1807 строки
72 KiB
JavaScript
1807 строки
72 KiB
JavaScript
/** vim: et:ts=4:sw=4:sts=4
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* @license RequireJS 0.22.0 Copyright (c) 2010, 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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/*jslint plusplus: false */
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/*global window: false, navigator: false, document: false, importScripts: false,
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jQuery: false, clearInterval: false, setInterval: false, self: false,
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setTimeout: false */
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"use strict";
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var require, define;
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(function () {
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//Change this version number for each release.
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var version = "0.22.0",
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commentRegExp = /(\/\*([\s\S]*?)\*\/|\/\/(.*)$)/mg,
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cjsRequireRegExp = /require\(["']([^'"\s]+)["']\)/g,
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currDirRegExp = /^\.\//,
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ostring = Object.prototype.toString,
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ap = Array.prototype,
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aps = ap.slice,
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apsp = ap.splice,
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isBrowser = !!(typeof window !== "undefined" && navigator && 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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reqWaitIdPrefix = "_r@@",
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empty = {},
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contexts = {},
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globalDefQueue = [],
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interactiveScript = null,
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isDone = false,
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useInteractive = false,
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//Default plugins that have remapped names, if no mapping
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//already exists.
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requirePlugins = {
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"text": "require/text",
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"i18n": "require/i18n",
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"order": "require/order"
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},
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req, cfg = {}, currentlyAddingScript, s, head, baseElement, scripts, script,
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rePkg, src, m, dataMain, i, scrollIntervalId, setReadyState, ctx;
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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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* 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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* This is not robust in IE for transferring methods that match
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* Object.prototype names, but the uses of mixin here seem unlikely to
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* trigger a problem related to that.
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*/
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function mixin(target, source, force) {
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for (var prop in source) {
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if (!(prop in empty) && (!(prop in target) || force)) {
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target[prop] = source[prop];
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}
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}
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return req;
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}
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/**
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* Used to set up package paths from a packagePaths or packages config object.
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* @param {Object} packages the object to store the new package config
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* @param {Array} currentPackages an array of packages to configure
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* @param {String} [dir] a prefix dir to use.
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*/
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function configurePackageDir(packages, currentPackages, dir) {
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var i, location, pkgObj;
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for (i = 0; (pkgObj = currentPackages[i]); i++) {
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pkgObj = typeof pkgObj === "string" ? { name: pkgObj } : pkgObj;
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location = pkgObj.location;
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//Add dir to the path, but avoid paths that start with a slash
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//or have a colon (indicates a protocol)
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if (dir && (!location || (location.indexOf("/") !== 0 && location.indexOf(":") === -1))) {
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pkgObj.location = dir + "/" + (pkgObj.location || pkgObj.name);
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}
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//Normalize package paths.
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pkgObj.location = pkgObj.location || pkgObj.name;
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pkgObj.lib = pkgObj.lib || "lib";
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//Remove leading dot in main, so main paths are normalized.
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pkgObj.main = (pkgObj.main || "lib/main").replace(currDirRegExp, '');
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packages[pkgObj.name] = pkgObj;
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}
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}
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//Check for an existing version of require. If so, then exit out. Only allow
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//one version of require to be active in a page. However, allow for a require
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//config object, just exit quickly if require is an actual function.
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if (typeof require !== "undefined") {
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if (isFunction(require)) {
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return;
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} else {
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//assume it is a config object.
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cfg = require;
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}
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}
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/**
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* Creates a new context for use in require and define calls.
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* Handle most of the heavy lifting. Do not want to use an object
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* with prototype here to avoid using "this" in require, in case it
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* needs to be used in more super secure envs that do not want this.
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* Also there should not be that many contexts in the page. Usually just
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* one for the default context, but could be extra for multiversion cases
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* or if a package needs a special context for a dependency that conflicts
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* with the standard context.
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*/
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function newContext(contextName) {
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var context, resume,
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config = {
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waitSeconds: 7,
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baseUrl: s.baseUrl || "./",
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paths: {},
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packages: {}
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},
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defQueue = [],
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specified = {
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"require": true,
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"exports": true,
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"module": true
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},
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urlMap = {},
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defined = {},
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loaded = {},
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waiting = {},
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waitAry = [],
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waitIdCounter = 0,
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managerCallbacks = {},
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plugins = {},
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pluginsQueue = {},
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normalizedWaiting = {};
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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; (part = ary[i]); 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 (i === 1 && (ary[2] === '..' || ary[0] === '..')) {
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//End of the line. Keep at least one non-dot
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//path segment at the front so it can be mapped
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//correctly to disk. Otherwise, there is likely
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//no path mapping for a path starting with '..'.
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//This can still fail, but catches the most reasonable
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//uses of ..
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break;
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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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* @returns {String} normalized name
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*/
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function normalize(name, baseName) {
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var pkgName, pkgConfig;
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//Adjust any relative paths.
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if (name.charAt(0) === ".") {
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//If have a base name, try to normalize against it,
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//otherwise, assume it is a top-level require that will
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//be relative to baseUrl in the end.
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if (baseName) {
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if (config.packages[baseName]) {
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//If the baseName is a package name, then just treat it as one
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//name to concat the name with.
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baseName = [baseName];
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} else {
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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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baseName = baseName.split("/");
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baseName = baseName.slice(0, baseName.length - 1);
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}
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name = baseName.concat(name.split("/"));
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trimDots(name);
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//Some use of packages may use a . path to reference the
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//"main" module name, so normalize for that.
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pkgConfig = config.packages[(pkgName = name[0])];
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name = name.join("/");
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if (pkgConfig && name === pkgName + '/' + pkgConfig.main) {
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name = pkgName;
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}
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}
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}
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return name;
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}
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/**
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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
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* @param {String} [parentModuleMap] parent module map
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* for the module name, used to resolve relative names.
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*
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* @returns {Object}
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*/
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function makeModuleMap(name, parentModuleMap) {
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var index = name ? name.indexOf("!") : -1,
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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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normalizedName, url, pluginModule;
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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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}
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if (prefix) {
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prefix = normalize(prefix, parentName);
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//Allow simpler mappings for some plugins
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prefix = requirePlugins[prefix] || prefix;
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}
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//Account for relative paths if there is a base name.
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if (name) {
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if (prefix) {
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pluginModule = defined[prefix];
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if (pluginModule) {
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//Plugin is loaded, use its normalize method, otherwise,
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//normalize name as usual.
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if (pluginModule.normalize) {
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normalizedName = pluginModule.normalize(name, function (name) {
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return normalize(name, parentName);
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});
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} else {
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normalizedName = normalize(name, parentName);
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}
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} else {
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//Plugin is not loaded yet, so do not normalize
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//the name, wait for plugin to load to see if
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//it has a normalize method. To avoid possible
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//ambiguity with relative names loaded from another
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//plugin, use the parent's name as part of this name.
