/** vim: et:ts=4:sw=4:sts=4
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* @license RequireJS 2.1.20 Copyright (c) 2010-2015, The Dojo Foundation All Rights Reserved.
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* Available via the MIT or new BSD license.
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* see: http://github.com/jrburke/requirejs for details
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*/
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//Not using strict: uneven strict support in browsers, #392, and causes
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//problems with requirejs.exec()/transpiler plugins that may not be strict.
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/*jslint regexp: true, nomen: true, sloppy: true */
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/*global window, navigator, document, importScripts, setTimeout, opera */
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var requirejs, require, define;
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(function (global) {
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var req, s, head, baseElement, dataMain, src,
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interactiveScript, currentlyAddingScript, mainScript, subPath,
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version = '2.1.20',
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commentRegExp = /(\/\*([\s\S]*?)\*\/|([^:]|^)\/\/(.*)$)/mg,
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cjsRequireRegExp = /[^.]\s*require\s*\(\s*["']([^'"\s]+)["']\s*\)/g,
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jsSuffixRegExp = /\.js$/,
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currDirRegExp = /^\.\//,
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op = Object.prototype,
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ostring = op.toString,
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hasOwn = op.hasOwnProperty,
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ap = Array.prototype,
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isBrowser = !!(typeof window !== 'undefined' && typeof navigator !== 'undefined' && window.document),
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isWebWorker = !isBrowser && typeof importScripts !== 'undefined',
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//PS3 indicates loaded and complete, but need to wait for complete
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//specifically. Sequence is 'loading', 'loaded', execution,
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// then 'complete'. The UA check is unfortunate, but not sure how
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//to feature test w/o causing perf issues.
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readyRegExp = isBrowser && navigator.platform === 'PLAYSTATION 3' ?
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/^complete$/ : /^(complete|loaded)$/,
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defContextName = '_',
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//Oh the tragedy, detecting opera. See the usage of isOpera for reason.
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isOpera = typeof opera !== 'undefined' && opera.toString() === '[object Opera]',
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contexts = {},
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cfg = {},
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globalDefQueue = [],
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useInteractive = false;
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function isFunction(it) {
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return ostring.call(it) === '[object Function]';
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}
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function isArray(it) {
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return ostring.call(it) === '[object Array]';
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}
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/**
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* Helper function for iterating over an array. If the func returns
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* a true value, it will break out of the loop.
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*/
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function each(ary, func) {
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if (ary) {
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var i;
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for (i = 0; i < ary.length; i += 1) {
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if (ary[i] && func(ary[i], i, ary)) {
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break;
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}
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}
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}
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}
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/**
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* Helper function for iterating over an array backwards. If the func
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* returns a true value, it will break out of the loop.
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*/
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function eachReverse(ary, func) {
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if (ary) {
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var i;
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for (i = ary.length - 1; i > -1; i -= 1) {
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if (ary[i] && func(ary[i], i, ary)) {
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break;
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}
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}
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}
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}
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function hasProp(obj, prop) {
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return hasOwn.call(obj, prop);
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}
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function getOwn(obj, prop) {
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return hasProp(obj, prop) && obj[prop];
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}
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/**
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* Cycles over properties in an object and calls a function for each
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* property value. If the function returns a truthy value, then the
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* iteration is stopped.
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*/
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function eachProp(obj, func) {
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var prop;
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for (prop in obj) {
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if (hasProp(obj, prop)) {
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if (func(obj[prop], prop)) {
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break;
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}
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}
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}
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}
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/**
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* Simple function to mix in properties from source into target,
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* but only if target does not already have a property of the same name.
