length,\n          result = {};\n\n      while (++index < length) {\n        var key = props[index],\n            value = object[key];\n\n        if (multiValue) {\n          if (hasOwnProperty.call(result, value)) {\n            result[value].push(key);\n          } else {\n            result[value] = [key];\n          }\n        }\n        else {\n          result[value] = key;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array of the own enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects. See the\n     * [ES spec](http://ecma-international.org/ecma-262/6.0/#sec-object.keys)\n     * for more details.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keys(new Foo);\n     * // => ['a', 'b'] (iteration order is not guaranteed)\n     *\n     * _.keys('hi');\n     * // => ['0', '1']\n     */\n    var keys = !nativeKeys ? shimKeys : function(object) {\n      var Ctor = object == null ? undefined : object.constructor;\n      if ((typeof Ctor == 'function' && Ctor.prototype === object) ||\n          (typeof object != 'function' && isArrayLike(object))) {\n        return shimKeys(object);\n      }\n      return isObject(object) ? nativeKeys(object) : [];\n    };\n\n    /**\n     * Creates an array of the own and inherited enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keysIn(new Foo);\n     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n     */\n    function keysIn(object) {\n      if (object == null) {\n        return [];\n      }\n      if (!isObject(object)) {\n        object = Object(object);\n      }\n      var length = object.length;\n      length = (length && isLength(length) &&\n        (isArray(object) || isArguments(object)) && length) || 0;\n\n      var Ctor = object.constructor,\n          index = -1,\n          isProto = typeof Ctor == 'function' && Ctor.prototype === object,\n          result = Array(length),\n          skipIndexes = length > 0;\n\n      while (++index < length) {\n        result[index] = (index + '');\n      }\n      for (var key in object) {\n        if (!(skipIndexes && isIndex(key, length)) &&\n            !(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The opposite of `_.mapValues`; this method creates an object with the\n     * same values as `object` and keys generated by running each own enumerable\n     * property of `object` through `iteratee`.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function|Object|string} [iteratee=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {Object} Returns the new mapped object.\n     * @example\n     *\n     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   return key + value;\n     * });\n     * // => { 'a1': 1, 'b2': 2 }\n     */\n    var mapKeys = createObjectMapper(true);\n\n    /**\n     * Creates an object with the same keys as `object` and values generated by\n     * running each own enumerable property of `object` through `iteratee`. The\n     * iteratee function is bound to `thisArg` and invoked with three arguments:\n     * (value, key, object).\n     *\n     * If a property name is provided for `iteratee` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `iteratee` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function|Object|string} [iteratee=_.identity] The function invoked\n     *  per iteration.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {Object} Returns the new mapped object.\n     * @example\n     *\n     * _.mapValues({ 'a': 1, 'b': 2 }, function(n) {\n     *   return n * 3;\n     * });\n     * // => { 'a': 3, 'b': 6 }\n     *\n     * var users = {\n     *   'fred':    { 'user': 'fred',    'age': 40 },\n     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n     * };\n     *\n     * // using the `_.property` callback shorthand\n     * _.mapValues(users, 'age');\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     */\n    var mapValues = createObjectMapper();\n\n    /**\n     * The opposite of `_.pick`; this method creates an object composed of the\n     * own and inherited enumerable properties of `object` that are not omitted.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function|...(string|string[])} [predicate] The function invoked per\n     *  iteration or property names to omit, specified as individual property\n     *  names or arrays of property names.\n     * @param {*} [thisArg] The `this` binding of `predicate`.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'user': 'fred', 'age': 40 };\n     *\n     * _.omit(object, 'age');\n     * // => { 'user': 'fred' }\n     *\n     * _.omit(object, _.isNumber);\n     * // => { 'user': 'fred' }\n     */\n    var omit = restParam(function(object, props) {\n      if (object == null) {\n        return {};\n      }\n      if (typeof props[0] != 'function') {\n        var props = arrayMap(baseFlatten(props), String);\n        return pickByArray(object, baseDifference(keysIn(object), props));\n      }\n      var predicate = bindCallback(props[0], props[1], 3);\n      return pickByCallback(object, function(value, key, object) {\n        return !predicate(value, key, object);\n      });\n    });\n\n    /**\n     * Creates a two dimensional array of the key-value pairs for `object`,\n     * e.g. `[[key1, value1], [key2, value2]]`.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the new array of key-value pairs.\n     * @example\n     *\n     * _.pairs({ 'barney': 36, 'fred': 40 });\n     * // => [['barney', 36], ['fred', 40]] (iteration order is not guaranteed)\n     */\n    function pairs(object) {\n      object = toObject(object);\n\n      var index = -1,\n          props = keys(object),\n          length = props.length,\n          result = Array(length);\n\n      while (++index < length) {\n        var key = props[index];\n        result[index] = [key, object[key]];\n      }\n      return result;\n    }\n\n    /**\n     * Creates an object composed of the picked `object` properties. Property\n     * names may be specified as individual arguments or as arrays of property\n     * names. If `predicate` is provided it is invoked for each property of `object`\n     * picking the properties `predicate` returns truthy for. The predicate is\n     * bound to `thisArg` and invoked with three arguments: (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function|...(string|string[])} [predicate] The function invoked per\n     *  iteration or property names to pick, specified as individual property\n     *  names or arrays of property names.\n     * @param {*} [thisArg] The `this` binding of `predicate`.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'user': 'fred', 'age': 40 };\n     *\n     * _.pick(object, 'user');\n     * // => { 'user': 'fred' }\n     *\n     * _.pick(object, _.isString);\n     * // => { 'user': 'fred' }\n     */\n    var pick = restParam(function(object, props) {\n      if (object == null) {\n        return {};\n      }\n      return typeof props[0] == 'function'\n        ? pickByCallback(object, bindCallback(props[0], props[1], 3))\n        : pickByArray(object, baseFlatten(props));\n    });\n\n    /**\n     * This method is like `_.get` except that if the resolved value is a function\n     * it is invoked with the `this` binding of its parent object and its result\n     * is returned.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to resolve.\n     * @param {*} [defaultValue] The value returned if the resolved value is `undefined`.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n     *\n     * _.result(object, 'a[0].b.c1');\n     * // => 3\n     *\n     * _.result(object, 'a[0].b.c2');\n     * // => 4\n     *\n     * _.result(object, 'a.b.c', 'default');\n     * // => 'default'\n     *\n     * _.result(object, 'a.b.c', _.constant('default'));\n     * // => 'default'\n     */\n    function result(object, path, defaultValue) {\n      var result = object == null ? undefined : object[path];\n      if (result === undefined) {\n        if (object != null && !isKey(path, object)) {\n          path = toPath(path);\n          object = path.length == 1 ? object : baseGet(object, baseSlice(path, 0, -1));\n          result = object == null ? undefined : object[last(path)];\n        }\n        result = result === undefined ? defaultValue : result;\n      }\n      return isFunction(result) ? result.call(object) : result;\n    }\n\n    /**\n     * Sets the property value of `path` on `object`. If a portion of `path`\n     * does not exist it is created.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to augment.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.set(object, 'a[0].b.c', 4);\n     * console.log(object.a[0].b.c);\n     * // => 4\n     *\n     * _.set(object, 'x[0].y.z', 5);\n     * console.log(object.x[0].y.z);\n     * // => 5\n     */\n    function set(object, path, value) {\n      if (object == null) {\n        return object;\n      }\n      var pathKey = (path + '');\n      path = (object[pathKey] != null || isKey(path, object)) ? [pathKey] : toPath(path);\n\n      var index = -1,\n          length = path.length,\n          lastIndex = length - 1,\n          nested = object;\n\n      while (nested != null && ++index < length) {\n        var key = path[index];\n        if (isObject(nested)) {\n          if (index == lastIndex) {\n            nested[key] = value;\n          } else if (nested[key] == null) {\n            nested[key] = isIndex(path[index + 1]) ? [] : {};\n          }\n        }\n        nested = nested[key];\n      }\n      return object;\n    }\n\n    /**\n     * An alternative to `_.reduce`; this method transforms `object` to a new\n     * `accumulator` object which is the result of running each of its own enumerable\n     * properties through `iteratee`, with each invocation potentially mutating\n     * the `accumulator` object. The `iteratee` is bound to `thisArg` and invoked\n     * with four arguments: (accumulator, value, key, object). Iteratee functions\n     * may exit iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Array|Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The custom accumulator value.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {*} Returns the accumulated value.\n     * @example\n     *\n     * _.transform([2, 3, 4], function(result, n) {\n     *   result.push(n *= n);\n     *   return n % 2 == 0;\n     * });\n     * // => [4, 9]\n     *\n     * _.transform({ 'a': 1, 'b': 2 }, function(result, n, key) {\n     *   result[key] = n * 3;\n     * });\n     * // => { 'a': 3, 'b': 6 }\n     */\n    function transform(object, iteratee, accumulator, thisArg) {\n      var isArr = isArray(object) || isTypedArray(object);\n      iteratee = getCallback(iteratee, thisArg, 4);\n\n      if (accumulator == null) {\n        if (isArr || isObject(object)) {\n          var Ctor = object.constructor;\n          if (isArr) {\n            accumulator = isArray(object) ? new Ctor : [];\n          } else {\n            accumulator = baseCreate(isFunction(Ctor) ? Ctor.prototype : undefined);\n          }\n        } else {\n          accumulator = {};\n        }\n      }\n      (isArr ? arrayEach : baseForOwn)(object, function(value, index, object) {\n        return iteratee(accumulator, value, index, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * Creates an array of the own enumerable property values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.values(new Foo);\n     * // => [1, 2] (iteration order is not guaranteed)\n     *\n     * _.values('hi');\n     * // => ['h', 'i']\n     */\n    function values(object) {\n      return baseValues(object, keys(object));\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable property values\n     * of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.valuesIn(new Foo);\n     * // => [1, 2, 3] (iteration order is not guaranteed)\n     */\n    function valuesIn(object) {\n      return baseValues(object, keysIn(object));\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Checks if `n` is between `start` and up to but not including, `end`. If\n     * `end` is not specified it is set to `start` with `start` then set to `0`.\n     *\n     * @static\n     * @memberOf _\n     * @category Number\n     * @param {number} n The number to check.\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `n` is in the range, else `false`.\n     * @example\n     *\n     * _.inRange(3, 2, 4);\n     * // => true\n     *\n     * _.inRange(4, 8);\n     * // => true\n     *\n     * _.inRange(4, 2);\n     * // => false\n     *\n     * _.inRange(2, 2);\n     * // => false\n     *\n     * _.inRange(1.2, 2);\n     * // => true\n     *\n     * _.inRange(5.2, 4);\n     * // => false\n     */\n    function inRange(value, start, end) {\n      start = +start || 0;\n      if (end === undefined) {\n        end = start;\n        start = 0;\n      } else {\n        end = +end || 0;\n      }\n      return value >= nativeMin(start, end) && value < nativeMax(start, end);\n    }\n\n    /**\n     * Produces a random number between `min` and `max` (inclusive). If only one\n     * argument is provided a number between `0` and the given number is returned.\n     * If `floating` is `true`, or either `min` or `max` are floats, a floating-point\n     * number is returned instead of an integer.\n     *\n     * @static\n     * @memberOf _\n     * @category Number\n     * @param {number} [min=0] The minimum possible value.\n     * @param {number} [max=1] The maximum possible value.\n     * @param {boolean} [floating] Specify returning a floating-point number.\n     * @returns {number} Returns the random number.\n     * @example\n     *\n     * _.random(0, 5);\n     * // => an integer between 0 and 5\n     *\n     * _.random(5);\n     * // => also an integer between 0 and 5\n     *\n     * _.random(5, true);\n     * // => a floating-point number between 0 and 5\n     *\n     * _.random(1.2, 5.2);\n     * // => a floating-point number between 1.2 and 5.2\n     */\n    function random(min, max, floating) {\n      if (floating && isIterateeCall(min, max, floating)) {\n        max = floating = undefined;\n      }\n      var noMin = min == null,\n          noMax = max == null;\n\n      if (floating == null) {\n        if (noMax && typeof min == 'boolean') {\n          floating = min;\n          min = 1;\n        }\n        else if (typeof max == 'boolean') {\n          floating = max;\n          noMax = true;\n        }\n      }\n      if (noMin && noMax) {\n        max = 1;\n        noMax = false;\n      }\n      min = +min || 0;\n      if (noMax) {\n        max = min;\n        min = 0;\n      } else {\n        max = +max || 0;\n      }\n      if (floating || min % 1 || max % 1) {\n        var rand = nativeRandom();\n        return nativeMin(min + (rand * (max - min + parseFloat('1e-' + ((rand + '').length - 1)))), max);\n      }\n      return baseRandom(min, max);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n     *\n     * @static\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the camel cased string.\n     * @example\n     *\n     * _.camelCase('Foo Bar');\n     * // => 'fooBar'\n     *\n     * _.camelCase('--foo-bar');\n     * // => 'fooBar'\n     *\n     * _.camelCase('__foo_bar__');\n     * // => 'fooBar'\n     */\n    var camelCase = createCompounder(function(result, word, index) {\n      word = word.toLowerCase();\n      return result + (index ? (word.charAt(0).toUpperCase() + word.slice(1)) : word);\n    });\n\n    /**\n     * Capitalizes the first character of `string`.\n     *\n     * @static\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to capitalize.\n     * @returns {string} Returns the capitalized string.