diff options
author | Samy Pessé <samypesse@gmail.com> | 2014-04-09 08:23:11 +0200 |
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committer | Samy Pessé <samypesse@gmail.com> | 2014-04-09 08:23:11 +0200 |
commit | 99594791e0c34aee3659370b8c2072df815c9051 (patch) | |
tree | 5a523d3cbd3aec55a9bbf97beda7bff7605e9b62 | |
parent | 1b432288f041baef2ebe54c96a7a86f547b14c67 (diff) | |
parent | 2cc23b7e3411e1748bc8a25114a7bf9185a210f1 (diff) | |
download | gitbook-99594791e0c34aee3659370b8c2072df815c9051.zip gitbook-99594791e0c34aee3659370b8c2072df815c9051.tar.gz gitbook-99594791e0c34aee3659370b8c2072df815c9051.tar.bz2 |
Merge Optional github
-rw-r--r-- | Gruntfile.js | 2 | ||||
-rw-r--r-- | README.md | 10 | ||||
-rw-r--r-- | lib/parse/lex.js | 5 | ||||
-rw-r--r-- | lib/parse/page.js | 2 | ||||
-rw-r--r-- | lib/parse/renderer.js | 4 | ||||
-rw-r--r-- | package.json | 2 | ||||
-rw-r--r-- | test/fixtures/PAGE.md | 33 | ||||
-rw-r--r-- | test/page.js | 10 | ||||
-rw-r--r-- | theme/assets/app.js | 21410 | ||||
-rw-r--r-- | theme/javascript/core/exercise.js | 3 | ||||
-rw-r--r-- | theme/javascript/execute/javascript.js | 5 | ||||
-rw-r--r-- | theme/javascript/utils/execute.js | 18 | ||||
-rw-r--r-- | theme/templates/includes/book/exercise.html | 3 |
13 files changed, 83 insertions, 21424 deletions
diff --git a/Gruntfile.js b/Gruntfile.js index 4a6a8f4..30a3c68 100644 --- a/Gruntfile.js +++ b/Gruntfile.js @@ -28,7 +28,7 @@ module.exports = function (grunt) { baseUrl: "theme/javascript/", out: "theme/assets/app.js", preserveLicenseComments: false, - optimize: "none", //"uglify", + optimize: "uglify", //"uglify", include: ["requireLib"], paths: { "jQuery": 'vendors/jquery', @@ -89,7 +89,7 @@ An exercise is defined by 4 simple parts: * **Solution** code, being a correct solution to the exercise * **Validation** code that tests the correctness of the user's input -Exercises need to start and finish with a separation bar (```---``` or ```***```). It should contain 3 code elements (**base**, **solution** and **validation**). +Exercises need to start and finish with a separation bar (```---``` or ```***```). It should contain 3 code elements (**base**, **solution** and **validation**). It can contain a 4th element that provides **context** code (functions, imports of libraries etc ... that shouldn't be displayed to the user). --- @@ -107,6 +107,14 @@ Exercises need to start and finish with a separation bar (```---``` or ```***``` assert(x == 10); ``` + ```js + // This is context code available everywhere + // The user will be able to call magicFunc in his code + function magicFunc() { + return 3; + } + ``` + --- #### Multi-Languages diff --git a/lib/parse/lex.js b/lib/parse/lex.js index 6b3236e..def74b4 100644 --- a/lib/parse/lex.js +++ b/lib/parse/lex.js @@ -23,7 +23,10 @@ function sectionType(nodes, idx) { type: 'code' }).length; - if(codeNodes === 3 && (idx % 2) == 1) { + if( + (codeNodes === 3 || codeNodes === 4) && + (idx % 2) === 1) + { return 'exercise'; } diff --git a/lib/parse/page.js b/lib/parse/page.js index 56a9e60..3479c85 100644 --- a/lib/parse/page.js +++ b/lib/parse/page.js @@ -72,6 +72,8 @@ function parsePage(src, options) { base: codeNodes[0].text, solution: codeNodes[1].text, validation: codeNodes[2].text, + // Context is optional + context: codeNodes[3] ? codeNodes[3].text : null, } }; } diff --git a/lib/parse/renderer.js b/lib/parse/renderer.js index 848f6e3..86576f0 100644 --- a/lib/parse/renderer.js +++ b/lib/parse/renderer.js @@ -45,7 +45,7 @@ GitBookRenderer.prototype.link = function(href, title, text) { var o = this._extra_options; // Relative link, rewrite it to point to github repo - if(!parsed.protocol && parsed.path[0] != '/' && o && o.repo && o.dir) { + if(!parsed.protocol && parsed.path && parsed.path[0] != '/' && o && o.repo && o.dir) { href = 'https://github.com/' + o.repo + '/blob' + path.normalize(path.join( '/', o.dir, @@ -79,7 +79,7 @@ GitBookRenderer.prototype.image = function(href, title, text) { var o = this._extra_options; // Relative image, rewrite it depending output - if(!parsed.protocol && parsed.path[0] != '/' && o && o.dir && o.outdir) { + if(!parsed.protocol && parsed.path && parsed.path[0] != '/' && o && o.dir && o.outdir) { _href = path.relative(o.outdir, path.normalize(path.join( o.dir, href diff --git a/package.json b/package.json index a473310..f941831 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "gitbook", - "version": "0.1.2", + "version": "0.1.3", "description": "Library and cmd utility to generate GitBooks", "main": "lib/index.js", "dependencies": { diff --git a/test/fixtures/PAGE.md b/test/fixtures/PAGE.md index 2839e6d..92ee707 100644 --- a/test/fixtures/PAGE.md +++ b/test/fixtures/PAGE.md @@ -30,3 +30,36 @@ Some more nice content .... [Cool stuff](http://gitbook.io) [Link to another Markdown file](./xyz/file.md) + +Lets go for another exercise but this time with some context : + +--- + +Exercise with some context code : + +Using the `double` function provided, build a `quadruple` function + +```py + +``` + +```py + +def quadruple(x): + return double(double(x)) + +``` + +```py +assert(quadruple(8), 32) +``` + +```py + +def double(x): + return x * 2 + +``` + +--- + diff --git a/test/page.js b/test/page.js index 0f54809..658559e 100644 --- a/test/page.js +++ b/test/page.js @@ -16,7 +16,7 @@ var LINKS_CONTENT = fs.readFileSync(path.join(__dirname, './fixtures/GITHUB_LINK describe('Page parsing', function() { it('should detection sections', function() { - assert.equal(LEXED.length, 3); + assert.equal(LEXED.length, 4); }); it('should detection section types', function() { @@ -36,6 +36,14 @@ describe('Page parsing', function() { assert(LEXED[1].code.base); assert(LEXED[1].code.solution); assert(LEXED[1].code.validation); + assert(LEXED[1].code.context === null); + + assert(LEXED[3].content); + assert(LEXED[3].code); + assert(LEXED[3].code.base); + assert(LEXED[3].code.solution); + assert(LEXED[3].code.validation); + assert(LEXED[3].code.context); }); it('should merge sections correctly', function() { diff --git a/theme/assets/app.js b/theme/assets/app.js index 36eb935..8cddd76 100644 --- a/theme/assets/app.js +++ b/theme/assets/app.js @@ -1,21409 +1 @@ -/** vim: et:ts=4:sw=4:sts=4 - * @license RequireJS 2.1.10 Copyright (c) 2010-2014, The Dojo Foundation All Rights Reserved. - * Available via the MIT or new BSD license. - * see: http://github.com/jrburke/requirejs for details - */ -//Not using strict: uneven strict support in browsers, #392, and causes -//problems with requirejs.exec()/transpiler plugins that may not be strict. -/*jslint regexp: true, nomen: true, sloppy: true */ -/*global window, navigator, document, importScripts, setTimeout, opera */ - -var requirejs, require, define; -(function (global) { - var req, s, head, baseElement, dataMain, src, - interactiveScript, currentlyAddingScript, mainScript, subPath, - version = '2.1.10', - commentRegExp = /(\/\*([\s\S]*?)\*\/|([^:]|^)\/\/(.*)$)/mg, - cjsRequireRegExp = /[^.]\s*require\s*\(\s*["']([^'"\s]+)["']\s*\)/g, - jsSuffixRegExp = /\.js$/, - currDirRegExp = /^\.\//, - op = Object.prototype, - ostring = op.toString, - hasOwn = op.hasOwnProperty, - ap = Array.prototype, - apsp = ap.splice, - isBrowser = !!(typeof window !== 'undefined' && typeof navigator !== 'undefined' && window.document), - isWebWorker = !isBrowser && typeof importScripts !== 'undefined', - //PS3 indicates loaded and complete, but need to wait for complete - //specifically. Sequence is 'loading', 'loaded', execution, - // then 'complete'. The UA check is unfortunate, but not sure how - //to feature test w/o causing perf issues. - readyRegExp = isBrowser && navigator.platform === 'PLAYSTATION 3' ? - /^complete$/ : /^(complete|loaded)$/, - defContextName = '_', - //Oh the tragedy, detecting opera. See the usage of isOpera for reason. - isOpera = typeof opera !== 'undefined' && opera.toString() === '[object Opera]', - contexts = {}, - cfg = {}, - globalDefQueue = [], - useInteractive = false; - - function isFunction(it) { - return ostring.call(it) === '[object Function]'; - } - - function isArray(it) { - return ostring.call(it) === '[object Array]'; - } - - /** - * Helper function for iterating over an array. If the func returns - * a true value, it will break out of the loop. - */ - function each(ary, func) { - if (ary) { - var i; - for (i = 0; i < ary.length; i += 1) { - if (ary[i] && func(ary[i], i, ary)) { - break; - } - } - } - } - - /** - * Helper function for iterating over an array backwards. If the func - * returns a true value, it will break out of the loop. - */ - function eachReverse(ary, func) { - if (ary) { - var i; - for (i = ary.length - 1; i > -1; i -= 1) { - if (ary[i] && func(ary[i], i, ary)) { - break; - } - } - } - } - - function hasProp(obj, prop) { - return hasOwn.call(obj, prop); - } - - function getOwn(obj, prop) { - return hasProp(obj, prop) && obj[prop]; - } - - /** - * Cycles over properties in an object and calls a function for each - * property value. If the function returns a truthy value, then the - * iteration is stopped. - */ - function eachProp(obj, func) { - var prop; - for (prop in obj) { - if (hasProp(obj, prop)) { - if (func(obj[prop], prop)) { - break; - } - } - } - } - - /** - * Simple function to mix in properties from source into target, - * but only if target does not already have a property of the same name. - */ - function mixin(target, source, force, deepStringMixin) { - if (source) { - eachProp(source, function (value, prop) { - if (force || !hasProp(target, prop)) { - if (deepStringMixin && typeof value === 'object' && value && - !isArray(value) && !isFunction(value) && - !(value instanceof RegExp)) { - - if (!target[prop]) { - target[prop] = {}; - } - mixin(target[prop], value, force, deepStringMixin); - } else { - target[prop] = value; - } - } - }); - } - return target; - } - - //Similar to Function.prototype.bind, but the 'this' object is specified - //first, since it is easier to read/figure out what 'this' will be. - function bind(obj, fn) { - return function () { - return fn.apply(obj, arguments); - }; - } - - function scripts() { - return document.getElementsByTagName('script'); - } - - function defaultOnError(err) { - throw err; - } - - //Allow getting a global that expressed in - //dot notation, like 'a.b.c'. - function getGlobal(value) { - if (!value) { - return value; - } - var g = global; - each(value.split('.'), function (part) { - g = g[part]; - }); - return g; - } - - /** - * Constructs an error with a pointer to an URL with more information. - * @param {String} id the error ID that maps to an ID on a web page. - * @param {String} message human readable error. - * @param {Error} [err] the original error, if there is one. - * - * @returns {Error} - */ - function makeError(id, msg, err, requireModules) { - var e = new Error(msg + '\nhttp://requirejs.org/docs/errors.html#' + id); - e.requireType = id; - e.requireModules = requireModules; - if (err) { - e.originalError = err; - } - return e; - } - - if (typeof define !== 'undefined') { - //If a define is already in play via another AMD loader, - //do not overwrite. - return; - } - - if (typeof requirejs !== 'undefined') { - if (isFunction(requirejs)) { - //Do not overwrite and existing requirejs instance. - return; - } - cfg = requirejs; - requirejs = undefined; - } - - //Allow for a require config object - if (typeof require !== 'undefined' && !isFunction(require)) { - //assume it is a config object. - cfg = require; - require = undefined; - } - - function newContext(contextName) { - var inCheckLoaded, Module, context, handlers, - checkLoadedTimeoutId, - config = { - //Defaults. Do not set a default for map - //config to speed up normalize(), which - //will run faster if there is no default. - waitSeconds: 7, - baseUrl: './', - paths: {}, - bundles: {}, - pkgs: {}, - shim: {}, - config: {} - }, - registry = {}, - //registry of just enabled modules, to speed - //cycle breaking code when lots of modules - //are registered, but not activated. - enabledRegistry = {}, - undefEvents = {}, - defQueue = [], - defined = {}, - urlFetched = {}, - bundlesMap = {}, - requireCounter = 1, - unnormalizedCounter = 1; - - /** - * Trims the . and .. from an array of path segments. - * It will keep a leading path segment if a .. will become - * the first path segment, to help with module name lookups, - * which act like paths, but can be remapped. But the end result, - * all paths that use this function should look normalized. - * NOTE: this method MODIFIES the input array. - * @param {Array} ary the array of path segments. - */ - function trimDots(ary) { - var i, part, length = ary.length; - for (i = 0; i < length; i++) { - part = ary[i]; - if (part === '.') { - ary.splice(i, 1); - i -= 1; - } else if (part === '..') { - if (i === 1 && (ary[2] === '..' || ary[0] === '..')) { - //End of the line. Keep at least one non-dot - //path segment at the front so it can be mapped - //correctly to disk. Otherwise, there is likely - //no path mapping for a path starting with '..'. - //This can still fail, but catches the most reasonable - //uses of .. - break; - } else if (i > 0) { - ary.splice(i - 1, 2); - i -= 2; - } - } - } - } - - /** - * Given a relative module name, like ./something, normalize it to - * a real name that can be mapped to a path. - * @param {String} name the relative name - * @param {String} baseName a real name that the name arg is relative - * to. - * @param {Boolean} applyMap apply the map config to the value. Should - * only be done if this normalization is for a dependency ID. - * @returns {String} normalized name - */ - function normalize(name, baseName, applyMap) { - var pkgMain, mapValue, nameParts, i, j, nameSegment, lastIndex, - foundMap, foundI, foundStarMap, starI, - baseParts = baseName && baseName.split('/'), - normalizedBaseParts = baseParts, - map = config.map, - starMap = map && map['*']; - - //Adjust any relative paths. - if (name && name.charAt(0) === '.') { - //If have a base name, try to normalize against it, - //otherwise, assume it is a top-level require that will - //be relative to baseUrl in the end. - if (baseName) { - //Convert baseName to array, and lop off the last part, - //so that . matches that 'directory' and not name of the baseName's - //module. For instance, baseName of 'one/two/three', maps to - //'one/two/three.js', but we want the directory, 'one/two' for - //this normalization. - normalizedBaseParts = baseParts.slice(0, baseParts.length - 1); - name = name.split('/'); - lastIndex = name.length - 1; - - // If wanting node ID compatibility, strip .js from end - // of IDs. Have to do this here, and not in nameToUrl - // because node allows either .js or non .js to map - // to same file. - if (config.nodeIdCompat && jsSuffixRegExp.test(name[lastIndex])) { - name[lastIndex] = name[lastIndex].replace(jsSuffixRegExp, ''); - } - - name = normalizedBaseParts.concat(name); - trimDots(name); - name = name.join('/'); - } else if (name.indexOf('./') === 0) { - // No baseName, so this is ID is resolved relative - // to baseUrl, pull off the leading dot. - name = name.substring(2); - } - } - - //Apply map config if available. - if (applyMap && map && (baseParts || starMap)) { - nameParts = name.split('/'); - - outerLoop: for (i = nameParts.length; i > 0; i -= 1) { - nameSegment = nameParts.slice(0, i).join('/'); - - if (baseParts) { - //Find the longest baseName segment match in the config. - //So, do joins on the biggest to smallest lengths of baseParts. - for (j = baseParts.length; j > 0; j -= 1) { - mapValue = getOwn(map, baseParts.slice(0, j).join('/')); - - //baseName segment has config, find if it has one for - //this name. - if (mapValue) { - mapValue = getOwn(mapValue, nameSegment); - if (mapValue) { - //Match, update name to the new value. - foundMap = mapValue; - foundI = i; - break outerLoop; - } - } - } - } - - //Check for a star map match, but just hold on to it, - //if there is a shorter segment match later in a matching - //config, then favor over this star map. - if (!foundStarMap && starMap && getOwn(starMap, nameSegment)) { - foundStarMap = getOwn(starMap, nameSegment); - starI = i; - } - } - - if (!foundMap && foundStarMap) { - foundMap = foundStarMap; - foundI = starI; - } - - if (foundMap) { - nameParts.splice(0, foundI, foundMap); - name = nameParts.join('/'); - } - } - - // If the name points to a package's name, use - // the package main instead. - pkgMain = getOwn(config.pkgs, name); - - return pkgMain ? pkgMain : name; - } - - function removeScript(name) { - if (isBrowser) { - each(scripts(), function (scriptNode) { - if (scriptNode.getAttribute('data-requiremodule') === name && - scriptNode.getAttribute('data-requirecontext') === context.contextName) { - scriptNode.parentNode.removeChild(scriptNode); - return true; - } - }); - } - } - - function hasPathFallback(id) { - var pathConfig = getOwn(config.paths, id); - if (pathConfig && isArray(pathConfig) && pathConfig.length > 1) { - //Pop off the first array value, since it failed, and - //retry - pathConfig.shift(); - context.require.undef(id); - context.require([id]); - return true; - } - } - - //Turns a plugin!resource to [plugin, resource] - //with the plugin being undefined if the name - //did not have a plugin prefix. - function splitPrefix(name) { - var prefix, - index = name ? name.indexOf('!') : -1; - if (index > -1) { - prefix = name.substring(0, index); - name = name.substring(index + 1, name.length); - } - return [prefix, name]; - } - - /** - * Creates a module mapping that includes plugin prefix, module - * name, and path. If parentModuleMap is provided it will - * also normalize the name via require.normalize() - * - * @param {String} name the module name - * @param {String} [parentModuleMap] parent module map - * for the module name, used to resolve relative names. - * @param {Boolean} isNormalized: is the ID already normalized. - * This is true if this call is done for a define() module ID. - * @param {Boolean} applyMap: apply the map config to the ID. - * Should only be true if this map is for a dependency. - * - * @returns {Object} - */ - function makeModuleMap(name, parentModuleMap, isNormalized, applyMap) { - var url, pluginModule, suffix, nameParts, - prefix = null, - parentName = parentModuleMap ? parentModuleMap.name : null, - originalName = name, - isDefine = true, - normalizedName = ''; - - //If no name, then it means it is a require call, generate an - //internal name. - if (!name) { - isDefine = false; - name = '_@r' + (requireCounter += 1); - } - - nameParts = splitPrefix(name); - prefix = nameParts[0]; - name = nameParts[1]; - - if (prefix) { - prefix = normalize(prefix, parentName, applyMap); - pluginModule = getOwn(defined, prefix); - } - - //Account for relative paths if there is a base name. - if (name) { - if (prefix) { - if (pluginModule && pluginModule.normalize) { - //Plugin is loaded, use its normalize method. - normalizedName = pluginModule.normalize(name, function (name) { - return normalize(name, parentName, applyMap); - }); - } else { - normalizedName = normalize(name, parentName, applyMap); - } - } else { - //A regular module. - normalizedName = normalize(name, parentName, applyMap); - - //Normalized name may be a plugin ID due to map config - //application in normalize. The map config values must - //already be normalized, so do not need to redo that part. - nameParts = splitPrefix(normalizedName); - prefix = nameParts[0]; - normalizedName = nameParts[1]; - isNormalized = true; - - url = context.nameToUrl(normalizedName); - } - } - - //If the id is a plugin id that cannot be determined if it needs - //normalization, stamp it with a unique ID so two matching relative - //ids that may conflict can be separate. - suffix = prefix && !pluginModule && !isNormalized ? - '_unnormalized' + (unnormalizedCounter += 1) : - ''; - - return { - prefix: prefix, - name: normalizedName, - parentMap: parentModuleMap, - unnormalized: !!suffix, - url: url, - originalName: originalName, - isDefine: isDefine, - id: (prefix ? - prefix + '!' + normalizedName : - normalizedName) + suffix - }; - } - - function getModule(depMap) { - var id = depMap.id, - mod = getOwn(registry, id); - - if (!mod) { - mod = registry[id] = new context.Module(depMap); - } - - return mod; - } - - function on(depMap, name, fn) { - var id = depMap.id, - mod = getOwn(registry, id); - - if (hasProp(defined, id) && - (!mod || mod.defineEmitComplete)) { - if (name === 'defined') { - fn(defined[id]); - } - } else { - mod = getModule(depMap); - if (mod.error && name === 'error') { - fn(mod.error); - } else { - mod.on(name, fn); - } - } - } - - function onError(err, errback) { - var ids = err.requireModules, - notified = false; - - if (errback) { - errback(err); - } else { - each(ids, function (id) { - var mod = getOwn(registry, id); - if (mod) { - //Set error on module, so it skips timeout checks. - mod.error = err; - if (mod.events.error) { - notified = true; - mod.emit('error', err); - } - } - }); - - if (!notified) { - req.onError(err); - } - } - } - - /** - * Internal method to transfer globalQueue items to this context's - * defQueue. - */ - function takeGlobalQueue() { - //Push all the globalDefQueue items into the context's defQueue - if (globalDefQueue.length) { - //Array splice in the values since the context code has a - //local var ref to defQueue, so cannot just reassign the one - //on context. - apsp.apply(defQueue, - [defQueue.length, 0].concat(globalDefQueue)); - globalDefQueue = []; - } - } - - handlers = { - 'require': function (mod) { - if (mod.require) { - return mod.require; - } else { - return (mod.require = context.makeRequire(mod.map)); - } - }, - 'exports': function (mod) { - mod.usingExports = true; - if (mod.map.isDefine) { - if (mod.exports) { - return mod.exports; - } else { - return (mod.exports = defined[mod.map.id] = {}); - } - } - }, - 'module': function (mod) { - if (mod.module) { - return mod.module; - } else { - return (mod.module = { - id: mod.map.id, - uri: mod.map.url, - config: function () { - return getOwn(config.config, mod.map.id) || {}; - }, - exports: handlers.exports(mod) - }); - } - } - }; - - function cleanRegistry(id) { - //Clean up machinery used for waiting modules. - delete registry[id]; - delete enabledRegistry[id]; - } - - function breakCycle(mod, traced, processed) { - var id = mod.map.id; - - if (mod.error) { - mod.emit('error', mod.error); - } else { - traced[id] = true; - each(mod.depMaps, function (depMap, i) { - var depId = depMap.id, - dep = getOwn(registry, depId); - - //Only force things that have not completed - //being defined, so still in the registry, - //and only if it has not been matched up - //in the module already. - if (dep && !mod.depMatched[i] && !processed[depId]) { - if (getOwn(traced, depId)) { - mod.defineDep(i, defined[depId]); - mod.check(); //pass false? - } else { - breakCycle(dep, traced, processed); - } - } - }); - processed[id] = true; - } - } - - function checkLoaded() { - var err, usingPathFallback, - waitInterval = config.waitSeconds * 1000, - //It is possible to disable the wait interval by using waitSeconds of 0. - expired = waitInterval && (context.startTime + waitInterval) < new Date().getTime(), - noLoads = [], - reqCalls = [], - stillLoading = false, - needCycleCheck = true; - - //Do not bother if this call was a result of a cycle break. - if (inCheckLoaded) { - return; - } - - inCheckLoaded = true; - - //Figure out the state of all the modules. - eachProp(enabledRegistry, function (mod) { - var map = mod.map, - modId = map.id; - - //Skip things that are not enabled or in error state. - if (!mod.enabled) { - return; - } - - if (!map.isDefine) { - reqCalls.push(mod); - } - - if (!mod.error) { - //If the module should be executed, and it has not - //been inited and time is up, remember it. - if (!mod.inited && expired) { - if (hasPathFallback(modId)) { - usingPathFallback = true; - stillLoading = true; - } else { - noLoads.push(modId); - removeScript(modId); - } - } else if (!mod.inited && mod.fetched && map.isDefine) { - stillLoading = true; - if (!map.prefix) { - //No reason to keep looking for unfinished - //loading. If the only stillLoading is a - //plugin resource though, keep going, - //because it may be that a plugin resource - //is waiting on a non-plugin cycle. - return (needCycleCheck = false); - } - } - } - }); - - if (expired && noLoads.length) { - //If wait time expired, throw error of unloaded modules. - err = makeError('timeout', 'Load timeout for modules: ' + noLoads, null, noLoads); - err.contextName = context.contextName; - return onError(err); - } - - //Not expired, check for a cycle. - if (needCycleCheck) { - each(reqCalls, function (mod) { - breakCycle(mod, {}, {}); - }); - } - - //If still waiting on loads, and the waiting load is something - //other than a plugin resource, or there are still outstanding - //scripts, then just try back later. - if ((!expired || usingPathFallback) && stillLoading) { - //Something is still waiting to load. Wait for it, but only - //if a timeout is not already in effect. - if ((isBrowser || isWebWorker) && !checkLoadedTimeoutId) { - checkLoadedTimeoutId = setTimeout(function () { - checkLoadedTimeoutId = 0; - checkLoaded(); - }, 50); - } - } - - inCheckLoaded = false; - } - - Module = function (map) { - this.events = getOwn(undefEvents, map.id) || {}; - this.map = map; - this.shim = getOwn(config.shim, map.id); - this.depExports = []; - this.depMaps = []; - this.depMatched = []; - this.pluginMaps = {}; - this.depCount = 0; - - /* this.exports this.factory - this.depMaps = [], - this.enabled, this.fetched - */ - }; - - Module.prototype = { - init: function (depMaps, factory, errback, options) { - options = options || {}; - - //Do not do more inits if already done. Can happen if there - //are multiple define calls for the same module. That is not - //a normal, common case, but it is also not unexpected. - if (this.inited) { - return; - } - - this.factory = factory; - - if (errback) { - //Register for errors on this module. - this.on('error', errback); - } else if (this.events.error) { - //If no errback already, but there are error listeners - //on this module, set up an errback to pass to the deps. - errback = bind(this, function (err) { - this.emit('error', err); - }); - } - - //Do a copy of the dependency array, so that - //source inputs are not modified. For example - //"shim" deps are passed in here directly, and - //doing a direct modification of the depMaps array - //would affect that config. - this.depMaps = depMaps && depMaps.slice(0); - - this.errback = errback; - - //Indicate this module has be initialized - this.inited = true; - - this.ignore = options.ignore; - - //Could have option to init this module in enabled mode, - //or could have been previously marked as enabled. However, - //the dependencies are not known until init is called. So - //if enabled previously, now trigger dependencies as enabled. - if (options.enabled || this.enabled) { - //Enable this module and dependencies. - //Will call this.check() - this.enable(); - } else { - this.check(); - } - }, - - defineDep: function (i, depExports) { - //Because of cycles, defined callback for a given - //export can be called more than once. - if (!this.depMatched[i]) { - this.depMatched[i] = true; - this.depCount -= 1; - this.depExports[i] = depExports; - } - }, - - fetch: function () { - if (this.fetched) { - return; - } - this.fetched = true; - - context.startTime = (new Date()).getTime(); - - var map = this.map; - - //If the manager is for a plugin managed resource, - //ask the plugin to load it now. - if (this.shim) { - context.makeRequire(this.map, { - enableBuildCallback: true - })(this.shim.deps || [], bind(this, function () { - return map.prefix ? this.callPlugin() : this.load(); - })); - } else { - //Regular dependency. - return map.prefix ? this.callPlugin() : this.load(); - } - }, - - load: function () { - var url = this.map.url; - - //Regular dependency. - if (!urlFetched[url]) { - urlFetched[url] = true; - context.load(this.map.id, url); - } - }, - - /** - * Checks if the module is ready to define itself, and if so, - * define it. - */ - check: function () { - if (!this.enabled || this.enabling) { - return; - } - - var err, cjsModule, - id = this.map.id, - depExports = this.depExports, - exports = this.exports, - factory = this.factory; - - if (!this.inited) { - this.fetch(); - } else if (this.error) { - this.emit('error', this.error); - } else if (!this.defining) { - //The factory could trigger another require call - //that would result in checking this module to - //define itself again. If already in the process - //of doing that, skip this work. - this.defining = true; - - if (this.depCount < 1 && !this.defined) { - if (isFunction(factory)) { - //If there is an error listener, favor passing - //to that instead of throwing an error. However, - //only do it for define()'d modules. require - //errbacks should not be called for failures in - //their callbacks (#699). However if a global - //onError is set, use that. - if ((this.events.error && this.map.isDefine) || - req.onError !== defaultOnError) { - try { - exports = context.execCb(id, factory, depExports, exports); - } catch (e) { - err = e; - } - } else { - exports = context.execCb(id, factory, depExports, exports); - } - - // Favor return value over exports. If node/cjs in play, - // then will not have a return value anyway. Favor - // module.exports assignment over exports object. - if (this.map.isDefine && exports === undefined) { - cjsModule = this.module; - if (cjsModule) { - exports = cjsModule.exports; - } else if (this.usingExports) { - //exports already set the defined value. - exports = this.exports; - } - } - - if (err) { - err.requireMap = this.map; - err.requireModules = this.map.isDefine ? [this.map.id] : null; - err.requireType = this.map.isDefine ? 'define' : 'require'; - return onError((this.error = err)); - } - - } else { - //Just a literal value - exports = factory; - } - - this.exports = exports; - - if (this.map.isDefine && !this.ignore) { - defined[id] = exports; - - if (req.onResourceLoad) { - req.onResourceLoad(context, this.map, this.depMaps); - } - } - - //Clean up - cleanRegistry(id); - - this.defined = true; - } - - //Finished the define stage. Allow calling check again - //to allow define notifications below in the case of a - //cycle. - this.defining = false; - - if (this.defined && !this.defineEmitted) { - this.defineEmitted = true; - this.emit('defined', this.exports); - this.defineEmitComplete = true; - } - - } - }, - - callPlugin: function () { - var map = this.map, - id = map.id, - //Map already normalized the prefix. - pluginMap = makeModuleMap(map.prefix); - - //Mark this as a dependency for this plugin, so it - //can be traced for cycles. - this.depMaps.push(pluginMap); - - on(pluginMap, 'defined', bind(this, function (plugin) { - var load, normalizedMap, normalizedMod, - bundleId = getOwn(bundlesMap, this.map.id), - name = this.map.name, - parentName = this.map.parentMap ? this.map.parentMap.name : null, - localRequire = context.makeRequire(map.parentMap, { - enableBuildCallback: true - }); - - //If current map is not normalized, wait for that - //normalized name to load instead of continuing. - if (this.map.unnormalized) { - //Normalize the ID if the plugin allows it. - if (plugin.normalize) { - name = plugin.normalize(name, function (name) { - return normalize(name, parentName, true); - }) || ''; - } - - //prefix and name should already be normalized, no need - //for applying map config again either. - normalizedMap = makeModuleMap(map.prefix + '!' + name, - this.map.parentMap); - on(normalizedMap, - 'defined', bind(this, function (value) { - this.init([], function () { return value; }, null, { - enabled: true, - ignore: true - }); - })); - - normalizedMod = getOwn(registry, normalizedMap.id); - if (normalizedMod) { - //Mark this as a dependency for this plugin, so it - //can be traced for cycles. - this.depMaps.push(normalizedMap); - - if (this.events.error) { - normalizedMod.on('error', bind(this, function (err) { - this.emit('error', err); - })); - } - normalizedMod.enable(); - } - - return; - } - - //If a paths config, then just load that file instead to - //resolve the plugin, as it is built into that paths layer. - if (bundleId) { - this.map.url = context.nameToUrl(bundleId); - this.load(); - return; - } - - load = bind(this, function (value) { - this.init([], function () { return value; }, null, { - enabled: true - }); - }); - - load.error = bind(this, function (err) { - this.inited = true; - this.error = err; - err.requireModules = [id]; - - //Remove temp unnormalized modules for this module, - //since they will never be resolved otherwise now. - eachProp(registry, function (mod) { - if (mod.map.id.indexOf(id + '_unnormalized') === 0) { - cleanRegistry(mod.map.id); - } - }); - - onError(err); - }); - - //Allow plugins to load other code without having to know the - //context or how to 'complete' the load. - load.fromText = bind(this, function (text, textAlt) { - /*jslint evil: true */ - var moduleName = map.name, - moduleMap = makeModuleMap(moduleName), - hasInteractive = useInteractive; - - //As of 2.1.0, support just passing the text, to reinforce - //fromText only being called once per resource. Still - //support old style of passing moduleName but discard - //that moduleName in favor of the internal ref. - if (textAlt) { - text = textAlt; - } - - //Turn off interactive script matching for IE for any define - //calls in the text, then turn it back on at the end. - if (hasInteractive) { - useInteractive = false; - } - - //Prime the system by creating a module instance for - //it. - getModule(moduleMap); - - //Transfer any config to this other module. - if (hasProp(config.config, id)) { - config.config[moduleName] = config.config[id]; - } - - try { - req.exec(text); - } catch (e) { - return onError(makeError('fromtexteval', - 'fromText eval for ' + id + - ' failed: ' + e, - e, - [id])); - } - - if (hasInteractive) { - useInteractive = true; - } - - //Mark this as a dependency for the plugin - //resource - this.depMaps.push(moduleMap); - - //Support anonymous modules. - context.completeLoad(moduleName); - - //Bind the value of that module to the value for this - //resource ID. - localRequire([moduleName], load); - }); - - //Use parentName here since the plugin's name is not reliable, - //could be some weird string with no path that actually wants to - //reference the parentName's path. - plugin.load(map.name, localRequire, load, config); - })); - - context.enable(pluginMap, this); - this.pluginMaps[pluginMap.id] = pluginMap; - }, - - enable: function () { - enabledRegistry[this.map.id] = this; - this.enabled = true; - - //Set flag mentioning that the module is enabling, - //so that immediate calls to the defined callbacks - //for dependencies do not trigger inadvertent load - //with the depCount still being zero. - this.enabling = true; - - //Enable each dependency - each(this.depMaps, bind(this, function (depMap, i) { - var id, mod, handler; - - if (typeof depMap === 'string') { - //Dependency needs to be converted to a depMap - //and wired up to this module. - depMap = makeModuleMap(depMap, - (this.map.isDefine ? this.map : this.map.parentMap), - false, - !this.skipMap); - this.depMaps[i] = depMap; - - handler = getOwn(handlers, depMap.id); - - if (handler) { - this.depExports[i] = handler(this); - return; - } - - this.depCount += 1; - - on(depMap, 'defined', bind(this, function (depExports) { - this.defineDep(i, depExports); - this.check(); - })); - - if (this.errback) { - on(depMap, 'error', bind(this, this.errback)); - } - } - - id = depMap.id; - mod = registry[id]; - - //Skip special modules like 'require', 'exports', 'module' - //Also, don't call enable if it is already enabled, - //important in circular dependency cases. - if (!hasProp(handlers, id) && mod && !mod.enabled) { - context.enable(depMap, this); - } - })); - - //Enable each plugin that is used in - //a dependency - eachProp(this.pluginMaps, bind(this, function (pluginMap) { - var mod = getOwn(registry, pluginMap.id); - if (mod && !mod.enabled) { - context.enable(pluginMap, this); - } - })); - - this.enabling = false; - - this.check(); - }, - - on: function (name, cb) { - var cbs = this.events[name]; - if (!cbs) { - cbs = this.events[name] = []; - } - cbs.push(cb); - }, - - emit: function (name, evt) { - each(this.events[name], function (cb) { - cb(evt); - }); - if (name === 'error') { - //Now that the error handler was triggered, remove - //the listeners, since this broken Module instance - //can stay around for a while in the registry. - delete this.events[name]; - } - } - }; - - function callGetModule(args) { - //Skip modules already defined. - if (!hasProp(defined, args[0])) { - getModule(makeModuleMap(args[0], null, true)).init(args[1], args[2]); - } - } - - function removeListener(node, func, name, ieName) { - //Favor detachEvent because of IE9 - //issue, see attachEvent/addEventListener comment elsewhere - //in this file. - if (node.detachEvent && !isOpera) { - //Probably IE. If not it will throw an error, which will be - //useful to know. - if (ieName) { - node.detachEvent(ieName, func); - } - } else { - node.removeEventListener(name, func, false); - } - } - - /** - * Given an event from a script node, get the requirejs info from it, - * and then removes the event listeners on the node. - * @param {Event} evt - * @returns {Object} - */ - function getScriptData(evt) { - //Using currentTarget instead of target for Firefox 2.0's sake. Not - //all old browsers will be supported, but this one was easy enough - //to support and still makes sense. - var node = evt.currentTarget || evt.srcElement; - - //Remove the listeners once here. - removeListener(node, context.onScriptLoad, 'load', 'onreadystatechange'); - removeListener(node, context.onScriptError, 'error'); - - return { - node: node, - id: node && node.getAttribute('data-requiremodule') - }; - } - - function intakeDefines() { - var args; - - //Any defined modules in the global queue, intake them now. - takeGlobalQueue(); - - //Make sure any remaining defQueue items get properly processed. - while (defQueue.length) { - args = defQueue.shift(); - if (args[0] === null) { - return onError(makeError('mismatch', 'Mismatched anonymous define() module: ' + args[args.length - 1])); - } else { - //args are id, deps, factory. Should be normalized by the - //define() function. - callGetModule(args); - } - } - } - - context = { - config: config, - contextName: contextName, - registry: registry, - defined: defined, - urlFetched: urlFetched, - defQueue: defQueue, - Module: Module, - makeModuleMap: makeModuleMap, - nextTick: req.nextTick, - onError: onError, - - /** - * Set a configuration for the context. - * @param {Object} cfg config object to integrate. - */ - configure: function (cfg) { - //Make sure the baseUrl ends in a slash. - if (cfg.baseUrl) { - if (cfg.baseUrl.charAt(cfg.baseUrl.length - 1) !== '/') { - cfg.baseUrl += '/'; - } - } - - //Save off the paths since they require special processing, - //they are additive. - var shim = config.shim, - objs = { - paths: true, - bundles: true, - config: true, - map: true - }; - - eachProp(cfg, function (value, prop) { - if (objs[prop]) { - if (!config[prop]) { - config[prop] = {}; - } - mixin(config[prop], value, true, true); - } else { - config[prop] = value; - } - }); - - //Reverse map the bundles - if (cfg.bundles) { - eachProp(cfg.bundles, function (value, prop) { - each(value, function (v) { - if (v !== prop) { - bundlesMap[v] = prop; - } - }); - }); - } - - //Merge shim - if (cfg.shim) { - eachProp(cfg.shim, function (value, id) { - //Normalize the structure - if (isArray(value)) { - value = { - deps: value - }; - } - if ((value.exports || value.init) && !value.exportsFn) { - value.exportsFn = context.makeShimExports(value); - } - shim[id] = value; - }); - config.shim = shim; - } - - //Adjust packages if necessary. - if (cfg.packages) { - each(cfg.packages, function (pkgObj) { - var location, name; - - pkgObj = typeof pkgObj === 'string' ? { name: pkgObj } : pkgObj; - - name = pkgObj.name; - location = pkgObj.location; - if (location) { - config.paths[name] = pkgObj.location; - } - - //Save pointer to main module ID for pkg name. - //Remove leading dot in main, so main paths are normalized, - //and remove any trailing .js, since different package - //envs have different conventions: some use a module name, - //some use a file name. - config.pkgs[name] = pkgObj.name + '/' + (pkgObj.main || 'main') - .replace(currDirRegExp, '') - .replace(jsSuffixRegExp, ''); - }); - } - - //If there are any "waiting to execute" modules in the registry, - //update the maps for them, since their info, like URLs to load, - //may have changed. - eachProp(registry, function (mod, id) { - //If module already has init called, since it is too - //late to modify them, and ignore unnormalized ones - //since they are transient. - if (!mod.inited && !mod.map.unnormalized) { - mod.map = makeModuleMap(id); - } - }); - - //If a deps array or a config callback is specified, then call - //require with those args. This is useful when require is defined as a - //config object before require.js is loaded. - if (cfg.deps || cfg.callback) { - context.require(cfg.deps || [], cfg.callback); - } - }, - - makeShimExports: function (value) { - function fn() { - var ret; - if (value.init) { - ret = value.init.apply(global, arguments); - } - return ret || (value.exports && getGlobal(value.exports)); - } - return fn; - }, - - makeRequire: function (relMap, options) { - options = options || {}; - - function localRequire(deps, callback, errback) { - var id, map, requireMod; - - if (options.enableBuildCallback && callback && isFunction(callback)) { - callback.__requireJsBuild = true; - } - - if (typeof deps === 'string') { - if (isFunction(callback)) { - //Invalid call - return onError(makeError('requireargs', 'Invalid require call'), errback); - } - - //If require|exports|module are requested, get the - //value for them from the special handlers. Caveat: - //this only works while module is being defined. - if (relMap && hasProp(handlers, deps)) { - return handlers[deps](registry[relMap.id]); - } - - //Synchronous access to one module. If require.get is - //available (as in the Node adapter), prefer that. - if (req.get) { - return req.get(context, deps, relMap, localRequire); - } - - //Normalize module name, if it contains . or .. - map = makeModuleMap(deps, relMap, false, true); - id = map.id; - - if (!hasProp(defined, id)) { - return onError(makeError('notloaded', 'Module name "' + - id + - '" has not been loaded yet for context: ' + - contextName + - (relMap ? '' : '. Use require([])'))); - } - return defined[id]; - } - - //Grab defines waiting in the global queue. - intakeDefines(); - - //Mark all the dependencies as needing to be loaded. - context.nextTick(function () { - //Some defines could have been added since the - //require call, collect them. - intakeDefines(); - - requireMod = getModule(makeModuleMap(null, relMap)); - - //Store if map config should be applied to this require - //call for dependencies. - requireMod.skipMap = options.skipMap; - - requireMod.init(deps, callback, errback, { - enabled: true - }); - - checkLoaded(); - }); - - return localRequire; - } - - mixin(localRequire, { - isBrowser: isBrowser, - - /** - * Converts a module name + .extension into an URL path. - * *Requires* the use of a module name. It does not support using - * plain URLs like nameToUrl. - */ - toUrl: function (moduleNamePlusExt) { - var ext, - index = moduleNamePlusExt.lastIndexOf('.'), - segment = moduleNamePlusExt.split('/')[0], - isRelative = segment === '.' || segment === '..'; - - //Have a file extension alias, and it is not the - //dots from a relative path. - if (index !== -1 && (!isRelative || index > 1)) { - ext = moduleNamePlusExt.substring(index, moduleNamePlusExt.length); - moduleNamePlusExt = moduleNamePlusExt.substring(0, index); - } - - return context.nameToUrl(normalize(moduleNamePlusExt, - relMap && relMap.id, true), ext, true); - }, - - defined: function (id) { - return hasProp(defined, makeModuleMap(id, relMap, false, true).id); - }, - - specified: function (id) { - id = makeModuleMap(id, relMap, false, true).id; - return hasProp(defined, id) || hasProp(registry, id); - } - }); - - //Only allow undef on top level require calls - if (!relMap) { - localRequire.undef = function (id) { - //Bind any waiting define() calls to this context, - //fix for #408 - takeGlobalQueue(); - - var map = makeModuleMap(id, relMap, true), - mod = getOwn(registry, id); - - removeScript(id); - - delete defined[id]; - delete urlFetched[map.url]; - delete undefEvents[id]; - - //Clean queued defines too. Go backwards - //in array so that the splices do not - //mess up the iteration. - eachReverse(defQueue, function(args, i) { - if(args[0] === id) { - defQueue.splice(i, 1); - } - }); - - if (mod) { - //Hold on to listeners in case the - //module will be attempted to be reloaded - //using a different config. - if (mod.events.defined) { - undefEvents[id] = mod.events; - } - - cleanRegistry(id); - } - }; - } - - return localRequire; - }, - - /** - * Called to enable a module if it is still in the registry - * awaiting enablement. A second arg, parent, the parent module, - * is passed in for context, when this method is overriden by - * the optimizer. Not shown here to keep code compact. - */ - enable: function (depMap) { - var mod = getOwn(registry, depMap.id); - if (mod) { - getModule(depMap).enable(); - } - }, - - /** - * Internal method used by environment adapters to complete a load event. - * A load event could be a script load or just a load pass from a synchronous - * load call. - * @param {String} moduleName the name of the module to potentially complete. - */ - completeLoad: function (moduleName) { - var found, args, mod, - shim = getOwn(config.shim, moduleName) || {}, - shExports = shim.exports; - - takeGlobalQueue(); - - while (defQueue.length) { - args = defQueue.shift(); - if (args[0] === null) { - args[0] = moduleName; - //If already found an anonymous module and bound it - //to this name, then this is some other anon module - //waiting for its completeLoad to fire. - if (found) { - break; - } - found = true; - } else if (args[0] === moduleName) { - //Found matching define call for this script! - found = true; - } - - callGetModule(args); - } - - //Do this after the cycle of callGetModule in case the result - //of those calls/init calls changes the registry. - mod = getOwn(registry, moduleName); - - if (!found && !hasProp(defined, moduleName) && mod && !mod.inited) { - if (config.enforceDefine && (!shExports || !getGlobal(shExports))) { - if (hasPathFallback(moduleName)) { - return; - } else { - return onError(makeError('nodefine', - 'No define call for ' + moduleName, - null, - [moduleName])); - } - } else { - //A script that does not call define(), so just simulate - //the call for it. - callGetModule([moduleName, (shim.deps || []), shim.exportsFn]); - } - } - - checkLoaded(); - }, - - /** - * Converts a module name to a file path. Supports cases where - * moduleName may actually be just an URL. - * Note that it **does not** call normalize on the moduleName, - * it is assumed to have already been normalized. This is an - * internal API, not a public one. Use toUrl for the public API. - */ - nameToUrl: function (moduleName, ext, skipExt) { - var paths, syms, i, parentModule, url, - parentPath, bundleId, - pkgMain = getOwn(config.pkgs, moduleName); - - if (pkgMain) { - moduleName = pkgMain; - } - - bundleId = getOwn(bundlesMap, moduleName); - - if (bundleId) { - return context.nameToUrl(bundleId, ext, skipExt); - } - - //If a colon is in the URL, it indicates a protocol is used and it is just - //an URL to a file, or if it starts with a slash, contains a query arg (i.e. ?) - //or ends with .js, then assume the user meant to use an url and not a module id. - //The slash is important for protocol-less URLs as well as full paths. - if (req.jsExtRegExp.test(moduleName)) { - //Just a plain path, not module name lookup, so just return it. - //Add extension if it is included. This is a bit wonky, only non-.js things pass - //an extension, this method probably needs to be reworked. - url = moduleName + (ext || ''); - } else { - //A module that needs to be converted to a path. - paths = config.paths; - - syms = moduleName.split('/'); - //For each module name segment, see if there is a path - //registered for it. Start with most specific name - //and work up from it. - for (i = syms.length; i > 0; i -= 1) { - parentModule = syms.slice(0, i).join('/'); - - parentPath = getOwn(paths, parentModule); - if (parentPath) { - //If an array, it means there are a few choices, - //Choose the one that is desired - if (isArray(parentPath)) { - parentPath = parentPath[0]; - } - syms.splice(0, i, parentPath); - break; - } - } - - //Join the path parts together, then figure out if baseUrl is needed. - url = syms.join('/'); - url += (ext || (/^data\:|\?/.test(url) || skipExt ? '' : '.js')); - url = (url.charAt(0) === '/' || url.match(/^[\w\+\.\-]+:/) ? '' : config.baseUrl) + url; - } - - return config.urlArgs ? url + - ((url.indexOf('?') === -1 ? '?' : '&') + - config.urlArgs) : url; - }, - - //Delegates to req.load. Broken out as a separate function to - //allow overriding in the optimizer. - load: function (id, url) { - req.load(context, id, url); - }, - - /** - * Executes a module callback function. Broken out as a separate function - * solely to allow the build system to sequence the files in the built - * layer in the right sequence. - * - * @private - */ - execCb: function (name, callback, args, exports) { - return callback.apply(exports, args); - }, - - /** - * callback for script loads, used to check status of loading. - * - * @param {Event} evt the event from the browser for the script - * that was loaded. - */ - onScriptLoad: function (evt) { - //Using currentTarget instead of target for Firefox 2.0's sake. Not - //all old browsers will be supported, but this one was easy enough - //to support and still makes sense. - if (evt.type === 'load' || - (readyRegExp.test((evt.currentTarget || evt.srcElement).readyState))) { - //Reset interactive script so a script node is not held onto for - //to long. - interactiveScript = null; - - //Pull out the name of the module and the context. - var data = getScriptData(evt); - context.completeLoad(data.id); - } - }, - - /** - * Callback for script errors. - */ - onScriptError: function (evt) { - var data = getScriptData(evt); - if (!hasPathFallback(data.id)) { - return onError(makeError('scripterror', 'Script error for: ' + data.id, evt, [data.id])); - } - } - }; - - context.require = context.makeRequire(); - return context; - } - - /** - * Main entry point. - * - * If the only argument to require is a string, then the module that - * is represented by that string is fetched for the appropriate context. - * - * If the first argument is an array, then it will be treated as an array - * of dependency string names to fetch. An optional function callback can - * be specified to execute when all of those dependencies are available. - * - * Make a local req variable to help Caja compliance (it assumes things - * on a require that are not standardized), and to give a short - * name for minification/local scope use. - */ - req = requirejs = function (deps, callback, errback, optional) { - - //Find the right context, use default - var context, config, - contextName = defContextName; - - // Determine if have config object in the call. - if (!isArray(deps) && typeof deps !== 'string') { - // deps is a config object - config = deps; - if (isArray(callback)) { - // Adjust args if there are dependencies - deps = callback; - callback = errback; - errback = optional; - } else { - deps = []; - } - } - - if (config && config.context) { - contextName = config.context; - } - - context = getOwn(contexts, contextName); - if (!context) { - context = contexts[contextName] = req.s.newContext(contextName); - } - - if (config) { - context.configure(config); - } - - return context.require(deps, callback, errback); - }; - - /** - * Support require.config() to make it easier to cooperate with other - * AMD loaders on globally agreed names. - */ - req.config = function (config) { - return req(config); - }; - - /** - * Execute something after the current tick - * of the event loop. Override for other envs - * that have a better solution than setTimeout. - * @param {Function} fn function to execute later. - */ - req.nextTick = typeof setTimeout !== 'undefined' ? function (fn) { - setTimeout(fn, 4); - } : function (fn) { fn(); }; - - /** - * Export require as a global, but only if it does not already exist. - */ - if (!require) { - require = req; - } - - req.version = version; - - //Used to filter out dependencies that are already paths. - req.jsExtRegExp = /^\/|:|\?|\.js$/; - req.isBrowser = isBrowser; - s = req.s = { - contexts: contexts, - newContext: newContext - }; - - //Create default context. - req({}); - - //Exports some context-sensitive methods on global require. - each([ - 'toUrl', - 'undef', - 'defined', - 'specified' - ], function (prop) { - //Reference from contexts instead of early binding to default context, - //so that during builds, the latest instance of the default context - //with its config gets used. - req[prop] = function () { - var ctx = contexts[defContextName]; - return ctx.require[prop].apply(ctx, arguments); - }; - }); - - if (isBrowser) { - head = s.head = document.getElementsByTagName('head')[0]; - //If BASE tag is in play, using appendChild is a problem for IE6. - //When that browser dies, this can be removed. Details in this jQuery bug: - //http://dev.jquery.com/ticket/2709 - baseElement = document.getElementsByTagName('base')[0]; - if (baseElement) { - head = s.head = baseElement.parentNode; - } - } - - /** - * Any errors that require explicitly generates will be passed to this - * function. Intercept/override it if you want custom error handling. - * @param {Error} err the error object. - */ - req.onError = defaultOnError; - - /** - * Creates the node for the load command. Only used in browser envs. - */ - req.createNode = function (config, moduleName, url) { - var node = config.xhtml ? - document.createElementNS('http://www.w3.org/1999/xhtml', 'html:script') : - document.createElement('script'); - node.type = config.scriptType || 'text/javascript'; - node.charset = 'utf-8'; - node.async = true; - return node; - }; - - /** - * Does the request to load a module for the browser case. - * Make this a separate function to allow other environments - * to override it. - * - * @param {Object} context the require context to find state. - * @param {String} moduleName the name of the module. - * @param {Object} url the URL to the module. - */ - req.load = function (context, moduleName, url) { - var config = (context && context.config) || {}, - node; - if (isBrowser) { - //In the browser so use a script tag - node = req.createNode(config, moduleName, url); - - node.setAttribute('data-requirecontext', context.contextName); - node.setAttribute('data-requiremodule', moduleName); - - //Set up load listener. Test attachEvent first because IE9 has - //a subtle issue in its addEventListener and script onload firings - //that do not match the behavior of all other browsers with - //addEventListener support, which fire the onload event for a - //script right after the script execution. See: - //https://connect.microsoft.com/IE/feedback/details/648057/script-onload-event-is-not-fired-immediately-after-script-execution - //UNFORTUNATELY Opera implements attachEvent but does not follow the script - //script execution mode. - if (node.attachEvent && - //Check if node.attachEvent is artificially added by custom script or - //natively supported by browser - //read https://github.com/jrburke/requirejs/issues/187 - //if we can NOT find [native code] then it must NOT natively supported. - //in IE8, node.attachEvent does not have toString() - //Note the test for "[native code" with no closing brace, see: - //https://github.com/jrburke/requirejs/issues/273 - !(node.attachEvent.toString && node.attachEvent.toString().indexOf('[native code') < 0) && - !isOpera) { - //Probably IE. IE (at least 6-8) do not fire - //script onload right after executing the script, so - //we cannot tie the anonymous define call to a name. - //However, IE reports the script as being in 'interactive' - //readyState at the time of the define call. - useInteractive = true; - - node.attachEvent('onreadystatechange', context.onScriptLoad); - //It would be great to add an error handler here to catch - //404s in IE9+. However, onreadystatechange will fire before - //the error handler, so that does not help. If addEventListener - //is used, then IE will fire error before load, but we cannot - //use that pathway given the connect.microsoft.com issue - //mentioned above about not doing the 'script execute, - //then fire the script load event listener before execute - //next script' that other browsers do. - //Best hope: IE10 fixes the issues, - //and then destroys all installs of IE 6-9. - //node.attachEvent('onerror', context.onScriptError); - } else { - node.addEventListener('load', context.onScriptLoad, false); - node.addEventListener('error', context.onScriptError, false); - } - node.src = url; - - //For some cache cases in IE 6-8, the script executes before the end - //of the appendChild execution, so to tie an anonymous define - //call to the module name (which is stored on the node), hold on - //to a reference to this node, but clear after the DOM insertion. - currentlyAddingScript = node; - if (baseElement) { - head.insertBefore(node, baseElement); - } else { - head.appendChild(node); - } - currentlyAddingScript = null; - - return node; - } else if (isWebWorker) { - try { - //In a web worker, use importScripts. This is not a very - //efficient use of importScripts, importScripts will block until - //its script is downloaded and evaluated. However, if web workers - //are in play, the expectation that a build has been done so that - //only one script needs to be loaded anyway. This may need to be - //reevaluated if other use cases become common. - importScripts(url); - - //Account for anonymous modules - context.completeLoad(moduleName); - } catch (e) { - context.onError(makeError('importscripts', - 'importScripts failed for ' + - moduleName + ' at ' + url, - e, - [moduleName])); - } - } - }; - - function getInteractiveScript() { - if (interactiveScript && interactiveScript.readyState === 'interactive') { - return interactiveScript; - } - - eachReverse(scripts(), function (script) { - if (script.readyState === 'interactive') { - return (interactiveScript = script); - } - }); - return interactiveScript; - } - - //Look for a data-main script attribute, which could also adjust the baseUrl. - if (isBrowser && !cfg.skipDataMain) { - //Figure out baseUrl. Get it from the script tag with require.js in it. - eachReverse(scripts(), function (script) { - //Set the 'head' where we can append children by - //using the script's parent. - if (!head) { - head = script.parentNode; - } - - //Look for a data-main attribute to set main script for the page - //to load. If it is there, the path to data main becomes the - //baseUrl, if it is not already set. - dataMain = script.getAttribute('data-main'); - if (dataMain) { - //Preserve dataMain in case it is a path (i.e. contains '?') - mainScript = dataMain; - - //Set final baseUrl if there is not already an explicit one. - if (!cfg.baseUrl) { - //Pull off the directory of data-main for use as the - //baseUrl. - src = mainScript.split('/'); - mainScript = src.pop(); - subPath = src.length ? src.join('/') + '/' : './'; - - cfg.baseUrl = subPath; - } - - //Strip off any trailing .js since mainScript is now - //like a module name. - mainScript = mainScript.replace(jsSuffixRegExp, ''); - - //If mainScript is still a path, fall back to dataMain - if (req.jsExtRegExp.test(mainScript)) { - mainScript = dataMain; - } - - //Put the data-main script in the files to load. - cfg.deps = cfg.deps ? cfg.deps.concat(mainScript) : [mainScript]; - - return true; - } - }); - } - - /** - * The function that handles definitions of modules. Differs from - * require() in that a string for the module should be the first argument, - * and the function to execute after dependencies are loaded should - * return a value to define the module corresponding to the first argument's - * name. - */ - define = function (name, deps, callback) { - var node, context; - - //Allow for anonymous modules - if (typeof name !== 'string') { - //Adjust args appropriately - callback = deps; - deps = name; - name = null; - } - - //This module may not have dependencies - if (!isArray(deps)) { - callback = deps; - deps = null; - } - - //If no name, and callback is a function, then figure out if it a - //CommonJS thing with dependencies. - if (!deps && isFunction(callback)) { - deps = []; - //Remove comments from the callback string, - //look for require calls, and pull them into the dependencies, - //but only if there are function args. - if (callback.length) { - callback - .toString() - .replace(commentRegExp, '') - .replace(cjsRequireRegExp, function (match, dep) { - deps.push(dep); - }); - - //May be a CommonJS thing even without require calls, but still - //could use exports, and module. Avoid doing exports and module - //work though if it just needs require. - //REQUIRES the function to expect the CommonJS variables in the - //order listed below. - deps = (callback.length === 1 ? ['require'] : ['require', 'exports', 'module']).concat(deps); - } - } - - //If in IE 6-8 and hit an anonymous define() call, do the interactive - //work. - if (useInteractive) { - node = currentlyAddingScript || getInteractiveScript(); - if (node) { - if (!name) { - name = node.getAttribute('data-requiremodule'); - } - context = contexts[node.getAttribute('data-requirecontext')]; - } - } - - //Always save off evaluating the def call until the script onload handler. - //This allows multiple modules to be in a file without prematurely - //tracing dependencies, and allows for anonymous module support, - //where the module name is not known until the script onload event - //occurs. If no context, use the global queue, and get it processed - //in the onscript load callback. - (context ? context.defQueue : globalDefQueue).push([name, deps, callback]); - }; - - define.amd = { - jQuery: true - }; - - - /** - * Executes the text. Normally just uses eval, but can be modified - * to use a better, environment-specific call. Only used for transpiling - * loader plugins, not for plain JS modules. - * @param {String} text the text to execute/evaluate. - */ - req.exec = function (text) { - /*jslint evil: true */ - return eval(text); - }; - - //Set up with config info. - req(cfg); -}(this)); -define("requireLib", function(){}); - -/*! - * jQuery JavaScript Library v2.1.0 - * http://jquery.com/ - * - * Includes Sizzle.js - * http://sizzlejs.com/ - * - * Copyright 2005, 2014 jQuery Foundation, Inc. and other contributors - * Released under the MIT license - * http://jquery.org/license - * - * Date: 2014-01-23T21:10Z - */ - -(function( global, factory ) { - - if ( typeof module === "object" && typeof module.exports === "object" ) { - // For CommonJS and CommonJS-like environments where a proper window is present, - // execute the factory and get jQuery - // For environments that do not inherently posses a window with a document - // (such as Node.js), expose a jQuery-making factory as module.exports - // This accentuates the need for the creation of a real window - // e.g. var jQuery = require("jquery")(window); - // See ticket #14549 for more info - module.exports = global.document ? - factory( global, true ) : - function( w ) { - if ( !w.document ) { - throw new Error( "jQuery requires a window with a document" ); - } - return factory( w ); - }; - } else { - factory( global ); - } - -// Pass this if window is not defined yet -}(typeof window !== "undefined" ? window : this, function( window, noGlobal ) { - -// Can't do this because several apps including ASP.NET trace -// the stack via arguments.caller.callee and Firefox dies if -// you try to trace through "use strict" call chains. (#13335) -// Support: Firefox 18+ -// - -var arr = []; - -var slice = arr.slice; - -var concat = arr.concat; - -var push = arr.push; - -var indexOf = arr.indexOf; - -var class2type = {}; - -var toString = class2type.toString; - -var hasOwn = class2type.hasOwnProperty; - -var trim = "".trim; - -var support = {}; - - - -var - // Use the correct document accordingly with window argument (sandbox) - document = window.document, - - version = "2.1.0", - - // Define a local copy of jQuery - jQuery = function( selector, context ) { - // The jQuery object is actually just the init constructor 'enhanced' - // Need init if jQuery is called (just allow error to be thrown if not included) - return new jQuery.fn.init( selector, context ); - }, - - // Matches dashed string for camelizing - rmsPrefix = /^-ms-/, - rdashAlpha = /-([\da-z])/gi, - - // Used by jQuery.camelCase as callback to replace() - fcamelCase = function( all, letter ) { - return letter.toUpperCase(); - }; - -jQuery.fn = jQuery.prototype = { - // The current version of jQuery being used - jquery: version, - - constructor: jQuery, - - // Start with an empty selector - selector: "", - - // The default length of a jQuery object is 0 - length: 0, - - toArray: function() { - return slice.call( this ); - }, - - // Get the Nth element in the matched element set OR - // Get the whole matched element set as a clean array - get: function( num ) { - return num != null ? - - // Return a 'clean' array - ( num < 0 ? this[ num + this.length ] : this[ num ] ) : - - // Return just the object - slice.call( this ); - }, - - // Take an array of elements and push it onto the stack - // (returning the new matched element set) - pushStack: function( elems ) { - - // Build a new jQuery matched element set - var ret = jQuery.merge( this.constructor(), elems ); - - // Add the old object onto the stack (as a reference) - ret.prevObject = this; - ret.context = this.context; - - // Return the newly-formed element set - return ret; - }, - - // Execute a callback for every element in the matched set. - // (You can seed the arguments with an array of args, but this is - // only used internally.) - each: function( callback, args ) { - return jQuery.each( this, callback, args ); - }, - - map: function( callback ) { - return this.pushStack( jQuery.map(this, function( elem, i ) { - return callback.call( elem, i, elem ); - })); - }, - - slice: function() { - return this.pushStack( slice.apply( this, arguments ) ); - }, - - first: function() { - return this.eq( 0 ); - }, - - last: function() { - return this.eq( -1 ); - }, - - eq: function( i ) { - var len = this.length, - j = +i + ( i < 0 ? len : 0 ); - return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] ); - }, - - end: function() { - return this.prevObject || this.constructor(null); - }, - - // For internal use only. - // Behaves like an Array's method, not like a jQuery method. - push: push, - sort: arr.sort, - splice: arr.splice -}; - -jQuery.extend = jQuery.fn.extend = function() { - var options, name, src, copy, copyIsArray, clone, - target = arguments[0] || {}, - i = 1, - length = arguments.length, - deep = false; - - // Handle a deep copy situation - if ( typeof target === "boolean" ) { - deep = target; - - // skip the boolean and the target - target = arguments[ i ] || {}; - i++; - } - - // Handle case when target is a string or something (possible in deep copy) - if ( typeof target !== "object" && !jQuery.isFunction(target) ) { - target = {}; - } - - // extend jQuery itself if only one argument is passed - if ( i === length ) { - target = this; - i--; - } - - for ( ; i < length; i++ ) { - // Only deal with non-null/undefined values - if ( (options = arguments[ i ]) != null ) { - // Extend the base object - for ( name in options ) { - src = target[ name ]; - copy = options[ name ]; - - // Prevent never-ending loop - if ( target === copy ) { - continue; - } - - // Recurse if we're merging plain objects or arrays - if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) { - if ( copyIsArray ) { - copyIsArray = false; - clone = src && jQuery.isArray(src) ? src : []; - - } else { - clone = src && jQuery.isPlainObject(src) ? src : {}; - } - - // Never move original objects, clone them - target[ name ] = jQuery.extend( deep, clone, copy ); - - // Don't bring in undefined values - } else if ( copy !== undefined ) { - target[ name ] = copy; - } - } - } - } - - // Return the modified object - return target; -}; - -jQuery.extend({ - // Unique for each copy of jQuery on the page - expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ), - - // Assume jQuery is ready without the ready module - isReady: true, - - error: function( msg ) { - throw new Error( msg ); - }, - - noop: function() {}, - - // See test/unit/core.js for details concerning isFunction. - // Since version 1.3, DOM methods and functions like alert - // aren't supported. They return false on IE (#2968). - isFunction: function( obj ) { - return jQuery.type(obj) === "function"; - }, - - isArray: Array.isArray, - - isWindow: function( obj ) { - return obj != null && obj === obj.window; - }, - - isNumeric: function( obj ) { - // parseFloat NaNs numeric-cast false positives (null|true|false|"") - // ...but misinterprets leading-number strings, particularly hex literals ("0x...") - // subtraction forces infinities to NaN - return obj - parseFloat( obj ) >= 0; - }, - - isPlainObject: function( obj ) { - // Not plain objects: - // - Any object or value whose internal [[Class]] property is not "[object Object]" - // - DOM nodes - // - window - if ( jQuery.type( obj ) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) { - return false; - } - - // Support: Firefox <20 - // The try/catch suppresses exceptions thrown when attempting to access - // the "constructor" property of certain host objects, ie. |window.location| - // https://bugzilla.mozilla.org/show_bug.cgi?id=814622 - try { - if ( obj.constructor && - !hasOwn.call( obj.constructor.prototype, "isPrototypeOf" ) ) { - return false; - } - } catch ( e ) { - return false; - } - - // If the function hasn't returned already, we're confident that - // |obj| is a plain object, created by {} or constructed with new Object - return true; - }, - - isEmptyObject: function( obj ) { - var name; - for ( name in obj ) { - return false; - } - return true; - }, - - type: function( obj ) { - if ( obj == null ) { - return obj + ""; - } - // Support: Android < 4.0, iOS < 6 (functionish RegExp) - return typeof obj === "object" || typeof obj === "function" ? - class2type[ toString.call(obj) ] || "object" : - typeof obj; - }, - - // Evaluates a script in a global context - globalEval: function( code ) { - var script, - indirect = eval; - - code = jQuery.trim( code ); - - if ( code ) { - // If the code includes a valid, prologue position - // strict mode pragma, execute code by injecting a - // script tag into the document. - if ( code.indexOf("use strict") === 1 ) { - script = document.createElement("script"); - script.text = code; - document.head.appendChild( script ).parentNode.removeChild( script ); - } else { - // Otherwise, avoid the DOM node creation, insertion - // and removal by using an indirect global eval - indirect( code ); - } - } - }, - - // Convert dashed to camelCase; used by the css and data modules - // Microsoft forgot to hump their vendor prefix (#9572) - camelCase: function( string ) { - return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); - }, - - nodeName: function( elem, name ) { - return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase(); - }, - - // args is for internal usage only - each: function( obj, callback, args ) { - var value, - i = 0, - length = obj.length, - isArray = isArraylike( obj ); - - if ( args ) { - if ( isArray ) { - for ( ; i < length; i++ ) { - value = callback.apply( obj[ i ], args ); - - if ( value === false ) { - break; - } - } - } else { - for ( i in obj ) { - value = callback.apply( obj[ i ], args ); - - if ( value === false ) { - break; - } - } - } - - // A special, fast, case for the most common use of each - } else { - if ( isArray ) { - for ( ; i < length; i++ ) { - value = callback.call( obj[ i ], i, obj[ i ] ); - - if ( value === false ) { - break; - } - } - } else { - for ( i in obj ) { - value = callback.call( obj[ i ], i, obj[ i ] ); - - if ( value === false ) { - break; - } - } - } - } - - return obj; - }, - - trim: function( text ) { - return text == null ? "" : trim.call( text ); - }, - - // results is for internal usage only - makeArray: function( arr, results ) { - var ret = results || []; - - if ( arr != null ) { - if ( isArraylike( Object(arr) ) ) { - jQuery.merge( ret, - typeof arr === "string" ? - [ arr ] : arr - ); - } else { - push.call( ret, arr ); - } - } - - return ret; - }, - - inArray: function( elem, arr, i ) { - return arr == null ? -1 : indexOf.call( arr, elem, i ); - }, - - merge: function( first, second ) { - var len = +second.length, - j = 0, - i = first.length; - - for ( ; j < len; j++ ) { - first[ i++ ] = second[ j ]; - } - - first.length = i; - - return first; - }, - - grep: function( elems, callback, invert ) { - var callbackInverse, - matches = [], - i = 0, - length = elems.length, - callbackExpect = !invert; - - // Go through the array, only saving the items - // that pass the validator function - for ( ; i < length; i++ ) { - callbackInverse = !callback( elems[ i ], i ); - if ( callbackInverse !