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normalizedName = '__$p' + parentName + '@' + name;
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}
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} else {
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normalizedName = normalize(name, parentName);
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}
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url = urlMap[normalizedName];
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if (!url) {
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//Calculate url for the module, if it has a name.
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if (req.toModuleUrl) {
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//Special logic required for a particular engine,
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//like Node.
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url = req.toModuleUrl(context, name, parentModuleMap);
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} else {
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url = context.nameToUrl(name, null, parentModuleMap);
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}
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//Store the URL mapping for later.
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urlMap[normalizedName] = url;
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}
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}
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return {
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prefix: prefix,
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name: normalizedName,
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parentMap: parentModuleMap,
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url: url,
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originalName: originalName,
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fullName: prefix ? prefix + "!" + normalizedName : normalizedName
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};
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}
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/**
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* Determine if priority loading is done. If so clear the priorityWait
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*/
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function isPriorityDone() {
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var priorityDone = true,
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priorityWait = config.priorityWait,
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priorityName, i;
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if (priorityWait) {
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for (i = 0; (priorityName = priorityWait[i]); i++) {
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if (!loaded[priorityName]) {
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priorityDone = false;
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break;
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}
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}
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if (priorityDone) {
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delete config.priorityWait;
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}
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}
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return priorityDone;
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}
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/**
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* Helper function that creates a setExports function for a "module"
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* CommonJS dependency. Do this here to avoid creating a closure that
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* is part of a loop.
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*/
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function makeSetExports(moduleObj) {
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return function (exports) {
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moduleObj.exports = exports;
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};
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}
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function makeContextModuleFunc(func, relModuleMap, enableBuildCallback) {
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return function () {
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//A version of a require function that passes a moduleName
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//value for items that may need to
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//look up paths relative to the moduleName
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var args = [].concat(aps.call(arguments, 0)), lastArg;
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if (enableBuildCallback &&
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isFunction((lastArg = args[args.length - 1]))) {
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lastArg.__requireJsBuild = true;
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}
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args.push(relModuleMap);
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return func.apply(null, args);
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};
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}
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/**
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* Helper function that creates a require function object to give to
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* modules that ask for it as a dependency. It needs to be specific
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* per module because of the implication of path mappings that may
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* need to be relative to the module name.
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*/
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function makeRequire(relModuleMap, enableBuildCallback) {
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var modRequire = makeContextModuleFunc(context.require, relModuleMap, enableBuildCallback);
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mixin(modRequire, {
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nameToUrl: makeContextModuleFunc(context.nameToUrl, relModuleMap),
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toUrl: makeContextModuleFunc(context.toUrl, relModuleMap),
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isDefined: makeContextModuleFunc(context.isDefined, relModuleMap),
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ready: req.ready,
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isBrowser: req.isBrowser
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});
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//Something used by node.
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if (req.paths) {
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modRequire.paths = req.paths;
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}
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return modRequire;
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}
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/**
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* Used to update the normalized name for plugin-based dependencies
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* after a plugin loads, since it can have its own normalization structure.
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* @param {String} pluginName the normalized plugin module name.
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*/
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function updateNormalizedNames(pluginName) {
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var oldFullName, oldModuleMap, moduleMap, fullName, callbacks,
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i, j, k, depArray,
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maps = normalizedWaiting[pluginName];
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if (maps) {
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for (i = 0; (oldModuleMap = maps[i]); i++) {
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oldFullName = oldModuleMap.fullName;
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moduleMap = makeModuleMap(oldModuleMap.originalName, oldModuleMap.parentMap);
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fullName = moduleMap.fullName;
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callbacks = managerCallbacks[oldFullName];
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if (fullName !== oldFullName) {
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//Update managerCallbacks to use the correct normalized name.
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managerCallbacks[fullName] = callbacks;
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delete managerCallbacks[oldFullName];
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//In each manager callback, update the normalized name in the depArray.
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for (j = 0; j < callbacks.length; j++) {
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depArray = callbacks[j].depArray;
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for (k = 0; k < depArray.length; k++) {
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if (depArray[k] === oldFullName) {
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depArray[k] = fullName;
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}
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}
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}
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}
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}
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}
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delete normalizedWaiting[pluginName];
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}
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/*
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* Queues a dependency for checking after the loader is out of a
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* "paused" state, for example while a script file is being loaded
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* in the browser, where it may have many modules defined in it.
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*
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* depName will be fully qualified, no relative . or .. path.
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*/
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function queueDependency(dep) {
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//Make sure to load any plugin and associate the dependency
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//with that plugin.
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var prefix = dep.prefix,
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fullName = dep.fullName;
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//Do not bother if the depName is already in transit
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if (specified[fullName] || fullName in defined) {
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return;
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}
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if (prefix && !plugins[prefix]) {
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//Queue up loading of the dependency, track it
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//via context.plugins. Mark it as a plugin so
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//that the build system will know to treat it
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//special.
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plugins[prefix] = undefined;
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//Remember this dep that needs to have normaliztion done
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//after the plugin loads.
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(normalizedWaiting[prefix] || (normalizedWaiting[prefix] = []))
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.push(dep);
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//Register an action to do once the plugin loads, to update
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//all managerCallbacks to use a properly normalized module
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//name.
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(managerCallbacks[prefix] ||
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(managerCallbacks[prefix] = [])).push({
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onDep: function (name, value) {
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if (name === prefix) {
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updateNormalizedNames(prefix);
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}
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}
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});
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queueDependency(makeModuleMap(prefix));
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}
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context.paused.push(dep);
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}
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function execManager(manager) {
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var i, ret, waitingCallbacks,
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cb = manager.callback,
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fullName = manager.fullName,
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args = [],
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ary = manager.depArray;
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//Call the callback to define the module, if necessary.
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if (cb && isFunction(cb)) {
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//Pull out the defined dependencies and pass the ordered
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//values to the callback.
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if (ary) {
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for (i = 0; i < ary.length; i++) {
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args.push(manager.deps[ary[i]]);
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}
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}
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ret = req.execCb(fullName, manager.callback, args);
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if (fullName) {
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//If using exports and the function did not return a value,
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//and the "module" object for this definition function did not
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//define an exported value, then use the exports object.
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if (manager.usingExports && ret === undefined && (!manager.cjsModule || !("exports" in manager.cjsModule))) {
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ret = defined[fullName];
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} else {
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if (manager.cjsModule && "exports" in manager.cjsModule) {
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ret = defined[fullName] = manager.cjsModule.exports;
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} else {
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if (fullName in defined && !manager.usingExports) {
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return req.onError(new Error(fullName + " has already been defined"));
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}
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defined[fullName] = ret;
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}
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}
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}
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} else if (fullName) {
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//May just be an object definition for the module. Only
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//worry about defining if have a module name.