\n     * @example\n     *\n     * _.capitalize('fred');\n     * // => 'Fred'\n     */\n    function capitalize(string) {\n      string = baseToString(string);\n      return string && (string.charAt(0).toUpperCase() + string.slice(1));\n    }\n\n    /**\n     * Deburrs `string` by converting [latin-1 supplementary letters](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n     * to basic latin letters and removing [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n     *\n     * @static\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to deburr.\n     * @returns {string} Returns the deburred string.\n     * @example\n     *\n     * _.deburr('déjà vu');\n     * // => 'deja vu'\n     */\n    function deburr(string) {\n      string = baseToString(string);\n      return string && string.replace(reLatin1, deburrLetter).replace(reComboMark, '');\n    }\n\n    /**\n     * Checks if `string` ends with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to search.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=string.length] The position to search from.\n     * @returns {boolean} Returns `true` if `string` ends with `target`, else `false`.\n     * @example\n     *\n     * _.endsWith('abc', 'c');\n     * // => true\n     *\n     * _.endsWith('abc', 'b');\n     * // => false\n     *\n     * _.endsWith('abc', 'b', 2);\n     * // => true\n     */\n    function endsWith(string, target, position) {\n      string = baseToString(string);\n      target = (target + '');\n\n      var length = string.length;\n      position = position === undefined\n        ? length\n        : nativeMin(position < 0 ? 0 : (+position || 0), length);\n\n      position -= target.length;\n      return position >= 0 && string.indexOf(target, position) == position;\n    }\n\n    /**\n     * Converts the characters \"&\", \"<\", \">\", '\"', \"'\", and \"\\`\", in `string` to\n     * their corresponding HTML entities.\n     *\n     * **Note:** No other characters are escaped. To escape additional characters\n     * use a third-party library like [_he_](https://mths.be/he).\n     *\n     * Though the \">\" character is escaped for symmetry, characters like\n     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n     * unless they're part of a tag or unquoted attribute value.\n     * See [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n     * (under \"semi-related fun fact\") for more details.\n     *\n     * Backticks are escaped because in Internet Explorer < 9, they can break out\n     * of attribute values or HTML comments. See [#59](https://html5sec.org/#59),\n     * [#102](https://html5sec.org/#102), [#108](https://html5sec.org/#108), and\n     * [#133](https://html5sec.org/#133) of the [HTML5 Security Cheatsheet](https://html5sec.org/)\n     * for more details.\n     *\n     * When working with HTML you should always [quote attribute values](http://wonko.com/post/html-escaping)\n     * to reduce XSS vectors.\n     *\n     * @static\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escape('fred, barney, & pebbles');\n     * // => 'fred, barney, &amp; pebbles'\n     */\n    function escape(string) {\n      // Reset `lastIndex` because in IE < 9 `String#replace` does not.\n      string = baseToString(string);\n      return (string && reHasUnescapedHtml.test(string))\n        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Escapes the `RegExp` special characters \"\\\", \"/\", \"^\", \"$\", \".\", \"|\", \"?\",\n     * \"*\", \"+\", \"(\", \")\", \"[\", \"]\", \"{\" and \"}\" in `string`.\n     *\n     * @static\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escapeRegExp('[lodash](https://lodash.com/)');\n     * // => '\\[lodash\\]\\(https:\\/\\/lodash\\.com\\/\\)'\n     */\n    function escapeRegExp(string) {\n      string = baseToString(string);\n      return (string && reHasRegExpChars.test(string))\n        ? string.replace(reRegExpChars, escapeRegExpChar)\n        : (string || '(?:)');\n    }\n\n    /**\n     * Converts `string` to [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n     *\n     * @static\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the kebab cased string.\n     * @example\n     *\n     * _.kebabCase('Foo Bar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('fooBar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('__foo_bar__');\n     * // => 'foo-bar'\n     */\n    var kebabCase = createCompounder(function(result, word, index) {\n      return result + (index ? '-' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Pads `string` on the left and right sides if it's shorter than `length`.\n     * Padding characters are truncated if they can't be evenly divided by `length`.\n     *\n     * @static\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.pad('abc', 8);\n     * // => '  abc   '\n     *\n     * _.pad('abc', 8, '_-');\n     * // => '_-abc_-_'\n     *\n     * _.pad('abc', 3);\n     * // => 'abc'\n     */\n    function pad(string, length, chars) {\n      string = baseToString(string);\n      length = +length;\n\n      var strLength = string.length;\n      if (strLength >= length || !nativeIsFinite(length)) {\n        return string;\n      }\n      var mid = (length - strLength) / 2,\n          leftLength = nativeFloor(mid),\n          rightLength = nativeCeil(mid);\n\n      chars = createPadding('', rightLength, chars);\n      return chars.slice(0, leftLength) + string + chars;\n    }\n\n    /**\n     * Pads `string` on the left side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padLeft('abc', 6);\n     * // => '   abc'\n     *\n     * _.padLeft('abc', 6, '_-');\n     * // => '_-_abc'\n     *\n     * _.padLeft('abc', 3);\n     * // => 'abc'\n     */\n    var padLeft = createPadDir();\n\n    /**\n     * Pads `string` on the right side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padRight('abc', 6);\n     * // => 'abc   '\n     *\n     * _.padRight('abc', 6, '_-');\n     * // => 'abc_-_'\n     *\n     * _.padRight('abc', 3);\n     * // => 'abc'\n     */\n    var padRight = createPadDir(true);\n\n    /**\n     * Converts `string` to an integer of the specified radix. If `radix` is\n     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a hexadecimal,\n     * in which case a `radix` of `16` is used.\n     *\n     * **Note:** This method aligns with the [ES5 implementation](https://es5.github.io/#E)\n     * of `parseInt`.\n     *\n     * @static\n     * @memberOf _\n     * @category String\n     * @param {string} string The string to convert.\n     * @param {number} [radix] The radix to interpret `value` by.\n     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.parseInt('08');\n     * // => 8\n     *\n     * _.map(['6', '08', '10'], _.parseInt);\n     * // => [6, 8, 10]\n     */\n    function parseInt(string, radix, guard) {\n      // Firefox < 21 and Opera < 15 follow ES3 for `parseInt`.\n      // Chrome fails to trim leading <BOM> whitespace characters.\n      // See https://code.google.com/p/v8/issues/detail?id=3109 for more details.\n      if (guard ? isIterateeCall(string, radix, guard) : radix == null) {\n        radix = 0;\n      } else if (radix) {\n        radix = +radix;\n      }\n      string = trim(string);\n      return nativeParseInt(string, radix || (reHasHexPrefix.test(string) ? 16 : 10));\n    }\n\n    /**\n     * Repeats the given string `n` times.\n     *\n     * @static\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to repeat.\n     * @param {number} [n=0] The number of times to repeat the string.\n     * @returns {string} Returns the repeated string.\n     * @example\n     *\n     * _.repeat('*', 3);\n     * // => '***'\n     *\n     * _.repeat('abc', 2);\n     * // => 'abcabc'\n     *\n     * _.repeat('abc', 0);\n     * // => ''\n     */\n    function repeat(string, n) {\n      var result = '';\n      string = baseToString(string);\n      n = +n;\n      if (n < 1 || !string || !nativeIsFinite(n)) {\n        return result;\n      }\n      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n      do {\n        if (n % 2) {\n          result += string;\n        }\n        n = nativeFloor(n / 2);\n        string += string;\n      } while (n);\n\n      return result;\n    }\n\n    /**\n     * Converts `string` to [snake case](https://en.wikipedia.org/wiki/Snake_case).\n     *\n     * @static\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the snake cased string.\n     * @example\n     *\n     * _.snakeCase('Foo Bar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('fooBar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('--foo-bar');\n     * // => 'foo_bar'\n     */\n    var snakeCase = createCompounder(function(result, word, index) {\n      return result + (index ? '_' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts `string` to [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n     *\n     * @static\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the start cased string.\n     * @example\n     *\n     * _.startCase('--foo-bar');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('fooBar');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('__foo_bar__');\n     * // => 'Foo Bar'\n     */\n    var startCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + (word.charAt(0).toUpperCase() + word.slice(1));\n    });\n\n    /**\n     * Checks if `string` starts with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to search.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=0] The position to search from.\n     * @returns {boolean} Returns `true` if `string` starts with `target`, else `false`.\n     * @example\n     *\n     * _.startsWith('abc', 'a');\n     * // => true\n     *\n     * _.startsWith('abc', 'b');\n     * // => false\n     *\n     * _.startsWith('abc', 'b', 1);\n     * // => true\n     */\n    function startsWith(string, target, position) {\n      string = baseToString(string);\n      position = position == null\n        ? 0\n        : nativeMin(position < 0 ? 0 : (+position || 0), string.length);\n\n      return string.lastIndexOf(target, position) == position;\n    }\n\n    /**\n     * Creates a compiled template function that can interpolate data properties\n     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n     * properties may be accessed as free variables in the template. If a setting\n     * object is provided it takes precedence over `_.templateSettings` values.\n     *\n     * **Note:** In the development build `_.template` utilizes\n     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n     * for easier debugging.\n     *\n     * For more information on precompiling templates see\n     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n     *\n     * For more information on Chrome extension sandboxes see\n     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n     *\n     * @static\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The template string.\n     * @param {Object} [options] The options object.\n     * @param {RegExp} [options.escape] The HTML \"escape\" delimiter.\n     * @param {RegExp} [options.evaluate] The \"evaluate\" delimiter.\n     * @param {Object} [options.imports] An object to import into the template as free variables.\n     * @param {RegExp} [options.interpolate] The \"interpolate\" delimiter.\n     * @param {string} [options.sourceURL] The sourceURL of the template's compiled source.\n     * @param {string} [options.variable] The data object variable name.\n     * @param- {Object} [otherOptions] Enables the legacy `options` param signature.\n     * @returns {Function} Returns the compiled template function.\n     * @example\n     *\n     * // using the \"interpolate\" delimiter to create a compiled template\n     * var compiled = _.template('hello <%= user %>!');\n     * compiled({ 'user': 'fred' });\n     * // => 'hello fred!'\n     *\n     * // using the HTML \"escape\" delimiter to escape data property values\n     * var compiled = _.template('<b><%- value %></b>');\n     * compiled({ 'value': '<script>' });\n     * // => '<b>&lt;script&gt;</b>'\n     *\n     * // using the \"evaluate\" delimiter to execute JavaScript and generate HTML\n     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // using the internal `print` function in \"evaluate\" delimiters\n     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n     * compiled({ 'user': 'barney' });\n     * // => 'hello barney!'\n     *\n     * // using the ES delimiter as an alternative to the default \"interpolate\" delimiter\n     * var compiled = _.template('hello ${ user }!');\n     * compiled({ 'user': 'pebbles' });\n     * // => 'hello pebbles!'\n     *\n     * // using custom template delimiters\n     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n     * var compiled = _.template('hello {{ user }}!');\n     * compiled({ 'user': 'mustache' });\n     * // => 'hello mustache!'\n     *\n     * // using backslashes to treat delimiters as plain text\n     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n     * compiled({ 'value': 'ignored' });\n     * // => '<%- value %>'\n     *\n     * // using the `imports` option to import `jQuery` as `jq`\n     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // using the `sourceURL` option to specify a custom sourceURL for the template\n     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n     * compiled(data);\n     * // => find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector\n     *\n     * // using the `variable` option to ensure a with-statement isn't used in the compiled template\n     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n     * compiled.source;\n     * // => function(data) {\n     * //   var __t, __p = '';\n     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n     * //   return __p;\n     * // }\n     *\n     * // using the `source` property to inline compiled templates for meaningful\n     * // line numbers in error messages and a stack trace\n     * fs.writeFileSync(path.join(cwd, 'jst.js'), '\\\n     *   var JST = {\\\n     *     \"main\": ' + _.template(mainText).source + '\\\n     *   };\\\n     * ');\n     */\n    function template(string, options, otherOptions) {\n      // Based on John Resig's `tmpl` implementation (http://ejohn.org/blog/javascript-micro-templating/)\n      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n      var settings = lodash.templateSettings;\n\n      if (otherOptions && isIterateeCall(string, options, otherOptions)) {\n        options = otherOptions = undefined;\n      }\n      string = baseToString(string);\n      options = assignWith(baseAssign({}, otherOptions || options), settings, assignOwnDefaults);\n\n      var imports = assignWith(baseAssign({}, options.imports), settings.imports, assignOwnDefaults),\n          importsKeys = keys(imports),\n          importsValues = baseValues(imports, importsKeys);\n\n      var isEscaping,\n          isEvaluating,\n          index = 0,\n          interpolate = options.interpolate || reNoMatch,\n          source = \"__p += '\";\n\n      // Compile the regexp to match each delimiter.\n      var reDelimiters = RegExp(\n        (options.escape || reNoMatch).source + '|' +\n        interpolate.source + '|' +\n        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n        (options.evaluate || reNoMatch).source + '|$'\n      , 'g');\n\n      // Use a sourceURL for easier debugging.\n      var sourceURL = '//# sourceURL=' +\n        ('sourceURL' in options\n          ? options.sourceURL\n          : ('lodash.templateSources[' + (++templateCounter) + ']')\n        ) + '\\n';\n\n      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n        interpolateValue || (interpolateValue = esTemplateValue);\n\n        // Escape characters that can't be included in string literals.\n        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\n        // Replace delimiters with snippets.