== callbackExpect ) { - matches.push( elems[ i ] ); - } - } - - return matches; - }, - - // arg is for internal usage only - map: function( elems, callback, arg ) { - var value, - i = 0, - length = elems.length, - isArray = isArraylike( elems ), - ret = []; - - // Go through the array, translating each of the items to their new values - if ( isArray ) { - for ( ; i < length; i++ ) { - value = callback( elems[ i ], i, arg ); - - if ( value != null ) { - ret.push( value ); - } - } - - // Go through every key on the object, - } else { - for ( i in elems ) { - value = callback( elems[ i ], i, arg ); - - if ( value != null ) { - ret.push( value ); - } - } - } - - // Flatten any nested arrays - return concat.apply( [], ret ); - }, - - // A global GUID counter for objects - guid: 1, - - // Bind a function to a context, optionally partially applying any - // arguments. - proxy: function( fn, context ) { - var tmp, args, proxy; - - if ( typeof context === "string" ) { - tmp = fn[ context ]; - context = fn; - fn = tmp; - } - - // Quick check to determine if target is callable, in the spec - // this throws a TypeError, but we will just return undefined. - if ( !jQuery.isFunction( fn ) ) { - return undefined; - } - - // Simulated bind - args = slice.call( arguments, 2 ); - proxy = function() { - return fn.apply( context || this, args.concat( slice.call( arguments ) ) ); - }; - - // Set the guid of unique handler to the same of original handler, so it can be removed - proxy.guid = fn.guid = fn.guid || jQuery.guid++; - - return proxy; - }, - - now: Date.now, - - // jQuery.support is not used in Core but other projects attach their - // properties to it so it needs to exist. - support: support -}); - -// Populate the class2type map -jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) { - class2type[ "[object " + name + "]" ] = name.toLowerCase(); -}); - -function isArraylike( obj ) { - var length = obj.length, - type = jQuery.type( obj ); - - if ( type === "function" || jQuery.isWindow( obj ) ) { - return false; - } - - if ( obj.nodeType === 1 && length ) { - return true; - } - - return type === "array" || length === 0 || - typeof length === "number" && length > 0 && ( length - 1 ) in obj; -} -var Sizzle = -/*! - * Sizzle CSS Selector Engine v1.10.16 - * http://sizzlejs.com/ - * - * Copyright 2013 jQuery Foundation, Inc. and other contributors - * Released under the MIT license - * http://jquery.org/license - * - * Date: 2014-01-13 - */ -(function( window ) { - -var i, - support, - Expr, - getText, - isXML, - compile, - outermostContext, - sortInput, - hasDuplicate, - - // Local document vars - setDocument, - document, - docElem, - documentIsHTML, - rbuggyQSA, - rbuggyMatches, - matches, - contains, - - // Instance-specific data - expando = "sizzle" + -(new Date()), - preferredDoc = window.document, - dirruns = 0, - done = 0, - classCache = createCache(), - tokenCache = createCache(), - compilerCache = createCache(), - sortOrder = function( a, b ) { - if ( a === b ) { - hasDuplicate = true; - } - return 0; - }, - - // General-purpose constants - strundefined = typeof undefined, - MAX_NEGATIVE = 1 << 31, - - // Instance methods - hasOwn = ({}).hasOwnProperty, - arr = [], - pop = arr.pop, - push_native = arr.push, - push = arr.push, - slice = arr.slice, - // Use a stripped-down indexOf if we can't use a native one - indexOf = arr.indexOf || function( elem ) { - var i = 0, - len = this.length; - for ( ; i < len; i++ ) { - if ( this[i] === elem ) { - return i; - } - } - return -1; - }, - - booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped", - - // Regular expressions - - // Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace - whitespace = "[\\x20\\t\\r\\n\\f]", - // http://www.w3.org/TR/css3-syntax/#characters - characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+", - - // Loosely modeled on CSS identifier characters - // An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors - // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier - identifier = characterEncoding.replace( "w", "w#" ), - - // Acceptable operators http://www.w3.org/TR/selectors/#attribute-selectors - attributes = "\\[" + whitespace + "*(" + characterEncoding + ")" + whitespace + - "*(?:([*^$|!~]?=)" + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]", - - // Prefer arguments quoted, - // then not containing pseudos/brackets, - // then attribute selectors/non-parenthetical expressions, - // then anything else - // These preferences are here to reduce the number of selectors - // needing tokenize in the PSEUDO preFilter - pseudos = ":(" + characterEncoding + ")(?:\\(((['\"])((?:\\\\.|[^\\\\])*?)\\3|((?:\\\\.|[^\\\\()[\\]]|" + attributes.replace( 3, 8 ) + ")*)|.*)\\)|)", - - // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter - rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ), - - rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), - rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ), - - rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ), - - rpseudo = new RegExp( pseudos ), - ridentifier = new RegExp( "^" + identifier + "$" ), - - matchExpr = { - "ID": new RegExp( "^#(" + characterEncoding + ")" ), - "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ), - "TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ), - "ATTR": new RegExp( "^" + attributes ), - "PSEUDO": new RegExp( "^" + pseudos ), - "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + - "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + - "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), - "bool": new RegExp( "^(?:" + booleans + ")$", "i" ), - // For use in libraries implementing .is() - // We use this for POS matching in `select` - "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + - whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) - }, - - rinputs = /^(?:input|select|textarea|button)$/i, - rheader = /^h\d$/i, - - rnative = /^[^{]+\{\s*\[native \w/, - - // Easily-parseable/retrievable ID or TAG or CLASS selectors - rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/, - - rsibling = /[+~]/, - rescape = /'|\\/g, - - // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters - runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ), - funescape = function( _, escaped, escapedWhitespace ) { - var high = "0x" + escaped - 0x10000; - // NaN means non-codepoint - // Support: Firefox - // Workaround erroneous numeric interpretation of +"0x" - return high !== high || escapedWhitespace ? - escaped : - high < 0 ? - // BMP codepoint - String.fromCharCode( high + 0x10000 ) : - // Supplemental Plane codepoint (surrogate pair) - String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); - }; - -// Optimize for push.apply( _, NodeList ) -try { - push.apply( - (arr = slice.call( preferredDoc.childNodes )), - preferredDoc.childNodes - ); - // Support: Android<4.0 - // Detect silently failing push.apply - arr[ preferredDoc.childNodes.length ].nodeType; -} catch ( e ) { - push = { apply: arr.length ? - - // Leverage slice if possible - function( target, els ) { - push_native.apply( target, slice.call(els) ); - } : - - // Support: IE<9 - // Otherwise append directly - function( target, els ) { - var j = target.length, - i = 0; - // Can't trust NodeList.length - while ( (target[j++] = els[i++]) ) {} - target.length = j - 1; - } - }; -} - -function Sizzle( selector, context, results, seed ) { - var match, elem, m, nodeType, - // QSA vars - i, groups, old, nid, newContext, newSelector; - - if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) { - setDocument( context ); - } - - context = context || document; - results = results || []; - - if ( !selector || typeof selector !== "string" ) { - return results; - } - - if ( (nodeType = context.nodeType) !== 1 && nodeType !== 9 ) { - return []; - } - - if ( documentIsHTML && !seed ) { - - // Shortcuts - if ( (match = rquickExpr.exec( selector )) ) { - // Speed-up: Sizzle("#ID") - if ( (m = match[1]) ) { - if ( nodeType === 9 ) { - elem = context.getElementById( m ); - // Check parentNode to catch when Blackberry 4.6 returns - // nodes that are no longer in the document (jQuery #6963) - if ( elem && elem.parentNode ) { - // Handle the case where IE, Opera, and Webkit return items - // by name instead of ID - if ( elem.id === m ) { - results.push( elem ); - return results; - } - } else { - return results; - } - } else { - // Context is not a document - if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) && - contains( context, elem ) && elem.id === m ) { - results.push( elem ); - return results; - } - } - - // Speed-up: Sizzle("TAG") - } else if ( match[2] ) { - push.apply( results, context.getElementsByTagName( selector ) ); - return results; - - // Speed-up: Sizzle(".CLASS") - } else if ( (m = match[3]) && support.getElementsByClassName && context.getElementsByClassName ) { - push.apply( results, context.getElementsByClassName( m ) ); - return results; - } - } - - // QSA path - if ( support.qsa && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) { - nid = old = expando; - newContext = context; - newSelector = nodeType === 9 && selector; - - // qSA works strangely on Element-rooted queries - // We can work around this by specifying an extra ID on the root - // and working up from there (Thanks to Andrew Dupont for the technique) - // IE 8 doesn't work on object elements - if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) { - groups = tokenize( selector ); - - if ( (old = context.getAttribute("id")) ) { - nid = old.replace( rescape, "\\$&" ); - } else { - context.setAttribute( "id", nid ); - } - nid = "[id='" + nid + "'] "; - - i = groups.length; - while ( i-- ) { - groups[i] = nid + toSelector( groups[i] ); - } - newContext = rsibling.test( selector ) && testContext( context.parentNode ) || context; - newSelector = groups.join(","); - } - - if ( newSelector ) { - try { - push.apply( results, - newContext.querySelectorAll( newSelector ) - ); - return results; - } catch(qsaError) { - } finally { - if ( !old ) { - context.removeAttribute("id"); - } - } - } - } - } - - // All others - return select( selector.replace( rtrim, "$1" ), context, results, seed ); -} - -/** - * Create key-value caches of limited size - * @returns {Function(string, Object)} Returns the Object data after storing it on itself with - * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength) - * deleting the oldest entry - */ -function createCache() { - var keys = []; - - function cache( key, value ) { - // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) - if ( keys.push( key + " " ) > Expr.cacheLength ) { - // Only keep the most recent entries - delete cache[ keys.shift() ]; - } - return (cache[ key + " " ] = value); - } - return cache; -} - -/** - * Mark a function for special use by Sizzle - * @param {Function} fn The function to mark - */ -function markFunction( fn ) { - fn[ expando ] = true; - return fn; -} - -/** - * Support testing using an element - * @param {Function} fn Passed the created div and expects a boolean result - */ -function assert( fn ) { - var div = document.createElement("div"); - - try { - return !!fn( div ); - } catch (e) { - return false; - } finally { - // Remove from its parent by default - if ( div.parentNode ) { - div.parentNode.removeChild( div ); - } - // release memory in IE - div = null; - } -} - -/** - * Adds the same handler for all of the specified attrs - * @param {String} attrs Pipe-separated list of attributes - * @param {Function} handler The method that will be applied - */ -function addHandle( attrs, handler ) { - var arr = attrs.split("|"), - i = attrs.length; - - while ( i-- ) { - Expr.attrHandle[ arr[i] ] = handler; - } -} - -/** - * Checks document order of two siblings - * @param {Element} a - * @param {Element} b - * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b - */ -function siblingCheck( a, b ) { - var cur = b && a, - diff = cur && a.nodeType === 1 && b.nodeType === 1 && - ( ~b.sourceIndex || MAX_NEGATIVE ) - - ( ~a.sourceIndex || MAX_NEGATIVE ); - - // Use IE sourceIndex if available on both nodes - if ( diff ) { - return diff; - } - - // Check if b follows a - if ( cur ) { - while ( (cur = cur.nextSibling) ) { - if ( cur === b ) { - return -1; - } - } - } - - return a ? 1 : -1; -} - -/** - * Returns a function to use in pseudos for input types - * @param {String} type - */ -function createInputPseudo( type ) { - return function( elem ) { - var name = elem.nodeName.toLowerCase(); - return name === "input" && elem.type === type; - }; -} - -/** - * Returns a function to use in pseudos for buttons - * @param {String} type - */ -function createButtonPseudo( type ) { - return function( elem ) { - var name = elem.nodeName.toLowerCase(); - return (name === "input" || name === "button") && elem.type === type; - }; -} - -/** - * Returns a function to use in pseudos for positionals - * @param {Function} fn - */ -function createPositionalPseudo( fn ) { - return markFunction(function( argument ) { - argument = +argument; - return markFunction(function( seed, matches ) { - var j, - matchIndexes = fn( [], seed.length, argument ), - i = matchIndexes.length; - - // Match elements found at the specified indexes - while ( i-- ) { - if ( seed[ (j = matchIndexes[i]) ] ) { - seed[j] = !(matches[j] = seed[j]); - } - } - }); - }); -} - -/** - * Checks a node for validity as a Sizzle context - * @param {Element|Object=} context - * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value - */ -function testContext( context ) { - return context && typeof context.getElementsByTagName !== strundefined && context; -} - -// Expose support vars for convenience -support = Sizzle.support = {}; - -/** - * Detects XML nodes - * @param {Element|Object} elem An element or a document - * @returns {Boolean} True iff elem is a non-HTML XML node - */ -isXML = Sizzle.isXML = function( elem ) { - // documentElement is verified for cases where it doesn't yet exist - // (such as loading iframes in IE - #4833) - var documentElement = elem && (elem.ownerDocument || elem).documentElement; - return documentElement ? documentElement.nodeName !== "HTML" : false; -}; - -/** - * Sets document-related variables once based on the current document - * @param {Element|Object} [doc] An element or document object to use to set the document - * @returns {Object} Returns the current document - */ -setDocument = Sizzle.setDocument = function( node ) { - var hasCompare, - doc = node ? node.ownerDocument || node : preferredDoc, - parent = doc.defaultView; - - // If no document and documentElement is available, return - if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) { - return document; - } - - // Set our document - document = doc; - docElem = doc.documentElement; - - // Support tests - documentIsHTML = !isXML( doc ); - - // Support: IE>8 - // If iframe document is assigned to "document" variable and if iframe has been reloaded, - // IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936 - // IE6-8 do not support the defaultView property so parent will be undefined - if ( parent && parent !== parent.top ) { - // IE11 does not have attachEvent, so all must suffer - if ( parent.addEventListener ) { - parent.addEventListener( "unload", function() { - setDocument(); - }, false ); - } else if ( parent.attachEvent ) { - parent.attachEvent( "onunload", function() { - setDocument(); - }); - } - } - - /* Attributes - ---------------------------------------------------------------------- */ - - // Support: IE<8 - // Verify that getAttribute really returns attributes and not properties (excepting IE8 booleans) - support.attributes = assert(function( div ) { - div.className = "i"; - return !div.getAttribute("className"); - }); - - /* getElement(s)By* - ---------------------------------------------------------------------- */ - - // Check if getElementsByTagName("*") returns only elements - support.getElementsByTagName = assert(function( div ) { - div.appendChild( doc.createComment("") ); - return !div.getElementsByTagName("*").length; - }); - - // Check if getElementsByClassName can be trusted - support.getElementsByClassName = rnative.test( doc.getElementsByClassName ) && assert(function( div ) { - div.innerHTML = "<div class='a'></div><div class='a i'></div>"; - - // Support: Safari<4 - // Catch class over-caching - div.firstChild.className = "i"; - // Support: Opera<10 - // Catch gEBCN failure to find non-leading classes - return div.getElementsByClassName("i").length === 2; - }); - - // Support: IE<10 - // Check if getElementById returns elements by name - // The broken getElementById methods don't pick up programatically-set names, - // so use a roundabout getElementsByName test - support.getById = assert(function( div ) { - docElem.appendChild( div ).id = expando; - return !doc.getElementsByName || !doc.getElementsByName( expando ).length; - }); - - // ID find and filter - if ( support.getById ) { - Expr.find["ID"] = function( id, context ) { - if ( typeof context.getElementById !== strundefined && documentIsHTML ) { - var m = context.getElementById( id ); - // Check parentNode to catch when Blackberry 4.6 returns - // nodes that are no longer in the document #6963 - return m && m.parentNode ? [m] : []; - } - }; - Expr.filter["ID"] = function( id ) { - var attrId = id.replace( runescape, funescape ); - return function( elem ) { - return elem.getAttribute("id") === attrId; - }; - }; - } else { - // Support: IE6/7 - // getElementById is not reliable as a find shortcut - delete Expr.find["ID"]; - - Expr.filter["ID"] = function( id ) { - var attrId = id.replace( runescape, funescape ); - return function( elem ) { - var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id"); - return node && node.value === attrId; - }; - }; - } - - // Tag - Expr.find["TAG"] = support.getElementsByTagName ? - function( tag, context ) { - if ( typeof context.getElementsByTagName !== strundefined ) { - return context.getElementsByTagName( tag ); - } - } : - function( tag, context ) { - var elem, - tmp = [], - i = 0, - results = context.getElementsByTagName( tag ); - - // Filter out possible comments - if ( tag === "*" ) { - while ( (elem = results[i++]) ) { - if ( elem.nodeType === 1 ) { - tmp.push( elem ); - } - } - - return tmp; - } - return results; - }; - - // Class - Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) { - if ( typeof context.getElementsByClassName !== strundefined && documentIsHTML ) { - return context.getElementsByClassName( className ); - } - }; - - /* QSA/matchesSelector - ---------------------------------------------------------------------- */ - - // QSA and matchesSelector support - - // matchesSelector(:active) reports false when true (IE9/Opera 11.5) - rbuggyMatches = []; - - // qSa(:focus) reports false when true (Chrome 21) - // We allow this because of a bug in IE8/9 that throws an error - // whenever `document.activeElement` is accessed on an iframe - // So, we allow :focus to pass through QSA all the time to avoid the IE error - // See http://bugs.jquery.com/ticket/13378 - rbuggyQSA = []; - - if ( (support.qsa = rnative.test( doc.querySelectorAll )) ) { - // Build QSA regex - // Regex strategy adopted from Diego Perini - assert(function( div ) { - // Select is set to empty string on purpose - // This is to test IE's treatment of not explicitly - // setting a boolean content attribute, - // since its presence should be enough - // http://bugs.jquery.com/ticket/12359 - div.innerHTML = "<select t=''><option selected=''></option></select>"; - - // Support: IE8, Opera 10-12 - // Nothing should be selected when empty strings follow ^= or $= or *= - if ( div.querySelectorAll("[t^='']").length ) { - rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" ); - } - - // Support: IE8 - // Boolean attributes and "value" are not treated correctly - if ( !div.querySelectorAll("[selected]").length ) { - rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); - } - - // Webkit/Opera - :checked should return selected option elements - // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked - // IE8 throws error here and will not see later tests - if ( !div.querySelectorAll(":checked").length ) { - rbuggyQSA.push(":checked"); - } - }); - - assert(function( div ) { - // Support: Windows 8 Native Apps - // The type and name attributes are restricted during .innerHTML assignment - var input = doc.createElement("input"); - input.setAttribute( "type", "hidden" ); - div.appendChild( input ).setAttribute( "name", "D" ); - - // Support: IE8 - // Enforce case-sensitivity of name attribute - if ( div.querySelectorAll("[name=d]").length ) { - rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); - } - - // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) - // IE8 throws error here and will not see later tests - if ( !div.querySelectorAll(":enabled").length ) { - rbuggyQSA.push( ":enabled", ":disabled" ); - } - - // Opera 10-11 does not throw on post-comma invalid pseudos - div.querySelectorAll("*,:x"); - rbuggyQSA.push(",.*:"); - }); - } - - if ( (support.matchesSelector = rnative.test( (matches = docElem.webkitMatchesSelector || - docElem.mozMatchesSelector || - docElem.oMatchesSelector || - docElem.msMatchesSelector) )) ) { - - assert(function( div ) { - // Check to see if it's possible to do matchesSelector - // on a disconnected node (IE 9) - support.disconnectedMatch = matches.call( div, "div" ); - - // This should fail with an exception - // Gecko does not error, returns false instead - matches.call( div, "[s!='']:x" ); - rbuggyMatches.push( "!=", pseudos ); - }); - } - - rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") ); - rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") ); - - /* Contains - ---------------------------------------------------------------------- */ - hasCompare = rnative.test( docElem.compareDocumentPosition ); - - // Element contains another - // Purposefully does not implement inclusive descendent - // As in, an element does not contain itself - contains = hasCompare || rnative.test( docElem.contains ) ? - function( a, b ) { - var adown = a.nodeType === 9 ? a.documentElement : a, - bup = b && b.parentNode; - return a === bup || !!( bup && bup.nodeType === 1 && ( - adown.contains ? - adown.contains( bup ) : - a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 - )); - } : - function( a, b ) { - if ( b ) { - while ( (b = b.parentNode) ) { - if ( b === a ) { - return true; - } - } - } - return false; - }; - - /* Sorting - ---------------------------------------------------------------------- */ - - // Document order sorting - sortOrder = hasCompare ? - function( a, b ) { - - // Flag for duplicate removal - if ( a === b ) { - hasDuplicate = true; - return 0; - } - - // Sort on method existence if only one input has compareDocumentPosition - var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; - if ( compare ) { - return compare; - } - - // Calculate position if both inputs belong to the same document - compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ? - a.compareDocumentPosition( b ) : - - // Otherwise we know they are disconnected - 1; - - // Disconnected nodes - if ( compare & 1 || - (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) { - - // Choose the first element that is related to our preferred document - if ( a === doc || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) { - return -1; - } - if ( b === doc || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) { - return 1; - } - - // Maintain original order - return sortInput ? - ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) : - 0; - } - - return compare & 4 ? -1 : 1; - } : - function( a, b ) { - // Exit early if the nodes are identical - if ( a === b ) { - hasDuplicate = true; - return 0; - } - - var cur, - i = 0, - aup = a.parentNode, - bup = b.parentNode, - ap = [ a ], - bp = [ b ]; - - // Parentless nodes are either documents or disconnected - if ( !aup || !bup ) { - return a === doc ? -1 : - b === doc ? 1 : - aup ? -1 : - bup ? 1 : - sortInput ? - ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) : - 0; - - // If the nodes are siblings, we can do a quick check - } else if ( aup === bup ) { - return siblingCheck( a, b ); - } - - // Otherwise we need full lists of their ancestors for comparison - cur = a; - while ( (cur = cur.parentNode) ) { - ap.unshift( cur ); - } - cur = b; - while ( (cur = cur.parentNode) ) { - bp.unshift( cur ); - } - - // Walk down the tree looking for a discrepancy - while ( ap[i] === bp[i] ) { - i++; - } - - return i ? - // Do a sibling check if the nodes have a common ancestor - siblingCheck( ap[i], bp[i] ) : - - // Otherwise nodes in our document sort first - ap[i] === preferredDoc ? -1 : - bp[i] === preferredDoc ? 1 : - 0; - }; - - return doc; -}; - -Sizzle.matches = function( expr, elements ) { - return Sizzle( expr, null, null, elements ); -}; - -Sizzle.matchesSelector = function( elem, expr ) { - // Set document vars if needed - if ( ( elem.ownerDocument || elem ) !== document ) { - setDocument( elem ); - } - - // Make sure that attribute selectors are quoted - expr = expr.replace( rattributeQuotes, "='$1']" ); - - if ( support.matchesSelector && documentIsHTML && - ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) && - ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) { - - try { - var ret = matches.call( elem, expr ); - - // IE 9's matchesSelector returns false on disconnected nodes - if ( ret || support.disconnectedMatch || - // As well, disconnected nodes are said to be in a document - // fragment in IE 9 - elem.document && elem.document.nodeType !== 11 ) { - return ret; - } - } catch(e) {} - } - - return Sizzle( expr, document, null, [elem] ).length > 0; -}; - -Sizzle.contains = function( context, elem ) { - // Set document vars if needed - if ( ( context.ownerDocument || context ) !== document ) { - setDocument( context ); - } - return contains( context, elem ); -}; - -Sizzle.attr = function( elem, name ) { - // Set document vars if needed - if ( ( elem.ownerDocument || elem ) !== document ) { - setDocument( elem ); - } - - var fn = Expr.attrHandle[ name.toLowerCase() ], - // Don't get fooled by Object.prototype properties (jQuery #13807) - val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ? - fn( elem, name, !documentIsHTML ) : - undefined; - - return val !== undefined ? - val : - support.attributes || !documentIsHTML ? - elem.getAttribute( name ) : - (val = elem.getAttributeNode(name)) && val.specified ? - val.value : - null; -}; - -Sizzle.error = function( msg ) { - throw new Error( "Syntax error, unrecognized expression: " + msg ); -}; - -/** - * Document sorting and removing duplicates - * @param {ArrayLike} results - */ -Sizzle.uniqueSort = function( results ) { - var elem, - duplicates = [], - j = 0, - i = 0; - - // Unless we *know* we can detect duplicates, assume their presence - hasDuplicate = !support.detectDuplicates; - sortInput = !support.sortStable && results.slice( 0 ); - results.sort( sortOrder ); - - if ( hasDuplicate ) { - while ( (elem = results[i++]) ) { - if ( elem === results[ i ] ) { - j = duplicates.push( i ); - } - } - while ( j-- ) { - results.splice( duplicates[ j ], 1 ); - } - } - - // Clear input after sorting to release objects - // See https://github.com/jquery/sizzle/pull/225 - sortInput = null; - - return results; -}; - -/** - * Utility function for retrieving the text value of an array of DOM nodes - * @param {Array|Element} elem - */ -getText = Sizzle.getText = function( elem ) { - var node, - ret = "", - i = 0, - nodeType = elem.nodeType; - - if ( !nodeType ) { - // If no nodeType, this is expected to be an array - while ( (node = elem[i++]) ) { - // Do not traverse comment nodes - ret += getText( node ); - } - } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { - // Use textContent for elements - // innerText usage removed for consistency of new lines (jQuery #11153) - if ( typeof elem.textContent === "string" ) { - return elem.textContent; - } else { - // Traverse its children - for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { - ret += getText( elem ); - } - } - } else if ( nodeType === 3 || nodeType === 4 ) { - return elem.nodeValue; - } - // Do not include comment or processing instruction nodes - - return ret; -}; - -Expr = Sizzle.selectors = { - - // Can be adjusted by the user - cacheLength: 50, - - createPseudo: markFunction, - - match: matchExpr, - - attrHandle: {}, - - find: {}, - - relative: { - ">": { dir: "parentNode", first: true }, - " ": { dir: "parentNode" }, - "+": { dir: "previousSibling", first: true }, - "~": { dir: "previousSibling" } - }, - - preFilter: { - "ATTR": function( match ) { - match[1] = match[1].replace( runescape, funescape ); - - // Move the given value to match[3] whether quoted or unquoted - match[3] = ( match[4] || match[5] || "" ).replace( runescape, funescape ); - - if ( match[2] === "~=" ) { - match[3] = " " + match[3] + " "; - } - - return match.slice( 0, 4 ); - }, - - "CHILD": function( match ) { - /* matches from matchExpr["CHILD"] - 1 type (only|nth|...) - 2 what (child|of-type) - 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) - 4 xn-component of xn+y argument ([+-]?\d*n|) - 5 sign of xn-component - 6 x of xn-component - 7 sign of y-component - 8 y of y-component - */ - match[1] = match[1].toLowerCase(); - - if ( match[1].slice( 0, 3 ) === "nth" ) { - // nth-* requires argument - if ( !match[3] ) { - Sizzle.error( match[0] ); - } - - // numeric x and y parameters for Expr.filter.CHILD - // remember that false/true cast respectively to 0/1 - match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) ); - match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" ); - - // other types prohibit arguments - } else if ( match[3] ) { - Sizzle.error( match[0] ); - } - - return match; - }, - - "PSEUDO": function( match ) { - var excess, - unquoted = !match[5] && match[2]; - - if ( matchExpr["CHILD"].test( match[0] ) ) { - return null; - } - - // Accept quoted arguments as-is - if ( match[3] && match[4] !== undefined ) { - match[2] = match[4]; - - // Strip excess characters from unquoted arguments - } else if ( unquoted && rpseudo.test( unquoted ) && - // Get excess from tokenize (recursively) - (excess = tokenize( unquoted, true )) && - // advance to the next closing parenthesis - (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) { - - // excess is a negative index - match[0] = match[0].slice( 0, excess ); - match[2] = unquoted.slice( 0, excess ); - } - - // Return only captures needed by the pseudo filter method (type and argument) - return match.slice( 0, 3 ); - } - }, - - filter: { - - "TAG": function( nodeNameSelector ) { - var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); - return nodeNameSelector === "*" ? - function() { return true; } : - function( elem ) { - return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; - }; - }, - - "CLASS": function( className ) { - var pattern = classCache[ className + " " ]; - - return pattern || - (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) && - classCache( className, function( elem ) { - return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== strundefined && elem.getAttribute("class") || "" ); - }); - }, - - "ATTR": function( name, operator, check ) { - return function( elem ) { - var result = Sizzle.attr( elem, name ); - - if ( result == null ) { - return operator === "!="; - } - if ( !operator ) { - return true; - } - - result += ""; - - return operator === "=" ? result === check : - operator === "!=" ? result !== check : - operator === "^=" ? check && result.indexOf( check ) === 0 : - operator === "*=" ? check && result.indexOf( check ) > -1 : - operator === "$=" ? check && result.slice( -check.length ) === check : - operator === "~=" ? ( " " + result + " " ).indexOf( check ) > -1 : - operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : - false; - }; - }, - - "CHILD": function( type, what, argument, first, last ) { - var simple = type.slice( 0, 3 ) !== "nth", - forward = type.slice( -4 ) !== "last", - ofType = what === "of-type"; - - return first === 1 && last === 0 ? - - // Shortcut for :nth-*(n) - function( elem ) { - return !!elem.parentNode; - } : - - function( elem, context, xml ) { - var cache, outerCache, node, diff, nodeIndex, start, - dir = simple !== forward ? "nextSibling" : "previousSibling", - parent = elem.parentNode, - name = ofType && elem.nodeName.toLowerCase(), - useCache = !xml && !ofType; - - if ( parent ) { - - // :(first|last|only)-(child|of-type) - if ( simple ) { - while ( dir ) { - node = elem; - while ( (node = node[ dir ]) ) { - if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) { - return false; - } - } - // Reverse direction for :only-* (if we haven't yet done so) - start = dir = type === "only" && !start && "nextSibling"; - } - return true; - } - - start = [ forward ? parent.firstChild : parent.lastChild ]; - - // non-xml :nth-child(...) stores cache data on `parent` - if ( forward && useCache ) { - // Seek `elem` from a previously-cached index - outerCache = parent[ expando ] || (parent[ expando ] = {}); - cache = outerCache[ type ] || []; - nodeIndex = cache[0] === dirruns && cache[1]; - diff = cache[0] === dirruns && cache[2]; - node = nodeIndex && parent.childNodes[ nodeIndex ]; - - while ( (node = ++nodeIndex && node && node[ dir ] || - - // Fallback to seeking `elem` from the start - (diff = nodeIndex = 0) || start.pop()) ) { - - // When found, cache indexes on `parent` and break - if ( node.nodeType === 1 && ++diff && node === elem ) { - outerCache[ type ] = [ dirruns, nodeIndex, diff ]; - break; - } - } - - // Use previously-cached element index if available - } else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) { - diff = cache[1]; - - // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...) - } else { - // Use the same loop as above to seek `elem` from the start - while ( (node = ++nodeIndex && node && node[ dir ] || - (diff = nodeIndex = 0) || start.pop()) ) { - - if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) { - // Cache the index of each encountered element - if ( useCache ) { - (node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ]; - } - - if ( node === elem ) { - break; - } - } - } - } - - // Incorporate the offset, then check against cycle size - diff -= last; - return diff === first || ( diff % first === 0 && diff / first >= 0 ); - } - }; - }, - - "PSEUDO": function( pseudo, argument ) { - // pseudo-class names are case-insensitive - // http://www.w3.org/TR/selectors/#pseudo-classes - // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters - // Remember that setFilters inherits from pseudos - var args, - fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || - Sizzle.error( "unsupported pseudo: " + pseudo ); - - // The user may use createPseudo to indicate that - // arguments are needed to create the filter function - // just as Sizzle does - if ( fn[ expando ] ) { - return fn( argument ); - } - - // But maintain support for old signatures - if ( fn.length > 1 ) { - args = [ pseudo, pseudo, "", argument ]; - return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? - markFunction(function( seed, matches ) { - var idx, - matched = fn( seed, argument ), - i = matched.length; - while ( i-- ) { - idx = indexOf.call( seed, matched[i] ); - seed[ idx ] = !( matches[ idx ] = matched[i] ); - } - }) : - function( elem ) { - return fn( elem, 0, args ); - }; - } - - return fn; - } - }, - - pseudos: { - // Potentially complex pseudos - "not": markFunction(function( selector ) { - // Trim the selector passed to compile - // to avoid treating leading and trailing - // spaces as combinators - var input = [], - results = [], - matcher = compile( selector.replace( rtrim, "$1" ) ); - - return matcher[ expando ] ? - markFunction(function( seed, matches, context, xml ) { - var elem, - unmatched = matcher( seed, null, xml, [] ), - i = seed.length; - - // Match elements unmatched by `matcher` - while ( i-- ) { - if ( (elem = unmatched[i]) ) { - seed[i] = !(matches[i] = elem); - } - } - }) : - function( elem, context, xml ) { - input[0] = elem; - matcher( input, null, xml, results ); - return !results.pop(); - }; - }), - - "has": markFunction(function( selector ) { - return function( elem ) { - return Sizzle( selector, elem ).length > 0; - }; - }), - - "contains": markFunction(function( text ) { - return function( elem ) { - return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1; - }; - }), - - // "Whether an element is represented by a :lang() selector - // is based solely on the element's language value - // being equal to the identifier C, - // or beginning with the identifier C immediately followed by "-". - // The matching of C against the element's language value is performed case-insensitively. - // The identifier C does not have to be a valid language name." - // http://www.w3.org/TR/selectors/#lang-pseudo - "lang": markFunction( function( lang ) { - // lang value must be a valid identifier - if ( !ridentifier.test(lang || "") ) { - Sizzle.error( "unsupported lang: " + lang ); - } - lang = lang.replace( runescape, funescape ).toLowerCase(); - return function( elem ) { - var elemLang; - do { - if ( (elemLang = documentIsHTML ? - elem.lang : - elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) { - - elemLang = elemLang.toLowerCase(); - return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; - } - } while ( (elem = elem.parentNode) && elem.nodeType === 1 ); - return false; - }; - }), - - // Miscellaneous - "target": function( elem ) { - var hash = window.location && window.location.hash; - return hash && hash.slice( 1 ) === elem.id; - }, - - "root": function( elem ) { - return elem === docElem; - }, - - "focus": function( elem ) { - return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex); - }, - - // Boolean properties - "enabled": function( elem ) { - return elem.disabled === false; - }, - - "disabled": function( elem ) { - return elem.disabled === true; - }, - - "checked": function( elem ) { - // In CSS3, :checked should return both checked and selected elements - // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked - var nodeName = elem.nodeName.toLowerCase(); - return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected); - }, - - "selected": function( elem ) { - // Accessing this property makes selected-by-default - // options in Safari work properly - if ( elem.parentNode ) { - elem.parentNode.selectedIndex; - } - - return elem.selected === true; - }, - - // Contents - "empty": function( elem ) { - // http://www.w3.org/TR/selectors/#empty-pseudo - // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), - // but not by others (comment: 8; processing instruction: 7; etc.) - // nodeType < 6 works because attributes (2) do not appear as children - for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { - if ( elem.nodeType < 6 ) { - return false; - } - } - return true; - }, - - "parent": function( elem ) { - return !Expr.pseudos["empty"]( elem ); - }, - - // Element/input types - "header": function( elem ) { - return rheader.test( elem.nodeName ); - }, - - "input": function( elem ) { - return rinputs.test( elem.nodeName ); - }, - - "button": function( elem ) { - var name = elem.nodeName.toLowerCase(); - return name === "input" && elem.type === "button" || name === "button"; - }, - - "text": function( elem ) { - var attr; - return elem.nodeName.toLowerCase() === "input" && - elem.type === "text" && - - // Support: IE<8 - // New HTML5 attribute values (e.g., "search") appear with elem.type === "text" - ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" ); - }, - - // Position-in-collection - "first": createPositionalPseudo(function() { - return [ 0 ]; - }), - - "last": createPositionalPseudo(function( matchIndexes, length ) { - return [ length - 1 ]; - }), - - "eq": createPositionalPseudo(function( matchIndexes, length, argument ) { - return [ argument < 0 ? argument + length : argument ]; - }), - - "even": createPositionalPseudo(function( matchIndexes, length ) { - var i = 0; - for ( ; i < length; i += 2 ) { - matchIndexes.push( i ); - } - return matchIndexes; - }), - - "odd": createPositionalPseudo(function( matchIndexes, length ) { - var i = 1; - for ( ; i < length; i += 2 ) { - matchIndexes.push( i ); - } - return matchIndexes; - }), - - "lt": createPositionalPseudo(function( matchIndexes, length, argument ) { - var i = argument < 0 ? argument + length : argument; - for ( ; --i >= 0; ) { - matchIndexes.push( i ); - } - return matchIndexes; - }), - - "gt": createPositionalPseudo(function( matchIndexes, length, argument ) { - var i = argument < 0 ? argument + length : argument; - for ( ; ++i < length; ) { - matchIndexes.push( i ); - } - return matchIndexes; - }) - } -}; - -Expr.pseudos["nth"] = Expr.pseudos["eq"]; - -// Add button/input type pseudos -for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { - Expr.pseudos[ i ] = createInputPseudo( i ); -} -for ( i in { submit: true, reset: true } ) { - Expr.pseudos[ i ] = createButtonPseudo( i ); -} - -// Easy API for creating new setFilters -function setFilters() {} -setFilters.prototype = Expr.filters = Expr.pseudos; -Expr.setFilters = new setFilters(); - -function tokenize( selector, parseOnly ) { - var matched, match, tokens, type, - soFar, groups, preFilters, - cached = tokenCache[ selector + " " ]; - - if ( cached ) { - return parseOnly ? 0 : cached.slice( 0 ); - } - - soFar = selector; - groups = []; - preFilters = Expr.preFilter; - - while ( soFar ) { - - // Comma and first run - if ( !matched || (match = rcomma.exec( soFar )) ) { - if ( match ) { - // Don't consume trailing commas as valid - soFar = soFar.slice( match[0].length ) || soFar; - } - groups.push( (tokens = []) ); - } - - matched = false; - - // Combinators - if ( (match = rcombinators.exec( soFar )) ) { - matched = match.shift(); - tokens.push({ - value: matched, - // Cast descendant combinators to space - type: match[0].replace( rtrim, " " ) - }); - soFar = soFar.slice( matched.length ); - } - - // Filters - for ( type in Expr.filter ) { - if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] || - (match = preFilters[ type ]( match ))) ) { - matched = match.shift(); - tokens.push({ - value: matched, - type: type, - matches: match - }); - soFar = soFar.slice( matched.length ); - } - } - - if ( !matched ) { - break; - } - } - - // Return the length of the invalid excess - // if we're just parsing - // Otherwise, throw an error or return tokens - return parseOnly ? - soFar.length : - soFar ? - Sizzle.error( selector ) : - // Cache the tokens - tokenCache( selector, groups ).slice( 0 ); -} - -function toSelector( tokens ) { - var i = 0, - len = tokens.length, - selector = ""; - for ( ; i < len; i++ ) { - selector += tokens[i].value; - } - return selector; -} - -function addCombinator( matcher, combinator, base ) { - var dir = combinator.dir, - checkNonElements = base && dir === "parentNode", - doneName = done++; - - return combinator.first ? - // Check against closest ancestor/preceding element - function( elem, context, xml ) { - while ( (elem = elem[ dir ]) ) { - if ( elem.nodeType === 1 || checkNonElements ) { - return matcher( elem, context, xml ); - } - } - } : - - // Check against all ancestor/preceding elements - function( elem, context, xml ) { - var oldCache, outerCache, - newCache = [ dirruns, doneName ]; - - // We can't set arbitrary data on XML nodes, so they don't benefit from dir caching - if ( xml ) { - while ( (elem = elem[ dir ]) ) { - if ( elem.nodeType === 1 || checkNonElements ) { - if ( matcher( elem, context, xml ) ) { - return true; - } - } - } - } else { - while ( (elem = elem[ dir ]) ) { - if ( elem.nodeType === 1 || checkNonElements ) { - outerCache = elem[ expando ] || (elem[ expando ] = {}); - if ( (oldCache = outerCache[ dir ]) && - oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) { - - // Assign to newCache so results back-propagate to previous elements - return (newCache[ 2 ] = oldCache[ 2 ]); - } else { - // Reuse newcache so results back-propagate to previous elements - outerCache[ dir ] = newCache; - - // A match means we're done; a fail means we have to keep checking - if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) { - return true; - } - } - } - } - } - }; -} - -function elementMatcher( matchers ) { - return matchers.length > 1 ? - function( elem, context, xml ) { - var i = matchers.length; - while ( i-- ) { - if ( !matchers[i]( elem, context, xml ) ) { - return false; - } - } - return true; - } : - matchers[0]; -} - -function condense( unmatched, map, filter, context, xml ) { - var elem, - newUnmatched = [], - i = 0, - len = unmatched.length, - mapped = map != null; - - for ( ; i < len; i++ ) { - if ( (elem = unmatched[i]) ) { - if ( !filter || filter( elem, context, xml ) ) { - newUnmatched.push( elem ); - if ( mapped ) { - map.push( i ); - } - } - } - } - - return newUnmatched; -} - -function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { - if ( postFilter && !postFilter[ expando ] ) { - postFilter = setMatcher( postFilter ); - } - if ( postFinder && !postFinder[ expando ] ) { - postFinder = setMatcher( postFinder, postSelector ); - } - return markFunction(function( seed, results, context, xml ) { - var temp, i, elem, - preMap = [], - postMap = [], - preexisting = results.length, - - // Get initial elements from seed or context - elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ), - - // Prefilter to get matcher input, preserving a map for seed-results synchronization - matcherIn = preFilter && ( seed || !selector ) ? - condense( elems, preMap, preFilter, context, xml ) : - elems, - - matcherOut = matcher ? - // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, - postFinder || ( seed ? preFilter : preexisting || postFilter ) ? - - // ...intermediate processing is necessary - [] : - - // ...otherwise use results directly - results : - matcherIn; - - // Find primary matches - if ( matcher ) { - matcher( matcherIn, matcherOut, context, xml ); - } - - // Apply postFilter - if ( postFilter ) { - temp = condense( matcherOut, postMap ); - postFilter( temp, [], context, xml ); - - // Un-match failing elements by moving them back to matcherIn - i = temp.length; - while ( i-- ) { - if ( (elem = temp[i]) ) { - matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem); - } - } - } - - if ( seed ) { - if ( postFinder || preFilter ) { - if ( postFinder ) { - // Get the final matcherOut by condensing this intermediate into postFinder contexts - temp = []; - i = matcherOut.length; - while ( i-- ) { - if ( (elem = matcherOut[i]) ) { - // Restore matcherIn since elem is not yet a final match - temp.push( (matcherIn[i] = elem) ); - } - } - postFinder( null, (matcherOut = []), temp, xml ); - } - - // Move matched elements from seed to results to keep them synchronized - i = matcherOut.length; - while ( i-- ) { - if ( (elem = matcherOut[i]) && - (temp = postFinder ? indexOf.call( seed, elem ) : preMap[i]) > -1 ) { - - seed[temp] = !(results[temp] = elem); - } - } - } - - // Add elements to results, through postFinder if defined - } else { - matcherOut = condense( - matcherOut === results ? - matcherOut.splice( preexisting, matcherOut.length ) : - matcherOut - ); - if ( postFinder ) { - postFinder( null, results, matcherOut, xml ); - } else { - push.apply( results, matcherOut ); - } - } - }); -} - -function matcherFromTokens( tokens ) { - var checkContext, matcher, j, - len = tokens.length, - leadingRelative = Expr.relative[ tokens[0].type ], - implicitRelative = leadingRelative || Expr.relative[" "], - i = leadingRelative ? 1 : 0, - - // The foundational matcher ensures that elements are reachable from top-level context(s) - matchContext = addCombinator( function( elem ) { - return elem === checkContext; - }, implicitRelative, true ), - matchAnyContext = addCombinator( function( elem ) { - return indexOf.call( checkContext, elem ) > -1; - }, implicitRelative, true ), - matchers = [ function( elem, context, xml ) { - return ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( - (checkContext = context).nodeType ? - matchContext( elem, context, xml ) : - matchAnyContext( elem, context, xml ) ); - } ]; - - for ( ; i < len; i++ ) { - if ( (matcher = Expr.relative[ tokens[i].type ]) ) { - matchers = [ addCombinator(elementMatcher( matchers ), matcher) ]; - } else { - matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches ); - - // Return special upon seeing a positional matcher - if ( matcher[ expando ] ) { - // Find the next relative operator (if any) for proper handling - j = ++i; - for ( ; j < len; j++ ) { - if ( Expr.relative[ tokens[j].type ] ) { - break; - } - } - return setMatcher( - i > 1 && elementMatcher( matchers ), - i > 1 && toSelector( - // If the preceding token was a descendant combinator, insert an implicit any-element `*` - tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" }) - ).replace( rtrim, "$1" ), - matcher, - i < j && matcherFromTokens( tokens.slice( i, j ) ), - j < len && matcherFromTokens( (tokens = tokens.slice( j )) ), - j < len && toSelector( tokens ) - ); - } - matchers.push( matcher ); - } - } - - return elementMatcher( matchers ); -} - -function matcherFromGroupMatchers( elementMatchers, setMatchers ) { - var bySet = setMatchers.length > 0, - byElement = elementMatchers.length > 0, - superMatcher = function( seed, context, xml, results, outermost ) { - var elem, j, matcher, - matchedCount = 0, - i = "0", - unmatched = seed && [], - setMatched = [], - contextBackup = outermostContext, - // We must always have either seed elements or outermost context - elems = seed || byElement && Expr.find["TAG"]( "*", outermost ), - // Use integer dirruns iff this is the outermost matcher - dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1), - len = elems.length; - - if ( outermost ) { - outermostContext = context !== document && context; - } - - // Add elements passing elementMatchers directly to results - // Keep `i` a string if there are no elements so `matchedCount` will be "00" below - // Support: IE<9, Safari - // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id - for ( ; i !== len && (elem = elems[i]) != null; i++ ) { - if ( byElement && elem ) { - j = 0; - while ( (matcher = elementMatchers[j++]) ) { - if ( matcher( elem, context, xml ) ) { - results.push( elem ); - break; - } - } - if ( outermost ) { - dirruns = dirrunsUnique; - } - } - - // Track unmatched elements for set filters - if ( bySet ) { - // They will have gone through all possible matchers - if ( (elem = !matcher && elem) ) { - matchedCount--; - } - - // Lengthen the array for every element, matched or not - if ( seed ) { - unmatched.push( elem ); - } - } - } - - // Apply set filters to unmatched elements - matchedCount += i; - if ( bySet && i !== matchedCount ) { - j = 0; - while ( (matcher = setMatchers[j++]) ) { - matcher( unmatched, setMatched, context, xml ); - } - - if ( seed ) { - // Reintegrate element matches to eliminate the need for sorting - if ( matchedCount > 0 ) { - while ( i-- ) { - if ( !(unmatched[i] || setMatched[i]) ) { - setMatched[i] = pop.call( results ); - } - } - } - - // Discard index placeholder values to get only actual matches - setMatched = condense( setMatched ); - } - - // Add matches to results - push.apply( results, setMatched ); - - // Seedless set matches succeeding multiple successful matchers stipulate sorting - if ( outermost && !seed && setMatched.length > 0 && - ( matchedCount + setMatchers.length ) > 1 ) { - - Sizzle.uniqueSort( results ); - } - } - - // Override manipulation of globals by nested matchers - if ( outermost ) { - dirruns = dirrunsUnique; - outermostContext = contextBackup; - } - - return unmatched; - }; - - return bySet ? - markFunction( superMatcher ) : - superMatcher; -} - -compile = Sizzle.compile = function( selector, group /* Internal Use Only */ ) { - var i, - setMatchers = [], - elementMatchers = [], - cached = compilerCache[ selector + " " ]; - - if ( !cached ) { - // Generate a function of recursive functions that can be used to check each element - if ( !group ) { - group = tokenize( selector ); - } - i = group.length; - while ( i-- ) { - cached = matcherFromTokens( group[i] ); - if ( cached[ expando ] ) { - setMatchers.push( cached ); - } else { - elementMatchers.push( cached ); - } - } - - // Cache the compiled function - cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) ); - } - return cached; -}; - -function multipleContexts( selector, contexts, results ) { - var i = 0, - len = contexts.length; - for ( ; i < len; i++ ) { - Sizzle( selector, contexts[i], results ); - } - return results; -} - -function select( selector, context, results, seed ) { - var i, tokens, token, type, find, - match = tokenize( selector ); - - if ( !seed ) { - // Try to minimize operations if there is only one group - if ( match.length === 1 ) { - - // Take a shortcut and set the context if the root selector is an ID - tokens = match[0] = match[0].slice( 0 ); - if ( tokens.length > 2 && (token = tokens[0]).type === "ID" && - support.getById && context.nodeType === 9 && documentIsHTML && - Expr.relative[ tokens[1].type ] ) { - - context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0]; - if ( !context ) { - return results; - } - selector = selector.slice( tokens.shift().value.length ); - } - - // Fetch a seed set for right-to-left matching - i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length; - while ( i-- ) { - token = tokens[i]; - - // Abort if we hit a combinator - if ( Expr.relative[ (type = token.type) ] ) { - break; - } - if ( (find = Expr.find[ type ]) ) { - // Search, expanding context for leading sibling combinators - if ( (seed = find( - token.matches[0].replace( runescape, funescape ), - rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context - )) ) { - - // If seed is empty or no tokens remain, we can return early - tokens.splice( i, 1 ); - selector = seed.length && toSelector( tokens ); - if ( !selector ) { - push.apply( results, seed ); - return results; - } - - break; - } - } - } - } - } - - // Compile and execute a filtering function - // Provide `match` to avoid retokenization if we modified the selector above - compile( selector, match )( - seed, - context, - !documentIsHTML, - results, - rsibling.test( selector ) && testContext( context.parentNode ) || context - ); - return results; -} - -// One-time assignments - -// Sort stability -support.sortStable = expando.split("").sort( sortOrder ).join("") === expando; - -// Support: Chrome<14 -// Always assume duplicates if they aren't passed to the comparison function -support.detectDuplicates = !!hasDuplicate; - -// Initialize against the default document -setDocument(); - -// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27) -// Detached nodes confoundingly follow *each other* -support.sortDetached = assert(function( div1 ) { - // Should return 1, but returns 4 (following) - return div1.compareDocumentPosition( document.createElement("div") ) & 1; -}); - -// Support: IE<8 -// Prevent attribute/property "interpolation" -// http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx -if ( !assert(function( div ) { - div.innerHTML = "<a href='#'></a>"; - return div.firstChild.getAttribute("href") === "#" ; -}) ) { - addHandle( "type|href|height|width", function( elem, name, isXML ) { - if ( !isXML ) { - return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 ); - } - }); -} - -// Support: IE<9 -// Use defaultValue in place of getAttribute("value") -if ( !support.attributes || !assert(function( div ) { - div.innerHTML = "<input/>"; - div.firstChild.setAttribute( "value", "" ); - return div.firstChild.getAttribute( "value" ) === ""; -}) ) { - addHandle( "value", function( elem, name, isXML ) { - if ( !isXML && elem.nodeName.toLowerCase() === "input" ) { - return elem.defaultValue; - } - }); -} - -// Support: IE<9 -// Use getAttributeNode to fetch booleans when getAttribute lies -if ( !assert(function( div ) { - return div.getAttribute("disabled") == null; -}) ) { - addHandle( booleans, function( elem, name, isXML ) { - var val; - if ( !isXML ) { - return elem[ name ] === true ? name.toLowerCase() : - (val = elem.getAttributeNode( name )) && val.specified ? - val.value : - null; - } - }); -} - -return Sizzle; - -})( window ); - - - -jQuery.find = Sizzle; -jQuery.expr = Sizzle.selectors; -jQuery.expr[":"] = jQuery.expr.pseudos; -jQuery.unique = Sizzle.uniqueSort; -jQuery.text = Sizzle.getText; -jQuery.isXMLDoc = Sizzle.isXML; -jQuery.contains = Sizzle.contains; - - - -var rneedsContext = jQuery.expr.match.needsContext; - -var rsingleTag = (/^<(\w+)\s*\/?>(?:<\/\1>|)$/); - - - -var risSimple = /^.[^:#\[\.,]*$/; - -// Implement the identical functionality for filter and not -function winnow( elements, qualifier, not ) { - if ( jQuery.isFunction( qualifier ) ) { - return jQuery.grep( elements, function( elem, i ) { - /* jshint -W018 */ - return !!qualifier.call( elem, i, elem ) !== not; - }); - - } - - if ( qualifier.nodeType ) { - return jQuery.grep( elements, function( elem ) { - return ( elem === qualifier ) !== not; - }); - - } - - if ( typeof qualifier === "string" ) { - if ( risSimple.test( qualifier ) ) { - return jQuery.filter( qualifier, elements, not ); - } - - qualifier = jQuery.filter( qualifier, elements ); - } - - return jQuery.grep( elements, function( elem ) { - return ( indexOf.call( qualifier, elem ) >= 0 ) !== not; - }); -} - -jQuery.filter = function( expr, elems, not ) { - var elem = elems[ 0 ]; - - if ( not ) { - expr = ":not(" + expr + ")"; - } - - return elems.length === 1 && elem.nodeType === 1 ? - jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] : - jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) { - return elem.nodeType === 1; - })); -}; - -jQuery.fn.extend({ - find: function( selector ) { - var i, - len = this.length, - ret = [], - self = this; - - if ( typeof selector !== "string" ) { - return this.pushStack( jQuery( selector ).filter(function() { - for ( i = 0; i < len; i++ ) { - if ( jQuery.contains( self[ i ], this ) ) { - return true; - } - } - }) ); - } - - for ( i = 0; i < len; i++ ) { - jQuery.find( selector, self[ i ], ret ); - } - - // Needed because $( selector, context ) becomes $( context ).find( selector ) - ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret ); - ret.selector = this.selector ? this.selector + " " + selector : selector; - return ret; - }, - filter: function( selector ) { - return this.pushStack( winnow(this, selector || [], false) ); - }, - not: function( selector ) { - return this.pushStack( winnow(this, selector || [], true) ); - }, - is: function( selector ) { - return !!winnow( - this, - - // If this is a positional/relative selector, check membership in the returned set - // so $("p:first").is("p:last") won't return true for a doc with two "p". - typeof selector === "string" && rneedsContext.test( selector ) ? - jQuery( selector ) : - selector || [], - false - ).length; - } -}); - - -// Initialize a jQuery object - - -// A central reference to the root jQuery(document) -var rootjQuery, - - // A simple way to check for HTML strings - // Prioritize #id over <tag> to avoid XSS via location.hash (#9521) - // Strict HTML recognition (#11290: must start with <) - rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/, - - init = jQuery.fn.init = function( selector, context ) { - var match, elem; - - // HANDLE: $(""), $(null), $(undefined), $(false) - if ( !selector ) { - return this; - } - - // Handle HTML strings - if ( typeof selector === "string" ) { - if ( selector[0] === "<" && selector[ selector.length - 1 ] === ">" && selector.length >= 3 ) { - // Assume that strings that start and end with <> are HTML and skip the regex check - match = [ null, selector, null ]; - - } else { - match = rquickExpr.exec( selector ); - } - - // Match html or make sure no context is specified for #id - if ( match && (match[1] || !context) ) { - - // HANDLE: $(html) -> $(array) - if ( match[1] ) { - context = context instanceof jQuery ? context[0] : context; - - // scripts is true for back-compat - // Intentionally let the error be thrown if parseHTML is not present - jQuery.merge( this, jQuery.parseHTML( - match[1], - context && context.nodeType ? context.ownerDocument || context : document, - true - ) ); - - // HANDLE: $(html, props) - if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) { - for ( match in context ) { - // Properties of context are called as methods if possible - if ( jQuery.isFunction( this[ match ] ) ) { - this[ match ]( context[ match ] ); - - // ...and otherwise set as attributes - } else { - this.attr( match, context[ match ] ); - } - } - } - - return this; - - // HANDLE: $(#id) - } else { - elem = document.getElementById( match[2] ); - - // Check parentNode to catch when Blackberry 4.6 returns - // nodes that are no longer in the document #6963 - if ( elem && elem.parentNode ) { - // Inject the element directly into the jQuery object - this.length = 1; - this[0] = elem; - } - - this.context = document; - this.selector = selector; - return this; - } - - // HANDLE: $(expr, $(...)) - } else if ( !context || context.jquery ) { - return ( context || rootjQuery ).find( selector ); - - // HANDLE: $(expr, context) - // (which is just equivalent to: $(context).find(expr) - } else { - return this.constructor( context ).find( selector ); - } - - // HANDLE: $(DOMElement) - } else if ( selector.nodeType ) { - this.context = this[0] = selector; - this.length = 1; - return this; - - // HANDLE: $(function) - // Shortcut for document ready - } else if ( jQuery.isFunction( selector ) ) { - return typeof rootjQuery.ready !== "undefined" ? - rootjQuery.ready( selector ) : - // Execute immediately if ready is not present - selector( jQuery ); - } - - if ( selector.selector !== undefined ) { - this.selector = selector.selector; - this.context = selector.context; - } - - return jQuery.makeArray( selector, this ); - }; - -// Give the init function the jQuery prototype for later instantiation -init.prototype = jQuery.fn; - -// Initialize central reference -rootjQuery = jQuery( document ); - - -var rparentsprev = /^(?:parents|prev(?:Until|All))/, - // methods guaranteed to produce a unique set when starting from a unique set - guaranteedUnique = { - children: true, - contents: true, - next: true, - prev: true - }; - -jQuery.extend({ - dir: function( elem, dir, until ) { - var matched = [], - truncate = until !== undefined; - - while ( (elem = elem[ dir ]) && elem.nodeType !== 9 ) { - if ( elem.nodeType === 1 ) { - if ( truncate && jQuery( elem ).is( until ) ) { - break; - } - matched.push( elem ); - } - } - return matched; - }, - - sibling: function( n, elem ) { - var matched = []; - - for ( ; n; n = n.nextSibling ) { - if ( n.nodeType === 1 && n !== elem ) { - matched.push( n ); - } - } - - return matched; - } -}); - -jQuery.fn.extend({ - has: function( target ) { - var targets = jQuery( target, this ), - l = targets.length; - - return this.filter(function() { - var i = 0; - for ( ; i < l; i++ ) { - if ( jQuery.contains( this, targets[i] ) ) { - return true; - } - } - }); - }, - - closest: function( selectors, context ) { - var cur, - i = 0, - l = this.length, - matched = [], - pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ? - jQuery( selectors, context || this.context ) : - 0; - - for ( ; i < l; i++ ) { - for ( cur = this[i]; cur && cur !== context; cur = cur.parentNode ) { - // Always skip document fragments - if ( cur.nodeType < 11 && (pos ? - pos.index(cur) > -1 : - - // Don't pass non-elements to Sizzle - cur.nodeType === 1 && - jQuery.find.matchesSelector(cur, selectors)) ) { - - matched.push( cur ); - break; - } - } - } - - return this.pushStack( matched.length > 1 ? jQuery.unique( matched ) : matched ); - }, - - // Determine the position of an element within - // the matched set of elements - index: function( elem ) { - - // No argument, return index in parent - if ( !elem ) { - return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1; - } - - // index in selector - if ( typeof elem === "string" ) { - return indexOf.call( jQuery( elem ), this[ 0 ] ); - } - - // Locate the position of the desired element - return indexOf.call( this, - - // If it receives a jQuery object, the first element is used - elem.jquery ? elem[ 0 ] : elem - ); - }, - - add: function( selector, context ) { - return this.pushStack( - jQuery.unique( - jQuery.merge( this.get(), jQuery( selector, context ) ) - ) - ); - }, - - addBack: function( selector ) { - return this.add( selector == null ? - this.prevObject : this.prevObject.filter(selector) - ); - } -}); - -function sibling( cur, dir ) { - while ( (cur = cur[dir]) && cur.nodeType !== 1 ) {} - return cur; -} - -jQuery.each({ - parent: function( elem ) { - var parent = elem.parentNode; - return parent && parent.nodeType !== 11 ? parent : null; - }, - parents: function( elem ) { - return jQuery.dir( elem, "parentNode" ); - }, - parentsUntil: function( elem, i, until ) { - return jQuery.dir( elem, "parentNode", until ); - }, - next: function( elem ) { - return sibling( elem, "nextSibling" ); - }, - prev: function( elem ) { - return sibling( elem, "previousSibling" ); - }, - nextAll: function( elem ) { - return jQuery.dir( elem, "nextSibling" ); - }, - prevAll: function( elem ) { - return jQuery.dir( elem, "previousSibling" ); - }, - nextUntil: function( elem, i, until ) { - return jQuery.dir( elem, "nextSibling", until ); - }, - prevUntil: function( elem, i, until ) { - return jQuery.dir( elem, "previousSibling", until ); - }, - siblings: function( elem ) { - return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem ); - }, - children: function( elem ) { - return jQuery.sibling( elem.firstChild ); - }, - contents: function( elem ) { - return elem.contentDocument || jQuery.merge( [], elem.childNodes ); - } -}, function( name, fn ) { - jQuery.fn[ name ] = function( until, selector ) { - var matched = jQuery.map( this, fn, until ); - - if ( name.slice( -5 ) !== "Until" ) { - selector = until; - } - - if ( selector && typeof selector === "string" ) { - matched = jQuery.filter( selector, matched ); - } - - if ( this.length > 1 ) { - // Remove duplicates - if ( !guaranteedUnique[ name ] ) { - jQuery.unique( matched ); - } - - // Reverse order for parents* and prev-derivatives - if ( rparentsprev.test( name ) ) { - matched.reverse(); - } - } - - return this.pushStack( matched ); - }; -}); -var rnotwhite = (/\S+/g); - - - -// String to Object options format cache -var optionsCache = {}; - -// Convert String-formatted options into Object-formatted ones and store in cache -function createOptions( options ) { - var object = optionsCache[ options ] = {}; - jQuery.each( options.match( rnotwhite ) || [], function( _, flag ) { - object[ flag ] = true; - }); - return object; -} - -/* - * Create a callback list using the following parameters: - * - * options: an optional list of space-separated options that will change how - * the callback list behaves or a more traditional option object - * - * By default a callback list will act like an event callback list and can be - * "fired" multiple times. - * - * Possible options: - * - * once: will ensure the callback list can only be fired once (like a Deferred) - * - * memory: will keep track of previous values and will call any callback added - * after the list has been fired right away with the latest "memorized" - * values (like a Deferred) - * - * unique: will ensure a callback can only be added once (no duplicate in the list) - * - * stopOnFalse: interrupt callings when a callback returns false - * - */ -jQuery.Callbacks = function( options ) { - - // Convert options from String-formatted to Object-formatted if needed - // (we check in cache first) - options = typeof options === "string" ? - ( optionsCache[ options ] || createOptions( options ) ) : - jQuery.extend( {}, options ); - - var // Last fire value (for non-forgettable lists) - memory, - // Flag to know if list was already fired - fired, - // Flag to know if list is currently firing - firing, - // First callback to fire (used internally by add and fireWith) - firingStart, - // End of the loop when firing - firingLength, - // Index of currently firing callback (modified by remove if needed) - firingIndex, - // Actual callback list - list = [], - // Stack of fire calls for repeatable lists - stack = !options.once && [], - // Fire callbacks - fire = function( data ) { - memory = options.memory && data; - fired = true; - firingIndex = firingStart || 0; - firingStart = 0; - firingLength = list.length; - firing = true; - for ( ; list && firingIndex < firingLength; firingIndex++ ) { - if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) { - memory = false; // To prevent further calls using add - break; - } - } - firing = false; - if ( list ) { - if ( stack ) { - if ( stack.length ) { - fire( stack.shift() ); - } - } else if ( memory ) { - list = []; - } else { - self.disable(); - } - } - }, - // Actual Callbacks object - self = { - // Add a callback or a collection of callbacks to the list - add: function() { - if ( list ) { - // First, we save the current length - var start = list.length; - (function add( args ) { - jQuery.each( args, function( _, arg ) { - var type = jQuery.type( arg ); - if ( type === "function" ) { - if ( !options.unique || !self.has( arg ) ) { - list.push( arg ); - } - } else if ( arg && arg.length && type !