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ret = defined[fullName] = cb;
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}
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if (fullName) {
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//If anything was waiting for this module to be defined,
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//notify them now.
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waitingCallbacks = managerCallbacks[fullName];
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if (waitingCallbacks) {
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for (i = 0; i < waitingCallbacks.length; i++) {
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waitingCallbacks[i].onDep(fullName, ret);
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}
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delete managerCallbacks[fullName];
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}
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}
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//Clean up waiting.
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if (waiting[manager.waitId]) {
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delete waiting[manager.waitId];
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manager.isDone = true;
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context.waitCount -= 1;
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if (context.waitCount === 0) {
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//Clear the wait array used for cycles.
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|
waitAry = [];
|
|
}
|
|
}
|
|
|
|
return undefined;
|
|
}
|
|
|
|
function main(inName, depArray, callback, relModuleMap) {
|
|
var moduleMap = makeModuleMap(inName, relModuleMap),
|
|
name = moduleMap.name,
|
|
fullName = moduleMap.fullName,
|
|
manager = {
|
|
//Use a wait ID because some entries are anon
|
|
//async require calls.
|
|
waitId: name || reqWaitIdPrefix + (waitIdCounter++),
|
|
depCount: 0,
|
|
depMax: 0,
|
|
prefix: moduleMap.prefix,
|
|
name: name,
|
|
fullName: fullName,
|
|
deps: {},
|
|
depArray: depArray,
|
|
callback: callback,
|
|
onDep: function (depName, value) {
|
|
if (!(depName in manager.deps)) {
|
|
manager.deps[depName] = value;
|
|
manager.depCount += 1;
|
|
if (manager.depCount === manager.depMax) {
|
|
//All done, execute!
|
|
execManager(manager);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
i, depArg, depName, cjsMod;
|
|
|
|
if (fullName) {
|
|
//If module already defined for context, or already loaded,
|
|
//then leave.
|
|
if (fullName in defined || loaded[fullName] === true) {
|
|
return;
|
|
}
|
|
|
|
//Set specified/loaded here for modules that are also loaded
|
|
//as part of a layer, where onScriptLoad is not fired
|
|
//for those cases. Do this after the inline define and
|
|
//dependency tracing is done.
|
|
//Also check if auto-registry of jQuery needs to be skipped.
|
|
specified[fullName] = true;
|
|
loaded[fullName] = true;
|
|
context.jQueryDef = (fullName === "jquery");
|
|
}
|
|
|
|
//Add the dependencies to the deps field, and register for callbacks
|
|
//on the dependencies.
|
|
for (i = 0; i < depArray.length; i++) {
|
|
depArg = depArray[i];
|
|
//There could be cases like in IE, where a trailing comma will
|
|
//introduce a null dependency, so only treat a real dependency
|
|
//value as a dependency.
|
|
if (depArg) {
|
|
//Split the dependency name into plugin and name parts
|
|
depArg = makeModuleMap(depArg, (name ? moduleMap : relModuleMap));
|
|
depName = depArg.fullName;
|
|
|
|
//Fix the name in depArray to be just the name, since
|
|
//that is how it will be called back later.
|
|
depArray[i] = depName;
|
|
|
|
//Fast path CommonJS standard dependencies.
|
|
if (depName === "require") {
|
|
manager.deps[depName] = makeRequire(moduleMap);
|
|
} else if (depName === "exports") {
|
|
//CommonJS module spec 1.1
|
|
manager.deps[depName] = defined[fullName] = {};
|
|
manager.usingExports = true;
|
|
} else if (depName === "module") {
|
|
//CommonJS module spec 1.1
|
|
manager.cjsModule = cjsMod = manager.deps[depName] = {
|
|
id: name,
|
|
uri: name ? context.nameToUrl(name, null, relModuleMap) : undefined
|
|
};
|
|
cjsMod.setExports = makeSetExports(cjsMod);
|
|
} else if (depName in defined && !(depName in waiting)) {
|
|
//Module already defined, no need to wait for it.
|
|
manager.deps[depName] = defined[depName];
|
|
} else {
|
|
//A dynamic dependency.
|
|
manager.depMax += 1;
|
|
|
|
queueDependency(depArg);
|
|
|
|
//Register to get notification when dependency loads.
|
|
(managerCallbacks[depName] ||
|
|
(managerCallbacks[depName] = [])).push(manager);
|
|
}
|
|
}
|
|
}
|
|
|
|
//Do not bother tracking the manager if it is all done.
|
|
if (manager.depCount === manager.depMax) {
|
|
//All done, execute!
|
|
execManager(manager);
|
|
} else {
|
|
waiting[manager.waitId] = manager;
|
|
waitAry.push(manager);
|
|
context.waitCount += 1;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Convenience method to call main for a require.def call that was put on
|
|
* hold in the defQueue.
|
|
*/
|
|
function callDefMain(args) {
|
|
main.apply(null, args);
|
|
//Mark the module loaded. Must do it here in addition
|
|
//to doing it in require.def in case a script does
|
|
//not call require.def
|
|
loaded[args[0]] = true;
|
|
}
|
|
|
|
/**
|
|
* As of jQuery 1.4.3, it supports a readyWait property that will hold off
|
|
* calling jQuery ready callbacks until all scripts are loaded. Be sure
|
|
* to track it if readyWait is available. Also, since jQuery 1.4.3 does
|
|
* not register as a module, need to do some global inference checking.
|
|
* Even if it does register as a module, not guaranteed to be the precise
|
|
* name of the global. If a jQuery is tracked for this context, then go
|
|
* ahead and register it as a module too, if not already in process.
|
|
*/
|
|
function jQueryCheck(jqCandidate) {
|
|
if (!context.jQuery) {
|
|
var $ = jqCandidate || (typeof jQuery !== "undefined" ? jQuery : null);
|
|
if ($ && "readyWait" in $) {
|
|
context.jQuery = $;
|
|
|
|
//Manually create a "jquery" module entry if not one already
|
|
//or in process.
|
|
callDefMain(["jquery", [], function () {
|
|
return jQuery;
|
|
}]);
|
|
|
|
//Increment jQuery readyWait if ncecessary.
|
|
if (context.scriptCount) {
|
|
$.readyWait += 1;
|
|
context.jQueryIncremented = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function forceExec(manager, traced) {
|
|
if (manager.isDone) {
|
|
return undefined;
|
|
}
|
|
|
|
var fullName = manager.fullName,
|
|
depArray = manager.depArray,
|
|
depName, i;
|
|
if (fullName) {
|
|
if (traced[fullName]) {
|
|
return defined[fullName];
|
|
}
|
|
|
|
traced[fullName] = true;
|
|
}
|
|
|
|
//forceExec all of its dependencies.