\n        if (escapeValue) {\n          isEscaping = true;\n          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n        }\n        if (evaluateValue) {\n          isEvaluating = true;\n          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n        }\n        if (interpolateValue) {\n          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n        }\n        index = offset + match.length;\n\n        // The JS engine embedded in Adobe products requires returning the `match`\n        // string in order to produce the correct `offset` value.\n        return match;\n      });\n\n      source += \"';\\n\";\n\n      // If `variable` is not specified wrap a with-statement around the generated\n      // code to add the data object to the top of the scope chain.\n      var variable = options.variable;\n      if (!variable) {\n        source = 'with (obj) {\\n' + source + '\\n}\\n';\n      }\n      // Cleanup code by stripping empty strings.\n      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n        .replace(reEmptyStringMiddle, '$1')\n        .replace(reEmptyStringTrailing, '$1;');\n\n      // Frame code as the function body.\n      source = 'function(' + (variable || 'obj') + ') {\\n' +\n        (variable\n          ? ''\n          : 'obj || (obj = {});\\n'\n        ) +\n        \"var __t, __p = ''\" +\n        (isEscaping\n           ? ', __e = _.escape'\n           : ''\n        ) +\n        (isEvaluating\n          ? ', __j = Array.prototype.join;\\n' +\n            \"function print() { __p += __j.call(arguments, '') }\\n\"\n          : ';\\n'\n        ) +\n        source +\n        'return __p\\n}';\n\n      var result = attempt(function() {\n        return Function(importsKeys, sourceURL + 'return ' + source).apply(undefined, importsValues);\n      });\n\n      // Provide the compiled function's source by its `toString` method or\n      // the `source` property as a convenience for inlining compiled templates.\n      result.source = source;\n      if (isError(result)) {\n        throw result;\n      }\n      return result;\n    }\n\n    /**\n     * Removes leading and trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trim('  abc  ');\n     * // => 'abc'\n     *\n     * _.trim('-_-abc-_-', '_-');\n     * // => 'abc'\n     *\n     * _.map(['  foo  ', '  bar  '], _.trim);\n     * // => ['foo', 'bar']\n     */\n    function trim(string, chars, guard) {\n      var value = string;\n      string = baseToString(string);\n      if (!string) {\n        return string;\n      }\n      if (guard ? isIterateeCall(value, chars, guard) : chars == null) {\n        return string.slice(trimmedLeftIndex(string), trimmedRightIndex(string) + 1);\n      }\n      chars = (chars + '');\n      return string.slice(charsLeftIndex(string, chars), charsRightIndex(string, chars) + 1);\n    }\n\n    /**\n     * Removes leading whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimLeft('  abc  ');\n     * // => 'abc  '\n     *\n     * _.trimLeft('-_-abc-_-', '_-');\n     * // => 'abc-_-'\n     */\n    function trimLeft(string, chars, guard) {\n      var value = string;\n      string = baseToString(string);\n      if (!string) {\n        return string;\n      }\n      if (guard ? isIterateeCall(value, chars, guard) : chars == null) {\n        return string.slice(trimmedLeftIndex(string));\n      }\n      return string.slice(charsLeftIndex(string, (chars + '')));\n    }\n\n    /**\n     * Removes trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimRight('  abc  ');\n     * // => '  abc'\n     *\n     * _.trimRight('-_-abc-_-', '_-');\n     * // => '-_-abc'\n     */\n    function trimRight(string, chars, guard) {\n      var value = string;\n      string = baseToString(string);\n      if (!string) {\n        return string;\n      }\n      if (guard ? isIterateeCall(value, chars, guard) : chars == null) {\n        return string.slice(0, trimmedRightIndex(string) + 1);\n      }\n      return string.slice(0, charsRightIndex(string, (chars + '')) + 1);\n    }\n\n    /**\n     * Truncates `string` if it's longer than the given maximum string length.\n     * The last characters of the truncated string are replaced with the omission\n     * string which defaults to \"...\".\n     *\n     * @static\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to truncate.\n     * @param {Object|number} [options] The options object or maximum string length.\n     * @param {number} [options.length=30] The maximum string length.\n     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.\n     * @returns {string} Returns the truncated string.\n     * @example\n     *\n     * _.trunc('hi-diddly-ho there, neighborino');\n     * // => 'hi-diddly-ho there, neighbo...'\n     *\n     * _.trunc('hi-diddly-ho there, neighborino', 24);\n     * // => 'hi-diddly-ho there, n...'\n     *\n     * _.trunc('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': ' '\n     * });\n     * // => 'hi-diddly-ho there,...'\n     *\n     * _.trunc('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': /,? +/\n     * });\n     * // => 'hi-diddly-ho there...'\n     *\n     * _.trunc('hi-diddly-ho there, neighborino', {\n     *   'omission': ' [...]'\n     * });\n     * // => 'hi-diddly-ho there, neig [...]'\n     */\n    function trunc(string, options, guard) {\n      if (guard && isIterateeCall(string, options, guard)) {\n        options = undefined;\n      }\n      var length = DEFAULT_TRUNC_LENGTH,\n          omission = DEFAULT_TRUNC_OMISSION;\n\n      if (options != null) {\n        if (isObject(options)) {\n          var separator = 'separator' in options ? options.separator : separator;\n          length = 'length' in options ? (+options.length || 0) : length;\n          omission = 'omission' in options ? baseToString(options.omission) : omission;\n        } else {\n          length = +options || 0;\n        }\n      }\n      string = baseToString(string);\n      if (length >= string.length) {\n        return string;\n      }\n      var end = length - omission.length;\n      if (end < 1) {\n        return omission;\n      }\n      var result = string.slice(0, end);\n      if (separator == null) {\n        return result + omission;\n      }\n      if (isRegExp(separator)) {\n        if (string.slice(end).search(separator)) {\n          var match,\n              newEnd,\n              substring = string.slice(0, end);\n\n          if (!separator.global) {\n            separator = RegExp(separator.source, (reFlags.exec(separator) || '') + 'g');\n          }\n          separator.lastIndex = 0;\n          while ((match = separator.exec(substring))) {\n            newEnd = match.index;\n          }\n          result = result.slice(0, newEnd == null ? end : newEnd);\n        }\n      } else if (string.indexOf(separator, end) != end) {\n        var index = result.lastIndexOf(separator);\n        if (index > -1) {\n          result = result.slice(0, index);\n        }\n      }\n      return result + omission;\n    }\n\n    /**\n     * The inverse of `_.escape`; this method converts the HTML entities\n     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, `&#39;`, and `&#96;` in `string` to their\n     * corresponding characters.\n     *\n     * **Note:** No other HTML entities are unescaped. To unescape additional HTML\n     * entities use a third-party library like [_he_](https://mths.be/he).\n     *\n     * @static\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to unescape.\n     * @returns {string} Returns the unescaped string.\n     * @example\n     *\n     * _.unescape('fred, barney, &amp; pebbles');\n     * // => 'fred, barney, & pebbles'\n     */\n    function unescape(string) {\n      string = baseToString(string);\n      return (string && reHasEscapedHtml.test(string))\n        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Splits `string` into an array of its words.\n     *\n     * @static\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {RegExp|string} [pattern] The pattern to match words.\n     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.\n     * @returns {Array} Returns the words of `string`.\n     * @example\n     *\n     * _.words('fred, barney, & pebbles');\n     * // => ['fred', 'barney', 'pebbles']\n     *\n     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n     * // => ['fred', 'barney', '&', 'pebbles']\n     */\n    function words(string, pattern, guard) {\n      if (guard && isIterateeCall(string, pattern, guard)) {\n        pattern = undefined;\n      }\n      string = baseToString(string);\n      return string.match(pattern || reWords) || [];\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Attempts to invoke `func`, returning either the result or the caught error\n     * object. Any additional arguments are provided to `func` when it is invoked.\n     *\n     * @static\n     * @memberOf _\n     * @category Utility\n     * @param {Function} func The function to attempt.\n     * @returns {*} Returns the `func` result or error object.\n     * @example\n     *\n     * // avoid throwing errors for invalid selectors\n     * var elements = _.attempt(function(selector) {\n     *   return document.querySelectorAll(selector);\n     * }, '>_>');\n     *\n     * if (_.isError(elements)) {\n     *   elements = [];\n     * }\n     */\n    var attempt = restParam(function(func, args) {\n      try {\n        return func.apply(undefined, args);\n      } catch(e) {\n        return isError(e) ? e : new Error(e);\n      }\n    });\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n     * and arguments of the created function. If `func` is a property name the\n     * created callback returns the property value for a given element. If `func`\n     * is an object the created callback returns `true` for elements that contain\n     * the equivalent object properties, otherwise it returns `false`.\n     *\n     * @static\n     * @memberOf _\n     * @alias iteratee\n     * @category Utility\n     * @param {*} [func=_.identity] The value to convert to a callback.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.\n     * @returns {Function} Returns the callback.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 }\n     * ];\n     *\n     * // wrap to create custom callback shorthands\n     * _.callback = _.wrap(_.callback, function(callback, func, thisArg) {\n     *   var match = /^(.+?)__([gl]t)(.+)$/.exec(func);\n     *   if (!match) {\n     *     return callback(func, thisArg);\n     *   }\n     *   return function(object) {\n     *     return match[2] == 'gt'\n     *       ? object[match[1]] > match[3]\n     *       : object[match[1]] < match[3];\n     *   };\n     * });\n     *\n     * _.filter(users, 'age__gt36');\n     * // => [{ 'user': 'fred', 'age': 40 }]\n     */\n    function callback(func, thisArg, guard) {\n      if (guard && isIterateeCall(func, thisArg, guard)) {\n        thisArg = undefined;\n      }\n      return isObjectLike(func)\n        ? matches(func)\n        : baseCallback(func, thisArg);\n    }\n\n    /**\n     * Creates a function that returns `value`.\n     *\n     * @static\n     * @memberOf _\n     * @category Utility\n     * @param {*} value The value to return from the new function.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var object = { 'user': 'fred' };\n     * var getter = _.constant(object);\n     *\n     * getter() === object;\n     * // => true\n     */\n    function constant(value) {\n      return function() {\n        return value;\n      };\n    }\n\n    /**\n     * This method returns the first argument provided to it.\n     *\n     * @static\n     * @memberOf _\n     * @category Utility\n     * @param {*} value Any value.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * var object = { 'user': 'fred' };\n     *\n     * _.identity(object) === object;\n     * // => true\n     */\n    function identity(value) {\n      return value;\n    }\n\n    /**\n     * Creates a function that performs a deep comparison between a given object\n     * and `source`, returning `true` if the given object has equivalent property\n     * values, else `false`.\n     *\n     * **Note:** This method supports comparing arrays, booleans, `Date` objects,\n     * numbers, `Object` objects, regexes, and strings. Objects are compared by\n     * their own, not inherited, enumerable properties. For comparing a single\n     * own or inherited property value see `_.matchesProperty`.\n     *\n     * @static\n     * @memberOf _\n     * @category Utility\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * _.filter(users, _.matches({ 'age': 40, 'active': false }));\n     * // => [{ 'user': 'fred', 'age': 40, 'active': false }]\n     */\n    function matches(source) {\n      return baseMatches(baseClone(source, true));\n    }\n\n    /**\n     * Creates a function that compares the property value of `path` on a given\n     * object to `value`.\n     *\n     * **Note:** This method supports comparing arrays, booleans, `Date` objects,\n     * numbers, `Object` objects, regexes, and strings. Objects are compared by\n     * their own, not inherited, enumerable properties.\n     *\n     * @static\n     * @memberOf _\n     * @category Utility\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney' },\n     *   { 'user': 'fred' }\n     * ];\n     *\n     * _.find(users, _.matchesProperty('user', 'fred'));\n     * // => { 'user': 'fred' }\n     */\n    function matchesProperty(path, srcValue) {\n      return baseMatchesProperty(path, baseClone(srcValue, true));\n    }\n\n    /**\n     * Creates a function that invokes the method at `path` on a given object.\n     * Any additional arguments are provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @category Utility\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': { 'c': _.constant(2) } } },\n     *   { 'a': { 'b': { 'c': _.constant(1) } } }\n     * ];\n     *\n     * _.map(objects, _.method('a.b.c'));\n     * // => [2, 1]\n     *\n     * _.invoke(_.sortBy(objects, _.method(['a', 'b', 'c'])), 'a.b.c');\n     * // => [1, 2]\n     */\n    var method = restParam(function(path, args) {\n      return function(object) {\n        return invokePath(object, path, args);\n      };\n    });\n\n    /**\n     * The opposite of `_.method`; this method creates a function that invokes\n     * the method at a given path on `object`. Any additional arguments are\n     * provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @category Utility\n     * @param {Object} object The object to query.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var array = _.times(3, _.constant),\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n     * // => [2, 0]\n     */\n    var methodOf = restParam(function(object, args) {\n      return function(path) {\n        return invokePath(object, path, args);\n      };\n    });\n\n    /**\n     * Adds all own enumerable function properties of a source object to the\n     * destination object. If `object` is a function then methods are added to\n     * its prototype as well.\n     *\n     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n     * avoid conflicts caused by modifying the original.\n     *\n     * @static\n     * @memberOf _\n     * @category Utility\n     * @param {Function|Object} [object=lodash] The destination object.\n     * @param {Object} source The object of functions to add.\n     * @param {Object} [options] The options object.\n     * @param {boolean} [options.chain=true] Specify whether the functions added\n     *  are chainable.\n     * @returns {Function|Object} Returns `object`.