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*/
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function mixin(target, source, force, deepStringMixin) {
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if (source) {
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eachProp(source, function (value, prop) {
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if (force || !hasProp(target, prop)) {
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if (deepStringMixin && typeof value === 'object' && value &&
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!isArray(value) && !isFunction(value) &&
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!(value instanceof RegExp)) {
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if (!target[prop]) {
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target[prop] = {};
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}
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mixin(target[prop], value, force, deepStringMixin);
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} else {
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target[prop] = value;
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}
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}
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});
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}
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return target;
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}
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//Similar to Function.prototype.bind, but the 'this' object is specified
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//first, since it is easier to read/figure out what 'this' will be.
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function bind(obj, fn) {
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return function () {
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return fn.apply(obj, arguments);
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};
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}
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function scripts() {
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return document.getElementsByTagName('script');
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}
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function defaultOnError(err) {
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throw err;
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}
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//Allow getting a global that is expressed in
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//dot notation, like 'a.b.c'.
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function getGlobal(value) {
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if (!value) {
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return value;
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}
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var g = global;
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each(value.split('.'), function (part) {
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g = g[part];
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});
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return g;
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}
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/**
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* Constructs an error with a pointer to an URL with more information.
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* @param {String} id the error ID that maps to an ID on a web page.
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* @param {String} message human readable error.
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* @param {Error} [err] the original error, if there is one.
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*
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* @returns {Error}
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*/
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function makeError(id, msg, err, requireModules) {
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var e = new Error(msg + '\nhttp://requirejs.org/docs/errors.html#' + id);
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e.requireType = id;
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e.requireModules = requireModules;
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if (err) {
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e.originalError = err;
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}
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return e;
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}
|
|
if (typeof define !== 'undefined') {
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//If a define is already in play via another AMD loader,
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//do not overwrite.
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return;
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}
|
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if (typeof requirejs !== 'undefined') {
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if (isFunction(requirejs)) {
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//Do not overwrite an existing requirejs instance.
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return;
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}
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cfg = requirejs;
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requirejs = undefined;
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}
|
|
//Allow for a require config object
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if (typeof require !== 'undefined' && !isFunction(require)) {
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//assume it is a config object.
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cfg = require;
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require = undefined;
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}
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function newContext(contextName) {
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var inCheckLoaded, Module, context, handlers,
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checkLoadedTimeoutId,
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config = {
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//Defaults. Do not set a default for map
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//config to speed up normalize(), which
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//will run faster if there is no default.
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waitSeconds: 7,
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baseUrl: './',
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paths: {},
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bundles: {},
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pkgs: {},
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shim: {},
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config: {}
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},
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registry = {},
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//registry of just enabled modules, to speed
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//cycle breaking code when lots of modules
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//are registered, but not activated.
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enabledRegistry = {},
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undefEvents = {},
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defQueue = [],
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defined = {},
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urlFetched = {},
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bundlesMap = {},
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requireCounter = 1,
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unnormalizedCounter = 1;
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/**
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* Trims the . and .. from an array of path segments.
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* It will keep a leading path segment if a .. will become
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* the first path segment, to help with module name lookups,
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* which act like paths, but can be remapped. But the end result,
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* all paths that use this function should look normalized.
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* NOTE: this method MODIFIES the input array.
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* @param {Array} ary the array of path segments.
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*/
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function trimDots(ary) {
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var i, part;
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for (i = 0; i < ary.length; i++) {
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part = ary[i];
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if (part === '.') {
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ary.splice(i, 1);
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i -= 1;
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} else if (part === '..') {
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// If at the start, or previous value is still ..,
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// keep them so that when converted to a path it may
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// still work when converted to a path, even though
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// as an ID it is less than ideal. In larger point
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// releases, may be better to just kick out an error.
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if (i === 0 || (i === 1 && ary[2] === '..') || ary[i - 1] === '..') {
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continue;
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} else if (i > 0) {
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ary.splice(i - 1, 2);
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i -= 2;
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}
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}
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}
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}
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/**
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* Given a relative module name, like ./something, normalize it to
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* a real name that can be mapped to a path.
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* @param {String} name the relative name
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* @param {String} baseName a real name that the name arg is relative
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* to.