|
|
for (i = 0; i < depArray.length; i++) {
|
|
//Some array members may be null, like if a trailing comma
|
|
//IE, so do the explicit [i] access and check if it has a value.
|
|
depName = depArray[i];
|
|
if (depName) {
|
|
if (!manager.deps[depName] && waiting[depName]) {
|
|
manager.onDep(depName, forceExec(waiting[depName], traced));
|
|
}
|
|
}
|
|
}
|
|
|
|
return fullName ? defined[fullName] : undefined;
|
|
}
|
|
|
|
/**
|
|
* Checks if all modules for a context are loaded, and if so, evaluates the
|
|
* new ones in right dependency order.
|
|
*
|
|
* @private
|
|
*/
|
|
function checkLoaded() {
|
|
var 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 = "", hasLoadedProp = false, stillLoading = false, prop,
|
|
err, manager;
|
|
|
|
//Determine if priority loading is done. If so clear the priority. If
|
|
//not, then do not check
|
|
if (config.priorityWait) {
|
|
if (isPriorityDone()) {
|
|
//Call resume, since it could have
|
|
//some waiting dependencies to trace.
|
|
resume();
|
|
} else {
|
|
return undefined;
|
|
}
|
|
}
|
|
|
|
//See if anything is still in flight.
|
|
for (prop in loaded) {
|
|
if (!(prop in empty)) {
|
|
hasLoadedProp = true;
|
|
if (!loaded[prop]) {
|
|
if (expired) {
|
|
noLoads += prop + " ";
|
|
} else {
|
|
stillLoading = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//Check for exit conditions.
|
|
if (!hasLoadedProp && !context.waitCount) {
|
|
//If the loaded object had no items, then the rest of
|
|
//the work below does not need to be done.
|
|
return undefined;
|
|
}
|
|
if (expired && noLoads) {
|
|
//If wait time expired, throw error of unloaded modules.
|
|
err = new Error("require.js load timeout for modules: " + noLoads);
|
|
err.requireType = "timeout";
|
|
err.requireModules = noLoads;
|
|
return req.onError(err);
|
|
}
|
|
if (stillLoading || context.scriptCount) {
|
|
//Something is still waiting to load. Wait for it.
|
|
if (isBrowser || isWebWorker) {
|
|
setTimeout(checkLoaded, 50);
|
|
}
|
|
return undefined;
|
|
}
|
|
|
|
//If still have items in the waiting cue, but all modules have
|
|
//been loaded, then it means there are some circular dependencies
|
|
//that need to be broken.
|
|
//However, as a waiting thing is fired, then it can add items to
|
|
//the waiting cue, and those items should not be fired yet, so
|
|
//make sure to redo the checkLoaded call after breaking a single
|
|
//cycle, if nothing else loaded then this logic will pick it up
|
|
//again.
|
|
if (context.waitCount) {
|
|
//Cycle through the waitAry, and call items in sequence.
|
|
for (i = 0; (manager = waitAry[i]); i++) {
|
|
forceExec(manager, {});
|
|
}
|
|
|
|
checkLoaded();
|
|
return undefined;
|
|
}
|
|
|
|
//Check for DOM ready, and nothing is waiting across contexts.
|
|
req.checkReadyState();
|
|
|
|
return undefined;
|
|
}
|
|
|
|
function callPlugin(pluginName, dep) {
|
|
var name = dep.name,
|
|
fullName = dep.fullName;
|
|
|
|
//Do not bother if plugin is already defined.
|
|
if (fullName in defined) {
|
|
return;
|
|
}
|
|
|
|
if (!plugins[pluginName]) {
|
|
plugins[pluginName] = defined[pluginName];
|
|
}
|
|
|
|
//Only set loaded to false for tracking if it has not already been set.
|
|
if (!loaded[fullName]) {
|
|
loaded[fullName] = false;
|
|
}
|
|
|
|
//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.
|
|
plugins[pluginName].load(name, makeRequire(dep.parentMap, true), function (ret) {
|
|
//Allow the build process to register plugin-loaded dependencies.
|
|
if (require.onPluginLoad) {
|
|
require.onPluginLoad(context, pluginName, name, ret);
|
|
}
|
|
|
|
execManager({
|
|
prefix: dep.prefix,
|
|
name: dep.name,
|
|
fullName: dep.fullName,
|
|
callback: ret
|
|
});
|
|
loaded[fullName] = true;
|
|
}, config);
|
|
}
|
|
|
|
function loadPaused(dep) {
|
|
//Renormalize dependency if its name was waiting on a plugin
|
|
//to load, which as since loaded.
|
|
if (dep.prefix && dep.name.indexOf('__$p') === 0 && defined[dep.prefix]) {
|
|
dep = makeModuleMap(dep.originalName, dep.parentMap);
|
|
}
|
|
|
|
var pluginName = dep.prefix,
|
|
fullName = dep.fullName;
|
|
|
|
//Do not bother if the dependency has already been specified.
|
|
if (specified[fullName] || fullName in defined) {
|
|
return;
|
|
} else {
|
|
specified[fullName] = true;
|
|
}
|
|
|
|
if (pluginName) {
|
|
//If plugin not loaded, wait for it.
|
|
//set up callback list. if no list, then register
|
|
//managerCallback for that plugin.
|
|
if (defined[pluginName]) {
|
|
callPlugin(pluginName, dep);
|
|
} else {
|
|
if (!pluginsQueue[pluginName]) {
|
|
pluginsQueue[pluginName] = [];
|
|
(managerCallbacks[pluginName] ||
|
|
(managerCallbacks[pluginName] = [])).push({
|
|
onDep: function (name, value) {
|
|
if (name === pluginName) {
|
|
var i, oldModuleMap, ary = pluginsQueue[pluginName];
|
|
|
|
//Now update all queued plugin actions.
|
|
for (i = 0; i < ary.length; i++) {
|
|
oldModuleMap = ary[i];
|
|
//Update the moduleMap since the
|
|
//module name may be normalized
|
|
//differently now.
|
|
callPlugin(pluginName,
|
|
makeModuleMap(oldModuleMap.originalName, oldModuleMap.parentMap));
|
|
}
|
|
delete pluginsQueue[pluginName];
|
|
}
|
|
}
|
|
});
|
|
}
|
|
pluginsQueue[pluginName].push(dep);
|
|
}
|
|
} else {
|
|
req.load(context, fullName, dep.url);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Resumes tracing of dependencies and then checks if everything is loaded.
|
|
*/
|
|
resume = function () {
|
|
var args, i, p;
|
|
|
|
if (context.scriptCount <= 0) {
|
|
//Synchronous envs will push the number below zero with the
|
|
//decrement above, be sure to set it back to zero for good measure.