\n     * @example\n     *\n     * function vowels(string) {\n     *   return _.filter(string, function(v) {\n     *     return /[aeiou]/i.test(v);\n     *   });\n     * }\n     *\n     * _.mixin({ 'vowels': vowels });\n     * _.vowels('fred');\n     * // => ['e']\n     *\n     * _('fred').vowels().value();\n     * // => ['e']\n     *\n     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n     * _('fred').vowels();\n     * // => ['e']\n     */\n    function mixin(object, source, options) {\n      if (options == null) {\n        var isObj = isObject(source),\n            props = isObj ? keys(source) : undefined,\n            methodNames = (props && props.length) ? baseFunctions(source, props) : undefined;\n\n        if (!(methodNames ? methodNames.length : isObj)) {\n          methodNames = false;\n          options = source;\n          source = object;\n          object = this;\n        }\n      }\n      if (!methodNames) {\n        methodNames = baseFunctions(source, keys(source));\n      }\n      var chain = true,\n          index = -1,\n          isFunc = isFunction(object),\n          length = methodNames.length;\n\n      if (options === false) {\n        chain = false;\n      } else if (isObject(options) && 'chain' in options) {\n        chain = options.chain;\n      }\n      while (++index < length) {\n        var methodName = methodNames[index],\n            func = source[methodName];\n\n        object[methodName] = func;\n        if (isFunc) {\n          object.prototype[methodName] = (function(func) {\n            return function() {\n              var chainAll = this.__chain__;\n              if (chain || chainAll) {\n                var result = object(this.__wrapped__),\n                    actions = result.__actions__ = arrayCopy(this.__actions__);\n\n                actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n                result.__chain__ = chainAll;\n                return result;\n              }\n              return func.apply(object, arrayPush([this.value()], arguments));\n            };\n          }(func));\n        }\n      }\n      return object;\n    }\n\n    /**\n     * Reverts the `_` variable to its previous value and returns a reference to\n     * the `lodash` function.\n     *\n     * @static\n     * @memberOf _\n     * @category Utility\n     * @returns {Function} Returns the `lodash` function.\n     * @example\n     *\n     * var lodash = _.noConflict();\n     */\n    function noConflict() {\n      root._ = oldDash;\n      return this;\n    }\n\n    /**\n     * A no-operation function that returns `undefined` regardless of the\n     * arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @category Utility\n     * @example\n     *\n     * var object = { 'user': 'fred' };\n     *\n     * _.noop(object) === undefined;\n     * // => true\n     */\n    function noop() {\n      // No operation performed.\n    }\n\n    /**\n     * Creates a function that returns the property value at `path` on a\n     * given object.\n     *\n     * @static\n     * @memberOf _\n     * @category Utility\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': { 'c': 2 } } },\n     *   { 'a': { 'b': { 'c': 1 } } }\n     * ];\n     *\n     * _.map(objects, _.property('a.b.c'));\n     * // => [2, 1]\n     *\n     * _.pluck(_.sortBy(objects, _.property(['a', 'b', 'c'])), 'a.b.c');\n     * // => [1, 2]\n     */\n    function property(path) {\n      return isKey(path) ? baseProperty(path) : basePropertyDeep(path);\n    }\n\n    /**\n     * The opposite of `_.property`; this method creates a function that returns\n     * the property value at a given path on `object`.\n     *\n     * @static\n     * @memberOf _\n     * @category Utility\n     * @param {Object} object The object to query.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var array = [0, 1, 2],\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n     * // => [2, 0]\n     */\n    function propertyOf(object) {\n      return function(path) {\n        return baseGet(object, toPath(path), path + '');\n      };\n    }\n\n    /**\n     * Creates an array of numbers (positive and/or negative) progressing from\n     * `start` up to, but not including, `end`. If `end` is not specified it is\n     * set to `start` with `start` then set to `0`. If `end` is less than `start`\n     * a zero-length range is created unless a negative `step` is specified.\n     *\n     * @static\n     * @memberOf _\n     * @category Utility\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the new array of numbers.\n     * @example\n     *\n     * _.range(4);\n     * // => [0, 1, 2, 3]\n     *\n     * _.range(1, 5);\n     * // => [1, 2, 3, 4]\n     *\n     * _.range(0, 20, 5);\n     * // => [0, 5, 10, 15]\n     *\n     * _.range(0, -4, -1);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.range(0);\n     * // => []\n     */\n    function range(start, end, step) {\n      if (step && isIterateeCall(start, end, step)) {\n        end = step = undefined;\n      }\n      start = +start || 0;\n      step = step == null ? 1 : (+step || 0);\n\n      if (end == null) {\n        end = start;\n        start = 0;\n      } else {\n        end = +end || 0;\n      }\n      // Use `Array(length)` so engines like Chakra and V8 avoid slower modes.\n      // See https://youtu.be/XAqIpGU8ZZk#t=17m25s for more details.\n      var index = -1,\n          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n          result = Array(length);\n\n      while (++index < length) {\n        result[index] = start;\n        start += step;\n      }\n      return result;\n    }\n\n    /**\n     * Invokes the iteratee function `n` times, returning an array of the results\n     * of each invocation. The `iteratee` is bound to `thisArg` and invoked with\n     * one argument; (index).\n     *\n     * @static\n     * @memberOf _\n     * @category Utility\n     * @param {number} n The number of times to invoke `iteratee`.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * var diceRolls = _.times(3, _.partial(_.random, 1, 6, false));\n     * // => [3, 6, 4]\n     *\n     * _.times(3, function(n) {\n     *   mage.castSpell(n);\n     * });\n     * // => invokes `mage.castSpell(n)` three times with `n` of `0`, `1`, and `2`\n     *\n     * _.times(3, function(n) {\n     *   this.cast(n);\n     * }, mage);\n     * // => also invokes `mage.castSpell(n)` three times\n     */\n    function times(n, iteratee, thisArg) {\n      n = nativeFloor(n);\n\n      // Exit early to avoid a JSC JIT bug in Safari 8\n      // where `Array(0)` is treated as `Array(1)`.\n      if (n < 1 || !nativeIsFinite(n)) {\n        return [];\n      }\n      var index = -1,\n          result = Array(nativeMin(n, MAX_ARRAY_LENGTH));\n\n      iteratee = bindCallback(iteratee, thisArg, 1);\n      while (++index < n) {\n        if (index < MAX_ARRAY_LENGTH) {\n          result[index] = iteratee(index);\n        } else {\n          iteratee(index);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Generates a unique ID. If `prefix` is provided the ID is appended to it.\n     *\n     * @static\n     * @memberOf _\n     * @category Utility\n     * @param {string} [prefix] The value to prefix the ID with.\n     * @returns {string} Returns the unique ID.\n     * @example\n     *\n     * _.uniqueId('contact_');\n     * // => 'contact_104'\n     *\n     * _.uniqueId();\n     * // => '105'\n     */\n    function uniqueId(prefix) {\n      var id = ++idCounter;\n      return baseToString(prefix) + id;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Adds two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @category Math\n     * @param {number} augend The first number to add.\n     * @param {number} addend The second number to add.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * _.add(6, 4);\n     * // => 10\n     */\n    function add(augend, addend) {\n      return (+augend || 0) + (+addend || 0);\n    }\n\n    /**\n     * Calculates `n` rounded up to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @category Math\n     * @param {number} n The number to round up.\n     * @param {number} [precision=0] The precision to round up to.\n     * @returns {number} Returns the rounded up number.\n     * @example\n     *\n     * _.ceil(4.006);\n     * // => 5\n     *\n     * _.ceil(6.004, 2);\n     * // => 6.01\n     *\n     * _.ceil(6040, -2);\n     * // => 6100\n     */\n    var ceil = createRound('ceil');\n\n    /**\n     * Calculates `n` rounded down to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @category Math\n     * @param {number} n The number to round down.\n     * @param {number} [precision=0] The precision to round down to.\n     * @returns {number} Returns the rounded down number.\n     * @example\n     *\n     * _.floor(4.006);\n     * // => 4\n     *\n     * _.floor(0.046, 2);\n     * // => 0.04\n     *\n     * _.floor(4060, -2);\n     * // => 4000\n     */\n    var floor = createRound('floor');\n\n    /**\n     * Gets the maximum value of `collection`. If `collection` is empty or falsey\n     * `-Infinity` is returned. If an iteratee function is provided it is invoked\n     * for each value in `collection` to generate the criterion by which the value\n     * is ranked. The `iteratee` is bound to `thisArg` and invoked with three\n     * arguments: (value, index, collection).\n     *\n     * If a property name is provided for `iteratee` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `iteratee` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @category Math\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function|Object|string} [iteratee] The function invoked per iteration.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * _.max([4, 2, 8, 6]);\n     * // => 8\n     *\n     * _.max([]);\n     * // => -Infinity\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 }\n     * ];\n     *\n     * _.max(users, function(chr) {\n     *   return chr.age;\n     * });\n     * // => { 'user': 'fred', 'age': 40 }\n     *\n     * // using the `_.property` callback shorthand\n     * _.max(users, 'age');\n     * // => { 'user': 'fred', 'age': 40 }\n     */\n    var max = createExtremum(gt, NEGATIVE_INFINITY);\n\n    /**\n     * Gets the minimum value of `collection`. If `collection` is empty or falsey\n     * `Infinity` is returned. If an iteratee function is provided it is invoked\n     * for each value in `collection` to generate the criterion by which the value\n     * is ranked. The `iteratee` is bound to `thisArg` and invoked with three\n     * arguments: (value, index, collection).\n     *\n     * If a property name is provided for `iteratee` the created `_.property`\n     * style callback returns the property value of the given element.\n     *\n     * If a value is also provided for `thisArg` the created `_.matchesProperty`\n     * style callback returns `true` for elements that have a matching property\n     * value, else `false`.\n     *\n     * If an object is provided for `iteratee` the created `_.matches` style\n     * callback returns `true` for elements that have the properties of the given\n     * object, else `false`.\n     *\n     * @static\n     * @memberOf _\n     * @category Math\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function|Object|string} [iteratee] The function invoked per iteration.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * _.min([4, 2, 8, 6]);\n     * // => 2\n     *\n     * _.min([]);\n     * // => Infinity\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 }\n     * ];\n     *\n     * _.min(users, function(chr) {\n     *   return chr.age;\n     * });\n     * // => { 'user': 'barney', 'age': 36 }\n     *\n     * // using the `_.property` callback shorthand\n     * _.min(users, 'age');\n     * // => { 'user': 'barney', 'age': 36 }\n     */\n    var min = createExtremum(lt, POSITIVE_INFINITY);\n\n    /**\n     * Calculates `n` rounded to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @category Math\n     * @param {number} n The number to round.\n     * @param {number} [precision=0] The precision to round to.\n     * @returns {number} Returns the rounded number.\n     * @example\n     *\n     * _.round(4.006);\n     * // => 4\n     *\n     * _.round(4.006, 2);\n     * // => 4.01\n     *\n     * _.round(4060, -2);\n     * // => 4100\n     */\n    var round = createRound('round');\n\n    /**\n     * Gets the sum of the values in `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @category Math\n     * @param {Array|Object|string} collection The collection to iterate over.\n     * @param {Function|Object|string} [iteratee] The function invoked per iteration.\n     * @param {*} [thisArg] The `this` binding of `iteratee`.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * _.sum([4, 6]);\n     * // => 10\n     *\n     * _.sum({ 'a': 4, 'b': 6 });\n     * // => 10\n     *\n     * var objects = [\n     *   { 'n': 4 },\n     *   { 'n': 6 }\n     * ];\n     *\n     * _.sum(objects, function(object) {\n     *   return object.n;\n     * });\n     * // => 10\n     *\n     * // using the `_.property` callback shorthand\n     * _.sum(objects, 'n');\n     * // => 10\n     */\n    function sum(collection, iteratee, thisArg) {\n      if (thisArg && isIterateeCall(collection, iteratee, thisArg)) {\n        iteratee = undefined;\n      }\n      iteratee = getCallback(iteratee, thisArg, 3);\n      return iteratee.length == 1\n        ? arraySum(isArray(collection) ? collection : toIterable(collection), iteratee)\n        : baseSum(collection, iteratee);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    // Ensure wrappers are instances of `baseLodash`.\n    lodash.prototype = baseLodash.prototype;\n\n    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n    LodashWrapper.prototype.constructor = LodashWrapper;\n\n    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n    LazyWrapper.prototype.constructor = LazyWrapper;\n\n    // Add functions to the `Map` cache.\n    MapCache.prototype['delete'] = mapDelete;\n    MapCache.prototype.get = mapGet;\n    MapCache.prototype.has = mapHas;\n    MapCache.prototype.set = mapSet;\n\n    // Add functions to the `Set` cache.\n    SetCache.prototype.push = cachePush;\n\n    // Assign cache to `_.memoize`.\n    memoize.Cache = MapCache;\n\n    // Add functions that return wrapped values when chaining.