== "string" ) { - // Inspect recursively - add( arg ); - } - }); - })( arguments ); - // Do we need to add the callbacks to the - // current firing batch? - if ( firing ) { - firingLength = list.length; - // With memory, if we're not firing then - // we should call right away - } else if ( memory ) { - firingStart = start; - fire( memory ); - } - } - return this; - }, - // Remove a callback from the list - remove: function() { - if ( list ) { - jQuery.each( arguments, function( _, arg ) { - var index; - while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) { - list.splice( index, 1 ); - // Handle firing indexes - if ( firing ) { - if ( index <= firingLength ) { - firingLength--; - } - if ( index <= firingIndex ) { - firingIndex--; - } - } - } - }); - } - return this; - }, - // Check if a given callback is in the list. - // If no argument is given, return whether or not list has callbacks attached. - has: function( fn ) { - return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length ); - }, - // Remove all callbacks from the list - empty: function() { - list = []; - firingLength = 0; - return this; - }, - // Have the list do nothing anymore - disable: function() { - list = stack = memory = undefined; - return this; - }, - // Is it disabled? - disabled: function() { - return !list; - }, - // Lock the list in its current state - lock: function() { - stack = undefined; - if ( !memory ) { - self.disable(); - } - return this; - }, - // Is it locked? - locked: function() { - return !stack; - }, - // Call all callbacks with the given context and arguments - fireWith: function( context, args ) { - if ( list && ( !fired || stack ) ) { - args = args || []; - args = [ context, args.slice ? args.slice() : args ]; - if ( firing ) { - stack.push( args ); - } else { - fire( args ); - } - } - return this; - }, - // Call all the callbacks with the given arguments - fire: function() { - self.fireWith( this, arguments ); - return this; - }, - // To know if the callbacks have already been called at least once - fired: function() { - return !!fired; - } - }; - - return self; -}; - - -jQuery.extend({ - - Deferred: function( func ) { - var tuples = [ - // action, add listener, listener list, final state - [ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ], - [ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ], - [ "notify", "progress", jQuery.Callbacks("memory") ] - ], - state = "pending", - promise = { - state: function() { - return state; - }, - always: function() { - deferred.done( arguments ).fail( arguments ); - return this; - }, - then: function( /* fnDone, fnFail, fnProgress */ ) { - var fns = arguments; - return jQuery.Deferred(function( newDefer ) { - jQuery.each( tuples, function( i, tuple ) { - var fn = jQuery.isFunction( fns[ i ] ) && fns[ i ]; - // deferred[ done | fail | progress ] for forwarding actions to newDefer - deferred[ tuple[1] ](function() { - var returned = fn && fn.apply( this, arguments ); - if ( returned && jQuery.isFunction( returned.promise ) ) { - returned.promise() - .done( newDefer.resolve ) - .fail( newDefer.reject ) - .progress( newDefer.notify ); - } else { - newDefer[ tuple[ 0 ] + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments ); - } - }); - }); - fns = null; - }).promise(); - }, - // Get a promise for this deferred - // If obj is provided, the promise aspect is added to the object - promise: function( obj ) { - return obj != null ? jQuery.extend( obj, promise ) : promise; - } - }, - deferred = {}; - - // Keep pipe for back-compat - promise.pipe = promise.then; - - // Add list-specific methods - jQuery.each( tuples, function( i, tuple ) { - var list = tuple[ 2 ], - stateString = tuple[ 3 ]; - - // promise[ done | fail | progress ] = list.add - promise[ tuple[1] ] = list.add; - - // Handle state - if ( stateString ) { - list.add(function() { - // state = [ resolved | rejected ] - state = stateString; - - // [ reject_list | resolve_list ].disable; progress_list.lock - }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock ); - } - - // deferred[ resolve | reject | notify ] - deferred[ tuple[0] ] = function() { - deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments ); - return this; - }; - deferred[ tuple[0] + "With" ] = list.fireWith; - }); - - // Make the deferred a promise - promise.promise( deferred ); - - // Call given func if any - if ( func ) { - func.call( deferred, deferred ); - } - - // All done! - return deferred; - }, - - // Deferred helper - when: function( subordinate /* , ..., subordinateN */ ) { - var i = 0, - resolveValues = slice.call( arguments ), - length = resolveValues.length, - - // the count of uncompleted subordinates - remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0, - - // the master Deferred. If resolveValues consist of only a single Deferred, just use that. - deferred = remaining === 1 ? subordinate : jQuery.Deferred(), - - // Update function for both resolve and progress values - updateFunc = function( i, contexts, values ) { - return function( value ) { - contexts[ i ] = this; - values[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; - if ( values === progressValues ) { - deferred.notifyWith( contexts, values ); - } else if ( !( --remaining ) ) { - deferred.resolveWith( contexts, values ); - } - }; - }, - - progressValues, progressContexts, resolveContexts; - - // add listeners to Deferred subordinates; treat others as resolved - if ( length > 1 ) { - progressValues = new Array( length ); - progressContexts = new Array( length ); - resolveContexts = new Array( length ); - for ( ; i < length; i++ ) { - if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) { - resolveValues[ i ].promise() - .done( updateFunc( i, resolveContexts, resolveValues ) ) - .fail( deferred.reject ) - .progress( updateFunc( i, progressContexts, progressValues ) ); - } else { - --remaining; - } - } - } - - // if we're not waiting on anything, resolve the master - if ( !remaining ) { - deferred.resolveWith( resolveContexts, resolveValues ); - } - - return deferred.promise(); - } -}); - - -// The deferred used on DOM ready -var readyList; - -jQuery.fn.ready = function( fn ) { - // Add the callback - jQuery.ready.promise().done( fn ); - - return this; -}; - -jQuery.extend({ - // Is the DOM ready to be used? Set to true once it occurs. - isReady: false, - - // A counter to track how many items to wait for before - // the ready event fires. See #6781 - readyWait: 1, - - // Hold (or release) the ready event - holdReady: function( hold ) { - if ( hold ) { - jQuery.readyWait++; - } else { - jQuery.ready( true ); - } - }, - - // Handle when the DOM is ready - ready: function( wait ) { - - // Abort if there are pending holds or we're already ready - if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) { - return; - } - - // Remember that the DOM is ready - jQuery.isReady = true; - - // If a normal DOM Ready event fired, decrement, and wait if need be - if ( wait !== true && --jQuery.readyWait > 0 ) { - return; - } - - // If there are functions bound, to execute - readyList.resolveWith( document, [ jQuery ] ); - - // Trigger any bound ready events - if ( jQuery.fn.trigger ) { - jQuery( document ).trigger("ready").off("ready"); - } - } -}); - -/** - * The ready event handler and self cleanup method - */ -function completed() { - document.removeEventListener( "DOMContentLoaded", completed, false ); - window.removeEventListener( "load", completed, false ); - jQuery.ready(); -} - -jQuery.ready.promise = function( obj ) { - if ( !readyList ) { - - readyList = jQuery.Deferred(); - - // Catch cases where $(document).ready() is called after the browser event has already occurred. - // we once tried to use readyState "interactive" here, but it caused issues like the one - // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15 - if ( document.readyState === "complete" ) { - // Handle it asynchronously to allow scripts the opportunity to delay ready - setTimeout( jQuery.ready ); - - } else { - - // Use the handy event callback - document.addEventListener( "DOMContentLoaded", completed, false ); - - // A fallback to window.onload, that will always work - window.addEventListener( "load", completed, false ); - } - } - return readyList.promise( obj ); -}; - -// Kick off the DOM ready check even if the user does not -jQuery.ready.promise(); - - - - -// Multifunctional method to get and set values of a collection -// The value/s can optionally be executed if it's a function -var access = jQuery.access = function( elems, fn, key, value, chainable, emptyGet, raw ) { - var i = 0, - len = elems.length, - bulk = key == null; - - // Sets many values - if ( jQuery.type( key ) === "object" ) { - chainable = true; - for ( i in key ) { - jQuery.access( elems, fn, i, key[i], true, emptyGet, raw ); - } - - // Sets one value - } else if ( value !== undefined ) { - chainable = true; - - if ( !jQuery.isFunction( value ) ) { - raw = true; - } - - if ( bulk ) { - // Bulk operations run against the entire set - if ( raw ) { - fn.call( elems, value ); - fn = null; - - // ...except when executing function values - } else { - bulk = fn; - fn = function( elem, key, value ) { - return bulk.call( jQuery( elem ), value ); - }; - } - } - - if ( fn ) { - for ( ; i < len; i++ ) { - fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) ); - } - } - } - - return chainable ? - elems : - - // Gets - bulk ? - fn.call( elems ) : - len ? fn( elems[0], key ) : emptyGet; -}; - - -/** - * Determines whether an object can have data - */ -jQuery.acceptData = function( owner ) { - // Accepts only: - // - Node - // - Node.ELEMENT_NODE - // - Node.DOCUMENT_NODE - // - Object - // - Any - /* jshint -W018 */ - return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType ); -}; - - -function Data() { - // Support: Android < 4, - // Old WebKit does not have Object.preventExtensions/freeze method, - // return new empty object instead with no [[set]] accessor - Object.defineProperty( this.cache = {}, 0, { - get: function() { - return {}; - } - }); - - this.expando = jQuery.expando + Math.random(); -} - -Data.uid = 1; -Data.accepts = jQuery.acceptData; - -Data.prototype = { - key: function( owner ) { - // We can accept data for non-element nodes in modern browsers, - // but we should not, see #8335. - // Always return the key for a frozen object. - if ( !Data.accepts( owner ) ) { - return 0; - } - - var descriptor = {}, - // Check if the owner object already has a cache key - unlock = owner[ this.expando ]; - - // If not, create one - if ( !unlock ) { - unlock = Data.uid++; - - // Secure it in a non-enumerable, non-writable property - try { - descriptor[ this.expando ] = { value: unlock }; - Object.defineProperties( owner, descriptor ); - - // Support: Android < 4 - // Fallback to a less secure definition - } catch ( e ) { - descriptor[ this.expando ] = unlock; - jQuery.extend( owner, descriptor ); - } - } - - // Ensure the cache object - if ( !this.cache[ unlock ] ) { - this.cache[ unlock ] = {}; - } - - return unlock; - }, - set: function( owner, data, value ) { - var prop, - // There may be an unlock assigned to this node, - // if there is no entry for this "owner", create one inline - // and set the unlock as though an owner entry had always existed - unlock = this.key( owner ), - cache = this.cache[ unlock ]; - - // Handle: [ owner, key, value ] args - if ( typeof data === "string" ) { - cache[ data ] = value; - - // Handle: [ owner, { properties } ] args - } else { - // Fresh assignments by object are shallow copied - if ( jQuery.isEmptyObject( cache ) ) { - jQuery.extend( this.cache[ unlock ], data ); - // Otherwise, copy the properties one-by-one to the cache object - } else { - for ( prop in data ) { - cache[ prop ] = data[ prop ]; - } - } - } - return cache; - }, - get: function( owner, key ) { - // Either a valid cache is found, or will be created. - // New caches will be created and the unlock returned, - // allowing direct access to the newly created - // empty data object. A valid owner object must be provided. - var cache = this.cache[ this.key( owner ) ]; - - return key === undefined ? - cache : cache[ key ]; - }, - access: function( owner, key, value ) { - var stored; - // In cases where either: - // - // 1. No key was specified - // 2. A string key was specified, but no value provided - // - // Take the "read" path and allow the get method to determine - // which value to return, respectively either: - // - // 1. The entire cache object - // 2. The data stored at the key - // - if ( key === undefined || - ((key && typeof key === "string") && value === undefined) ) { - - stored = this.get( owner, key ); - - return stored !== undefined ? - stored : this.get( owner, jQuery.camelCase(key) ); - } - - // [*]When the key is not a string, or both a key and value - // are specified, set or extend (existing objects) with either: - // - // 1. An object of properties - // 2. A key and value - // - this.set( owner, key, value ); - - // Since the "set" path can have two possible entry points - // return the expected data based on which path was taken[*] - return value !== undefined ? value : key; - }, - remove: function( owner, key ) { - var i, name, camel, - unlock = this.key( owner ), - cache = this.cache[ unlock ]; - - if ( key === undefined ) { - this.cache[ unlock ] = {}; - - } else { - // Support array or space separated string of keys - if ( jQuery.isArray( key ) ) { - // If "name" is an array of keys... - // When data is initially created, via ("key", "val") signature, - // keys will be converted to camelCase. - // Since there is no way to tell _how_ a key was added, remove - // both plain key and camelCase key. #12786 - // This will only penalize the array argument path. - name = key.concat( key.map( jQuery.camelCase ) ); - } else { - camel = jQuery.camelCase( key ); - // Try the string as a key before any manipulation - if ( key in cache ) { - name = [ key, camel ]; - } else { - // If a key with the spaces exists, use it. - // Otherwise, create an array by matching non-whitespace - name = camel; - name = name in cache ? - [ name ] : ( name.match( rnotwhite ) || [] ); - } - } - - i = name.length; - while ( i-- ) { - delete cache[ name[ i ] ]; - } - } - }, - hasData: function( owner ) { - return !jQuery.isEmptyObject( - this.cache[ owner[ this.expando ] ] || {} - ); - }, - discard: function( owner ) { - if ( owner[ this.expando ] ) { - delete this.cache[ owner[ this.expando ] ]; - } - } -}; -var data_priv = new Data(); - -var data_user = new Data(); - - - -/* - Implementation Summary - - 1. Enforce API surface and semantic compatibility with 1.9.x branch - 2. Improve the module's maintainability by reducing the storage - paths to a single mechanism. - 3. Use the same single mechanism to support "private" and "user" data. - 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData) - 5. Avoid exposing implementation details on user objects (eg. expando properties) - 6. Provide a clear path for implementation upgrade to WeakMap in 2014 -*/ -var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/, - rmultiDash = /([A-Z])/g; - -function dataAttr( elem, key, data ) { - var name; - - // If nothing was found internally, try to fetch any - // data from the HTML5 data-* attribute - if ( data === undefined && elem.nodeType === 1 ) { - name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase(); - data = elem.getAttribute( name ); - - if ( typeof data === "string" ) { - try { - data = data === "true" ? true : - data === "false" ? false : - data === "null" ? null : - // Only convert to a number if it doesn't change the string - +data + "" === data ? +data : - rbrace.test( data ) ? jQuery.parseJSON( data ) : - data; - } catch( e ) {} - - // Make sure we set the data so it isn't changed later - data_user.set( elem, key, data ); - } else { - data = undefined; - } - } - return data; -} - -jQuery.extend({ - hasData: function( elem ) { - return data_user.hasData( elem ) || data_priv.hasData( elem ); - }, - - data: function( elem, name, data ) { - return data_user.access( elem, name, data ); - }, - - removeData: function( elem, name ) { - data_user.remove( elem, name ); - }, - - // TODO: Now that all calls to _data and _removeData have been replaced - // with direct calls to data_priv methods, these can be deprecated. - _data: function( elem, name, data ) { - return data_priv.access( elem, name, data ); - }, - - _removeData: function( elem, name ) { - data_priv.remove( elem, name ); - } -}); - -jQuery.fn.extend({ - data: function( key, value ) { - var i, name, data, - elem = this[ 0 ], - attrs = elem && elem.attributes; - - // Gets all values - if ( key === undefined ) { - if ( this.length ) { - data = data_user.get( elem ); - - if ( elem.nodeType === 1 && !data_priv.get( elem, "hasDataAttrs" ) ) { - i = attrs.length; - while ( i-- ) { - name = attrs[ i ].name; - - if ( name.indexOf( "data-" ) === 0 ) { - name = jQuery.camelCase( name.slice(5) ); - dataAttr( elem, name, data[ name ] ); - } - } - data_priv.set( elem, "hasDataAttrs", true ); - } - } - - return data; - } - - // Sets multiple values - if ( typeof key === "object" ) { - return this.each(function() { - data_user.set( this, key ); - }); - } - - return access( this, function( value ) { - var data, - camelKey = jQuery.camelCase( key ); - - // The calling jQuery object (element matches) is not empty - // (and therefore has an element appears at this[ 0 ]) and the - // `value` parameter was not undefined. An empty jQuery object - // will result in `undefined` for elem = this[ 0 ] which will - // throw an exception if an attempt to read a data cache is made. - if ( elem && value === undefined ) { - // Attempt to get data from the cache - // with the key as-is - data = data_user.get( elem, key ); - if ( data !== undefined ) { - return data; - } - - // Attempt to get data from the cache - // with the key camelized - data = data_user.get( elem, camelKey ); - if ( data !== undefined ) { - return data; - } - - // Attempt to "discover" the data in - // HTML5 custom data-* attrs - data = dataAttr( elem, camelKey, undefined ); - if ( data !== undefined ) { - return data; - } - - // We tried really hard, but the data doesn't exist. - return; - } - - // Set the data... - this.each(function() { - // First, attempt to store a copy or reference of any - // data that might've been store with a camelCased key. - var data = data_user.get( this, camelKey ); - - // For HTML5 data-* attribute interop, we have to - // store property names with dashes in a camelCase form. - // This might not apply to all properties...* - data_user.set( this, camelKey, value ); - - // *... In the case of properties that might _actually_ - // have dashes, we need to also store a copy of that - // unchanged property. - if ( key.indexOf("-") !== -1 && data !== undefined ) { - data_user.set( this, key, value ); - } - }); - }, null, value, arguments.length > 1, null, true ); - }, - - removeData: function( key ) { - return this.each(function() { - data_user.remove( this, key ); - }); - } -}); - - -jQuery.extend({ - queue: function( elem, type, data ) { - var queue; - - if ( elem ) { - type = ( type || "fx" ) + "queue"; - queue = data_priv.get( elem, type ); - - // Speed up dequeue by getting out quickly if this is just a lookup - if ( data ) { - if ( !queue || jQuery.isArray( data ) ) { - queue = data_priv.access( elem, type, jQuery.makeArray(data) ); - } else { - queue.push( data ); - } - } - return queue || []; - } - }, - - dequeue: function( elem, type ) { - type = type || "fx"; - - var queue = jQuery.queue( elem, type ), - startLength = queue.length, - fn = queue.shift(), - hooks = jQuery._queueHooks( elem, type ), - next = function() { - jQuery.dequeue( elem, type ); - }; - - // If the fx queue is dequeued, always remove the progress sentinel - if ( fn === "inprogress" ) { - fn = queue.shift(); - startLength--; - } - - if ( fn ) { - - // Add a progress sentinel to prevent the fx queue from being - // automatically dequeued - if ( type === "fx" ) { - queue.unshift( "inprogress" ); - } - - // clear up the last queue stop function - delete hooks.stop; - fn.call( elem, next, hooks ); - } - - if ( !startLength && hooks ) { - hooks.empty.fire(); - } - }, - - // not intended for public consumption - generates a queueHooks object, or returns the current one - _queueHooks: function( elem, type ) { - var key = type + "queueHooks"; - return data_priv.get( elem, key ) || data_priv.access( elem, key, { - empty: jQuery.Callbacks("once memory").add(function() { - data_priv.remove( elem, [ type + "queue", key ] ); - }) - }); - } -}); - -jQuery.fn.extend({ - queue: function( type, data ) { - var setter = 2; - - if ( typeof type !== "string" ) { - data = type; - type = "fx"; - setter--; - } - - if ( arguments.length < setter ) { - return jQuery.queue( this[0], type ); - } - - return data === undefined ? - this : - this.each(function() { - var queue = jQuery.queue( this, type, data ); - - // ensure a hooks for this queue - jQuery._queueHooks( this, type ); - - if ( type === "fx" && queue[0] !== "inprogress" ) { - jQuery.dequeue( this, type ); - } - }); - }, - dequeue: function( type ) { - return this.each(function() { - jQuery.dequeue( this, type ); - }); - }, - clearQueue: function( type ) { - return this.queue( type || "fx", [] ); - }, - // Get a promise resolved when queues of a certain type - // are emptied (fx is the type by default) - promise: function( type, obj ) { - var tmp, - count = 1, - defer = jQuery.Deferred(), - elements = this, - i = this.length, - resolve = function() { - if ( !( --count ) ) { - defer.resolveWith( elements, [ elements ] ); - } - }; - - if ( typeof type !== "string" ) { - obj = type; - type = undefined; - } - type = type || "fx"; - - while ( i-- ) { - tmp = data_priv.get( elements[ i ], type + "queueHooks" ); - if ( tmp && tmp.empty ) { - count++; - tmp.empty.add( resolve ); - } - } - resolve(); - return defer.promise( obj ); - } -}); -var pnum = (/[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/).source; - -var cssExpand = [ "Top", "Right", "Bottom", "Left" ]; - -var isHidden = function( elem, el ) { - // isHidden might be called from jQuery#filter function; - // in that case, element will be second argument - elem = el || elem; - return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem ); - }; - -var rcheckableType = (/^(?:checkbox|radio)$/i); - - - -(function() { - var fragment = document.createDocumentFragment(), - div = fragment.appendChild( document.createElement( "div" ) ); - - // #11217 - WebKit loses check when the name is after the checked attribute - div.innerHTML = "<input type='radio' checked='checked' name='t'/>"; - - // Support: Safari 5.1, iOS 5.1, Android 4.x, Android 2.3 - // old WebKit doesn't clone checked state correctly in fragments - support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked; - - // Make sure textarea (and checkbox) defaultValue is properly cloned - // Support: IE9-IE11+ - div.innerHTML = "<textarea>x</textarea>"; - support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue; -})(); -var strundefined = typeof undefined; - - - -support.focusinBubbles = "onfocusin" in window; - - -var - rkeyEvent = /^key/, - rmouseEvent = /^(?:mouse|contextmenu)|click/, - rfocusMorph = /^(?:focusinfocus|focusoutblur)$/, - rtypenamespace = /^([^.]*)(?:\.(.+)|)$/; - -function returnTrue() { - return true; -} - -function returnFalse() { - return false; -} - -function safeActiveElement() { - try { - return document.activeElement; - } catch ( err ) { } -} - -/* - * Helper functions for managing events -- not part of the public interface. - * Props to Dean Edwards' addEvent library for many of the ideas. - */ -jQuery.event = { - - global: {}, - - add: function( elem, types, handler, data, selector ) { - - var handleObjIn, eventHandle, tmp, - events, t, handleObj, - special, handlers, type, namespaces, origType, - elemData = data_priv.get( elem ); - - // Don't attach events to noData or text/comment nodes (but allow plain objects) - if ( !elemData ) { - return; - } - - // Caller can pass in an object of custom data in lieu of the handler - if ( handler.handler ) { - handleObjIn = handler; - handler = handleObjIn.handler; - selector = handleObjIn.selector; - } - - // Make sure that the handler has a unique ID, used to find/remove it later - if ( !handler.guid ) { - handler.guid = jQuery.guid++; - } - - // Init the element's event structure and main handler, if this is the first - if ( !(events = elemData.events) ) { - events = elemData.events = {}; - } - if ( !(eventHandle = elemData.handle) ) { - eventHandle = elemData.handle = function( e ) { - // Discard the second event of a jQuery.event.trigger() and - // when an event is called after a page has unloaded - return typeof jQuery !== strundefined && jQuery.event.triggered !== e.type ? - jQuery.event.dispatch.apply( elem, arguments ) : undefined; - }; - } - - // Handle multiple events separated by a space - types = ( types || "" ).match( rnotwhite ) || [ "" ]; - t = types.length; - while ( t-- ) { - tmp = rtypenamespace.exec( types[t] ) || []; - type = origType = tmp[1]; - namespaces = ( tmp[2] || "" ).split( "." ).sort(); - - // There *must* be a type, no attaching namespace-only handlers - if ( !type ) { - continue; - } - - // If event changes its type, use the special event handlers for the changed type - special = jQuery.event.special[ type ] || {}; - - // If selector defined, determine special event api type, otherwise given type - type = ( selector ? special.delegateType : special.bindType ) || type; - - // Update special based on newly reset type - special = jQuery.event.special[ type ] || {}; - - // handleObj is passed to all event handlers - handleObj = jQuery.extend({ - type: type, - origType: origType, - data: data, - handler: handler, - guid: handler.guid, - selector: selector, - needsContext: selector && jQuery.expr.match.needsContext.test( selector ), - namespace: namespaces.join(".") - }, handleObjIn ); - - // Init the event handler queue if we're the first - if ( !(handlers = events[ type ]) ) { - handlers = events[ type ] = []; - handlers.delegateCount = 0; - - // Only use addEventListener if the special events handler returns false - if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) { - if ( elem.addEventListener ) { - elem.addEventListener( type, eventHandle, false ); - } - } - } - - if ( special.add ) { - special.add.call( elem, handleObj ); - - if ( !handleObj.handler.guid ) { - handleObj.handler.guid = handler.guid; - } - } - - // Add to the element's handler list, delegates in front - if ( selector ) { - handlers.splice( handlers.delegateCount++, 0, handleObj ); - } else { - handlers.push( handleObj ); - } - - // Keep track of which events have ever been used, for event optimization - jQuery.event.global[ type ] = true; - } - - }, - - // Detach an event or set of events from an element - remove: function( elem, types, handler, selector, mappedTypes ) { - - var j, origCount, tmp, - events, t, handleObj, - special, handlers, type, namespaces, origType, - elemData = data_priv.hasData( elem ) && data_priv.get( elem ); - - if ( !elemData || !(events = elemData.events) ) { - return; - } - - // Once for each type.namespace in types; type may be omitted - types = ( types || "" ).match( rnotwhite ) || [ "" ]; - t = types.length; - while ( t-- ) { - tmp = rtypenamespace.exec( types[t] ) || []; - type = origType = tmp[1]; - namespaces = ( tmp[2] || "" ).split( "." ).sort(); - - // Unbind all events (on this namespace, if provided) for the element - if ( !type ) { - for ( type in events ) { - jQuery.event.remove( elem, type + types[ t ], handler, selector, true ); - } - continue; - } - - special = jQuery.event.special[ type ] || {}; - type = ( selector ? special.delegateType : special.bindType ) || type; - handlers = events[ type ] || []; - tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ); - - // Remove matching events - origCount = j = handlers.length; - while ( j-- ) { - handleObj = handlers[ j ]; - - if ( ( mappedTypes || origType === handleObj.origType ) && - ( !handler || handler.guid === handleObj.guid ) && - ( !tmp || tmp.test( handleObj.namespace ) ) && - ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) { - handlers.splice( j, 1 ); - - if ( handleObj.selector ) { - handlers.delegateCount--; - } - if ( special.remove ) { - special.remove.call( elem, handleObj ); - } - } - } - - // Remove generic event handler if we removed something and no more handlers exist - // (avoids potential for endless recursion during removal of special event handlers) - if ( origCount && !handlers.length ) { - if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) { - jQuery.removeEvent( elem, type, elemData.handle ); - } - - delete events[ type ]; - } - } - - // Remove the expando if it's no longer used - if ( jQuery.isEmptyObject( events ) ) { - delete elemData.handle; - data_priv.remove( elem, "events" ); - } - }, - - trigger: function( event, data, elem, onlyHandlers ) { - - var i, cur, tmp, bubbleType, ontype, handle, special, - eventPath = [ elem || document ], - type = hasOwn.call( event, "type" ) ? event.type : event, - namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : []; - - cur = tmp = elem = elem || document; - - // Don't do events on text and comment nodes - if ( elem.nodeType === 3 || elem.nodeType === 8 ) { - return; - } - - // focus/blur morphs to focusin/out; ensure we're not firing them right now - if ( rfocusMorph.test( type + jQuery.event.triggered ) ) { - return; - } - - if ( type.indexOf(".") >= 0 ) { - // Namespaced trigger; create a regexp to match event type in handle() - namespaces = type.split("."); - type = namespaces.shift(); - namespaces.sort(); - } - ontype = type.indexOf(":") < 0 && "on" + type; - - // Caller can pass in a jQuery.Event object, Object, or just an event type string - event = event[ jQuery.expando ] ? - event : - new jQuery.Event( type, typeof event === "object" && event ); - - // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true) - event.isTrigger = onlyHandlers ? 2 : 3; - event.namespace = namespaces.join("."); - event.namespace_re = event.namespace ? - new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) : - null; - - // Clean up the event in case it is being reused - event.result = undefined; - if ( !event.target ) { - event.target = elem; - } - - // Clone any incoming data and prepend the event, creating the handler arg list - data = data == null ? - [ event ] : - jQuery.makeArray( data, [ event ] ); - - // Allow special events to draw outside the lines - special = jQuery.event.special[ type ] || {}; - if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) { - return; - } - - // Determine event propagation path in advance, per W3C events spec (#9951) - // Bubble up to document, then to window; watch for a global ownerDocument var (#9724) - if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) { - - bubbleType = special.delegateType || type; - if ( !rfocusMorph.test( bubbleType + type ) ) { - cur = cur.parentNode; - } - for ( ; cur; cur = cur.parentNode ) { - eventPath.push( cur ); - tmp = cur; - } - - // Only add window if we got to document (e.g., not plain obj or detached DOM) - if ( tmp === (elem.ownerDocument || document) ) { - eventPath.push( tmp.defaultView || tmp.parentWindow || window ); - } - } - - // Fire handlers on the event path - i = 0; - while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) { - - event.type = i > 1 ? - bubbleType : - special.bindType || type; - - // jQuery handler - handle = ( data_priv.get( cur, "events" ) || {} )[ event.type ] && data_priv.get( cur, "handle" ); - if ( handle ) { - handle.apply( cur, data ); - } - - // Native handler - handle = ontype && cur[ ontype ]; - if ( handle && handle.apply && jQuery.acceptData( cur ) ) { - event.result = handle.apply( cur, data ); - if ( event.result === false ) { - event.preventDefault(); - } - } - } - event.type = type; - - // If nobody prevented the default action, do it now - if ( !onlyHandlers && !event.isDefaultPrevented() ) { - - if ( (!special._default || special._default.apply( eventPath.pop(), data ) === false) && - jQuery.acceptData( elem ) ) { - - // Call a native DOM method on the target with the same name name as the event. - // Don't do default actions on window, that's where global variables be (#6170) - if ( ontype && jQuery.isFunction( elem[ type ] ) && !jQuery.isWindow( elem ) ) { - - // Don't re-trigger an onFOO event when we call its FOO() method - tmp = elem[ ontype ]; - - if ( tmp ) { - elem[ ontype ] = null; - } - - // Prevent re-triggering of the same event, since we already bubbled it above - jQuery.event.triggered = type; - elem[ type ](); - jQuery.event.triggered = undefined; - - if ( tmp ) { - elem[ ontype ] = tmp; - } - } - } - } - - return event.result; - }, - - dispatch: function( event ) { - - // Make a writable jQuery.Event from the native event object - event = jQuery.event.fix( event ); - - var i, j, ret, matched, handleObj, - handlerQueue = [], - args = slice.call( arguments ), - handlers = ( data_priv.get( this, "events" ) || {} )[ event.type ] || [], - special = jQuery.event.special[ event.type ] || {}; - - // Use the fix-ed jQuery.Event rather than the (read-only) native event - args[0] = event; - event.delegateTarget = this; - - // Call the preDispatch hook for the mapped type, and let it bail if desired - if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) { - return; - } - - // Determine handlers - handlerQueue = jQuery.event.handlers.call( this, event, handlers ); - - // Run delegates first; they may want to stop propagation beneath us - i = 0; - while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) { - event.currentTarget = matched.elem; - - j = 0; - while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) { - - // Triggered event must either 1) have no namespace, or - // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace). - if ( !event.namespace_re || event.namespace_re.test( handleObj.namespace ) ) { - - event.handleObj = handleObj; - event.data = handleObj.data; - - ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler ) - .apply( matched.elem, args ); - - if ( ret !== undefined ) { - if ( (event.result = ret) === false ) { - event.preventDefault(); - event.stopPropagation(); - } - } - } - } - } - - // Call the postDispatch hook for the mapped type - if ( special.postDispatch ) { - special.postDispatch.call( this, event ); - } - - return event.result; - }, - - handlers: function( event, handlers ) { - var i, matches, sel, handleObj, - handlerQueue = [], - delegateCount = handlers.delegateCount, - cur = event.target; - - // Find delegate handlers - // Black-hole SVG <use> instance trees (#13180) - // Avoid non-left-click bubbling in Firefox (#3861) - if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) { - - for ( ; cur !== this; cur = cur.parentNode || this ) { - - // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764) - if ( cur.disabled !== true || event.type !== "click" ) { - matches = []; - for ( i = 0; i < delegateCount; i++ ) { - handleObj = handlers[ i ]; - - // Don't conflict with Object.prototype properties (#13203) - sel = handleObj.selector + " "; - - if ( matches[ sel ] === undefined ) { - matches[ sel ] = handleObj.needsContext ? - jQuery( sel, this ).index( cur ) >= 0 : - jQuery.find( sel, this, null, [ cur ] ).length; - } - if ( matches[ sel ] ) { - matches.push( handleObj ); - } - } - if ( matches.length ) { - handlerQueue.push({ elem: cur, handlers: matches }); - } - } - } - } - - // Add the remaining (directly-bound) handlers - if ( delegateCount < handlers.length ) { - handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) }); - } - - return handlerQueue; - }, - - // Includes some event props shared by KeyEvent and MouseEvent - props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "), - - fixHooks: {}, - - keyHooks: { - props: "char charCode key keyCode".split(" "), - filter: function( event, original ) { - - // Add which for key events - if ( event.which == null ) { - event.which = original.charCode != null ? original.charCode : original.keyCode; - } - - return event; - } - }, - - mouseHooks: { - props: "button buttons clientX clientY offsetX offsetY pageX pageY screenX screenY toElement".split(" "), - filter: function( event, original ) { - var eventDoc, doc, body, - button = original.button; - - // Calculate pageX/Y if missing and clientX/Y available - if ( event.pageX == null && original.clientX != null ) { - eventDoc = event.target.ownerDocument || document; - doc = eventDoc.documentElement; - body = eventDoc.body; - - event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 ); - event.pageY = original.clientY + ( doc && doc.scrollTop || body && body.scrollTop || 0 ) - ( doc && doc.clientTop || body && body.clientTop || 0 ); - } - - // Add which for click: 1 === left; 2 === middle; 3 === right - // Note: button is not normalized, so don't use it - if ( !event.which && button !== undefined ) { - event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) ); - } - - return event; - } - }, - - fix: function( event ) { - if ( event[ jQuery.expando ] ) { - return event; - } - - // Create a writable copy of the event object and normalize some properties - var i, prop, copy, - type = event.type, - originalEvent = event, - fixHook = this.fixHooks[ type ]; - - if ( !fixHook ) { - this.fixHooks[ type ] = fixHook = - rmouseEvent.test( type ) ? this.mouseHooks : - rkeyEvent.test( type ) ? this.keyHooks : - {}; - } - copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props; - - event = new jQuery.Event( originalEvent ); - - i = copy.length; - while ( i-- ) { - prop = copy[ i ]; - event[ prop ] = originalEvent[ prop ]; - } - - // Support: Cordova 2.5 (WebKit) (#13255) - // All events should have a target; Cordova deviceready doesn't - if ( !event.target ) { - event.target = document; - } - - // Support: Safari 6.0+, Chrome < 28 - // Target should not be a text node (#504, #13143) - if ( event.target.nodeType === 3 ) { - event.target = event.target.parentNode; - } - - return fixHook.filter ? fixHook.filter( event, originalEvent ) : event; - }, - - special: { - load: { - // Prevent triggered image.load events from bubbling to window.load - noBubble: true - }, - focus: { - // Fire native event if possible so blur/focus sequence is correct - trigger: function() { - if ( this !== safeActiveElement() && this.focus ) { - this.focus(); - return false; - } - }, - delegateType: "focusin" - }, - blur: { - trigger: function() { - if ( this === safeActiveElement() && this.blur ) { - this.blur(); - return false; - } - }, - delegateType: "focusout" - }, - click: { - // For checkbox, fire native event so checked state will be right - trigger: function() { - if ( this.type === "checkbox" && this.click && jQuery.nodeName( this, "input" ) ) { - this.click(); - return false; - } - }, - - // For cross-browser consistency, don't fire native .click() on links - _default: function( event ) { - return jQuery.nodeName( event.target, "a" ); - } - }, - - beforeunload: { - postDispatch: function( event ) { - - // Support: Firefox 20+ - // Firefox doesn't alert if the returnValue field is not set. - if ( event.result !== undefined ) { - event.originalEvent.returnValue = event.result; - } - } - } - }, - - simulate: function( type, elem, event, bubble ) { - // Piggyback on a donor event to simulate a different one. - // Fake originalEvent to avoid donor's stopPropagation, but if the - // simulated event prevents default then we do the same on the donor. - var e = jQuery.extend( - new jQuery.Event(), - event, - { - type: type, - isSimulated: true, - originalEvent: {} - } - ); - if ( bubble ) { - jQuery.event.trigger( e, null, elem ); - } else { - jQuery.event.dispatch.call( elem, e ); - } - if ( e.isDefaultPrevented() ) { - event.preventDefault(); - } - } -}; - -jQuery.removeEvent = function( elem, type, handle ) { - if ( elem.removeEventListener ) { - elem.removeEventListener( type, handle, false ); - } -}; - -jQuery.Event = function( src, props ) { - // Allow instantiation without the 'new' keyword - if ( !(this instanceof jQuery.Event) ) { - return new jQuery.Event( src, props ); - } - - // Event object - if ( src && src.type ) { - this.originalEvent = src; - this.type = src.type; - - // Events bubbling up the document may have been marked as prevented - // by a handler lower down the tree; reflect the correct value. - this.isDefaultPrevented = src.defaultPrevented || - // Support: Android < 4.0 - src.defaultPrevented === undefined && - src.getPreventDefault && src.getPreventDefault() ? - returnTrue : - returnFalse; - - // Event type - } else { - this.type = src; - } - - // Put explicitly provided properties onto the event object - if ( props ) { - jQuery.extend( this, props ); - } - - // Create a timestamp if incoming event doesn't have one - this.timeStamp = src && src.timeStamp || jQuery.now(); - - // Mark it as fixed - this[ jQuery.expando ] = true; -}; - -// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding -// http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html -jQuery.Event.prototype = { - isDefaultPrevented: returnFalse, - isPropagationStopped: returnFalse, - isImmediatePropagationStopped: returnFalse, - - preventDefault: function() { - var e = this.originalEvent; - - this.isDefaultPrevented = returnTrue; - - if ( e && e.preventDefault ) { - e.preventDefault(); - } - }, - stopPropagation: function() { - var e = this.originalEvent; - - this.isPropagationStopped = returnTrue; - - if ( e && e.stopPropagation ) { - e.stopPropagation(); - } - }, - stopImmediatePropagation: function() { - this.isImmediatePropagationStopped = returnTrue; - this.stopPropagation(); - } -}; - -// Create mouseenter/leave events using mouseover/out and event-time checks -// Support: Chrome 15+ -jQuery.each({ - mouseenter: "mouseover", - mouseleave: "mouseout" -}, function( orig, fix ) { - jQuery.event.special[ orig ] = { - delegateType: fix, - bindType: fix, - - handle: function( event ) { - var ret, - target = this, - related = event.relatedTarget, - handleObj = event.handleObj; - - // For mousenter/leave call the handler if related is outside the target. - // NB: No relatedTarget if the mouse left/entered the browser window - if ( !related || (related !== target && !jQuery.contains( target, related )) ) { - event.type = handleObj.origType; - ret = handleObj.handler.apply( this, arguments ); - event.type = fix; - } - return ret; - } - }; -}); - -// Create "bubbling" focus and blur events -// Support: Firefox, Chrome, Safari -if ( !support.focusinBubbles ) { - jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) { - - // Attach a single capturing handler on the document while someone wants focusin/focusout - var handler = function( event ) { - jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true ); - }; - - jQuery.event.special[ fix ] = { - setup: function() { - var doc = this.ownerDocument || this, - attaches = data_priv.access( doc, fix ); - - if ( !attaches ) { - doc.addEventListener( orig, handler, true ); - } - data_priv.access( doc, fix, ( attaches || 0 ) + 1 ); - }, - teardown: function() { - var doc = this.ownerDocument || this, - attaches = data_priv.access( doc, fix ) - 1; - - if ( !attaches ) { - doc.removeEventListener( orig, handler, true ); - data_priv.remove( doc, fix ); - - } else { - data_priv.access( doc, fix, attaches ); - } - } - }; - }); -} - -jQuery.fn.extend({ - - on: function( types, selector, data, fn, /*INTERNAL*/ one ) { - var origFn, type; - - // Types can be a map of types/handlers - if ( typeof types === "object" ) { - // ( types-Object, selector, data ) - if ( typeof selector !== "string" ) { - // ( types-Object, data ) - data = data || selector; - selector = undefined; - } - for ( type in types ) { - this.on( type, selector, data, types[ type ], one ); - } - return this; - } - - if ( data == null && fn == null ) { - // ( types, fn ) - fn = selector; - data = selector = undefined; - } else if ( fn == null ) { - if ( typeof selector === "string" ) { - // ( types, selector, fn ) - fn = data; - data = undefined; - } else { - // ( types, data, fn ) - fn = data; - data = selector; - selector = undefined; - } - } - if ( fn === false ) { - fn = returnFalse; - } else if ( !fn ) { - return this; - } - - if ( one === 1 ) { - origFn = fn; - fn = function( event ) { - // Can use an empty set, since event contains the info - jQuery().off( event ); - return origFn.apply( this, arguments ); - }; - // Use same guid so caller can remove using origFn - fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ ); - } - return this.each( function() { - jQuery.event.add( this, types, fn, data, selector ); - }); - }, - one: function( types, selector, data, fn ) { - return this.on( types, selector, data, fn, 1 ); - }, - off: function( types, selector, fn ) { - var handleObj, type; - if ( types && types.preventDefault && types.handleObj ) { - // ( event ) dispatched jQuery.Event - handleObj = types.handleObj; - jQuery( types.delegateTarget ).off( - handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType, - handleObj.selector, - handleObj.handler - ); - return this; - } - if ( typeof types === "object" ) { - // ( types-object [, selector] ) - for ( type in types ) { - this.off( type, selector, types[ type ] ); - } - return this; - } - if ( selector === false || typeof selector === "function" ) { - // ( types [, fn] ) - fn = selector; - selector = undefined; - } - if ( fn === false ) { - fn = returnFalse; - } - return this.each(function() { - jQuery.event.remove( this, types, fn, selector ); - }); - }, - - trigger: function( type, data ) { - return this.each(function() { - jQuery.event.trigger( type, data, this ); - }); - }, - triggerHandler: function( type, data ) { - var elem = this[0]; - if ( elem ) { - return jQuery.event.trigger( type, data, elem, true ); - } - } -}); - - -var - rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi, - rtagName = /<([\w:]+)/, - rhtml = /<|&#?\w+;/, - rnoInnerhtml = /<(?:script|style|link)/i, - // checked="checked" or checked - rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i, - rscriptType = /^$|\/(?:java|ecma)script/i, - rscriptTypeMasked = /^true\/(.*)/, - rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g, - - // We have to close these tags to support XHTML (#13200) - wrapMap = { - - // Support: IE 9 - option: [ 1, "<select multiple='multiple'>", "</select>" ], - - thead: [ 1, "<table>", "</table>" ], - col: [ 2, "<table><colgroup>", "</colgroup></table>" ], - tr: [ 2, "<table><tbody>", "</tbody></table>" ], - td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ], - - _default: [ 0, "", "" ] - }; - -// Support: IE 9 -wrapMap.optgroup = wrapMap.option; - -wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead; -wrapMap.th = wrapMap.td; - -// Support: 1.x compatibility -// Manipulating tables requires a tbody -function manipulationTarget( elem, content ) { - return jQuery.nodeName( elem, "table" ) && - jQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ? - - elem.getElementsByTagName("tbody")[0] || - elem.appendChild( elem.ownerDocument.createElement("tbody") ) : - elem; -} - -// Replace/restore the type attribute of script elements for safe DOM manipulation -function disableScript( elem ) { - elem.type = (elem.getAttribute("type") !== null) + "/" + elem.type; - return elem; -} -function restoreScript( elem ) { - var match = rscriptTypeMasked.exec( elem.type ); - - if ( match ) { - elem.type = match[ 1 ]; - } else { - elem.removeAttribute("type"); - } - - return elem; -} - -// Mark scripts as having already been evaluated -function setGlobalEval( elems, refElements ) { - var i = 0, - l = elems.length; - - for ( ; i < l; i++ ) { - data_priv.set( - elems[ i ], "globalEval", !refElements || data_priv.get( refElements[ i ], "globalEval" ) - ); - } -} - -function cloneCopyEvent( src, dest ) { - var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events; - - if ( dest.nodeType !== 1 ) { - return; - } - - // 1. Copy private data: events, handlers, etc. - if ( data_priv.hasData( src ) ) { - pdataOld = data_priv.access( src ); - pdataCur = data_priv.set( dest, pdataOld ); - events = pdataOld.events; - - if ( events ) { - delete pdataCur.handle; - pdataCur.events = {}; - - for ( type in events ) { - for ( i = 0, l = events[ type ].length; i < l; i++ ) { - jQuery.event.add( dest, type, events[ type ][ i ] ); - } - } - } - } - - // 2. Copy user data - if ( data_user.hasData( src ) ) { - udataOld = data_user.access( src ); - udataCur = jQuery.extend( {}, udataOld ); - - data_user.set( dest, udataCur ); - } -} - -function getAll( context, tag ) { - var ret = context.getElementsByTagName ? context.getElementsByTagName( tag || "*" ) : - context.querySelectorAll ? context.querySelectorAll( tag || "*" ) : - []; - - return tag === undefined || tag && jQuery.nodeName( context, tag ) ? - jQuery.merge( [ context ], ret ) : - ret; -} - -// Support: IE >= 9 -function fixInput( src, dest ) { - var nodeName = dest.nodeName.toLowerCase(); - - // Fails to persist the checked state of a cloned checkbox or radio button. - if ( nodeName === "input" && rcheckableType.test( src.type ) ) { - dest.checked = src.checked; - - // Fails to return the selected option to the default selected state when cloning options - } else if ( nodeName === "input" || nodeName === "textarea" ) { - dest.defaultValue = src.defaultValue; - } -} - -jQuery.extend({ - clone: function( elem, dataAndEvents, deepDataAndEvents ) { - var i, l, srcElements, destElements, - clone = elem.cloneNode( true ), - inPage = jQuery.contains( elem.ownerDocument, elem ); - - // Support: IE >= 9 - // Fix Cloning issues - if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) && - !jQuery.isXMLDoc( elem ) ) { - - // We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2 - destElements = getAll( clone ); - srcElements = getAll( elem ); - - for ( i = 0, l = srcElements.length; i < l; i++ ) { - fixInput( srcElements[ i ], destElements[ i ] ); - } - } - - // Copy the events from the original to the clone - if ( dataAndEvents ) { - if ( deepDataAndEvents ) { - srcElements = srcElements || getAll( elem ); - destElements = destElements || getAll( clone ); - - for ( i = 0, l = srcElements.length; i < l; i++ ) { - cloneCopyEvent( srcElements[ i ], destElements[ i ] ); - } - } else { - cloneCopyEvent( elem, clone ); - } - } - - // Preserve script evaluation history - destElements = getAll( clone, "script" ); - if ( destElements.length > 0 ) { - setGlobalEval( destElements, !inPage && getAll( elem, "script" ) ); - } - - // Return the cloned set - return clone; - }, - - buildFragment: function( elems, context, scripts, selection ) { - var elem, tmp, tag, wrap, contains, j, - fragment = context.createDocumentFragment(), - nodes = [], - i = 0, - l = elems.length; - - for ( ; i < l; i++ ) { - elem = elems[ i ]; - - if ( elem || elem === 0 ) { - - // Add nodes directly - if ( jQuery.type( elem ) === "object" ) { - // Support: QtWebKit - // jQuery.merge because push.apply(_, arraylike) throws - jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem ); - - // Convert non-html into a text node - } else if ( !rhtml.test( elem ) ) { - nodes.push( context.createTextNode( elem ) ); - - // Convert html into DOM nodes - } else { - tmp = tmp || fragment.appendChild( context.createElement("div") ); - - // Deserialize a standard representation - tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase(); - wrap = wrapMap[ tag ] || wrapMap._default; - tmp.innerHTML = wrap[ 1 ] + elem.replace( rxhtmlTag, "<$1></$2>" ) + wrap[ 2 ]; - - // Descend through wrappers to the right content - j = wrap[ 0 ]; - while ( j-- ) { - tmp = tmp.lastChild; - } - - // Support: QtWebKit - // jQuery.merge because push.apply(_, arraylike) throws - jQuery.merge( nodes, tmp.childNodes ); - - // Remember the top-level container - tmp = fragment.firstChild; - - // Fixes #12346 - // Support: Webkit, IE - tmp.textContent = ""; - } - } - } - - // Remove wrapper from fragment - fragment.textContent = ""; - - i = 0; - while ( (elem = nodes[ i++ ]) ) { - - // #4087 - If origin and destination elements are the same, and this is - // that element, do not do anything - if ( selection && jQuery.inArray( elem, selection ) !== -1 ) { - continue; - } - - contains = jQuery.contains( elem.ownerDocument, elem ); - - // Append to fragment - tmp = getAll( fragment.appendChild( elem ), "script" ); - - // Preserve script evaluation history - if ( contains ) { - setGlobalEval( tmp ); - } - - // Capture executables - if ( scripts ) { - j = 0; - while ( (elem = tmp[ j++ ]) ) { - if ( rscriptType.test( elem.type || "" ) ) { - scripts.push( elem ); - } - } - } - } - - return fragment; - }, - - cleanData: function( elems ) { - var data, elem, events, type, key, j, - special = jQuery.event.special, - i = 0; - - for ( ; (elem = elems[ i ]) !== undefined; i++ ) { - if ( jQuery.acceptData( elem ) ) { - key = elem[ data_priv.expando ]; - - if ( key && (data = data_priv.cache[ key ]) ) { - events = Object.keys( data.events || {} ); - if ( events.length ) { - for ( j = 0; (type = events[j]) !== undefined; j++ ) { - if ( special[ type ] ) { - jQuery.event.remove( elem, type ); - - // This is a shortcut to avoid jQuery.event.remove's overhead - } else { - jQuery.removeEvent( elem, type, data.handle ); - } - } - } - if ( data_priv.cache[ key ] ) { - // Discard any remaining `private` data - delete data_priv.cache[ key ]; - } - } - } - // Discard any remaining `user` data - delete data_user.cache[ elem[ data_user.expando ] ]; - } - } -}); - -jQuery.fn.extend({ - text: function( value ) { - return access( this, function( value ) { - return value === undefined ? - jQuery.text( this ) : - this.empty().each(function() { - if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { - this.textContent = value; - } - }); - }, null, value, arguments.length ); - }, - - append: function() { - return this.domManip( arguments, function( elem ) { - if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { - var target = manipulationTarget( this, elem ); - target.appendChild( elem ); - } - }); - }, - - prepend: function() { - return this.domManip( arguments, function( elem ) { - if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { - var target = manipulationTarget( this, elem ); - target.insertBefore( elem, target.firstChild ); - } - }); - }, - - before: function() { - return this.domManip( arguments, function( elem ) { - if ( this.parentNode ) { - this.parentNode.insertBefore( elem, this ); - } - }); - }, - - after: function() { - return this.domManip( arguments, function( elem ) { - if ( this.parentNode ) { - this.parentNode.insertBefore( elem, this.nextSibling ); - } - }); - }, - - remove: function( selector, keepData /* Internal Use Only */ ) { - var elem, - elems = selector ? jQuery.filter( selector, this ) : this, - i = 0; - - for ( ; (elem = elems[i]) != null; i++ ) { - if ( !keepData && elem.nodeType === 1 ) { - jQuery.cleanData( getAll( elem ) ); - } - - if ( elem.parentNode ) { - if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) { - setGlobalEval( getAll( elem, "script" ) ); - } - elem.parentNode.removeChild( elem ); - } - } - - return this; - }, - - empty: function() { - var elem, - i = 0; - - for ( ; (elem = this[i]) != null; i++ ) { - if ( elem.nodeType === 1 ) { - - // Prevent memory leaks - jQuery.cleanData( getAll( elem, false ) ); - - // Remove any remaining nodes - elem.textContent = ""; - } - } - - return this; - }, - - clone: function( dataAndEvents, deepDataAndEvents ) { - dataAndEvents = dataAndEvents == null ? false : dataAndEvents; - deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents; - - return this.map(function() { - return jQuery.clone( this, dataAndEvents, deepDataAndEvents ); - }); - }, - - html: function( value ) { - return access( this, function( value ) { - var elem = this[ 0 ] || {}, - i = 0, - l = this.length; - - if ( value === undefined && elem.nodeType === 1 ) { - return elem.innerHTML; - } - - // See if we can take a shortcut and just use innerHTML - if ( typeof value === "string" && !rnoInnerhtml.test( value ) && - !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) { - - value = value.replace( rxhtmlTag, "<$1></$2>" ); - - try { - for ( ; i < l; i++ ) { - elem = this[ i ] || {}; - - // Remove element nodes and prevent memory leaks - if ( elem.nodeType === 1 ) { - jQuery.cleanData( getAll( elem, false ) ); - elem.innerHTML = value; - } - } - - elem = 0; - - // If using innerHTML throws an exception, use the fallback method - } catch( e ) {} - } - - if ( elem ) { - this.empty().append( value ); - } - }, null, value, arguments.length ); - }, - - replaceWith: function() { - var arg = arguments[ 0 ]; - - // Make the changes, replacing each context element with the new content - this.domManip( arguments, function( elem ) { - arg = this.parentNode; - - jQuery.cleanData( getAll( this ) ); - - if ( arg ) { - arg.replaceChild( elem, this ); - } - }); - - // Force removal if there was no new content (e.g., from empty arguments) - return arg && (arg.length || arg.nodeType) ? this : this.remove(); - }, - - detach: function( selector ) { - return this.remove( selector, true ); - }, - - domManip: function( args, callback ) { - - // Flatten any nested arrays - args = concat.apply( [], args ); - - var fragment, first, scripts, hasScripts, node, doc, - i = 0, - l = this.length, - set = this, - iNoClone = l - 1, - value = args[ 0 ], - isFunction = jQuery.isFunction( value ); - - // We can't cloneNode fragments that contain checked, in WebKit - if ( isFunction || - ( l > 1 && typeof value === "string" && - !support.checkClone && rchecked.test( value ) ) ) { - return this.each(function( index ) { - var self = set.eq( index ); - if ( isFunction ) { - args[ 0 ] = value.call( this, index, self.html() ); - } - self.domManip( args, callback ); - }); - } - - if ( l ) { - fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, this ); - first = fragment.firstChild; - - if ( fragment.childNodes.length === 1 ) { - fragment = first; - } - - if ( first ) { - scripts = jQuery.map( getAll( fragment, "script" ), disableScript ); - hasScripts = scripts.length; - - // Use the original fragment for the last item instead of the first because it can end up - // being emptied incorrectly in certain situations (#8070). - for ( ; i < l; i++ ) { - node = fragment; - - if ( i !== iNoClone ) { - node = jQuery.clone( node, true, true ); - - // Keep references to cloned scripts for later restoration - if ( hasScripts ) { - // Support: QtWebKit - // jQuery.merge because push.apply(_, arraylike) throws - jQuery.merge( scripts, getAll( node, "script" ) ); - } - } - - callback.call( this[ i ], node, i ); - } - - if ( hasScripts ) { - doc = scripts[ scripts.length - 1 ].ownerDocument; - - // Reenable scripts - jQuery.map( scripts, restoreScript ); - - // Evaluate executable scripts on first document insertion - for ( i = 0; i < hasScripts; i++ ) { - node = scripts[ i ]; - if ( rscriptType.test( node.type || "" ) && - !data_priv.access( node, "globalEval" ) && jQuery.contains( doc, node ) ) { - - if ( node.src ) { - // Optional AJAX dependency, but won't run scripts if not present - if ( jQuery._evalUrl ) { - jQuery._evalUrl( node.src ); - } - } else { - jQuery.globalEval( node.textContent.replace( rcleanScript, "" ) ); - } - } - } - } - } - } - - return this; - } -}); - -jQuery.each({ - appendTo: "append", - prependTo: "prepend", - insertBefore: "before", - insertAfter: "after", - replaceAll: "replaceWith" -}, function( name, original ) { - jQuery.fn[ name ] = function( selector ) { - var elems, - ret = [], - insert = jQuery( selector ), - last = insert.length - 1, - i = 0; - - for ( ; i <= last; i++ ) { - elems = i === last ? this : this.clone( true ); - jQuery( insert[ i ] )[ original ]( elems ); - - // Support: QtWebKit - // .get() because push.apply(_, arraylike) throws - push.apply( ret, elems.get() ); - } - - return this.pushStack( ret ); - }; -}); - - -var iframe, - elemdisplay = {}; - -/** - * Retrieve the actual display of a element - * @param {String} name nodeName of the element - * @param {Object} doc Document object - */ -// Called only from within defaultDisplay -function actualDisplay( name, doc ) { - var elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ), - - // getDefaultComputedStyle might be reliably used only on attached element - display = window.getDefaultComputedStyle ? - - // Use of this method is a temporary fix (more like optmization) until something better comes along, - // since it was removed from specification and supported only in FF - window.getDefaultComputedStyle( elem[ 0 ] ).display : jQuery.css( elem[ 0 ], "display" ); - - // We don't have any data stored on the element, - // so use "detach" method as fast way to get rid of the element - elem.detach(); - - return display; -} - -/** - * Try to determine the default display value of an element - * @param {String} nodeName - */ -function defaultDisplay( nodeName ) { - var doc = document, - display = elemdisplay[ nodeName ]; - - if ( !display ) { - display = actualDisplay( nodeName, doc ); - - // If the simple way fails, read from inside an iframe - if ( display === "none" || !display ) { - - // Use the already-created iframe if possible - iframe = (iframe || jQuery( "<iframe frameborder='0' width='0' height='0'/>" )).appendTo( doc.documentElement ); - - // Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse - doc = iframe[ 0 ].contentDocument; - - // Support: IE - doc.write(); - doc.close(); - - display = actualDisplay( nodeName, doc ); - iframe.detach(); - } - - // Store the correct default display - elemdisplay[ nodeName ] = display; - } - - return display; -} -var rmargin = (/^margin/); - -var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" ); - -var getStyles = function( elem ) { - return elem.ownerDocument.defaultView.getComputedStyle( elem, null ); - }; - - - -function curCSS( elem, name, computed ) { - var width, minWidth, maxWidth, ret, - style = elem.style; - - computed = computed || getStyles( elem ); - - // Support: IE9 - // getPropertyValue is only needed for .css('filter') in IE9, see #12537 - if ( computed ) { - ret = computed.getPropertyValue( name ) || computed[ name ]; - } - - if ( computed ) { - - if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) { - ret = jQuery.style( elem, name ); - } - - // Support: iOS < 6 - // A tribute to the "awesome hack by Dean Edwards" - // iOS < 6 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels - // this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values - if ( rnumnonpx.test( ret ) && rmargin.test( name ) ) { - - // Remember the original values - width = style.width; - minWidth = style.minWidth; - maxWidth = style.maxWidth; - - // Put in the new values to get a computed value out - style.minWidth = style.maxWidth = style.width = ret; - ret = computed.width; - - // Revert the changed values - style.width = width; - style.minWidth = minWidth; - style.maxWidth = maxWidth; - } - } - - return ret !== undefined ? - // Support: IE - // IE returns zIndex value as an integer. - ret + "" : - ret; -} - - -function addGetHookIf( conditionFn, hookFn ) { - // Define the hook, we'll check on the first run if it's really needed. - return { - get: function() { - if ( conditionFn() ) { - // Hook not needed (or it's not possible to use it due to missing dependency), - // remove it. - // Since there are no other hooks for marginRight, remove the whole object. - delete this.get; - return; - } - - // Hook needed; redefine it so that the support test is not executed again. - - return (this.get = hookFn).apply( this, arguments ); - } - }; -} - - -(function() { - var pixelPositionVal, boxSizingReliableVal, - // Support: Firefox, Android 2.3 (Prefixed box-sizing versions). - divReset = "padding:0;margin:0;border:0;display:block;-webkit-box-sizing:content-box;" + - "-moz-box-sizing:content-box;box-sizing:content-box", - docElem = document.documentElement, - container = document.createElement( "div" ), - div = document.createElement( "div" ); - - div.style.backgroundClip = "content-box"; - div.cloneNode( true ).style.backgroundClip = ""; - support.clearCloneStyle = div.style.backgroundClip === "content-box"; - - container.style.cssText = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px;" + - "margin-top:1px"; - container.appendChild( div ); - - // Executing both pixelPosition & boxSizingReliable tests require only one layout - // so they're executed at the same time to save the second computation. - function computePixelPositionAndBoxSizingReliable() { - // Support: Firefox, Android 2.3 (Prefixed box-sizing versions). - div.style.cssText = "-webkit-box-sizing:border-box;-moz-box-sizing:border-box;" + - "box-sizing:border-box;padding:1px;border:1px;display:block;width:4px;margin-top:1%;" + - "position:absolute;top:1%"; - docElem.appendChild( container ); - - var divStyle = window.getComputedStyle( div, null ); - pixelPositionVal = divStyle.top !== "1%"; - boxSizingReliableVal = divStyle.width === "4px"; - - docElem.removeChild( container ); - } - - // Use window.getComputedStyle because jsdom on node.js will break without it. - if ( window.getComputedStyle ) { - jQuery.extend(support, { - pixelPosition: function() { - // This test is executed only once but we still do memoizing - // since we can use the boxSizingReliable pre-computing. - // No need to check if the test was already performed, though. - computePixelPositionAndBoxSizingReliable(); - return pixelPositionVal; - }, - boxSizingReliable: function() { - if ( boxSizingReliableVal == null ) { - computePixelPositionAndBoxSizingReliable(); - } - return boxSizingReliableVal; - }, - reliableMarginRight: function() { - // Support: Android 2.3 - // Check if div with explicit width and no margin-right incorrectly - // gets computed margin-right based on width of container. (#3333) - // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right - // This support function is only executed once so no memoizing is needed. - var ret, - marginDiv = div.appendChild( document.createElement( "div" ) ); - marginDiv.style.cssText = div.style.cssText = divReset; - marginDiv.style.marginRight = marginDiv.style.width = "0"; - div.style.width = "1px"; - docElem.appendChild( container ); - - ret = !parseFloat( window.getComputedStyle( marginDiv, null ).marginRight ); - - docElem.removeChild( container ); - - // Clean up the div for other support tests. - div.innerHTML = ""; - - return ret; - } - }); - } -})(); - - -// A method for quickly swapping in/out CSS properties to get correct calculations. -jQuery.swap = function( elem, options, callback, args ) { - var ret, name, - old = {}; - - // Remember the old values, and insert the new ones - for ( name in options ) { - old[ name ] = elem.style[ name ]; - elem.style[ name ] = options[ name ]; - } - - ret = callback.apply( elem, args || [] ); - - // Revert the old values - for ( name in options ) { - elem.style[ name ] = old[ name ]; - } - - return ret; -}; - - -var - // swappable if display is none or starts with table except "table", "table-cell", or "table-caption" - // see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display - rdisplayswap = /^(none|table(?!-c[ea]).+)/, - rnumsplit = new RegExp( "^(" + pnum + ")(.*)$", "i" ), - rrelNum = new RegExp( "^([+-])=(" + pnum + ")", "i" ), - - cssShow = { position: "absolute", visibility: "hidden", display: "block" }, - cssNormalTransform = { - letterSpacing: 0, - fontWeight: 400 - }, - - cssPrefixes = [ "Webkit", "O", "Moz", "ms" ]; - -// return a css property mapped to a potentially vendor prefixed property -function vendorPropName( style, name ) { - - // shortcut for names that are not vendor prefixed - if ( name in style ) { - return name; - } - - // check for vendor prefixed names - var capName = name[0].toUpperCase() + name.slice(1), - origName = name, - i = cssPrefixes.length; - - while ( i-- ) { - name = cssPrefixes[ i ] + capName; - if ( name in style ) { - return name; - } - } - - return origName; -} - -function setPositiveNumber( elem, value, subtract ) { - var matches = rnumsplit.exec( value ); - return matches ? - // Guard against undefined "subtract", e.g., when used as in cssHooks - Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) : - value; -} - -function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) { - var i = extra === ( isBorderBox ? "border" : "content" ) ? - // If we already have the right measurement, avoid augmentation - 4 : - // Otherwise initialize for horizontal or vertical properties - name === "width" ? 1 : 0, - - val = 0; - - for ( ; i < 4; i += 2 ) { - // both box models exclude margin, so add it if we want it - if ( extra === "margin" ) { - val += jQuery.css( elem, extra + cssExpand[ i ], true, styles ); - } - - if ( isBorderBox ) { - // border-box includes padding, so remove it if we want content - if ( extra === "content" ) { - val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); - } - - // at this point, extra isn't border nor margin, so remove border - if ( extra !== "margin" ) { - val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); - } - } else { - // at this point, extra isn't content, so add padding - val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); - - // at this point, extra isn't content nor padding, so add border - if ( extra !== "padding" ) { - val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); - } - } - } - - return val; -} - -function getWidthOrHeight( elem, name, extra ) { - - // Start with offset property, which is equivalent to the border-box value - var valueIsBorderBox = true, - val = name === "width" ? elem.offsetWidth : elem.offsetHeight, - styles = getStyles( elem ), - isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box"; - - // some non-html elements return undefined for offsetWidth, so check for null/undefined - // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285 - // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668 - if ( val <= 0 || val == null ) { - // Fall back to computed then uncomputed css if necessary - val = curCSS( elem, name, styles ); - if ( val < 0 || val == null ) { - val = elem.style[ name ]; - } - - // Computed unit is not pixels. Stop here and return. - if ( rnumnonpx.test(val) ) { - return val; - } - - // we need the check for style in case a browser which returns unreliable values - // for getComputedStyle silently falls back to the reliable elem.style - valueIsBorderBox = isBorderBox && - ( support.boxSizingReliable() || val === elem.style[ name ] ); - - // Normalize "", auto, and prepare for extra - val = parseFloat( val ) || 0; - } - - // use the active box-sizing model to add/subtract irrelevant styles - return ( val + - augmentWidthOrHeight( - elem, - name, - extra || ( isBorderBox ? "border" : "content" ), - valueIsBorderBox, - styles - ) - ) + "px"; -} - -function showHide( elements, show ) { - var display, elem, hidden, - values = [], - index = 0, - length = elements.length; - - for ( ; index < length; index++ ) { - elem = elements[ index ]; - if ( !elem.style ) { - continue; - } - - values[ index ] = data_priv.get( elem, "olddisplay" ); - display = elem.style.display; - if ( show ) { - // Reset the inline display of this element to learn if it is - // being hidden by cascaded rules or not - if ( !values[ index ] && display === "none" ) { - elem.style.display = ""; - } - - // Set elements which have been overridden with display: none - // in a stylesheet to whatever the default browser style is - // for such an element - if ( elem.style.display === "" && isHidden( elem ) ) { - values[ index ] = data_priv.access( elem, "olddisplay", defaultDisplay(elem.nodeName) ); - } - } else { - - if ( !values[ index ] ) { - hidden = isHidden( elem ); - - if ( display && display !== "none" || !hidden ) { - data_priv.set( elem, "olddisplay", hidden ? display : jQuery.css(elem, "display") ); - } - } - } - } - - // Set the display of most of the elements in a second loop - // to avoid the constant reflow - for ( index = 0; index < length; index++ ) { - elem = elements[ index ]; - if ( !elem.style ) { - continue; - } - if ( !show || elem.style.display === "none" || elem.style.display === "" ) { - elem.style.display = show ? values[ index ] || "" : "none"; - } - } - - return elements; -} - -jQuery.extend({ - // Add in style property hooks for overriding the default - // behavior of getting and setting a style property - cssHooks: { - opacity: { - get: function( elem, computed ) { - if ( computed ) { - // We should always get a number back from opacity - var ret = curCSS( elem, "opacity" ); - return ret === "" ? "1" : ret; - } - } - } - }, - - // Don't automatically add "px" to these possibly-unitless properties - cssNumber: { - "columnCount": true, - "fillOpacity": true, - "fontWeight": true, - "lineHeight": true, - "opacity": true, - "order": true, - "orphans": true, - "widows": true, - "zIndex": true, - "zoom": true - }, - - // Add in properties whose names you wish to fix before - // setting or getting the value - cssProps: { - // normalize float css property - "float": "cssFloat" - }, - - // Get and set the style property on a DOM Node - style: function( elem, name, value, extra ) { - // Don't set styles on text and comment nodes - if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) { - return; - } - - // Make sure that we're working with the right name - var ret, type, hooks, - origName = jQuery.camelCase( name ), - style = elem.style; - - name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( style, origName ) ); - - // gets hook for the prefixed version - // followed by the unprefixed version - hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ]; - - // Check if we're setting a value - if ( value !== undefined ) { - type = typeof value; - - // convert relative number strings (+= or -=) to relative numbers. #7345 - if ( type === "string" && (ret = rrelNum.exec( value )) ) { - value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) ); - // Fixes bug #9237 - type = "number"; - } - - // Make sure that null and NaN values aren't set. See: #7116 - if ( value == null || value !