|
|
//require() calls that also do not end up loading scripts could
|
|
//push the number negative too.
|
|
context.scriptCount = 0;
|
|
}
|
|
|
|
//Make sure any remaining defQueue items get properly processed.
|
|
while (defQueue.length) {
|
|
args = defQueue.shift();
|
|
if (args[0] === null) {
|
|
return req.onError(new Error('Mismatched anonymous require.def modules'));
|
|
} else {
|
|
callDefMain(args);
|
|
}
|
|
}
|
|
|
|
//Skip the resume if current context is in priority wait.
|
|
if (config.priorityWait && !isPriorityDone()) {
|
|
return undefined;
|
|
}
|
|
|
|
while (context.paused.length) {
|
|
p = context.paused;
|
|
//Reset paused list
|
|
context.paused = [];
|
|
|
|
for (i = 0; (args = p[i]); i++) {
|
|
loadPaused(args);
|
|
}
|
|
//Move the start time for timeout forward.
|
|
context.startTime = (new Date()).getTime();
|
|
}
|
|
|
|
checkLoaded();
|
|
|
|
return undefined;
|
|
};
|
|
|
|
//Define the context object. Many of these fields are on here
|
|
//just to make debugging easier.
|
|
context = {
|
|
contextName: contextName,
|
|
config: config,
|
|
defQueue: defQueue,
|
|
waiting: waiting,
|
|
waitCount: 0,
|
|
specified: specified,
|
|
loaded: loaded,
|
|
urlMap: urlMap,
|
|
scriptCount: 0,
|
|
urlFetched: {},
|
|
defined: defined,
|
|
paused: [],
|
|
plugins: plugins,
|
|
managerCallbacks: managerCallbacks,
|
|
makeModuleMap: makeModuleMap,
|
|
normalize: normalize,
|
|
/**
|
|
* Set a configuration for the context.
|
|
* @param {Object} cfg config object to integrate.
|
|
*/
|
|
configure: function (cfg) {
|
|
var paths, packages, prop, packagePaths, requireWait;
|
|
|
|
//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 and packages since they require special processing,
|
|
//they are additive.
|
|
paths = config.paths;
|
|
packages = config.packages;
|
|
|
|
//Mix in the config values, favoring the new values over
|
|
//existing ones in context.config.
|
|
mixin(config, cfg, true);
|
|
|
|
//Adjust paths if necessary.
|
|
if (cfg.paths) {
|
|
for (prop in cfg.paths) {
|
|
if (!(prop in empty)) {
|
|
paths[prop] = cfg.paths[prop];
|
|
}
|
|
}
|
|
config.paths = paths;
|
|
}
|
|
|
|
packagePaths = cfg.packagePaths;
|
|
if (packagePaths || cfg.packages) {
|
|
//Convert packagePaths into a packages config.
|
|
if (packagePaths) {
|
|
for (prop in packagePaths) {
|
|
if (!(prop in empty)) {
|
|
configurePackageDir(packages, packagePaths[prop], prop);
|
|
}
|
|
}
|
|
}
|
|
|
|
//Adjust packages if necessary.
|
|
if (cfg.packages) {
|
|
configurePackageDir(packages, cfg.packages);
|
|
}
|
|
|
|
//Done with modifications, assing packages back to context config
|
|
config.packages = packages;
|
|
}
|
|
|
|
//If priority loading is in effect, trigger the loads now
|
|
if (cfg.priority) {
|
|
//Create a separate config property that can be
|
|
//easily tested for config priority completion.
|
|
//Do this instead of wiping out the config.priority
|
|
//in case it needs to be inspected for debug purposes later.
|
|
//Hold on to requireWait value, and reset it after done
|
|
requireWait = context.requireWait;
|
|
context.requireWait = false;
|
|
context.require(cfg.priority);
|
|
context.requireWait = requireWait;
|
|
config.priorityWait = cfg.priority;
|
|
}
|
|
|
|
//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);
|
|
}
|
|
|
|
//Set up ready callback, if asked. Useful when require is defined as a
|
|
//config object before require.js is loaded.
|
|
if (cfg.ready) {
|
|
req.ready(cfg.ready);
|
|
}
|
|
},
|
|
|
|
isDefined: function (moduleName, relModuleMap) {
|
|
return makeModuleMap(moduleName, relModuleMap).fullName in defined;
|
|
},
|
|
|
|
require: function (deps, callback, relModuleMap) {
|
|
var moduleName, ret, moduleMap;
|
|
if (typeof deps === "string") {
|
|
//Synchronous access to one module. If require.get is
|
|
//available (as in the Node adapter), prefer that.
|
|
//In this case deps is the moduleName and callback is
|
|
//the relModuleMap
|
|
if (req.get) {
|
|
return req.get(context, deps, callback);
|
|
}
|
|
|
|
//Just return the module wanted. In this scenario, the
|
|
//second arg (if passed) is just the relModuleMap.
|
|
moduleName = deps;
|
|
relModuleMap = callback;
|
|
|
|
//Normalize module name, if it contains . or ..
|
|
moduleMap = makeModuleMap(moduleName, relModuleMap);
|
|
|
|
ret = defined[moduleMap.fullName];
|
|
if (ret === undefined) {
|
|
return req.onError(new Error("require: module name '" +
|
|
moduleMap.fullName +
|
|
"' has not been loaded yet for context: " +
|
|
contextName));
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
main(null, deps, callback, relModuleMap);
|
|
|
|
//If the require call does not trigger anything new to load,
|
|
//then resume the dependency processing.
|
|
if (!context.requireWait) {
|
|
while (!context.scriptCount && context.paused.length) {
|
|
resume();
|
|
}
|
|
}
|
|
return undefined;
|
|
},
|
|
|
|
/**
|
|
* Internal method to transfer globalQueue items to this context's
|
|
* defQueue.
|
|
*/
|
|
takeGlobalQueue: function () {
|
|
//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(context.defQueue,
|
|
[context.defQueue.length - 1, 0].concat(globalDefQueue));
|
|
globalDefQueue = [];
|
|
}
|
|
},
|
|
|
|
/**
|
|
* 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 args;
|
|
|
|
context.takeGlobalQueue();
|
|
|
|
while (defQueue.length) {
|
|
args = defQueue.shift();
|
|
|
|
if (args[0] === null) {
|
|
args[0] = moduleName;
|
|
break;
|
|
} else if (args[0] === moduleName) {
|
|
//Found matching require.def call for this script!
|
|
break;
|
|
} else {
|
|
//Some other named require.def call, most likely the result
|
|
//of a build layer that included many require.def calls.
|
|
callDefMain(args);
|
|
args = null;
|
|
}
|
|
}
|
|
if (args) {
|
|
callDefMain(args);
|
|
} else {
|
|
//A script that does not call define(), so just simulate
|
|
//the call for it. Special exception for jQuery dynamic load.