\n    lodash.after = after;\n    lodash.ary = ary;\n    lodash.assign = assign;\n    lodash.at = at;\n    lodash.before = before;\n    lodash.bind = bind;\n    lodash.bindAll = bindAll;\n    lodash.bindKey = bindKey;\n    lodash.callback = callback;\n    lodash.chain = chain;\n    lodash.chunk = chunk;\n    lodash.compact = compact;\n    lodash.constant = constant;\n    lodash.countBy = countBy;\n    lodash.create = create;\n    lodash.curry = curry;\n    lodash.curryRight = curryRight;\n    lodash.debounce = debounce;\n    lodash.defaults = defaults;\n    lodash.defaultsDeep = defaultsDeep;\n    lodash.defer = defer;\n    lodash.delay = delay;\n    lodash.difference = difference;\n    lodash.drop = drop;\n    lodash.dropRight = dropRight;\n    lodash.dropRightWhile = dropRightWhile;\n    lodash.dropWhile = dropWhile;\n    lodash.fill = fill;\n    lodash.filter = filter;\n    lodash.flatten = flatten;\n    lodash.flattenDeep = flattenDeep;\n    lodash.flow = flow;\n    lodash.flowRight = flowRight;\n    lodash.forEach = forEach;\n    lodash.forEachRight = forEachRight;\n    lodash.forIn = forIn;\n    lodash.forInRight = forInRight;\n    lodash.forOwn = forOwn;\n    lodash.forOwnRight = forOwnRight;\n    lodash.functions = functions;\n    lodash.groupBy = groupBy;\n    lodash.indexBy = indexBy;\n    lodash.initial = initial;\n    lodash.intersection = intersection;\n    lodash.invert = invert;\n    lodash.invoke = invoke;\n    lodash.keys = keys;\n    lodash.keysIn = keysIn;\n    lodash.map = map;\n    lodash.mapKeys = mapKeys;\n    lodash.mapValues = mapValues;\n    lodash.matches = matches;\n    lodash.matchesProperty = matchesProperty;\n    lodash.memoize = memoize;\n    lodash.merge = merge;\n    lodash.method = method;\n    lodash.methodOf = methodOf;\n    lodash.mixin = mixin;\n    lodash.modArgs = modArgs;\n    lodash.negate = negate;\n    lodash.omit = omit;\n    lodash.once = once;\n    lodash.pairs = pairs;\n    lodash.partial = partial;\n    lodash.partialRight = partialRight;\n    lodash.partition = partition;\n    lodash.pick = pick;\n    lodash.pluck = pluck;\n    lodash.property = property;\n    lodash.propertyOf = propertyOf;\n    lodash.pull = pull;\n    lodash.pullAt = pullAt;\n    lodash.range = range;\n    lodash.rearg = rearg;\n    lodash.reject = reject;\n    lodash.remove = remove;\n    lodash.rest = rest;\n    lodash.restParam = restParam;\n    lodash.set = set;\n    lodash.shuffle = shuffle;\n    lodash.slice = slice;\n    lodash.sortBy = sortBy;\n    lodash.sortByAll = sortByAll;\n    lodash.sortByOrder = sortByOrder;\n    lodash.spread = spread;\n    lodash.take = take;\n    lodash.takeRight = takeRight;\n    lodash.takeRightWhile = takeRightWhile;\n    lodash.takeWhile = takeWhile;\n    lodash.tap = tap;\n    lodash.throttle = throttle;\n    lodash.thru = thru;\n    lodash.times = times;\n    lodash.toArray = toArray;\n    lodash.toPlainObject = toPlainObject;\n    lodash.transform = transform;\n    lodash.union = union;\n    lodash.uniq = uniq;\n    lodash.unzip = unzip;\n    lodash.unzipWith = unzipWith;\n    lodash.values = values;\n    lodash.valuesIn = valuesIn;\n    lodash.where = where;\n    lodash.without = without;\n    lodash.wrap = wrap;\n    lodash.xor = xor;\n    lodash.zip = zip;\n    lodash.zipObject = zipObject;\n    lodash.zipWith = zipWith;\n\n    // Add aliases.\n    lodash.backflow = flowRight;\n    lodash.collect = map;\n    lodash.compose = flowRight;\n    lodash.each = forEach;\n    lodash.eachRight = forEachRight;\n    lodash.extend = assign;\n    lodash.iteratee = callback;\n    lodash.methods = functions;\n    lodash.object = zipObject;\n    lodash.select = filter;\n    lodash.tail = rest;\n    lodash.unique = uniq;\n\n    // Add functions to `lodash.prototype`.\n    mixin(lodash, lodash);\n\n    /*------------------------------------------------------------------------*/\n\n    // Add functions that return unwrapped values when chaining.\n    lodash.add = add;\n    lodash.attempt = attempt;\n    lodash.camelCase = camelCase;\n    lodash.capitalize = capitalize;\n    lodash.ceil = ceil;\n    lodash.clone = clone;\n    lodash.cloneDeep = cloneDeep;\n    lodash.deburr = deburr;\n    lodash.endsWith = endsWith;\n    lodash.escape = escape;\n    lodash.escapeRegExp = escapeRegExp;\n    lodash.every = every;\n    lodash.find = find;\n    lodash.findIndex = findIndex;\n    lodash.findKey = findKey;\n    lodash.findLast = findLast;\n    lodash.findLastIndex = findLastIndex;\n    lodash.findLastKey = findLastKey;\n    lodash.findWhere = findWhere;\n    lodash.first = first;\n    lodash.floor = floor;\n    lodash.get = get;\n    lodash.gt = gt;\n    lodash.gte = gte;\n    lodash.has = has;\n    lodash.identity = identity;\n    lodash.includes = includes;\n    lodash.indexOf = indexOf;\n    lodash.inRange = inRange;\n    lodash.isArguments = isArguments;\n    lodash.isArray = isArray;\n    lodash.isBoolean = isBoolean;\n    lodash.isDate = isDate;\n    lodash.isElement = isElement;\n    lodash.isEmpty = isEmpty;\n    lodash.isEqual = isEqual;\n    lodash.isError = isError;\n    lodash.isFinite = isFinite;\n    lodash.isFunction = isFunction;\n    lodash.isMatch = isMatch;\n    lodash.isNaN = isNaN;\n    lodash.isNative = isNative;\n    lodash.isNull = isNull;\n    lodash.isNumber = isNumber;\n    lodash.isObject = isObject;\n    lodash.isPlainObject = isPlainObject;\n    lodash.isRegExp = isRegExp;\n    lodash.isString = isString;\n    lodash.isTypedArray = isTypedArray;\n    lodash.isUndefined = isUndefined;\n    lodash.kebabCase = kebabCase;\n    lodash.last = last;\n    lodash.lastIndexOf = lastIndexOf;\n    lodash.lt = lt;\n    lodash.lte = lte;\n    lodash.max = max;\n    lodash.min = min;\n    lodash.noConflict = noConflict;\n    lodash.noop = noop;\n    lodash.now = now;\n    lodash.pad = pad;\n    lodash.padLeft = padLeft;\n    lodash.padRight = padRight;\n    lodash.parseInt = parseInt;\n    lodash.random = random;\n    lodash.reduce = reduce;\n    lodash.reduceRight = reduceRight;\n    lodash.repeat = repeat;\n    lodash.result = result;\n    lodash.round = round;\n    lodash.runInContext = runInContext;\n    lodash.size = size;\n    lodash.snakeCase = snakeCase;\n    lodash.some = some;\n    lodash.sortedIndex = sortedIndex;\n    lodash.sortedLastIndex = sortedLastIndex;\n    lodash.startCase = startCase;\n    lodash.startsWith = startsWith;\n    lodash.sum = sum;\n    lodash.template = template;\n    lodash.trim = trim;\n    lodash.trimLeft = trimLeft;\n    lodash.trimRight = trimRight;\n    lodash.trunc = trunc;\n    lodash.unescape = unescape;\n    lodash.uniqueId = uniqueId;\n    lodash.words = words;\n\n    // Add aliases.\n    lodash.all = every;\n    lodash.any = some;\n    lodash.contains = includes;\n    lodash.eq = isEqual;\n    lodash.detect = find;\n    lodash.foldl = reduce;\n    lodash.foldr = reduceRight;\n    lodash.head = first;\n    lodash.include = includes;\n    lodash.inject = reduce;\n\n    mixin(lodash, (function() {\n      var source = {};\n      baseForOwn(lodash, function(func, methodName) {\n        if (!lodash.prototype[methodName]) {\n          source[methodName] = func;\n        }\n      });\n      return source;\n    }()), false);\n\n    /*------------------------------------------------------------------------*/\n\n    // Add functions capable of returning wrapped and unwrapped values when chaining.\n    lodash.sample = sample;\n\n    lodash.prototype.sample = function(n) {\n      if (!this.__chain__ && n == null) {\n        return sample(this.value());\n      }\n      return this.thru(function(value) {\n        return sample(value, n);\n      });\n    };\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The semantic version number.\n     *\n     * @static\n     * @memberOf _\n     * @type string\n     */\n    lodash.VERSION = VERSION;\n\n    // Assign default placeholders.\n    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n      lodash[methodName].placeholder = lodash;\n    });\n\n    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n    arrayEach(['drop', 'take'], function(methodName, index) {\n      LazyWrapper.prototype[methodName] = function(n) {\n        var filtered = this.__filtered__;\n        if (filtered && !index) {\n          return new LazyWrapper(this);\n        }\n        n = n == null ? 1 : nativeMax(nativeFloor(n) || 0, 0);\n\n        var result = this.clone();\n        if (filtered) {\n          result.__takeCount__ = nativeMin(result.__takeCount__, n);\n        } else {\n          result.__views__.push({ 'size': n, 'type': methodName + (result.__dir__ < 0 ? 'Right' : '') });\n        }\n        return result;\n      };\n\n      LazyWrapper.prototype[methodName + 'Right'] = function(n) {\n        return this.reverse()[methodName](n).reverse();\n      };\n    });\n\n    // Add `LazyWrapper` methods that accept an `iteratee` value.\n    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {\n      var type = index + 1,\n          isFilter = type != LAZY_MAP_FLAG;\n\n      LazyWrapper.prototype[methodName] = function(iteratee, thisArg) {\n        var result = this.clone();\n        result.__iteratees__.push({ 'iteratee': getCallback(iteratee, thisArg, 1), 'type': type });\n        result.__filtered__ = result.__filtered__ || isFilter;\n        return result;\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.first` and `_.last`.\n    arrayEach(['first', 'last'], function(methodName, index) {\n      var takeName = 'take' + (index ? 'Right' : '');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this[takeName](1).value()[0];\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.initial` and `_.rest`.\n    arrayEach(['initial', 'rest'], function(methodName, index) {\n      var dropName = 'drop' + (index ? '' : 'Right');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.pluck` and `_.where`.\n    arrayEach(['pluck', 'where'], function(methodName, index) {\n      var operationName = index ? 'filter' : 'map',\n          createCallback = index ? baseMatches : property;\n\n      LazyWrapper.prototype[methodName] = function(value) {\n        return this[operationName](createCallback(value));\n      };\n    });\n\n    LazyWrapper.prototype.compact = function() {\n      return this.filter(identity);\n    };\n\n    LazyWrapper.prototype.reject = function(predicate, thisArg) {\n      predicate = getCallback(predicate, thisArg, 1);\n      return this.filter(function(value) {\n        return !predicate(value);\n      });\n    };\n\n    LazyWrapper.prototype.slice = function(start, end) {\n      start = start == null ? 0 : (+start || 0);\n\n      var result = this;\n      if (result.__filtered__ && (start > 0 || end < 0)) {\n        return new LazyWrapper(result);\n      }\n      if (start < 0) {\n        result = result.takeRight(-start);\n      } else if (start) {\n        result = result.drop(start);\n      }\n      if (end !== undefined) {\n        end = (+end || 0);\n        result = end < 0 ? result.dropRight(-end) : result.take(end - start);\n      }\n      return result;\n    };\n\n    LazyWrapper.prototype.takeRightWhile = function(predicate, thisArg) {\n      return this.reverse().takeWhile(predicate, thisArg).reverse();\n    };\n\n    LazyWrapper.prototype.toArray = function() {\n      return this.take(POSITIVE_INFINITY);\n    };\n\n    // Add `LazyWrapper` methods to `lodash.prototype`.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var checkIteratee = /^(?:filter|map|reject)|While$/.test(methodName),\n          retUnwrapped = /^(?:first|last)$/.test(methodName),\n          lodashFunc = lodash[retUnwrapped ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName];\n\n      if (!lodashFunc) {\n        return;\n      }\n      lodash.prototype[methodName] = function() {\n        var args = retUnwrapped ? [1] : arguments,\n            chainAll = this.__chain__,\n            value = this.__wrapped__,\n            isHybrid = !!this.__actions__.length,\n            isLazy = value instanceof LazyWrapper,\n            iteratee = args[0],\n            useLazy = isLazy || isArray(value);\n\n        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {\n          // Avoid lazy use if the iteratee has a \"length\" value other than `1`.\n          isLazy = useLazy = false;\n        }\n        var interceptor = function(value) {\n          return (retUnwrapped && chainAll)\n            ? lodashFunc(value, 1)[0]\n            : lodashFunc.apply(undefined, arrayPush([value], args));\n        };\n\n        var action = { 'func': thru, 'args': [interceptor], 'thisArg': undefined },\n            onlyLazy = isLazy && !isHybrid;\n\n        if (retUnwrapped && !chainAll) {\n          if (onlyLazy) {\n            value = value.clone();\n            value.__actions__.push(action);\n            return func.call(value);\n          }\n          return lodashFunc.call(undefined, this.value())[0];\n        }\n        if (!retUnwrapped && useLazy) {\n          value = onlyLazy ? value : new LazyWrapper(this);\n          var result = func.apply(value, args);\n          result.__actions__.push(action);\n          return new LodashWrapper(result, chainAll);\n        }\n        return this.thru(interceptor);\n      };\n    });\n\n    // Add `Array` and `String` methods to `lodash.prototype`.\n    arrayEach(['join', 'pop', 'push', 'replace', 'shift', 'sort', 'splice', 'split', 'unshift'], function(methodName) {\n      var func = (/^(?:replace|split)$/.test(methodName) ? stringProto : arrayProto)[methodName],\n          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',\n          retUnwrapped = /^(?:join|pop|replace|shift)$/.test(methodName);\n\n      lodash.prototype[methodName] = function() {\n        var args = arguments;\n        if (retUnwrapped && !this.__chain__) {\n          return func.apply(this.value(), args);\n        }\n        return this[chainName](function(value) {\n          return func.apply(value, args);\n        });\n      };\n    });\n\n    // Map minified function names to their real names.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var lodashFunc = lodash[methodName];\n      if (lodashFunc) {\n        var key = lodashFunc.name,\n            names = realNames[key] || (realNames[key] = []);\n\n        names.push({ 'name': methodName, 'func': lodashFunc });\n      }\n    });\n\n    realNames[createHybridWrapper(undefined, BIND_KEY_FLAG).name] = [{ 'name': 'wrapper', 'func': undefined }];\n\n    // Add functions to the lazy wrapper.\n    LazyWrapper.prototype.clone = lazyClone;\n    LazyWrapper.prototype.reverse = lazyReverse;\n    LazyWrapper.prototype.value = lazyValue;\n\n    // Add chaining functions to the `lodash` wrapper.\n    lodash.prototype.chain = wrapperChain;\n    lodash.prototype.commit = wrapperCommit;\n    lodash.prototype.concat = wrapperConcat;\n    lodash.prototype.plant = wrapperPlant;\n    lodash.prototype.reverse = wrapperReverse;\n    lodash.prototype.toString = wrapperToString;\n    lodash.prototype.run = lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;\n\n    // Add function aliases to the `lodash` wrapper.\n    lodash.prototype.collect = lodash.prototype.map;\n    lodash.prototype.head = lodash.prototype.first;\n    lodash.prototype.select = lodash.prototype.filter;\n    lodash.prototype.tail = lodash.prototype.rest;\n\n    return lodash;\n  }\n\n  /*--------------------------------------------------------------------------*/\n\n  // Export lodash.\n  var _ = runInContext();\n\n  // Some AMD build optimizers like r.js check for condition patterns like the following:\n  if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {\n    // Expose lodash to the global object when an AMD loader is present to avoid\n    // errors in cases where lodash is loaded by a script tag and not intended\n    // as an AMD module. See http://requirejs.org/docs/errors.html#mismatch for\n    // more details.\n    root._ = _;\n\n    // Define as an anonymous module so, through path mapping, it can be\n    // referenced as the \"underscore\" module.\n    define(function() {\n      return _;\n    });\n  }\n  // Check for `exports` after `define` in case a build optimizer adds an `exports` object.\n  else if (freeExports && freeModule) {\n    // Export for Node.js or RingoJS.\n    if (moduleExports) {\n      (freeModule.exports = _)._ = _;\n    }\n    // Export for Rhino with CommonJS support.\n    else {\n      freeExports._ = _;\n    }\n  }\n  else {\n    // Export for a browser or Rhino.\n    root._ = _;\n  }\n}.call(this));\n","var m = (function app(window, undefined) {\r\n\tvar OBJECT = \"[object Object]\", ARRAY = \"[object Array]\", STRING = \"[object String]\", FUNCTION = \"function\";\r\n\tvar type = {}.toString;\r\n\tvar parser = /(?:(^|#|\\.)([^#\\.\\[\\]]+))|(\\[.+?\\])/g, attrParser = /\\[(.+?)(?:=(\"|'|)(.*?)\\2)?