== value ) { - return; - } - - // If a number was passed in, add 'px' to the (except for certain CSS properties) - if ( type === "number" && !jQuery.cssNumber[ origName ] ) { - value += "px"; - } - - // Fixes #8908, it can be done more correctly by specifying setters in cssHooks, - // but it would mean to define eight (for every problematic property) identical functions - if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) { - style[ name ] = "inherit"; - } - - // If a hook was provided, use that value, otherwise just set the specified value - if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) { - // Support: Chrome, Safari - // Setting style to blank string required to delete "style: x !important;" - style[ name ] = ""; - style[ name ] = value; - } - - } else { - // If a hook was provided get the non-computed value from there - if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) { - return ret; - } - - // Otherwise just get the value from the style object - return style[ name ]; - } - }, - - css: function( elem, name, extra, styles ) { - var val, num, hooks, - origName = jQuery.camelCase( name ); - - // Make sure that we're working with the right name - name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( elem.style, origName ) ); - - // gets hook for the prefixed version - // followed by the unprefixed version - hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ]; - - // If a hook was provided get the computed value from there - if ( hooks && "get" in hooks ) { - val = hooks.get( elem, true, extra ); - } - - // Otherwise, if a way to get the computed value exists, use that - if ( val === undefined ) { - val = curCSS( elem, name, styles ); - } - - //convert "normal" to computed value - if ( val === "normal" && name in cssNormalTransform ) { - val = cssNormalTransform[ name ]; - } - - // Return, converting to number if forced or a qualifier was provided and val looks numeric - if ( extra === "" || extra ) { - num = parseFloat( val ); - return extra === true || jQuery.isNumeric( num ) ? num || 0 : val; - } - return val; - } -}); - -jQuery.each([ "height", "width" ], function( i, name ) { - jQuery.cssHooks[ name ] = { - get: function( elem, computed, extra ) { - if ( computed ) { - // certain elements can have dimension info if we invisibly show them - // however, it must have a current display style that would benefit from this - return elem.offsetWidth === 0 && rdisplayswap.test( jQuery.css( elem, "display" ) ) ? - jQuery.swap( elem, cssShow, function() { - return getWidthOrHeight( elem, name, extra ); - }) : - getWidthOrHeight( elem, name, extra ); - } - }, - - set: function( elem, value, extra ) { - var styles = extra && getStyles( elem ); - return setPositiveNumber( elem, value, extra ? - augmentWidthOrHeight( - elem, - name, - extra, - jQuery.css( elem, "boxSizing", false, styles ) === "border-box", - styles - ) : 0 - ); - } - }; -}); - -// Support: Android 2.3 -jQuery.cssHooks.marginRight = addGetHookIf( support.reliableMarginRight, - function( elem, computed ) { - if ( computed ) { - // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right - // Work around by temporarily setting element display to inline-block - return jQuery.swap( elem, { "display": "inline-block" }, - curCSS, [ elem, "marginRight" ] ); - } - } -); - -// These hooks are used by animate to expand properties -jQuery.each({ - margin: "", - padding: "", - border: "Width" -}, function( prefix, suffix ) { - jQuery.cssHooks[ prefix + suffix ] = { - expand: function( value ) { - var i = 0, - expanded = {}, - - // assumes a single number if not a string - parts = typeof value === "string" ? value.split(" ") : [ value ]; - - for ( ; i < 4; i++ ) { - expanded[ prefix + cssExpand[ i ] + suffix ] = - parts[ i ] || parts[ i - 2 ] || parts[ 0 ]; - } - - return expanded; - } - }; - - if ( !rmargin.test( prefix ) ) { - jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber; - } -}); - -jQuery.fn.extend({ - css: function( name, value ) { - return access( this, function( elem, name, value ) { - var styles, len, - map = {}, - i = 0; - - if ( jQuery.isArray( name ) ) { - styles = getStyles( elem ); - len = name.length; - - for ( ; i < len; i++ ) { - map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles ); - } - - return map; - } - - return value !== undefined ? - jQuery.style( elem, name, value ) : - jQuery.css( elem, name ); - }, name, value, arguments.length > 1 ); - }, - show: function() { - return showHide( this, true ); - }, - hide: function() { - return showHide( this ); - }, - toggle: function( state ) { - if ( typeof state === "boolean" ) { - return state ? this.show() : this.hide(); - } - - return this.each(function() { - if ( isHidden( this ) ) { - jQuery( this ).show(); - } else { - jQuery( this ).hide(); - } - }); - } -}); - - -function Tween( elem, options, prop, end, easing ) { - return new Tween.prototype.init( elem, options, prop, end, easing ); -} -jQuery.Tween = Tween; - -Tween.prototype = { - constructor: Tween, - init: function( elem, options, prop, end, easing, unit ) { - this.elem = elem; - this.prop = prop; - this.easing = easing || "swing"; - this.options = options; - this.start = this.now = this.cur(); - this.end = end; - this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" ); - }, - cur: function() { - var hooks = Tween.propHooks[ this.prop ]; - - return hooks && hooks.get ? - hooks.get( this ) : - Tween.propHooks._default.get( this ); - }, - run: function( percent ) { - var eased, - hooks = Tween.propHooks[ this.prop ]; - - if ( this.options.duration ) { - this.pos = eased = jQuery.easing[ this.easing ]( - percent, this.options.duration * percent, 0, 1, this.options.duration - ); - } else { - this.pos = eased = percent; - } - this.now = ( this.end - this.start ) * eased + this.start; - - if ( this.options.step ) { - this.options.step.call( this.elem, this.now, this ); - } - - if ( hooks && hooks.set ) { - hooks.set( this ); - } else { - Tween.propHooks._default.set( this ); - } - return this; - } -}; - -Tween.prototype.init.prototype = Tween.prototype; - -Tween.propHooks = { - _default: { - get: function( tween ) { - var result; - - if ( tween.elem[ tween.prop ] != null && - (!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) { - return tween.elem[ tween.prop ]; - } - - // passing an empty string as a 3rd parameter to .css will automatically - // attempt a parseFloat and fallback to a string if the parse fails - // so, simple values such as "10px" are parsed to Float. - // complex values such as "rotate(1rad)" are returned as is. - result = jQuery.css( tween.elem, tween.prop, "" ); - // Empty strings, null, undefined and "auto" are converted to 0. - return !result || result === "auto" ? 0 : result; - }, - set: function( tween ) { - // use step hook for back compat - use cssHook if its there - use .style if its - // available and use plain properties where available - if ( jQuery.fx.step[ tween.prop ] ) { - jQuery.fx.step[ tween.prop ]( tween ); - } else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) { - jQuery.style( tween.elem, tween.prop, tween.now + tween.unit ); - } else { - tween.elem[ tween.prop ] = tween.now; - } - } - } -}; - -// Support: IE9 -// Panic based approach to setting things on disconnected nodes - -Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = { - set: function( tween ) { - if ( tween.elem.nodeType && tween.elem.parentNode ) { - tween.elem[ tween.prop ] = tween.now; - } - } -}; - -jQuery.easing = { - linear: function( p ) { - return p; - }, - swing: function( p ) { - return 0.5 - Math.cos( p * Math.PI ) / 2; - } -}; - -jQuery.fx = Tween.prototype.init; - -// Back Compat <1.8 extension point -jQuery.fx.step = {}; - - - - -var - fxNow, timerId, - rfxtypes = /^(?:toggle|show|hide)$/, - rfxnum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" ), - rrun = /queueHooks$/, - animationPrefilters = [ defaultPrefilter ], - tweeners = { - "*": [ function( prop, value ) { - var tween = this.createTween( prop, value ), - target = tween.cur(), - parts = rfxnum.exec( value ), - unit = parts && parts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ), - - // Starting value computation is required for potential unit mismatches - start = ( jQuery.cssNumber[ prop ] || unit !== "px" && +target ) && - rfxnum.exec( jQuery.css( tween.elem, prop ) ), - scale = 1, - maxIterations = 20; - - if ( start && start[ 3 ] !== unit ) { - // Trust units reported by jQuery.css - unit = unit || start[ 3 ]; - - // Make sure we update the tween properties later on - parts = parts || []; - - // Iteratively approximate from a nonzero starting point - start = +target || 1; - - do { - // If previous iteration zeroed out, double until we get *something* - // Use a string for doubling factor so we don't accidentally see scale as unchanged below - scale = scale || ".5"; - - // Adjust and apply - start = start / scale; - jQuery.style( tween.elem, prop, start + unit ); - - // Update scale, tolerating zero or NaN from tween.cur() - // And breaking the loop if scale is unchanged or perfect, or if we've just had enough - } while ( scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations ); - } - - // Update tween properties - if ( parts ) { - start = tween.start = +start || +target || 0; - tween.unit = unit; - // If a +=/-= token was provided, we're doing a relative animation - tween.end = parts[ 1 ] ? - start + ( parts[ 1 ] + 1 ) * parts[ 2 ] : - +parts[ 2 ]; - } - - return tween; - } ] - }; - -// Animations created synchronously will run synchronously -function createFxNow() { - setTimeout(function() { - fxNow = undefined; - }); - return ( fxNow = jQuery.now() ); -} - -// Generate parameters to create a standard animation -function genFx( type, includeWidth ) { - var which, - i = 0, - attrs = { height: type }; - - // if we include width, step value is 1 to do all cssExpand values, - // if we don't include width, step value is 2 to skip over Left and Right - includeWidth = includeWidth ? 1 : 0; - for ( ; i < 4 ; i += 2 - includeWidth ) { - which = cssExpand[ i ]; - attrs[ "margin" + which ] = attrs[ "padding" + which ] = type; - } - - if ( includeWidth ) { - attrs.opacity = attrs.width = type; - } - - return attrs; -} - -function createTween( value, prop, animation ) { - var tween, - collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ), - index = 0, - length = collection.length; - for ( ; index < length; index++ ) { - if ( (tween = collection[ index ].call( animation, prop, value )) ) { - - // we're done with this property - return tween; - } - } -} - -function defaultPrefilter( elem, props, opts ) { - /* jshint validthis: true */ - var prop, value, toggle, tween, hooks, oldfire, display, - anim = this, - orig = {}, - style = elem.style, - hidden = elem.nodeType && isHidden( elem ), - dataShow = data_priv.get( elem, "fxshow" ); - - // handle queue: false promises - if ( !opts.queue ) { - hooks = jQuery._queueHooks( elem, "fx" ); - if ( hooks.unqueued == null ) { - hooks.unqueued = 0; - oldfire = hooks.empty.fire; - hooks.empty.fire = function() { - if ( !hooks.unqueued ) { - oldfire(); - } - }; - } - hooks.unqueued++; - - anim.always(function() { - // doing this makes sure that the complete handler will be called - // before this completes - anim.always(function() { - hooks.unqueued--; - if ( !jQuery.queue( elem, "fx" ).length ) { - hooks.empty.fire(); - } - }); - }); - } - - // height/width overflow pass - if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) { - // Make sure that nothing sneaks out - // Record all 3 overflow attributes because IE9-10 do not - // change the overflow attribute when overflowX and - // overflowY are set to the same value - opts.overflow = [ style.overflow, style.overflowX, style.overflowY ]; - - // Set display property to inline-block for height/width - // animations on inline elements that are having width/height animated - display = jQuery.css( elem, "display" ); - // Get default display if display is currently "none" - if ( display === "none" ) { - display = defaultDisplay( elem.nodeName ); - } - if ( display === "inline" && - jQuery.css( elem, "float" ) === "none" ) { - - style.display = "inline-block"; - } - } - - if ( opts.overflow ) { - style.overflow = "hidden"; - anim.always(function() { - style.overflow = opts.overflow[ 0 ]; - style.overflowX = opts.overflow[ 1 ]; - style.overflowY = opts.overflow[ 2 ]; - }); - } - - // show/hide pass - for ( prop in props ) { - value = props[ prop ]; - if ( rfxtypes.exec( value ) ) { - delete props[ prop ]; - toggle = toggle || value === "toggle"; - if ( value === ( hidden ? "hide" : "show" ) ) { - - // If there is dataShow left over from a stopped hide or show and we are going to proceed with show, we should pretend to be hidden - if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) { - hidden = true; - } else { - continue; - } - } - orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop ); - } - } - - if ( !jQuery.isEmptyObject( orig ) ) { - if ( dataShow ) { - if ( "hidden" in dataShow ) { - hidden = dataShow.hidden; - } - } else { - dataShow = data_priv.access( elem, "fxshow", {} ); - } - - // store state if its toggle - enables .stop().toggle() to "reverse" - if ( toggle ) { - dataShow.hidden = !hidden; - } - if ( hidden ) { - jQuery( elem ).show(); - } else { - anim.done(function() { - jQuery( elem ).hide(); - }); - } - anim.done(function() { - var prop; - - data_priv.remove( elem, "fxshow" ); - for ( prop in orig ) { - jQuery.style( elem, prop, orig[ prop ] ); - } - }); - for ( prop in orig ) { - tween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim ); - - if ( !( prop in dataShow ) ) { - dataShow[ prop ] = tween.start; - if ( hidden ) { - tween.end = tween.start; - tween.start = prop === "width" || prop === "height" ? 1 : 0; - } - } - } - } -} - -function propFilter( props, specialEasing ) { - var index, name, easing, value, hooks; - - // camelCase, specialEasing and expand cssHook pass - for ( index in props ) { - name = jQuery.camelCase( index ); - easing = specialEasing[ name ]; - value = props[ index ]; - if ( jQuery.isArray( value ) ) { - easing = value[ 1 ]; - value = props[ index ] = value[ 0 ]; - } - - if ( index !== name ) { - props[ name ] = value; - delete props[ index ]; - } - - hooks = jQuery.cssHooks[ name ]; - if ( hooks && "expand" in hooks ) { - value = hooks.expand( value ); - delete props[ name ]; - - // not quite $.extend, this wont overwrite keys already present. - // also - reusing 'index' from above because we have the correct "name" - for ( index in value ) { - if ( !( index in props ) ) { - props[ index ] = value[ index ]; - specialEasing[ index ] = easing; - } - } - } else { - specialEasing[ name ] = easing; - } - } -} - -function Animation( elem, properties, options ) { - var result, - stopped, - index = 0, - length = animationPrefilters.length, - deferred = jQuery.Deferred().always( function() { - // don't match elem in the :animated selector - delete tick.elem; - }), - tick = function() { - if ( stopped ) { - return false; - } - var currentTime = fxNow || createFxNow(), - remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ), - // archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497) - temp = remaining / animation.duration || 0, - percent = 1 - temp, - index = 0, - length = animation.tweens.length; - - for ( ; index < length ; index++ ) { - animation.tweens[ index ].run( percent ); - } - - deferred.notifyWith( elem, [ animation, percent, remaining ]); - - if ( percent < 1 && length ) { - return remaining; - } else { - deferred.resolveWith( elem, [ animation ] ); - return false; - } - }, - animation = deferred.promise({ - elem: elem, - props: jQuery.extend( {}, properties ), - opts: jQuery.extend( true, { specialEasing: {} }, options ), - originalProperties: properties, - originalOptions: options, - startTime: fxNow || createFxNow(), - duration: options.duration, - tweens: [], - createTween: function( prop, end ) { - var tween = jQuery.Tween( elem, animation.opts, prop, end, - animation.opts.specialEasing[ prop ] || animation.opts.easing ); - animation.tweens.push( tween ); - return tween; - }, - stop: function( gotoEnd ) { - var index = 0, - // if we are going to the end, we want to run all the tweens - // otherwise we skip this part - length = gotoEnd ? animation.tweens.length : 0; - if ( stopped ) { - return this; - } - stopped = true; - for ( ; index < length ; index++ ) { - animation.tweens[ index ].run( 1 ); - } - - // resolve when we played the last frame - // otherwise, reject - if ( gotoEnd ) { - deferred.resolveWith( elem, [ animation, gotoEnd ] ); - } else { - deferred.rejectWith( elem, [ animation, gotoEnd ] ); - } - return this; - } - }), - props = animation.props; - - propFilter( props, animation.opts.specialEasing ); - - for ( ; index < length ; index++ ) { - result = animationPrefilters[ index ].call( animation, elem, props, animation.opts ); - if ( result ) { - return result; - } - } - - jQuery.map( props, createTween, animation ); - - if ( jQuery.isFunction( animation.opts.start ) ) { - animation.opts.start.call( elem, animation ); - } - - jQuery.fx.timer( - jQuery.extend( tick, { - elem: elem, - anim: animation, - queue: animation.opts.queue - }) - ); - - // attach callbacks from options - return animation.progress( animation.opts.progress ) - .done( animation.opts.done, animation.opts.complete ) - .fail( animation.opts.fail ) - .always( animation.opts.always ); -} - -jQuery.Animation = jQuery.extend( Animation, { - - tweener: function( props, callback ) { - if ( jQuery.isFunction( props ) ) { - callback = props; - props = [ "*" ]; - } else { - props = props.split(" "); - } - - var prop, - index = 0, - length = props.length; - - for ( ; index < length ; index++ ) { - prop = props[ index ]; - tweeners[ prop ] = tweeners[ prop ] || []; - tweeners[ prop ].unshift( callback ); - } - }, - - prefilter: function( callback, prepend ) { - if ( prepend ) { - animationPrefilters.unshift( callback ); - } else { - animationPrefilters.push( callback ); - } - } -}); - -jQuery.speed = function( speed, easing, fn ) { - var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : { - complete: fn || !fn && easing || - jQuery.isFunction( speed ) && speed, - duration: speed, - easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing - }; - - opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration : - opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default; - - // normalize opt.queue - true/undefined/null -> "fx" - if ( opt.queue == null || opt.queue === true ) { - opt.queue = "fx"; - } - - // Queueing - opt.old = opt.complete; - - opt.complete = function() { - if ( jQuery.isFunction( opt.old ) ) { - opt.old.call( this ); - } - - if ( opt.queue ) { - jQuery.dequeue( this, opt.queue ); - } - }; - - return opt; -}; - -jQuery.fn.extend({ - fadeTo: function( speed, to, easing, callback ) { - - // show any hidden elements after setting opacity to 0 - return this.filter( isHidden ).css( "opacity", 0 ).show() - - // animate to the value specified - .end().animate({ opacity: to }, speed, easing, callback ); - }, - animate: function( prop, speed, easing, callback ) { - var empty = jQuery.isEmptyObject( prop ), - optall = jQuery.speed( speed, easing, callback ), - doAnimation = function() { - // Operate on a copy of prop so per-property easing won't be lost - var anim = Animation( this, jQuery.extend( {}, prop ), optall ); - - // Empty animations, or finishing resolves immediately - if ( empty || data_priv.get( this, "finish" ) ) { - anim.stop( true ); - } - }; - doAnimation.finish = doAnimation; - - return empty || optall.queue === false ? - this.each( doAnimation ) : - this.queue( optall.queue, doAnimation ); - }, - stop: function( type, clearQueue, gotoEnd ) { - var stopQueue = function( hooks ) { - var stop = hooks.stop; - delete hooks.stop; - stop( gotoEnd ); - }; - - if ( typeof type !== "string" ) { - gotoEnd = clearQueue; - clearQueue = type; - type = undefined; - } - if ( clearQueue && type !== false ) { - this.queue( type || "fx", [] ); - } - - return this.each(function() { - var dequeue = true, - index = type != null && type + "queueHooks", - timers = jQuery.timers, - data = data_priv.get( this ); - - if ( index ) { - if ( data[ index ] && data[ index ].stop ) { - stopQueue( data[ index ] ); - } - } else { - for ( index in data ) { - if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) { - stopQueue( data[ index ] ); - } - } - } - - for ( index = timers.length; index--; ) { - if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) { - timers[ index ].anim.stop( gotoEnd ); - dequeue = false; - timers.splice( index, 1 ); - } - } - - // start the next in the queue if the last step wasn't forced - // timers currently will call their complete callbacks, which will dequeue - // but only if they were gotoEnd - if ( dequeue || !gotoEnd ) { - jQuery.dequeue( this, type ); - } - }); - }, - finish: function( type ) { - if ( type !== false ) { - type = type || "fx"; - } - return this.each(function() { - var index, - data = data_priv.get( this ), - queue = data[ type + "queue" ], - hooks = data[ type + "queueHooks" ], - timers = jQuery.timers, - length = queue ? queue.length : 0; - - // enable finishing flag on private data - data.finish = true; - - // empty the queue first - jQuery.queue( this, type, [] ); - - if ( hooks && hooks.stop ) { - hooks.stop.call( this, true ); - } - - // look for any active animations, and finish them - for ( index = timers.length; index--; ) { - if ( timers[ index ].elem === this && timers[ index ].queue === type ) { - timers[ index ].anim.stop( true ); - timers.splice( index, 1 ); - } - } - - // look for any animations in the old queue and finish them - for ( index = 0; index < length; index++ ) { - if ( queue[ index ] && queue[ index ].finish ) { - queue[ index ].finish.call( this ); - } - } - - // turn off finishing flag - delete data.finish; - }); - } -}); - -jQuery.each([ "toggle", "show", "hide" ], function( i, name ) { - var cssFn = jQuery.fn[ name ]; - jQuery.fn[ name ] = function( speed, easing, callback ) { - return speed == null || typeof speed === "boolean" ? - cssFn.apply( this, arguments ) : - this.animate( genFx( name, true ), speed, easing, callback ); - }; -}); - -// Generate shortcuts for custom animations -jQuery.each({ - slideDown: genFx("show"), - slideUp: genFx("hide"), - slideToggle: genFx("toggle"), - fadeIn: { opacity: "show" }, - fadeOut: { opacity: "hide" }, - fadeToggle: { opacity: "toggle" } -}, function( name, props ) { - jQuery.fn[ name ] = function( speed, easing, callback ) { - return this.animate( props, speed, easing, callback ); - }; -}); - -jQuery.timers = []; -jQuery.fx.tick = function() { - var timer, - i = 0, - timers = jQuery.timers; - - fxNow = jQuery.now(); - - for ( ; i < timers.length; i++ ) { - timer = timers[ i ]; - // Checks the timer has not already been removed - if ( !timer() && timers[ i ] === timer ) { - timers.splice( i--, 1 ); - } - } - - if ( !timers.length ) { - jQuery.fx.stop(); - } - fxNow = undefined; -}; - -jQuery.fx.timer = function( timer ) { - jQuery.timers.push( timer ); - if ( timer() ) { - jQuery.fx.start(); - } else { - jQuery.timers.pop(); - } -}; - -jQuery.fx.interval = 13; - -jQuery.fx.start = function() { - if ( !timerId ) { - timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval ); - } -}; - -jQuery.fx.stop = function() { - clearInterval( timerId ); - timerId = null; -}; - -jQuery.fx.speeds = { - slow: 600, - fast: 200, - // Default speed - _default: 400 -}; - - -// Based off of the plugin by Clint Helfers, with permission. -// http://blindsignals.com/index.php/2009/07/jquery-delay/ -jQuery.fn.delay = function( time, type ) { - time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time; - type = type || "fx"; - - return this.queue( type, function( next, hooks ) { - var timeout = setTimeout( next, time ); - hooks.stop = function() { - clearTimeout( timeout ); - }; - }); -}; - - -(function() { - var input = document.createElement( "input" ), - select = document.createElement( "select" ), - opt = select.appendChild( document.createElement( "option" ) ); - - input.type = "checkbox"; - - // Support: iOS 5.1, Android 4.x, Android 2.3 - // Check the default checkbox/radio value ("" on old WebKit; "on" elsewhere) - support.checkOn = input.value !== ""; - - // Must access the parent to make an option select properly - // Support: IE9, IE10 - support.optSelected = opt.selected; - - // Make sure that the options inside disabled selects aren't marked as disabled - // (WebKit marks them as disabled) - select.disabled = true; - support.optDisabled = !opt.disabled; - - // Check if an input maintains its value after becoming a radio - // Support: IE9, IE10 - input = document.createElement( "input" ); - input.value = "t"; - input.type = "radio"; - support.radioValue = input.value === "t"; -})(); - - -var nodeHook, boolHook, - attrHandle = jQuery.expr.attrHandle; - -jQuery.fn.extend({ - attr: function( name, value ) { - return access( this, jQuery.attr, name, value, arguments.length > 1 ); - }, - - removeAttr: function( name ) { - return this.each(function() { - jQuery.removeAttr( this, name ); - }); - } -}); - -jQuery.extend({ - attr: function( elem, name, value ) { - var hooks, ret, - nType = elem.nodeType; - - // don't get/set attributes on text, comment and attribute nodes - if ( !elem || nType === 3 || nType === 8 || nType === 2 ) { - return; - } - - // Fallback to prop when attributes are not supported - if ( typeof elem.getAttribute === strundefined ) { - return jQuery.prop( elem, name, value ); - } - - // All attributes are lowercase - // Grab necessary hook if one is defined - if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { - name = name.toLowerCase(); - hooks = jQuery.attrHooks[ name ] || - ( jQuery.expr.match.bool.test( name ) ? boolHook : nodeHook ); - } - - if ( value !== undefined ) { - - if ( value === null ) { - jQuery.removeAttr( elem, name ); - - } else if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) { - return ret; - - } else { - elem.setAttribute( name, value + "" ); - return value; - } - - } else if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) { - return ret; - - } else { - ret = jQuery.find.attr( elem, name ); - - // Non-existent attributes return null, we normalize to undefined - return ret == null ? - undefined : - ret; - } - }, - - removeAttr: function( elem, value ) { - var name, propName, - i = 0, - attrNames = value && value.match( rnotwhite ); - - if ( attrNames && elem.nodeType === 1 ) { - while ( (name = attrNames[i++]) ) { - propName = jQuery.propFix[ name ] || name; - - // Boolean attributes get special treatment (#10870) - if ( jQuery.expr.match.bool.test( name ) ) { - // Set corresponding property to false - elem[ propName ] = false; - } - - elem.removeAttribute( name ); - } - } - }, - - attrHooks: { - type: { - set: function( elem, value ) { - if ( !support.radioValue && value === "radio" && - jQuery.nodeName( elem, "input" ) ) { - // Setting the type on a radio button after the value resets the value in IE6-9 - // Reset value to default in case type is set after value during creation - var val = elem.value; - elem.setAttribute( "type", value ); - if ( val ) { - elem.value = val; - } - return value; - } - } - } - } -}); - -// Hooks for boolean attributes -boolHook = { - set: function( elem, value, name ) { - if ( value === false ) { - // Remove boolean attributes when set to false - jQuery.removeAttr( elem, name ); - } else { - elem.setAttribute( name, name ); - } - return name; - } -}; -jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) { - var getter = attrHandle[ name ] || jQuery.find.attr; - - attrHandle[ name ] = function( elem, name, isXML ) { - var ret, handle; - if ( !isXML ) { - // Avoid an infinite loop by temporarily removing this function from the getter - handle = attrHandle[ name ]; - attrHandle[ name ] = ret; - ret = getter( elem, name, isXML ) != null ? - name.toLowerCase() : - null; - attrHandle[ name ] = handle; - } - return ret; - }; -}); - - - - -var rfocusable = /^(?:input|select|textarea|button)$/i; - -jQuery.fn.extend({ - prop: function( name, value ) { - return access( this, jQuery.prop, name, value, arguments.length > 1 ); - }, - - removeProp: function( name ) { - return this.each(function() { - delete this[ jQuery.propFix[ name ] || name ]; - }); - } -}); - -jQuery.extend({ - propFix: { - "for": "htmlFor", - "class": "className" - }, - - prop: function( elem, name, value ) { - var ret, hooks, notxml, - nType = elem.nodeType; - - // don't get/set properties on text, comment and attribute nodes - if ( !elem || nType === 3 || nType === 8 || nType === 2 ) { - return; - } - - notxml = nType !== 1 || !jQuery.isXMLDoc( elem ); - - if ( notxml ) { - // Fix name and attach hooks - name = jQuery.propFix[ name ] || name; - hooks = jQuery.propHooks[ name ]; - } - - if ( value !== undefined ) { - return hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ? - ret : - ( elem[ name ] = value ); - - } else { - return hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ? - ret : - elem[ name ]; - } - }, - - propHooks: { - tabIndex: { - get: function( elem ) { - return elem.hasAttribute( "tabindex" ) || rfocusable.test( elem.nodeName ) || elem.href ? - elem.tabIndex : - -1; - } - } - } -}); - -// Support: IE9+ -// Selectedness for an option in an optgroup can be inaccurate -if ( !support.optSelected ) { - jQuery.propHooks.selected = { - get: function( elem ) { - var parent = elem.parentNode; - if ( parent && parent.parentNode ) { - parent.parentNode.selectedIndex; - } - return null; - } - }; -} - -jQuery.each([ - "tabIndex", - "readOnly", - "maxLength", - "cellSpacing", - "cellPadding", - "rowSpan", - "colSpan", - "useMap", - "frameBorder", - "contentEditable" -], function() { - jQuery.propFix[ this.toLowerCase() ] = this; -}); - - - - -var rclass = /[\t\r\n\f]/g; - -jQuery.fn.extend({ - addClass: function( value ) { - var classes, elem, cur, clazz, j, finalValue, - proceed = typeof value === "string" && value, - i = 0, - len = this.length; - - if ( jQuery.isFunction( value ) ) { - return this.each(function( j ) { - jQuery( this ).addClass( value.call( this, j, this.className ) ); - }); - } - - if ( proceed ) { - // The disjunction here is for better compressibility (see removeClass) - classes = ( value || "" ).match( rnotwhite ) || []; - - for ( ; i < len; i++ ) { - elem = this[ i ]; - cur = elem.nodeType === 1 && ( elem.className ? - ( " " + elem.className + " " ).replace( rclass, " " ) : - " " - ); - - if ( cur ) { - j = 0; - while ( (clazz = classes[j++]) ) { - if ( cur.indexOf( " " + clazz + " " ) < 0 ) { - cur += clazz + " "; - } - } - - // only assign if different to avoid unneeded rendering. - finalValue = jQuery.trim( cur ); - if ( elem.className !== finalValue ) { - elem.className = finalValue; - } - } - } - } - - return this; - }, - - removeClass: function( value ) { - var classes, elem, cur, clazz, j, finalValue, - proceed = arguments.length === 0 || typeof value === "string" && value, - i = 0, - len = this.length; - - if ( jQuery.isFunction( value ) ) { - return this.each(function( j ) { - jQuery( this ).removeClass( value.call( this, j, this.className ) ); - }); - } - if ( proceed ) { - classes = ( value || "" ).match( rnotwhite ) || []; - - for ( ; i < len; i++ ) { - elem = this[ i ]; - // This expression is here for better compressibility (see addClass) - cur = elem.nodeType === 1 && ( elem.className ? - ( " " + elem.className + " " ).replace( rclass, " " ) : - "" - ); - - if ( cur ) { - j = 0; - while ( (clazz = classes[j++]) ) { - // Remove *all* instances - while ( cur.indexOf( " " + clazz + " " ) >= 0 ) { - cur = cur.replace( " " + clazz + " ", " " ); - } - } - - // only assign if different to avoid unneeded rendering. - finalValue = value ? jQuery.trim( cur ) : ""; - if ( elem.className !== finalValue ) { - elem.className = finalValue; - } - } - } - } - - return this; - }, - - toggleClass: function( value, stateVal ) { - var type = typeof value; - - if ( typeof stateVal === "boolean" && type === "string" ) { - return stateVal ? this.addClass( value ) : this.removeClass( value ); - } - - if ( jQuery.isFunction( value ) ) { - return this.each(function( i ) { - jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal ); - }); - } - - return this.each(function() { - if ( type === "string" ) { - // toggle individual class names - var className, - i = 0, - self = jQuery( this ), - classNames = value.match( rnotwhite ) || []; - - while ( (className = classNames[ i++ ]) ) { - // check each className given, space separated list - if ( self.hasClass( className ) ) { - self.removeClass( className ); - } else { - self.addClass( className ); - } - } - - // Toggle whole class name - } else if ( type === strundefined || type === "boolean" ) { - if ( this.className ) { - // store className if set - data_priv.set( this, "__className__", this.className ); - } - - // If the element has a class name or if we're passed "false", - // then remove the whole classname (if there was one, the above saved it). - // Otherwise bring back whatever was previously saved (if anything), - // falling back to the empty string if nothing was stored. - this.className = this.className || value === false ? "" : data_priv.get( this, "__className__" ) || ""; - } - }); - }, - - hasClass: function( selector ) { - var className = " " + selector + " ", - i = 0, - l = this.length; - for ( ; i < l; i++ ) { - if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) { - return true; - } - } - - return false; - } -}); - - - - -var rreturn = /\r/g; - -jQuery.fn.extend({ - val: function( value ) { - var hooks, ret, isFunction, - elem = this[0]; - - if ( !arguments.length ) { - if ( elem ) { - hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ]; - - if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) { - return ret; - } - - ret = elem.value; - - return typeof ret === "string" ? - // handle most common string cases - ret.replace(rreturn, "") : - // handle cases where value is null/undef or number - ret == null ? "" : ret; - } - - return; - } - - isFunction = jQuery.isFunction( value ); - - return this.each(function( i ) { - var val; - - if ( this.nodeType !== 1 ) { - return; - } - - if ( isFunction ) { - val = value.call( this, i, jQuery( this ).val() ); - } else { - val = value; - } - - // Treat null/undefined as ""; convert numbers to string - if ( val == null ) { - val = ""; - - } else if ( typeof val === "number" ) { - val += ""; - - } else if ( jQuery.isArray( val ) ) { - val = jQuery.map( val, function( value ) { - return value == null ? "" : value + ""; - }); - } - - hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ]; - - // If set returns undefined, fall back to normal setting - if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) { - this.value = val; - } - }); - } -}); - -jQuery.extend({ - valHooks: { - select: { - get: function( elem ) { - var value, option, - options = elem.options, - index = elem.selectedIndex, - one = elem.type === "select-one" || index < 0, - values = one ? null : [], - max = one ? index + 1 : options.length, - i = index < 0 ? - max : - one ? index : 0; - - // Loop through all the selected options - for ( ; i < max; i++ ) { - option = options[ i ]; - - // IE6-9 doesn't update selected after form reset (#2551) - if ( ( option.selected || i === index ) && - // Don't return options that are disabled or in a disabled optgroup - ( support.optDisabled ? !option.disabled : option.getAttribute( "disabled" ) === null ) && - ( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) { - - // Get the specific value for the option - value = jQuery( option ).val(); - - // We don't need an array for one selects - if ( one ) { - return value; - } - - // Multi-Selects return an array - values.push( value ); - } - } - - return values; - }, - - set: function( elem, value ) { - var optionSet, option, - options = elem.options, - values = jQuery.makeArray( value ), - i = options.length; - - while ( i-- ) { - option = options[ i ]; - if ( (option.selected = jQuery.inArray( jQuery(option).val(), values ) >= 0) ) { - optionSet = true; - } - } - - // force browsers to behave consistently when non-matching value is set - if ( !optionSet ) { - elem.selectedIndex = -1; - } - return values; - } - } - } -}); - -// Radios and checkboxes getter/setter -jQuery.each([ "radio", "checkbox" ], function() { - jQuery.valHooks[ this ] = { - set: function( elem, value ) { - if ( jQuery.isArray( value ) ) { - return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 ); - } - } - }; - if ( !support.checkOn ) { - jQuery.valHooks[ this ].get = function( elem ) { - // Support: Webkit - // "" is returned instead of "on" if a value isn't specified - return elem.getAttribute("value") === null ? "on" : elem.value; - }; - } -}); - - - - -// Return jQuery for attributes-only inclusion - - -jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " + - "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " + - "change select submit keydown keypress keyup error contextmenu").split(" "), function( i, name ) { - - // Handle event binding - jQuery.fn[ name ] = function( data, fn ) { - return arguments.length > 0 ? - this.on( name, null, data, fn ) : - this.trigger( name ); - }; -}); - -jQuery.fn.extend({ - hover: function( fnOver, fnOut ) { - return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver ); - }, - - bind: function( types, data, fn ) { - return this.on( types, null, data, fn ); - }, - unbind: function( types, fn ) { - return this.off( types, null, fn ); - }, - - delegate: function( selector, types, data, fn ) { - return this.on( types, selector, data, fn ); - }, - undelegate: function( selector, types, fn ) { - // ( namespace ) or ( selector, types [, fn] ) - return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn ); - } -}); - - -var nonce = jQuery.now(); - -var rquery = (/\?/); - - - -// Support: Android 2.3 -// Workaround failure to string-cast null input -jQuery.parseJSON = function( data ) { - return JSON.parse( data + "" ); -}; - - -// Cross-browser xml parsing -jQuery.parseXML = function( data ) { - var xml, tmp; - if ( !data || typeof data !== "string" ) { - return null; - } - - // Support: IE9 - try { - tmp = new DOMParser(); - xml = tmp.parseFromString( data, "text/xml" ); - } catch ( e ) { - xml = undefined; - } - - if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) { - jQuery.error( "Invalid XML: " + data ); - } - return xml; -}; - - -var - // Document location - ajaxLocParts, - ajaxLocation, - - rhash = /#.*$/, - rts = /([?&])_=[^&]*/, - rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg, - // #7653, #8125, #8152: local protocol detection - rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/, - rnoContent = /^(?:GET|HEAD)$/, - rprotocol = /^\/\//, - rurl = /^([\w.+-]+:)(?:\/\/(?:[^\/?#]*@|)([^\/?#:]*)(?::(\d+)|)|)/, - - /* Prefilters - * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example) - * 2) These are called: - * - BEFORE asking for a transport - * - AFTER param serialization (s.data is a string if s.processData is true) - * 3) key is the dataType - * 4) the catchall symbol "*" can be used - * 5) execution will start with transport dataType and THEN continue down to "*" if needed - */ - prefilters = {}, - - /* Transports bindings - * 1) key is the dataType - * 2) the catchall symbol "*" can be used - * 3) selection will start with transport dataType and THEN go to "*" if needed - */ - transports = {}, - - // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression - allTypes = "*/".concat("*"); - -// #8138, IE may throw an exception when accessing -// a field from window.location if document.domain has been set -try { - ajaxLocation = location.href; -} catch( e ) { - // Use the href attribute of an A element - // since IE will modify it given document.location - ajaxLocation = document.createElement( "a" ); - ajaxLocation.href = ""; - ajaxLocation = ajaxLocation.href; -} - -// Segment location into parts -ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || []; - -// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport -function addToPrefiltersOrTransports( structure ) { - - // dataTypeExpression is optional and defaults to "*" - return function( dataTypeExpression, func ) { - - if ( typeof dataTypeExpression !== "string" ) { - func = dataTypeExpression; - dataTypeExpression = "*"; - } - - var dataType, - i = 0, - dataTypes = dataTypeExpression.toLowerCase().match( rnotwhite ) || []; - - if ( jQuery.isFunction( func ) ) { - // For each dataType in the dataTypeExpression - while ( (dataType = dataTypes[i++]) ) { - // Prepend if requested - if ( dataType[0] === "+" ) { - dataType = dataType.slice( 1 ) || "*"; - (structure[ dataType ] = structure[ dataType ] || []).unshift( func ); - - // Otherwise append - } else { - (structure[ dataType ] = structure[ dataType ] || []).push( func ); - } - } - } - }; -} - -// Base inspection function for prefilters and transports -function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) { - - var inspected = {}, - seekingTransport = ( structure === transports ); - - function inspect( dataType ) { - var selected; - inspected[ dataType ] = true; - jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) { - var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR ); - if ( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) { - options.dataTypes.unshift( dataTypeOrTransport ); - inspect( dataTypeOrTransport ); - return false; - } else if ( seekingTransport ) { - return !( selected = dataTypeOrTransport ); - } - }); - return selected; - } - - return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" ); -} - -// A special extend for ajax options -// that takes "flat" options (not to be deep extended) -// Fixes #9887 -function ajaxExtend( target, src ) { - var key, deep, - flatOptions = jQuery.ajaxSettings.flatOptions || {}; - - for ( key in src ) { - if ( src[ key ] !== undefined ) { - ( flatOptions[ key ] ? target : ( deep || (deep = {}) ) )[ key ] = src[ key ]; - } - } - if ( deep ) { - jQuery.extend( true, target, deep ); - } - - return target; -} - -/* Handles responses to an ajax request: - * - finds the right dataType (mediates between content-type and expected dataType) - * - returns the corresponding response - */ -function ajaxHandleResponses( s, jqXHR, responses ) { - - var ct, type, finalDataType, firstDataType, - contents = s.contents, - dataTypes = s.dataTypes; - - // Remove auto dataType and get content-type in the process - while ( dataTypes[ 0 ] === "*" ) { - dataTypes.shift(); - if ( ct === undefined ) { - ct = s.mimeType || jqXHR.getResponseHeader("Content-Type"); - } - } - - // Check if we're dealing with a known content-type - if ( ct ) { - for ( type in contents ) { - if ( contents[ type ] && contents[ type ].test( ct ) ) { - dataTypes.unshift( type ); - break; - } - } - } - - // Check to see if we have a response for the expected dataType - if ( dataTypes[ 0 ] in responses ) { - finalDataType = dataTypes[ 0 ]; - } else { - // Try convertible dataTypes - for ( type in responses ) { - if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) { - finalDataType = type; - break; - } - if ( !firstDataType ) { - firstDataType = type; - } - } - // Or just use first one - finalDataType = finalDataType || firstDataType; - } - - // If we found a dataType - // We add the dataType to the list if needed - // and return the corresponding response - if ( finalDataType ) { - if ( finalDataType !== dataTypes[ 0 ] ) { - dataTypes.unshift( finalDataType ); - } - return responses[ finalDataType ]; - } -} - -/* Chain conversions given the request and the original response - * Also sets the responseXXX fields on the jqXHR instance - */ -function ajaxConvert( s, response, jqXHR, isSuccess ) { - var conv2, current, conv, tmp, prev, - converters = {}, - // Work with a copy of dataTypes in case we need to modify it for conversion - dataTypes = s.dataTypes.slice(); - - // Create converters map with lowercased keys - if ( dataTypes[ 1 ] ) { - for ( conv in s.converters ) { - converters[ conv.toLowerCase() ] = s.converters[ conv ]; - } - } - - current = dataTypes.shift(); - - // Convert to each sequential dataType - while ( current ) { - - if ( s.responseFields[ current ] ) { - jqXHR[ s.responseFields[ current ] ] = response; - } - - // Apply the dataFilter if provided - if ( !prev && isSuccess && s.dataFilter ) { - response = s.dataFilter( response, s.dataType ); - } - - prev = current; - current = dataTypes.shift(); - - if ( current ) { - - // There's only work to do if current dataType is non-auto - if ( current === "*" ) { - - current = prev; - - // Convert response if prev dataType is non-auto and differs from current - } else if ( prev !== "*" && prev !== current ) { - - // Seek a direct converter - conv = converters[ prev + " " + current ] || converters[ "* " + current ]; - - // If none found, seek a pair - if ( !conv ) { - for ( conv2 in converters ) { - - // If conv2 outputs current - tmp = conv2.split( " " ); - if ( tmp[ 1 ] === current ) { - - // If prev can be converted to accepted input - conv = converters[ prev + " " + tmp[ 0 ] ] || - converters[ "* " + tmp[ 0 ] ]; - if ( conv ) { - // Condense equivalence converters - if ( conv === true ) { - conv = converters[ conv2 ]; - - // Otherwise, insert the intermediate dataType - } else if ( converters[ conv2 ] !== true ) { - current = tmp[ 0 ]; - dataTypes.unshift( tmp[ 1 ] ); - } - break; - } - } - } - } - - // Apply converter (if not an equivalence) - if ( conv !== true ) { - - // Unless errors are allowed to bubble, catch and return them - if ( conv && s[ "throws" ] ) { - response = conv( response ); - } else { - try { - response = conv( response ); - } catch ( e ) { - return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current }; - } - } - } - } - } - } - - return { state: "success", data: response }; -} - -jQuery.extend({ - - // Counter for holding the number of active queries - active: 0, - - // Last-Modified header cache for next request - lastModified: {}, - etag: {}, - - ajaxSettings: { - url: ajaxLocation, - type: "GET", - isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ), - global: true, - processData: true, - async: true, - contentType: "application/x-www-form-urlencoded; charset=UTF-8", - /* - timeout: 0, - data: null, - dataType: null, - username: null, - password: null, - cache: null, - throws: false, - traditional: false, - headers: {}, - */ - - accepts: { - "*": allTypes, - text: "text/plain", - html: "text/html", - xml: "application/xml, text/xml", - json: "application/json, text/javascript" - }, - - contents: { - xml: /xml/, - html: /html/, - json: /json/ - }, - - responseFields: { - xml: "responseXML", - text: "responseText", - json: "responseJSON" - }, - - // Data converters - // Keys separate source (or catchall "*") and destination types with a single space - converters: { - - // Convert anything to text - "* text": String, - - // Text to html (true = no transformation) - "text html": true, - - // Evaluate text as a json expression - "text json": jQuery.parseJSON, - - // Parse text as xml - "text xml": jQuery.parseXML - }, - - // For options that shouldn't be deep extended: - // you can add your own custom options here if - // and when you create one that shouldn't be - // deep extended (see ajaxExtend) - flatOptions: { - url: true, - context: true - } - }, - - // Creates a full fledged settings object into target - // with both ajaxSettings and settings fields. - // If target is omitted, writes into ajaxSettings. - ajaxSetup: function( target, settings ) { - return settings ? - - // Building a settings object - ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) : - - // Extending ajaxSettings - ajaxExtend( jQuery.ajaxSettings, target ); - }, - - ajaxPrefilter: addToPrefiltersOrTransports( prefilters ), - ajaxTransport: addToPrefiltersOrTransports( transports ), - - // Main method - ajax: function( url, options ) { - - // If url is an object, simulate pre-1.5 signature - if ( typeof url === "object" ) { - options = url; - url = undefined; - } - - // Force options to be an object - options = options || {}; - - var transport, - // URL without anti-cache param - cacheURL, - // Response headers - responseHeadersString, - responseHeaders, - // timeout handle - timeoutTimer, - // Cross-domain detection vars - parts, - // To know if global events are to be dispatched - fireGlobals, - // Loop variable - i, - // Create the final options object - s = jQuery.ajaxSetup( {}, options ), - // Callbacks context - callbackContext = s.context || s, - // Context for global events is callbackContext if it is a DOM node or jQuery collection - globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.jquery ) ? - jQuery( callbackContext ) : - jQuery.event, - // Deferreds - deferred = jQuery.Deferred(), - completeDeferred = jQuery.Callbacks("once memory"), - // Status-dependent callbacks - statusCode = s.statusCode || {}, - // Headers (they are sent all at once) - requestHeaders = {}, - requestHeadersNames = {}, - // The jqXHR state - state = 0, - // Default abort message - strAbort = "canceled", - // Fake xhr - jqXHR = { - readyState: 0, - - // Builds headers hashtable if needed - getResponseHeader: function( key ) { - var match; - if ( state === 2 ) { - if ( !responseHeaders ) { - responseHeaders = {}; - while ( (match = rheaders.exec( responseHeadersString )) ) { - responseHeaders[ match[1].toLowerCase() ] = match[ 2 ]; - } - } - match = responseHeaders[ key.toLowerCase() ]; - } - return match == null ? null : match; - }, - - // Raw string - getAllResponseHeaders: function() { - return state === 2 ? responseHeadersString : null; - }, - - // Caches the header - setRequestHeader: function( name, value ) { - var lname = name.toLowerCase(); - if ( !state ) { - name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name; - requestHeaders[ name ] = value; - } - return this; - }, - - // Overrides response content-type header - overrideMimeType: function( type ) { - if ( !state ) { - s.mimeType = type; - } - return this; - }, - - // Status-dependent callbacks - statusCode: function( map ) { - var code; - if ( map ) { - if ( state < 2 ) { - for ( code in map ) { - // Lazy-add the new callback in a way that preserves old ones - statusCode[ code ] = [ statusCode[ code ], map[ code ] ]; - } - } else { - // Execute the appropriate callbacks - jqXHR.always( map[ jqXHR.status ] ); - } - } - return this; - }, - - // Cancel the request - abort: function( statusText ) { - var finalText = statusText || strAbort; - if ( transport ) { - transport.abort( finalText ); - } - done( 0, finalText ); - return this; - } - }; - - // Attach deferreds - deferred.promise( jqXHR ).complete = completeDeferred.add; - jqXHR.success = jqXHR.done; - jqXHR.error = jqXHR.fail; - - // Remove hash character (#7531: and string promotion) - // Add protocol if not provided (prefilters might expect it) - // Handle falsy url in the settings object (#10093: consistency with old signature) - // We also use the url parameter if available - s.url = ( ( url || s.url || ajaxLocation ) + "" ).replace( rhash, "" ) - .replace( rprotocol, ajaxLocParts[ 1 ] + "//" ); - - // Alias method option to type as per ticket #12004 - s.type = options.method || options.type || s.method || s.type; - - // Extract dataTypes list - s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( rnotwhite ) || [ "" ]; - - // A cross-domain request is in order when we have a protocol:host:port mismatch - if ( s.crossDomain == null ) { - parts = rurl.exec( s.url.toLowerCase() ); - s.crossDomain = !!( parts && - ( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] || - ( parts[ 3 ] || ( parts[ 1 ] === "http:" ? "80" : "443" ) ) !== - ( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? "80" : "443" ) ) ) - ); - } - - // Convert data if not already a string - if ( s.data && s.processData && typeof s.data !== "string" ) { - s.data = jQuery.param( s.data, s.traditional ); - } - - // Apply prefilters - inspectPrefiltersOrTransports( prefilters, s, options, jqXHR ); - - // If request was aborted inside a prefilter, stop there - if ( state === 2 ) { - return jqXHR; - } - - // We can fire global events as of now if asked to - fireGlobals = s.global; - - // Watch for a new set of requests - if ( fireGlobals && jQuery.active++ === 0 ) { - jQuery.event.trigger("ajaxStart"); - } - - // Uppercase the type - s.type = s.type.toUpperCase(); - - // Determine if request has content - s.hasContent = !rnoContent.test( s.type ); - - // Save the URL in case we're toying with the If-Modified-Since - // and/or If-None-Match header later on - cacheURL = s.url; - - // More options handling for requests with no content - if ( !s.hasContent ) { - - // If data is available, append data to url - if ( s.data ) { - cacheURL = ( s.url += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data ); - // #9682: remove data so that it's not used in an eventual retry - delete s.data; - } - - // Add anti-cache in url if needed - if ( s.cache === false ) { - s.url = rts.test( cacheURL ) ? - - // If there is already a '_' parameter, set its value - cacheURL.replace( rts, "$1_=" + nonce++ ) : - - // Otherwise add one to the end - cacheURL + ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + nonce++; - } - } - - // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. - if ( s.ifModified ) { - if ( jQuery.lastModified[ cacheURL ] ) { - jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] ); - } - if ( jQuery.etag[ cacheURL ] ) { - jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] ); - } - } - - // Set the correct header, if data is being sent - if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) { - jqXHR.setRequestHeader( "Content-Type", s.contentType ); - } - - // Set the Accepts header for the server, depending on the dataType - jqXHR.setRequestHeader( - "Accept", - s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ? - s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) : - s.accepts[ "*" ] - ); - - // Check for headers option - for ( i in s.headers ) { - jqXHR.setRequestHeader( i, s.headers[ i ] ); - } - - // Allow custom headers/mimetypes and early abort - if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) { - // Abort if not done already and return - return jqXHR.abort(); - } - - // aborting is no longer a cancellation - strAbort = "abort"; - - // Install callbacks on deferreds - for ( i in { success: 1, error: 1, complete: 1 } ) { - jqXHR[ i ]( s[ i ] ); - } - - // Get transport - transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR ); - - // If no transport, we auto-abort - if ( !transport ) { - done( -1, "No Transport" ); - } else { - jqXHR.readyState = 1; - - // Send global event - if ( fireGlobals ) { - globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] ); - } - // Timeout - if ( s.async && s.timeout > 0 ) { - timeoutTimer = setTimeout(function() { - jqXHR.abort("timeout"); - }, s.timeout ); - } - - try { - state = 1; - transport.send( requestHeaders, done ); - } catch ( e ) { - // Propagate exception as error if not done - if ( state < 2 ) { - done( -1, e ); - // Simply rethrow otherwise - } else { - throw e; - } - } - } - - // Callback for when everything is done - function done( status, nativeStatusText, responses, headers ) { - var isSuccess, success, error, response, modified, - statusText = nativeStatusText; - - // Called once - if ( state === 2 ) { - return; - } - - // State is "done" now - state = 2; - - // Clear timeout if it exists - if ( timeoutTimer ) { - clearTimeout( timeoutTimer ); - } - - // Dereference transport for early garbage collection - // (no matter how long the jqXHR object will be used) - transport = undefined; - - // Cache response headers - responseHeadersString = headers || ""; - - // Set readyState - jqXHR.readyState = status > 0 ? 4 : 0; - - // Determine if successful - isSuccess = status >= 200 && status < 300 || status === 304; - - // Get response data - if ( responses ) { - response = ajaxHandleResponses( s, jqXHR, responses ); - } - - // Convert no matter what (that way responseXXX fields are always set) - response = ajaxConvert( s, response, jqXHR, isSuccess ); - - // If successful, handle type chaining - if ( isSuccess ) { - - // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. - if ( s.ifModified ) { - modified = jqXHR.getResponseHeader("Last-Modified"); - if ( modified ) { - jQuery.lastModified[ cacheURL ] = modified; - } - modified = jqXHR.getResponseHeader("etag"); - if ( modified ) { - jQuery.etag[ cacheURL ] = modified; - } - } - - // if no content - if ( status === 204 || s.type === "HEAD" ) { - statusText = "nocontent"; - - // if not modified - } else if ( status === 304 ) { - statusText = "notmodified"; - - // If we have data, let's convert it - } else { - statusText = response.state; - success = response.data; - error = response.error; - isSuccess = !error; - } - } else { - // We extract error from statusText - // then normalize statusText and status for non-aborts - error = statusText; - if ( status || !statusText ) { - statusText = "error"; - if ( status < 0 ) { - status = 0; - } - } - } - - // Set data for the fake xhr object - jqXHR.status = status; - jqXHR.statusText = ( nativeStatusText || statusText ) + ""; - - // Success/Error - if ( isSuccess ) { - deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] ); - } else { - deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] ); - } - - // Status-dependent callbacks - jqXHR.statusCode( statusCode ); - statusCode = undefined; - - if ( fireGlobals ) { - globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError", - [ jqXHR, s, isSuccess ? success : error ] ); - } - - // Complete - completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] ); - - if ( fireGlobals ) { - globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] ); - // Handle the global AJAX counter - if ( !( --jQuery.active ) ) { - jQuery.event.trigger("ajaxStop"); - } - } - } - - return jqXHR; - }, - - getJSON: function( url, data, callback ) { - return jQuery.get( url, data, callback, "json" ); - }, - - getScript: function( url, callback ) { - return jQuery.get( url, undefined, callback, "script" ); - } -}); - -jQuery.each( [ "get", "post" ], function( i, method ) { - jQuery[ method ] = function( url, data, callback, type ) { - // shift arguments if data argument was omitted - if ( jQuery.isFunction( data ) ) { - type = type || callback; - callback = data; - data = undefined; - } - - return jQuery.ajax({ - url: url, - type: method, - dataType: type, - data: data, - success: callback - }); - }; -}); - -// Attach a bunch of functions for handling common AJAX events -jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( i, type ) { - jQuery.fn[ type ] = function( fn ) { - return this.on( type, fn ); - }; -}); - - -jQuery._evalUrl = function( url ) { - return jQuery.ajax({ - url: url, - type: "GET", - dataType: "script", - async: false, - global: false, - "throws": true - }); -}; - - -jQuery.fn.extend({ - wrapAll: function( html ) { - var wrap; - - if ( jQuery.isFunction( html ) ) { - return this.each(function( i ) { - jQuery( this ).wrapAll( html.call(this, i) ); - }); - } - - if ( this[ 0 ] ) { - - // The elements to wrap the target around - wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true ); - - if ( this[ 0 ].parentNode ) { - wrap.insertBefore( this[ 0 ] ); - } - - wrap.map(function() { - var elem = this; - - while ( elem.firstElementChild ) { - elem = elem.firstElementChild; - } - - return elem; - }).append( this ); - } - - return this; - }, - - wrapInner: function( html ) { - if ( jQuery.isFunction( html ) ) { - return this.each(function( i ) { - jQuery( this ).wrapInner( html.call(this, i) ); - }); - } - - return this.each(function() { - var self = jQuery( this ), - contents = self.contents(); - - if ( contents.length ) { - contents.wrapAll( html ); - - } else { - self.append( html ); - } - }); - }, - - wrap: function( html ) { - var isFunction = jQuery.isFunction( html ); - - return this.each(function( i ) { - jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html ); - }); - }, - - unwrap: function() { - return this.parent().each(function() { - if ( !jQuery.nodeName( this, "body" ) ) { - jQuery( this ).replaceWith( this.childNodes ); - } - }).end(); - } -}); - - -jQuery.expr.filters.hidden = function( elem ) { - // Support: Opera <= 12.12 - // Opera reports offsetWidths and offsetHeights less than zero on some elements - return elem.offsetWidth <= 0 && elem.offsetHeight <= 0; -}; -jQuery.expr.filters.visible = function( elem ) { - return !jQuery.expr.filters.hidden( elem ); -}; - - - - -var r20 = /%20/g, - rbracket = /\[\]$/, - rCRLF = /\r?\n/g, - rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i, - rsubmittable = /^(?:input|select|textarea|keygen)/i; - -function buildParams( prefix, obj, traditional, add ) { - var name; - - if ( jQuery.isArray( obj ) ) { - // Serialize array item. - jQuery.each( obj, function( i, v ) { - if ( traditional || rbracket.test( prefix ) ) { - // Treat each array item as a scalar. - add( prefix, v ); - - } else { - // Item is non-scalar (array or object), encode its numeric index. - buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add ); - } - }); - - } else if ( !traditional && jQuery.type( obj ) === "object" ) { - // Serialize object item. - for ( name in obj ) { - buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add ); - } - - } else { - // Serialize scalar item. - add( prefix, obj ); - } -} - -// Serialize an array of form elements or a set of -// key/values into a query string -jQuery.param = function( a, traditional ) { - var prefix, - s = [], - add = function( key, value ) { - // If value is a function, invoke it and return its value - value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value ); - s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value ); - }; - - // Set traditional to true for jQuery <= 1.3.2 behavior. - if ( traditional === undefined ) { - traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional; - } - - // If an array was passed in, assume that it is an array of form elements. - if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) { - // Serialize the form elements - jQuery.each( a, function() { - add( this.name, this.value ); - }); - - } else { - // If traditional, encode the "old" way (the way 1.3.2 or older - // did it), otherwise encode params recursively. - for ( prefix in a ) { - buildParams( prefix, a[ prefix ], traditional, add ); - } - } - - // Return the resulting serialization - return s.join( "&" ).replace( r20, "+" ); -}; - -jQuery.fn.extend({ - serialize: function() { - return jQuery.param( this.serializeArray() ); - }, - serializeArray: function() { - return this.map(function() { - // Can add propHook for "elements" to filter or add form elements - var elements = jQuery.prop( this, "elements" ); - return elements ? jQuery.makeArray( elements ) : this; - }) - .filter(function() { - var type = this.type; - - // Use .is( ":disabled" ) so that fieldset[disabled] works - return this.name && !jQuery( this ).is( ":disabled" ) && - rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) && - ( this.checked || !rcheckableType.test( type ) ); - }) - .map(function( i, elem ) { - var val = jQuery( this ).val(); - - return val == null ? - null : - jQuery.isArray( val ) ? - jQuery.map( val, function( val ) { - return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; - }) : - { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; - }).get(); - } -}); - - -jQuery.ajaxSettings.xhr = function() { - try { - return new XMLHttpRequest(); - } catch( e ) {} -}; - -var xhrId = 0, - xhrCallbacks = {}, - xhrSuccessStatus = { - // file protocol always yields status code 0, assume 200 - 0: 200, - // Support: IE9 - // #1450: sometimes IE returns 1223 when it should be 204 - 1223: 204 - }, - xhrSupported = jQuery.ajaxSettings.xhr(); - -// Support: IE9 -// Open requests must be manually aborted on unload (#5280) -if ( window.ActiveXObject ) { - jQuery( window ).on( "unload", function() { - for ( var key in xhrCallbacks ) { - xhrCallbacks[ key ](); - } - }); -} - -support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported ); -support.ajax = xhrSupported = !!xhrSupported; - -jQuery.ajaxTransport(function( options ) { - var callback; - - // Cross domain only allowed if supported through XMLHttpRequest - if ( support.cors || xhrSupported && !options.crossDomain ) { - return { - send: function( headers, complete ) { - var i, - xhr = options.xhr(), - id = ++xhrId; - - xhr.open( options.type, options.url, options.async, options.username, options.password ); - - // Apply custom fields if provided - if ( options.xhrFields ) { - for ( i in options.xhrFields ) { - xhr[ i ] = options.xhrFields[ i ]; - } - } - - // Override mime type if needed - if ( options.mimeType && xhr.overrideMimeType ) { - xhr.overrideMimeType( options.mimeType ); - } - - // X-Requested-With header - // For cross-domain requests, seeing as conditions for a preflight are - // akin to a jigsaw puzzle, we simply never set it to be sure. - // (it can always be set on a per-request basis or even using ajaxSetup) - // For same-domain requests, won't change header if already provided. - if ( !options.crossDomain && !headers["X-Requested-With"] ) { - headers["X-Requested-With"] = "XMLHttpRequest"; - } - - // Set headers - for ( i in headers ) { - xhr.setRequestHeader( i, headers[ i ] ); - } - - // Callback - callback = function( type ) { - return function() { - if ( callback ) { - delete xhrCallbacks[ id ]; - callback = xhr.onload = xhr.onerror = null; - - if ( type === "abort" ) { - xhr.abort(); - } else if ( type === "error" ) { - complete( - // file: protocol always yields status 0; see #8605, #14207 - xhr.status, - xhr.statusText - ); - } else { - complete( - xhrSuccessStatus[ xhr.status ] || xhr.status, - xhr.statusText, - // Support: IE9 - // Accessing binary-data responseText throws an exception - // (#11426) - typeof xhr.responseText === "string" ? { - text: xhr.responseText - } : undefined, - xhr.getAllResponseHeaders() - ); - } - } - }; - }; - - // Listen to events - xhr.onload = callback(); - xhr.onerror = callback("error"); - - // Create the abort callback - callback = xhrCallbacks[ id ] = callback("abort"); - - // Do send the request - // This may raise an exception which is actually - // handled in jQuery.ajax (so no try/catch here) - xhr.send( options.hasContent && options.data || null ); - }, - - abort: function() { - if ( callback ) { - callback(); - } - } - }; - } -}); - - - - -// Install script dataType -jQuery.ajaxSetup({ - accepts: { - script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript" - }, - contents: { - script: /(?:java|ecma)script/ - }, - converters: { - "text script": function( text ) { - jQuery.globalEval( text ); - return text; - } - } -}); - -// Handle cache's special case and crossDomain -jQuery.ajaxPrefilter( "script", function( s ) { - if ( s.cache === undefined ) { - s.cache = false; - } - if ( s.crossDomain ) { - s.type = "GET"; - } -}); - -// Bind script tag hack transport -jQuery.ajaxTransport( "script", function( s ) { - // This transport only deals with cross domain requests - if ( s.crossDomain ) { - var script, callback; - return { - send: function( _, complete ) { - script = jQuery("<script>").prop({ - async: true, - charset: s.scriptCharset, - src: s.url - }).on( - "load error", - callback = function( evt ) { - script.remove(); - callback = null; - if ( evt ) { - complete( evt.type === "error" ? 404 : 200, evt.type ); - } - } - ); - document.head.appendChild( script[ 0 ] ); - }, - abort: function() { - if ( callback ) { - callback(); - } - } - }; - } -}); - - - - -var oldCallbacks = [], - rjsonp = /(=)\?(?=&|$)|\?\?/; - -// Default jsonp settings -jQuery.ajaxSetup({ - jsonp: "callback", - jsonpCallback: function() { - var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) ); - this[ callback ] = true; - return callback; - } -}); - -// Detect, normalize options and install callbacks for jsonp requests -jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) { - - var callbackName, overwritten, responseContainer, - jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ? - "url" : - typeof s.data === "string" && !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") && rjsonp.test( s.data ) && "data" - ); - - // Handle iff the expected data type is "jsonp" or we have a parameter to set - if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) { - - // Get callback name, remembering preexisting value associated with it - callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ? - s.jsonpCallback() : - s.jsonpCallback; - - // Insert callback into url or form data - if ( jsonProp ) { - s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName ); - } else if ( s.jsonp !== false ) { - s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName; - } - - // Use data converter to retrieve json after script execution - s.converters["script json"] = function() { - if ( !responseContainer ) { - jQuery.error( callbackName + " was not called" ); - } - return responseContainer[ 0 ]; - }; - - // force json dataType - s.dataTypes[ 0 ] = "json"; - - // Install callback - overwritten = window[ callbackName ]; - window[ callbackName ] = function() { - responseContainer = arguments; - }; - - // Clean-up function (fires after converters) - jqXHR.always(function() { - // Restore preexisting value - window[ callbackName ] = overwritten; - - // Save back as free - if ( s[ callbackName ] ) { - // make sure that re-using the options doesn't screw things around - s.jsonpCallback = originalSettings.jsonpCallback; - - // save the callback name for future use - oldCallbacks.push( callbackName ); - } - - // Call if it was a function and we have a response - if ( responseContainer && jQuery.isFunction( overwritten ) ) { - overwritten( responseContainer[ 0 ] ); - } - - responseContainer = overwritten = undefined; - }); - - // Delegate to script - return "script"; - } -}); - - - - -// data: string of html -// context (optional): If specified, the fragment will be created in this context, defaults to document -// keepScripts (optional): If true, will include scripts passed in the html string -jQuery.parseHTML = function( data, context, keepScripts ) { - if ( !data || typeof data !== "string" ) { - return null; - } - if ( typeof context === "boolean" ) { - keepScripts = context; - context = false; - } - context = context || document; - - var parsed = rsingleTag.exec( data ), - scripts = !keepScripts && []; - - // Single tag - if ( parsed ) { - return [ context.createElement( parsed[1] ) ]; - } - - parsed = jQuery.buildFragment( [ data ], context, scripts ); - - if ( scripts && scripts.length ) { - jQuery( scripts ).remove(); - } - - return jQuery.merge( [], parsed.childNodes ); -}; - - -// Keep a copy of the old load method -var _load = jQuery.fn.load; - -/** - * Load a url into a page - */ -jQuery.fn.load = function( url, params, callback ) { - if ( typeof url !== "string" && _load ) { - return _load.apply( this, arguments ); - } - - var selector, type, response, - self = this, - off = url.indexOf(" "); - - if ( off >= 0 ) { - selector = url.slice( off ); - url = url.slice( 0, off ); - } - - // If it's a function - if ( jQuery.isFunction( params ) ) { - - // We assume that it's the callback - callback = params; - params = undefined; - - // Otherwise, build a param string - } else if ( params && typeof params === "object" ) { - type = "POST"; - } - - // If we have elements to modify, make the request - if ( self.length > 0 ) { - jQuery.ajax({ - url: url, - - // if "type" variable is undefined, then "GET" method will be used - type: type, - dataType: "html", - data: params - }).done(function( responseText ) { - - // Save response for use in complete callback - response = arguments; - - self.html( selector ? - - // If a selector was specified, locate the right elements in a dummy div - // Exclude scripts to avoid IE 'Permission Denied' errors - jQuery("<div>").append( jQuery.parseHTML( responseText ) ).find( selector ) : - - // Otherwise use the full result - responseText ); - - }).complete( callback && function( jqXHR, status ) { - self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] ); - }); - } - - return this; -}; - - - - -jQuery.expr.filters.animated = function( elem ) { - return jQuery.grep(jQuery.timers, function( fn ) { - return elem === fn.elem; - }).length; -}; - - - - -var docElem = window.document.documentElement; - -/** - * Gets a window from an element - */ -function getWindow( elem ) { - return jQuery.isWindow( elem ) ? elem : elem.nodeType === 9 && elem.defaultView; -} - -jQuery.offset = { - setOffset: function( elem, options, i ) { - var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition, - position = jQuery.css( elem, "position" ), - curElem = jQuery( elem ), - props = {}; - - // Set position first, in-case top/left are set even on static elem - if ( position === "static" ) { - elem.style.position = "relative"; - } - - curOffset = curElem.offset(); - curCSSTop = jQuery.css( elem, "top" ); - curCSSLeft = jQuery.css( elem, "left" ); - calculatePosition = ( position === "absolute" || position === "fixed" ) && - ( curCSSTop + curCSSLeft ).indexOf("auto") > -1; - - // Need to be able to calculate position if either top or left is auto and position is either absolute or fixed - if ( calculatePosition ) { - curPosition = curElem.position(); - curTop = curPosition.top; - curLeft = curPosition.left; - - } else { - curTop = parseFloat( curCSSTop ) || 0; - curLeft = parseFloat( curCSSLeft ) || 0; - } - - if ( jQuery.isFunction( options ) ) { - options = options.call( elem, i, curOffset ); - } - - if ( options.top != null ) { - props.top = ( options.top - curOffset.top ) + curTop; - } - if ( options.left != null ) { - props.left = ( options.left - curOffset.left ) + curLeft; - } - - if ( "using" in options ) { - options.using.call( elem, props ); - - } else { - curElem.css( props ); - } - } -}; - -jQuery.fn.extend({ - offset: function( options ) { - if ( arguments.length ) { - return options === undefined ? - this : - this.each(function( i ) { - jQuery.offset.setOffset( this, options, i ); - }); - } - - var docElem, win, - elem = this[ 0 ], - box = { top: 0, left: 0 }, - doc = elem && elem.ownerDocument; - - if ( !doc ) { - return; - } - - docElem = doc.documentElement; - - // Make sure it's not a disconnected DOM node - if ( !jQuery.contains( docElem, elem ) ) { - return box; - } - - // If we don't have gBCR, just use 0,0 rather than error - // BlackBerry 5, iOS 3 (original iPhone) - if ( typeof elem.getBoundingClientRect !