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* @param {Boolean} applyMap apply the map config to the value. Should
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* only be done if this normalization is for a dependency ID.
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* @returns {String} normalized name
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*/
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function normalize(name, baseName, applyMap) {
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var pkgMain, mapValue, nameParts, i, j, nameSegment, lastIndex,
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foundMap, foundI, foundStarMap, starI, normalizedBaseParts,
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baseParts = (baseName && baseName.split('/')),
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map = config.map,
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starMap = map && map['*'];
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//Adjust any relative paths.
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if (name) {
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name = name.split('/');
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lastIndex = name.length - 1;
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// If wanting node ID compatibility, strip .js from end
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// of IDs. Have to do this here, and not in nameToUrl
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// because node allows either .js or non .js to map
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// to same file.
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if (config.nodeIdCompat && jsSuffixRegExp.test(name[lastIndex])) {
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name[lastIndex] = name[lastIndex].replace(jsSuffixRegExp, '');
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}
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// Starts with a '.' so need the baseName
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if (name[0].charAt(0) === '.' && baseParts) {
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//Convert baseName to array, and lop off the last part,
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//so that . matches that 'directory' and not name of the baseName's
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//module. For instance, baseName of 'one/two/three', maps to
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//'one/two/three.js', but we want the directory, 'one/two' for
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//this normalization.
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normalizedBaseParts = baseParts.slice(0, baseParts.length - 1);
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name = normalizedBaseParts.concat(name);
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}
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trimDots(name);
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name = name.join('/');
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}
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//Apply map config if available.
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if (applyMap && map && (baseParts || starMap)) {
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nameParts = name.split('/');
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outerLoop: for (i = nameParts.length; i > 0; i -= 1) {
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nameSegment = nameParts.slice(0, i).join('/');
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if (baseParts) {
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//Find the longest baseName segment match in the config.
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//So, do joins on the biggest to smallest lengths of baseParts.
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for (j = baseParts.length; j > 0; j -= 1) {
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mapValue = getOwn(map, baseParts.slice(0, j).join('/'));
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//baseName segment has config, find if it has one for
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//this name.
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if (mapValue) {
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mapValue = getOwn(mapValue, nameSegment);
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if (mapValue) {
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//Match, update name to the new value.
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foundMap = mapValue;
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foundI = i;
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break outerLoop;
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}
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}
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}
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}
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//Check for a star map match, but just hold on to it,
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//if there is a shorter segment match later in a matching
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//config, then favor over this star map.
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if (!foundStarMap && starMap && getOwn(starMap, nameSegment)) {
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foundStarMap = getOwn(starMap, nameSegment);
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starI = i;
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}
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}
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if (!foundMap && foundStarMap) {
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foundMap = foundStarMap;
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foundI = starI;
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}
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if (foundMap) {
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nameParts.splice(0, foundI, foundMap);
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name = nameParts.join('/');
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}
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}
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// If the name points to a package's name, use
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// the package main instead.
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pkgMain = getOwn(config.pkgs, name);
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return pkgMain ? pkgMain : name;
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}
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function removeScript(name) {
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if (isBrowser) {
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each(scripts(), function (scriptNode) {
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if (scriptNode.getAttribute('data-requiremodule') === name &&
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scriptNode.getAttribute('data-requirecontext') === context.contextName) {
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scriptNode.parentNode.removeChild(scriptNode);
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return true;
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}
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});
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}
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}
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function hasPathFallback(id) {
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var pathConfig = getOwn(config.paths, id);
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if (pathConfig && isArray(pathConfig) && pathConfig.length > 1) {
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//Pop off the first array value, since it failed, and
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//retry
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pathConfig.shift();
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context.require.undef(id);
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//Custom require that does not do map translation, since
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//ID is "absolute", already mapped/resolved.