\\]/;\r\n\tvar voidElements = /^(AREA|BASE|BR|COL|COMMAND|EMBED|HR|IMG|INPUT|KEYGEN|LINK|META|PARAM|SOURCE|TRACK|WBR)$/;\r\n\r\n\t// caching commonly used variables\r\n\tvar $document, $location, $requestAnimationFrame, $cancelAnimationFrame;\r\n\r\n\t// self invoking function needed because of the way mocks work\r\n\tfunction initialize(window){\r\n\t\t$document = window.document;\r\n\t\t$location = window.location;\r\n\t\t$cancelAnimationFrame = window.cancelAnimationFrame || window.clearTimeout;\r\n\t\t$requestAnimationFrame = window.requestAnimationFrame || window.setTimeout;\r\n\t}\r\n\r\n\tinitialize(window);\r\n\r\n\r\n\t/**\r\n\t * @typedef {String} Tag\r\n\t * A string that looks like -> div.classname#id[param=one][param2=two]\r\n\t * Which describes a DOM node\r\n\t */\r\n\r\n\t/**\r\n\t *\r\n\t * @param {Tag} The DOM node tag\r\n\t * @param {Object=[]} optional key-value pairs to be mapped to DOM attrs\r\n\t * @param {...mNode=[]} Zero or more Mithril child nodes. Can be an array, or splat (optional)\r\n\t *\r\n\t */\r\n\tfunction m() {\r\n\t\tvar args = [].slice.call(arguments);\r\n\t\tvar hasAttrs = args[1] != null && type.call(args[1]) === OBJECT && !(\"tag\" in args[1]) && !(\"subtree\" in args[1]);\r\n\t\tvar attrs = hasAttrs ? args[1] : {};\r\n\t\tvar classAttrName = \"class\" in attrs ? \"class\" : \"className\";\r\n\t\tvar cell = {tag: \"div\", attrs: {}};\r\n\t\tvar match, classes = [];\r\n\t\tif (type.call(args[0]) != STRING) throw new Error(\"selector in m(selector, attrs, children) should be a string\")\r\n\t\twhile (match = parser.exec(args[0])) {\r\n\t\t\tif (match[1] === \"\" && match[2]) cell.tag = match[2];\r\n\t\t\telse if (match[1] === \"#\") cell.attrs.id = match[2];\r\n\t\t\telse if (match[1] === \".\") classes.push(match[2]);\r\n\t\t\telse if (match[3][0] === \"[\") {\r\n\t\t\t\tvar pair = attrParser.exec(match[3]);\r\n\t\t\t\tcell.attrs[pair[1]] = pair[3] || (pair[2] ? \"\" :true)\r\n\t\t\t}\r\n\t\t}\r\n\t\tif (classes.length > 0) cell.attrs[classAttrName] = classes.join(\" \");\r\n\r\n\r\n\t\tvar children = hasAttrs ? args.slice(2) : args.slice(1);\r\n\t\tif (children.length === 1 && type.call(children[0]) === ARRAY) {\r\n\t\t\tcell.children = children[0]\r\n\t\t}\r\n\t\telse {\r\n\t\t\tcell.children = children\r\n\t\t}\r\n\r\n\t\tfor (var attrName in attrs) {\r\n\t\t\tif (attrName === classAttrName) {\r\n\t\t\t\tvar className = cell.attrs[attrName]\r\n\t\t\t\tcell.attrs[attrName] = (className && attrs[attrName] ? className + \" \" : className || \"\") + attrs[attrName];\r\n\t\t\t}\r\n\t\t\telse cell.attrs[attrName] = attrs[attrName]\r\n\t\t}\r\n\t\treturn cell\r\n\t}\r\n\tfunction build(parentElement, parentTag, parentCache, parentIndex, data, cached, shouldReattach, index, editable, namespace, configs) {\r\n\t\t//`build` is a recursive function that manages creation/diffing/removal of DOM elements based on comparison between `data` and `cached`\r\n\t\t//the diff algorithm can be summarized as this:\r\n\t\t//1 - compare `data` and `cached`\r\n\t\t//2 - if they are different, copy `data` to `cached` and update the DOM based on what the difference is\r\n\t\t//3 - recursively apply this algorithm for every array and for the children of every virtual element\r\n\r\n\t\t//the `cached` data structure is essentially the same as the previous redraw's `data` data structure, with a few additions:\r\n\t\t//- `cached` always has a property called `nodes`, which is a list of DOM elements that correspond to the data represented by the respective virtual element\r\n\t\t//- in order to support attaching `nodes` as a property of `cached`, `cached` is *always* a non-primitive object, i.e. if the data was a string, then cached is a String instance. If data was `null` or `undefined`, cached is `new String(\"\")`\r\n\t\t//- `cached also has a `configContext` property, which is the state storage object exposed by config(element, isInitialized, context)\r\n\t\t//- when `cached` is an Object, it represents a virtual element; when it's an Array, it represents a list of elements; when it's a String, Number or Boolean, it represents a text node\r\n\r\n\t\t//`parentElement` is a DOM element used for W3C DOM API calls\r\n\t\t//`parentTag` is only used for handling a corner case for textarea values\r\n\t\t//`parentCache` is used to remove nodes in some multi-node cases\r\n\t\t//`parentIndex` and `index` are used to figure out the offset of nodes. They're artifacts from before arrays started being flattened and are likely refactorable\r\n\t\t//`data` and `cached` are, respectively, the new and old nodes being diffed\r\n\t\t//`shouldReattach` is a flag indicating whether a parent node was recreated (if so, and if this node is reused, then this node must reattach itself to the new parent)\r\n\t\t//`editable` is a flag that indicates whether an ancestor is contenteditable\r\n\t\t//`namespace` indicates the closest HTML namespace as it cascades down from an ancestor\r\n\t\t//`configs` is a list of config functions to run after the topmost `build` call finishes running\r\n\r\n\t\t//there's logic that relies on the assumption that null and undefined data are equivalent to empty strings\r\n\t\t//- this prevents lifecycle surprises from procedural helpers that mix implicit and explicit return statements (e.g. function foo() {if (cond) return m(\"div\")}\r\n\t\t//- it simplifies diffing code\r\n\t\t//data.toString() is null if data is the return value of Console.log in Firefox\r\n\t\ttry {if (data == null || data.toString() == null) data = \"\";} catch (e) {data = \"\"}\r\n\t\tif (data.subtree === \"retain\") return cached;\r\n\t\tvar cachedType = type.call(cached), dataType = type.call(data);\r\n\t\tif (cached == null || cachedType !== dataType) {\r\n\t\t\tif (cached != null) {\r\n\t\t\t\tif (parentCache && parentCache.nodes) {\r\n\t\t\t\t\tvar offset = index - parentIndex;\r\n\t\t\t\t\tvar end = offset + (dataType === ARRAY ? data : cached.nodes).length;\r\n\t\t\t\t\tclear(parentCache.nodes.slice(offset, end), parentCache.slice(offset, end))\r\n\t\t\t\t}\r\n\t\t\t\telse if (cached.nodes) clear(cached.nodes, cached)\r\n\t\t\t}\r\n\t\t\tcached = new data.constructor;\r\n\t\t\tif (cached.tag) cached = {}; //if constructor creates a virtual dom element, use a blank object as the base cached node instead of copying the virtual el (#277)\r\n\t\t\tcached.nodes = []\r\n\t\t}\r\n\r\n\t\tif (dataType === ARRAY) {\r\n\t\t\t//recursively flatten array\r\n\t\t\tfor (var i = 0, len = data.length; i < len; i++) {\r\n\t\t\t\tif (type.call(data[i]) === ARRAY) {\r\n\t\t\t\t\tdata = data.concat.apply([], data);\r\n\t\t\t\t\ti-- //check current index again and flatten until there are no more nested arrays at that index\r\n\t\t\t\t\tlen = data.length\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t\t\r\n\t\t\tvar nodes = [], intact = cached.length === data.length, subArrayCount = 0;\r\n\r\n\t\t\t//keys algorithm: sort elements without recreating them if keys are present\r\n\t\t\t//1) create a map of all existing keys, and mark all for deletion\r\n\t\t\t//2) add new keys to map and mark them for addition\r\n\t\t\t//3) if key exists in new list, change action from deletion to a move\r\n\t\t\t//4) for each key, handle its corresponding action as marked in previous steps\r\n\t\t\tvar DELETION = 1, INSERTION = 2 , MOVE = 3;\r\n\t\t\tvar existing = {}, unkeyed = [], shouldMaintainIdentities = false;\r\n\t\t\tfor (var i = 0; i < cached.length; i++) {\r\n\t\t\t\tif (cached[i] && cached[i].attrs && cached[i].attrs.key != null) {\r\n\t\t\t\t\tshouldMaintainIdentities = true;\r\n\t\t\t\t\texisting[cached[i].attrs.key] = {action: DELETION, index: i}\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t\t\r\n\t\t\tvar guid = 0\r\n\t\t\tfor (var i = 0, len = data.length; i < len; i++) {\r\n\t\t\t\tif (data[i] && data[i].attrs && data[i].attrs.key != null) {\r\n\t\t\t\t\tfor (var j = 0, len = data.length; j < len; j++) {\r\n\t\t\t\t\t\tif (data[j] && data[j].attrs && data[j].attrs.key == null) data[j].attrs.key = \"__mithril__\" + guid++\r\n\t\t\t\t\t}\r\n\t\t\t\t\tbreak\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t\t\r\n\t\t\tif (shouldMaintainIdentities) {\r\n\t\t\t\tvar keysDiffer = false\r\n\t\t\t\tif (data.length != cached.length) keysDiffer = true\r\n\t\t\t\telse for (var i = 0, cachedCell, dataCell; cachedCell = cached[i], dataCell = data[i]; i++) {\r\n\t\t\t\t\tif (cachedCell.attrs && dataCell.attrs && cachedCell.attrs.key != dataCell.attrs.key) {\r\n\t\t\t\t\t\tkeysDiffer = true\r\n\t\t\t\t\t\tbreak\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\t\t\t\t\r\n\t\t\t\tif (keysDiffer) {\r\n\t\t\t\t\tfor (var i = 0, len = data.length; i < len; i++) {\r\n\t\t\t\t\t\tif (data[i] && data[i].attrs) {\r\n\t\t\t\t\t\t\tif (data[i].attrs.key != null) {\r\n\t\t\t\t\t\t\t\tvar key = data[i].attrs.key;\r\n\t\t\t\t\t\t\t\tif (!existing[key]) existing[key] = {action: INSERTION, index: i};\r\n\t\t\t\t\t\t\t\telse existing[key] = {\r\n\t\t\t\t\t\t\t\t\taction: MOVE,\r\n\t\t\t\t\t\t\t\t\tindex: i,\r\n\t\t\t\t\t\t\t\t\tfrom: existing[key].index,\r\n\t\t\t\t\t\t\t\t\telement: cached.nodes[existing[key].index] || $document.createElement(\"div\")\r\n\t\t\t\t\t\t\t\t}\r\n\t\t\t\t\t\t\t}\r\n\t\t\t\t\t\t}\r\n\t\t\t\t\t}\r\n\t\t\t\t\tvar actions = []\r\n\t\t\t\t\tfor (var prop in existing) actions.push(existing[prop])\r\n\t\t\t\t\tvar changes = actions.sort(sortChanges);\r\n\t\t\t\t\tvar newCached = new Array(cached.length)\r\n\t\t\t\t\tnewCached.nodes = cached.nodes.slice()\r\n\r\n\t\t\t\t\tfor (var i = 0, change; change = changes[i]; i++) {\r\n\t\t\t\t\t\tif (change.action === DELETION) {\r\n\t\t\t\t\t\t\tclear(cached[change.index].nodes, cached[change.index]);\r\n\t\t\t\t\t\t\tnewCached.splice(change.index, 1)\r\n\t\t\t\t\t\t}\r\n\t\t\t\t\t\tif (change.action === INSERTION) {\r\n\t\t\t\t\t\t\tvar dummy = $document.createElement(\"div\");\r\n\t\t\t\t\t\t\tdummy.key = data[change.index].attrs.key;\r\n\t\t\t\t\t\t\tparentElement.insertBefore(dummy, parentElement.childNodes[change.index] || null);\r\n\t\t\t\t\t\t\tnewCached.splice(change.index, 0, {attrs: {key: data[change.index].attrs.key}, nodes: [dummy]})\r\n\t\t\t\t\t\t\tnewCached.nodes[change.index] = dummy\r\n\t\t\t\t\t\t}\r\n\r\n\t\t\t\t\t\tif (change.action === MOVE) {\r\n\t\t\t\t\t\t\tif (parentElement.childNodes[change.index] !== change.element && change.element !== null) {\r\n\t\t\t\t\t\t\t\tparentElement.insertBefore(change.element, parentElement.childNodes[change.index] || null)\r\n\t\t\t\t\t\t\t}\r\n\t\t\t\t\t\t\tnewCached[change.index] = cached[change.from]\r\n\t\t\t\t\t\t\tnewCached.nodes[change.index] = change.element\r\n\t\t\t\t\t\t}\r\n\t\t\t\t\t}\r\n\t\t\t\t\tcached = newCached;\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t\t//end key algorithm\r\n\r\n\t\t\tfor (var i = 0, cacheCount = 0, len = data.length; i < len; i++) {\r\n\t\t\t\t//diff each item in the array\r\n\t\t\t\tvar item = build(parentElement, parentTag, cached, index, data[i], cached[cacheCount], shouldReattach, index + subArrayCount || subArrayCount, editable, namespace, configs);\r\n\t\t\t\tif (item === undefined) continue;\r\n\t\t\t\tif (!item.nodes.intact) intact = false;\r\n\t\t\t\tif (item.$trusted) {\r\n\t\t\t\t\t//fix offset of next element if item was a trusted string w/ more than one html element\r\n\t\t\t\t\t//the first clause in the regexp matches elements\r\n\t\t\t\t\t//the second clause (after the pipe) matches text nodes\r\n\t\t\t\t\tsubArrayCount += (item.match(/<[^\\/]|\\>\\s*[^<]/g) || [0]).length\r\n\t\t\t\t}\r\n\t\t\t\telse subArrayCount += type.call(item) === ARRAY ? item.length : 1;\r\n\t\t\t\tcached[cacheCount++] = item\r\n\t\t\t}\r\n\t\t\tif (!intact) {\r\n\t\t\t\t//diff the array itself\r\n\t\t\t\t\r\n\t\t\t\t//update the list of DOM nodes by collecting the nodes from each item\r\n\t\t\t\tfor (var i = 0, len = data.length; i < len; i++) {\r\n\t\t\t\t\tif (cached[i] != null) nodes.push.apply(nodes, cached[i].nodes)\r\n\t\t\t\t}\r\n\t\t\t\t//remove items from the end of the array if the new array is shorter than the old one\r\n\t\t\t\t//if errors ever happen here, the issue is most likely a bug in the construction of the `cached` data structure somewhere earlier in the program\r\n\t\t\t\tfor (var i = 0, node; node = cached.nodes[i]; i++) {\r\n\t\t\t\t\tif (node.parentNode != null && nodes.indexOf(node) < 0) clear([node], [cached[i]])\r\n\t\t\t\t}\r\n\t\t\t\tif (data.length < cached.length) cached.length = data.length;\r\n\t\t\t\tcached.nodes = nodes\r\n\t\t\t}\r\n\t\t}\r\n\t\telse if (data != null && dataType === OBJECT) {\r\n\t\t\tif (!data.attrs) data.attrs = {};\r\n\t\t\tif (!cached.attrs) cached.attrs = {};\r\n\r\n\t\t\tvar dataAttrKeys = Object.keys(data.attrs)\r\n\t\t\tvar hasKeys = dataAttrKeys.length > (\"key\" in data.attrs ? 1 : 0)\r\n\t\t\t//if an element is different enough from the one in cache, recreate it\r\n\t\t\tif (data.tag != cached.tag || dataAttrKeys.join() != Object.keys(cached.attrs).join() || data.attrs.id != cached.attrs.id || (m.redraw.strategy() == \"all\" && cached.configContext && cached.configContext.retain !== true) || (m.redraw.strategy() == \"diff\" && cached.configContext && cached.configContext.retain === false)) {\r\n\t\t\t\tif (cached.nodes.length) clear(cached.nodes);\r\n\t\t\t\tif (cached.configContext && typeof cached.configContext.onunload === FUNCTION) cached.configContext.onunload()\r\n\t\t\t}\r\n\t\t\tif (type.call(data.tag) != STRING) return;\r\n\r\n\t\t\tvar node, isNew = cached.nodes.length === 0;\r\n\t\t\tif (data.attrs.xmlns) namespace = data.attrs.xmlns;\r\n\t\t\telse if (data.tag === \"svg\") namespace = \"http://www.w3.org/2000/svg\";\r\n\t\t\telse if (data.tag === \"math\") namespace = \"http://www.w3.org/1998/Math/MathML\";\r\n\t\t\tif (isNew) {\r\n\t\t\t\tif (data.attrs.is) node = namespace === undefined ? $document.createElement(data.tag, data.attrs.is) : $document.createElementNS(namespace, data.tag, data.attrs.is);\r\n\t\t\t\telse node = namespace === undefined ? $document.createElement(data.tag) : $document.createElementNS(namespace, data.tag);\r\n\t\t\t\tcached = {\r\n\t\t\t\t\ttag: data.tag,\r\n\t\t\t\t\t//set attributes first, then create children\r\n\t\t\t\t\tattrs: hasKeys ? setAttributes(node, data.tag, data.attrs, {}, namespace) : data.attrs,\r\n\t\t\t\t\tchildren: data.children != null && data.children.length > 0 ?\r\n\t\t\t\t\t\tbuild(node, data.tag, undefined, undefined, data.children, cached.children, true, 0, data.attrs.contenteditable ? node : editable, namespace, configs) :\r\n\t\t\t\t\t\tdata.children,\r\n\t\t\t\t\tnodes: [node]\r\n\t\t\t\t};\r\n\t\t\t\tif (cached.children && !cached.children.nodes) cached.children.nodes = [];\r\n\t\t\t\t//edge case: setting value on <select> doesn't work before children exist, so set it again after children have been created\r\n\t\t\t\tif (data.tag === \"select\" && data.attrs.value) setAttributes(node, data.tag, {value: data.attrs.value}, {}, namespace);\r\n\t\t\t\tparentElement.insertBefore(node, parentElement.childNodes[index] || null)\r\n\t\t\t}\r\n\t\t\telse {\r\n\t\t\t\tnode = cached.nodes[0];\r\n\t\t\t\tif (hasKeys) setAttributes(node, data.tag, data.attrs, cached.attrs, namespace);\r\n\t\t\t\tcached.children = build(node, data.tag, undefined, undefined, data.children, cached.children, false, 0, data.attrs.contenteditable ? node : editable, namespace, configs);\r\n\t\t\t\tcached.nodes.intact = true;\r\n\t\t\t\tif (shouldReattach === true && node != null) parentElement.insertBefore(node, parentElement.childNodes[index] || null)\r\n\t\t\t}\r\n\t\t\t//schedule configs to be called. They are called after `build` finishes running\r\n\t\t\tif (typeof data.attrs[\"config\"] === FUNCTION) {\r\n\t\t\t\tvar context = cached.configContext = cached.configContext || {retain: (m.redraw.strategy() == \"diff\") || undefined};\r\n\r\n\t\t\t\t// bind\r\n\t\t\t\tvar callback = function(data, args) {\r\n\t\t\t\t\treturn function() {\r\n\t\t\t\t\t\treturn data.attrs[\"config\"].apply(data, args)\r\n\t\t\t\t\t}\r\n\t\t\t\t};\r\n\t\t\t\tconfigs.push(callback(data, [node, !isNew, context, cached]))\r\n\t\t\t}\r\n\t\t}\r\n\t\telse if (typeof data != FUNCTION) {\r\n\t\t\t//handle text nodes\r\n\t\t\tvar nodes;\r\n\t\t\tif (cached.nodes.length === 0) {\r\n\t\t\t\tif (data.