|
|
callDefMain([moduleName, [],
|
|
moduleName === "jquery" && typeof jQuery !== "undefined" ?
|
|
function () {
|
|
return jQuery;
|
|
} : null]);
|
|
}
|
|
|
|
//Mark the script as loaded. Note that this can be different from a
|
|
//moduleName that maps to a require.def call. This line is important
|
|
//for traditional browser scripts.
|
|
loaded[moduleName] = true;
|
|
|
|
//If a global jQuery is defined, check for it. Need to do it here
|
|
//instead of main() since stock jQuery does not register as
|
|
//a module via define.
|
|
jQueryCheck();
|
|
|
|
//Doing this scriptCount decrement branching because sync envs
|
|
//need to decrement after resume, otherwise it looks like
|
|
//loading is complete after the first dependency is fetched.
|
|
//For browsers, it works fine to decrement after, but it means
|
|
//the checkLoaded setTimeout 50 ms cost is taken. To avoid
|
|
//that cost, decrement beforehand.
|
|
if (req.isAsync) {
|
|
context.scriptCount -= 1;
|
|
}
|
|
resume();
|
|
if (!req.isAsync) {
|
|
context.scriptCount -= 1;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* 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, relModuleMap) {
|
|
var index = moduleNamePlusExt.lastIndexOf("."),
|
|
ext = null;
|
|
|
|
if (index !== -1) {
|
|
ext = moduleNamePlusExt.substring(index, moduleNamePlusExt.length);
|
|
moduleNamePlusExt = moduleNamePlusExt.substring(0, index);
|
|
}
|
|
|
|
return context.nameToUrl(moduleNamePlusExt, ext, relModuleMap);
|
|
},
|
|
|
|
/**
|
|
* Converts a module name to a file path. Supports cases where
|
|
* moduleName may actually be just an URL.
|
|
*/
|
|
nameToUrl: function (moduleName, ext, relModuleMap) {
|
|
|
|
var paths, packages, pkg, pkgPath, syms, i, parentModule, url,
|
|
config = context.config;
|
|
|
|
if (moduleName.indexOf("./") === 0 || moduleName.indexOf("../") === 0) {
|
|
//A relative ID, just map it relative to relModuleMap's url
|
|
syms = relModuleMap && relModuleMap.url ? relModuleMap.url.split('/') : [];
|
|
//Pop off the file name.
|
|
if (syms.length) {
|
|
syms.pop();
|
|
}
|
|
syms = syms.concat(moduleName.split('/'));
|
|
trimDots(syms);
|
|
url = syms.join('/') +
|
|
(ext ? ext :
|
|
(req.jsExtRegExp.test(moduleName) ? "" : ".js"));
|
|
} else {
|
|
|
|
//Normalize module name if have a base relative module name to work from.
|
|
moduleName = normalize(moduleName, relModuleMap);
|
|
|
|
//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 or ends with .js, it is just a plain file.
|
|
//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 ? ext : "");
|
|
} else {
|
|
//A module that needs to be converted to a path.
|
|
paths = config.paths;
|
|
packages = config.packages;
|
|
|
|
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--) {
|
|
parentModule = syms.slice(0, i).join("/");
|
|
if (paths[parentModule]) {
|
|
syms.splice(0, i, paths[parentModule]);
|
|
break;
|
|
} else if ((pkg = packages[parentModule])) {
|
|
//If module name is just the package name, then looking
|
|
//for the main module.
|
|
if (moduleName === pkg.name) {
|
|
pkgPath = pkg.location + '/' + pkg.main;
|
|
} else {
|
|
pkgPath = pkg.location + '/' + pkg.lib;
|
|
}
|
|
syms.splice(0, i, pkgPath);
|
|
break;
|
|
}
|
|
}
|
|
|
|
//Join the path parts together, then figure out if baseUrl is needed.
|
|
url = syms.join("/") + (ext || ".js");
|
|
url = (url.charAt(0) === '/' || url.match(/^\w+:/) ? "" : config.baseUrl) + url;
|
|
}
|
|
}
|
|
|
|
return config.urlArgs ? url +
|
|
((url.indexOf('?') === -1 ? '?' : '&') +
|
|
config.urlArgs) : url;
|
|
}
|
|
};
|
|
|
|
//Make these visible on the context so can be called at the very
|
|
//end of the file to bootstrap
|
|
context.jQueryCheck = jQueryCheck;
|
|
context.resume = resume;
|
|
|
|
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 = require = function (deps, callback) {
|
|
|
|
//Find the right context, use default
|
|
var contextName = defContextName,
|
|
context, config;
|
|
|
|
// 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 = arguments[2];
|
|
} else {
|
|
deps = [];
|
|
}
|
|
}
|
|
|
|
if (config && config.context) {
|
|
contextName = config.context;
|
|
}
|
|
|
|
context = contexts[contextName] ||
|
|
(contexts[contextName] = newContext(contextName));
|
|
|
|
if (config) {
|
|
context.configure(config);
|
|
}
|
|
|
|
return context.require(deps, callback);
|
|
};
|
|
|
|
req.version = version;
|
|
req.isArray = isArray;
|
|
req.isFunction = isFunction;
|
|
req.mixin = mixin;
|
|
//Used to filter out dependencies that are already paths.
|
|
req.jsExtRegExp = /^\/|:|\?|\.js$/;
|
|
s = req.s = {
|
|
contexts: contexts,
|
|
//Stores a list of URLs that should not get async script tag treatment.
|
|
skipAsync: {},
|
|
isPageLoaded: !isBrowser,
|
|
readyCalls: []
|
|
};
|
|
|
|
req.isAsync = req.isBrowser = isBrowser;
|
|
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 = function (err) {
|
|
throw err;
|
|
};
|
|
|
|
/**
|
|
* 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 contextName = context.contextName,
|
|
urlFetched = context.urlFetched,
|
|
loaded = context.loaded;
|
|
isDone = false;
|
|
|
|
//Only set loaded to false for tracking if it has not already been set.
|
|
if (!loaded[moduleName]) {
|
|
loaded[moduleName] = false;
|
|
}
|
|
|
|
if (!urlFetched[url]) {
|
|
context.scriptCount += 1;
|
|
req.attach(url, contextName, moduleName);
|
|
urlFetched[url] = true;
|
|
|
|
//If tracking a jQuery, then make sure its readyWait
|
|
//is incremented to prevent its ready callbacks from
|
|
//triggering too soon.