== strundefined ) { - box = elem.getBoundingClientRect(); - } - win = getWindow( doc ); - return { - top: box.top + win.pageYOffset - docElem.clientTop, - left: box.left + win.pageXOffset - docElem.clientLeft - }; - }, - - position: function() { - if ( !this[ 0 ] ) { - return; - } - - var offsetParent, offset, - elem = this[ 0 ], - parentOffset = { top: 0, left: 0 }; - - // Fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is its only offset parent - if ( jQuery.css( elem, "position" ) === "fixed" ) { - // We assume that getBoundingClientRect is available when computed position is fixed - offset = elem.getBoundingClientRect(); - - } else { - // Get *real* offsetParent - offsetParent = this.offsetParent(); - - // Get correct offsets - offset = this.offset(); - if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) { - parentOffset = offsetParent.offset(); - } - - // Add offsetParent borders - parentOffset.top += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true ); - parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true ); - } - - // Subtract parent offsets and element margins - return { - top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ), - left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true ) - }; - }, - - offsetParent: function() { - return this.map(function() { - var offsetParent = this.offsetParent || docElem; - - while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position" ) === "static" ) ) { - offsetParent = offsetParent.offsetParent; - } - - return offsetParent || docElem; - }); - } -}); - -// Create scrollLeft and scrollTop methods -jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) { - var top = "pageYOffset" === prop; - - jQuery.fn[ method ] = function( val ) { - return access( this, function( elem, method, val ) { - var win = getWindow( elem ); - - if ( val === undefined ) { - return win ? win[ prop ] : elem[ method ]; - } - - if ( win ) { - win.scrollTo( - !top ? val : window.pageXOffset, - top ? val : window.pageYOffset - ); - - } else { - elem[ method ] = val; - } - }, method, val, arguments.length, null ); - }; -}); - -// Add the top/left cssHooks using jQuery.fn.position -// Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084 -// getComputedStyle returns percent when specified for top/left/bottom/right -// rather than make the css module depend on the offset module, we just check for it here -jQuery.each( [ "top", "left" ], function( i, prop ) { - jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition, - function( elem, computed ) { - if ( computed ) { - computed = curCSS( elem, prop ); - // if curCSS returns percentage, fallback to offset - return rnumnonpx.test( computed ) ? - jQuery( elem ).position()[ prop ] + "px" : - computed; - } - } - ); -}); - - -// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods -jQuery.each( { Height: "height", Width: "width" }, function( name, type ) { - jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) { - // margin is only for outerHeight, outerWidth - jQuery.fn[ funcName ] = function( margin, value ) { - var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ), - extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" ); - - return access( this, function( elem, type, value ) { - var doc; - - if ( jQuery.isWindow( elem ) ) { - // As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there - // isn't a whole lot we can do. See pull request at this URL for discussion: - // https://github.com/jquery/jquery/pull/764 - return elem.document.documentElement[ "client" + name ]; - } - - // Get document width or height - if ( elem.nodeType === 9 ) { - doc = elem.documentElement; - - // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], - // whichever is greatest - return Math.max( - elem.body[ "scroll" + name ], doc[ "scroll" + name ], - elem.body[ "offset" + name ], doc[ "offset" + name ], - doc[ "client" + name ] - ); - } - - return value === undefined ? - // Get width or height on the element, requesting but not forcing parseFloat - jQuery.css( elem, type, extra ) : - - // Set width or height on the element - jQuery.style( elem, type, value, extra ); - }, type, chainable ? margin : undefined, chainable, null ); - }; - }); -}); - - -// The number of elements contained in the matched element set -jQuery.fn.size = function() { - return this.length; -}; - -jQuery.fn.andSelf = jQuery.fn.addBack; - - - - -// Register as a named AMD module, since jQuery can be concatenated with other -// files that may use define, but not via a proper concatenation script that -// understands anonymous AMD modules. A named AMD is safest and most robust -// way to register. Lowercase jquery is used because AMD module names are -// derived from file names, and jQuery is normally delivered in a lowercase -// file name. Do this after creating the global so that if an AMD module wants -// to call noConflict to hide this version of jQuery, it will work. -if ( typeof define === "function" && define.amd ) { - define( "jquery", [], function() { - return jQuery; - }); -} - - - - -var - // Map over jQuery in case of overwrite - _jQuery = window.jQuery, - - // Map over the $ in case of overwrite - _$ = window.$; - -jQuery.noConflict = function( deep ) { - if ( window.$ === jQuery ) { - window.$ = _$; - } - - if ( deep && window.jQuery === jQuery ) { - window.jQuery = _jQuery; - } - - return jQuery; -}; - -// Expose jQuery and $ identifiers, even in -// AMD (#7102#comment:10, https://github.com/jquery/jquery/pull/557) -// and CommonJS for browser emulators (#13566) -if ( typeof noGlobal === strundefined ) { - window.jQuery = window.$ = jQuery; -} - - - - -return jQuery; - -})); - -define("jQuery", (function (global) { - return function () { - var ret, fn; - return ret || global.$; - }; -}(this))); - -define('utils/storage',[],function(){ - var baseKey = ""; - - /* - * Simple module for storing data in the browser's local storage - */ - return { - setBaseKey: function(key) { - baseKey = key; - }, - set: function(key, value) { - key = baseKey+":"+key; - localStorage[key] = JSON.stringify(value); - }, - get: function(key, def) { - key = baseKey+":"+key; - if (localStorage[key] === undefined) return def; - try { - var v = JSON.parse(localStorage[key]); - return v == null ? def : v;; - } catch(err) { - console.error(err); - return localStorage[key] || def; - } - }, - remove: function(key) { - key = baseKey+":"+key; - localStorage.removeItem(key); - } - }; -}); -/** - * @license - * Lo-Dash 2.4.1 (Custom Build) <http://lodash.com/> - * Build: `lodash modern -o ./dist/lodash.js` - * Copyright 2012-2013 The Dojo Foundation <http://dojofoundation.org/> - * Based on Underscore.js 1.5.2 <http://underscorejs.org/LICENSE> - * Copyright 2009-2013 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors - * Available under MIT license <http://lodash.com/license> - */ -;(function() { - - /** Used as a safe reference for `undefined` in pre ES5 environments */ - var undefined; - - /** Used to pool arrays and objects used internally */ - var arrayPool = [], - objectPool = []; - - /** Used to generate unique IDs */ - var idCounter = 0; - - /** Used to prefix keys to avoid issues with `__proto__` and properties on `Object.prototype` */ - var keyPrefix = +new Date + ''; - - /** Used as the size when optimizations are enabled for large arrays */ - var largeArraySize = 75; - - /** Used as the max size of the `arrayPool` and `objectPool` */ - var maxPoolSize = 40; - - /** Used to detect and test whitespace */ - var whitespace = ( - // whitespace - ' \t\x0B\f\xA0\ufeff' + - - // line terminators - '\n\r\u2028\u2029' + - - // unicode category "Zs" space separators - '\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000' - ); - - /** Used to match empty string literals in compiled template source */ - var reEmptyStringLeading = /\b__p \+= '';/g, - reEmptyStringMiddle = /\b(__p \+=) '' \+/g, - reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g; - - /** - * Used to match ES6 template delimiters - * http://people.mozilla.org/~jorendorff/es6-draft.html#sec-literals-string-literals - */ - var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g; - - /** Used to match regexp flags from their coerced string values */ - var reFlags = /\w*$/; - - /** Used to detected named functions */ - var reFuncName = /^\s*function[ \n\r\t]+\w/; - - /** Used to match "interpolate" template delimiters */ - var reInterpolate = /<%=([\s\S]+?)%>/g; - - /** Used to match leading whitespace and zeros to be removed */ - var reLeadingSpacesAndZeros = RegExp('^[' + whitespace + ']*0+(?=.$)'); - - /** Used to ensure capturing order of template delimiters */ - var reNoMatch = /($^)/; - - /** Used to detect functions containing a `this` reference */ - var reThis = /\bthis\b/; - - /** Used to match unescaped characters in compiled string literals */ - var reUnescapedString = /['\n\r\t\u2028\u2029\\]/g; - - /** Used to assign default `context` object properties */ - var contextProps = [ - 'Array', 'Boolean', 'Date', 'Function', 'Math', 'Number', 'Object', - 'RegExp', 'String', '_', 'attachEvent', 'clearTimeout', 'isFinite', 'isNaN', - 'parseInt', 'setTimeout' - ]; - - /** Used to make template sourceURLs easier to identify */ - var templateCounter = 0; - - /** `Object#toString` result shortcuts */ - var argsClass = '[object Arguments]', - arrayClass = '[object Array]', - boolClass = '[object Boolean]', - dateClass = '[object Date]', - funcClass = '[object Function]', - numberClass = '[object Number]', - objectClass = '[object Object]', - regexpClass = '[object RegExp]', - stringClass = '[object String]'; - - /** Used to identify object classifications that `_.clone` supports */ - var cloneableClasses = {}; - cloneableClasses[funcClass] = false; - cloneableClasses[argsClass] = cloneableClasses[arrayClass] = - cloneableClasses[boolClass] = cloneableClasses[dateClass] = - cloneableClasses[numberClass] = cloneableClasses[objectClass] = - cloneableClasses[regexpClass] = cloneableClasses[stringClass] = true; - - /** Used as an internal `_.debounce` options object */ - var debounceOptions = { - 'leading': false, - 'maxWait': 0, - 'trailing': false - }; - - /** Used as the property descriptor for `__bindData__` */ - var descriptor = { - 'configurable': false, - 'enumerable': false, - 'value': null, - 'writable': false - }; - - /** Used to determine if values are of the language type Object */ - var objectTypes = { - 'boolean': false, - 'function': true, - 'object': true, - 'number': false, - 'string': false, - 'undefined': false - }; - - /** Used to escape characters for inclusion in compiled string literals */ - var stringEscapes = { - '\\': '\\', - "'": "'", - '\n': 'n', - '\r': 'r', - '\t': 't', - '\u2028': 'u2028', - '\u2029': 'u2029' - }; - - /** Used as a reference to the global object */ - var root = (objectTypes[typeof window] && window) || this; - - /** Detect free variable `exports` */ - var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports; - - /** Detect free variable `module` */ - var freeModule = objectTypes[typeof module] && module && !module.nodeType && module; - - /** Detect the popular CommonJS extension `module.exports` */ - var moduleExports = freeModule && freeModule.exports === freeExports && freeExports; - - /** Detect free variable `global` from Node.js or Browserified code and use it as `root` */ - var freeGlobal = objectTypes[typeof global] && global; - if (freeGlobal && (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal)) { - root = freeGlobal; - } - - /*--------------------------------------------------------------------------*/ - - /** - * The base implementation of `_.indexOf` without support for binary searches - * or `fromIndex` constraints. - * - * @private - * @param {Array} array The array to search. - * @param {*} value The value to search for. - * @param {number} [fromIndex=0] The index to search from. - * @returns {number} Returns the index of the matched value or `-1`. - */ - function baseIndexOf(array, value, fromIndex) { - var index = (fromIndex || 0) - 1, - length = array ? array.length : 0; - - while (++index < length) { - if (array[index] === value) { - return index; - } - } - return -1; - } - - /** - * An implementation of `_.contains` for cache objects that mimics the return - * signature of `_.indexOf` by returning `0` if the value is found, else `-1`. - * - * @private - * @param {Object} cache The cache object to inspect. - * @param {*} value The value to search for. - * @returns {number} Returns `0` if `value` is found, else `-1`. - */ - function cacheIndexOf(cache, value) { - var type = typeof value; - cache = cache.cache; - - if (type == 'boolean' || value == null) { - return cache[value] ? 0 : -1; - } - if (type != 'number' && type != 'string') { - type = 'object'; - } - var key = type == 'number' ? value : keyPrefix + value; - cache = (cache = cache[type]) && cache[key]; - - return type == 'object' - ? (cache && baseIndexOf(cache, value) > -1 ? 0 : -1) - : (cache ? 0 : -1); - } - - /** - * Adds a given value to the corresponding cache object. - * - * @private - * @param {*} value The value to add to the cache. - */ - function cachePush(value) { - var cache = this.cache, - type = typeof value; - - if (type == 'boolean' || value == null) { - cache[value] = true; - } else { - if (type != 'number' && type != 'string') { - type = 'object'; - } - var key = type == 'number' ? value : keyPrefix + value, - typeCache = cache[type] || (cache[type] = {}); - - if (type == 'object') { - (typeCache[key] || (typeCache[key] = [])).push(value); - } else { - typeCache[key] = true; - } - } - } - - /** - * Used by `_.max` and `_.min` as the default callback when a given - * collection is a string value. - * - * @private - * @param {string} value The character to inspect. - * @returns {number} Returns the code unit of given character. - */ - function charAtCallback(value) { - return value.charCodeAt(0); - } - - /** - * Used by `sortBy` to compare transformed `collection` elements, stable sorting - * them in ascending order. - * - * @private - * @param {Object} a The object to compare to `b`. - * @param {Object} b The object to compare to `a`. - * @returns {number} Returns the sort order indicator of `1` or `-1`. - */ - function compareAscending(a, b) { - var ac = a.criteria, - bc = b.criteria, - index = -1, - length = ac.length; - - while (++index < length) { - var value = ac[index], - other = bc[index]; - - if (value !== other) { - if (value > other || typeof value == 'undefined') { - return 1; - } - if (value < other || typeof other == 'undefined') { - return -1; - } - } - } - // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications - // that causes it, under certain circumstances, to return the same value for - // `a` and `b`. See https://github.com/jashkenas/underscore/pull/1247 - // - // This also ensures a stable sort in V8 and other engines. - // See http://code.google.com/p/v8/issues/detail?id=90 - return a.index - b.index; - } - - /** - * Creates a cache object to optimize linear searches of large arrays. - * - * @private - * @param {Array} [array=[]] The array to search. - * @returns {null|Object} Returns the cache object or `null` if caching should not be used. - */ - function createCache(array) { - var index = -1, - length = array.length, - first = array[0], - mid = array[(length / 2) | 0], - last = array[length - 1]; - - if (first && typeof first == 'object' && - mid && typeof mid == 'object' && last && typeof last == 'object') { - return false; - } - var cache = getObject(); - cache['false'] = cache['null'] = cache['true'] = cache['undefined'] = false; - - var result = getObject(); - result.array = array; - result.cache = cache; - result.push = cachePush; - - while (++index < length) { - result.push(array[index]); - } - return result; - } - - /** - * Used by `template` to escape characters for inclusion in compiled - * string literals. - * - * @private - * @param {string} match The matched character to escape. - * @returns {string} Returns the escaped character. - */ - function escapeStringChar(match) { - return '\\' + stringEscapes[match]; - } - - /** - * Gets an array from the array pool or creates a new one if the pool is empty. - * - * @private - * @returns {Array} The array from the pool. - */ - function getArray() { - return arrayPool.pop() || []; - } - - /** - * Gets an object from the object pool or creates a new one if the pool is empty. - * - * @private - * @returns {Object} The object from the pool. - */ - function getObject() { - return objectPool.pop() || { - 'array': null, - 'cache': null, - 'criteria': null, - 'false': false, - 'index': 0, - 'null': false, - 'number': null, - 'object': null, - 'push': null, - 'string': null, - 'true': false, - 'undefined': false, - 'value': null - }; - } - - /** - * Releases the given array back to the array pool. - * - * @private - * @param {Array} [array] The array to release. - */ - function releaseArray(array) { - array.length = 0; - if (arrayPool.length < maxPoolSize) { - arrayPool.push(array); - } - } - - /** - * Releases the given object back to the object pool. - * - * @private - * @param {Object} [object] The object to release. - */ - function releaseObject(object) { - var cache = object.cache; - if (cache) { - releaseObject(cache); - } - object.array = object.cache = object.criteria = object.object = object.number = object.string = object.value = null; - if (objectPool.length < maxPoolSize) { - objectPool.push(object); - } - } - - /** - * Slices the `collection` from the `start` index up to, but not including, - * the `end` index. - * - * Note: This function is used instead of `Array#slice` to support node lists - * in IE < 9 and to ensure dense arrays are returned. - * - * @private - * @param {Array|Object|string} collection The collection to slice. - * @param {number} start The start index. - * @param {number} end The end index. - * @returns {Array} Returns the new array. - */ - function slice(array, start, end) { - start || (start = 0); - if (typeof end == 'undefined') { - end = array ? array.length : 0; - } - var index = -1, - length = end - start || 0, - result = Array(length < 0 ? 0 : length); - - while (++index < length) { - result[index] = array[start + index]; - } - return result; - } - - /*--------------------------------------------------------------------------*/ - - /** - * Create a new `lodash` function using the given context object. - * - * @static - * @memberOf _ - * @category Utilities - * @param {Object} [context=root] The context object. - * @returns {Function} Returns the `lodash` function. - */ - function runInContext(context) { - // Avoid issues with some ES3 environments that attempt to use values, named - // after built-in constructors like `Object`, for the creation of literals. - // ES5 clears this up by stating that literals must use built-in constructors. - // See http://es5.github.io/#x11.1.5. - context = context ? _.defaults(root.Object(), context, _.pick(root, contextProps)) : root; - - /** Native constructor references */ - var Array = context.Array, - Boolean = context.Boolean, - Date = context.Date, - Function = context.Function, - Math = context.Math, - Number = context.Number, - Object = context.Object, - RegExp = context.RegExp, - String = context.String, - TypeError = context.TypeError; - - /** - * Used for `Array` method references. - * - * Normally `Array.prototype` would suffice, however, using an array literal - * avoids issues in Narwhal. - */ - var arrayRef = []; - - /** Used for native method references */ - var objectProto = Object.prototype; - - /** Used to restore the original `_` reference in `noConflict` */ - var oldDash = context._; - - /** Used to resolve the internal [[Class]] of values */ - var toString = objectProto.toString; - - /** Used to detect if a method is native */ - var reNative = RegExp('^' + - String(toString) - .replace(/[.*+?^${}()|[\]\\]/g, '\\$&') - .replace(/toString| for [^\]]+/g, '.*?') + '$' - ); - - /** Native method shortcuts */ - var ceil = Math.ceil, - clearTimeout = context.clearTimeout, - floor = Math.floor, - fnToString = Function.prototype.toString, - getPrototypeOf = isNative(getPrototypeOf = Object.getPrototypeOf) && getPrototypeOf, - hasOwnProperty = objectProto.hasOwnProperty, - push = arrayRef.push, - setTimeout = context.setTimeout, - splice = arrayRef.splice, - unshift = arrayRef.unshift; - - /** Used to set meta data on functions */ - var defineProperty = (function() { - // IE 8 only accepts DOM elements - try { - var o = {}, - func = isNative(func = Object.defineProperty) && func, - result = func(o, o, o) && func; - } catch(e) { } - return result; - }()); - - /* Native method shortcuts for methods with the same name as other `lodash` methods */ - var nativeCreate = isNative(nativeCreate = Object.create) && nativeCreate, - nativeIsArray = isNative(nativeIsArray = Array.isArray) && nativeIsArray, - nativeIsFinite = context.isFinite, - nativeIsNaN = context.isNaN, - nativeKeys = isNative(nativeKeys = Object.keys) && nativeKeys, - nativeMax = Math.max, - nativeMin = Math.min, - nativeParseInt = context.parseInt, - nativeRandom = Math.random; - - /** Used to lookup a built-in constructor by [[Class]] */ - var ctorByClass = {}; - ctorByClass[arrayClass] = Array; - ctorByClass[boolClass] = Boolean; - ctorByClass[dateClass] = Date; - ctorByClass[funcClass] = Function; - ctorByClass[objectClass] = Object; - ctorByClass[numberClass] = Number; - ctorByClass[regexpClass] = RegExp; - ctorByClass[stringClass] = String; - - /*--------------------------------------------------------------------------*/ - - /** - * Creates a `lodash` object which wraps the given value to enable intuitive - * method chaining. - * - * In addition to Lo-Dash methods, wrappers also have the following `Array` methods: - * `concat`, `join`, `pop`, `push`, `reverse`, `shift`, `slice`, `sort`, `splice`, - * and `unshift` - * - * Chaining is supported in custom builds as long as the `value` method is - * implicitly or explicitly included in the build. - * - * The chainable wrapper functions are: - * `after`, `assign`, `bind`, `bindAll`, `bindKey`, `chain`, `compact`, - * `compose`, `concat`, `countBy`, `create`, `createCallback`, `curry`, - * `debounce`, `defaults`, `defer`, `delay`, `difference`, `filter`, `flatten`, - * `forEach`, `forEachRight`, `forIn`, `forInRight`, `forOwn`, `forOwnRight`, - * `functions`, `groupBy`, `indexBy`, `initial`, `intersection`, `invert`, - * `invoke`, `keys`, `map`, `max`, `memoize`, `merge`, `min`, `object`, `omit`, - * `once`, `pairs`, `partial`, `partialRight`, `pick`, `pluck`, `pull`, `push`, - * `range`, `reject`, `remove`, `rest`, `reverse`, `shuffle`, `slice`, `sort`, - * `sortBy`, `splice`, `tap`, `throttle`, `times`, `toArray`, `transform`, - * `union`, `uniq`, `unshift`, `unzip`, `values`, `where`, `without`, `wrap`, - * and `zip` - * - * The non-chainable wrapper functions are: - * `clone`, `cloneDeep`, `contains`, `escape`, `every`, `find`, `findIndex`, - * `findKey`, `findLast`, `findLastIndex`, `findLastKey`, `has`, `identity`, - * `indexOf`, `isArguments`, `isArray`, `isBoolean`, `isDate`, `isElement`, - * `isEmpty`, `isEqual`, `isFinite`, `isFunction`, `isNaN`, `isNull`, `isNumber`, - * `isObject`, `isPlainObject`, `isRegExp`, `isString`, `isUndefined`, `join`, - * `lastIndexOf`, `mixin`, `noConflict`, `parseInt`, `pop`, `random`, `reduce`, - * `reduceRight`, `result`, `shift`, `size`, `some`, `sortedIndex`, `runInContext`, - * `template`, `unescape`, `uniqueId`, and `value` - * - * The wrapper functions `first` and `last` return wrapped values when `n` is - * provided, otherwise they return unwrapped values. - * - * Explicit chaining can be enabled by using the `_.chain` method. - * - * @name _ - * @constructor - * @category Chaining - * @param {*} value The value to wrap in a `lodash` instance. - * @returns {Object} Returns a `lodash` instance. - * @example - * - * var wrapped = _([1, 2, 3]); - * - * // returns an unwrapped value - * wrapped.reduce(function(sum, num) { - * return sum + num; - * }); - * // => 6 - * - * // returns a wrapped value - * var squares = wrapped.map(function(num) { - * return num * num; - * }); - * - * _.isArray(squares); - * // => false - * - * _.isArray(squares.value()); - * // => true - */ - function lodash(value) { - // don't wrap if already wrapped, even if wrapped by a different `lodash` constructor - return (value && typeof value == 'object' && !isArray(value) && hasOwnProperty.call(value, '__wrapped__')) - ? value - : new lodashWrapper(value); - } - - /** - * A fast path for creating `lodash` wrapper objects. - * - * @private - * @param {*} value The value to wrap in a `lodash` instance. - * @param {boolean} chainAll A flag to enable chaining for all methods - * @returns {Object} Returns a `lodash` instance. - */ - function lodashWrapper(value, chainAll) { - this.__chain__ = !!chainAll; - this.__wrapped__ = value; - } - // ensure `new lodashWrapper` is an instance of `lodash` - lodashWrapper.prototype = lodash.prototype; - - /** - * An object used to flag environments features. - * - * @static - * @memberOf _ - * @type Object - */ - var support = lodash.support = {}; - - /** - * Detect if functions can be decompiled by `Function#toString` - * (all but PS3 and older Opera mobile browsers & avoided in Windows 8 apps). - * - * @memberOf _.support - * @type boolean - */ - support.funcDecomp = !isNative(context.WinRTError) && reThis.test(runInContext); - - /** - * Detect if `Function#name` is supported (all but IE). - * - * @memberOf _.support - * @type boolean - */ - support.funcNames = typeof Function.name == 'string'; - - /** - * By default, the template delimiters used by Lo-Dash are similar to those in - * embedded Ruby (ERB). Change the following template settings to use alternative - * delimiters. - * - * @static - * @memberOf _ - * @type Object - */ - lodash.templateSettings = { - - /** - * Used to detect `data` property values to be HTML-escaped. - * - * @memberOf _.templateSettings - * @type RegExp - */ - 'escape': /<%-([\s\S]+?)%>/g, - - /** - * Used to detect code to be evaluated. - * - * @memberOf _.templateSettings - * @type RegExp - */ - 'evaluate': /<%([\s\S]+?)%>/g, - - /** - * Used to detect `data` property values to inject. - * - * @memberOf _.templateSettings - * @type RegExp - */ - 'interpolate': reInterpolate, - - /** - * Used to reference the data object in the template text. - * - * @memberOf _.templateSettings - * @type string - */ - 'variable': '', - - /** - * Used to import variables into the compiled template. - * - * @memberOf _.templateSettings - * @type Object - */ - 'imports': { - - /** - * A reference to the `lodash` function. - * - * @memberOf _.templateSettings.imports - * @type Function - */ - '_': lodash - } - }; - - /*--------------------------------------------------------------------------*/ - - /** - * The base implementation of `_.bind` that creates the bound function and - * sets its meta data. - * - * @private - * @param {Array} bindData The bind data array. - * @returns {Function} Returns the new bound function. - */ - function baseBind(bindData) { - var func = bindData[0], - partialArgs = bindData[2], - thisArg = bindData[4]; - - function bound() { - // `Function#bind` spec - // http://es5.github.io/#x15.3.4.5 - if (partialArgs) { - // avoid `arguments` object deoptimizations by using `slice` instead - // of `Array.prototype.slice.call` and not assigning `arguments` to a - // variable as a ternary expression - var args = slice(partialArgs); - push.apply(args, arguments); - } - // mimic the constructor's `return` behavior - // http://es5.github.io/#x13.2.2 - if (this instanceof bound) { - // ensure `new bound` is an instance of `func` - var thisBinding = baseCreate(func.prototype), - result = func.apply(thisBinding, args || arguments); - return isObject(result) ? result : thisBinding; - } - return func.apply(thisArg, args || arguments); - } - setBindData(bound, bindData); - return bound; - } - - /** - * The base implementation of `_.clone` without argument juggling or support - * for `thisArg` binding. - * - * @private - * @param {*} value The value to clone. - * @param {boolean} [isDeep=false] Specify a deep clone. - * @param {Function} [callback] The function to customize cloning values. - * @param {Array} [stackA=[]] Tracks traversed source objects. - * @param {Array} [stackB=[]] Associates clones with source counterparts. - * @returns {*} Returns the cloned value. - */ - function baseClone(value, isDeep, callback, stackA, stackB) { - if (callback) { - var result = callback(value); - if (typeof result != 'undefined') { - return result; - } - } - // inspect [[Class]] - var isObj = isObject(value); - if (isObj) { - var className = toString.call(value); - if (!cloneableClasses[className]) { - return value; - } - var ctor = ctorByClass[className]; - switch (className) { - case boolClass: - case dateClass: - return new ctor(+value); - - case numberClass: - case stringClass: - return new ctor(value); - - case regexpClass: - result = ctor(value.source, reFlags.exec(value)); - result.lastIndex = value.lastIndex; - return result; - } - } else { - return value; - } - var isArr = isArray(value); - if (isDeep) { - // check for circular references and return corresponding clone - var initedStack = !stackA; - stackA || (stackA = getArray()); - stackB || (stackB = getArray()); - - var length = stackA.length; - while (length--) { - if (stackA[length] == value) { - return stackB[length]; - } - } - result = isArr ? ctor(value.length) : {}; - } - else { - result = isArr ? slice(value) : assign({}, value); - } - // add array properties assigned by `RegExp#exec` - if (isArr) { - if (hasOwnProperty.call(value, 'index')) { - result.index = value.index; - } - if (hasOwnProperty.call(value, 'input')) { - result.input = value.input; - } - } - // exit for shallow clone - if (!isDeep) { - return result; - } - // add the source value to the stack of traversed objects - // and associate it with its clone - stackA.push(value); - stackB.push(result); - - // recursively populate clone (susceptible to call stack limits) - (isArr ? forEach : forOwn)(value, function(objValue, key) { - result[key] = baseClone(objValue, isDeep, callback, stackA, stackB); - }); - - if (initedStack) { - releaseArray(stackA); - releaseArray(stackB); - } - return result; - } - - /** - * The base implementation of `_.create` without support for assigning - * properties to the created object. - * - * @private - * @param {Object} prototype The object to inherit from. - * @returns {Object} Returns the new object. - */ - function baseCreate(prototype, properties) { - return isObject(prototype) ? nativeCreate(prototype) : {}; - } - // fallback for browsers without `Object.create` - if (!nativeCreate) { - baseCreate = (function() { - function Object() {} - return function(prototype) { - if (isObject(prototype)) { - Object.prototype = prototype; - var result = new Object; - Object.prototype = null; - } - return result || context.Object(); - }; - }()); - } - - /** - * The base implementation of `_.createCallback` without support for creating - * "_.pluck" or "_.where" style callbacks. - * - * @private - * @param {*} [func=identity] The value to convert to a callback. - * @param {*} [thisArg] The `this` binding of the created callback. - * @param {number} [argCount] The number of arguments the callback accepts. - * @returns {Function} Returns a callback function. - */ - function baseCreateCallback(func, thisArg, argCount) { - if (typeof func != 'function') { - return identity; - } - // exit early for no `thisArg` or already bound by `Function#bind` - if (typeof thisArg == 'undefined' || !('prototype' in func)) { - return func; - } - var bindData = func.__bindData__; - if (typeof bindData == 'undefined') { - if (support.funcNames) { - bindData = !func.name; - } - bindData = bindData || !support.funcDecomp; - if (!bindData) { - var source = fnToString.call(func); - if (!support.funcNames) { - bindData = !reFuncName.test(source); - } - if (!bindData) { - // checks if `func` references the `this` keyword and stores the result - bindData = reThis.test(source); - setBindData(func, bindData); - } - } - } - // exit early if there are no `this` references or `func` is bound - if (bindData === false || (bindData !== true && bindData[1] & 1)) { - return func; - } - switch (argCount) { - case 1: return function(value) { - return func.call(thisArg, value); - }; - case 2: return function(a, b) { - return func.call(thisArg, a, b); - }; - case 3: return function(value, index, collection) { - return func.call(thisArg, value, index, collection); - }; - case 4: return function(accumulator, value, index, collection) { - return func.call(thisArg, accumulator, value, index, collection); - }; - } - return bind(func, thisArg); - } - - /** - * The base implementation of `createWrapper` that creates the wrapper and - * sets its meta data. - * - * @private - * @param {Array} bindData The bind data array. - * @returns {Function} Returns the new function. - */ - function baseCreateWrapper(bindData) { - var func = bindData[0], - bitmask = bindData[1], - partialArgs = bindData[2], - partialRightArgs = bindData[3], - thisArg = bindData[4], - arity = bindData[5]; - - var isBind = bitmask & 1, - isBindKey = bitmask & 2, - isCurry = bitmask & 4, - isCurryBound = bitmask & 8, - key = func; - - function bound() { - var thisBinding = isBind ? thisArg : this; - if (partialArgs) { - var args = slice(partialArgs); - push.apply(args, arguments); - } - if (partialRightArgs || isCurry) { - args || (args = slice(arguments)); - if (partialRightArgs) { - push.apply(args, partialRightArgs); - } - if (isCurry && args.length < arity) { - bitmask |= 16 & ~32; - return baseCreateWrapper([func, (isCurryBound ? bitmask : bitmask & ~3), args, null, thisArg, arity]); - } - } - args || (args = arguments); - if (isBindKey) { - func = thisBinding[key]; - } - if (this instanceof bound) { - thisBinding = baseCreate(func.prototype); - var result = func.apply(thisBinding, args); - return isObject(result) ? result : thisBinding; - } - return func.apply(thisBinding, args); - } - setBindData(bound, bindData); - return bound; - } - - /** - * The base implementation of `_.difference` that accepts a single array - * of values to exclude. - * - * @private - * @param {Array} array The array to process. - * @param {Array} [values] The array of values to exclude. - * @returns {Array} Returns a new array of filtered values. - */ - function baseDifference(array, values) { - var index = -1, - indexOf = getIndexOf(), - length = array ? array.length : 0, - isLarge = length >= largeArraySize && indexOf === baseIndexOf, - result = []; - - if (isLarge) { - var cache = createCache(values); - if (cache) { - indexOf = cacheIndexOf; - values = cache; - } else { - isLarge = false; - } - } - while (++index < length) { - var value = array[index]; - if (indexOf(values, value) < 0) { - result.push(value); - } - } - if (isLarge) { - releaseObject(values); - } - return result; - } - - /** - * The base implementation of `_.flatten` without support for callback - * shorthands or `thisArg` binding. - * - * @private - * @param {Array} array The array to flatten. - * @param {boolean} [isShallow=false] A flag to restrict flattening to a single level. - * @param {boolean} [isStrict=false] A flag to restrict flattening to arrays and `arguments` objects. - * @param {number} [fromIndex=0] The index to start from. - * @returns {Array} Returns a new flattened array. - */ - function baseFlatten(array, isShallow, isStrict, fromIndex) { - var index = (fromIndex || 0) - 1, - length = array ? array.length : 0, - result = []; - - while (++index < length) { - var value = array[index]; - - if (value && typeof value == 'object' && typeof value.length == 'number' - && (isArray(value) || isArguments(value))) { - // recursively flatten arrays (susceptible to call stack limits) - if (!isShallow) { - value = baseFlatten(value, isShallow, isStrict); - } - var valIndex = -1, - valLength = value.length, - resIndex = result.length; - - result.length += valLength; - while (++valIndex < valLength) { - result[resIndex++] = value[valIndex]; - } - } else if (!isStrict) { - result.push(value); - } - } - return result; - } - - /** - * The base implementation of `_.isEqual`, without support for `thisArg` binding, - * that allows partial "_.where" style comparisons. - * - * @private - * @param {*} a The value to compare. - * @param {*} b The other value to compare. - * @param {Function} [callback] The function to customize comparing values. - * @param {Function} [isWhere=false] A flag to indicate performing partial comparisons. - * @param {Array} [stackA=[]] Tracks traversed `a` objects. - * @param {Array} [stackB=[]] Tracks traversed `b` objects. - * @returns {boolean} Returns `true` if the values are equivalent, else `false`. - */ - function baseIsEqual(a, b, callback, isWhere, stackA, stackB) { - // used to indicate that when comparing objects, `a` has at least the properties of `b` - if (callback) { - var result = callback(a, b); - if (typeof result != 'undefined') { - return !!result; - } - } - // exit early for identical values - if (a === b) { - // treat `+0` vs. `-0` as not equal - return a !== 0 || (1 / a == 1 / b); - } - var type = typeof a, - otherType = typeof b; - - // exit early for unlike primitive values - if (a === a && - !(a && objectTypes[type]) && - !(b && objectTypes[otherType])) { - return false; - } - // exit early for `null` and `undefined` avoiding ES3's Function#call behavior - // http://es5.github.io/#x15.3.4.4 - if (a == null || b == null) { - return a === b; - } - // compare [[Class]] names - var className = toString.call(a), - otherClass = toString.call(b); - - if (className == argsClass) { - className = objectClass; - } - if (otherClass == argsClass) { - otherClass = objectClass; - } - if (className != otherClass) { - return false; - } - switch (className) { - case boolClass: - case dateClass: - // coerce dates and booleans to numbers, dates to milliseconds and booleans - // to `1` or `0` treating invalid dates coerced to `NaN` as not equal - return +a == +b; - - case numberClass: - // treat `NaN` vs. `NaN` as equal - return (a != +a) - ? b != +b - // but treat `+0` vs. `-0` as not equal - : (a == 0 ? (1 / a == 1 / b) : a == +b); - - case regexpClass: - case stringClass: - // coerce regexes to strings (http://es5.github.io/#x15.10.6.4) - // treat string primitives and their corresponding object instances as equal - return a == String(b); - } - var isArr = className == arrayClass; - if (!isArr) { - // unwrap any `lodash` wrapped values - var aWrapped = hasOwnProperty.call(a, '__wrapped__'), - bWrapped = hasOwnProperty.call(b, '__wrapped__'); - - if (aWrapped || bWrapped) { - return baseIsEqual(aWrapped ? a.__wrapped__ : a, bWrapped ? b.__wrapped__ : b, callback, isWhere, stackA, stackB); - } - // exit for functions and DOM nodes - if (className != objectClass) { - return false; - } - // in older versions of Opera, `arguments` objects have `Array` constructors - var ctorA = a.constructor, - ctorB = b.constructor; - - // non `Object` object instances with different constructors are not equal - if (ctorA != ctorB && - !(isFunction(ctorA) && ctorA instanceof ctorA && isFunction(ctorB) && ctorB instanceof ctorB) && - ('constructor' in a && 'constructor' in b) - ) { - return false; - } - } - // assume cyclic structures are equal - // the algorithm for detecting cyclic structures is adapted from ES 5.1 - // section 15.12.3, abstract operation `JO` (http://es5.github.io/#x15.12.3) - var initedStack = !stackA; - stackA || (stackA = getArray()); - stackB || (stackB = getArray()); - - var length = stackA.length; - while (length--) { - if (stackA[length] == a) { - return stackB[length] == b; - } - } - var size = 0; - result = true; - - // add `a` and `b` to the stack of traversed objects - stackA.push(a); - stackB.push(b); - - // recursively compare objects and arrays (susceptible to call stack limits) - if (isArr) { - // compare lengths to determine if a deep comparison is necessary - length = a.length; - size = b.length; - result = size == length; - - if (result || isWhere) { - // deep compare the contents, ignoring non-numeric properties - while (size--) { - var index = length, - value = b[size]; - - if (isWhere) { - while (index--) { - if ((result = baseIsEqual(a[index], value, callback, isWhere, stackA, stackB))) { - break; - } - } - } else if (!(result = baseIsEqual(a[size], value, callback, isWhere, stackA, stackB))) { - break; - } - } - } - } - else { - // deep compare objects using `forIn`, instead of `forOwn`, to avoid `Object.keys` - // which, in this case, is more costly - forIn(b, function(value, key, b) { - if (hasOwnProperty.call(b, key)) { - // count the number of properties. - size++; - // deep compare each property value. - return (result = hasOwnProperty.call(a, key) && baseIsEqual(a[key], value, callback, isWhere, stackA, stackB)); - } - }); - - if (result && !isWhere) { - // ensure both objects have the same number of properties - forIn(a, function(value, key, a) { - if (hasOwnProperty.call(a, key)) { - // `size` will be `-1` if `a` has more properties than `b` - return (result = --size > -1); - } - }); - } - } - stackA.pop(); - stackB.pop(); - - if (initedStack) { - releaseArray(stackA); - releaseArray(stackB); - } - return result; - } - - /** - * The base implementation of `_.merge` without argument juggling or support - * for `thisArg` binding. - * - * @private - * @param {Object} object The destination object. - * @param {Object} source The source object. - * @param {Function} [callback] The function to customize merging properties. - * @param {Array} [stackA=[]] Tracks traversed source objects. - * @param {Array} [stackB=[]] Associates values with source counterparts. - */ - function baseMerge(object, source, callback, stackA, stackB) { - (isArray(source) ? forEach : forOwn)(source, function(source, key) { - var found, - isArr, - result = source, - value = object[key]; - - if (source && ((isArr = isArray(source)) || isPlainObject(source))) { - // avoid merging previously merged cyclic sources - var stackLength = stackA.length; - while (stackLength--) { - if ((found = stackA[stackLength] == source)) { - value = stackB[stackLength]; - break; - } - } - if (!found) { - var isShallow; - if (callback) { - result = callback(value, source); - if ((isShallow = typeof result != 'undefined')) { - value = result; - } - } - if (!isShallow) { - value = isArr - ? (isArray(value) ? value : []) - : (isPlainObject(value) ? value : {}); - } - // add `source` and associated `value` to the stack of traversed objects - stackA.push(source); - stackB.push(value); - - // recursively merge objects and arrays (susceptible to call stack limits) - if (!isShallow) { - baseMerge(value, source, callback, stackA, stackB); - } - } - } - else { - if (callback) { - result = callback(value, source); - if (typeof result == 'undefined') { - result = source; - } - } - if (typeof result != 'undefined') { - value = result; - } - } - object[key] = value; - }); - } - - /** - * The base implementation of `_.random` without argument juggling or support - * for returning floating-point numbers. - * - * @private - * @param {number} min The minimum possible value. - * @param {number} max The maximum possible value. - * @returns {number} Returns a random number. - */ - function baseRandom(min, max) { - return min + floor(nativeRandom() * (max - min + 1)); - } - - /** - * The base implementation of `_.uniq` without support for callback shorthands - * or `thisArg` binding. - * - * @private - * @param {Array} array The array to process. - * @param {boolean} [isSorted=false] A flag to indicate that `array` is sorted. - * @param {Function} [callback] The function called per iteration. - * @returns {Array} Returns a duplicate-value-free array. - */ - function baseUniq(array, isSorted, callback) { - var index = -1, - indexOf = getIndexOf(), - length = array ? array.length : 0, - result = []; - - var isLarge = !isSorted && length >= largeArraySize && indexOf === baseIndexOf, - seen = (callback || isLarge) ? getArray() : result; - - if (isLarge) { - var cache = createCache(seen); - indexOf = cacheIndexOf; - seen = cache; - } - while (++index < length) { - var value = array[index], - computed = callback ? callback(value, index, array) : value; - - if (isSorted - ? !index || seen[seen.length - 1] !== computed - : indexOf(seen, computed) < 0 - ) { - if (callback || isLarge) { - seen.push(computed); - } - result.push(value); - } - } - if (isLarge) { - releaseArray(seen.array); - releaseObject(seen); - } else if (callback) { - releaseArray(seen); - } - return result; - } - - /** - * Creates a function that aggregates a collection, creating an object composed - * of keys generated from the results of running each element of the collection - * through a callback. The given `setter` function sets the keys and values - * of the composed object. - * - * @private - * @param {Function} setter The setter function. - * @returns {Function} Returns the new aggregator function. - */ - function createAggregator(setter) { - return function(collection, callback, thisArg) { - var result = {}; - callback = lodash.createCallback(callback, thisArg, 3); - - var index = -1, - length = collection ? collection.length : 0; - - if (typeof length == 'number') { - while (++index < length) { - var value = collection[index]; - setter(result, value, callback(value, index, collection), collection); - } - } else { - forOwn(collection, function(value, key, collection) { - setter(result, value, callback(value, key, collection), collection); - }); - } - return result; - }; - } - - /** - * Creates a function that, when called, either curries or invokes `func` - * with an optional `this` binding and partially applied arguments. - * - * @private - * @param {Function|string} func The function or method name to reference. - * @param {number} bitmask The bitmask of method flags to compose. - * The bitmask may be composed of the following flags: - * 1 - `_.bind` - * 2 - `_.bindKey` - * 4 - `_.curry` - * 8 - `_.curry` (bound) - * 16 - `_.partial` - * 32 - `_.partialRight` - * @param {Array} [partialArgs] An array of arguments to prepend to those - * provided to the new function. - * @param {Array} [partialRightArgs] An array of arguments to append to those - * provided to the new function. - * @param {*} [thisArg] The `this` binding of `func`. - * @param {number} [arity] The arity of `func`. - * @returns {Function} Returns the new function. - */ - function createWrapper(func, bitmask, partialArgs, partialRightArgs, thisArg, arity) { - var isBind = bitmask & 1, - isBindKey = bitmask & 2, - isCurry = bitmask & 4, - isCurryBound = bitmask & 8, - isPartial = bitmask & 16, - isPartialRight = bitmask & 32; - - if (!isBindKey && !isFunction(func)) { - throw new TypeError; - } - if (isPartial && !partialArgs.length) { - bitmask &= ~16; - isPartial = partialArgs = false; - } - if (isPartialRight && !partialRightArgs.length) { - bitmask &= ~32; - isPartialRight = partialRightArgs = false; - } - var bindData = func && func.__bindData__; - if (bindData && bindData !== true) { - // clone `bindData` - bindData = slice(bindData); - if (bindData[2]) { - bindData[2] = slice(bindData[2]); - } - if (bindData[3]) { - bindData[3] = slice(bindData[3]); - } - // set `thisBinding` is not previously bound - if (isBind && !(bindData[1] & 1)) { - bindData[4] = thisArg; - } - // set if previously bound but not currently (subsequent curried functions) - if (!isBind && bindData[1] & 1) { - bitmask |= 8; - } - // set curried arity if not yet set - if (isCurry && !(bindData[1] & 4)) { - bindData[5] = arity; - } - // append partial left arguments - if (isPartial) { - push.apply(bindData[2] || (bindData[2] = []), partialArgs); - } - // append partial right arguments - if (isPartialRight) { - unshift.apply(bindData[3] || (bindData[3] = []), partialRightArgs); - } - // merge flags - bindData[1] |= bitmask; - return createWrapper.apply(null, bindData); - } - // fast path for `_.bind` - var creater = (bitmask == 1 || bitmask === 17) ? baseBind : baseCreateWrapper; - return creater([func, bitmask, partialArgs, partialRightArgs, thisArg, arity]); - } - - /** - * Used by `escape` to convert characters to HTML entities. - * - * @private - * @param {string} match The matched character to escape. - * @returns {string} Returns the escaped character. - */ - function escapeHtmlChar(match) { - return htmlEscapes[match]; - } - - /** - * Gets the appropriate "indexOf" function. If the `_.indexOf` method is - * customized, this method returns the custom method, otherwise it returns - * the `baseIndexOf` function. - * - * @private - * @returns {Function} Returns the "indexOf" function. - */ - function getIndexOf() { - var result = (result = lodash.indexOf) === indexOf ? baseIndexOf : result; - return result; - } - - /** - * Checks if `value` is a native function. - * - * @private - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a native function, else `false`. - */ - function isNative(value) { - return typeof value == 'function' && reNative.test(value); - } - - /** - * Sets `this` binding data on a given function. - * - * @private - * @param {Function} func The function to set data on. - * @param {Array} value The data array to set. - */ - var setBindData = !defineProperty ? noop : function(func, value) { - descriptor.value = value; - defineProperty(func, '__bindData__', descriptor); - }; - - /** - * A fallback implementation of `isPlainObject` which checks if a given value - * is an object created by the `Object` constructor, assuming objects created - * by the `Object` constructor have no inherited enumerable properties and that - * there are no `Object.prototype` extensions. - * - * @private - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is a plain object, else `false`. - */ - function shimIsPlainObject(value) { - var ctor, - result; - - // avoid non Object objects, `arguments` objects, and DOM elements - if (!(value && toString.call(value) == objectClass) || - (ctor = value.constructor, isFunction(ctor) && !(ctor instanceof ctor))) { - return false; - } - // In most environments an object's own properties are iterated before - // its inherited properties. If the last iterated property is an object's - // own property then there are no inherited enumerable properties. - forIn(value, function(value, key) { - result = key; - }); - return typeof result == 'undefined' || hasOwnProperty.call(value, result); - } - - /** - * Used by `unescape` to convert HTML entities to characters. - * - * @private - * @param {string} match The matched character to unescape. - * @returns {string} Returns the unescaped character. - */ - function unescapeHtmlChar(match) { - return htmlUnescapes[match]; - } - - /*--------------------------------------------------------------------------*/ - - /** - * Checks if `value` is an `arguments` object. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is an `arguments` object, else `false`. - * @example - * - * (function() { return _.isArguments(arguments); })(1, 2, 3); - * // => true - * - * _.isArguments([1, 2, 3]); - * // => false - */ - function isArguments(value) { - return value && typeof value == 'object' && typeof value.length == 'number' && - toString.call(value) == argsClass || false; - } - - /** - * Checks if `value` is an array. - * - * @static - * @memberOf _ - * @type Function - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is an array, else `false`. - * @example - * - * (function() { return _.isArray(arguments); })(); - * // => false - * - * _.isArray([1, 2, 3]); - * // => true - */ - var isArray = nativeIsArray || function(value) { - return value && typeof value == 'object' && typeof value.length == 'number' && - toString.call(value) == arrayClass || false; - }; - - /** - * A fallback implementation of `Object.keys` which produces an array of the - * given object's own enumerable property names. - * - * @private - * @type Function - * @param {Object} object The object to inspect. - * @returns {Array} Returns an array of property names. - */ - var shimKeys = function(object) { - var index, iterable = object, result = []; - if (!iterable) return result; - if (!(objectTypes[typeof object])) return result; - for (index in iterable) { - if (hasOwnProperty.call(iterable, index)) { - result.push(index); - } - } - return result - }; - - /** - * Creates an array composed of the own enumerable property names of an object. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to inspect. - * @returns {Array} Returns an array of property names. - * @example - * - * _.keys({ 'one': 1, 'two': 2, 'three': 3 }); - * // => ['one', 'two', 'three'] (property order is not guaranteed across environments) - */ - var keys = !nativeKeys ? shimKeys : function(object) { - if (!isObject(object)) { - return []; - } - return nativeKeys(object); - }; - - /** - * Used to convert characters to HTML entities: - * - * Though the `>` character is escaped for symmetry, characters like `>` and `/` - * don't require escaping in HTML and have no special meaning unless they're part - * of a tag or an unquoted attribute value. - * http://mathiasbynens.be/notes/ambiguous-ampersands (under "semi-related fun fact") - */ - var htmlEscapes = { - '&': '&', - '<': '<', - '>': '>', - '"': '"', - "'": ''' - }; - - /** Used to convert HTML entities to characters */ - var htmlUnescapes = invert(htmlEscapes); - - /** Used to match HTML entities and HTML characters */ - var reEscapedHtml = RegExp('(' + keys(htmlUnescapes).join('|') + ')', 'g'), - reUnescapedHtml = RegExp('[' + keys(htmlEscapes).join('') + ']', 'g'); - - /*--------------------------------------------------------------------------*/ - - /** - * Assigns own enumerable properties of source object(s) to the destination - * object. Subsequent sources will overwrite property assignments of previous - * sources. If a callback is provided it will be executed to produce the - * assigned values. The callback is bound to `thisArg` and invoked with two - * arguments; (objectValue, sourceValue). - * - * @static - * @memberOf _ - * @type Function - * @alias extend - * @category Objects - * @param {Object} object The destination object. - * @param {...Object} [source] The source objects. - * @param {Function} [callback] The function to customize assigning values. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns the destination object. - * @example - * - * _.assign({ 'name': 'fred' }, { 'employer': 'slate' }); - * // => { 'name': 'fred', 'employer': 'slate' } - * - * var defaults = _.partialRight(_.assign, function(a, b) { - * return typeof a == 'undefined' ? b : a; - * }); - * - * var object = { 'name': 'barney' }; - * defaults(object, { 'name': 'fred', 'employer': 'slate' }); - * // => { 'name': 'barney', 'employer': 'slate' } - */ - var assign = function(object, source, guard) { - var index, iterable = object, result = iterable; - if (!iterable) return result; - var args = arguments, - argsIndex = 0, - argsLength = typeof guard == 'number' ? 2 : args.length; - if (argsLength > 3 && typeof args[argsLength - 2] == 'function') { - var callback = baseCreateCallback(args[--argsLength - 1], args[argsLength--], 2); - } else if (argsLength > 2 && typeof args[argsLength - 1] == 'function') { - callback = args[--argsLength]; - } - while (++argsIndex < argsLength) { - iterable = args[argsIndex]; - if (iterable && objectTypes[typeof iterable]) { - var ownIndex = -1, - ownProps = objectTypes[typeof iterable] && keys(iterable), - length = ownProps ? ownProps.length : 0; - - while (++ownIndex < length) { - index = ownProps[ownIndex]; - result[index] = callback ? callback(result[index], iterable[index]) : iterable[index]; - } - } - } - return result - }; - - /** - * Creates a clone of `value`. If `isDeep` is `true` nested objects will also - * be cloned, otherwise they will be assigned by reference. If a callback - * is provided it will be executed to produce the cloned values. If the - * callback returns `undefined` cloning will be handled by the method instead. - * The callback is bound to `thisArg` and invoked with one argument; (value). - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to clone. - * @param {boolean} [isDeep=false] Specify a deep clone. - * @param {Function} [callback] The function to customize cloning values. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the cloned value. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * var shallow = _.clone(characters); - * shallow[0] === characters[0]; - * // => true - * - * var deep = _.clone(characters, true); - * deep[0] === characters[0]; - * // => false - * - * _.mixin({ - * 'clone': _.partialRight(_.clone, function(value) { - * return _.isElement(value) ? value.cloneNode(false) : undefined; - * }) - * }); - * - * var clone = _.clone(document.body); - * clone.childNodes.length; - * // => 0 - */ - function clone(value, isDeep, callback, thisArg) { - // allows working with "Collections" methods without using their `index` - // and `collection` arguments for `isDeep` and `callback` - if (typeof isDeep != 'boolean' && isDeep != null) { - thisArg = callback; - callback = isDeep; - isDeep = false; - } - return baseClone(value, isDeep, typeof callback == 'function' && baseCreateCallback(callback, thisArg, 1)); - } - - /** - * Creates a deep clone of `value`. If a callback is provided it will be - * executed to produce the cloned values. If the callback returns `undefined` - * cloning will be handled by the method instead. The callback is bound to - * `thisArg` and invoked with one argument; (value). - * - * Note: This method is loosely based on the structured clone algorithm. Functions - * and DOM nodes are **not** cloned. The enumerable properties of `arguments` objects and - * objects created by constructors other than `Object` are cloned to plain `Object` objects. - * See http://www.w3.org/TR/html5/infrastructure.html#internal-structured-cloning-algorithm. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to deep clone. - * @param {Function} [callback] The function to customize cloning values. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the deep cloned value. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * var deep = _.cloneDeep(characters); - * deep[0] === characters[0]; - * // => false - * - * var view = { - * 'label': 'docs', - * 'node': element - * }; - * - * var clone = _.cloneDeep(view, function(value) { - * return _.isElement(value) ? value.cloneNode(true) : undefined; - * }); - * - * clone.node == view.node; - * // => false - */ - function cloneDeep(value, callback, thisArg) { - return baseClone(value, true, typeof callback == 'function' && baseCreateCallback(callback, thisArg, 1)); - } - - /** - * Creates an object that inherits from the given `prototype` object. If a - * `properties` object is provided its own enumerable properties are assigned - * to the created object. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} prototype The object to inherit from. - * @param {Object} [properties] The properties to assign to the object. - * @returns {Object} Returns the new object. - * @example - * - * function Shape() { - * this.x = 0; - * this.y = 0; - * } - * - * function Circle() { - * Shape.call(this); - * } - * - * Circle.prototype = _.create(Shape.prototype, { 'constructor': Circle }); - * - * var circle = new Circle; - * circle instanceof Circle; - * // => true - * - * circle instanceof Shape; - * // => true - */ - function create(prototype, properties) { - var result = baseCreate(prototype); - return properties ? assign(result, properties) : result; - } - - /** - * Assigns own enumerable properties of source object(s) to the destination - * object for all destination properties that resolve to `undefined`. Once a - * property is set, additional defaults of the same property will be ignored. - * - * @static - * @memberOf _ - * @type Function - * @category Objects - * @param {Object} object The destination object. - * @param {...Object} [source] The source objects. - * @param- {Object} [guard] Allows working with `_.reduce` without using its - * `key` and `object` arguments as sources. - * @returns {Object} Returns the destination object. - * @example - * - * var object = { 'name': 'barney' }; - * _.defaults(object, { 'name': 'fred', 'employer': 'slate' }); - * // => { 'name': 'barney', 'employer': 'slate' } - */ - var defaults = function(object, source, guard) { - var index, iterable = object, result = iterable; - if (!iterable) return result; - var args = arguments, - argsIndex = 0, - argsLength = typeof guard == 'number' ? 2 : args.length; - while (++argsIndex < argsLength) { - iterable = args[argsIndex]; - if (iterable && objectTypes[typeof iterable]) { - var ownIndex = -1, - ownProps = objectTypes[typeof iterable] && keys(iterable), - length = ownProps ? ownProps.length : 0; - - while (++ownIndex < length) { - index = ownProps[ownIndex]; - if (typeof result[index] == 'undefined') result[index] = iterable[index]; - } - } - } - return result - }; - - /** - * This method is like `_.findIndex` except that it returns the key of the - * first element that passes the callback check, instead of the element itself. - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to search. - * @param {Function|Object|string} [callback=identity] The function called per - * iteration. If a property name or object is provided it will be used to - * create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {string|undefined} Returns the key of the found element, else `undefined`. - * @example - * - * var characters = { - * 'barney': { 'age': 36, 'blocked': false }, - * 'fred': { 'age': 40, 'blocked': true }, - * 'pebbles': { 'age': 1, 'blocked': false } - * }; - * - * _.findKey(characters, function(chr) { - * return chr.age < 40; - * }); - * // => 'barney' (property order is not guaranteed across environments) - * - * // using "_.where" callback shorthand - * _.findKey(characters, { 'age': 1 }); - * // => 'pebbles' - * - * // using "_.pluck" callback shorthand - * _.findKey(characters, 'blocked'); - * // => 'fred' - */ - function findKey(object, callback, thisArg) { - var result; - callback = lodash.createCallback(callback, thisArg, 3); - forOwn(object, function(value, key, object) { - if (callback(value, key, object)) { - result = key; - return false; - } - }); - return result; - } - - /** - * This method is like `_.findKey` except that it iterates over elements - * of a `collection` in the opposite order. - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to search. - * @param {Function|Object|string} [callback=identity] The function called per - * iteration. If a property name or object is provided it will be used to - * create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {string|undefined} Returns the key of the found element, else `undefined`. - * @example - * - * var characters = { - * 'barney': { 'age': 36, 'blocked': true }, - * 'fred': { 'age': 40, 'blocked': false }, - * 'pebbles': { 'age': 1, 'blocked': true } - * }; - * - * _.findLastKey(characters, function(chr) { - * return chr.age < 40; - * }); - * // => returns `pebbles`, assuming `_.findKey` returns `barney` - * - * // using "_.where" callback shorthand - * _.findLastKey(characters, { 'age': 40 }); - * // => 'fred' - * - * // using "_.pluck" callback shorthand - * _.findLastKey(characters, 'blocked'); - * // => 'pebbles' - */ - function findLastKey(object, callback, thisArg) { - var result; - callback = lodash.createCallback(callback, thisArg, 3); - forOwnRight(object, function(value, key, object) { - if (callback(value, key, object)) { - result = key; - return false; - } - }); - return result; - } - - /** - * Iterates over own and inherited enumerable properties of an object, - * executing the callback for each property. The callback is bound to `thisArg` - * and invoked with three arguments; (value, key, object). Callbacks may exit - * iteration early by explicitly returning `false`. - * - * @static - * @memberOf _ - * @type Function - * @category Objects - * @param {Object} object The object to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns `object`. - * @example - * - * function Shape() { - * this.x = 0; - * this.y = 0; - * } - * - * Shape.prototype.move = function(x, y) { - * this.x += x; - * this.y += y; - * }; - * - * _.forIn(new Shape, function(value, key) { - * console.log(key); - * }); - * // => logs 'x', 'y', and 'move' (property order is not guaranteed across environments) - */ - var forIn = function(collection, callback, thisArg) { - var index, iterable = collection, result = iterable; - if (!iterable) return result; - if (!objectTypes[typeof iterable]) return result; - callback = callback && typeof thisArg == 'undefined' ? callback : baseCreateCallback(callback, thisArg, 3); - for (index in iterable) { - if (callback(iterable[index], index, collection) === false) return result; - } - return result - }; - - /** - * This method is like `_.forIn` except that it iterates over elements - * of a `collection` in the opposite order. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns `object`. - * @example - * - * function Shape() { - * this.x = 0; - * this.y = 0; - * } - * - * Shape.prototype.move = function(x, y) { - * this.x += x; - * this.y += y; - * }; - * - * _.forInRight(new Shape, function(value, key) { - * console.log(key); - * }); - * // => logs 'move', 'y', and 'x' assuming `_.forIn ` logs 'x', 'y', and 'move' - */ - function forInRight(object, callback, thisArg) { - var pairs = []; - - forIn(object, function(value, key) { - pairs.push(key, value); - }); - - var length = pairs.length; - callback = baseCreateCallback(callback, thisArg, 3); - while (length--) { - if (callback(pairs[length--], pairs[length], object) === false) { - break; - } - } - return object; - } - - /** - * Iterates over own enumerable properties of an object, executing the callback - * for each property. The callback is bound to `thisArg` and invoked with three - * arguments; (value, key, object). Callbacks may exit iteration early by - * explicitly returning `false`. - * - * @static - * @memberOf _ - * @type Function - * @category Objects - * @param {Object} object The object to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns `object`. - * @example - * - * _.forOwn({ '0': 'zero', '1': 'one', 'length': 2 }, function(num, key) { - * console.log(key); - * }); - * // => logs '0', '1', and 'length' (property order is not guaranteed across environments) - */ - var forOwn = function(collection, callback, thisArg) { - var index, iterable = collection, result = iterable; - if (!iterable) return result; - if (!objectTypes[typeof iterable]) return result; - callback = callback && typeof thisArg == 'undefined' ? callback : baseCreateCallback(callback, thisArg, 3); - var ownIndex = -1, - ownProps = objectTypes[typeof iterable] && keys(iterable), - length = ownProps ? ownProps.length : 0; - - while (++ownIndex < length) { - index = ownProps[ownIndex]; - if (callback(iterable[index], index, collection) === false) return result; - } - return result - }; - - /** - * This method is like `_.forOwn` except that it iterates over elements - * of a `collection` in the opposite order. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns `object`. - * @example - * - * _.forOwnRight({ '0': 'zero', '1': 'one', 'length': 2 }, function(num, key) { - * console.log(key); - * }); - * // => logs 'length', '1', and '0' assuming `_.forOwn` logs '0', '1', and 'length' - */ - function forOwnRight(object, callback, thisArg) { - var props = keys(object), - length = props.length; - - callback = baseCreateCallback(callback, thisArg, 3); - while (length--) { - var key = props[length]; - if (callback(object[key], key, object) === false) { - break; - } - } - return object; - } - - /** - * Creates a sorted array of property names of all enumerable properties, - * own and inherited, of `object` that have function values. - * - * @static - * @memberOf _ - * @alias methods - * @category Objects - * @param {Object} object The object to inspect. - * @returns {Array} Returns an array of property names that have function values. - * @example - * - * _.functions(_); - * // => ['all', 'any', 'bind', 'bindAll', 'clone', 'compact', 'compose', ...] - */ - function functions(object) { - var result = []; - forIn(object, function(value, key) { - if (isFunction(value)) { - result.push(key); - } - }); - return result.sort(); - } - - /** - * Checks if the specified property name exists as a direct property of `object`, - * instead of an inherited property. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to inspect. - * @param {string} key The name of the property to check. - * @returns {boolean} Returns `true` if key is a direct property, else `false`. - * @example - * - * _.has({ 'a': 1, 'b': 2, 'c': 3 }, 'b'); - * // => true - */ - function has(object, key) { - return object ? hasOwnProperty.call(object, key) : false; - } - - /** - * Creates an object composed of the inverted keys and values of the given object. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to invert. - * @returns {Object} Returns the created inverted object. - * @example - * - * _.invert({ 'first': 'fred', 'second': 'barney' }); - * // => { 'fred': 'first', 'barney': 'second' } - */ - function invert(object) { - var index = -1, - props = keys(object), - length = props.length, - result = {}; - - while (++index < length) { - var key = props[index]; - result[object[key]] = key; - } - return result; - } - - /** - * Checks if `value` is a boolean value. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a boolean value, else `false`. - * @example - * - * _.isBoolean(null); - * // => false - */ - function isBoolean(value) { - return value === true || value === false || - value && typeof value == 'object' && toString.call(value) == boolClass || false; - } - - /** - * Checks if `value` is a date. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a date, else `false`. - * @example - * - * _.isDate(new Date); - * // => true - */ - function isDate(value) { - return value && typeof value == 'object' && toString.call(value) == dateClass || false; - } - - /** - * Checks if `value` is a DOM element. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a DOM element, else `false`. - * @example - * - * _.isElement(document.body); - * // => true - */ - function isElement(value) { - return value && value.nodeType === 1 || false; - } - - /** - * Checks if `value` is empty. Arrays, strings, or `arguments` objects with a - * length of `0` and objects with no own enumerable properties are considered - * "empty". - * - * @static - * @memberOf _ - * @category Objects - * @param {Array|Object|string} value The value to inspect. - * @returns {boolean} Returns `true` if the `value` is empty, else `false`. - * @example - * - * _.isEmpty([1, 2, 3]); - * // => false - * - * _.isEmpty({}); - * // => true - * - * _.isEmpty(''); - * // => true - */ - function isEmpty(value) { - var result = true; - if (!value) { - return result; - } - var className = toString.call(value), - length = value.length; - - if ((className == arrayClass || className == stringClass || className == argsClass ) || - (className == objectClass && typeof length == 'number' && isFunction(value.splice))) { - return !length; - } - forOwn(value, function() { - return (result = false); - }); - return result; - } - - /** - * Performs a deep comparison between two values to determine if they are - * equivalent to each other. If a callback is provided it will be executed - * to compare values. If the callback returns `undefined` comparisons will - * be handled by the method instead. The callback is bound to `thisArg` and - * invoked with two arguments; (a, b). - * - * @static - * @memberOf _ - * @category Objects - * @param {*} a The value to compare. - * @param {*} b The other value to compare. - * @param {Function} [callback] The function to customize comparing values. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {boolean} Returns `true` if the values are equivalent, else `false`. - * @example - * - * var object = { 'name': 'fred' }; - * var copy = { 'name': 'fred' }; - * - * object == copy; - * // => false - * - * _.isEqual(object, copy); - * // => true - * - * var words = ['hello', 'goodbye']; - * var otherWords = ['hi', 'goodbye']; - * - * _.isEqual(words, otherWords, function(a, b) { - * var reGreet = /^(?:hello|hi)$/i, - * aGreet = _.isString(a) && reGreet.test(a), - * bGreet = _.isString(b) && reGreet.test(b); - * - * return (aGreet || bGreet) ? (aGreet == bGreet) : undefined; - * }); - * // => true - */ - function isEqual(a, b, callback, thisArg) { - return baseIsEqual(a, b, typeof callback == 'function' && baseCreateCallback(callback, thisArg, 2)); - } - - /** - * Checks if `value` is, or can be coerced to, a finite number. - * - * Note: This is not the same as native `isFinite` which will return true for - * booleans and empty strings. See http://es5.github.io/#x15.1.2.5. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is finite, else `false`. - * @example - * - * _.isFinite(-101); - * // => true - * - * _.isFinite('10'); - * // => true - * - * _.isFinite(true); - * // => false - * - * _.isFinite(''); - * // => false - * - * _.isFinite(Infinity); - * // => false - */ - function isFinite(value) { - return nativeIsFinite(value) && !nativeIsNaN(parseFloat(value)); - } - - /** - * Checks if `value` is a function. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a function, else `false`. - * @example - * - * _.isFunction(_); - * // => true - */ - function isFunction(value) { - return typeof value == 'function'; - } - - /** - * Checks if `value` is the language type of Object. - * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`) - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is an object, else `false`. - * @example - * - * _.isObject({}); - * // => true - * - * _.isObject([1, 2, 3]); - * // => true - * - * _.isObject(1); - * // => false - */ - function isObject(value) { - // check if the value is the ECMAScript language type of Object - // http://es5.github.io/#x8 - // and avoid a V8 bug - // http://code.google.com/p/v8/issues/detail?id=2291 - return !!(value && objectTypes[typeof value]); - } - - /** - * Checks if `value` is `NaN`. - * - * Note: This is not the same as native `isNaN` which will return `true` for - * `undefined` and other non-numeric values. See http://es5.github.io/#x15.1.2.4. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is `NaN`, else `false`. - * @example - * - * _.isNaN(NaN); - * // => true - * - * _.isNaN(new Number(NaN)); - * // => true - * - * isNaN(undefined); - * // => true - * - * _.isNaN(undefined); - * // => false - */ - function isNaN(value) { - // `NaN` as a primitive is the only value that is not equal to itself - // (perform the [[Class]] check first to avoid errors with some host objects in IE) - return isNumber(value) && value != +value; - } - - /** - * Checks if `value` is `null`. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is `null`, else `false`. - * @example - * - * _.isNull(null); - * // => true - * - * _.isNull(undefined); - * // => false - */ - function isNull(value) { - return value === null; - } - - /** - * Checks if `value` is a number. - * - * Note: `NaN` is considered a number. See http://es5.github.io/#x8.5. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a number, else `false`. - * @example - * - * _.isNumber(8.4 * 5); - * // => true - */ - function isNumber(value) { - return typeof value == 'number' || - value && typeof value == 'object' && toString.call(value) == numberClass || false; - } - - /** - * Checks if `value` is an object created by the `Object` constructor. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is a plain object, else `false`. - * @example - * - * function Shape() { - * this.x = 0; - * this.y = 0; - * } - * - * _.isPlainObject(new Shape); - * // => false - * - * _.isPlainObject([1, 2, 3]); - * // => false - * - * _.isPlainObject({ 'x': 0, 'y': 0 }); - * // => true - */ - var isPlainObject = !getPrototypeOf ? shimIsPlainObject : function(value) { - if (!(value && toString.call(value) == objectClass)) { - return false; - } - var valueOf = value.valueOf, - objProto = isNative(valueOf) && (objProto = getPrototypeOf(valueOf)) && getPrototypeOf(objProto); - - return objProto - ? (value == objProto || getPrototypeOf(value) == objProto) - : shimIsPlainObject(value); - }; - - /** - * Checks if `value` is a regular expression. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a regular expression, else `false`. - * @example - * - * _.isRegExp(/fred/); - * // => true - */ - function isRegExp(value) { - return value && typeof value == 'object' && toString.call(value) == regexpClass || false; - } - - /** - * Checks if `value` is a string. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a string, else `false`. - * @example - * - * _.isString('fred'); - * // => true - */ - function isString(value) { - return typeof value == 'string' || - value && typeof value == 'object' && toString.call(value) == stringClass || false; - } - - /** - * Checks if `value` is `undefined`. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is `undefined`, else `false`. - * @example - * - * _.isUndefined(void 0); - * // => true - */ - function isUndefined(value) { - return typeof value == 'undefined'; - } - - /** - * Creates an object with the same keys as `object` and values generated by - * running each own enumerable property of `object` through the callback. - * The callback is bound to `thisArg` and invoked with three arguments; - * (value, key, object). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a new object with values of the results of each `callback` execution. - * @example - * - * _.mapValues({ 'a': 1, 'b': 2, 'c': 3} , function(num) { return num * 3; }); - * // => { 'a': 3, 'b': 6, 'c': 9 } - * - * var characters = { - * 'fred': { 'name': 'fred', 'age': 40 }, - * 'pebbles': { 'name': 'pebbles', 'age': 1 } - * }; - * - * // using "_.pluck" callback shorthand - * _.mapValues(characters, 'age'); - * // => { 'fred': 40, 'pebbles': 1 } - */ - function mapValues(object, callback, thisArg) { - var result = {}; - callback = lodash.createCallback(callback, thisArg, 3); - - forOwn(object, function(value, key, object) { - result[key] = callback(value, key, object); - }); - return result; - } - - /** - * Recursively merges own enumerable properties of the source object(s), that - * don't resolve to `undefined` into the destination object. Subsequent sources - * will overwrite property assignments of previous sources. If a callback is - * provided it will be executed to produce the merged values of the destination - * and source properties. If the callback returns `undefined` merging will - * be handled by the method instead. The callback is bound to `thisArg` and - * invoked with two arguments; (objectValue, sourceValue). - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The destination object. - * @param {...Object} [source] The source objects. - * @param {Function} [callback] The function to customize merging properties. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns the destination object. - * @example - * - * var names = { - * 'characters': [ - * { 'name': 'barney' }, - * { 'name': 'fred' } - * ] - * }; - * - * var ages = { - * 'characters': [ - * { 'age': 36 }, - * { 'age': 40 } - * ] - * }; - * - * _.merge(names, ages); - * // => { 'characters': [{ 'name': 'barney', 'age': 36 }, { 'name': 'fred', 'age': 40 }] } - * - * var food = { - * 'fruits': ['apple'], - * 'vegetables': ['beet'] - * }; - * - * var otherFood = { - * 'fruits': ['banana'], - * 'vegetables': ['carrot'] - * }; - * - * _.merge(food, otherFood, function(a, b) { - * return _.isArray(a) ? a.concat(b) : undefined; - * }); - * // => { 'fruits': ['apple', 'banana'], 'vegetables': ['beet', 'carrot] } - */ - function merge(object) { - var args = arguments, - length = 2; - - if (!isObject(object)) { - return object; - } - // allows working with `_.reduce` and `_.reduceRight` without using - // their `index` and `collection` arguments - if (typeof args[2] != 'number') { - length = args.length; - } - if (length > 3 && typeof args[length - 2] == 'function') { - var callback = baseCreateCallback(args[--length - 1], args[length--], 2); - } else if (length > 2 && typeof args[length - 1] == 'function') { - callback = args[--length]; - } - var sources = slice(arguments, 1, length), - index = -1, - stackA = getArray(), - stackB = getArray(); - - while (++index < length) { - baseMerge(object, sources[index], callback, stackA, stackB); - } - releaseArray(stackA); - releaseArray(stackB); - return object; - } - - /** - * Creates a shallow clone of `object` excluding the specified properties. - * Property names may be specified as individual arguments or as arrays of - * property names. If a callback is provided it will be executed for each - * property of `object` omitting the properties the callback returns truey - * for. The callback is bound to `thisArg` and invoked with three arguments; - * (value, key, object). - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The source object. - * @param {Function|...string|string[]} [callback] The properties to omit or the - * function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns an object without the omitted properties. - * @example - * - * _.omit({ 'name': 'fred', 'age': 40 }, 'age'); - * // => { 'name': 'fred' } - * - * _.omit({ 'name': 'fred', 'age': 40 }, function(value) { - * return typeof value == 'number'; - * }); - * // => { 'name': 'fred' } - */ - function omit(object, callback, thisArg) { - var result = {}; - if (typeof callback != 'function') { - var props = []; - forIn(object, function(value, key) { - props.push(key); - }); - props = baseDifference(props, baseFlatten(arguments, true, false, 1)); - - var index = -1, - length = props.length; - - while (++index < length) { - var key = props[index]; - result[key] = object[key]; - } - } else { - callback = lodash.createCallback(callback, thisArg, 3); - forIn(object, function(value, key, object) { - if (!callback(value, key, object)) { - result[key] = value; - } - }); - } - return result; - } - - /** - * Creates a two dimensional array of an object's key-value pairs, - * i.e. `[[key1, value1], [key2, value2]]`. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to inspect. - * @returns {Array} Returns new array of key-value pairs. - * @example - * - * _.pairs({ 'barney': 36, 'fred': 40 }); - * // => [['barney', 36], ['fred', 40]] (property order is not guaranteed across environments) - */ - function pairs(object) { - var index = -1, - props = keys(object), - length = props.length, - result = Array(length); - - while (++index < length) { - var key = props[index]; - result[index] = [key, object[key]]; - } - return result; - } - - /** - * Creates a shallow clone of `object` composed of the specified properties. - * Property names may be specified as individual arguments or as arrays of - * property names. If a callback is provided it will be executed for each - * property of `object` picking the properties the callback returns truey - * for. The callback is bound to `thisArg` and invoked with three arguments; - * (value, key, object). - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The source object. - * @param {Function|...string|string[]} [callback] The function called per - * iteration or property names to pick, specified as individual property - * names or arrays of property names. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns an object composed of the picked properties. - * @example - * - * _.pick({ 'name': 'fred', '_userid': 'fred1' }, 'name'); - * // => { 'name': 'fred' } - * - * _.pick({ 'name': 'fred', '_userid': 'fred1' }, function(value, key) { - * return key.charAt(0) != '_'; - * }); - * // => { 'name': 'fred' } - */ - function pick(object, callback, thisArg) { - var result = {}; - if (typeof callback != 'function') { - var index = -1, - props = baseFlatten(arguments, true, false, 1), - length = isObject(object) ? props.length : 0; - - while (++index < length) { - var key = props[index]; - if (key in object) { - result[key] = object[key]; - } - } - } else { - callback = lodash.createCallback(callback, thisArg, 3); - forIn(object, function(value, key, object) { - if (callback(value, key, object)) { - result[key] = value; - } - }); - } - return result; - } - - /** - * An alternative to `_.reduce` this method transforms `object` to a new - * `accumulator` object which is the result of running each of its own - * enumerable properties through a callback, with each callback execution - * potentially mutating the `accumulator` object. The callback is bound to - * `thisArg` and invoked with four arguments; (accumulator, value, key, object). - * Callbacks may exit iteration early by explicitly returning `false`. - * - * @static - * @memberOf _ - * @category Objects - * @param {Array|Object} object The object to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [accumulator] The custom accumulator value. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the accumulated value. - * @example - * - * var squares = _.transform([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], function(result, num) { - * num *= num; - * if (num % 2) { - * return result.push(num) < 3; - * } - * }); - * // => [1, 9, 25] - * - * var mapped = _.transform({ 'a': 1, 'b': 2, 'c': 3 }, function(result, num, key) { - * result[key] = num * 3; - * }); - * // => { 'a': 3, 'b': 6, 'c': 9 } - */ - function transform(object, callback, accumulator, thisArg) { - var isArr = isArray(object); - if (accumulator == null) { - if (isArr) { - accumulator = []; - } else { - var ctor = object && object.constructor, - proto = ctor && ctor.prototype; - - accumulator = baseCreate(proto); - } - } - if (callback) { - callback = lodash.createCallback(callback, thisArg, 4); - (isArr ? forEach : forOwn)(object, function(value, index, object) { - return callback(accumulator, value, index, object); - }); - } - return accumulator; - } - - /** - * Creates an array composed of the own enumerable property values of `object`. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to inspect. - * @returns {Array} Returns an array of property values. - * @example - * - * _.values({ 'one': 1, 'two': 2, 'three': 3 }); - * // => [1, 2, 3] (property order is not guaranteed across environments) - */ - function values(object) { - var index = -1, - props = keys(object), - length = props.length, - result = Array(length); - - while (++index < length) { - result[index] = object[props[index]]; - } - return result; - } - - /*--------------------------------------------------------------------------*/ - - /** - * Creates an array of elements from the specified indexes, or keys, of the - * `collection`. Indexes may be specified as individual arguments or as arrays - * of indexes. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {...(number|number[]|string|string[])} [index] The indexes of `collection` - * to retrieve, specified as individual indexes or arrays of indexes. - * @returns {Array} Returns a new array of elements corresponding to the - * provided indexes. - * @example - * - * _.at(['a', 'b', 'c', 'd', 'e'], [0, 2, 4]); - * // => ['a', 'c', 'e'] - * - * _.at(['fred', 'barney', 'pebbles'], 0, 2); - * // => ['fred', 'pebbles'] - */ - function at(collection) { - var args = arguments, - index = -1, - props = baseFlatten(args, true, false, 1), - length = (args[2] && args[2][args[1]] === collection) ? 1 : props.length, - result = Array(length); - - while(++index < length) { - result[index] = collection[props[index]]; - } - return result; - } - - /** - * Checks if a given value is present in a collection using strict equality - * for comparisons, i.e. `===`. If `fromIndex` is negative, it is used as the - * offset from the end of the collection. - * - * @static - * @memberOf _ - * @alias include - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {*} target The value to check for. - * @param {number} [fromIndex=0] The index to search from. - * @returns {boolean} Returns `true` if the `target` element is found, else `false`. - * @example - * - * _.contains([1, 2, 3], 1); - * // => true - * - * _.contains([1, 2, 3], 1, 2); - * // => false - * - * _.contains({ 'name': 'fred', 'age': 40 }, 'fred'); - * // => true - * - * _.contains('pebbles', 'eb'); - * // => true - */ - function contains(collection, target, fromIndex) { - var index = -1, - indexOf = getIndexOf(), - length = collection ? collection.length : 0, - result = false; - - fromIndex = (fromIndex < 0 ? nativeMax(0, length + fromIndex) : fromIndex) || 0; - if (isArray(collection)) { - result = indexOf(collection, target, fromIndex) > -1; - } else if (typeof length == 'number') { - result = (isString(collection) ? collection.indexOf(target, fromIndex) : indexOf(collection, target, fromIndex)) > -1; - } else { - forOwn(collection, function(value) { - if (++index >= fromIndex) { - return !(result = value === target); - } - }); - } - return result; - } - - /** - * Creates an object composed of keys generated from the results of running - * each element of `collection` through the callback. The corresponding value - * of each key is the number of times the key was returned by the callback. - * The callback is bound to `thisArg` and invoked with three arguments; - * (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns the composed aggregate object. - * @example - * - * _.countBy([4.3, 6.1, 6.4], function(num) { return Math.floor(num); }); - * // => { '4': 1, '6': 2 } - * - * _.countBy([4.3, 6.1, 6.4], function(num) { return this.floor(num); }, Math); - * // => { '4': 1, '6': 2 } - * - * _.countBy(['one', 'two', 'three'], 'length'); - * // => { '3': 2, '5': 1 } - */ - var countBy = createAggregator(function(result, value, key) { - (hasOwnProperty.call(result, key) ? result[key]++ : result[key] = 1); - }); - - /** - * Checks if the given callback returns truey value for **all** elements of - * a collection. The callback is bound to `thisArg` and invoked with three - * arguments; (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias all - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {boolean} Returns `true` if all elements passed the callback check, - * else `false`. - * @example - * - * _.every([true, 1, null, 'yes']); - * // => false - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * // using "_.pluck" callback shorthand - * _.every(characters, 'age'); - * // => true - * - * // using "_.where" callback shorthand - * _.every(characters, { 'age': 36 }); - * // => false - */ - function every(collection, callback, thisArg) { - var result = true; - callback = lodash.createCallback(callback, thisArg, 3); - - var index = -1, - length = collection ? collection.length : 0; - - if (typeof length == 'number') { - while (++index < length) { - if (!(result = !!callback(collection[index], index, collection))) { - break; - } - } - } else { - forOwn(collection, function(value, index, collection) { - return (result = !!callback(value, index, collection)); - }); - } - return result; - } - - /** - * Iterates over elements of a collection, returning an array of all elements - * the callback returns truey for. The callback is bound to `thisArg` and - * invoked with three arguments; (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias select - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a new array of elements that passed the callback check. - * @example - * - * var evens = _.filter([1, 2, 3, 4, 5, 6], function(num) { return num % 2 == 0; }); - * // => [2, 4, 6] - * - * var characters = [ - * { 'name': 'barney', 'age': 36, 'blocked': false }, - * { 'name': 'fred', 'age': 40, 'blocked': true } - * ]; - * - * // using "_.pluck" callback shorthand - * _.filter(characters, 'blocked'); - * // => [{ 'name': 'fred', 'age': 40, 'blocked': true }] - * - * // using "_.where" callback shorthand - * _.filter(characters, { 'age': 36 }); - * // => [{ 'name': 'barney', 'age': 36, 'blocked': false }] - */ - function filter(collection, callback, thisArg) { - var result = []; - callback = lodash.createCallback(callback, thisArg, 3); - - var index = -1, - length = collection ? collection.length : 0; - - if (typeof length == 'number') { - while (++index < length) { - var value = collection[index]; - if (callback(value, index, collection)) { - result.push(value); - } - } - } else { - forOwn(collection, function(value, index, collection) { - if (callback(value, index, collection)) { - result.push(value); - } - }); - } - return result; - } - - /** - * Iterates over elements of a collection, returning the first element that - * the callback returns truey for. The callback is bound to `thisArg` and - * invoked with three arguments; (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias detect, findWhere - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the found element, else `undefined`. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36, 'blocked': false }, - * { 'name': 'fred', 'age': 40, 'blocked': true }, - * { 'name': 'pebbles', 'age': 1, 'blocked': false } - * ]; - * - * _.find(characters, function(chr) { - * return chr.age < 40; - * }); - * // => { 'name': 'barney', 'age': 36, 'blocked': false } - * - * // using "_.where" callback shorthand - * _.find(characters, { 'age': 1 }); - * // => { 'name': 'pebbles', 'age': 1, 'blocked': false } - * - * // using "_.pluck" callback shorthand - * _.find(characters, 'blocked'); - * // => { 'name': 'fred', 'age': 40, 'blocked': true } - */ - function find(collection, callback, thisArg) { - callback = lodash.createCallback(callback, thisArg, 3); - - var index = -1, - length = collection ? collection.length : 0; - - if (typeof length == 'number') { - while (++index < length) { - var value = collection[index]; - if (callback(value, index, collection)) { - return value; - } - } - } else { - var result; - forOwn(collection, function(value, index, collection) { - if (callback(value, index, collection)) { - result = value; - return false; - } - }); - return result; - } - } - - /** - * This method is like `_.find` except that it iterates over elements - * of a `collection` from right to left. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the found element, else `undefined`. - * @example - * - * _.findLast([1, 2, 3, 4], function(num) { - * return num % 2 == 1; - * }); - * // => 3 - */ - function findLast(collection, callback, thisArg) { - var result; - callback = lodash.createCallback(callback, thisArg, 3); - forEachRight(collection, function(value, index, collection) { - if (callback(value, index, collection)) { - result = value; - return false; - } - }); - return result; - } - - /** - * Iterates over elements of a collection, executing the callback for each - * element. The callback is bound to `thisArg` and invoked with three arguments; - * (value, index|key, collection). Callbacks may exit iteration early by - * explicitly returning `false`. - * - * Note: As with other "Collections" methods, objects with a `length` property - * are iterated like arrays. To avoid this behavior `_.forIn` or `_.forOwn` - * may be used for object iteration. - * - * @static - * @memberOf _ - * @alias each - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array|Object|string} Returns `collection`. - * @example - * - * _([1, 2, 3]).forEach(function(num) { console.log(num); }).join(','); - * // => logs each number and returns '1,2,3' - * - * _.forEach({ 'one': 1, 'two': 2, 'three': 3 }, function(num) { console.log(num); }); - * // => logs each number and returns the object (property order is not guaranteed across environments) - */ - function forEach(collection, callback, thisArg) { - var index = -1, - length = collection ? collection.length : 0; - - callback = callback && typeof thisArg == 'undefined' ? callback : baseCreateCallback(callback, thisArg, 3); - if (typeof length == 'number') { - while (++index < length) { - if (callback(collection[index], index, collection) === false) { - break; - } - } - } else { - forOwn(collection, callback); - } - return collection; - } - - /** - * This method is like `_.forEach` except that it iterates over elements - * of a `collection` from right to left. - * - * @static - * @memberOf _ - * @alias eachRight - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array|Object|string} Returns `collection`. - * @example - * - * _([1, 2, 3]).forEachRight(function(num) { console.log(num); }).join(','); - * // => logs each number from right to left and returns '3,2,1' - */ - function forEachRight(collection, callback, thisArg) { - var length = collection ? collection.length : 0; - callback = callback && typeof thisArg == 'undefined' ? callback : baseCreateCallback(callback, thisArg, 3); - if (typeof length == 'number') { - while (length--) { - if (callback(collection[length], length, collection) === false) { - break; - } - } - } else { - var props = keys(collection); - length = props.length; - forOwn(collection, function(value, key, collection) { - key = props ? props[--length] : --length; - return callback(collection[key], key, collection); - }); - } - return collection; - } - - /** - * Creates an object composed of keys generated from the results of running - * each element of a collection through the callback. The corresponding value - * of each key is an array of the elements responsible for generating the key. - * The callback is bound to `thisArg` and invoked with three arguments; - * (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false` - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns the composed aggregate object. - * @example - * - * _.groupBy([4.2, 6.1, 6.4], function(num) { return Math.floor(num); }); - * // => { '4': [4.2], '6': [6.1, 6.4] } - * - * _.groupBy([4.2, 6.1, 6.4], function(num) { return this.floor(num); }, Math); - * // => { '4': [4.2], '6': [6.1, 6.4] } - * - * // using "_.pluck" callback shorthand - * _.groupBy(['one', 'two', 'three'], 'length'); - * // => { '3': ['one', 'two'], '5': ['three'] } - */ - var groupBy = createAggregator(function(result, value, key) { - (hasOwnProperty.call(result, key) ? result[key] : result[key] = []).push(value); - }); - - /** - * Creates an object composed of keys generated from the results of running - * each element of the collection through the given callback. The corresponding - * value of each key is the last element responsible for generating the key. - * The callback is bound to `thisArg` and invoked with three arguments; - * (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns the composed aggregate object. - * @example - * - * var keys = [ - * { 'dir': 'left', 'code': 97 }, - * { 'dir': 'right', 'code': 100 } - * ]; - * - * _.indexBy(keys, 'dir'); - * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } } - * - * _.indexBy(keys, function(key) { return String.fromCharCode(key.code); }); - * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } } - * - * _.indexBy(characters, function(key) { this.fromCharCode(key.code); }, String); - * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } } - */ - var indexBy = createAggregator(function(result, value, key) { - result[key] = value; - }); - - /** - * Invokes the method named by `methodName` on each element in the `collection` - * returning an array of the results of each invoked method. Additional arguments - * will be provided to each invoked method. If `methodName` is a function it - * will be invoked for, and `this` bound to, each element in the `collection`. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|string} methodName The name of the method to invoke or - * the function invoked per iteration. - * @param {...*} [arg] Arguments to invoke the method with. - * @returns {Array} Returns a new array of the results of each invoked method. - * @example - * - * _.invoke([[5, 1, 7], [3, 2, 1]], 'sort'); - * // => [[1, 5, 7], [1, 2, 3]] - * - * _.invoke([123, 456], String.prototype.split, ''); - * // => [['1', '2', '3'], ['4', '5', '6']] - */ - function invoke(collection, methodName) { - var args = slice(arguments, 2), - index = -1, - isFunc = typeof methodName == 'function', - length = collection ? collection.length : 0, - result = Array(typeof length == 'number' ? length : 0); - - forEach(collection, function(value) { - result[++index] = (isFunc ? methodName : value[methodName]).apply(value, args); - }); - return result; - } - - /** - * Creates an array of values by running each element in the collection - * through the callback. The callback is bound to `thisArg` and invoked with - * three arguments; (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias collect - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a new array of the results of each `callback` execution. - * @example - * - * _.map([1, 2, 3], function(num) { return num * 3; }); - * // => [3, 6, 9] - * - * _.map({ 'one': 1, 'two': 2, 'three': 3 }, function(num) { return num * 3; }); - * // => [3, 6, 9] (property order is not guaranteed across environments) - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * // using "_.pluck" callback shorthand - * _.map(characters, 'name'); - * // => ['barney', 'fred'] - */ - function map(collection, callback, thisArg) { - var index = -1, - length = collection ? collection.length : 0; - - callback = lodash.createCallback(callback, thisArg, 3); - if (typeof length == 'number') { - var result = Array(length); - while (++index < length) { - result[index] = callback(collection[index], index, collection); - } - } else { - result = []; - forOwn(collection, function(value, key, collection) { - result[++index] = callback(value, key, collection); - }); - } - return result; - } - - /** - * Retrieves the maximum value of a collection. If the collection is empty or - * falsey `-Infinity` is returned. If a callback is provided it will be executed - * for each value in the collection to generate the criterion by which the value - * is ranked. The callback is bound to `thisArg` and invoked with three - * arguments; (value, index, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the maximum value. - * @example - * - * _.max([4, 2, 8, 6]); - * // => 8 - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * _.max(characters, function(chr) { return chr.age; }); - * // => { 'name': 'fred', 'age': 40 }; - * - * // using "_.pluck" callback shorthand - * _.max(characters, 'age'); - * // => { 'name': 'fred', 'age': 40 }; - */ - function max(collection, callback, thisArg) { - var computed = -Infinity, - result = computed; - - // allows working with functions like `_.map` without using - // their `index` argument as a callback - if (typeof callback != 'function' && thisArg && thisArg[callback] === collection) { - callback = null; - } - if (callback == null && isArray(collection)) { - var index = -1, - length = collection.length; - - while (++index < length) { - var value = collection[index]; - if (value > result) { - result = value; - } - } - } else { - callback = (callback == null && isString(collection)) - ? charAtCallback - : lodash.createCallback(callback, thisArg, 3); - - forEach(collection, function(value, index, collection) { - var current = callback(value, index, collection); - if (current > computed) { - computed = current; - result = value; - } - }); - } - return result; - } - - /** - * Retrieves the minimum value of a collection. If the collection is empty or - * falsey `Infinity` is returned. If a callback is provided it will be executed - * for each value in the collection to generate the criterion by which the value - * is ranked. The callback is bound to `thisArg` and invoked with three - * arguments; (value, index, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the minimum value. - * @example - * - * _.min([4, 2, 8, 6]); - * // => 2 - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * _.min(characters, function(chr) { return chr.age; }); - * // => { 'name': 'barney', 'age': 36 }; - * - * // using "_.pluck" callback shorthand - * _.min(characters, 'age'); - * // => { 'name': 'barney', 'age': 36 }; - */ - function min(collection, callback, thisArg) { - var computed = Infinity, - result = computed; - - // allows working with functions like `_.map` without using - // their `index` argument as a callback - if (typeof callback != 'function' && thisArg && thisArg[callback] === collection) { - callback = null; - } - if (callback == null && isArray(collection)) { - var index = -1, - length = collection.length; - - while (++index < length) { - var value = collection[index]; - if (value < result) { - result = value; - } - } - } else { - callback = (callback == null && isString(collection)) - ? charAtCallback - : lodash.createCallback(callback, thisArg, 3); - - forEach(collection, function(value, index, collection) { - var current = callback(value, index, collection); - if (current < computed) { - computed = current; - result = value; - } - }); - } - return result; - } - - /** - * Retrieves the value of a specified property from all elements in the collection. - * - * @static - * @memberOf _ - * @type Function - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {string} property The name of the property to pluck. - * @returns {Array} Returns a new array of property values. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * _.pluck(characters, 'name'); - * // => ['barney', 'fred'] - */ - var pluck = map; - - /** - * Reduces a collection to a value which is the accumulated result of running - * each element in the collection through the callback, where each successive - * callback execution consumes the return value of the previous execution. If - * `accumulator` is not provided the first element of the collection will be - * used as the initial `accumulator` value. The callback is bound to `thisArg` - * and invoked with four arguments; (accumulator, value, index|key, collection). - * - * @static - * @memberOf _ - * @alias foldl, inject - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [accumulator] Initial value of the accumulator. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the accumulated value. - * @example - * - * var sum = _.reduce([1, 2, 3], function(sum, num) { - * return sum + num; - * }); - * // => 6 - * - * var mapped = _.reduce({ 'a': 1, 'b': 2, 'c': 3 }, function(result, num, key) { - * result[key] = num * 3; - * return result; - * }, {}); - * // => { 'a': 3, 'b': 6, 'c': 9 } - */ - function reduce(collection, callback, accumulator, thisArg) { - if (!collection) return accumulator; - var noaccum = arguments.length < 3; - callback = lodash.createCallback(callback, thisArg, 4); - - var index = -1, - length = collection.length; - - if (typeof length == 'number') { - if (noaccum) { - accumulator = collection[++index]; - } - while (++index < length) { - accumulator = callback(accumulator, collection[index], index, collection); - } - } else { - forOwn(collection, function(value, index, collection) { - accumulator = noaccum - ? (noaccum = false, value) - : callback(accumulator, value, index, collection) - }); - } - return accumulator; - } - - /** - * This method is like `_.reduce` except that it iterates over elements - * of a `collection` from right to left. - * - * @static - * @memberOf _ - * @alias foldr - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [accumulator] Initial value of the accumulator. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the accumulated value. - * @example - * - * var list = [[0, 1], [2, 3], [4, 5]]; - * var flat = _.reduceRight(list, function(a, b) { return a.concat(b); }, []); - * // => [4, 5, 2, 3, 0, 1] - */ - function reduceRight(collection, callback, accumulator, thisArg) { - var noaccum = arguments.length < 3; - callback = lodash.createCallback(callback, thisArg, 4); - forEachRight(collection, function(value, index, collection) { - accumulator = noaccum - ? (noaccum = false, value) - : callback(accumulator, value, index, collection); - }); - return accumulator; - } - - /** - * The opposite of `_.filter` this method returns the elements of a - * collection that the callback does **not** return truey for. - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a new array of elements that failed the callback check. - * @example - * - * var odds = _.reject([1, 2, 3, 4, 5, 6], function(num) { return num % 2 == 0; }); - * // => [1, 3, 5] - * - * var characters = [ - * { 'name': 'barney', 'age': 36, 'blocked': false }, - * { 'name': 'fred', 'age': 40, 'blocked': true } - * ]; - * - * // using "_.pluck" callback shorthand - * _.reject(characters, 'blocked'); - * // => [{ 'name': 'barney', 'age': 36, 'blocked': false }] - * - * // using "_.where" callback shorthand - * _.reject(characters, { 'age': 36 }); - * // => [{ 'name': 'fred', 'age': 40, 'blocked': true }] - */ - function reject(collection, callback, thisArg) { - callback = lodash.createCallback(callback, thisArg, 3); - return filter(collection, function(value, index, collection) { - return !callback(value, index, collection); - }); - } - - /** - * Retrieves a random element or `n` random elements from a collection. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to sample. - * @param {number} [n] The number of elements to sample. - * @param- {Object} [guard] Allows working with functions like `_.map` - * without using their `index` arguments as `n`. - * @returns {Array} Returns the random sample(s) of `collection`. - * @example - * - * _.sample([1, 2, 3, 4]); - * // => 2 - * - * _.sample([1, 2, 3, 4], 2); - * // => [3, 1] - */ - function sample(collection, n, guard) { - if (collection && typeof collection.length != 'number') { - collection = values(collection); - } - if (n == null || guard) { - return collection ? collection[baseRandom(0, collection.length - 1)] : undefined; - } - var result = shuffle(collection); - result.length = nativeMin(nativeMax(0, n), result.length); - return result; - } - - /** - * Creates an array of shuffled values, using a version of the Fisher-Yates - * shuffle. See http://en.wikipedia.org/wiki/Fisher-Yates_shuffle. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to shuffle. - * @returns {Array} Returns a new shuffled collection. - * @example - * - * _.shuffle([1, 2, 3, 4, 5, 6]); - * // => [4, 1, 6, 3, 5, 2] - */ - function shuffle(collection) { - var index = -1, - length = collection ? collection.length : 0, - result = Array(typeof length == 'number' ? length : 0); - - forEach(collection, function(value) { - var rand = baseRandom(0, ++index); - result[index] = result[rand]; - result[rand] = value; - }); - return result; - } - - /** - * Gets the size of the `collection` by returning `collection.length` for arrays - * and array-like objects or the number of own enumerable properties for objects. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to inspect. - * @returns {number} Returns `collection.length` or number of own enumerable properties. - * @example - * - * _.size([1, 2]); - * // => 2 - * - * _.size({ 'one': 1, 'two': 2, 'three': 3 }); - * // => 3 - * - * _.size('pebbles'); - * // => 7 - */ - function size(collection) { - var length = collection ? collection.length : 0; - return typeof length == 'number' ? length : keys(collection).length; - } - - /** - * Checks if the callback returns a truey value for **any** element of a - * collection. The function returns as soon as it finds a passing value and - * does not iterate over the entire collection. The callback is bound to - * `thisArg` and invoked with three arguments; (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias any - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {boolean} Returns `true` if any element passed the callback check, - * else `false`. - * @example - * - * _.some([null, 0, 'yes', false], Boolean); - * // => true - * - * var characters = [ - * { 'name': 'barney', 'age': 36, 'blocked': false }, - * { 'name': 'fred', 'age': 40, 'blocked': true } - * ]; - * - * // using "_.pluck" callback shorthand - * _.some(characters, 'blocked'); - * // => true - * - * // using "_.where" callback shorthand - * _.some(characters, { 'age': 1 }); - * // => false - */ - function some(collection, callback, thisArg) { - var result; - callback = lodash.createCallback(callback, thisArg, 3); - - var index = -1, - length = collection ? collection.length : 0; - - if (typeof length == 'number') { - while (++index < length) { - if ((result = callback(collection[index], index, collection))) { - break; - } - } - } else { - forOwn(collection, function(value, index, collection) { - return !(result = callback(value, index, collection)); - }); - } - return !!result; - } - - /** - * Creates an array of elements, sorted in ascending order by the results of - * running each element in a collection through the callback. This method - * performs a stable sort, that is, it will preserve the original sort order - * of equal elements. The callback is bound to `thisArg` and invoked with - * three arguments; (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an array of property names is provided for `callback` the collection - * will be sorted by each property value. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Array|Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a new array of sorted elements. - * @example - * - * _.sortBy([1, 2, 3], function(num) { return Math.sin(num); }); - * // => [3, 1, 2] - * - * _.sortBy([1, 2, 3], function(num) { return this.sin(num); }, Math); - * // => [3, 1, 2] - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 }, - * { 'name': 'barney', 'age': 26 }, - * { 'name': 'fred', 'age': 30 } - * ]; - * - * // using "_.pluck" callback shorthand - * _.map(_.sortBy(characters, 'age'), _.values); - * // => [['barney', 26], ['fred', 30], ['barney', 36], ['fred', 40]] - * - * // sorting by multiple properties - * _.map(_.sortBy(characters, ['name', 'age']), _.values); - * // = > [['barney', 26], ['barney', 36], ['fred', 30], ['fred', 40]] - */ - function sortBy(collection, callback, thisArg) { - var index = -1, - isArr = isArray(callback), - length = collection ? collection.length : 0, - result = Array(typeof length == 'number' ? length : 0); - - if (!isArr) { - callback = lodash.createCallback(callback, thisArg, 3); - } - forEach(collection, function(value, key, collection) { - var object = result[++index] = getObject(); - if (isArr) { - object.criteria = map(callback, function(key) { return value[key]; }); - } else { - (object.criteria = getArray())[0] = callback(value, key, collection); - } - object.index = index; - object.value = value; - }); - - length = result.length; - result.sort(compareAscending); - while (length--) { - var object = result[length]; - result[length] = object.value; - if (!isArr) { - releaseArray(object.criteria); - } - releaseObject(object); - } - return result; - } - - /** - * Converts the `collection` to an array. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to convert. - * @returns {Array} Returns the new converted array. - * @example - * - * (function() { return _.toArray(arguments).slice(1); })(1, 2, 3, 4); - * // => [2, 3, 4] - */ - function toArray(collection) { - if (collection && typeof collection.length == 'number') { - return slice(collection); - } - return values(collection); - } - - /** - * Performs a deep comparison of each element in a `collection` to the given - * `properties` object, returning an array of all elements that have equivalent - * property values. - * - * @static - * @memberOf _ - * @type Function - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Object} props The object of property values to filter by. - * @returns {Array} Returns a new array of elements that have the given properties. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36, 'pets': ['hoppy'] }, - * { 'name': 'fred', 'age': 40, 'pets': ['baby puss', 'dino'] } - * ]; - * - * _.where(characters, { 'age': 36 }); - * // => [{ 'name': 'barney', 'age': 36, 'pets': ['hoppy'] }] - * - * _.where(characters, { 'pets': ['dino'] }); - * // => [{ 'name': 'fred', 'age': 40, 'pets': ['baby puss', 'dino'] }] - */ - var where = filter; - - /*--------------------------------------------------------------------------*/ - - /** - * Creates an array with all falsey values removed. The values `false`, `null`, - * `0`, `""`, `undefined`, and `NaN` are all falsey. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to compact. - * @returns {Array} Returns a new array of filtered values. - * @example - * - * _.compact([0, 1, false, 2, '', 3]); - * // => [1, 2, 3] - */ - function compact(array) { - var index = -1, - length = array ? array.length : 0, - result = []; - - while (++index < length) { - var value = array[index]; - if (value) { - result.push(value); - } - } - return result; - } - - /** - * Creates an array excluding all values of the provided arrays using strict - * equality for comparisons, i.e. `===`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to process. - * @param {...Array} [values] The arrays of values to exclude. - * @returns {Array} Returns a new array of filtered values. - * @example - * - * _.difference([1, 2, 3, 4, 5], [5, 2, 10]); - * // => [1, 3, 4] - */ - function difference(array) { - return baseDifference(array, baseFlatten(arguments, true, true, 1)); - } - - /** - * This method is like `_.find` except that it returns the index of the first - * element that passes the callback check, instead of the element itself. - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to search. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {number} Returns the index of the found element, else `-1`. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36, 'blocked': false }, - * { 'name': 'fred', 'age': 40, 'blocked': true }, - * { 'name': 'pebbles', 'age': 1, 'blocked': false } - * ]; - * - * _.findIndex(characters, function(chr) { - * return chr.age < 20; - * }); - * // => 2 - * - * // using "_.where" callback shorthand - * _.findIndex(characters, { 'age': 36 }); - * // => 0 - * - * // using "_.pluck" callback shorthand - * _.findIndex(characters, 'blocked'); - * // => 1 - */ - function findIndex(array, callback, thisArg) { - var index = -1, - length = array ? array.length : 0; - - callback = lodash.createCallback(callback, thisArg, 3); - while (++index < length) { - if (callback(array[index], index, array)) { - return index; - } - } - return -1; - } - - /** - * This method is like `_.findIndex` except that it iterates over elements - * of a `collection` from right to left. - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to search. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {number} Returns the index of the found element, else `-1`. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36, 'blocked': true }, - * { 'name': 'fred', 'age': 40, 'blocked': false }, - * { 'name': 'pebbles', 'age': 1, 'blocked': true } - * ]; - * - * _.findLastIndex(characters, function(chr) { - * return chr.age > 30; - * }); - * // => 1 - * - * // using "_.where" callback shorthand - * _.findLastIndex(characters, { 'age': 36 }); - * // => 0 - * - * // using "_.pluck" callback shorthand - * _.findLastIndex(characters, 'blocked'); - * // => 2 - */ - function findLastIndex(array, callback, thisArg) { - var length = array ? array.length : 0; - callback = lodash.createCallback(callback, thisArg, 3); - while (length--) { - if (callback(array[length], length, array)) { - return length; - } - } - return -1; - } - - /** - * Gets the first element or first `n` elements of an array. If a callback - * is provided elements at the beginning of the array are returned as long - * as the callback returns truey. The callback is bound to `thisArg` and - * invoked with three arguments; (value, index, array). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias head, take - * @category Arrays - * @param {Array} array The array to query. - * @param {Function|Object|number|string} [callback] The function called - * per element or the number of elements to return. If a property name or - * object is provided it will be used to create a "_.pluck" or "_.where" - * style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the first element(s) of `array`. - * @example - * - * _.first([1, 2, 3]); - * // => 1 - * - * _.first([1, 2, 3], 2); - * // => [1, 2] - * - * _.first([1, 2, 3], function(num) { - * return num < 3; - * }); - * // => [1, 2] - * - * var characters = [ - * { 'name': 'barney', 'blocked': true, 'employer': 'slate' }, - * { 'name': 'fred', 'blocked': false, 'employer': 'slate' }, - * { 'name': 'pebbles', 'blocked': true, 'employer': 'na' } - * ]; - * - * // using "_.pluck" callback shorthand - * _.first(characters, 'blocked'); - * // => [{ 'name': 'barney', 'blocked': true, 'employer': 'slate' }] - * - * // using "_.where" callback shorthand - * _.pluck(_.first(characters, { 'employer': 'slate' }), 'name'); - * // => ['barney', 'fred'] - */ - function first(array, callback, thisArg) { - var n = 0, - length = array ? array.length : 0; - - if (typeof callback != 'number' && callback != null) { - var index = -1; - callback = lodash.createCallback(callback, thisArg, 3); - while (++index < length && callback(array[index], index, array)) { - n++; - } - } else { - n = callback; - if (n == null || thisArg) { - return array ? array[0] : undefined; - } - } - return slice(array, 0, nativeMin(nativeMax(0, n), length)); - } - - /** - * Flattens a nested array (the nesting can be to any depth). If `isShallow` - * is truey, the array will only be flattened a single level. If a callback - * is provided each element of the array is passed through the callback before - * flattening. The callback is bound to `thisArg` and invoked with three - * arguments; (value, index, array). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to flatten. - * @param {boolean} [isShallow=false] A flag to restrict flattening to a single level. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a new flattened array. - * @example - * - * _.flatten([1, [2], [3, [[4]]]]); - * // => [1, 2, 3, 4]; - * - * _.flatten([1, [2], [3, [[4]]]], true); - * // => [1, 2, 3, [[4]]]; - * - * var characters = [ - * { 'name': 'barney', 'age': 30, 'pets': ['hoppy'] }, - * { 'name': 'fred', 'age': 40, 'pets': ['baby puss', 'dino'] } - * ]; - * - * // using "_.pluck" callback shorthand - * _.flatten(characters, 'pets'); - * // => ['hoppy', 'baby puss', 'dino'] - */ - function flatten(array, isShallow, callback, thisArg) { - // juggle arguments - if (typeof isShallow != 'boolean' && isShallow != null) { - thisArg = callback; - callback = (typeof isShallow != 'function' && thisArg && thisArg[isShallow] === array) ? null : isShallow; - isShallow = false; - } - if (callback != null) { - array = map(array, callback, thisArg); - } - return baseFlatten(array, isShallow); - } - - /** - * Gets the index at which the first occurrence of `value` is found using - * strict equality for comparisons, i.e. `===`. If the array is already sorted - * providing `true` for `fromIndex` will run a faster binary search. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to search. - * @param {*} value The value to search for. - * @param {boolean|number} [fromIndex=0] The index to search from or `true` - * to perform a binary search on a sorted array. - * @returns {number} Returns the index of the matched value or `-1`. - * @example - * - * _.indexOf([1, 2, 3, 1, 2, 3], 2); - * // => 1 - * - * _.indexOf([1, 2, 3, 1, 2, 3], 2, 3); - * // => 4 - * - * _.indexOf([1, 1, 2, 2, 3, 3], 2, true); - * // => 2 - */ - function indexOf(array, value, fromIndex) { - if (typeof fromIndex == 'number') { - var length = array ? array.length : 0; - fromIndex = (fromIndex < 0 ? nativeMax(0, length + fromIndex) : fromIndex || 0); - } else if (fromIndex) { - var index = sortedIndex(array, value); - return array[index] === value ? index : -1; - } - return baseIndexOf(array, value, fromIndex); - } - - /** - * Gets all but the last element or last `n` elements of an array. If a - * callback is provided elements at the end of the array are excluded from - * the result as long as the callback returns truey. The callback is bound - * to `thisArg` and invoked with three arguments; (value, index, array). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to query. - * @param {Function|Object|number|string} [callback=1] The function called - * per element or the number of elements to exclude. If a property name or - * object is provided it will be used to create a "_.pluck" or "_.where" - * style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a slice of `array`. - * @example - * - * _.initial([1, 2, 3]); - * // => [1, 2] - * - * _.initial([1, 2, 3], 2); - * // => [1] - * - * _.initial([1, 2, 3], function(num) { - * return num > 1; - * }); - * // => [1] - * - * var characters = [ - * { 'name': 'barney', 'blocked': false, 'employer': 'slate' }, - * { 'name': 'fred', 'blocked': true, 'employer': 'slate' }, - * { 'name': 'pebbles', 'blocked': true, 'employer': 'na' } - * ]; - * - * // using "_.pluck" callback shorthand - * _.initial(characters, 'blocked'); - * // => [{ 'name': 'barney', 'blocked': false, 'employer': 'slate' }] - * - * // using "_.where" callback shorthand - * _.pluck(_.initial(characters, { 'employer': 'na' }), 'name'); - * // => ['barney', 'fred'] - */ - function initial(array, callback, thisArg) { - var n = 0, - length = array ? array.length : 0; - - if (typeof callback != 'number' && callback != null) { - var index = length; - callback = lodash.createCallback(callback, thisArg, 3); - while (index-- && callback(array[index], index, array)) { - n++; - } - } else { - n = (callback == null || thisArg) ? 1 : callback || n; - } - return slice(array, 0, nativeMin(nativeMax(0, length - n), length)); - } - - /** - * Creates an array of unique values present in all provided arrays using - * strict equality for comparisons, i.e. `===`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {...Array} [array] The arrays to inspect. - * @returns {Array} Returns an array of shared values. - * @example - * - * _.intersection([1, 2, 3], [5, 2, 1, 4], [2, 1]); - * // => [1, 2] - */ - function intersection() { - var args = [], - argsIndex = -1, - argsLength = arguments.length, - caches = getArray(), - indexOf = getIndexOf(), - trustIndexOf = indexOf === baseIndexOf, - seen = getArray(); - - while (++argsIndex < argsLength) { - var value = arguments[argsIndex]; - if (isArray(value) || isArguments(value)) { - args.push(value); - caches.push(trustIndexOf && value.length >= largeArraySize && - createCache(argsIndex ? args[argsIndex] : seen)); - } - } - var array = args[0], - index = -1, - length = array ? array.length : 0, - result = []; - - outer: - while (++index < length) { - var cache = caches[0]; - value = array[index]; - - if ((cache ? cacheIndexOf(cache, value) : indexOf(seen, value)) < 0) { - argsIndex = argsLength; - (cache || seen).push(value); - while (--argsIndex) { - cache = caches[argsIndex]; - if ((cache ? cacheIndexOf(cache, value) : indexOf(args[argsIndex], value)) < 0) { - continue outer; - } - } - result.push(value); - } - } - while (argsLength--) { - cache = caches[argsLength]; - if (cache) { - releaseObject(cache); - } - } - releaseArray(caches); - releaseArray(seen); - return result; - } - - /** - * Gets the last element or last `n` elements of an array. If a callback is - * provided elements at the end of the array are returned as long as the - * callback returns truey. The callback is bound to `thisArg` and invoked - * with three arguments; (value, index, array). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to query. - * @param {Function|Object|number|string} [callback] The function called - * per element or the number of elements to return. If a property name or - * object is provided it will be used to create a "_.pluck" or "_.where" - * style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the last element(s) of `array`. - * @example - * - * _.last([1, 2, 3]); - * // => 3 - * - * _.last([1, 2, 3], 2); - * // => [2, 3] - * - * _.last([1, 2, 3], function(num) { - * return num > 1; - * }); - * // => [2, 3] - * - * var characters = [ - * { 'name': 'barney', 'blocked': false, 'employer': 'slate' }, - * { 'name': 'fred', 'blocked': true, 'employer': 'slate' }, - * { 'name': 'pebbles', 'blocked': true, 'employer': 'na' } - * ]; - * - * // using "_.pluck" callback shorthand - * _.pluck(_.last(characters, 'blocked'), 'name'); - * // => ['fred', 'pebbles'] - * - * // using "_.where" callback shorthand - * _.last(characters, { 'employer': 'na' }); - * // => [{ 'name': 'pebbles', 'blocked': true, 'employer': 'na' }] - */ - function last(array, callback, thisArg) { - var n = 0, - length = array ? array.length : 0; - - if (typeof callback != 'number' && callback != null) { - var index = length; - callback = lodash.createCallback(callback, thisArg, 3); - while (index-- && callback(array[index], index, array)) { - n++; - } - } else { - n = callback; - if (n == null || thisArg) { - return array ? array[length - 1] : undefined; - } - } - return slice(array, nativeMax(0, length - n)); - } - - /** - * Gets the index at which the last occurrence of `value` is found using strict - * equality for comparisons, i.e. `===`. If `fromIndex` is negative, it is used - * as the offset from the end of the collection. - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to search. - * @param {*} value The value to search for. - * @param {number} [fromIndex=array.length-1] The index to search from. - * @returns {number} Returns the index of the matched value or `-1`. - * @example - * - * _.lastIndexOf([1, 2, 3, 1, 2, 3], 2); - * // => 4 - * - * _.lastIndexOf([1, 2, 3, 1, 2, 3], 2, 3); - * // => 1 - */ - function lastIndexOf(array, value, fromIndex) { - var index = array ? array.length : 0; - if (typeof fromIndex == 'number') { - index = (fromIndex < 0 ? nativeMax(0, index + fromIndex) : nativeMin(fromIndex, index - 1)) + 1; - } - while (index--) { - if (array[index] === value) { - return index; - } - } - return -1; - } - - /** - * Removes all provided values from the given array using strict equality for - * comparisons, i.e. `===`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to modify. - * @param {...*} [value] The values to remove. - * @returns {Array} Returns `array`. - * @example - * - * var array = [1, 2, 3, 1, 2, 3]; - * _.pull(array, 2, 3); - * console.log(array); - * // => [1, 1] - */ - function pull(array) { - var args = arguments, - argsIndex = 0, - argsLength = args.length, - length = array ? array.length : 0; - - while (++argsIndex < argsLength) { - var index = -1, - value = args[argsIndex]; - while (++index < length) { - if (array[index] === value) { - splice.call(array, index--, 1); - length--; - } - } - } - return array; - } - - /** - * Creates an array of numbers (positive and/or negative) progressing from - * `start` up to but not including `end`. If `start` is less than `stop` a - * zero-length range is created unless a negative `step` is specified. - * - * @static - * @memberOf _ - * @category Arrays - * @param {number} [start=0] The start of the range. - * @param {number} end The end of the range. - * @param {number} [step=1] The value to increment or decrement by. - * @returns {Array} Returns a new range array. - * @example - * - * _.range(4); - * // => [0, 1, 2, 3] - * - * _.range(1, 5); - * // => [1, 2, 3, 4] - * - * _.range(0, 20, 5); - * // => [0, 5, 10, 15] - * - * _.range(0, -4, -1); - * // => [0, -1, -2, -3] - * - * _.range(1, 4, 0); - * // => [1, 1, 1] - * - * _.range(0); - * // => [] - */ - function range(start, end, step) { - start = +start || 0; - step = typeof step == 'number' ? step : (+step || 1); - - if (end == null) { - end = start; - start = 0; - } - // use `Array(length)` so engines like Chakra and V8 avoid slower modes - // http://youtu.be/XAqIpGU8ZZk#t=17m25s - var index = -1, - length = nativeMax(0, ceil((end - start) / (step || 1))), - result = Array(length); - - while (++index < length) { - result[index] = start; - start += step; - } - return result; - } - - /** - * Removes all elements from an array that the callback returns truey for - * and returns an array of removed elements. The callback is bound to `thisArg` - * and invoked with three arguments; (value, index, array). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to modify. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a new array of removed elements. - * @example - * - * var array = [1, 2, 3, 4, 5, 6]; - * var evens = _.remove(array, function(num) { return num % 2 == 0; }); - * - * console.log(array); - * // => [1, 3, 5] - * - * console.log(evens); - * // => [2, 4, 6] - */ - function remove(array, callback, thisArg) { - var index = -1, - length = array ? array.length : 0, - result = []; - - callback = lodash.createCallback(callback, thisArg, 3); - while (++index < length) { - var value = array[index]; - if (callback(value, index, array)) { - result.push(value); - splice.call(array, index--, 1); - length--; - } - } - return result; - } - - /** - * The opposite of `_.initial` this method gets all but the first element or - * first `n` elements of an array. If a callback function is provided elements - * at the beginning of the array are excluded from the result as long as the - * callback returns truey. The callback is bound to `thisArg` and invoked - * with three arguments; (value, index, array). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias drop, tail - * @category Arrays - * @param {Array} array The array to query. - * @param {Function|Object|number|string} [callback=1] The function called - * per element or the number of elements to exclude. If a property name or - * object is provided it will be used to create a "_.pluck" or "_.where" - * style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a slice of `array`. - * @example - * - * _.rest([1, 2, 3]); - * // => [2, 3] - * - * _.rest([1, 2, 3], 2); - * // => [3] - * - * _.rest([1, 2, 3], function(num) { - * return num < 3; - * }); - * // => [3] - * - * var characters = [ - * { 'name': 'barney', 'blocked': true, 'employer': 'slate' }, - * { 'name': 'fred', 'blocked': false, 'employer': 'slate' }, - * { 'name': 'pebbles', 'blocked': true, 'employer': 'na' } - * ]; - * - * // using "_.pluck" callback shorthand - * _.pluck(_.rest(characters, 'blocked'), 'name'); - * // => ['fred', 'pebbles'] - * - * // using "_.where" callback shorthand - * _.rest(characters, { 'employer': 'slate' }); - * // => [{ 'name': 'pebbles', 'blocked': true, 'employer': 'na' }] - */ - function rest(array, callback, thisArg) { - if (typeof callback != 'number' && callback != null) { - var n = 0, - index = -1, - length = array ? array.length : 0; - - callback = lodash.createCallback(callback, thisArg, 3); - while (++index < length && callback(array[index], index, array)) { - n++; - } - } else { - n = (callback == null || thisArg) ? 1 : nativeMax(0, callback); - } - return slice(array, n); - } - - /** - * Uses a binary search to determine the smallest index at which a value - * should be inserted into a given sorted array in order to maintain the sort - * order of the array. If a callback is provided it will be executed for - * `value` and each element of `array` to compute their sort ranking. The - * callback is bound to `thisArg` and invoked with one argument; (value). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to inspect. - * @param {*} value The value to evaluate. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {number} Returns the index at which `value` should be inserted - * into `array`. - * @example - * - * _.sortedIndex([20, 30, 50], 40); - * // => 2 - * - * // using "_.pluck" callback shorthand - * _.sortedIndex([{ 'x': 20 }, { 'x': 30 }, { 'x': 50 }], { 'x': 40 }, 'x'); - * // => 2 - * - * var dict = { - * 'wordToNumber': { 'twenty': 20, 'thirty': 30, 'fourty': 40, 'fifty': 50 } - * }; - * - * _.sortedIndex(['twenty', 'thirty', 'fifty'], 'fourty', function(word) { - * return dict.wordToNumber[word]; - * }); - * // => 2 - * - * _.sortedIndex(['twenty', 'thirty', 'fifty'], 'fourty', function(word) { - * return this.wordToNumber[word]; - * }, dict); - * // => 2 - */ - function sortedIndex(array, value, callback, thisArg) { - var low = 0, - high = array ? array.length : low; - - // explicitly reference `identity` for better inlining in Firefox - callback = callback ? lodash.createCallback(callback, thisArg, 1) : identity; - value = callback(value); - - while (low < high) { - var mid = (low + high) >>> 1; - (callback(array[mid]) < value) - ? low = mid + 1 - : high = mid; - } - return low; - } - - /** - * Creates an array of unique values, in order, of the provided arrays using - * strict equality for comparisons, i.e. `===`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {...Array} [array] The arrays to inspect. - * @returns {Array} Returns an array of combined values. - * @example - * - * _.union([1, 2, 3], [5, 2, 1, 4], [2, 1]); - * // => [1, 2, 3, 5, 4] - */ - function union() { - return baseUniq(baseFlatten(arguments, true, true)); - } - - /** - * Creates a duplicate-value-free version of an array using strict equality - * for comparisons, i.e. `===`. If the array is sorted, providing - * `true` for `isSorted` will use a faster algorithm. If a callback is provided - * each element of `array` is passed through the callback before uniqueness - * is computed. The callback is bound to `thisArg` and invoked with three - * arguments; (value, index, array). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias unique - * @category Arrays - * @param {Array} array The array to process. - * @param {boolean} [isSorted=false] A flag to indicate that `array` is sorted. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a duplicate-value-free array. - * @example - * - * _.uniq([1, 2, 1, 3, 1]); - * // => [1, 2, 3] - * - * _.uniq([1, 1, 2, 2, 3], true); - * // => [1, 2, 3] - * - * _.uniq(['A', 'b', 'C', 'a', 'B', 'c'], function(letter) { return letter.toLowerCase(); }); - * // => ['A', 'b', 'C'] - * - * _.uniq([1, 2.5, 3, 1.5, 2, 3.5], function(num) { return this.floor(num); }, Math); - * // => [1, 2.5, 3] - * - * // using "_.pluck" callback shorthand - * _.uniq([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x'); - * // => [{ 'x': 1 }, { 'x': 2 }] - */ - function uniq(array, isSorted, callback, thisArg) { - // juggle arguments - if (typeof isSorted != 'boolean' && isSorted != null) { - thisArg = callback; - callback = (typeof isSorted != 'function' && thisArg && thisArg[isSorted] === array) ? null : isSorted; - isSorted = false; - } - if (callback != null) { - callback = lodash.createCallback(callback, thisArg, 3); - } - return baseUniq(array, isSorted, callback); - } - - /** - * Creates an array excluding all provided values using strict equality for - * comparisons, i.e. `===`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to filter. - * @param {...*} [value] The values to exclude. - * @returns {Array} Returns a new array of filtered values. - * @example - * - * _.without([1, 2, 1, 0, 3, 1, 4], 0, 1); - * // => [2, 3, 4] - */ - function without(array) { - return baseDifference(array, slice(arguments, 1)); - } - - /** - * Creates an array that is the symmetric difference of the provided arrays. - * See http://en.wikipedia.org/wiki/Symmetric_difference. - * - * @static - * @memberOf _ - * @category Arrays - * @param {...Array} [array] The arrays to inspect. - * @returns {Array} Returns an array of values. - * @example - * - * _.xor([1, 2, 3], [5, 2, 1, 4]); - * // => [3, 5, 4] - * - * _.xor([1, 2, 5], [2, 3, 5], [3, 4, 5]); - * // => [1, 4, 5] - */ - function xor() { - var index = -1, - length = arguments.length; - - while (++index < length) { - var array = arguments[index]; - if (isArray(array) || isArguments(array)) { - var result = result - ? baseUniq(baseDifference(result, array).concat(baseDifference(array, result))) - : array; - } - } - return result || []; - } - - /** - * Creates an array of grouped elements, the first of which contains the first - * elements of the given arrays, the second of which contains the second - * elements of the given arrays, and so on. - * - * @static - * @memberOf _ - * @alias unzip - * @category Arrays - * @param {...Array} [array] Arrays to process. - * @returns {Array} Returns a new array of grouped elements. - * @example - * - * _.zip(['fred', 'barney'], [30, 40], [true, false]); - * // => [['fred', 30, true], ['barney', 40, false]] - */ - function zip() { - var array = arguments.length > 1 ? arguments : arguments[0], - index = -1, - length = array ? max(pluck(array, 'length')) : 0, - result = Array(length < 0 ? 0 : length); - - while (++index < length) { - result[index] = pluck(array, index); - } - return result; - } - - /** - * Creates an object composed from arrays of `keys` and `values`. Provide - * either a single two dimensional array, i.e. `[[key1, value1], [key2, value2]]` - * or two arrays, one of `keys` and one of corresponding `values`. - * - * @static - * @memberOf _ - * @alias object - * @category Arrays - * @param {Array} keys The array of keys. - * @param {Array} [values=[]] The array of values. - * @returns {Object} Returns an object composed of the given keys and - * corresponding values. - * @example - * - * _.zipObject(['fred', 'barney'], [30, 40]); - * // => { 'fred': 30, 'barney': 40 } - */ - function zipObject(keys, values) { - var index = -1, - length = keys ? keys.length : 0, - result = {}; - - if (!values && length && !isArray(keys[0])) { - values = []; - } - while (++index < length) { - var key = keys[index]; - if (values) { - result[key] = values[index]; - } else if (key) { - result[key[0]] = key[1]; - } - } - return result; - } - - /*--------------------------------------------------------------------------*/ - - /** - * Creates a function that executes `func`, with the `this` binding and - * arguments of the created function, only after being called `n` times. - * - * @static - * @memberOf _ - * @category Functions - * @param {number} n The number of times the function must be called before - * `func` is executed. - * @param {Function} func The function to restrict. - * @returns {Function} Returns the new restricted function. - * @example - * - * var saves = ['profile', 'settings']; - * - * var done = _.after(saves.length, function() { - * console.log('Done saving!'); - * }); - * - * _.forEach(saves, function(type) { - * asyncSave({ 'type': type, 'complete': done }); - * }); - * // => logs 'Done saving!', after all saves have completed - */ - function after(n, func) { - if (!isFunction(func)) { - throw new TypeError; - } - return function() { - if (--n < 1) { - return func.apply(this, arguments); - } - }; - } - - /** - * Creates a function that, when called, invokes `func` with the `this` - * binding of `thisArg` and prepends any additional `bind` arguments to those - * provided to the bound function. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to bind. - * @param {*} [thisArg] The `this` binding of `func`. - * @param {...*} [arg] Arguments to be partially applied. - * @returns {Function} Returns the new bound function. - * @example - * - * var func = function(greeting) { - * return greeting + ' ' + this.name; - * }; - * - * func = _.bind(func, { 'name': 'fred' }, 'hi'); - * func(); - * // => 'hi fred' - */ - function bind(func, thisArg) { - return arguments.length > 2 - ? createWrapper(func, 17, slice(arguments, 2), null, thisArg) - : createWrapper(func, 1, null, null, thisArg); - } - - /** - * Binds methods of an object to the object itself, overwriting the existing - * method. Method names may be specified as individual arguments or as arrays - * of method names. If no method names are provided all the function properties - * of `object` will be bound. - * - * @static - * @memberOf _ - * @category Functions - * @param {Object} object The object to bind and assign the bound methods to. - * @param {...string} [methodName] The object method names to - * bind, specified as individual method names or arrays of method names. - * @returns {Object} Returns `object`. - * @example - * - * var view = { - * 'label': 'docs', - * 'onClick': function() { console.log('clicked ' + this.label); } - * }; - * - * _.bindAll(view); - * jQuery('#docs').on('click', view.onClick); - * // => logs 'clicked docs', when the button is clicked - */ - function bindAll(object) { - var funcs = arguments.length > 1 ? baseFlatten(arguments, true, false, 1) : functions(object), - index = -1, - length = funcs.length; - - while (++index < length) { - var key = funcs[index]; - object[key] = createWrapper(object[key], 1, null, null, object); - } - return object; - } - - /** - * Creates a function that, when called, invokes the method at `object[key]` - * and prepends any additional `bindKey` arguments to those provided to the bound - * function. This method differs from `_.bind` by allowing bound functions to - * reference methods that will be redefined or don't yet exist. - * See http://michaux.ca/articles/lazy-function-definition-pattern. - * - * @static - * @memberOf _ - * @category Functions - * @param {Object} object The object the method belongs to. - * @param {string} key The key of the method. - * @param {...