$trusted) {\r\n\t\t\t\t\tnodes = injectHTML(parentElement, index, data)\r\n\t\t\t\t}\r\n\t\t\t\telse {\r\n\t\t\t\t\tnodes = [$document.createTextNode(data)];\r\n\t\t\t\t\tif (!parentElement.nodeName.match(voidElements)) parentElement.insertBefore(nodes[0], parentElement.childNodes[index] || null)\r\n\t\t\t\t}\r\n\t\t\t\tcached = \"string number boolean\".indexOf(typeof data) > -1 ? new data.constructor(data) : data;\r\n\t\t\t\tcached.nodes = nodes\r\n\t\t\t}\r\n\t\t\telse if (cached.valueOf() !== data.valueOf() || shouldReattach === true) {\r\n\t\t\t\tnodes = cached.nodes;\r\n\t\t\t\tif (!editable || editable !== $document.activeElement) {\r\n\t\t\t\t\tif (data.$trusted) {\r\n\t\t\t\t\t\tclear(nodes, cached);\r\n\t\t\t\t\t\tnodes = injectHTML(parentElement, index, data)\r\n\t\t\t\t\t}\r\n\t\t\t\t\telse {\r\n\t\t\t\t\t\t//corner case: replacing the nodeValue of a text node that is a child of a textarea/contenteditable doesn't work\r\n\t\t\t\t\t\t//we need to update the value property of the parent textarea or the innerHTML of the contenteditable element instead\r\n\t\t\t\t\t\tif (parentTag === \"textarea\") parentElement.value = data;\r\n\t\t\t\t\t\telse if (editable) editable.innerHTML = data;\r\n\t\t\t\t\t\telse {\r\n\t\t\t\t\t\t\tif (nodes[0].nodeType === 1 || nodes.length > 1) { //was a trusted string\r\n\t\t\t\t\t\t\t\tclear(cached.nodes, cached);\r\n\t\t\t\t\t\t\t\tnodes = [$document.createTextNode(data)]\r\n\t\t\t\t\t\t\t}\r\n\t\t\t\t\t\t\tparentElement.insertBefore(nodes[0], parentElement.childNodes[index] || null);\r\n\t\t\t\t\t\t\tnodes[0].nodeValue = data\r\n\t\t\t\t\t\t}\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\t\t\t\tcached = new data.constructor(data);\r\n\t\t\t\tcached.nodes = nodes\r\n\t\t\t}\r\n\t\t\telse cached.nodes.intact = true\r\n\t\t}\r\n\r\n\t\treturn cached\r\n\t}\r\n\tfunction sortChanges(a, b) {return a.action - b.action || a.index - b.index}\r\n\tfunction setAttributes(node, tag, dataAttrs, cachedAttrs, namespace) {\r\n\t\tfor (var attrName in dataAttrs) {\r\n\t\t\tvar dataAttr = dataAttrs[attrName];\r\n\t\t\tvar cachedAttr = cachedAttrs[attrName];\r\n\t\t\tif (!(attrName in cachedAttrs) || (cachedAttr !== dataAttr)) {\r\n\t\t\t\tcachedAttrs[attrName] = dataAttr;\r\n\t\t\t\ttry {\r\n\t\t\t\t\t//`config` isn't a real attributes, so ignore it\r\n\t\t\t\t\tif (attrName === \"config\" || attrName == \"key\") continue;\r\n\t\t\t\t\t//hook event handlers to the auto-redrawing system\r\n\t\t\t\t\telse if (typeof dataAttr === FUNCTION && attrName.indexOf(\"on\") === 0) {\r\n\t\t\t\t\t\tnode[attrName] = autoredraw(dataAttr, node)\r\n\t\t\t\t\t}\r\n\t\t\t\t\t//handle `style: {...}`\r\n\t\t\t\t\telse if (attrName === \"style\" && dataAttr != null && type.call(dataAttr) === OBJECT) {\r\n\t\t\t\t\t\tfor (var rule in dataAttr) {\r\n\t\t\t\t\t\t\tif (cachedAttr == null || cachedAttr[rule] !== dataAttr[rule]) node.style[rule] = dataAttr[rule]\r\n\t\t\t\t\t\t}\r\n\t\t\t\t\t\tfor (var rule in cachedAttr) {\r\n\t\t\t\t\t\t\tif (!(rule in dataAttr)) node.style[rule] = \"\"\r\n\t\t\t\t\t\t}\r\n\t\t\t\t\t}\r\n\t\t\t\t\t//handle SVG\r\n\t\t\t\t\telse if (namespace != null) {\r\n\t\t\t\t\t\tif (attrName === \"href\") node.setAttributeNS(\"http://www.w3.org/1999/xlink\", \"href\", dataAttr);\r\n\t\t\t\t\t\telse if (attrName === \"className\") node.setAttribute(\"class\", dataAttr);\r\n\t\t\t\t\t\telse node.setAttribute(attrName, dataAttr)\r\n\t\t\t\t\t}\r\n\t\t\t\t\t//handle cases that are properties (but ignore cases where we should use setAttribute instead)\r\n\t\t\t\t\t//- list and form are typically used as strings, but are DOM element references in js\r\n\t\t\t\t\t//- when using CSS selectors (e.g. `m(\"[style='']\")`), style is used as a string, but it's an object in js\r\n\t\t\t\t\telse if (attrName in node && !(attrName === \"list\" || attrName === \"style\" || attrName === \"form\" || attrName === \"type\" || attrName === \"width\" || attrName === \"height\")) {\r\n\t\t\t\t\t\t//#348 don't set the value if not needed otherwise cursor placement breaks in Chrome\r\n\t\t\t\t\t\tif (tag !== \"input\" || node[attrName] !== dataAttr) node[attrName] = dataAttr\r\n\t\t\t\t\t}\r\n\t\t\t\t\telse node.setAttribute(attrName, dataAttr)\r\n\t\t\t\t}\r\n\t\t\t\tcatch (e) {\r\n\t\t\t\t\t//swallow IE's invalid argument errors to mimic HTML's fallback-to-doing-nothing-on-invalid-attributes behavior\r\n\t\t\t\t\tif (e.message.indexOf(\"Invalid argument\") < 0) throw e\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t\t//#348 dataAttr may not be a string, so use loose comparison (double equal) instead of strict (triple equal)\r\n\t\t\telse if (attrName === \"value\" && tag === \"input\" && node.value != dataAttr) {\r\n\t\t\t\tnode.value = dataAttr\r\n\t\t\t}\r\n\t\t}\r\n\t\treturn cachedAttrs\r\n\t}\r\n\tfunction clear(nodes, cached) {\r\n\t\tfor (var i = nodes.length - 1; i > -1; i--) {\r\n\t\t\tif (nodes[i] && nodes[i].parentNode) {\r\n\t\t\t\ttry {nodes[i].parentNode.removeChild(nodes[i])}\r\n\t\t\t\tcatch (e) {} //ignore if this fails due to order of events (see http://stackoverflow.com/questions/21926083/failed-to-execute-removechild-on-node)\r\n\t\t\t\tcached = [].concat(cached);\r\n\t\t\t\tif (cached[i]) unload(cached[i])\r\n\t\t\t}\r\n\t\t}\r\n\t\tif (nodes.length != 0) nodes.length = 0\r\n\t}\r\n\tfunction unload(cached) {\r\n\t\tif (cached.configContext && typeof cached.configContext.onunload === FUNCTION) {\r\n\t\t\tcached.configContext.onunload();\r\n\t\t\tcached.configContext.onunload = null\r\n\t\t}\r\n\t\tif (cached.children) {\r\n\t\t\tif (type.call(cached.children) === ARRAY) {\r\n\t\t\t\tfor (var i = 0, child; child = cached.children[i]; i++) unload(child)\r\n\t\t\t}\r\n\t\t\telse if (cached.children.tag) unload(cached.children)\r\n\t\t}\r\n\t}\r\n\tfunction injectHTML(parentElement, index, data) {\r\n\t\tvar nextSibling = parentElement.childNodes[index];\r\n\t\tif (nextSibling) {\r\n\t\t\tvar isElement = nextSibling.nodeType != 1;\r\n\t\t\tvar placeholder = $document.createElement(\"span\");\r\n\t\t\tif (isElement) {\r\n\t\t\t\tparentElement.insertBefore(placeholder, nextSibling || null);\r\n\t\t\t\tplaceholder.insertAdjacentHTML(\"beforebegin\", data);\r\n\t\t\t\tparentElement.removeChild(placeholder)\r\n\t\t\t}\r\n\t\t\telse nextSibling.insertAdjacentHTML(\"beforebegin\", data)\r\n\t\t}\r\n\t\telse parentElement.insertAdjacentHTML(\"beforeend\", data);\r\n\t\tvar nodes = [];\r\n\t\twhile (parentElement.childNodes[index] !== nextSibling) {\r\n\t\t\tnodes.push(parentElement.childNodes[index]);\r\n\t\t\tindex++\r\n\t\t}\r\n\t\treturn nodes\r\n\t}\r\n\tfunction autoredraw(callback, object) {\r\n\t\treturn function(e) {\r\n\t\t\te = e || event;\r\n\t\t\tm.redraw.strategy(\"diff\");\r\n\t\t\tm.startComputation();\r\n\t\t\ttry {return callback.call(object, e)}\r\n\t\t\tfinally {\r\n\t\t\t\tendFirstComputation()\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n\r\n\tvar html;\r\n\tvar documentNode = {\r\n\t\tappendChild: function(node) {\r\n\t\t\tif (html === undefined) html = $document.createElement(\"html\");\r\n\t\t\tif ($document.documentElement && $document.documentElement !== node) {\r\n\t\t\t\t$document.replaceChild(node, $document.documentElement)\r\n\t\t\t}\r\n\t\t\telse $document.appendChild(node);\r\n\t\t\tthis.childNodes = $document.childNodes\r\n\t\t},\r\n\t\tinsertBefore: function(node) {\r\n\t\t\tthis.appendChild(node)\r\n\t\t},\r\n\t\tchildNodes: []\r\n\t};\r\n\tvar nodeCache = [], cellCache = {};\r\n\tm.render = function(root, cell, forceRecreation) {\r\n\t\tvar configs = [];\r\n\t\tif (!root) throw new Error(\"Please ensure the DOM element exists before rendering a template into it.\");\r\n\t\tvar id = getCellCacheKey(root);\r\n\t\tvar isDocumentRoot = root === $document;\r\n\t\tvar node = isDocumentRoot || root === $document.documentElement ? documentNode : root;\r\n\t\tif (isDocumentRoot && cell.tag != \"html\") cell = {tag: \"html\", attrs: {}, children: cell};\r\n\t\tif (cellCache[id] === undefined) clear(node.childNodes);\r\n\t\tif (forceRecreation === true) reset(root);\r\n\t\tcellCache[id] = build(node, null, undefined, undefined, cell, cellCache[id], false, 0, null, undefined, configs);\r\n\t\tfor (var i = 0, len = configs.length; i < len; i++) configs[i]()\r\n\t};\r\n\tfunction getCellCacheKey(element) {\r\n\t\tvar index = nodeCache.indexOf(element);\r\n\t\treturn index < 0 ? nodeCache.push(element) - 1 : index\r\n\t}\r\n\r\n\tm.trust = function(value) {\r\n\t\tvalue = new String(value);\r\n\t\tvalue.$trusted = true;\r\n\t\treturn value\r\n\t};\r\n\r\n\tfunction gettersetter(store) {\r\n\t\tvar prop = function() {\r\n\t\t\tif (arguments.length) store = arguments[0];\r\n\t\t\treturn store\r\n\t\t};\r\n\r\n\t\tprop.toJSON = function() {\r\n\t\t\treturn store\r\n\t\t};\r\n\r\n\t\treturn prop\r\n\t}\r\n\r\n\tm.prop = function (store) {\r\n\t\t//note: using non-strict equality check here because we're checking if store is null OR undefined\r\n\t\tif (((store != null && type.call(store) === OBJECT) || typeof store === FUNCTION) && typeof store.then === FUNCTION) {\r\n\t\t\treturn propify(store)\r\n\t\t}\r\n\r\n\t\treturn gettersetter(store)\r\n\t};\r\n\r\n\tvar roots = [], modules = [], controllers = [], lastRedrawId = null, lastRedrawCallTime = 0, computePostRedrawHook = null, prevented = false, topModule;\r\n\tvar FRAME_BUDGET = 16; //60 frames per second = 1 call per 16 ms\r\n\tm.module = function(root, module) {\r\n\t\tif (!root) throw new Error(\"Please ensure the DOM element exists before rendering a template into it.\");\r\n\t\tvar index = roots.indexOf(root);\r\n\t\tif (index < 0) index = roots.length;\r\n\t\tvar isPrevented = false;\r\n\t\tif (controllers[index] && typeof controllers[index].onunload === FUNCTION) {\r\n\t\t\tvar event = {\r\n\t\t\t\tpreventDefault: function() {isPrevented = true}\r\n\t\t\t};\r\n\t\t\tcontrollers[index].onunload(event)\r\n\t\t}\r\n\t\tif (!isPrevented) {\r\n\t\t\tm.redraw.strategy(\"all\");\r\n\t\t\tm.startComputation();\r\n\t\t\troots[index] = root;\r\n\t\t\tvar currentModule = topModule = module = module || {};\r\n\t\t\tvar controller = new (module.controller || function() {});\r\n\t\t\t//controllers may call m.module recursively (via m.route redirects, for example)\r\n\t\t\t//this conditional ensures only the last recursive m.module call is applied\r\n\t\t\tif (currentModule === topModule) {\r\n\t\t\t\tcontrollers[index] = controller;\r\n\t\t\t\tmodules[index] = module\r\n\t\t\t}\r\n\t\t\tendFirstComputation();\r\n\t\t\treturn controllers[index]\r\n\t\t}\r\n\t};\r\n\tm.redraw = function(force) {\r\n\t\t//lastRedrawId is a positive number if a second redraw is requested before the next animation frame\r\n\t\t//lastRedrawID is null if it's the first redraw and not an event handler\r\n\t\tif (lastRedrawId && force !== true) {\r\n\t\t\t//when setTimeout: only reschedule redraw if time between now and previous redraw is bigger than a frame, otherwise keep currently scheduled timeout\r\n\t\t\t//when rAF: always reschedule redraw\r\n\t\t\tif (new Date - lastRedrawCallTime > FRAME_BUDGET || $requestAnimationFrame === window.requestAnimationFrame) {\r\n\t\t\t\tif (lastRedrawId > 0) $cancelAnimationFrame(lastRedrawId);\r\n\t\t\t\tlastRedrawId = $requestAnimationFrame(redraw, FRAME_BUDGET)\r\n\t\t\t}\r\n\t\t}\r\n\t\telse {\r\n\t\t\tredraw();\r\n\t\t\tlastRedrawId = $requestAnimationFrame(function() {lastRedrawId = null}, FRAME_BUDGET)\r\n\t\t}\r\n\t};\r\n\tm.redraw.strategy = m.prop();\r\n\tvar blank = function() {return \"\"}\r\n\tfunction redraw() {\r\n\t\tfor (var i = 0, root; root = roots[i]; i++) {\r\n\t\t\tif (controllers[i]) {\r\n\t\t\t\tm.render(root, modules[i].view ? modules[i].view(controllers[i]) : blank())\r\n\t\t\t}\r\n\t\t}\r\n\t\t//after rendering within a routed context, we need to scroll back to the top, and fetch the document title for history.pushState\r\n\t\tif (computePostRedrawHook) {\r\n\t\t\tcomputePostRedrawHook();\r\n\t\t\tcomputePostRedrawHook = null\r\n\t\t}\r\n\t\tlastRedrawId = null;\r\n\t\tlastRedrawCallTime = new Date;\r\n\t\tm.redraw.strategy(\"diff\")\r\n\t}\r\n\r\n\tvar pendingRequests = 0;\r\n\tm.startComputation = function() {pendingRequests++};\r\n\tm.endComputation = function() {\r\n\t\tpendingRequests = Math.max(pendingRequests - 1, 0);\r\n\t\tif (pendingRequests === 0) m.redraw()\r\n\t};\r\n\tvar endFirstComputation = function() {\r\n\t\tif (m.redraw.strategy() == \"none\") {\r\n\t\t\tpendingRequests--\r\n\t\t\tm.redraw.strategy(\"diff\")\r\n\t\t}\r\n\t\telse m.endComputation();\r\n\t}\r\n\r\n\tm.withAttr = function(prop, withAttrCallback) {\r\n\t\treturn function(e) {\r\n\t\t\te = e || event;\r\n\t\t\tvar currentTarget = e.currentTarget || this;\r\n\t\t\twithAttrCallback(prop in currentTarget ? currentTarget[prop] : currentTarget.getAttribute(prop))\r\n\t\t}\r\n\t};\r\n\r\n\t//routing\r\n\tvar modes = {pathname: \"\", hash: \"#\", search: \"?\"};\r\n\tvar redirect = function() {}, routeParams, currentRoute;\r\n\tm.route = function() {\r\n\t\t//m.route()\r\n\t\tif (arguments.length === 0) return currentRoute;\r\n\t\t//m.route(el, defaultRoute, routes)\r\n\t\telse if (arguments.length === 3 && type.call(arguments[1]) === STRING) {\r\n\t\t\tvar root = arguments[0], defaultRoute = arguments[1], router = arguments[2];\r\n\t\t\tredirect = function(source) {\r\n\t\t\t\tvar path = currentRoute = normalizeRoute(source);\r\n\t\t\t\tif (!routeByValue(root, router, path)) {\r\n\t\t\t\t\tm.route(defaultRoute, true)\r\n\t\t\t\t}\r\n\t\t\t};\r\n\t\t\tvar listener = m.route.mode === \"hash\" ? \"onhashchange\" : \"onpopstate\";\r\n\t\t\twindow[listener] = function() {\r\n\t\t\t\tvar path = $location[m.route.mode]\r\n\t\t\t\tif (m.route.mode === \"pathname\") path += $location.search\r\n\t\t\t\tif (currentRoute != normalizeRoute(path)) {\r\n\t\t\t\t\tredirect(path)\r\n\t\t\t\t}\r\n\t\t\t};\r\n\t\t\tcomputePostRedrawHook = setScroll;\r\n\t\t\twindow[listener]()\r\n\t\t}\r\n\t\t//config: m.route\r\n\t\telse if (arguments[0].addEventListener || arguments[0].attachEvent) {\r\n\t\t\tvar element = arguments[0];\r\n\t\t\tvar isInitialized = arguments[1];\r\n\t\t\tvar context = arguments[2];\r\n\t\t\telement.href = (m.route.mode !== 'pathname' ? $location.pathname : '') + modes[m.route.mode] + this.attrs.href;\r\n\t\t\tif (element.addEventListener) {\r\n\t\t\t\telement.removeEventListener(\"click\", routeUnobtrusive);\r\n\t\t\t\telement.addEventListener(\"click\", routeUnobtrusive)\r\n\t\t\t}\r\n\t\t\telse {\r\n\t\t\t\telement.detachEvent(\"onclick\", routeUnobtrusive);\r\n\t\t\t\telement.attachEvent(\"onclick\", routeUnobtrusive)\r\n\t\t\t}\r\n\t\t}\r\n\t\t//m.route(route, params)\r\n\t\telse if (type.call(arguments[0]) === STRING) {\r\n\t\t\tvar oldRoute = currentRoute;\r\n\t\t\tcurrentRoute = arguments[0];\r\n\t\t\tvar args = arguments[1] || {}\r\n\t\t\tvar queryIndex = currentRoute.indexOf(\"?\")\r\n\t\t\tvar params = queryIndex > -1 ? parseQueryString(currentRoute.slice(queryIndex + 1)) : {}\r\n\t\t\tfor (var i in args) params[i] = args[i]\r\n\t\t\tvar querystring = buildQueryString(params)\r\n\t\t\tvar currentPath = queryIndex > -1 ? currentRoute.slice(0, queryIndex) : currentRoute\r\n\t\t\tif (querystring) currentRoute = currentPath + (currentPath.indexOf(\"?\") === -1 ? \"?