|
|
if (context.jQuery && !context.jQueryIncremented) {
|
|
context.jQuery.readyWait += 1;
|
|
context.jQueryIncremented = true;
|
|
}
|
|
}
|
|
};
|
|
|
|
function getInteractiveScript() {
|
|
var scripts, i, script;
|
|
if (interactiveScript && interactiveScript.readyState === 'interactive') {
|
|
return interactiveScript;
|
|
}
|
|
|
|
scripts = document.getElementsByTagName('script');
|
|
for (i = scripts.length - 1; i > -1 && (script = scripts[i]); i--) {
|
|
if (script.readyState === 'interactive') {
|
|
return (interactiveScript = script);
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* 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 = req.def = function (name, deps, callback) {
|
|
var node, context;
|
|
|
|
//Allow for anonymous functions
|
|
if (typeof name !== 'string') {
|
|
//Adjust args appropriately
|
|
callback = deps;
|
|
deps = name;
|
|
name = null;
|
|
}
|
|
|
|
//This module may not have dependencies
|
|
if (!req.isArray(deps)) {
|
|
callback = deps;
|
|
deps = [];
|
|
}
|
|
|
|
//If no name, and callback is a function, then figure out if it a
|
|
//CommonJS thing with dependencies.
|
|
if (!name && !deps.length && req.isFunction(callback)) {
|
|
//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 such, so always add those as dependencies.
|
|
//This is a bit wasteful for RequireJS modules that do not need
|
|
//an exports or module object, but erring on side of safety.
|
|
//REQUIRES the function to expect the CommonJS variables in the
|
|
//order listed below.
|
|
deps = ["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) {
|
|
return req.onError(new Error("ERROR: No matching script interactive for " + callback));
|
|
}
|
|
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]);
|
|
|
|
return undefined;
|
|
};
|
|
|
|
/**
|
|
* Executes a module callack 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
|
|
*/
|
|
req.execCb = function (name, callback, args) {
|
|
return callback.apply(null, 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.
|
|
*
|
|
* @private
|
|
*/
|
|
req.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.
|
|
var node = evt.currentTarget || evt.srcElement, contextName, moduleName,
|
|
context;
|
|
|
|
if (evt.type === "load" || readyRegExp.test(node.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.
|
|
contextName = node.getAttribute("data-requirecontext");
|
|
moduleName = node.getAttribute("data-requiremodule");
|
|
context = contexts[contextName];
|
|
|
|
contexts[contextName].completeLoad(moduleName);
|
|
|
|
//Clean up script binding.
|
|
if (node.removeEventListener) {
|
|
node.removeEventListener("load", req.onScriptLoad, false);
|
|
} else {
|
|
//Probably IE. If not it will throw an error, which will be
|
|
//useful to know.
|
|
node.detachEvent("onreadystatechange", req.onScriptLoad);
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Attaches the script represented by the URL to the current
|
|
* environment. Right now only supports browser loading,
|
|
* but can be redefined in other environments to do the right thing.
|
|
* @param {String} url the url of the script to attach.
|
|
* @param {String} contextName the name of the context that wants the script.
|
|
* @param {moduleName} the name of the module that is associated with the script.
|
|
* @param {Function} [callback] optional callback, defaults to require.onScriptLoad
|
|
* @param {String} [type] optional type, defaults to text/javascript
|
|
*/
|
|
req.attach = function (url, contextName, moduleName, callback, type) {
|
|
var node, loaded, context;
|
|
if (isBrowser) {
|
|
//In the browser so use a script tag
|
|
callback = callback || req.onScriptLoad;
|
|
node = document.createElement("script");
|
|
node.type = type || "text/javascript";
|
|
node.charset = "utf-8";
|
|
//Use async so Gecko does not block on executing the script if something
|
|
//like a long-polling comet tag is being run first. Gecko likes
|
|
//to evaluate scripts in DOM order, even for dynamic scripts.
|
|
//It will fetch them async, but only evaluate the contents in DOM
|
|
//order, so a long-polling script tag can delay execution of scripts
|
|
//after it. But telling Gecko we expect async gets us the behavior
|
|
//we want -- execute it whenever it is finished downloading. Only
|
|
//Helps Firefox 3.6+
|
|
//Allow some URLs to not be fetched async. Mostly helps the order!
|
|
//plugin
|
|
node.async = !s.skipAsync[url];
|
|
|
|
node.setAttribute("data-requirecontext", contextName);
|
|
node.setAttribute("data-requiremodule", moduleName);
|
|
|
|
//Set up load listener.
|
|
if (node.addEventListener) {
|
|
node.addEventListener("load", callback, false);
|
|
} else {
|
|
//Probably IE. If not it will throw an error, which will be
|
|
//useful to know. IE (at least 6-8) do not fire
|
|
//script onload right after executing the script, so
|
|
//we cannot tie the anonymous require.def call to a name.
|
|
//However, IE reports the script as being in "interactive"
|
|
//readyState at the time of the require.def call.
|
|
useInteractive = true;
|
|
node.attachEvent("onreadystatechange", callback);
|
|
}
|
|
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 require.def
|
|
//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) {
|
|
//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.
|
|
context = contexts[contextName];
|
|
loaded = context.loaded;
|
|
loaded[moduleName] = false;
|
|
|
|
importScripts(url);
|
|
|
|
//Account for anonymous modules
|
|
context.completeLoad(moduleName);
|
|
}
|
|
return null;
|
|
};
|
|
|
|
|
|
//Determine what baseUrl should be if not already defined via a require config object
|
|
s.baseUrl = cfg.baseUrl;
|
|
if (isBrowser && (!s.baseUrl || !head)) {
|
|
//Figure out baseUrl. Get it from the script tag with require.js in it.
|
|
scripts = document.getElementsByTagName("script");
|
|
if (cfg.baseUrlMatch) {
|
|
rePkg = cfg.baseUrlMatch;
|
|
} else {
|
|
//>>includeStart("jquery", pragmas.jquery);
|
|
rePkg = /(requireplugins-|require-)?jquery[\-\d\.]*(min)?\.js(\W|$)/i;
|
|
//>>includeEnd("jquery");
|
|
|
|
//>>includeStart("dojoConvert", pragmas.dojoConvert);
|
|
rePkg = /dojo\.js(\W|$)/i;
|
|
//>>includeEnd("dojoConvert");
|
|
|
|
//>>excludeStart("dojoConvert", pragmas.dojoConvert);
|
|
|
|
//>>excludeStart("jquery", pragmas.jquery);
|
|
rePkg = /(allplugins-)?require\.js(\W|$)/i;
|
|
//>>excludeEnd("jquery");
|
|
|
|
//>>excludeEnd("dojoConvert");
|
|
}
|
|
|
|
for (i = scripts.length - 1; i > -1 && (script = scripts[i]); i--) {
|
|
//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 (!dataMain && (dataMain = script.getAttribute('data-main'))) {
|
|
cfg.deps = cfg.deps ? cfg.deps.concat(dataMain) : [dataMain];
|
|
|
|
//Favor using data-main tag as the base URL instead of
|
|
//trying to pattern-match src values.