*} [arg] Arguments to be partially applied. - * @returns {Function} Returns the new bound function. - * @example - * - * var object = { - * 'name': 'fred', - * 'greet': function(greeting) { - * return greeting + ' ' + this.name; - * } - * }; - * - * var func = _.bindKey(object, 'greet', 'hi'); - * func(); - * // => 'hi fred' - * - * object.greet = function(greeting) { - * return greeting + 'ya ' + this.name + '!'; - * }; - * - * func(); - * // => 'hiya fred!' - */ - function bindKey(object, key) { - return arguments.length > 2 - ? createWrapper(key, 19, slice(arguments, 2), null, object) - : createWrapper(key, 3, null, null, object); - } - - /** - * Creates a function that is the composition of the provided functions, - * where each function consumes the return value of the function that follows. - * For example, composing the functions `f()`, `g()`, and `h()` produces `f(g(h()))`. - * Each function is executed with the `this` binding of the composed function. - * - * @static - * @memberOf _ - * @category Functions - * @param {...Function} [func] Functions to compose. - * @returns {Function} Returns the new composed function. - * @example - * - * var realNameMap = { - * 'pebbles': 'penelope' - * }; - * - * var format = function(name) { - * name = realNameMap[name.toLowerCase()] || name; - * return name.charAt(0).toUpperCase() + name.slice(1).toLowerCase(); - * }; - * - * var greet = function(formatted) { - * return 'Hiya ' + formatted + '!'; - * }; - * - * var welcome = _.compose(greet, format); - * welcome('pebbles'); - * // => 'Hiya Penelope!' - */ - function compose() { - var funcs = arguments, - length = funcs.length; - - while (length--) { - if (!isFunction(funcs[length])) { - throw new TypeError; - } - } - return function() { - var args = arguments, - length = funcs.length; - - while (length--) { - args = [funcs[length].apply(this, args)]; - } - return args[0]; - }; - } - - /** - * Creates a function which accepts one or more arguments of `func` that when - * invoked either executes `func` returning its result, if all `func` arguments - * have been provided, or returns a function that accepts one or more of the - * remaining `func` arguments, and so on. The arity of `func` can be specified - * if `func.length` is not sufficient. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to curry. - * @param {number} [arity=func.length] The arity of `func`. - * @returns {Function} Returns the new curried function. - * @example - * - * var curried = _.curry(function(a, b, c) { - * console.log(a + b + c); - * }); - * - * curried(1)(2)(3); - * // => 6 - * - * curried(1, 2)(3); - * // => 6 - * - * curried(1, 2, 3); - * // => 6 - */ - function curry(func, arity) { - arity = typeof arity == 'number' ? arity : (+arity || func.length); - return createWrapper(func, 4, null, null, null, arity); - } - - /** - * Creates a function that will delay the execution of `func` until after - * `wait` milliseconds have elapsed since the last time it was invoked. - * Provide an options object to indicate that `func` should be invoked on - * the leading and/or trailing edge of the `wait` timeout. Subsequent calls - * to the debounced function will return the result of the last `func` call. - * - * Note: If `leading` and `trailing` options are `true` `func` will be called - * on the trailing edge of the timeout only if the the debounced function is - * invoked more than once during the `wait` timeout. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to debounce. - * @param {number} wait The number of milliseconds to delay. - * @param {Object} [options] The options object. - * @param {boolean} [options.leading=false] Specify execution on the leading edge of the timeout. - * @param {number} [options.maxWait] The maximum time `func` is allowed to be delayed before it's called. - * @param {boolean} [options.trailing=true] Specify execution on the trailing edge of the timeout. - * @returns {Function} Returns the new debounced function. - * @example - * - * // avoid costly calculations while the window size is in flux - * var lazyLayout = _.debounce(calculateLayout, 150); - * jQuery(window).on('resize', lazyLayout); - * - * // execute `sendMail` when the click event is fired, debouncing subsequent calls - * jQuery('#postbox').on('click', _.debounce(sendMail, 300, { - * 'leading': true, - * 'trailing': false - * }); - * - * // ensure `batchLog` is executed once after 1 second of debounced calls - * var source = new EventSource('/stream'); - * source.addEventListener('message', _.debounce(batchLog, 250, { - * 'maxWait': 1000 - * }, false); - */ - function debounce(func, wait, options) { - var args, - maxTimeoutId, - result, - stamp, - thisArg, - timeoutId, - trailingCall, - lastCalled = 0, - maxWait = false, - trailing = true; - - if (!isFunction(func)) { - throw new TypeError; - } - wait = nativeMax(0, wait) || 0; - if (options === true) { - var leading = true; - trailing = false; - } else if (isObject(options)) { - leading = options.leading; - maxWait = 'maxWait' in options && (nativeMax(wait, options.maxWait) || 0); - trailing = 'trailing' in options ? options.trailing : trailing; - } - var delayed = function() { - var remaining = wait - (now() - stamp); - if (remaining <= 0) { - if (maxTimeoutId) { - clearTimeout(maxTimeoutId); - } - var isCalled = trailingCall; - maxTimeoutId = timeoutId = trailingCall = undefined; - if (isCalled) { - lastCalled = now(); - result = func.apply(thisArg, args); - if (!timeoutId && !maxTimeoutId) { - args = thisArg = null; - } - } - } else { - timeoutId = setTimeout(delayed, remaining); - } - }; - - var maxDelayed = function() { - if (timeoutId) { - clearTimeout(timeoutId); - } - maxTimeoutId = timeoutId = trailingCall = undefined; - if (trailing || (maxWait !== wait)) { - lastCalled = now(); - result = func.apply(thisArg, args); - if (!timeoutId && !maxTimeoutId) { - args = thisArg = null; - } - } - }; - - return function() { - args = arguments; - stamp = now(); - thisArg = this; - trailingCall = trailing && (timeoutId || !leading); - - if (maxWait === false) { - var leadingCall = leading && !timeoutId; - } else { - if (!maxTimeoutId && !leading) { - lastCalled = stamp; - } - var remaining = maxWait - (stamp - lastCalled), - isCalled = remaining <= 0; - - if (isCalled) { - if (maxTimeoutId) { - maxTimeoutId = clearTimeout(maxTimeoutId); - } - lastCalled = stamp; - result = func.apply(thisArg, args); - } - else if (!maxTimeoutId) { - maxTimeoutId = setTimeout(maxDelayed, remaining); - } - } - if (isCalled && timeoutId) { - timeoutId = clearTimeout(timeoutId); - } - else if (!timeoutId && wait !== maxWait) { - timeoutId = setTimeout(delayed, wait); - } - if (leadingCall) { - isCalled = true; - result = func.apply(thisArg, args); - } - if (isCalled && !timeoutId && !maxTimeoutId) { - args = thisArg = null; - } - return result; - }; - } - - /** - * Defers executing the `func` function until the current call stack has cleared. - * Additional arguments will be provided to `func` when it is invoked. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to defer. - * @param {...*} [arg] Arguments to invoke the function with. - * @returns {number} Returns the timer id. - * @example - * - * _.defer(function(text) { console.log(text); }, 'deferred'); - * // logs 'deferred' after one or more milliseconds - */ - function defer(func) { - if (!isFunction(func)) { - throw new TypeError; - } - var args = slice(arguments, 1); - return setTimeout(function() { func.apply(undefined, args); }, 1); - } - - /** - * Executes the `func` function after `wait` milliseconds. Additional arguments - * will be provided to `func` when it is invoked. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to delay. - * @param {number} wait The number of milliseconds to delay execution. - * @param {...*} [arg] Arguments to invoke the function with. - * @returns {number} Returns the timer id. - * @example - * - * _.delay(function(text) { console.log(text); }, 1000, 'later'); - * // => logs 'later' after one second - */ - function delay(func, wait) { - if (!isFunction(func)) { - throw new TypeError; - } - var args = slice(arguments, 2); - return setTimeout(function() { func.apply(undefined, args); }, wait); - } - - /** - * Creates a function that memoizes the result of `func`. If `resolver` is - * provided it will be used to determine the cache key for storing the result - * based on the arguments provided to the memoized function. By default, the - * first argument provided to the memoized function is used as the cache key. - * The `func` is executed with the `this` binding of the memoized function. - * The result cache is exposed as the `cache` property on the memoized function. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to have its output memoized. - * @param {Function} [resolver] A function used to resolve the cache key. - * @returns {Function} Returns the new memoizing function. - * @example - * - * var fibonacci = _.memoize(function(n) { - * return n < 2 ? n : fibonacci(n - 1) + fibonacci(n - 2); - * }); - * - * fibonacci(9) - * // => 34 - * - * var data = { - * 'fred': { 'name': 'fred', 'age': 40 }, - * 'pebbles': { 'name': 'pebbles', 'age': 1 } - * }; - * - * // modifying the result cache - * var get = _.memoize(function(name) { return data[name]; }, _.identity); - * get('pebbles'); - * // => { 'name': 'pebbles', 'age': 1 } - * - * get.cache.pebbles.name = 'penelope'; - * get('pebbles'); - * // => { 'name': 'penelope', 'age': 1 } - */ - function memoize(func, resolver) { - if (!isFunction(func)) { - throw new TypeError; - } - var memoized = function() { - var cache = memoized.cache, - key = resolver ? resolver.apply(this, arguments) : keyPrefix + arguments[0]; - - return hasOwnProperty.call(cache, key) - ? cache[key] - : (cache[key] = func.apply(this, arguments)); - } - memoized.cache = {}; - return memoized; - } - - /** - * Creates a function that is restricted to execute `func` once. Repeat calls to - * the function will return the value of the first call. The `func` is executed - * with the `this` binding of the created function. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to restrict. - * @returns {Function} Returns the new restricted function. - * @example - * - * var initialize = _.once(createApplication); - * initialize(); - * initialize(); - * // `initialize` executes `createApplication` once - */ - function once(func) { - var ran, - result; - - if (!isFunction(func)) { - throw new TypeError; - } - return function() { - if (ran) { - return result; - } - ran = true; - result = func.apply(this, arguments); - - // clear the `func` variable so the function may be garbage collected - func = null; - return result; - }; - } - - /** - * Creates a function that, when called, invokes `func` with any additional - * `partial` arguments prepended to those provided to the new function. This - * method is similar to `_.bind` except it does **not** alter the `this` binding. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to partially apply arguments to. - * @param {...*} [arg] Arguments to be partially applied. - * @returns {Function} Returns the new partially applied function. - * @example - * - * var greet = function(greeting, name) { return greeting + ' ' + name; }; - * var hi = _.partial(greet, 'hi'); - * hi('fred'); - * // => 'hi fred' - */ - function partial(func) { - return createWrapper(func, 16, slice(arguments, 1)); - } - - /** - * This method is like `_.partial` except that `partial` arguments are - * appended to those provided to the new function. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to partially apply arguments to. - * @param {...*} [arg] Arguments to be partially applied. - * @returns {Function} Returns the new partially applied function. - * @example - * - * var defaultsDeep = _.partialRight(_.merge, _.defaults); - * - * var options = { - * 'variable': 'data', - * 'imports': { 'jq': $ } - * }; - * - * defaultsDeep(options, _.templateSettings); - * - * options.variable - * // => 'data' - * - * options.imports - * // => { '_': _, 'jq': $ } - */ - function partialRight(func) { - return createWrapper(func, 32, null, slice(arguments, 1)); - } - - /** - * Creates a function that, when executed, will only call the `func` function - * at most once per every `wait` milliseconds. Provide an options object to - * indicate that `func` should be invoked on the leading and/or trailing edge - * of the `wait` timeout. Subsequent calls to the throttled function will - * return the result of the last `func` call. - * - * Note: If `leading` and `trailing` options are `true` `func` will be called - * on the trailing edge of the timeout only if the the throttled function is - * invoked more than once during the `wait` timeout. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to throttle. - * @param {number} wait The number of milliseconds to throttle executions to. - * @param {Object} [options] The options object. - * @param {boolean} [options.leading=true] Specify execution on the leading edge of the timeout. - * @param {boolean} [options.trailing=true] Specify execution on the trailing edge of the timeout. - * @returns {Function} Returns the new throttled function. - * @example - * - * // avoid excessively updating the position while scrolling - * var throttled = _.throttle(updatePosition, 100); - * jQuery(window).on('scroll', throttled); - * - * // execute `renewToken` when the click event is fired, but not more than once every 5 minutes - * jQuery('.interactive').on('click', _.throttle(renewToken, 300000, { - * 'trailing': false - * })); - */ - function throttle(func, wait, options) { - var leading = true, - trailing = true; - - if (!isFunction(func)) { - throw new TypeError; - } - if (options === false) { - leading = false; - } else if (isObject(options)) { - leading = 'leading' in options ? options.leading : leading; - trailing = 'trailing' in options ? options.trailing : trailing; - } - debounceOptions.leading = leading; - debounceOptions.maxWait = wait; - debounceOptions.trailing = trailing; - - return debounce(func, wait, debounceOptions); - } - - /** - * Creates a function that provides `value` to the wrapper function as its - * first argument. Additional arguments provided to the function are appended - * to those provided to the wrapper function. The wrapper is executed with - * the `this` binding of the created function. - * - * @static - * @memberOf _ - * @category Functions - * @param {*} value The value to wrap. - * @param {Function} wrapper The wrapper function. - * @returns {Function} Returns the new function. - * @example - * - * var p = _.wrap(_.escape, function(func, text) { - * return '<p>' + func(text) + '</p>'; - * }); - * - * p('Fred, Wilma, & Pebbles'); - * // => '<p>Fred, Wilma, & Pebbles</p>' - */ - function wrap(value, wrapper) { - return createWrapper(wrapper, 16, [value]); - } - - /*--------------------------------------------------------------------------*/ - - /** - * Creates a function that returns `value`. - * - * @static - * @memberOf _ - * @category Utilities - * @param {*} value The value to return from the new function. - * @returns {Function} Returns the new function. - * @example - * - * var object = { 'name': 'fred' }; - * var getter = _.constant(object); - * getter() === object; - * // => true - */ - function constant(value) { - return function() { - return value; - }; - } - - /** - * Produces a callback bound to an optional `thisArg`. If `func` is a property - * name the created callback will return the property value for a given element. - * If `func` is an object the created callback will return `true` for elements - * that contain the equivalent object properties, otherwise it will return `false`. - * - * @static - * @memberOf _ - * @category Utilities - * @param {*} [func=identity] The value to convert to a callback. - * @param {*} [thisArg] The `this` binding of the created callback. - * @param {number} [argCount] The number of arguments the callback accepts. - * @returns {Function} Returns a callback function. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * // wrap to create custom callback shorthands - * _.createCallback = _.wrap(_.createCallback, function(func, callback, thisArg) { - * var match = /^(.+?)__([gl]t)(.+)$/.exec(callback); - * return !match ? func(callback, thisArg) : function(object) { - * return match[2] == 'gt' ? object[match[1]] > match[3] : object[match[1]] < match[3]; - * }; - * }); - * - * _.filter(characters, 'age__gt38'); - * // => [{ 'name': 'fred', 'age': 40 }] - */ - function createCallback(func, thisArg, argCount) { - var type = typeof func; - if (func == null || type == 'function') { - return baseCreateCallback(func, thisArg, argCount); - } - // handle "_.pluck" style callback shorthands - if (type != 'object') { - return property(func); - } - var props = keys(func), - key = props[0], - a = func[key]; - - // handle "_.where" style callback shorthands - if (props.length == 1 && a === a && !isObject(a)) { - // fast path the common case of providing an object with a single - // property containing a primitive value - return function(object) { - var b = object[key]; - return a === b && (a !== 0 || (1 / a == 1 / b)); - }; - } - return function(object) { - var length = props.length, - result = false; - - while (length--) { - if (!(result = baseIsEqual(object[props[length]], func[props[length]], null, true))) { - break; - } - } - return result; - }; - } - - /** - * Converts the characters `&`, `<`, `>`, `"`, and `'` in `string` to their - * corresponding HTML entities. - * - * @static - * @memberOf _ - * @category Utilities - * @param {string} string The string to escape. - * @returns {string} Returns the escaped string. - * @example - * - * _.escape('Fred, Wilma, & Pebbles'); - * // => 'Fred, Wilma, & Pebbles' - */ - function escape(string) { - return string == null ? '' : String(string).replace(reUnescapedHtml, escapeHtmlChar); - } - - /** - * This method returns the first argument provided to it. - * - * @static - * @memberOf _ - * @category Utilities - * @param {*} value Any value. - * @returns {*} Returns `value`. - * @example - * - * var object = { 'name': 'fred' }; - * _.identity(object) === object; - * // => true - */ - function identity(value) { - return value; - } - - /** - * Adds function properties of a source object to the destination object. - * If `object` is a function methods will be added to its prototype as well. - * - * @static - * @memberOf _ - * @category Utilities - * @param {Function|Object} [object=lodash] object The destination object. - * @param {Object} source The object of functions to add. - * @param {Object} [options] The options object. - * @param {boolean} [options.chain=true] Specify whether the functions added are chainable. - * @example - * - * function capitalize(string) { - * return string.charAt(0).toUpperCase() + string.slice(1).toLowerCase(); - * } - * - * _.mixin({ 'capitalize': capitalize }); - * _.capitalize('fred'); - * // => 'Fred' - * - * _('fred').capitalize().value(); - * // => 'Fred' - * - * _.mixin({ 'capitalize': capitalize }, { 'chain': false }); - * _('fred').capitalize(); - * // => 'Fred' - */ - function mixin(object, source, options) { - var chain = true, - methodNames = source && functions(source); - - if (!source || (!options && !methodNames.length)) { - if (options == null) { - options = source; - } - ctor = lodashWrapper; - source = object; - object = lodash; - methodNames = functions(source); - } - if (options === false) { - chain = false; - } else if (isObject(options) && 'chain' in options) { - chain = options.chain; - } - var ctor = object, - isFunc = isFunction(ctor); - - forEach(methodNames, function(methodName) { - var func = object[methodName] = source[methodName]; - if (isFunc) { - ctor.prototype[methodName] = function() { - var chainAll = this.__chain__, - value = this.__wrapped__, - args = [value]; - - push.apply(args, arguments); - var result = func.apply(object, args); - if (chain || chainAll) { - if (value === result && isObject(result)) { - return this; - } - result = new ctor(result); - result.__chain__ = chainAll; - } - return result; - }; - } - }); - } - - /** - * Reverts the '_' variable to its previous value and returns a reference to - * the `lodash` function. - * - * @static - * @memberOf _ - * @category Utilities - * @returns {Function} Returns the `lodash` function. - * @example - * - * var lodash = _.noConflict(); - */ - function noConflict() { - context._ = oldDash; - return this; - } - - /** - * A no-operation function. - * - * @static - * @memberOf _ - * @category Utilities - * @example - * - * var object = { 'name': 'fred' }; - * _.noop(object) === undefined; - * // => true - */ - function noop() { - // no operation performed - } - - /** - * Gets the number of milliseconds that have elapsed since the Unix epoch - * (1 January 1970 00:00:00 UTC). - * - * @static - * @memberOf _ - * @category Utilities - * @example - * - * var stamp = _.now(); - * _.defer(function() { console.log(_.now() - stamp); }); - * // => logs the number of milliseconds it took for the deferred function to be called - */ - var now = isNative(now = Date.now) && now || function() { - return new Date().getTime(); - }; - - /** - * Converts the given value into an integer of the specified radix. - * If `radix` is `undefined` or `0` a `radix` of `10` is used unless the - * `value` is a hexadecimal, in which case a `radix` of `16` is used. - * - * Note: This method avoids differences in native ES3 and ES5 `parseInt` - * implementations. See http://es5.github.io/#E. - * - * @static - * @memberOf _ - * @category Utilities - * @param {string} value The value to parse. - * @param {number} [radix] The radix used to interpret the value to parse. - * @returns {number} Returns the new integer value. - * @example - * - * _.parseInt('08'); - * // => 8 - */ - var parseInt = nativeParseInt(whitespace + '08') == 8 ? nativeParseInt : function(value, radix) { - // Firefox < 21 and Opera < 15 follow the ES3 specified implementation of `parseInt` - return nativeParseInt(isString(value) ? value.replace(reLeadingSpacesAndZeros, '') : value, radix || 0); - }; - - /** - * Creates a "_.pluck" style function, which returns the `key` value of a - * given object. - * - * @static - * @memberOf _ - * @category Utilities - * @param {string} key The name of the property to retrieve. - * @returns {Function} Returns the new function. - * @example - * - * var characters = [ - * { 'name': 'fred', 'age': 40 }, - * { 'name': 'barney', 'age': 36 } - * ]; - * - * var getName = _.property('name'); - * - * _.map(characters, getName); - * // => ['barney', 'fred'] - * - * _.sortBy(characters, getName); - * // => [{ 'name': 'barney', 'age': 36 }, { 'name': 'fred', 'age': 40 }] - */ - function property(key) { - return function(object) { - return object[key]; - }; - } - - /** - * Produces a random number between `min` and `max` (inclusive). If only one - * argument is provided a number between `0` and the given number will be - * returned. If `floating` is truey or either `min` or `max` are floats a - * floating-point number will be returned instead of an integer. - * - * @static - * @memberOf _ - * @category Utilities - * @param {number} [min=0] The minimum possible value. - * @param {number} [max=1] The maximum possible value. - * @param {boolean} [floating=false] Specify returning a floating-point number. - * @returns {number} Returns a random number. - * @example - * - * _.random(0, 5); - * // => an integer between 0 and 5 - * - * _.random(5); - * // => also an integer between 0 and 5 - * - * _.random(5, true); - * // => a floating-point number between 0 and 5 - * - * _.random(1.2, 5.2); - * // => a floating-point number between 1.2 and 5.2 - */ - function random(min, max, floating) { - var noMin = min == null, - noMax = max == null; - - if (floating == null) { - if (typeof min == 'boolean' && noMax) { - floating = min; - min = 1; - } - else if (!noMax && typeof max == 'boolean') { - floating = max; - noMax = true; - } - } - if (noMin && noMax) { - max = 1; - } - min = +min || 0; - if (noMax) { - max = min; - min = 0; - } else { - max = +max || 0; - } - if (floating || min % 1 || max % 1) { - var rand = nativeRandom(); - return nativeMin(min + (rand * (max - min + parseFloat('1e-' + ((rand +'').length - 1)))), max); - } - return baseRandom(min, max); - } - - /** - * Resolves the value of property `key` on `object`. If `key` is a function - * it will be invoked with the `this` binding of `object` and its result returned, - * else the property value is returned. If `object` is falsey then `undefined` - * is returned. - * - * @static - * @memberOf _ - * @category Utilities - * @param {Object} object The object to inspect. - * @param {string} key The name of the property to resolve. - * @returns {*} Returns the resolved value. - * @example - * - * var object = { - * 'cheese': 'crumpets', - * 'stuff': function() { - * return 'nonsense'; - * } - * }; - * - * _.result(object, 'cheese'); - * // => 'crumpets' - * - * _.result(object, 'stuff'); - * // => 'nonsense' - */ - function result(object, key) { - if (object) { - var value = object[key]; - return isFunction(value) ? object[key]() : value; - } - } - - /** - * A micro-templating method that handles arbitrary delimiters, preserves - * whitespace, and correctly escapes quotes within interpolated code. - * - * Note: In the development build, `_.template` utilizes sourceURLs for easier - * debugging. See http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl - * - * For more information on precompiling templates see: - * http://lodash.com/custom-builds - * - * For more information on Chrome extension sandboxes see: - * http://developer.chrome.com/stable/extensions/sandboxingEval.html - * - * @static - * @memberOf _ - * @category Utilities - * @param {string} text The template text. - * @param {Object} data The data object used to populate the text. - * @param {Object} [options] The options object. - * @param {RegExp} [options.escape] The "escape" delimiter. - * @param {RegExp} [options.evaluate] The "evaluate" delimiter. - * @param {Object} [options.imports] An object to import into the template as local variables. - * @param {RegExp} [options.interpolate] The "interpolate" delimiter. - * @param {string} [sourceURL] The sourceURL of the template's compiled source. - * @param {string} [variable] The data object variable name. - * @returns {Function|string} Returns a compiled function when no `data` object - * is given, else it returns the interpolated text. - * @example - * - * // using the "interpolate" delimiter to create a compiled template - * var compiled = _.template('hello <%= name %>'); - * compiled({ 'name': 'fred' }); - * // => 'hello fred' - * - * // using the "escape" delimiter to escape HTML in data property values - * _.template('<b><%- value %></b>', { 'value': '<script>' }); - * // => '<b><script></b>' - * - * // using the "evaluate" delimiter to generate HTML - * var list = '<% _.forEach(people, function(name) { %><li><%- name %></li><% }); %>'; - * _.template(list, { 'people': ['fred', 'barney'] }); - * // => '<li>fred</li><li>barney</li>' - * - * // using the ES6 delimiter as an alternative to the default "interpolate" delimiter - * _.template('hello ${ name }', { 'name': 'pebbles' }); - * // => 'hello pebbles' - * - * // using the internal `print` function in "evaluate" delimiters - * _.template('<% print("hello " + name); %>!', { 'name': 'barney' }); - * // => 'hello barney!' - * - * // using a custom template delimiters - * _.templateSettings = { - * 'interpolate': /{{([\s\S]+?)}}/g - * }; - * - * _.template('hello {{ name }}!', { 'name': 'mustache' }); - * // => 'hello mustache!' - * - * // using the `imports` option to import jQuery - * var list = '<% jq.each(people, function(name) { %><li><%- name %></li><% }); %>'; - * _.template(list, { 'people': ['fred', 'barney'] }, { 'imports': { 'jq': jQuery } }); - * // => '<li>fred</li><li>barney</li>' - * - * // using the `sourceURL` option to specify a custom sourceURL for the template - * var compiled = _.template('hello <%= name %>', null, { 'sourceURL': '/basic/greeting.jst' }); - * compiled(data); - * // => find the source of "greeting.jst" under the Sources tab or Resources panel of the web inspector - * - * // using the `variable` option to ensure a with-statement isn't used in the compiled template - * var compiled = _.template('hi <%= data.name %>!', null, { 'variable': 'data' }); - * compiled.source; - * // => function(data) { - * var __t, __p = '', __e = _.escape; - * __p += 'hi ' + ((__t = ( data.name )) == null ? '' : __t) + '!'; - * return __p; - * } - * - * // using the `source` property to inline compiled templates for meaningful - * // line numbers in error messages and a stack trace - * fs.writeFileSync(path.join(cwd, 'jst.js'), '\ - * var JST = {\ - * "main": ' + _.template(mainText).source + '\ - * };\ - * '); - */ - function template(text, data, options) { - // based on John Resig's `tmpl` implementation - // http://ejohn.org/blog/javascript-micro-templating/ - // and Laura Doktorova's doT.js - // https://github.com/olado/doT - var settings = lodash.templateSettings; - text = String(text || ''); - - // avoid missing dependencies when `iteratorTemplate` is not defined - options = defaults({}, options, settings); - - var imports = defaults({}, options.imports, settings.imports), - importsKeys = keys(imports), - importsValues = values(imports); - - var isEvaluating, - index = 0, - interpolate = options.interpolate || reNoMatch, - source = "__p += '"; - - // compile the regexp to match each delimiter - var reDelimiters = RegExp( - (options.escape || reNoMatch).source + '|' + - interpolate.source + '|' + - (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' + - (options.evaluate || reNoMatch).source + '|$' - , 'g'); - - text.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) { - interpolateValue || (interpolateValue = esTemplateValue); - - // escape characters that cannot be included in string literals - source += text.slice(index, offset).replace(reUnescapedString, escapeStringChar); - - // replace delimiters with snippets - if (escapeValue) { - source += "' +\n__e(" + escapeValue + ") +\n'"; - } - if (evaluateValue) { - isEvaluating = true; - source += "';\n" + evaluateValue + ";\n__p += '"; - } - if (interpolateValue) { - source += "' +\n((__t = (" + interpolateValue + ")) == null ? '' : __t) +\n'"; - } - index = offset + match.length; - - // the JS engine embedded in Adobe products requires returning the `match` - // string in order to produce the correct `offset` value - return match; - }); - - source += "';\n"; - - // if `variable` is not specified, wrap a with-statement around the generated - // code to add the data object to the top of the scope chain - var variable = options.variable, - hasVariable = variable; - - if (!hasVariable) { - variable = 'obj'; - source = 'with (' + variable + ') {\n' + source + '\n}\n'; - } - // cleanup code by stripping empty strings - source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source) - .replace(reEmptyStringMiddle, '$1') - .replace(reEmptyStringTrailing, '$1;'); - - // frame code as the function body - source = 'function(' + variable + ') {\n' + - (hasVariable ? '' : variable + ' || (' + variable + ' = {});\n') + - "var __t, __p = '', __e = _.escape" + - (isEvaluating - ? ', __j = Array.prototype.join;\n' + - "function print() { __p += __j.call(arguments, '') }\n" - : ';\n' - ) + - source + - 'return __p\n}'; - - // Use a sourceURL for easier debugging. - // http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl - var sourceURL = '\n/*\n//# sourceURL=' + (options.sourceURL || '/lodash/template/source[' + (templateCounter++) + ']') + '\n*/'; - - try { - var result = Function(importsKeys, 'return ' + source + sourceURL).apply(undefined, importsValues); - } catch(e) { - e.source = source; - throw e; - } - if (data) { - return result(data); - } - // provide the compiled function's source by its `toString` method, in - // supported environments, or the `source` property as a convenience for - // inlining compiled templates during the build process - result.source = source; - return result; - } - - /** - * Executes the callback `n` times, returning an array of the results - * of each callback execution. The callback is bound to `thisArg` and invoked - * with one argument; (index). - * - * @static - * @memberOf _ - * @category Utilities - * @param {number} n The number of times to execute the callback. - * @param {Function} callback The function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns an array of the results of each `callback` execution. - * @example - * - * var diceRolls = _.times(3, _.partial(_.random, 1, 6)); - * // => [3, 6, 4] - * - * _.times(3, function(n) { mage.castSpell(n); }); - * // => calls `mage.castSpell(n)` three times, passing `n` of `0`, `1`, and `2` respectively - * - * _.times(3, function(n) { this.cast(n); }, mage); - * // => also calls `mage.castSpell(n)` three times - */ - function times(n, callback, thisArg) { - n = (n = +n) > -1 ? n : 0; - var index = -1, - result = Array(n); - - callback = baseCreateCallback(callback, thisArg, 1); - while (++index < n) { - result[index] = callback(index); - } - return result; - } - - /** - * The inverse of `_.escape` this method converts the HTML entities - * `&`, `<`, `>`, `"`, and `'` in `string` to their - * corresponding characters. - * - * @static - * @memberOf _ - * @category Utilities - * @param {string} string The string to unescape. - * @returns {string} Returns the unescaped string. - * @example - * - * _.unescape('Fred, Barney & Pebbles'); - * // => 'Fred, Barney & Pebbles' - */ - function unescape(string) { - return string == null ? '' : String(string).replace(reEscapedHtml, unescapeHtmlChar); - } - - /** - * Generates a unique ID. If `prefix` is provided the ID will be appended to it. - * - * @static - * @memberOf _ - * @category Utilities - * @param {string} [prefix] The value to prefix the ID with. - * @returns {string} Returns the unique ID. - * @example - * - * _.uniqueId('contact_'); - * // => 'contact_104' - * - * _.uniqueId(); - * // => '105' - */ - function uniqueId(prefix) { - var id = ++idCounter; - return String(prefix == null ? '' : prefix) + id; - } - - /*--------------------------------------------------------------------------*/ - - /** - * Creates a `lodash` object that wraps the given value with explicit - * method chaining enabled. - * - * @static - * @memberOf _ - * @category Chaining - * @param {*} value The value to wrap. - * @returns {Object} Returns the wrapper object. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 }, - * { 'name': 'pebbles', 'age': 1 } - * ]; - * - * var youngest = _.chain(characters) - * .sortBy('age') - * .map(function(chr) { return chr.name + ' is ' + chr.age; }) - * .first() - * .value(); - * // => 'pebbles is 1' - */ - function chain(value) { - value = new lodashWrapper(value); - value.__chain__ = true; - return value; - } - - /** - * Invokes `interceptor` with the `value` as the first argument and then - * returns `value`. The purpose of this method is to "tap into" a method - * chain in order to perform operations on intermediate results within - * the chain. - * - * @static - * @memberOf _ - * @category Chaining - * @param {*} value The value to provide to `interceptor`. - * @param {Function} interceptor The function to invoke. - * @returns {*} Returns `value`. - * @example - * - * _([1, 2, 3, 4]) - * .tap(function(array) { array.pop(); }) - * .reverse() - * .value(); - * // => [3, 2, 1] - */ - function tap(value, interceptor) { - interceptor(value); - return value; - } - - /** - * Enables explicit method chaining on the wrapper object. - * - * @name chain - * @memberOf _ - * @category Chaining - * @returns {*} Returns the wrapper object. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * // without explicit chaining - * _(characters).first(); - * // => { 'name': 'barney', 'age': 36 } - * - * // with explicit chaining - * _(characters).chain() - * .first() - * .pick('age') - * .value(); - * // => { 'age': 36 } - */ - function wrapperChain() { - this.__chain__ = true; - return this; - } - - /** - * Produces the `toString` result of the wrapped value. - * - * @name toString - * @memberOf _ - * @category Chaining - * @returns {string} Returns the string result. - * @example - * - * _([1, 2, 3]).toString(); - * // => '1,2,3' - */ - function wrapperToString() { - return String(this.__wrapped__); - } - - /** - * Extracts the wrapped value. - * - * @name valueOf - * @memberOf _ - * @alias value - * @category Chaining - * @returns {*} Returns the wrapped value. - * @example - * - * _([1, 2, 3]).valueOf(); - * // => [1, 2, 3] - */ - function wrapperValueOf() { - return this.__wrapped__; - } - - /*--------------------------------------------------------------------------*/ - - // add functions that return wrapped values when chaining - lodash.after = after; - lodash.assign = assign; - lodash.at = at; - lodash.bind = bind; - lodash.bindAll = bindAll; - lodash.bindKey = bindKey; - lodash.chain = chain; - lodash.compact = compact; - lodash.compose = compose; - lodash.constant = constant; - lodash.countBy = countBy; - lodash.create = create; - lodash.createCallback = createCallback; - lodash.curry = curry; - lodash.debounce = debounce; - lodash.defaults = defaults; - lodash.defer = defer; - lodash.delay = delay; - lodash.difference = difference; - lodash.filter = filter; - lodash.flatten = flatten; - lodash.forEach = forEach; - lodash.forEachRight = forEachRight; - lodash.forIn = forIn; - lodash.forInRight = forInRight; - lodash.forOwn = forOwn; - lodash.forOwnRight = forOwnRight; - lodash.functions = functions; - lodash.groupBy = groupBy; - lodash.indexBy = indexBy; - lodash.initial = initial; - lodash.intersection = intersection; - lodash.invert = invert; - lodash.invoke = invoke; - lodash.keys = keys; - lodash.map = map; - lodash.mapValues = mapValues; - lodash.max = max; - lodash.memoize = memoize; - lodash.merge = merge; - lodash.min = min; - lodash.omit = omit; - lodash.once = once; - lodash.pairs = pairs; - lodash.partial = partial; - lodash.partialRight = partialRight; - lodash.pick = pick; - lodash.pluck = pluck; - lodash.property = property; - lodash.pull = pull; - lodash.range = range; - lodash.reject = reject; - lodash.remove = remove; - lodash.rest = rest; - lodash.shuffle = shuffle; - lodash.sortBy = sortBy; - lodash.tap = tap; - lodash.throttle = throttle; - lodash.times = times; - lodash.toArray = toArray; - lodash.transform = transform; - lodash.union = union; - lodash.uniq = uniq; - lodash.values = values; - lodash.where = where; - lodash.without = without; - lodash.wrap = wrap; - lodash.xor = xor; - lodash.zip = zip; - lodash.zipObject = zipObject; - - // add aliases - lodash.collect = map; - lodash.drop = rest; - lodash.each = forEach; - lodash.eachRight = forEachRight; - lodash.extend = assign; - lodash.methods = functions; - lodash.object = zipObject; - lodash.select = filter; - lodash.tail = rest; - lodash.unique = uniq; - lodash.unzip = zip; - - // add functions to `lodash.prototype` - mixin(lodash); - - /*--------------------------------------------------------------------------*/ - - // add functions that return unwrapped values when chaining - lodash.clone = clone; - lodash.cloneDeep = cloneDeep; - lodash.contains = contains; - lodash.escape = escape; - lodash.every = every; - lodash.find = find; - lodash.findIndex = findIndex; - lodash.findKey = findKey; - lodash.findLast = findLast; - lodash.findLastIndex = findLastIndex; - lodash.findLastKey = findLastKey; - lodash.has = has; - lodash.identity = identity; - lodash.indexOf = indexOf; - lodash.isArguments = isArguments; - lodash.isArray = isArray; - lodash.isBoolean = isBoolean; - lodash.isDate = isDate; - lodash.isElement = isElement; - lodash.isEmpty = isEmpty; - lodash.isEqual = isEqual; - lodash.isFinite = isFinite; - lodash.isFunction = isFunction; - lodash.isNaN = isNaN; - lodash.isNull = isNull; - lodash.isNumber = isNumber; - lodash.isObject = isObject; - lodash.isPlainObject = isPlainObject; - lodash.isRegExp = isRegExp; - lodash.isString = isString; - lodash.isUndefined = isUndefined; - lodash.lastIndexOf = lastIndexOf; - lodash.mixin = mixin; - lodash.noConflict = noConflict; - lodash.noop = noop; - lodash.now = now; - lodash.parseInt = parseInt; - lodash.random = random; - lodash.reduce = reduce; - lodash.reduceRight = reduceRight; - lodash.result = result; - lodash.runInContext = runInContext; - lodash.size = size; - lodash.some = some; - lodash.sortedIndex = sortedIndex; - lodash.template = template; - lodash.unescape = unescape; - lodash.uniqueId = uniqueId; - - // add aliases - lodash.all = every; - lodash.any = some; - lodash.detect = find; - lodash.findWhere = find; - lodash.foldl = reduce; - lodash.foldr = reduceRight; - lodash.include = contains; - lodash.inject = reduce; - - mixin(function() { - var source = {} - forOwn(lodash, function(func, methodName) { - if (!lodash.prototype[methodName]) { - source[methodName] = func; - } - }); - return source; - }(), false); - - /*--------------------------------------------------------------------------*/ - - // add functions capable of returning wrapped and unwrapped values when chaining - lodash.first = first; - lodash.last = last; - lodash.sample = sample; - - // add aliases - lodash.take = first; - lodash.head = first; - - forOwn(lodash, function(func, methodName) { - var callbackable = methodName !== 'sample'; - if (!lodash.prototype[methodName]) { - lodash.prototype[methodName]= function(n, guard) { - var chainAll = this.__chain__, - result = func(this.__wrapped__, n, guard); - - return !chainAll && (n == null || (guard && !(callbackable && typeof n == 'function'))) - ? result - : new lodashWrapper(result, chainAll); - }; - } - }); - - /*--------------------------------------------------------------------------*/ - - /** - * The semantic version number. - * - * @static - * @memberOf _ - * @type string - */ - lodash.VERSION = '2.4.1'; - - // add "Chaining" functions to the wrapper - lodash.prototype.chain = wrapperChain; - lodash.prototype.toString = wrapperToString; - lodash.prototype.value = wrapperValueOf; - lodash.prototype.valueOf = wrapperValueOf; - - // add `Array` functions that return unwrapped values - forEach(['join', 'pop', 'shift'], function(methodName) { - var func = arrayRef[methodName]; - lodash.prototype[methodName] = function() { - var chainAll = this.__chain__, - result = func.apply(this.__wrapped__, arguments); - - return chainAll - ? new lodashWrapper(result, chainAll) - : result; - }; - }); - - // add `Array` functions that return the existing wrapped value - forEach(['push', 'reverse', 'sort', 'unshift'], function(methodName) { - var func = arrayRef[methodName]; - lodash.prototype[methodName] = function() { - func.apply(this.__wrapped__, arguments); - return this; - }; - }); - - // add `Array` functions that return new wrapped values - forEach(['concat', 'slice', 'splice'], function(methodName) { - var func = arrayRef[methodName]; - lodash.prototype[methodName] = function() { - return new lodashWrapper(func.apply(this.__wrapped__, arguments), this.__chain__); - }; - }); - - return lodash; - } - - /*--------------------------------------------------------------------------*/ - - // expose Lo-Dash - var _ = runInContext(); - - // some AMD build optimizers like r.js check for condition patterns like the following: - if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) { - // Expose Lo-Dash to the global object even when an AMD loader is present in - // case Lo-Dash is loaded with a RequireJS shim config. - // See http://requirejs.org/docs/api.html#config-shim - root._ = _; - - // define as an anonymous module so, through path mapping, it can be - // referenced as the "underscore" module - define('lodash',[],function() { - return _; - }); - } - // check for `exports` after `define` in case a build optimizer adds an `exports` object - else if (freeExports && freeModule) { - // in Node.js or RingoJS - if (moduleExports) { - (freeModule.exports = _)._ = _; - } - // in Narwhal or Rhino -require - else { - freeExports._ = _; - } - } - else { - // in a browser or Rhino - root._ = _; - } -}.call(this)); - -(function(e,b){if(!b.__SV){var a,f,i,g;window.mixpanel=b;b._i=[];b.init=function(a,e,d){function f(b,h){var a=h.split(".");2==a.length&&(b=b[a[0]],h=a[1]);b[h]=function(){b.push([h].concat(Array.prototype.slice.call(arguments,0)))}}var c=b;"undefined"!==typeof d?c=b[d]=[]:d="mixpanel";c.people=c.people||[];c.toString=function(b){var a="mixpanel";"mixpanel"!==d&&(a+="."+d);b||(a+=" (stub)");return a};c.people.toString=function(){return c.toString(1)+".people (stub)"};i="disable track track_pageview track_links track_forms register register_once alias unregister identify name_tag set_config people.set people.set_once people.increment people.append people.track_charge people.clear_charges people.delete_user".split(" "); -for(g=0;g<i.length;g++)f(c,i[g]);b._i.push([a,e,d])};b.__SV=1.2;a=e.createElement("script");a.type="text/javascript";a.async=!0;a.src=("https:"===e.location.protocol?"https:":"http:")+'//cdn.mxpnl.com/libs/mixpanel-2.2.min.js';f=e.getElementsByTagName("script")[0];f.parentNode.insertBefore(a,f)}})(document,window.mixpanel||[]); -define("mixpanel", (function (global) { - return function () { - var ret, fn; - return ret || global.mixpanel; - }; -}(this))); - -define('utils/analytic',[ - "lodash", - "mixpanel" -], function(_, mixpanel) { - mixpanel.init("01eb2b950ae09a5fdb15a98dcc5ff20e", { - loaded: function() { - track("View"); - } - }); - - var isAvailable = function() { - return ( - typeof mixpanel !== "undefined" && - typeof mixpanel.track === "function" - ); - }; - - var track = function(e, data) { - if (!isAvailable()) { - console.warn("tracking not available!"); - return; - } - console.log("track", e); - mixpanel.track(e, _.extend(data || {}, { - 'domain': window.location.host - })); - }; - - return { - isAvailable: isAvailable, - track: track - }; -}); -define('utils/sharing',[ - "jQuery" -], function($) { - var url = location.href; - var title = $("title").text(); - - var types = { - "twitter": function($el) { - window.open("http://twitter.com/home?status="+encodeURIComponent(title+" "+url)) - }, - "facebook": function($el) { - window.open("http://www.facebook.com/sharer/sharer.php?s=100&p[url]="+encodeURIComponent(url)) - }, - "google-plus": function($el) { - window.open("https://plus.google.com/share?url="+encodeURIComponent(url)) - } - }; - - - // Bind all sharing button - var init = function() { - $("a[data-sharing]").click(function(e) { - if (e) e.preventDefault(); - var type = $(this).data("sharing"); - - types[type]($(this)); - }) - }; - - return { - init: init - }; -}); -define('core/state',[ - "jQuery" -], function() { - var $book = $(".book"); - - return { - '$book': $book, - - 'githubId': $book.data("github"), - 'level': $book.data("level"), - 'basePath': $book.data("basepath"), - 'revision': $book.data("revision") - }; -}); -/*global define:false */ -/** - * Copyright 2013 Craig Campbell - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - * Mousetrap is a simple keyboard shortcut library for Javascript with - * no external dependencies - * - * @version 1.4.6 - * @url craig.is/killing/mice - */ -(function(window, document, undefined) { - - /** - * mapping of special keycodes to their corresponding keys - * - * everything in this dictionary cannot use keypress events - * so it has to be here to map to the correct keycodes for - * keyup/keydown events - * - * @type {Object} - */ - var _MAP = { - 8: 'backspace', - 9: 'tab', - 13: 'enter', - 16: 'shift', - 17: 'ctrl', - 18: 'alt', - 20: 'capslock', - 27: 'esc', - 32: 'space', - 33: 'pageup', - 34: 'pagedown', - 35: 'end', - 36: 'home', - 37: 'left', - 38: 'up', - 39: 'right', - 40: 'down', - 45: 'ins', - 46: 'del', - 91: 'meta', - 93: 'meta', - 224: 'meta' - }, - - /** - * mapping for special characters so they can support - * - * this dictionary is only used incase you want to bind a - * keyup or keydown event to one of these keys - * - * @type {Object} - */ - _KEYCODE_MAP = { - 106: '*', - 107: '+', - 109: '-', - 110: '.', - 111 : '/', - 186: ';', - 187: '=', - 188: ',', - 189: '-', - 190: '.', - 191: '/', - 192: '`', - 219: '[', - 220: '\\', - 221: ']', - 222: '\'' - }, - - /** - * this is a mapping of keys that require shift on a US keypad - * back to the non shift equivelents - * - * this is so you can use keyup events with these keys - * - * note that this will only work reliably on US keyboards - * - * @type {Object} - */ - _SHIFT_MAP = { - '~': '`', - '!': '1', - '@': '2', - '#': '3', - '$': '4', - '%': '5', - '^': '6', - '&': '7', - '*': '8', - '(': '9', - ')': '0', - '_': '-', - '+': '=', - ':': ';', - '\"': '\'', - '<': ',', - '>': '.', - '?': '/', - '|': '\\' - }, - - /** - * this is a list of special strings you can use to map - * to modifier keys when you specify your keyboard shortcuts - * - * @type {Object} - */ - _SPECIAL_ALIASES = { - 'option': 'alt', - 'command': 'meta', - 'return': 'enter', - 'escape': 'esc', - 'mod': /Mac|iPod|iPhone|iPad/.test(navigator.platform) ? 'meta' : 'ctrl' - }, - - /** - * variable to store the flipped version of _MAP from above - * needed to check if we should use keypress or not when no action - * is specified - * - * @type {Object|undefined} - */ - _REVERSE_MAP, - - /** - * a list of all the callbacks setup via Mousetrap.bind() - * - * @type {Object} - */ - _callbacks = {}, - - /** - * direct map of string combinations to callbacks used for trigger() - * - * @type {Object} - */ - _directMap = {}, - - /** - * keeps track of what level each sequence is at since multiple - * sequences can start out with the same sequence - * - * @type {Object} - */ - _sequenceLevels = {}, - - /** - * variable to store the setTimeout call - * - * @type {null|number} - */ - _resetTimer, - - /** - * temporary state where we will ignore the next keyup - * - * @type {boolean|string} - */ - _ignoreNextKeyup = false, - - /** - * temporary state where we will ignore the next keypress - * - * @type {boolean} - */ - _ignoreNextKeypress = false, - - /** - * are we currently inside of a sequence? - * type of action ("keyup" or "keydown" or "keypress") or false - * - * @type {boolean|string} - */ - _nextExpectedAction = false; - - /** - * loop through the f keys, f1 to f19 and add them to the map - * programatically - */ - for (var i = 1; i < 20; ++i) { - _MAP[111 + i] = 'f' + i; - } - - /** - * loop through to map numbers on the numeric keypad - */ - for (i = 0; i <= 9; ++i) { - _MAP[i + 96] = i; - } - - /** - * cross browser add event method - * - * @param {Element|HTMLDocument} object - * @param {string} type - * @param {Function} callback - * @returns void - */ - function _addEvent(object, type, callback) { - if (object.addEventListener) { - object.addEventListener(type, callback, false); - return; - } - - object.attachEvent('on' + type, callback); - } - - /** - * takes the event and returns the key character - * - * @param {Event} e - * @return {string} - */ - function _characterFromEvent(e) { - - // for keypress events we should return the character as is - if (e.type == 'keypress') { - var character = String.fromCharCode(e.which); - - // if the shift key is not pressed then it is safe to assume - // that we want the character to be lowercase. this means if - // you accidentally have caps lock on then your key bindings - // will continue to work - // - // the only side effect that might not be desired is if you - // bind something like 'A' cause you want to trigger an - // event when capital A is pressed caps lock will no longer - // trigger the event. shift+a will though. - if (!e.shiftKey) { - character = character.toLowerCase(); - } - - return character; - } - - // for non keypress events the special maps are needed - if (_MAP[e.which]) { - return _MAP[e.which]; - } - - if (_KEYCODE_MAP[e.which]) { - return _KEYCODE_MAP[e.which]; - } - - // if it is not in the special map - - // with keydown and keyup events the character seems to always - // come in as an uppercase character whether you are pressing shift - // or not. we should make sure it is always lowercase for comparisons - return String.fromCharCode(e.which).toLowerCase(); - } - - /** - * checks if two arrays are equal - * - * @param {Array} modifiers1 - * @param {Array} modifiers2 - * @returns {boolean} - */ - function _modifiersMatch(modifiers1, modifiers2) { - return modifiers1.sort().join(',') === modifiers2.sort().join(','); - } - - /** - * resets all sequence counters except for the ones passed in - * - * @param {Object} doNotReset - * @returns void - */ - function _resetSequences(doNotReset) { - doNotReset = doNotReset || {}; - - var activeSequences = false, - key; - - for (key in _sequenceLevels) { - if (doNotReset[key]) { - activeSequences = true; - continue; - } - _sequenceLevels[key] = 0; - } - - if (!activeSequences) { - _nextExpectedAction = false; - } - } - - /** - * finds all callbacks that match based on the keycode, modifiers, - * and action - * - * @param {string} character - * @param {Array} modifiers - * @param {Event|Object} e - * @param {string=} sequenceName - name of the sequence we are looking for - * @param {string=} combination - * @param {number=} level - * @returns {Array} - */ - function _getMatches(character, modifiers, e, sequenceName, combination, level) { - var i, - callback, - matches = [], - action = e.type; - - // if there are no events related to this keycode - if (!_callbacks[character]) { - return []; - } - - // if a modifier key is coming up on its own we should allow it - if (action == 'keyup' && _isModifier(character)) { - modifiers = [character]; - } - - // loop through all callbacks for the key that was pressed - // and see if any of them match - for (i = 0; i < _callbacks[character].length; ++i) { - callback = _callbacks[character][i]; - - // if a sequence name is not specified, but this is a sequence at - // the wrong level then move onto the next match - if (!sequenceName && callback.seq && _sequenceLevels[callback.seq] != callback.level) { - continue; - } - - // if the action we are looking for doesn't match the action we got - // then we should keep going - if (action != callback.action) { - continue; - } - - // if this is a keypress event and the meta key and control key - // are not pressed that means that we need to only look at the - // character, otherwise check the modifiers as well - // - // chrome will not fire a keypress if meta or control is down - // safari will fire a keypress if meta or meta+shift is down - // firefox will fire a keypress if meta or control is down - if ((action == 'keypress' && !e.metaKey && !e.ctrlKey) || _modifiersMatch(modifiers, callback.modifiers)) { - - // when you bind a combination or sequence a second time it - // should overwrite the first one. if a sequenceName or - // combination is specified in this call it does just that - // - // @todo make deleting its own method? - var deleteCombo = !sequenceName && callback.combo == combination; - var deleteSequence = sequenceName && callback.seq == sequenceName && callback.level == level; - if (deleteCombo || deleteSequence) { - _callbacks[character].splice(i, 1); - } - - matches.push(callback); - } - } - - return matches; - } - - /** - * takes a key event and figures out what the modifiers are - * - * @param {Event} e - * @returns {Array} - */ - function _eventModifiers(e) { - var modifiers = []; - - if (e.shiftKey) { - modifiers.push('shift'); - } - - if (e.altKey) { - modifiers.push('alt'); - } - - if (e.ctrlKey) { - modifiers.push('ctrl'); - } - - if (e.metaKey) { - modifiers.push('meta'); - } - - return modifiers; - } - - /** - * prevents default for this event - * - * @param {Event} e - * @returns void - */ - function _preventDefault(e) { - if (e.preventDefault) { - e.preventDefault(); - return; - } - - e.returnValue = false; - } - - /** - * stops propogation for this event - * - * @param {Event} e - * @returns void - */ - function _stopPropagation(e) { - if (e.stopPropagation) { - e.stopPropagation(); - return; - } - - e.cancelBubble = true; - } - - /** - * actually calls the callback function - * - * if your callback function returns false this will use the jquery - * convention - prevent default and stop propogation on the event - * - * @param {Function} callback - * @param {Event} e - * @returns void - */ - function _fireCallback(callback, e, combo, sequence) { - - // if this event should not happen stop here - if (Mousetrap.stopCallback(e, e.target || e.srcElement, combo, sequence)) { - return; - } - - if (callback(e, combo) === false) { - _preventDefault(e); - _stopPropagation(e); - } - } - - /** - * handles a character key event - * - * @param {string} character - * @param {Array} modifiers - * @param {Event} e - * @returns void - */ - function _handleKey(character, modifiers, e) { - var callbacks = _getMatches(character, modifiers, e), - i, - doNotReset = {}, - maxLevel = 0, - processedSequenceCallback = false; - - // Calculate the maxLevel for sequences so we can only execute the longest callback sequence - for (i = 0; i < callbacks.length; ++i) { - if (callbacks[i].seq) { - maxLevel = Math.max(maxLevel, callbacks[i].level); - } - } - - // loop through matching callbacks for this key event - for (i = 0; i < callbacks.length; ++i) { - - // fire for all sequence callbacks - // this is because if for example you have multiple sequences - // bound such as "g i" and "g t" they both need to fire the - // callback for matching g cause otherwise you can only ever - // match the first one - if (callbacks[i].seq) { - - // only fire callbacks for the maxLevel to prevent - // subsequences from also firing - // - // for example 'a option b' should not cause 'option b' to fire - // even though 'option b' is part of the other sequence - // - // any sequences that do not match here will be discarded - // below by the _resetSequences call - if (callbacks[i].level != maxLevel) { - continue; - } - - processedSequenceCallback = true; - - // keep a list of which sequences were matches for later - doNotReset[callbacks[i].seq] = 1; - _fireCallback(callbacks[i].callback, e, callbacks[i].combo, callbacks[i].seq); - continue; - } - - // if there were no sequence matches but we are still here - // that means this is a regular match so we should fire that - if (!processedSequenceCallback) { - _fireCallback(callbacks[i].callback, e, callbacks[i].combo); - } - } - - // if the key you pressed matches the type of sequence without - // being a modifier (ie "keyup" or "keypress") then we should - // reset all sequences that were not matched by this event - // - // this is so, for example, if you have the sequence "h a t" and you - // type "h e a r t" it does not match. in this case the "e" will - // cause the sequence to reset - // - // modifier keys are ignored because you can have a sequence - // that contains modifiers such as "enter ctrl+space" and in most - // cases the modifier key will be pressed before the next key - // - // also if you have a sequence such as "ctrl+b a" then pressing the - // "b" key will trigger a "keypress" and a "keydown" - // - // the "keydown" is expected when there is a modifier, but the - // "keypress" ends up matching the _nextExpectedAction since it occurs - // after and that causes the sequence to reset - // - // we ignore keypresses in a sequence that directly follow a keydown - // for the same character - var ignoreThisKeypress = e.type == 'keypress' && _ignoreNextKeypress; - if (e.type == _nextExpectedAction && !_isModifier(character) && !ignoreThisKeypress) { - _resetSequences(doNotReset); - } - - _ignoreNextKeypress = processedSequenceCallback && e.type == 'keydown'; - } - - /** - * handles a keydown event - * - * @param {Event} e - * @returns void - */ - function _handleKeyEvent(e) { - - // normalize e.which for key events - // @see http://stackoverflow.com/questions/4285627/javascript-keycode-vs-charcode-utter-confusion - if (typeof e.which !== 'number') { - e.which = e.keyCode; - } - - var character = _characterFromEvent(e); - - // no character found then stop - if (!character) { - return; - } - - // need to use === for the character check because the character can be 0 - if (e.type == 'keyup' && _ignoreNextKeyup === character) { - _ignoreNextKeyup = false; - return; - } - - Mousetrap.handleKey(character, _eventModifiers(e), e); - } - - /** - * determines if the keycode specified is a modifier key or not - * - * @param {string} key - * @returns {boolean} - */ - function _isModifier(key) { - return key == 'shift' || key == 'ctrl' || key == 'alt' || key == 'meta'; - } - - /** - * called to set a 1 second timeout on the specified sequence - * - * this is so after each key press in the sequence you have 1 second - * to press the next key before you have to start over - * - * @returns void - */ - function _resetSequenceTimer() { - clearTimeout(_resetTimer); - _resetTimer = setTimeout(_resetSequences, 1000); - } - - /** - * reverses the map lookup so that we can look for specific keys - * to see what can and can't use keypress - * - * @return {Object} - */ - function _getReverseMap() { - if (!_REVERSE_MAP) { - _REVERSE_MAP = {}; - for (var key in _MAP) { - - // pull out the numeric keypad from here cause keypress should - // be able to detect the keys from the character - if (key > 95 && key < 112) { - continue; - } - - if (_MAP.hasOwnProperty(key)) { - _REVERSE_MAP[_MAP[key]] = key; - } - } - } - return _REVERSE_MAP; - } - - /** - * picks the best action based on the key combination - * - * @param {string} key - character for key - * @param {Array} modifiers - * @param {string=} action passed in - */ - function _pickBestAction(key, modifiers, action) { - - // if no action was picked in we should try to pick the one - // that we think would work best for this key - if (!action) { - action = _getReverseMap()[key] ? 'keydown' : 'keypress'; - } - - // modifier keys don't work as expected with keypress, - // switch to keydown - if (action == 'keypress' && modifiers.length) { - action = 'keydown'; - } - - return action; - } - - /** - * binds a key sequence to an event - * - * @param {string} combo - combo specified in bind call - * @param {Array} keys - * @param {Function} callback - * @param {string=} action - * @returns void - */ - function _bindSequence(combo, keys, callback, action) { - - // start off by adding a sequence level record for this combination - // and setting the level to 0 - _sequenceLevels[combo] = 0; - - /** - * callback to increase the sequence level for this sequence and reset - * all other sequences that were active - * - * @param {string} nextAction - * @returns {Function} - */ - function _increaseSequence(nextAction) { - return function() { - _nextExpectedAction = nextAction; - ++_sequenceLevels[combo]; - _resetSequenceTimer(); - }; - } - - /** - * wraps the specified callback inside of another function in order - * to reset all sequence counters as soon as this sequence is done - * - * @param {Event} e - * @returns void - */ - function _callbackAndReset(e) { - _fireCallback(callback, e, combo); - - // we should ignore the next key up if the action is key down - // or keypress. this is so if you finish a sequence and - // release the key the final key will not trigger a keyup - if (action !== 'keyup') { - _ignoreNextKeyup = _characterFromEvent(e); - } - - // weird race condition if a sequence ends with the key - // another sequence begins with - setTimeout(_resetSequences, 10); - } - - // loop through keys one at a time and bind the appropriate callback - // function. for any key leading up to the final one it should - // increase the sequence. after the final, it should reset all sequences - // - // if an action is specified in the original bind call then that will - // be used throughout. otherwise we will pass the action that the - // next key in the sequence should match. this allows a sequence - // to mix and match keypress and keydown events depending on which - // ones are better suited to the key provided - for (var i = 0; i < keys.length; ++i) { - var isFinal = i + 1 === keys.length; - var wrappedCallback = isFinal ? _callbackAndReset : _increaseSequence(action || _getKeyInfo(keys[i + 1]).action); - _bindSingle(keys[i], wrappedCallback, action, combo, i); - } - } - - /** - * Converts from a string key combination to an array - * - * @param {string} combination like "command+shift+l" - * @return {Array} - */ - function _keysFromString(combination) { - if (combination === '+') { - return ['+']; - } - - return combination.split('+'); - } - - /** - * Gets info for a specific key combination - * - * @param {string} combination key combination ("command+s" or "a" or "*") - * @param {string=} action - * @returns {Object} - */ - function _getKeyInfo(combination, action) { - var keys, - key, - i, - modifiers = []; - - // take the keys from this pattern and figure out what the actual - // pattern is all about - keys = _keysFromString(combination); - - for (i = 0; i < keys.length; ++i) { - key = keys[i]; - - // normalize key names - if (_SPECIAL_ALIASES[key]) { - key = _SPECIAL_ALIASES[key]; - } - - // if this is not a keypress event then we should - // be smart about using shift keys - // this will only work for US keyboards however - if (action && action != 'keypress' && _SHIFT_MAP[key]) { - key = _SHIFT_MAP[key]; - modifiers.push('shift'); - } - - // if this key is a modifier then add it to the list of modifiers - if (_isModifier(key)) { - modifiers.push(key); - } - } - - // depending on what the key combination is - // we will try to pick the best event for it - action = _pickBestAction(key, modifiers, action); - - return { - key: key, - modifiers: modifiers, - action: action - }; - } - - /** - * binds a single keyboard combination - * - * @param {string} combination - * @param {Function} callback - * @param {string=} action - * @param {string=} sequenceName - name of sequence if part of sequence - * @param {number=} level - what part of the sequence the command is - * @returns void - */ - function _bindSingle(combination, callback, action, sequenceName, level) { - - // store a direct mapped reference for use with Mousetrap.trigger - _directMap[combination + ':' + action] = callback; - - // make sure multiple spaces in a row become a single space - combination = combination.replace(/\s+/g, ' '); - - var sequence = combination.split(' '), - info; - - // if this pattern is a sequence of keys then run through this method - // to reprocess each pattern one key at a time - if (sequence.length > 1) { - _bindSequence(combination, sequence, callback, action); - return; - } - - info = _getKeyInfo(combination, action); - - // make sure to initialize array if this is the first time - // a callback is added for this key - _callbacks[info.key] = _callbacks[info.key] || []; - - // remove an existing match if there is one - _getMatches(info.key, info.modifiers, {type: info.action}, sequenceName, combination, level); - - // add this call back to the array - // if it is a sequence put it at the beginning - // if not put it at the end - // - // this is important because the way these are processed expects - // the sequence ones to come first - _callbacks[info.key][sequenceName ? 'unshift' : 'push']({ - callback: callback, - modifiers: info.modifiers, - action: info.action, - seq: sequenceName, - level: level, - combo: combination - }); - } - - /** - * binds multiple combinations to the same callback - * - * @param {Array} combinations - * @param {Function} callback - * @param {string|undefined} action - * @returns void - */ - function _bindMultiple(combinations, callback, action) { - for (var i = 0; i < combinations.length; ++i) { - _bindSingle(combinations[i], callback, action); - } - } - - // start! - _addEvent(document, 'keypress', _handleKeyEvent); - _addEvent(document, 'keydown', _handleKeyEvent); - _addEvent(document, 'keyup', _handleKeyEvent); - - var Mousetrap = { - - /** - * binds an event to mousetrap - * - * can be a single key, a combination of keys separated with +, - * an array of keys, or a sequence of keys separated by spaces - * - * be sure to list the modifier keys first to make sure that the - * correct key ends up getting bound (the last key in the pattern) - * - * @param {string|Array} keys - * @param {Function} callback - * @param {string=} action - 'keypress', 'keydown', or 'keyup' - * @returns void - */ - bind: function(keys, callback, action) { - keys = keys instanceof Array ? keys : [keys]; - _bindMultiple(keys, callback, action); - return this; - }, - - /** - * unbinds an event to mousetrap - * - * the unbinding sets the callback function of the specified key combo - * to an empty function and deletes the corresponding key in the - * _directMap dict. - * - * TODO: actually remove this from the _callbacks dictionary instead - * of binding an empty function - * - * the keycombo+action has to be exactly the same as - * it was defined in the bind method - * - * @param {string|Array} keys - * @param {string} action - * @returns void - */ - unbind: function(keys, action) { - return Mousetrap.bind(keys, function() {}, action); - }, - - /** - * triggers an event that has already been bound - * - * @param {string} keys - * @param {string=} action - * @returns void - */ - trigger: function(keys, action) { - if (_directMap[keys + ':' + action]) { - _directMap[keys + ':' + action]({}, keys); - } - return this; - }, - - /** - * resets the library back to its initial state. this is useful - * if you want to clear out the current keyboard shortcuts and bind - * new ones - for example if you switch to another page - * - * @returns void - */ - reset: function() { - _callbacks = {}; - _directMap = {}; - return this; - }, - - /** - * should we stop this event before firing off callbacks - * - * @param {Event} e - * @param {Element} element - * @return {boolean} - */ - stopCallback: function(e, element) { - - // if the element has the class "mousetrap" then no need to stop - if ((' ' + element.className + ' ').indexOf(' mousetrap ') > -1) { - return false; - } - - // stop for input, select, and textarea - return element.tagName == 'INPUT' || element.tagName == 'SELECT' || element.tagName == 'TEXTAREA' || element.isContentEditable; - }, - - /** - * exposes _handleKey publicly so it can be overwritten by extensions - */ - handleKey: _handleKey - }; - - // expose mousetrap to the global object - window.Mousetrap = Mousetrap; - - // expose mousetrap as an AMD module - if (typeof define === 'function' && define.amd) { - define('Mousetrap',Mousetrap); - } -}) (window, document); - -define('core/navigation',[ - "jQuery" -], function($) { - var goNext = function() { - var url = $("link[rel='next']").attr("href"); - if (url) location.href = url; - }; - var goPrev = function() { - var url = $("link[rel='prev']").attr("href"); - if (url) location.href = url; - }; - - return { - goNext: goNext, - goPrev: goPrev - }; -}); -define('utils/platform',[], function() { - return { - isMobile: /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) - }; -}); -define('core/sidebar',[ - "lodash", - "utils/storage", - "utils/platform", - "core/state" -], function(_, storage, platform, state) { - var $summary = state.$book.find(".book-summary"); - - // Toggle sidebar with or withour animation - var toggleSidebar = function(_state, animation) { - if (state != null && isOpen() == _state) return; - if (animation == null) animation = true; - - state.$book.toggleClass("without-animation", !animation); - state.$book.toggleClass("with-summary", _state); - - storage.set("sidebar", isOpen()); - }; - - // Return true if sidebar is open - var isOpen = function() { - return state.$book.hasClass("with-summary"); - }; - - // Prepare sidebar: state and toggle button - var init = function() { - // Toggle summary - state.