\" : \"&\") + querystring;\r\n\r\n\t\t\tvar shouldReplaceHistoryEntry = (arguments.length === 3 ? arguments[2] : arguments[1]) === true || oldRoute === arguments[0];\r\n\r\n\t\t\tif (window.history.pushState) {\r\n\t\t\t\tcomputePostRedrawHook = function() {\r\n\t\t\t\t\twindow.history[shouldReplaceHistoryEntry ? \"replaceState\" : \"pushState\"](null, $document.title, modes[m.route.mode] + currentRoute);\r\n\t\t\t\t\tsetScroll()\r\n\t\t\t\t};\r\n\t\t\t\tredirect(modes[m.route.mode] + currentRoute)\r\n\t\t\t}\r\n\t\t\telse {\r\n\t\t\t\t$location[m.route.mode] = currentRoute\r\n\t\t\t\tredirect(modes[m.route.mode] + currentRoute)\r\n\t\t\t}\r\n\t\t}\r\n\t};\r\n\tm.route.param = function(key) {\r\n\t\tif (!routeParams) throw new Error(\"You must call m.route(element, defaultRoute, routes) before calling m.route.param()\")\r\n\t\treturn routeParams[key]\r\n\t};\r\n\tm.route.mode = \"search\";\r\n\tfunction normalizeRoute(route) {\r\n\t\treturn route.slice(modes[m.route.mode].length)\r\n\t}\r\n\tfunction routeByValue(root, router, path) {\r\n\t\trouteParams = {};\r\n\r\n\t\tvar queryStart = path.indexOf(\"?\");\r\n\t\tif (queryStart !== -1) {\r\n\t\t\trouteParams = parseQueryString(path.substr(queryStart + 1, path.length));\r\n\t\t\tpath = path.substr(0, queryStart)\r\n\t\t}\r\n\r\n\t\t// Get all routes and check if there's\r\n\t\t// an exact match for the current path\r\n\t\tvar keys = Object.keys(router);\r\n\t\tvar index = keys.indexOf(path);\r\n\t\tif(index !== -1){\r\n\t\t\tm.module(root, router[keys [index]]);\r\n\t\t\treturn true;\r\n\t\t}\r\n\r\n\t\tfor (var route in router) {\r\n\t\t\tif (route === path) {\r\n\t\t\t\tm.module(root, router[route]);\r\n\t\t\t\treturn true\r\n\t\t\t}\r\n\r\n\t\t\tvar matcher = new RegExp(\"^\" + route.replace(/:[^\\/]+?\\.{3}/g, \"(.*?)\").replace(/:[^\\/]+/g, \"([^\\\\/]+)\") + \"\\/?$\");\r\n\r\n\t\t\tif (matcher.test(path)) {\r\n\t\t\t\tpath.replace(matcher, function() {\r\n\t\t\t\t\tvar keys = route.match(/:[^\\/]+/g) || [];\r\n\t\t\t\t\tvar values = [].slice.call(arguments, 1, -2);\r\n\t\t\t\t\tfor (var i = 0, len = keys.length; i < len; i++) routeParams[keys[i].replace(/:|\\./g, \"\")] = decodeURIComponent(values[i])\r\n\t\t\t\t\tm.module(root, router[route])\r\n\t\t\t\t});\r\n\t\t\t\treturn true\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n\tfunction routeUnobtrusive(e) {\r\n\t\te = e || event;\r\n\t\tif (e.ctrlKey || e.metaKey || e.which === 2) return;\r\n\t\tif (e.preventDefault) e.preventDefault();\r\n\t\telse e.returnValue = false;\r\n\t\tvar currentTarget = e.currentTarget || e.srcElement;\r\n\t\tvar args = m.route.mode === \"pathname\" && currentTarget.search ? parseQueryString(currentTarget.search.slice(1)) : {};\r\n\t\twhile (currentTarget && currentTarget.nodeName.toUpperCase() != \"A\") currentTarget = currentTarget.parentNode\r\n\t\tm.route(currentTarget[m.route.mode].slice(modes[m.route.mode].length), args)\r\n\t}\r\n\tfunction setScroll() {\r\n\t\tif (m.route.mode != \"hash\" && $location.hash) $location.hash = $location.hash;\r\n\t\telse window.scrollTo(0, 0)\r\n\t}\r\n\tfunction buildQueryString(object, prefix) {\r\n\t\tvar duplicates = {}\r\n\t\tvar str = []\r\n\t\tfor (var prop in object) {\r\n\t\t\tvar key = prefix ? prefix + \"[\" + prop + \"]\" : prop\r\n\t\t\tvar value = object[prop]\r\n\t\t\tvar valueType = type.call(value)\r\n\t\t\tvar pair = (value === null) ? encodeURIComponent(key) :\r\n\t\t\t\tvalueType === OBJECT ? buildQueryString(value, key) :\r\n\t\t\t\tvalueType === ARRAY ? value.reduce(function(memo, item) {\r\n\t\t\t\t\tif (!duplicates[key]) duplicates[key] = {}\r\n\t\t\t\t\tif (!duplicates[key][item]) {\r\n\t\t\t\t\t\tduplicates[key][item] = true\r\n\t\t\t\t\t\treturn memo.concat(encodeURIComponent(key) + \"=\" + encodeURIComponent(item))\r\n\t\t\t\t\t}\r\n\t\t\t\t\treturn memo\r\n\t\t\t\t}, []).join(\"&\") :\r\n\t\t\t\tencodeURIComponent(key) + \"=\" + encodeURIComponent(value)\r\n\t\t\tif (value !== undefined) str.push(pair)\r\n\t\t}\r\n\t\treturn str.join(\"&\")\r\n\t}\r\n\tfunction parseQueryString(str) {\r\n\t\tvar pairs = str.split(\"&\"), params = {};\r\n\t\tfor (var i = 0, len = pairs.length; i < len; i++) {\r\n\t\t\tvar pair = pairs[i].split(\"=\");\r\n\t\t\tvar key = decodeURIComponent(pair[0])\r\n\t\t\tvar value = pair.length == 2 ? decodeURIComponent(pair[1]) : null\r\n\t\t\tif (params[key] != null) {\r\n\t\t\t\tif (type.call(params[key]) !== ARRAY) params[key] = [params[key]]\r\n\t\t\t\tparams[key].push(value)\r\n\t\t\t}\r\n\t\t\telse params[key] = value\r\n\t\t}\r\n\t\treturn params\r\n\t}\r\n\tm.route.buildQueryString = buildQueryString\r\n\tm.route.parseQueryString = parseQueryString\r\n\t\r\n\tfunction reset(root) {\r\n\t\tvar cacheKey = getCellCacheKey(root);\r\n\t\tclear(root.childNodes, cellCache[cacheKey]);\r\n\t\tcellCache[cacheKey] = undefined\r\n\t}\r\n\r\n\tm.deferred = function () {\r\n\t\tvar deferred = new Deferred();\r\n\t\tdeferred.promise = propify(deferred.promise);\r\n\t\treturn deferred\r\n\t};\r\n\tfunction propify(promise, initialValue) {\r\n\t\tvar prop = m.prop(initialValue);\r\n\t\tpromise.then(prop);\r\n\t\tprop.then = function(resolve, reject) {\r\n\t\t\treturn propify(promise.then(resolve, reject), initialValue)\r\n\t\t};\r\n\t\treturn prop\r\n\t}\r\n\t//Promiz.mithril.js | Zolmeister | MIT\r\n\t//a modified version of Promiz.js, which does not conform to Promises/A+ for two reasons:\r\n\t//1) `then` callbacks are called synchronously (because setTimeout is too slow, and the setImmediate polyfill is too big\r\n\t//2) throwing subclasses of Error cause the error to be bubbled up instead of triggering rejection (because the spec does not account for the important use case of default browser error handling, i.e. message w/ line number)\r\n\tfunction Deferred(successCallback, failureCallback) {\r\n\t\tvar RESOLVING = 1, REJECTING = 2, RESOLVED = 3, REJECTED = 4;\r\n\t\tvar self = this, state = 0, promiseValue = 0, next = [];\r\n\r\n\t\tself[\"promise\"] = {};\r\n\r\n\t\tself[\"resolve\"] = function(value) {\r\n\t\t\tif (!state) {\r\n\t\t\t\tpromiseValue = value;\r\n\t\t\t\tstate = RESOLVING;\r\n\r\n\t\t\t\tfire()\r\n\t\t\t}\r\n\t\t\treturn this\r\n\t\t};\r\n\r\n\t\tself[\"reject\"] = function(value) {\r\n\t\t\tif (!state) {\r\n\t\t\t\tpromiseValue = value;\r\n\t\t\t\tstate = REJECTING;\r\n\r\n\t\t\t\tfire()\r\n\t\t\t}\r\n\t\t\treturn this\r\n\t\t};\r\n\r\n\t\tself.promise[\"then\"] = function(successCallback, failureCallback) {\r\n\t\t\tvar deferred = new Deferred(successCallback, failureCallback);\r\n\t\t\tif (state === RESOLVED) {\r\n\t\t\t\tdeferred.resolve(promiseValue)\r\n\t\t\t}\r\n\t\t\telse if (state === REJECTED) {\r\n\t\t\t\tdeferred.reject(promiseValue)\r\n\t\t\t}\r\n\t\t\telse {\r\n\t\t\t\tnext.push(deferred)\r\n\t\t\t}\r\n\t\t\treturn deferred.promise\r\n\t\t};\r\n\r\n\t\tfunction finish(type) {\r\n\t\t\tstate = type || REJECTED;\r\n\t\t\tnext.map(function(deferred) {\r\n\t\t\t\tstate === RESOLVED && deferred.resolve(promiseValue) || deferred.reject(promiseValue)\r\n\t\t\t})\r\n\t\t}\r\n\r\n\t\tfunction thennable(then, successCallback, failureCallback, notThennableCallback) {\r\n\t\t\tif (((promiseValue != null && type.call(promiseValue) === OBJECT) || typeof promiseValue === FUNCTION) && typeof then === FUNCTION) {\r\n\t\t\t\ttry {\r\n\t\t\t\t\t// count protects against abuse calls from spec checker\r\n\t\t\t\t\tvar count = 0;\r\n\t\t\t\t\tthen.call(promiseValue, function(value) {\r\n\t\t\t\t\t\tif (count++) return;\r\n\t\t\t\t\t\tpromiseValue = value;\r\n\t\t\t\t\t\tsuccessCallback()\r\n\t\t\t\t\t}, function (value) {\r\n\t\t\t\t\t\tif (count++) return;\r\n\t\t\t\t\t\tpromiseValue = value;\r\n\t\t\t\t\t\tfailureCallback()\r\n\t\t\t\t\t})\r\n\t\t\t\t}\r\n\t\t\t\tcatch (e) {\r\n\t\t\t\t\tm.deferred.onerror(e);\r\n\t\t\t\t\tpromiseValue = e;\r\n\t\t\t\t\tfailureCallback()\r\n\t\t\t\t}\r\n\t\t\t} else {\r\n\t\t\t\tnotThennableCallback()\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tfunction fire() {\r\n\t\t\t// check if it's a thenable\r\n\t\t\tvar then;\r\n\t\t\ttry {\r\n\t\t\t\tthen = promiseValue && promiseValue.then\r\n\t\t\t}\r\n\t\t\tcatch (e) {\r\n\t\t\t\tm.deferred.onerror(e);\r\n\t\t\t\tpromiseValue = e;\r\n\t\t\t\tstate = REJECTING;\r\n\t\t\t\treturn fire()\r\n\t\t\t}\r\n\t\t\tthennable(then, function() {\r\n\t\t\t\tstate = RESOLVING;\r\n\t\t\t\tfire()\r\n\t\t\t}, function() {\r\n\t\t\t\tstate = REJECTING;\r\n\t\t\t\tfire()\r\n\t\t\t}, function() {\r\n\t\t\t\ttry {\r\n\t\t\t\t\tif (state === RESOLVING && typeof successCallback === FUNCTION) {\r\n\t\t\t\t\t\tpromiseValue = successCallback(promiseValue)\r\n\t\t\t\t\t}\r\n\t\t\t\t\telse if (state === REJECTING && typeof failureCallback === \"function\") {\r\n\t\t\t\t\t\tpromiseValue = failureCallback(promiseValue);\r\n\t\t\t\t\t\tstate = RESOLVING\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\t\t\t\tcatch (e) {\r\n\t\t\t\t\tm.deferred.onerror(e);\r\n\t\t\t\t\tpromiseValue = e;\r\n\t\t\t\t\treturn finish()\r\n\t\t\t\t}\r\n\r\n\t\t\t\tif (promiseValue === self) {\r\n\t\t\t\t\tpromiseValue = TypeError();\r\n\t\t\t\t\tfinish()\r\n\t\t\t\t}\r\n\t\t\t\telse {\r\n\t\t\t\t\tthennable(then, function () {\r\n\t\t\t\t\t\tfinish(RESOLVED)\r\n\t\t\t\t\t}, finish, function () {\r\n\t\t\t\t\t\tfinish(state === RESOLVING && RESOLVED)\r\n\t\t\t\t\t})\r\n\t\t\t\t}\r\n\t\t\t})\r\n\t\t}\r\n\t}\r\n\tm.deferred.onerror = function(e) {\r\n\t\tif (type.call(e) === \"[object Error]\" && !e.constructor.toString().match(/ Error/)) throw e\r\n\t};\r\n\r\n\tm.sync = function(args) {\r\n\t\tvar method = \"resolve\";\r\n\t\tfunction synchronizer(pos, resolved) {\r\n\t\t\treturn function(value) {\r\n\t\t\t\tresults[pos] = value;\r\n\t\t\t\tif (!resolved) method = \"reject\";\r\n\t\t\t\tif (--outstanding === 0) {\r\n\t\t\t\t\tdeferred.promise(results);\r\n\t\t\t\t\tdeferred[method](results)\r\n\t\t\t\t}\r\n\t\t\t\treturn value\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tvar deferred = m.deferred();\r\n\t\tvar outstanding = args.length;\r\n\t\tvar results = new Array(outstanding);\r\n\t\tif (args.length > 0) {\r\n\t\t\tfor (var i = 0; i < args.length; i++) {\r\n\t\t\t\targs[i].then(synchronizer(i, true), synchronizer(i, false))\r\n\t\t\t}\r\n\t\t}\r\n\t\telse deferred.resolve([]);\r\n\r\n\t\treturn deferred.promise\r\n\t};\r\n\tfunction identity(value) {return value}\r\n\r\n\tfunction ajax(options) {\r\n\t\tif (options.dataType && options.dataType.toLowerCase() === \"jsonp\") {\r\n\t\t\tvar callbackKey = \"mithril_callback_\" + new Date().getTime() + \"_\" + (Math.round(Math.random() * 1e16)).toString(36);\r\n\t\t\tvar script = $document.createElement(\"script\");\r\n\r\n\t\t\twindow[callbackKey] = function(resp) {\r\n\t\t\t\tscript.parentNode.removeChild(script);\r\n\t\t\t\toptions.onload({\r\n\t\t\t\t\ttype: \"load\",\r\n\t\t\t\t\ttarget: {\r\n\t\t\t\t\t\tresponseText: resp\r\n\t\t\t\t\t}\r\n\t\t\t\t});\r\n\t\t\t\twindow[callbackKey] = undefined\r\n\t\t\t};\r\n\r\n\t\t\tscript.onerror = function(e) {\r\n\t\t\t\tscript.parentNode.removeChild(script);\r\n\r\n\t\t\t\toptions.onerror({\r\n\t\t\t\t\ttype: \"error\",\r\n\t\t\t\t\ttarget: {\r\n\t\t\t\t\t\tstatus: 500,\r\n\t\t\t\t\t\tresponseText: JSON.stringify({error: \"Error making jsonp request\"})\r\n\t\t\t\t\t}\r\n\t\t\t\t});\r\n\t\t\t\twindow[callbackKey] = undefined;\r\n\r\n\t\t\t\treturn false\r\n\t\t\t};\r\n\r\n\t\t\tscript.onload = function(e) {\r\n\t\t\t\treturn false\r\n\t\t\t};\r\n\r\n\t\t\tscript.src = options.url\r\n\t\t\t\t+ (options.url.indexOf(\"?\") > 0 ? \"&\" : \"?\")\r\n\t\t\t\t+ (options.callbackKey ? options.callbackKey : \"callback\")\r\n\t\t\t\t+ \"=\" + callbackKey\r\n\t\t\t\t+ \"&\" + buildQueryString(options.data || {});\r\n\t\t\t$document.body.appendChild(script)\r\n\t\t}\r\n\t\telse {\r\n\t\t\tvar xhr = new window.XMLHttpRequest;\r\n\t\t\txhr.open(options.method, options.url, true, options.user, options.password);\r\n\t\t\txhr.onreadystatechange = function() {\r\n\t\t\t\tif (xhr.readyState === 4) {\r\n\t\t\t\t\tif (xhr.status >= 200 && xhr.status < 300) options.onload({type: \"load\", target: xhr});\r\n\t\t\t\t\telse options.onerror({type: \"error\", target: xhr})\r\n\t\t\t\t}\r\n\t\t\t};\r\n\t\t\tif (options.serialize === JSON.stringify && options.data && options.method !== \"GET\") {\r\n\t\t\t\txhr.setRequestHeader(\"Content-Type\", \"application/json; charset=utf-8\")\r\n\t\t\t}\r\n\t\t\tif (options.deserialize === JSON.parse) {\r\n\t\t\t\txhr.setRequestHeader(\"Accept\", \"application/json, text/*\");\r\n\t\t\t}\r\n\t\t\tif (typeof options.config === FUNCTION) {\r\n\t\t\t\tvar maybeXhr = options.config(xhr, options);\r\n\t\t\t\tif (maybeXhr != null) xhr = maybeXhr\r\n\t\t\t}\r\n\r\n\t\t\tvar data = options.method === \"GET\" || !options.data ? \"\" : options.data\r\n\t\t\tif (data && (type.call(data) != STRING && data.constructor != window.FormData)) {\r\n\t\t\t\tthrow \"Request data should be either be a string or FormData. Check the `serialize` option in `m.request`\";\r\n\t\t\t}\r\n\t\t\txhr.send(data);\r\n\t\t\treturn xhr\r\n\t\t}\r\n\t}\r\n\tfunction bindData(xhrOptions, data, serialize) {\r\n\t\tif (xhrOptions.method === \"GET\" && xhrOptions.dataType != \"jsonp\") {\r\n\t\t\tvar prefix = xhrOptions.url.indexOf(\"?\") < 0 ? \"?\" : \"&\";\r\n\t\t\tvar querystring = buildQueryString(data);\r\n\t\t\txhrOptions.url = xhrOptions.url + (querystring ? prefix + querystring : \"\")\r\n\t\t}\r\n\t\telse xhrOptions.data = serialize(data);\r\n\t\treturn xhrOptions\r\n\t}\r\n\tfunction parameterizeUrl(url, data) {\r\n\t\tvar tokens = url.match(/:[a-z]\\w+/gi);\r\n\t\tif (tokens && data) {\r\n\t\t\tfor (var i = 0; i < tokens.length; i++) {\r\n\t\t\t\tvar key = tokens[i].slice(1);\r\n\t\t\t\turl = url.replace(tokens[i], data[key]);\r\n\t\t\t\tdelete data[key]\r\n\t\t\t}\r\n\t\t}\r\n\t\treturn url\r\n\t}\r\n\r\n\tm.request = function(xhrOptions) {\r\n\t\tif (xhrOptions.background !== true) m.startComputation();\r\n\t\tvar deferred = new Deferred();\r\n\t\tvar isJSONP = xhrOptions.dataType && xhrOptions.dataType.toLowerCase() === \"jsonp\";\r\n\t\tvar serialize = xhrOptions.serialize = isJSONP ? identity : xhrOptions.serialize || JSON.stringify;\r\n\t\tvar deserialize = xhrOptions.deserialize = isJSONP ? identity : xhrOptions.deserialize || JSON.parse;\r\n\t\tvar extract = xhrOptions.extract || function(xhr) {\r\n\t\t\treturn xhr.responseText.length === 0 && deserialize === JSON.parse ? null : xhr.responseText\r\n\t\t};\r\n\t\txhrOptions.url = parameterizeUrl(xhrOptions.url, xhrOptions.data);\r\n\t\txhrOptions = bindData(xhrOptions, xhrOptions.data, serialize);\r\n\t\txhrOptions.onload = xhrOptions.onerror = function(e) {\r\n\t\t\ttry {\r\n\t\t\t\te = e || event;\r\n\t\t\t\tvar unwrap = (e.type === \"load\" ? xhrOptions.unwrapSuccess : xhrOptions.unwrapError) || identity;\r\n\t\t\t\tvar response = unwrap(deserialize(extract(e.target, xhrOptions)), e.target);\r\n\t\t\t\tif (e.type === \"load\") {\r\n\t\t\t\t\tif (type.call(response) === ARRAY && xhrOptions.type) {\r\n\t\t\t\t\t\tfor (var i = 0; i < response.length; i++) response[i] = new xhrOptions.type(response[i])\r\n\t\t\t\t\t}\r\n\t\t\t\t\telse if (xhrOptions.type) response = new xhrOptions.type(response)\r\n\t\t\t\t}\r\n\t\t\t\tdeferred[e.type === \"load\" ? \"resolve\" : \"reject\"](response)\r\n\t\t\t}\r\n\t\t\tcatch (e) {\r\n\t\t\t\tm.deferred.onerror(e);\r\n\t\t\t\tdeferred.reject(e)\r\n\t\t\t}\r\n\t\t\tif (xhrOptions.background !== true) m.endComputation()\r\n\t\t};\r\n\t\tajax(xhrOptions);\r\n\t\tdeferred.promise = propify(deferred.promise, xhrOptions.initialValue);\r\n\t\treturn deferred.promise\r\n\t};\r\n\r\n\t//testing API\r\n\tm.deps = function(mock) {\r\n\t\tinitialize(window = mock || window);\r\n\t\treturn window;\r\n\t};\r\n\t//for internal testing only, do not use `m.deps.factory`\r\n\tm.deps.factory = app;\r\n\r\n\treturn m\r\n})(typeof window != \"undefined\" ? window : {});\r\n\r\nif (typeof module != \"undefined\" && module !== null && module.exports) module.exports = m;\r\nelse if (typeof define === \"function\" && define.amd) define(function() {return m});\r\n"]}