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context.makeRequire(null, {
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skipMap: true
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})([id]);
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return true;
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}
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}
|
|
//Turns a plugin!resource to [plugin, resource]
|
//with the plugin being undefined if the name
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//did not have a plugin prefix.
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function splitPrefix(name) {
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var prefix,
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index = name ? name.indexOf('!') : -1;
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if (index > -1) {
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prefix = name.substring(0, index);
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name = name.substring(index + 1, name.length);
|
}
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return [prefix, name];
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}
|
|
/**
|
* Creates a module mapping that includes plugin prefix, module
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* name, and path. If parentModuleMap is provided it will
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* also normalize the name via require.normalize()
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*
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* @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.
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* Should only be true if this map is for a dependency.
|
*
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* @returns {Object}
|
*/
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function makeModuleMap(name, parentModuleMap, isNormalized, applyMap) {
|
var url, pluginModule, suffix, nameParts,
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prefix = null,
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parentName = parentModuleMap ? parentModuleMap.name : null,
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originalName = name,
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isDefine = true,
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normalizedName = '';
|
|
//If no name, then it means it is a require call, generate an
|
//internal name.
|
if (!name) {
|
isDefine = false;
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name = '_@r' + (requireCounter += 1);
|
}
|
|
nameParts = splitPrefix(name);
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prefix = nameParts[0];
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name = nameParts[1];
|
|
if (prefix) {
|
prefix = normalize(prefix, parentName, applyMap);
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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.
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normalizedName = pluginModule.normalize(name, function (name) {
|
return normalize(name, parentName, applyMap);
|
});
|
} else {
|
// If nested plugin references, then do not try to
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// normalize, as it will not normalize correctly. This
|
// places a restriction on resourceIds, and the longer
|
// term solution is not to normalize until plugins are
|
// loaded and all normalizations to allow for async
|
// loading of a loader plugin. But for now, fixes the
|
// common uses. Details in #1131
|
normalizedName = name.indexOf('!') === -1 ?
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normalize(name, parentName, applyMap) :
|
name;
|
}
|
} else {
|
//A regular module.
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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);
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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 {
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prefix: prefix,
|
name: normalizedName,
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parentMap: parentModuleMap,
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unnormalized: !!suffix,
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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) {
|
each(globalDefQueue, function(queueItem) {
|
var id = queueItem[0];
|
if (typeof id === 'string') {
|
context.defQueueMap[id] = true;
|
}
|
defQueue.push(queueItem);
|
});
|
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 (defined[mod.map.id] = 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: mod.exports || (mod.exports = {})
|
});
|
}
|
}
|
};
|
|
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) {
|
// Only fetch if not already in the defQueue.
|
if (!hasProp(context.defQueueMap, id)) {
|
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) {
|
if (this.undefed) {
|
return;
|
}
|
this.defineDep(i, depExports);
|
this.check();
|
}));
|
|
if (this.errback) {
|
on(depMap, 'error', bind(this, this.errback));
|
} else if (this.events.error) {
|
// No direct errback on this module, but something
|
// else is listening for errors, so be sure to
|
// propagate the error correctly.
|
on(depMap, 'error', bind(this, function(err) {
|
this.emit('error', err);
|
}));
|
}
|
}
|
|
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.defQueueMap = {};
|
}
|
|
context = {
|
config: config,
|
contextName: contextName,
|
registry: registry,
|
defined: defined,
|
urlFetched: urlFetched,
|
defQueue: defQueue,
|
defQueueMap: {},
|
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, null, true);
|
}
|
});
|
|
//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);
|
|
mod.undefed = true;
|
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);
|
}
|
});
|
delete context.defQueueMap[id];
|
|
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 overridden 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);
|
}
|
context.defQueueMap = {};
|
|
//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);
|
if (config.onNodeCreated) {
|
config.onNodeCreated(node, 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.
|
if (context) {
|
context.defQueue.push([name, deps, callback]);
|
context.defQueueMap[name] = true;
|
} else {
|
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));
|