$book.find(".book-header .toggle-summary").click(function(e) { - e.preventDefault(); - toggleSidebar(); - }); - - // Init last state if not mobile - if (!platform.isMobile) { - toggleSidebar(storage.get("sidebar", true), false); - } - }; - - // Filter summary with a list of path - var filterSummary = function(paths) { - $summary.find("li").each(function() { - var path = $(this).data("path"); - var st = paths == null || _.contains(paths, path); - - $(this).toggle(st); - if (st) $(this).parents("li").show(); - }); - }; - - return { - $el: $summary, - init: init, - toggle: toggleSidebar, - filter: filterSummary - } -}); -/** - * lunr - http://lunrjs.com - A bit like Solr, but much smaller and not as bright - 0.5.2 - * Copyright (C) 2014 Oliver Nightingale - * MIT Licensed - * @license - */ - -(function(){ - -/** - * Convenience function for instantiating a new lunr index and configuring it - * with the default pipeline functions and the passed config function. - * - * When using this convenience function a new index will be created with the - * following functions already in the pipeline: - * - * lunr.StopWordFilter - filters out any stop words before they enter the - * index - * - * lunr.stemmer - stems the tokens before entering the index. - * - * Example: - * - * var idx = lunr(function () { - * this.field('title', 10) - * this.field('tags', 100) - * this.field('body') - * - * this.ref('cid') - * - * this.pipeline.add(function () { - * // some custom pipeline function - * }) - * - * }) - * - * @param {Function} config A function that will be called with the new instance - * of the lunr.Index as both its context and first parameter. It can be used to - * customize the instance of new lunr.Index. - * @namespace - * @module - * @returns {lunr.Index} - * - */ -var lunr = function (config) { - var idx = new lunr.Index - - idx.pipeline.add( - lunr.trimmer, - lunr.stopWordFilter, - lunr.stemmer - ) - - if (config) config.call(idx, idx) - - return idx -} - -lunr.version = "0.5.2" -/*! - * lunr.utils - * Copyright (C) 2014 Oliver Nightingale - */ - -/** - * A namespace containing utils for the rest of the lunr library - */ -lunr.utils = {} - -/** - * Print a warning message to the console. - * - * @param {String} message The message to be printed. - * @memberOf Utils - */ -lunr.utils.warn = (function (global) { - return function (message) { - if (global.console && console.warn) { - console.warn(message) - } - } -})(this) - -/*! - * lunr.EventEmitter - * Copyright (C) 2014 Oliver Nightingale - */ - -/** - * lunr.EventEmitter is an event emitter for lunr. It manages adding and removing event handlers and triggering events and their handlers. - * - * @constructor - */ -lunr.EventEmitter = function () { - this.events = {} -} - -/** - * Binds a handler function to a specific event(s). - * - * Can bind a single function to many different events in one call. - * - * @param {String} [eventName] The name(s) of events to bind this function to. - * @param {Function} handler The function to call when an event is fired. - * @memberOf EventEmitter - */ -lunr.EventEmitter.prototype.addListener = function () { - var args = Array.prototype.slice.call(arguments), - fn = args.pop(), - names = args - - if (typeof fn !== "function") throw new TypeError ("last argument must be a function") - - names.forEach(function (name) { - if (!this.hasHandler(name)) this.events[name] = [] - this.events[name].push(fn) - }, this) -} - -/** - * Removes a handler function from a specific event. - * - * @param {String} eventName The name of the event to remove this function from. - * @param {Function} handler The function to remove from an event. - * @memberOf EventEmitter - */ -lunr.EventEmitter.prototype.removeListener = function (name, fn) { - if (!this.hasHandler(name)) return - - var fnIndex = this.events[name].indexOf(fn) - this.events[name].splice(fnIndex, 1) - - if (!this.events[name].length) delete this.events[name] -} - -/** - * Calls all functions bound to the given event. - * - * Additional data can be passed to the event handler as arguments to `emit` - * after the event name. - * - * @param {String} eventName The name of the event to emit. - * @memberOf EventEmitter - */ -lunr.EventEmitter.prototype.emit = function (name) { - if (!this.hasHandler(name)) return - - var args = Array.prototype.slice.call(arguments, 1) - - this.events[name].forEach(function (fn) { - fn.apply(undefined, args) - }) -} - -/** - * Checks whether a handler has ever been stored against an event. - * - * @param {String} eventName The name of the event to check. - * @private - * @memberOf EventEmitter - */ -lunr.EventEmitter.prototype.hasHandler = function (name) { - return name in this.events -} - -/*! - * lunr.tokenizer - * Copyright (C) 2014 Oliver Nightingale - */ - -/** - * A function for splitting a string into tokens ready to be inserted into - * the search index. - * - * @module - * @param {String} obj The string to convert into tokens - * @returns {Array} - */ -lunr.tokenizer = function (obj) { - if (!arguments.length || obj == null || obj == undefined) return [] - if (Array.isArray(obj)) return obj.map(function (t) { return t.toLowerCase() }) - - var str = obj.toString().replace(/^\s+/, '') - - for (var i = str.length - 1; i >= 0; i--) { - if (/\S/.test(str.charAt(i))) { - str = str.substring(0, i + 1) - break - } - } - - return str - .split(/\s+/) - .map(function (token) { - return token.toLowerCase() - }) -} -/*! - * lunr.Pipeline - * Copyright (C) 2014 Oliver Nightingale - */ - -/** - * lunr.Pipelines maintain an ordered list of functions to be applied to all - * tokens in documents entering the search index and queries being ran against - * the index. - * - * An instance of lunr.Index created with the lunr shortcut will contain a - * pipeline with a stop word filter and an English language stemmer. Extra - * functions can be added before or after either of these functions or these - * default functions can be removed. - * - * When run the pipeline will call each function in turn, passing a token, the - * index of that token in the original list of all tokens and finally a list of - * all the original tokens. - * - * The output of functions in the pipeline will be passed to the next function - * in the pipeline. To exclude a token from entering the index the function - * should return undefined, the rest of the pipeline will not be called with - * this token. - * - * For serialisation of pipelines to work, all functions used in an instance of - * a pipeline should be registered with lunr.Pipeline. Registered functions can - * then be loaded. If trying to load a serialised pipeline that uses functions - * that are not registered an error will be thrown. - * - * If not planning on serialising the pipeline then registering pipeline functions - * is not necessary. - * - * @constructor - */ -lunr.Pipeline = function () { - this._stack = [] -} - -lunr.Pipeline.registeredFunctions = {} - -/** - * Register a function with the pipeline. - * - * Functions that are used in the pipeline should be registered if the pipeline - * needs to be serialised, or a serialised pipeline needs to be loaded. - * - * Registering a function does not add it to a pipeline, functions must still be - * added to instances of the pipeline for them to be used when running a pipeline. - * - * @param {Function} fn The function to check for. - * @param {String} label The label to register this function with - * @memberOf Pipeline - */ -lunr.Pipeline.registerFunction = function (fn, label) { - if (label in this.registeredFunctions) { - lunr.utils.warn('Overwriting existing registered function: ' + label) - } - - fn.label = label - lunr.Pipeline.registeredFunctions[fn.label] = fn -} - -/** - * Warns if the function is not registered as a Pipeline function. - * - * @param {Function} fn The function to check for. - * @private - * @memberOf Pipeline - */ -lunr.Pipeline.warnIfFunctionNotRegistered = function (fn) { - var isRegistered = fn.label && (fn.label in this.registeredFunctions) - - if (!isRegistered) { - lunr.utils.warn('Function is not registered with pipeline. This may cause problems when serialising the index.\n', fn) - } -} - -/** - * Loads a previously serialised pipeline. - * - * All functions to be loaded must already be registered with lunr.Pipeline. - * If any function from the serialised data has not been registered then an - * error will be thrown. - * - * @param {Object} serialised The serialised pipeline to load. - * @returns {lunr.Pipeline} - * @memberOf Pipeline - */ -lunr.Pipeline.load = function (serialised) { - var pipeline = new lunr.Pipeline - - serialised.forEach(function (fnName) { - var fn = lunr.Pipeline.registeredFunctions[fnName] - - if (fn) { - pipeline.add(fn) - } else { - throw new Error ('Cannot load un-registered function: ' + fnName) - } - }) - - return pipeline -} - -/** - * Adds new functions to the end of the pipeline. - * - * Logs a warning if the function has not been registered. - * - * @param {Function} functions Any number of functions to add to the pipeline. - * @memberOf Pipeline - */ -lunr.Pipeline.prototype.add = function () { - var fns = Array.prototype.slice.call(arguments) - - fns.forEach(function (fn) { - lunr.Pipeline.warnIfFunctionNotRegistered(fn) - this._stack.push(fn) - }, this) -} - -/** - * Adds a single function after a function that already exists in the - * pipeline. - * - * Logs a warning if the function has not been registered. - * - * @param {Function} existingFn A function that already exists in the pipeline. - * @param {Function} newFn The new function to add to the pipeline. - * @memberOf Pipeline - */ -lunr.Pipeline.prototype.after = function (existingFn, newFn) { - lunr.Pipeline.warnIfFunctionNotRegistered(newFn) - - var pos = this._stack.indexOf(existingFn) + 1 - this._stack.splice(pos, 0, newFn) -} - -/** - * Adds a single function before a function that already exists in the - * pipeline. - * - * Logs a warning if the function has not been registered. - * - * @param {Function} existingFn A function that already exists in the pipeline. - * @param {Function} newFn The new function to add to the pipeline. - * @memberOf Pipeline - */ -lunr.Pipeline.prototype.before = function (existingFn, newFn) { - lunr.Pipeline.warnIfFunctionNotRegistered(newFn) - - var pos = this._stack.indexOf(existingFn) - this._stack.splice(pos, 0, newFn) -} - -/** - * Removes a function from the pipeline. - * - * @param {Function} fn The function to remove from the pipeline. - * @memberOf Pipeline - */ -lunr.Pipeline.prototype.remove = function (fn) { - var pos = this._stack.indexOf(fn) - this._stack.splice(pos, 1) -} - -/** - * Runs the current list of functions that make up the pipeline against the - * passed tokens. - * - * @param {Array} tokens The tokens to run through the pipeline. - * @returns {Array} - * @memberOf Pipeline - */ -lunr.Pipeline.prototype.run = function (tokens) { - var out = [], - tokenLength = tokens.length, - stackLength = this._stack.length - - for (var i = 0; i < tokenLength; i++) { - var token = tokens[i] - - for (var j = 0; j < stackLength; j++) { - token = this._stack[j](token, i, tokens) - if (token === void 0) break - }; - - if (token !== void 0) out.push(token) - }; - - return out -} - -/** - * Resets the pipeline by removing any existing processors. - * - * @memberOf Pipeline - */ -lunr.Pipeline.prototype.reset = function () { - this._stack = [] -} - -/** - * Returns a representation of the pipeline ready for serialisation. - * - * Logs a warning if the function has not been registered. - * - * @returns {Array} - * @memberOf Pipeline - */ -lunr.Pipeline.prototype.toJSON = function () { - return this._stack.map(function (fn) { - lunr.Pipeline.warnIfFunctionNotRegistered(fn) - - return fn.label - }) -} -/*! - * lunr.Vector - * Copyright (C) 2014 Oliver Nightingale - */ - -/** - * lunr.Vectors implement vector related operations for - * a series of elements. - * - * @constructor - */ -lunr.Vector = function () { - this._magnitude = null - this.list = undefined - this.length = 0 -} - -/** - * lunr.Vector.Node is a simple struct for each node - * in a lunr.Vector. - * - * @private - * @param {Number} The index of the node in the vector. - * @param {Object} The data at this node in the vector. - * @param {lunr.Vector.Node} The node directly after this node in the vector. - * @constructor - * @memberOf Vector - */ -lunr.Vector.Node = function (idx, val, next) { - this.idx = idx - this.val = val - this.next = next -} - -/** - * Inserts a new value at a position in a vector. - * - * @param {Number} The index at which to insert a value. - * @param {Object} The object to insert in the vector. - * @memberOf Vector. - */ -lunr.Vector.prototype.insert = function (idx, val) { - var list = this.list - - if (!list) { - this.list = new lunr.Vector.Node (idx, val, list) - return this.length++ - } - - var prev = list, - next = list.next - - while (next != undefined) { - if (idx < next.idx) { - prev.next = new lunr.Vector.Node (idx, val, next) - return this.length++ - } - - prev = next, next = next.next - } - - prev.next = new lunr.Vector.Node (idx, val, next) - return this.length++ -} - -/** - * Calculates the magnitude of this vector. - * - * @returns {Number} - * @memberOf Vector - */ -lunr.Vector.prototype.magnitude = function () { - if (this._magniture) return this._magnitude - var node = this.list, - sumOfSquares = 0, - val - - while (node) { - val = node.val - sumOfSquares += val * val - node = node.next - } - - return this._magnitude = Math.sqrt(sumOfSquares) -} - -/** - * Calculates the dot product of this vector and another vector. - * - * @param {lunr.Vector} otherVector The vector to compute the dot product with. - * @returns {Number} - * @memberOf Vector - */ -lunr.Vector.prototype.dot = function (otherVector) { - var node = this.list, - otherNode = otherVector.list, - dotProduct = 0 - - while (node && otherNode) { - if (node.idx < otherNode.idx) { - node = node.next - } else if (node.idx > otherNode.idx) { - otherNode = otherNode.next - } else { - dotProduct += node.val * otherNode.val - node = node.next - otherNode = otherNode.next - } - } - - return dotProduct -} - -/** - * Calculates the cosine similarity between this vector and another - * vector. - * - * @param {lunr.Vector} otherVector The other vector to calculate the - * similarity with. - * @returns {Number} - * @memberOf Vector - */ -lunr.Vector.prototype.similarity = function (otherVector) { - return this.dot(otherVector) / (this.magnitude() * otherVector.magnitude()) -} -/*! - * lunr.SortedSet - * Copyright (C) 2014 Oliver Nightingale - */ - -/** - * lunr.SortedSets are used to maintain an array of uniq values in a sorted - * order. - * - * @constructor - */ -lunr.SortedSet = function () { - this.length = 0 - this.elements = [] -} - -/** - * Loads a previously serialised sorted set. - * - * @param {Array} serialisedData The serialised set to load. - * @returns {lunr.SortedSet} - * @memberOf SortedSet - */ -lunr.SortedSet.load = function (serialisedData) { - var set = new this - - set.elements = serialisedData - set.length = serialisedData.length - - return set -} - -/** - * Inserts new items into the set in the correct position to maintain the - * order. - * - * @param {Object} The objects to add to this set. - * @memberOf SortedSet - */ -lunr.SortedSet.prototype.add = function () { - Array.prototype.slice.call(arguments).forEach(function (element) { - if (~this.indexOf(element)) return - this.elements.splice(this.locationFor(element), 0, element) - }, this) - - this.length = this.elements.length -} - -/** - * Converts this sorted set into an array. - * - * @returns {Array} - * @memberOf SortedSet - */ -lunr.SortedSet.prototype.toArray = function () { - return this.elements.slice() -} - -/** - * Creates a new array with the results of calling a provided function on every - * element in this sorted set. - * - * Delegates to Array.prototype.map and has the same signature. - * - * @param {Function} fn The function that is called on each element of the - * set. - * @param {Object} ctx An optional object that can be used as the context - * for the function fn. - * @returns {Array} - * @memberOf SortedSet - */ -lunr.SortedSet.prototype.map = function (fn, ctx) { - return this.elements.map(fn, ctx) -} - -/** - * Executes a provided function once per sorted set element. - * - * Delegates to Array.prototype.forEach and has the same signature. - * - * @param {Function} fn The function that is called on each element of the - * set. - * @param {Object} ctx An optional object that can be used as the context - * @memberOf SortedSet - * for the function fn. - */ -lunr.SortedSet.prototype.forEach = function (fn, ctx) { - return this.elements.forEach(fn, ctx) -} - -/** - * Returns the index at which a given element can be found in the - * sorted set, or -1 if it is not present. - * - * @param {Object} elem The object to locate in the sorted set. - * @param {Number} start An optional index at which to start searching from - * within the set. - * @param {Number} end An optional index at which to stop search from within - * the set. - * @returns {Number} - * @memberOf SortedSet - */ -lunr.SortedSet.prototype.indexOf = function (elem, start, end) { - var start = start || 0, - end = end || this.elements.length, - sectionLength = end - start, - pivot = start + Math.floor(sectionLength / 2), - pivotElem = this.elements[pivot] - - if (sectionLength <= 1) { - if (pivotElem === elem) { - return pivot - } else { - return -1 - } - } - - if (pivotElem < elem) return this.indexOf(elem, pivot, end) - if (pivotElem > elem) return this.indexOf(elem, start, pivot) - if (pivotElem === elem) return pivot -} - -/** - * Returns the position within the sorted set that an element should be - * inserted at to maintain the current order of the set. - * - * This function assumes that the element to search for does not already exist - * in the sorted set. - * - * @param {Object} elem The elem to find the position for in the set - * @param {Number} start An optional index at which to start searching from - * within the set. - * @param {Number} end An optional index at which to stop search from within - * the set. - * @returns {Number} - * @memberOf SortedSet - */ -lunr.SortedSet.prototype.locationFor = function (elem, start, end) { - var start = start || 0, - end = end || this.elements.length, - sectionLength = end - start, - pivot = start + Math.floor(sectionLength / 2), - pivotElem = this.elements[pivot] - - if (sectionLength <= 1) { - if (pivotElem > elem) return pivot - if (pivotElem < elem) return pivot + 1 - } - - if (pivotElem < elem) return this.locationFor(elem, pivot, end) - if (pivotElem > elem) return this.locationFor(elem, start, pivot) -} - -/** - * Creates a new lunr.SortedSet that contains the elements in the intersection - * of this set and the passed set. - * - * @param {lunr.SortedSet} otherSet The set to intersect with this set. - * @returns {lunr.SortedSet} - * @memberOf SortedSet - */ -lunr.SortedSet.prototype.intersect = function (otherSet) { - var intersectSet = new lunr.SortedSet, - i = 0, j = 0, - a_len = this.length, b_len = otherSet.length, - a = this.elements, b = otherSet.elements - - while (true) { - if (i > a_len - 1 || j > b_len - 1) break - - if (a[i] === b[j]) { - intersectSet.add(a[i]) - i++, j++ - continue - } - - if (a[i] < b[j]) { - i++ - continue - } - - if (a[i] > b[j]) { - j++ - continue - } - }; - - return intersectSet -} - -/** - * Makes a copy of this set - * - * @returns {lunr.SortedSet} - * @memberOf SortedSet - */ -lunr.SortedSet.prototype.clone = function () { - var clone = new lunr.SortedSet - - clone.elements = this.toArray() - clone.length = clone.elements.length - - return clone -} - -/** - * Creates a new lunr.SortedSet that contains the elements in the union - * of this set and the passed set. - * - * @param {lunr.SortedSet} otherSet The set to union with this set. - * @returns {lunr.SortedSet} - * @memberOf SortedSet - */ -lunr.SortedSet.prototype.union = function (otherSet) { - var longSet, shortSet, unionSet - - if (this.length >= otherSet.length) { - longSet = this, shortSet = otherSet - } else { - longSet = otherSet, shortSet = this - } - - unionSet = longSet.clone() - - unionSet.add.apply(unionSet, shortSet.toArray()) - - return unionSet -} - -/** - * Returns a representation of the sorted set ready for serialisation. - * - * @returns {Array} - * @memberOf SortedSet - */ -lunr.SortedSet.prototype.toJSON = function () { - return this.toArray() -} -/*! - * lunr.Index - * Copyright (C) 2014 Oliver Nightingale - */ - -/** - * lunr.Index is object that manages a search index. It contains the indexes - * and stores all the tokens and document lookups. It also provides the main - * user facing API for the library. - * - * @constructor - */ -lunr.Index = function () { - this._fields = [] - this._ref = 'id' - this.pipeline = new lunr.Pipeline - this.documentStore = new lunr.Store - this.tokenStore = new lunr.TokenStore - this.corpusTokens = new lunr.SortedSet - this.eventEmitter = new lunr.EventEmitter - - this._idfCache = {} - - this.on('add', 'remove', 'update', (function () { - this._idfCache = {} - }).bind(this)) -} - -/** - * Bind a handler to events being emitted by the index. - * - * The handler can be bound to many events at the same time. - * - * @param {String} [eventName] The name(s) of events to bind the function to. - * @param {Function} handler The serialised set to load. - * @memberOf Index - */ -lunr.Index.prototype.on = function () { - var args = Array.prototype.slice.call(arguments) - return this.eventEmitter.addListener.apply(this.eventEmitter, args) -} - -/** - * Removes a handler from an event being emitted by the index. - * - * @param {String} eventName The name of events to remove the function from. - * @param {Function} handler The serialised set to load. - * @memberOf Index - */ -lunr.Index.prototype.off = function (name, fn) { - return this.eventEmitter.removeListener(name, fn) -} - -/** - * Loads a previously serialised index. - * - * Issues a warning if the index being imported was serialised - * by a different version of lunr. - * - * @param {Object} serialisedData The serialised set to load. - * @returns {lunr.Index} - * @memberOf Index - */ -lunr.Index.load = function (serialisedData) { - if (serialisedData.version !== lunr.version) { - lunr.utils.warn('version mismatch: current ' + lunr.version + ' importing ' + serialisedData.version) - } - - var idx = new this - - idx._fields = serialisedData.fields - idx._ref = serialisedData.ref - - idx.documentStore = lunr.Store.load(serialisedData.documentStore) - idx.tokenStore = lunr.TokenStore.load(serialisedData.tokenStore) - idx.corpusTokens = lunr.SortedSet.load(serialisedData.corpusTokens) - idx.pipeline = lunr.Pipeline.load(serialisedData.pipeline) - - return idx -} - -/** - * Adds a field to the list of fields that will be searchable within documents - * in the index. - * - * An optional boost param can be passed to affect how much tokens in this field - * rank in search results, by default the boost value is 1. - * - * Fields should be added before any documents are added to the index, fields - * that are added after documents are added to the index will only apply to new - * documents added to the index. - * - * @param {String} fieldName The name of the field within the document that - * should be indexed - * @param {Number} boost An optional boost that can be applied to terms in this - * field. - * @returns {lunr.Index} - * @memberOf Index - */ -lunr.Index.prototype.field = function (fieldName, opts) { - var opts = opts || {}, - field = { name: fieldName, boost: opts.boost || 1 } - - this._fields.push(field) - return this -} - -/** - * Sets the property used to uniquely identify documents added to the index, - * by default this property is 'id'. - * - * This should only be changed before adding documents to the index, changing - * the ref property without resetting the index can lead to unexpected results. - * - * @param {String} refName The property to use to uniquely identify the - * documents in the index. - * @param {Boolean} emitEvent Whether to emit add events, defaults to true - * @returns {lunr.Index} - * @memberOf Index - */ -lunr.Index.prototype.ref = function (refName) { - this._ref = refName - return this -} - -/** - * Add a document to the index. - * - * This is the way new documents enter the index, this function will run the - * fields from the document through the index's pipeline and then add it to - * the index, it will then show up in search results. - * - * An 'add' event is emitted with the document that has been added and the index - * the document has been added to. This event can be silenced by passing false - * as the second argument to add. - * - * @param {Object} doc The document to add to the index. - * @param {Boolean} emitEvent Whether or not to emit events, default true. - * @memberOf Index - */ -lunr.Index.prototype.add = function (doc, emitEvent) { - var docTokens = {}, - allDocumentTokens = new lunr.SortedSet, - docRef = doc[this._ref], - emitEvent = emitEvent === undefined ? true : emitEvent - - this._fields.forEach(function (field) { - var fieldTokens = this.pipeline.run(lunr.tokenizer(doc[field.name])) - - docTokens[field.name] = fieldTokens - lunr.SortedSet.prototype.add.apply(allDocumentTokens, fieldTokens) - }, this) - - this.documentStore.set(docRef, allDocumentTokens) - lunr.SortedSet.prototype.add.apply(this.corpusTokens, allDocumentTokens.toArray()) - - for (var i = 0; i < allDocumentTokens.length; i++) { - var token = allDocumentTokens.elements[i] - var tf = this._fields.reduce(function (memo, field) { - var fieldLength = docTokens[field.name].length - - if (!fieldLength) return memo - - var tokenCount = docTokens[field.name].filter(function (t) { return t === token }).length - - return memo + (tokenCount / fieldLength * field.boost) - }, 0) - - this.tokenStore.add(token, { ref: docRef, tf: tf }) - }; - - if (emitEvent) this.eventEmitter.emit('add', doc, this) -} - -/** - * Removes a document from the index. - * - * To make sure documents no longer show up in search results they can be - * removed from the index using this method. - * - * The document passed only needs to have the same ref property value as the - * document that was added to the index, they could be completely different - * objects. - * - * A 'remove' event is emitted with the document that has been removed and the index - * the document has been removed from. This event can be silenced by passing false - * as the second argument to remove. - * - * @param {Object} doc The document to remove from the index. - * @param {Boolean} emitEvent Whether to emit remove events, defaults to true - * @memberOf Index - */ -lunr.Index.prototype.remove = function (doc, emitEvent) { - var docRef = doc[this._ref], - emitEvent = emitEvent === undefined ? true : emitEvent - - if (!this.documentStore.has(docRef)) return - - var docTokens = this.documentStore.get(docRef) - - this.documentStore.remove(docRef) - - docTokens.forEach(function (token) { - this.tokenStore.remove(token, docRef) - }, this) - - if (emitEvent) this.eventEmitter.emit('remove', doc, this) -} - -/** - * Updates a document in the index. - * - * When a document contained within the index gets updated, fields changed, - * added or removed, to make sure it correctly matched against search queries, - * it should be updated in the index. - * - * This method is just a wrapper around `remove` and `add` - * - * An 'update' event is emitted with the document that has been updated and the index. - * This event can be silenced by passing false as the second argument to update. Only - * an update event will be fired, the 'add' and 'remove' events of the underlying calls - * are silenced. - * - * @param {Object} doc The document to update in the index. - * @param {Boolean} emitEvent Whether to emit update events, defaults to true - * @see Index.prototype.remove - * @see Index.prototype.add - * @memberOf Index - */ -lunr.Index.prototype.update = function (doc, emitEvent) { - var emitEvent = emitEvent === undefined ? true : emitEvent - - this.remove(doc, false) - this.add(doc, false) - - if (emitEvent) this.eventEmitter.emit('update', doc, this) -} - -/** - * Calculates the inverse document frequency for a token within the index. - * - * @param {String} token The token to calculate the idf of. - * @see Index.prototype.idf - * @private - * @memberOf Index - */ -lunr.Index.prototype.idf = function (term) { - var cacheKey = "@" + term - if (Object.prototype.hasOwnProperty.call(this._idfCache, cacheKey)) return this._idfCache[cacheKey] - - var documentFrequency = this.tokenStore.count(term), - idf = 1 - - if (documentFrequency > 0) { - idf = 1 + Math.log(this.tokenStore.length / documentFrequency) - } - - return this._idfCache[cacheKey] = idf -} - -/** - * Searches the index using the passed query. - * - * Queries should be a string, multiple words are allowed and will lead to an - * AND based query, e.g. `idx.search('foo bar')` will run a search for - * documents containing both 'foo' and 'bar'. - * - * All query tokens are passed through the same pipeline that document tokens - * are passed through, so any language processing involved will be run on every - * query term. - * - * Each query term is expanded, so that the term 'he' might be expanded to - * 'hello' and 'help' if those terms were already included in the index. - * - * Matching documents are returned as an array of objects, each object contains - * the matching document ref, as set for this index, and the similarity score - * for this document against the query. - * - * @param {String} query The query to search the index with. - * @returns {Object} - * @see Index.prototype.idf - * @see Index.prototype.documentVector - * @memberOf Index - */ -lunr.Index.prototype.search = function (query) { - var queryTokens = this.pipeline.run(lunr.tokenizer(query)), - queryVector = new lunr.Vector, - documentSets = [], - fieldBoosts = this._fields.reduce(function (memo, f) { return memo + f.boost }, 0) - - var hasSomeToken = queryTokens.some(function (token) { - return this.tokenStore.has(token) - }, this) - - if (!hasSomeToken) return [] - - queryTokens - .forEach(function (token, i, tokens) { - var tf = 1 / tokens.length * this._fields.length * fieldBoosts, - self = this - - var set = this.tokenStore.expand(token).reduce(function (memo, key) { - var pos = self.corpusTokens.indexOf(key), - idf = self.idf(key), - similarityBoost = 1, - set = new lunr.SortedSet - - // if the expanded key is not an exact match to the token then - // penalise the score for this key by how different the key is - // to the token. - if (key !== token) { - var diff = Math.max(3, key.length - token.length) - similarityBoost = 1 / Math.log(diff) - } - - // calculate the query tf-idf score for this token - // applying an similarityBoost to ensure exact matches - // these rank higher than expanded terms - if (pos > -1) queryVector.insert(pos, tf * idf * similarityBoost) - - // add all the documents that have this key into a set - Object.keys(self.tokenStore.get(key)).forEach(function (ref) { set.add(ref) }) - - return memo.union(set) - }, new lunr.SortedSet) - - documentSets.push(set) - }, this) - - var documentSet = documentSets.reduce(function (memo, set) { - return memo.intersect(set) - }) - - return documentSet - .map(function (ref) { - return { ref: ref, score: queryVector.similarity(this.documentVector(ref)) } - }, this) - .sort(function (a, b) { - return b.score - a.score - }) -} - -/** - * Generates a vector containing all the tokens in the document matching the - * passed documentRef. - * - * The vector contains the tf-idf score for each token contained in the - * document with the passed documentRef. The vector will contain an element - * for every token in the indexes corpus, if the document does not contain that - * token the element will be 0. - * - * @param {Object} documentRef The ref to find the document with. - * @returns {lunr.Vector} - * @private - * @memberOf Index - */ -lunr.Index.prototype.documentVector = function (documentRef) { - var documentTokens = this.documentStore.get(documentRef), - documentTokensLength = documentTokens.length, - documentVector = new lunr.Vector - - for (var i = 0; i < documentTokensLength; i++) { - var token = documentTokens.elements[i], - tf = this.tokenStore.get(token)[documentRef].tf, - idf = this.idf(token) - - documentVector.insert(this.corpusTokens.indexOf(token), tf * idf) - }; - - return documentVector -} - -/** - * Returns a representation of the index ready for serialisation. - * - * @returns {Object} - * @memberOf Index - */ -lunr.Index.prototype.toJSON = function () { - return { - version: lunr.version, - fields: this._fields, - ref: this._ref, - documentStore: this.documentStore.toJSON(), - tokenStore: this.tokenStore.toJSON(), - corpusTokens: this.corpusTokens.toJSON(), - pipeline: this.pipeline.toJSON() - } -} - -/** - * Applies a plugin to the current index. - * - * A plugin is a function that is called with the index as its context. - * Plugins can be used to customise or extend the behaviour the index - * in some way. A plugin is just a function, that encapsulated the custom - * behaviour that should be applied to the index. - * - * The plugin function will be called with the index as its argument, additional - * arguments can also be passed when calling use. The function will be called - * with the index as its context. - * - * Example: - * - * var myPlugin = function (idx, arg1, arg2) { - * // `this` is the index to be extended - * // apply any extensions etc here. - * } - * - * var idx = lunr(function () { - * this.use(myPlugin, 'arg1', 'arg2') - * }) - * - * @param {Function} plugin The plugin to apply. - * @memberOf Index - */ -lunr.Index.prototype.use = function (plugin) { - var args = Array.prototype.slice.call(arguments, 1) - args.unshift(this) - plugin.apply(this, args) -} -/*! - * lunr.Store - * Copyright (C) 2014 Oliver Nightingale - */ - -/** - * lunr.Store is a simple key-value store used for storing sets of tokens for - * documents stored in index. - * - * @constructor - * @module - */ -lunr.Store = function () { - this.store = {} - this.length = 0 -} - -/** - * Loads a previously serialised store - * - * @param {Object} serialisedData The serialised store to load. - * @returns {lunr.Store} - * @memberOf Store - */ -lunr.Store.load = function (serialisedData) { - var store = new this - - store.length = serialisedData.length - store.store = Object.keys(serialisedData.store).reduce(function (memo, key) { - memo[key] = lunr.SortedSet.load(serialisedData.store[key]) - return memo - }, {}) - - return store -} - -/** - * Stores the given tokens in the store against the given id. - * - * @param {Object} id The key used to store the tokens against. - * @param {Object} tokens The tokens to store against the key. - * @memberOf Store - */ -lunr.Store.prototype.set = function (id, tokens) { - this.store[id] = tokens - this.length = Object.keys(this.store).length -} - -/** - * Retrieves the tokens from the store for a given key. - * - * @param {Object} id The key to lookup and retrieve from the store. - * @returns {Object} - * @memberOf Store - */ -lunr.Store.prototype.get = function (id) { - return this.store[id] -} - -/** - * Checks whether the store contains a key. - * - * @param {Object} id The id to look up in the store. - * @returns {Boolean} - * @memberOf Store - */ -lunr.Store.prototype.has = function (id) { - return id in this.store -} - -/** - * Removes the value for a key in the store. - * - * @param {Object} id The id to remove from the store. - * @memberOf Store - */ -lunr.Store.prototype.remove = function (id) { - if (!this.has(id)) return - - delete this.store[id] - this.length-- -} - -/** - * Returns a representation of the store ready for serialisation. - * - * @returns {Object} - * @memberOf Store - */ -lunr.Store.prototype.toJSON = function () { - return { - store: this.store, - length: this.length - } -} - -/*! - * lunr.stemmer - * Copyright (C) 2014 Oliver Nightingale - * Includes code from - http://tartarus.org/~martin/PorterStemmer/js.txt - */ - -/** - * lunr.stemmer is an english language stemmer, this is a JavaScript - * implementation of the PorterStemmer taken from http://tartaurs.org/~martin - * - * @module - * @param {String} str The string to stem - * @returns {String} - * @see lunr.Pipeline - */ -lunr.stemmer = (function(){ - var step2list = { - "ational" : "ate", - "tional" : "tion", - "enci" : "ence", - "anci" : "ance", - "izer" : "ize", - "bli" : "ble", - "alli" : "al", - "entli" : "ent", - "eli" : "e", - "ousli" : "ous", - "ization" : "ize", - "ation" : "ate", - "ator" : "ate", - "alism" : "al", - "iveness" : "ive", - "fulness" : "ful", - "ousness" : "ous", - "aliti" : "al", - "iviti" : "ive", - "biliti" : "ble", - "logi" : "log" - }, - - step3list = { - "icate" : "ic", - "ative" : "", - "alize" : "al", - "iciti" : "ic", - "ical" : "ic", - "ful" : "", - "ness" : "" - }, - - c = "[^aeiou]", // consonant - v = "[aeiouy]", // vowel - C = c + "[^aeiouy]*", // consonant sequence - V = v + "[aeiou]*", // vowel sequence - - mgr0 = "^(" + C + ")?" + V + C, // [C]VC... is m>0 - meq1 = "^(" + C + ")?" + V + C + "(" + V + ")?$", // [C]VC[V] is m=1 - mgr1 = "^(" + C + ")?" + V + C + V + C, // [C]VCVC... is m>1 - s_v = "^(" + C + ")?" + v; // vowel in stem - - return function (w) { - var stem, - suffix, - firstch, - re, - re2, - re3, - re4; - - if (w.length < 3) { return w; } - - firstch = w.substr(0,1); - if (firstch == "y") { - w = firstch.toUpperCase() + w.substr(1); - } - - // Step 1a - re = /^(.+?)(ss|i)es$/; - re2 = /^(.+?)([^s])s$/; - - if (re.test(w)) { w = w.replace(re,"$1$2"); } - else if (re2.test(w)) { w = w.replace(re2,"$1$2"); } - - // Step 1b - re = /^(.+?)eed$/; - re2 = /^(.+?)(ed|ing)$/; - if (re.test(w)) { - var fp = re.exec(w); - re = new RegExp(mgr0); - if (re.test(fp[1])) { - re = /.$/; - w = w.replace(re,""); - } - } else if (re2.test(w)) { - var fp = re2.exec(w); - stem = fp[1]; - re2 = new RegExp(s_v); - if (re2.test(stem)) { - w = stem; - re2 = /(at|bl|iz)$/; - re3 = new RegExp("([^aeiouylsz])\\1$"); - re4 = new RegExp("^" + C + v + "[^aeiouwxy]$"); - if (re2.test(w)) { w = w + "e"; } - else if (re3.test(w)) { re = /.$/; w = w.replace(re,""); } - else if (re4.test(w)) { w = w + "e"; } - } - } - - // Step 1c - re = /^(.+?)y$/; - if (re.test(w)) { - var fp = re.exec(w); - stem = fp[1]; - re = new RegExp(s_v); - if (re.test(stem)) { w = stem + "i"; } - } - - // Step 2 - re = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/; - if (re.test(w)) { - var fp = re.exec(w); - stem = fp[1]; - suffix = fp[2]; - re = new RegExp(mgr0); - if (re.test(stem)) { - w = stem + step2list[suffix]; - } - } - - // Step 3 - re = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/; - if (re.test(w)) { - var fp = re.exec(w); - stem = fp[1]; - suffix = fp[2]; - re = new RegExp(mgr0); - if (re.test(stem)) { - w = stem + step3list[suffix]; - } - } - - // Step 4 - re = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/; - re2 = /^(.+?)(s|t)(ion)$/; - if (re.test(w)) { - var fp = re.exec(w); - stem = fp[1]; - re = new RegExp(mgr1); - if (re.test(stem)) { - w = stem; - } - } else if (re2.test(w)) { - var fp = re2.exec(w); - stem = fp[1] + fp[2]; - re2 = new RegExp(mgr1); - if (re2.test(stem)) { - w = stem; - } - } - - // Step 5 - re = /^(.+?)e$/; - if (re.test(w)) { - var fp = re.exec(w); - stem = fp[1]; - re = new RegExp(mgr1); - re2 = new RegExp(meq1); - re3 = new RegExp("^" + C + v + "[^aeiouwxy]$"); - if (re.test(stem) || (re2.test(stem) && !(re3.test(stem)))) { - w = stem; - } - } - - re = /ll$/; - re2 = new RegExp(mgr1); - if (re.test(w) && re2.test(w)) { - re = /.$/; - w = w.replace(re,""); - } - - // and turn initial Y back to y - - if (firstch == "y") { - w = firstch.toLowerCase() + w.substr(1); - } - - return w; - } -})(); - -lunr.Pipeline.registerFunction(lunr.stemmer, 'stemmer') -/*! - * lunr.stopWordFilter - * Copyright (C) 2014 Oliver Nightingale - */ - -/** - * lunr.stopWordFilter is an English language stop word list filter, any words - * contained in the list will not be passed through the filter. - * - * This is intended to be used in the Pipeline. If the token does not pass the - * filter then undefined will be returned. - * - * @module - * @param {String} token The token to pass through the filter - * @returns {String} - * @see lunr.Pipeline - */ -lunr.stopWordFilter = function (token) { - if (lunr.stopWordFilter.stopWords.indexOf(token) === -1) return token -} - -lunr.stopWordFilter.stopWords = new lunr.SortedSet -lunr.stopWordFilter.stopWords.length = 119 -lunr.stopWordFilter.stopWords.elements = [ - "", - "a", - "able", - "about", - "across", - "after", - "all", - "almost", - "also", - "am", - "among", - "an", - "and", - "any", - "are", - "as", - "at", - "be", - "because", - "been", - "but", - "by", - "can", - "cannot", - "could", - "dear", - "did", - "do", - "does", - "either", - "else", - "ever", - "every", - "for", - "from", - "get", - "got", - "had", - "has", - "have", - "he", - "her", - "hers", - "him", - "his", - "how", - "however", - "i", - "if", - "in", - "into", - "is", - "it", - "its", - "just", - "least", - "let", - "like", - "likely", - "may", - "me", - "might", - "most", - "must", - "my", - "neither", - "no", - "nor", - "not", - "of", - "off", - "often", - "on", - "only", - "or", - "other", - "our", - "own", - "rather", - "said", - "say", - "says", - "she", - "should", - "since", - "so", - "some", - "than", - "that", - "the", - "their", - "them", - "then", - "there", - "these", - "they", - "this", - "tis", - "to", - "too", - "twas", - "us", - "wants", - "was", - "we", - "were", - "what", - "when", - "where", - "which", - "while", - "who", - "whom", - "why", - "will", - "with", - "would", - "yet", - "you", - "your" -] - -lunr.Pipeline.registerFunction(lunr.stopWordFilter, 'stopWordFilter') -/*! - * lunr.trimmer - * Copyright (C) 2014 Oliver Nightingale - */ - -/** - * lunr.trimmer is a pipeline function for trimming non word - * characters from the begining and end of tokens before they - * enter the index. - * - * This implementation may not work correctly for non latin - * characters and should either be removed or adapted for use - * with languages with non-latin characters. - * - * @module - * @param {String} token The token to pass through the filter - * @returns {String} - * @see lunr.Pipeline - */ -lunr.trimmer = function (token) { - return token - .replace(/^\W+/, '') - .replace(/\W+$/, '') -} - -lunr.Pipeline.registerFunction(lunr.trimmer, 'trimmer') -/*! - * lunr.stemmer - * Copyright (C) 2014 Oliver Nightingale - * Includes code from - http://tartarus.org/~martin/PorterStemmer/js.txt - */ - -/** - * lunr.TokenStore is used for efficient storing and lookup of the reverse - * index of token to document ref. - * - * @constructor - */ -lunr.TokenStore = function () { - this.root = { docs: {} } - this.length = 0 -} - -/** - * Loads a previously serialised token store - * - * @param {Object} serialisedData The serialised token store to load. - * @returns {lunr.TokenStore} - * @memberOf TokenStore - */ -lunr.TokenStore.load = function (serialisedData) { - var store = new this - - store.root = serialisedData.root - store.length = serialisedData.length - - return store -} - -/** - * Adds a new token doc pair to the store. - * - * By default this function starts at the root of the current store, however - * it can start at any node of any token store if required. - * - * @param {String} token The token to store the doc under - * @param {Object} doc The doc to store against the token - * @param {Object} root An optional node at which to start looking for the - * correct place to enter the doc, by default the root of this lunr.TokenStore - * is used. - * @memberOf TokenStore - */ -lunr.TokenStore.prototype.add = function (token, doc, root) { - var root = root || this.root, - key = token[0], - rest = token.slice(1) - - if (!(key in root)) root[key] = {docs: {}} - - if (rest.length === 0) { - root[key].docs[doc.ref] = doc - this.length += 1 - return - } else { - return this.add(rest, doc, root[key]) - } -} - -/** - * Checks whether this key is contained within this lunr.TokenStore. - * - * By default this function starts at the root of the current store, however - * it can start at any node of any token store if required. - * - * @param {String} token The token to check for - * @param {Object} root An optional node at which to start - * @memberOf TokenStore - */ -lunr.TokenStore.prototype.has = function (token) { - if (!token) return false - - var node = this.root - - for (var i = 0; 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i < token.length; i++) { - if (!(token[i] in node)) return - node = node[token[i]] - } - - delete node.docs[ref] -} - -/** - * Find all the possible suffixes of the passed token using tokens - * currently in the store. - * - * @param {String} token The token to expand. - * @returns {Array} - * @memberOf TokenStore - */ -lunr.TokenStore.prototype.expand = function (token, memo) { - var root = this.getNode(token), - docs = root.docs || {}, - memo = memo || [] - - if (Object.keys(docs).length) memo.push(token) - - Object.keys(root) - .forEach(function (key) { - if (key === 'docs') return - - memo.concat(this.expand(token + key, memo)) - }, this) - - return memo -} - -/** - * Returns a representation of the token store ready for serialisation. - * - * @returns {Object} - * @memberOf TokenStore - */ -lunr.TokenStore.prototype.toJSON = function () { - return { - root: this.root, - length: this.length - } -} - - - /** - * export the module via AMD, CommonnJS or as a browser global - * Export code from https://github.com/umdjs/umd/blob/master/returnExports.js - */ - ;(function (root, factory) { - if (typeof define === 'function' && define.amd) { - // AMD. Register as an anonymous module. - define('lunr',factory) - } else if (typeof exports === 'object') { - /** - * Node. Does not work with strict CommonJS, but - * only CommonJS-like enviroments that support module.exports, - * like Node. - */ - module.exports = factory() - } else { - // Browser globals (root is window) - root.lunr = factory() - } - }(this, function () { - /** - * Just return a value to define the module export. - * This example returns an object, but the module - * can return a function as the exported value. - */ - return lunr - })) -})() -; -define('core/search',[ - "jQuery", - "lodash", - "lunr", - "utils/storage", - "core/state", - "core/sidebar" -], function($, _, lunr, storage, state, sidebar) { - var index = null; - var $searchBar = state.$book.find(".book-search"); - var $searchInput = $searchBar.find("input"); - - // Use a specific idnex - var useIndex = function(data) { - index = lunr.Index.load(data); - }; - - // Load complete index - var loadIndex = function() { - $.getJSON(state.basePath+"/search_index.json") - .then(useIndex); - }; - - // Search for a term - var search = function(q) { - if (!index) return; - var results = _.chain(index.search(q)) - .map(function(result) { - var parts = result.ref.split("#") - return { - path: parts[0], - hash: parts[1] - } - }) - .value(); - - return results; - }; - - // Toggle search bar - var toggleSearch = function(_state) { - if (state != null && isSearchOpen() == _state) return; - - state.$book.toggleClass("with-search", _state); - - // If search bar is open: focus input - if (isSearchOpen()) { - sidebar.toggle(true); - $searchInput.focus(); - } else { - $searchInput.blur(); - $searchInput.val(""); - sidebar.filter(null); - } - }; - - // Return true if search bar is open - var isSearchOpen = function() { - return state.$book.hasClass("with-search"); - }; - - - var init = function() { - loadIndex(); - - // Toggle search - state.$book.find(".book-header .toggle-search").click(function(e) { - e.preventDefault(); - toggleSearch(); - }); - - $searchInput.keyup(function(e) { - var key = (e.keyCode ? e.keyCode : e.which); - var q = $(this).val(); - - if (key == 27) { - e.preventDefault(); - toggleSearch(false); - return; - } - if (q.length == 0) { - sidebar.filter(null); - } else { - var results = search(q); - sidebar.filter( - _.pluck(results, "path") - ); - } - }); - }; - - return { - init: init, - search: search, - toggle: toggleSearch - }; -}); -define('core/keyboard',[ - "jQuery", - "Mousetrap", - "core/navigation", - "core/sidebar", - "core/search" -], function($, Mousetrap, navigation, sidebar, search){ - // Bind keyboard shortcuts - var init = function() { - // Next - Mousetrap.bind(['right'], function(e) { - navigation.goNext(); - return false; - }); - - // Prev - Mousetrap.bind(['left'], function(e) { - navigation.goPrev(); - return false; - }); - - // Toggle Summary - Mousetrap.bind(['s'], function(e) { - sidebar.toggle(); - return false; - }); - - // Toggle Search - Mousetrap.bind(['f'], function(e) { - search.toggle(); - return false; - }); - }; - - return { - init: init, - search: search - }; -}); -define('execute/javascript',[],function() { - return { - id: "javascript", - assertCode: "function assert(condition, message) { \nif (!condition) { \n throw message || \"Assertion failed\"; 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- break; - default: - console.log('Unhandled event =', eventType, 'data =', data); - } - }; - - repl = new lang.REPL({ - input: eventHandler, - output: eventHandler, - result: eventHandler, - error: eventHandler, - progress: eventHandler, - timeout: { - time: 30000, - callback: eventHandler - } - }); - - repl.loadLanguage(lang.id, eventHandler); - }; - - var execute = function(lang, solution, validation, callback) { - // Check language is supported - if (!LANGUAGES[lang]) return callback(new Error("Language '"+lang+"' not available for execution")); - - // Validate with validation code - var code = [solution, LANGUAGES[lang].assertCode, validation].join(";\n"); - evalJS(LANGUAGES[lang], code, function(err, res) { - if(err) return callback(err); - - if (res.type == "error") callback(new Error(res.value)); - else callback(null, res.value); - }); - }; - - return execute; -}); -define('core/exercise',[ - "jQuery", - "utils/execute", - "utils/analytic", - "core/state" -], function($, execute, analytic, state){ - // Bind an exercise - var prepareExercise = function($exercise) { - var codeSolution = $exercise.find(".code-solution").text(); - var codeValidation = $exercise.find(".code-validation").text(); - - var editor = ace.edit($exercise.find(".editor").get(0)); - editor.setTheme("ace/theme/tomorrow"); - editor.getSession().setUseWorker(false); - editor.getSession().setMode("ace/mode/javascript"); - - // Submit: test code - $exercise.find(".action-submit").click(function(e) { - e.preventDefault(); - - analytic.track("exercise.submit"); - - execute("javascript", editor.getValue(), codeValidation, function(err, result) { - $exercise.toggleClass("return-error", err != null); - $exercise.toggleClass("return-success", err == null); - if (err) $exercise.find(".alert-danger").text(err.message || err); - }); - }); - - // Set solution - $exercise.find(".action-solution").click(function(e) { - e.preventDefault(); - - editor.setValue(codeSolution); - editor.gotoLine(0); - }); - }; - - // Prepare all exercise - var init = function() { - state.$book.find("section.exercise").each(function() { - prepareExercise($(this)); - }); - }; - - return { - init: init, - prepare: prepareExercise - }; 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Date.now() : 0; - - storage.set("progress", progress); - }; - - // Show progress - var showProgress = function() { - // Update progress - var progress = getProgress(); - var $summary = $(".book-summary"); - - _.each(progress, function(value, level) { - $summary.find("li[data-level='"+level+"']").toggleClass("done", value > 0); - }); - - // Mark current progress - markProgress(getCurrentLevel(), true); - }; - - return { - 'current': getCurrentLevel, - 'levels': getLevels, - 'get': getProgress, - 'mark': markProgress, - 'show': showProgress - }; -}); -require([ - "jQuery", - "utils/storage", - "utils/analytic", - "utils/sharing", - - "core/state", - "core/keyboard", - "core/exercise", - "core/progress", - "core/sidebar", - "core/search" -], function($, storage, analytic, sharing, state, keyboard, exercise, progress, sidebar, search){ - $(document).ready(function() { - var $book = state.$book; - - // Init sidebar - sidebar.init(); - - // Load search - search.init(); - - // Init keyboard - 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This may cause problems when serialising the index.\n",t)},e.Pipeline.load=function(t){var n=new e.Pipeline;return t.forEach(function(t){var r=e.Pipeline.registeredFunctions[t];if(!r)throw new Error("Cannot load un-registered function: "+t);n.add(r)}),n},e.Pipeline.prototype.add=function(){var t=Array.prototype.slice.call(arguments);t.forEach(function(t){e.Pipeline.warnIfFunctionNotRegistered(t),this._stack.push(t)},this)},e.Pipeline.prototype.after=function(t,n){e.Pipeline.warnIfFunctionNotRegistered(n);var r=this._stack.indexOf(t)+1;this._stack.splice(r,0,n)},e.Pipeline.prototype.before=function(t,n){e.Pipeline.warnIfFunctionNotRegistered(n);var r=this._stack.indexOf(t);this._stack.splice(r,0,n)},e.Pipeline.prototype.remove=function(e){var t=this._stack.indexOf(e);this._stack.splice(t,1)},e.Pipeline.prototype.run=function(e){var t=[],n=e.length,r=this._stack.length;for(var i=0;i<n;i++){var s=e[i];for(var o=0;o<r;o++){s=this._stack[o](s,i,e);if(s===void 0)break}s!==void 0&&t.push(s)}return t},e.Pipeline.prototype.reset=function(){this._stack=[]},e.Pipeline.prototype.toJSON=function(){return this._stack.map(function(t){return e.Pipeline.warnIfFunctionNotRegistered(t),t.label})},e.Vector=function(){this._magnitude=null,this.list=undefined,this.length=0},e.Vector.Node=function(e,t,n){this.idx=e,this.val=t,this.next=n},e.Vector.prototype.insert=function(t,n){var r=this.list;if(!r)return this.list=new e.Vector.Node(t,n,r),this.length++;var i=r,s=r.next;while(s!=undefined){if(t<s.idx)return i.next=new e.Vector.Node(t,n,s),this.length++;i=s,s=s.next}return i.next=new e.Vector.Node(t,n,s),this.length++},e.Vector.prototype.magnitude=function(){if(this._magniture)return this._magnitude;var e=this.list,t=0,n;while(e)n=e.val,t+=n*n,e=e.next;return this._magnitude=Math.sqrt(t)},e.Vector.prototype.dot=function(e){var t=this.list,n=e.list,r=0;while(t&&n)t.idx<n.idx?t=t.next:t.idx>n.idx?n=n.next:(r+=t.val*n.val,t=t.next,n=n.next);return r},e.Vector.prototype.similarity=function(e){return this.dot(e)/(this.magnitude()*e.magnitude())},e.SortedSet=function(){this.length=0,this.elements=[]},e.SortedSet.load=function(e){var t=new this;return t.elements=e,t.length=e.length,t},e.SortedSet.prototype.add=function(){Array.prototype.slice.call(arguments).forEach(function(e){if(~this.indexOf(e))return;this.elements.splice(this.locationFor(e),0,e)},this),this.length=this.elements.length},e.SortedSet.prototype.toArray=function(){return this.elements.slice()},e.SortedSet.prototype.map=function(e,t){return this.elements.map(e,t)},e.SortedSet.prototype.forEach=function(e,t){return this.elements.forEach(e,t)},e.SortedSet.prototype.indexOf=function(e,t,n){var t=t||0,n=n||this.elements.length,r=n-t,i=t+Math.floor(r/2),s=this.elements[i];if(r<=1)return s===e?i:-1;if(s<e)return this.indexOf(e,i,n);if(s>e)return this.indexOf(e,t,i);if(s===e)return i},e.SortedSet.prototype.locationFor=function(e,t,n){var t=t||0,n=n||this.elements.length,r=n-t,i=t+Math.floor(r/2),s=this.elements[i];if(r<=1){if(s>e)return i;if(s<e)return i+1}if(s<e)return this.locationFor(e,i,n);if(s>e)return this.locationFor(e,t,i)},e.SortedSet.prototype.intersect=function(t){var n=new e.SortedSet,r=0,i=0,s=this.length,o=t.length,u=this.elements,a=t.elements;for(;;){if(r>s-1||i>o-1)break;if(u[r]===a[i]){n.add(u[r]),r++,i++;continue}if(u[r]<a[i]){r++;continue}if(u[r]>a[i]){i++;continue}}return n},e.SortedSet.prototype.clone=function(){var t=new e.SortedSet;return t.elements=this.toArray(),t.length=t.elements.length,t},e.SortedSet.prototype.union=function(e){var t,n,r;return this.length>=e.length?(t=this,n=e):(t=e,n=this),r=t.clone(),r.add.apply(r,n.toArray()),r},e.SortedSet.prototype.toJSON=function(){return this.toArray()},e.Index=function(){this._fields=[],this._ref="id",this.pipeline=new e.Pipeline,this.documentStore=new e.Store,this.tokenStore=new e.TokenStore,this.corpusTokens=new e.SortedSet,this.eventEmitter=new e.EventEmitter,this._idfCache={},this.on("add","remove","update",function(){this._idfCache={}}.bind(this))},e.Index.prototype.on=function(){var e=Array.prototype.slice.call(arguments);return this.eventEmitter.addListener.apply(this.eventEmitter,e)},e.Index.prototype.off=function(e,t){return this.eventEmitter.removeListener(e,t)},e.Index.load=function(t){t.version!==e.version&&e.utils.warn("version mismatch: current "+e.version+" importing "+t.version);var n=new this;return n._fields=t.fields,n._ref=t.ref,n.documentStore=e.Store.load(t.documentStore),n.tokenStore=e.TokenStore.load(t.tokenStore),n.corpusTokens=e.SortedSet.load(t.corpusTokens),n.pipeline=e.Pipeline.load(t.pipeline),n},e.Index.prototype.field=function(e,t){var t=t||{},n={name:e,boost:t.boost||1};return this._fields.push(n),this},e.Index.prototype.ref=function(e){return this._ref=e,this},e.Index.prototype.add=function(t,n){var r={},i=new e.SortedSet,s=t[this._ref],n=n===undefined?!0:n;this._fields.forEach(function(n){var s=this.pipeline.run(e.tokenizer(t[n.name]));r[n.name]=s,e.SortedSet.prototype.add.apply(i,s)},this),this.documentStore.set(s,i),e.SortedSet.prototype.add.apply(this.corpusTokens,i.toArray());for(var o=0;o<i.length;o++){var u=i.elements[o],a=this._fields.reduce(function(e,t){var n=r[t.name].length;if(!n)return e;var i=r[t.name].filter(function(e){return e===u}).length;return e+i/n*t.boost},0);this.tokenStore.add(u,{ref:s,tf:a})}n&&this.eventEmitter.emit("add",t,this)},e.Index.prototype.remove=function(e,t){var n=e[this._ref],t=t===undefined?!0:t;if(!this.documentStore.has(n))return;var r=this.documentStore.get(n);this.documentStore.remove(n),r.forEach(function(e){this.tokenStore.remove(e,n)},this),t&&this.eventEmitter.emit("remove",e,this)},e.Index.prototype.update=function(e,t){var t=t===undefined?!0:t;this.remove(e,!1),this.add(e,!1),t&&this.eventEmitter.emit("update",e,this)},e.Index.prototype.idf=function(e){var t="@"+e;if(Object.prototype.hasOwnProperty.call(this._idfCache,t))return this._idfCache[t];var n=this.tokenStore.count(e),r=1;return n>0&&(r=1+Math.log(this.tokenStore.length/n)),this._idfCache[t]=r},e.Index.prototype.search=function(t){var n=this.pipeline.run(e.tokenizer(t)),r=new e.Vector,i=[],s=this._fields.reduce(function(e,t){return e+t.boost},0),o=n.some(function(e){return this.tokenStore.has(e)},this);if(!o)return[];n.forEach(function(t,n,o){var u=1/o.length*this._fields.length*s,a=this,f=this.tokenStore.expand(t).reduce(function(n,i){var s=a.corpusTokens.indexOf(i),o=a.idf(i),f=1,l=new e.SortedSet;if(i!==t){var c=Math.max(3,i.length-t.length);f=1/Math.log(c)}return s>-1&&r.insert(s,u*o*f),Object.keys(a.tokenStore.get(i)).forEach(function(e){l.add(e)}),n.union(l)},new e.SortedSet);i.push(f)},this);var u=i.reduce(function(e,t){return e.intersect(t)});return u.map(function(e){return{ref:e,score:r.similarity(this.documentVector(e))}},this).sort(function(e,t){return t.score-e.score})},e.Index.prototype.documentVector=function(t){var n=this.documentStore.get(t),r=n.length,i=new e.Vector;for(var s=0;s<r;s++){var o=n.elements[s],u=this.tokenStore.get(o)[t].tf,a=this.idf(o);i.insert(this.corpusTokens.indexOf(o),u*a)}return i},e.Index.prototype.toJSON=function(){return{version:e.version,fields:this._fields,ref:this._ref,documentStore:this.documentStore.toJSON(),tokenStore:this.tokenStore.toJSON(),corpusTokens:this.corpusTokens.toJSON(),pipeline:this.pipeline.toJSON()}},e.Index.prototype.use=function(e){var t=Array.prototype.slice.call(arguments,1);t.unshift(this),e.apply(this,t)},e.Store=function(){this.store={},this.length=0},e.Store.load=function(t){var n=new this;return n.length=t.length,n.store=Object.keys(t.store).reduce(function(n,r){return n[r]=e.SortedSet.load(t.store[r]),n},{}),n},e.Store.prototype.set=function(e,t){this.store[e]=t,this.length=Object.keys(this.store).length},e.Store.prototype.get=function(e){return this.store[e]},e.Store.prototype.has=function(e){return e in this.store},e.Store.prototype.remove=function(e){if(!this.has(e))return;delete this.store[e],this.length--},e.Store.prototype.toJSON=function(){return{store:this.store,length:this.length}},e.stemmer=function(){var e={ational:"ate",tional:"tion",enci:"ence",anci:"ance",izer:"ize",bli:"ble",alli:"al",entli:"ent",eli:"e",ousli:"ous",ization:"ize",ation:"ate",ator:"ate",alism:"al",iveness:"ive",fulness:"ful",ousness:"ous",aliti:"al",iviti:"ive",biliti:"ble",logi:"log"},t={icate:"ic",ative:"",alize:"al",iciti:"ic",ical:"ic",ful:"",ness:""},n="[^aeiou]",r="[aeiouy]",i=n+"[^aeiouy]*",s=r+"[aeiou]*",o="^("+i+")?"+s+i,u="^("+i+")?"+s+i+"("+s+")?$",a="^("+i+")?"+s+i+s+i,f="^("+i+")?"+r;return function(n){var s,l,c,h,p,d,m;if(n.length<3)return n;c=n.substr(0,1),c=="y"&&(n=c.toUpperCase()+n.substr(1)),h=/^(.+?)(ss|i)es$/,p=/^(.+?)([^s])s$/,h.test(n)?n=n.replace(h,"$1$2"):p.test(n)&&(n=n.replace(p,"$1$2")),h=/^(.+?)eed$/,p=/^(.+?)(ed|ing)$/;if(h.test(n)){var g=h.exec(n);h=new RegExp(o),h.test(g[1])&&(h=/.$/,n=n.replace(h,""))}else if(p.test(n)){var g=p.exec(n);s=g[1],p=new RegExp(f),p.test(s)&&(n=s,p=/(at|bl|iz)$/,d=new RegExp("([^aeiouylsz])\\1$"),m=new RegExp("^"+i+r+"[^aeiouwxy]$"),p.test(n)?n+="e":d.test(n)?(h=/.$/,n=n.replace(h,"")):m.test(n)&&(n+="e"))}h=/^(.+?)y$/;if(h.test(n)){var g=h.exec(n);s=g[1],h=new RegExp(f),h.test(s)&&(n=s+"i")}h=/^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/;if(h.test(n)){var g=h.exec(n);s=g[1],l=g[2],h=new RegExp(o),h.test(s)&&(n=s+e[l])}h=/^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/;if(h.test(n)){var g=h.exec(n);s=g[1],l=g[2],h=new RegExp(o),h.test(s)&&(n=s+t[l])}h=/^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/,p=/^(.+?)(s|t)(ion)$/;if(h.test(n)){var g=h.exec(n);s=g[1],h=new RegExp(a),h.test(s)&&(n=s)}else if(p.test(n)){var g=p.exec(n);s=g[1]+g[2],p=new RegExp(a),p.test(s)&&(n=s)}h=/^(.+?)e$/;if(h.test(n)){var g=h.exec(n);s=g[1],h=new RegExp(a),p=new RegExp(u),d=new RegExp("^"+i+r+"[^aeiouwxy]$");if(h.test(s)||p.test(s)&&!d.test(s))n=s}return h=/ll$/,p=new RegExp(a),h.test(n)&&p.test(n)&&(h=/.$/,n=n.replace(h,"")),c=="y"&&(n=c.toLowerCase()+n.substr(1)),n}}(),e.Pipeline.registerFunction(e.stemmer,"stemmer"),e.stopWordFilter=function(t){if(e.stopWordFilter.stopWords.indexOf(t)===-1)return t},e.stopWordFilter.stopWords=new e.SortedSet,e.stopWordFilter.stopWords.length=119,e.stopWordFilter.stopWords.elements=["","a","able","about","across","after","all","almost","also","am","among","an","and","any","are","as","at","be","because","been","but","by","can","cannot","could","dear","did","do","does","either","else","ever","every","for","from","get","got","had","has","have","he","her","hers","him","his","how","however","i","if","in","into","is","it","its","just","least","let","like","likely","may","me","might","most","must","my","neither","no","nor","not","of","off","often","on","only","or","other","our","own","rather","said","say","says","she","should","since","so","some","than","that","the","their","them","then","there","these","they","this","tis","to","too","twas","us","wants","was","we","were","what","when","where","which","while","who","whom","why","will","with","would","yet","you","your"],e.Pipeline.registerFunction(e.stopWordFilter,"stopWordFilter"),e.trimmer=function(e){return e.replace(/^\W+/,"").replace(/\W+$/,"")},e.Pipeline.registerFunction(e.trimmer,"trimmer"),e.TokenStore=function(){this.root={docs:{}},this.length=0},e.TokenStore.load=function(e){var t=new this;return t.root=e.root,t.length=e.length,t},e.TokenStore.prototype.add=function(e,t,n){var n=n||this.root,r=e[0],i=e.slice(1);r in n||(n[r]={docs:{}});if(i.length===0){n[r].docs[t.ref]=t,this.length+=1;return}return this.add(i,t,n[r])},e.TokenStore.prototype.has=function(e){if(!e)return!1;var t=this.root;for(var n=0;n<e.length;n++){if(!t[e[n]])return!1;t=t[e[n]]}return!0},e.TokenStore.prototype.getNode=function(e){if(!e)return{};var t=this.root;for(var n=0;n<e.length;n++){if(!t[e[n]])return{};t=t[e[n]]}return t},e.TokenStore.prototype.get=function(e,t){return this.getNode(e,t).docs||{}},e.TokenStore.prototype.count=function(e,t){return Object.keys(this.get(e,t)).length},e.TokenStore.prototype.remove=function(e,t){if(!e)return;var n=this.root;for(var r=0;r<e.length;r++){if(!(e[r]in n))return;n=n[e[r]]}delete n.docs[t]},e.TokenStore.prototype.expand=function(e,t){var n=this.getNode(e),r=n.docs||{},t=t||[];return Object.keys(r).length&&t.push(e),Object.keys(n).forEach(function(n){if(n==="docs")return;t.concat(this.expand(e+n,t))},this),t},e.TokenStore.prototype.toJSON=function(){return{root:this.root,length:this.length}},function(e,t){typeof define=="function"&&define.amd?define("lunr",t):typeof exports=="object"?module.exports=t():e.lunr=t()}(this,function(){return e})}(),define("core/search",["jQuery","lodash","lunr","utils/storage","core/state","core/sidebar"],function(e,t,n,r,i,s){var o=null,u=i.$book.find(".book-search"),a=u.find("input"),f=function(e){o=n.Index.load(e)},l=function(){e.getJSON(i.basePath+"/search_index.json").then(f)},c=function(e){if(!o)return;var n=t.chain(o.search(e)).map(function(e){var t=e.ref.split("#");return{path:t[0],hash:t[1]}}).value();return n},h=function(e){if(i!=null&&p()==e)return;i.$book.toggleClass("with-search",e),p()?(s.toggle(!0),a.focus()):(a.blur(),a.val(""),s.filter(null))},p=function(){return i.$book.hasClass("with-search")},d=function(){l(),i.$book.find(".book-header .toggle-search").click(function(e){e.preventDefault(),h()}),a.keyup(function(n){var r=n.keyCode?n.keyCode:n.which,i=e(this).val();if(r==27){n.preventDefault(),h(!1);return}if(i.length==0)s.filter(null);else{var o=c(i);s.filter(t.pluck(o,"path"))}})};return{init:d,search:c,toggle:h}}),define("core/keyboard",["jQuery","Mousetrap","core/navigation","core/sidebar","core/search"],function(e,t,n,r,i){var s=function(){t.bind(["right"],function(e){return n.goNext(),!1}),t.bind(["left"],function(e){return n.goPrev(),!1}),t.bind(["s"],function(e){return r.toggle(),!1}),t.bind(["f"],function(e){return i.toggle(),!1})};return{init:s,search:i}}),define("execute/javascript",[],function(){return{id:"javascript",assertCode:'function assert(condition, message) { \nif (!condition) { \n throw message || "Assertion failed"; \n } \n }\n',REPL:JSREPL,sep:";\n"}}),define("utils/execute",["execute/javascript"],function(e){var t={javascript:e},n=function(e,t,n){var r=!1,i=!1,s=function(){return i?console.error("Already finished"):(i=!0,n.apply(null,arguments))},o,u=function(e,n){console.log([n,e]);switch(n){case"progress":break;case"timeout":s(new Error(e));break;case"result":s(null,{value:e,type:"result"});break;case"error":if(r)return s(null,{value:e,type:"error"});return s(new Error(e));case"ready":r=!0,o.eval(t);break;default:console.log("Unhandled event =",n,"data =",e)}};o=new e.REPL({input:u,output:u,result:u,error:u,progress:u,timeout:{time:3e4,callback:u}}),o.loadLanguage(e.id,u)},r=function(e,r,i,s,o){var u=t[e];if(!u)return o(new Error("Language '"+e+"' not available for execution"));var a=[s,r,u.assertCode,i].join(u.sep);n(u,a,function(e,t){if(e)return o(e);t.type=="error"?o(new Error(t.value)):o(null,t.value)})};return r}),define("core/exercise",["jQuery","utils/execute","utils/analytic","core/state"],function(e,t,n,r){var i=function(e){var r=e.find(".code-solution").text(),i=e.find(".code-validation").text(),s=e.find(".code-context").text(),o=ace.edit(e.find(".editor").get(0));o.setTheme("ace/theme/tomorrow"),o.getSession().setUseWorker(!1),o.getSession().setMode("ace/mode/javascript"),e.find(".action-submit").click(function(r){r.preventDefault(),n.track("exercise.submit"),t("javascript",o.getValue(),i,s,function(t,n){e.toggleClass("return-error",t!=null),e.toggleClass("return-success",t==null),t&&e.find(".alert-danger").text(t.message||t)})}),e.find(".action-solution").click(function(e){e.preventDefault(),o.setValue(r),o.gotoLine(0)})},s=function(){r.$book.find("section.exercise").each(function(){i(e(this))})};return{init:s,prepare:i}}),define("core/progress",["lodash","jQuery","utils/storage","core/state"],function(e,t,n,r){var i=function(){return r.level},s=function(){var n=t(".book-summary li[data-level]");return e.map(n,function(e){return t(e).data("level").toString()})},o=function(){var t=n.get("progress",{}),r=s();return e.each(r,function(e){t[e]=t[e]||0}),t},u=function(e,t){t==null&&(t=!0);var r=o();r[e]=t?Date.now():0,n.set("progress",r)},a=function(){var n=o(),r=t(".book-summary");e.each(n,function(e,t){r.find("li[data-level='"+t+"']").toggleClass("done",e>0)}),u(i(),!0)};return{current:i,levels:s,get:o,mark:u,show:a}}),require(["jQuery","utils/storage","utils/analytic","utils/sharing","core/state","core/keyboard","core/exercise","core/progress","core/sidebar","core/search"],function(e,t,n,r,i,s,o,u,a,f){e(document).ready(function(){var n=i.$book;a.init(),f.init(),s.init(),i.githubId&&(t.setBaseKey(i.githubId),e.getJSON("https://api.github.com/repos/"+i.githubId).done(function(e){n.find(".count-star span").text(e.stargazers_count),n.find(".count-watch span").text(e.subscribers_count)})),o.init(),r.init(),u.show(),e(".book-body").focus()})}),define("app",function(){});
\ No newline at end of file diff --git a/theme/javascript/core/exercise.js b/theme/javascript/core/exercise.js index f890f2a..5219546 100644 --- a/theme/javascript/core/exercise.js +++ b/theme/javascript/core/exercise.js @@ -8,6 +8,7 @@ define([ var prepareExercise = function($exercise) { var codeSolution = $exercise.find(".code-solution").text(); var codeValidation = $exercise.find(".code-validation").text(); + var codeContext = $exercise.find(".code-context").text(); var editor = ace.edit($exercise.find(".editor").get(0)); editor.setTheme("ace/theme/tomorrow"); @@ -20,7 +21,7 @@ define([ analytic.track("exercise.submit"); - execute("javascript", editor.getValue(), codeValidation, function(err, result) { + execute("javascript", editor.getValue(), codeValidation, codeContext, function(err, result) { $exercise.toggleClass("return-error", err != null); $exercise.toggleClass("return-success", err == null); if (err) $exercise.find(".alert-danger").text(err.message || err); diff --git a/theme/javascript/execute/javascript.js b/theme/javascript/execute/javascript.js index d967038..ddbc2c1 100644 --- a/theme/javascript/execute/javascript.js +++ b/theme/javascript/execute/javascript.js @@ -2,6 +2,7 @@ define(function() { return { id: "javascript", assertCode: "function assert(condition, message) { \nif (!condition) { \n throw message || \"Assertion failed\"; \n } \n }\n", - REPL: JSREPL + REPL: JSREPL, + sep: ";\n", }; -});
\ No newline at end of file +}); diff --git a/theme/javascript/utils/execute.js b/theme/javascript/utils/execute.js index 76033f6..eb2a19b 100644 --- a/theme/javascript/utils/execute.js +++ b/theme/javascript/utils/execute.js @@ -71,13 +71,21 @@ define([ repl.loadLanguage(lang.id, eventHandler); }; - var execute = function(lang, solution, validation, callback) { + var execute = function(lang, solution, validation, context, callback) { + // Language data + var langd = LANGUAGES[lang]; + // Check language is supported - if (!LANGUAGES[lang]) return callback(new Error("Language '"+lang+"' not available for execution")); + if (!langd) return callback(new Error("Language '"+lang+"' not available for execution")); // Validate with validation code - var code = [solution, LANGUAGES[lang].assertCode, validation].join(";\n"); - evalJS(LANGUAGES[lang], code, function(err, res) { + var code = [ + context, + solution, + langd.assertCode, + validation, + ].join(langd.sep); + evalJS(langd, code, function(err, res) { if(err) return callback(err); if (res.type == "error") callback(new Error(res.value)); @@ -86,4 +94,4 @@ define([ }; return execute; -});
\ No newline at end of file +}); diff --git a/theme/templates/includes/book/exercise.html b/theme/templates/includes/book/exercise.html index fbf8505..faefbb7 100644 --- a/theme/templates/includes/book/exercise.html +++ b/theme/templates/includes/book/exercise.html @@ -16,6 +16,9 @@ <pre class="hidden code-solution">{{ section.code.solution }}</pre> <pre class="hidden code-validation">{{ section.code.validation }}</pre> +{% if section.code.context %} +<pre class="hidden code-context">{{ section.code.context }}</pre> +{% endif %} <div class="btn-group btn-group-justified"> <a href="#" class="btn btn-default action-submit">Submit</a> |