|
|
if (!cfg.baseUrl && (src = script.src)) {
|
|
src = src.split('/');
|
|
src.pop();
|
|
//Make sure current config gets the value.
|
|
s.baseUrl = cfg.baseUrl = src.length ? src.join('/') : './';
|
|
}
|
|
}
|
|
|
|
//Using .src instead of getAttribute to get an absolute URL.
|
|
//While using a relative URL will be fine for script tags, other
|
|
//URLs used for text! resources that use XHR calls might benefit
|
|
//from an absolute URL.
|
|
if (!s.baseUrl && (src = script.src)) {
|
|
m = src.match(rePkg);
|
|
if (m) {
|
|
s.baseUrl = src.substring(0, m.index);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//****** START page load functionality ****************
|
|
/**
|
|
* Sets the page as loaded and triggers check for all modules loaded.
|
|
*/
|
|
req.pageLoaded = function () {
|
|
if (!s.isPageLoaded) {
|
|
s.isPageLoaded = true;
|
|
if (scrollIntervalId) {
|
|
clearInterval(scrollIntervalId);
|
|
}
|
|
|
|
//Part of a fix for FF < 3.6 where readyState was not set to
|
|
//complete so libraries like jQuery that check for readyState
|
|
//after page load where not getting initialized correctly.
|
|
//Original approach suggested by Andrea Giammarchi:
|
|
//http://webreflection.blogspot.com/2009/11/195-chars-to-help-lazy-loading.html
|
|
//see other setReadyState reference for the rest of the fix.
|
|
if (setReadyState) {
|
|
document.readyState = "complete";
|
|
}
|
|
|
|
req.callReady();
|
|
}
|
|
};
|
|
|
|
//See if there is nothing waiting across contexts, and if not, trigger
|
|
//callReady.
|
|
req.checkReadyState = function () {
|
|
var contexts = s.contexts, prop;
|
|
for (prop in contexts) {
|
|
if (!(prop in empty)) {
|
|
if (contexts[prop].waitCount) {
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
s.isDone = true;
|
|
req.callReady();
|
|
};
|
|
|
|
/**
|
|
* Internal function that calls back any ready functions. If you are
|
|
* integrating RequireJS with another library without require.ready support,
|
|
* you can define this method to call your page ready code instead.
|
|
*/
|
|
req.callReady = function () {
|
|
var callbacks = s.readyCalls, i, callback, contexts, context, prop;
|
|
|
|
if (s.isPageLoaded && s.isDone) {
|
|
if (callbacks.length) {
|
|
s.readyCalls = [];
|
|
for (i = 0; (callback = callbacks[i]); i++) {
|
|
callback();
|
|
}
|
|
}
|
|
|
|
//If jQuery with readyWait is being tracked, updated its
|
|
//readyWait count.
|
|
contexts = s.contexts;
|
|
for (prop in contexts) {
|
|
if (!(prop in empty)) {
|
|
context = contexts[prop];
|
|
if (context.jQueryIncremented) {
|
|
context.jQuery.readyWait -= 1;
|
|
context.jQueryIncremented = false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Registers functions to call when the page is loaded
|
|
*/
|
|
req.ready = function (callback) {
|
|
if (s.isPageLoaded && s.isDone) {
|
|
callback();
|
|
} else {
|
|
s.readyCalls.push(callback);
|
|
}
|
|
return req;
|
|
};
|
|
|
|
if (isBrowser) {
|
|
if (document.addEventListener) {
|
|
//Standards. Hooray! Assumption here that if standards based,
|
|
//it knows about DOMContentLoaded.
|
|
document.addEventListener("DOMContentLoaded", req.pageLoaded, false);
|
|
window.addEventListener("load", req.pageLoaded, false);
|
|
//Part of FF < 3.6 readystate fix (see setReadyState refs for more info)
|
|
if (!document.readyState) {
|
|
setReadyState = true;
|
|
document.readyState = "loading";
|
|
}
|
|
} else if (window.attachEvent) {
|
|
window.attachEvent("onload", req.pageLoaded);
|
|
|
|
//DOMContentLoaded approximation, as found by Diego Perini:
|
|
//http://javascript.nwbox.com/IEContentLoaded/
|
|
if (self === self.top) {
|
|
scrollIntervalId = setInterval(function () {
|
|
try {
|
|
//From this ticket:
|
|
//http://bugs.dojotoolkit.org/ticket/11106,
|
|
//In IE HTML Application (HTA), such as in a selenium test,
|
|
//javascript in the iframe can't see anything outside
|
|
//of it, so self===self.top is true, but the iframe is
|
|
//not the top window and doScroll will be available
|
|
//before document.body is set. Test document.body
|
|
//before trying the doScroll trick.
|
|
if (document.body) {
|
|
document.documentElement.doScroll("left");
|
|
req.pageLoaded();
|
|
}
|
|
} catch (e) {}
|
|
}, 30);
|
|
}
|
|
}
|
|
|
|
//Check if document already complete, and if so, just trigger page load
|
|
//listeners. NOTE: does not work with Firefox before 3.6. To support
|
|
//those browsers, manually call require.pageLoaded().
|
|
if (document.readyState === "complete") {
|
|
req.pageLoaded();
|
|
}
|
|
}
|
|
//****** END page load functionality ****************
|
|
|
|
//Set up default context. If require was a configuration object, use that as base config.
|
|
req(cfg);
|
|
|
|
//If modules are built into require.js, then need to make sure dependencies are
|
|
//traced. Use a setTimeout in the browser world, to allow all the modules to register
|
|
//themselves. In a non-browser env, assume that modules are not built into require.js,
|
|
//which seems odd to do on the server.
|
|
if (typeof setTimeout !== "undefined") {
|
|
ctx = s.contexts[(cfg.context || defContextName)];
|
|
//Indicate that the script that includes require() is still loading,
|
|
//so that require()'d dependencies are not traced until the end of the
|
|
//file is parsed (approximated via the setTimeout call).
|
|
ctx.requireWait = true;
|
|
setTimeout(function () {
|
|
ctx.requireWait = false;
|
|
|
|
//Any modules included with the require.js file will be in the
|
|
//global queue, assign them to this context.
|
|
ctx.takeGlobalQueue();
|
|
|
|
//Allow for jQuery to be loaded/already in the page, and if jQuery 1.4.3,
|
|
//make sure to hold onto it for readyWait triggering.
|
|
ctx.jQueryCheck();
|
|
|
|
if (!ctx.scriptCount) {
|
|
ctx.resume();
|
|
}
|
|
req.checkReadyState();
|
|
}, 0);
|
|
}
|
|
}());
|