troeger /
fuzzed
| Conditions | 13 |
| Paths | > 20000 |
| Total Lines | 2034 |
| Lines | 0 |
| Ratio | 0 % |
| Changes | 0 | ||
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
Complex classes like FuzzEd/static/lib/requirejs/requirejs-2.1.6.js often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
| 1 | /** vim: et:ts=4:sw=4:sts=4 |
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| 12 | (function (global) { |
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| 13 | var req, s, head, baseElement, dataMain, src, |
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| 14 | interactiveScript, currentlyAddingScript, mainScript, subPath, |
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| 15 | version = '2.1.6', |
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| 16 | commentRegExp = /(\/\*([\s\S]*?)\*\/|([^:]|^)\/\/(.*)$)/mg, |
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| 17 | cjsRequireRegExp = /[^.]\s*require\s*\(\s*["']([^'"\s]+)["']\s*\)/g, |
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| 18 | jsSuffixRegExp = /\.js$/, |
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| 19 | currDirRegExp = /^\.\//, |
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| 20 | op = Object.prototype, |
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| 21 | ostring = op.toString, |
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| 22 | hasOwn = op.hasOwnProperty, |
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| 23 | ap = Array.prototype, |
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| 24 | apsp = ap.splice, |
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| 25 | isBrowser = !!(typeof window !== 'undefined' && navigator && window.document), |
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| 26 | isWebWorker = !isBrowser && typeof importScripts !== 'undefined', |
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| 27 | //PS3 indicates loaded and complete, but need to wait for complete |
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| 28 | //specifically. Sequence is 'loading', 'loaded', execution, |
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| 29 | // then 'complete'. The UA check is unfortunate, but not sure how |
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| 30 | //to feature test w/o causing perf issues. |
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| 31 | readyRegExp = isBrowser && navigator.platform === 'PLAYSTATION 3' ? |
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| 32 | /^complete$/ : /^(complete|loaded)$/, |
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| 33 | defContextName = '_', |
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| 34 | //Oh the tragedy, detecting opera. See the usage of isOpera for reason. |
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| 35 | isOpera = typeof opera !== 'undefined' && opera.toString() === '[object Opera]', |
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| 36 | contexts = {}, |
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| 37 | cfg = {}, |
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| 38 | globalDefQueue = [], |
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| 39 | useInteractive = false; |
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| 40 | |||
| 41 | function isFunction(it) { |
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| 42 | return ostring.call(it) === '[object Function]'; |
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| 43 | } |
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| 44 | |||
| 45 | function isArray(it) { |
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| 46 | return ostring.call(it) === '[object Array]'; |
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| 47 | } |
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| 48 | |||
| 49 | /** |
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| 50 | * Helper function for iterating over an array. If the func returns |
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| 51 | * a true value, it will break out of the loop. |
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| 52 | */ |
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| 53 | function each(ary, func) { |
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| 54 | if (ary) { |
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| 55 | var i; |
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| 56 | for (i = 0; i < ary.length; i += 1) { |
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| 57 | if (ary[i] && func(ary[i], i, ary)) { |
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| 58 | break; |
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| 59 | } |
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| 60 | } |
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| 61 | } |
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| 62 | } |
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| 63 | |||
| 64 | /** |
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| 65 | * Helper function for iterating over an array backwards. If the func |
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| 66 | * returns a true value, it will break out of the loop. |
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| 67 | */ |
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| 68 | function eachReverse(ary, func) { |
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| 69 | if (ary) { |
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| 70 | var i; |
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| 71 | for (i = ary.length - 1; i > -1; i -= 1) { |
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| 72 | if (ary[i] && func(ary[i], i, ary)) { |
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| 73 | break; |
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| 74 | } |
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| 75 | } |
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| 76 | } |
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| 77 | } |
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| 78 | |||
| 79 | function hasProp(obj, prop) { |
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| 80 | return hasOwn.call(obj, prop); |
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| 81 | } |
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| 82 | |||
| 83 | function getOwn(obj, prop) { |
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| 84 | return hasProp(obj, prop) && obj[prop]; |
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| 85 | } |
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| 86 | |||
| 87 | /** |
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| 88 | * Cycles over properties in an object and calls a function for each |
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| 89 | * property value. If the function returns a truthy value, then the |
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| 90 | * iteration is stopped. |
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| 91 | */ |
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| 92 | function eachProp(obj, func) { |
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| 93 | var prop; |
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| 94 | for (prop in obj) { |
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| 95 | if (hasProp(obj, prop)) { |
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| 96 | if (func(obj[prop], prop)) { |
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| 97 | break; |
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| 98 | } |
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| 99 | } |
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| 100 | } |
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| 101 | } |
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| 102 | |||
| 103 | /** |
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| 104 | * Simple function to mix in properties from source into target, |
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| 105 | * but only if target does not already have a property of the same name. |
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| 106 | */ |
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| 107 | function mixin(target, source, force, deepStringMixin) { |
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| 108 | if (source) { |
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| 109 | eachProp(source, function (value, prop) { |
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| 110 | if (force || !hasProp(target, prop)) { |
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| 111 | if (deepStringMixin && typeof value !== 'string') { |
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| 112 | if (!target[prop]) { |
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| 113 | target[prop] = {}; |
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| 114 | } |
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| 115 | mixin(target[prop], value, force, deepStringMixin); |
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| 116 | } else { |
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| 117 | target[prop] = value; |
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| 118 | } |
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| 119 | } |
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| 120 | }); |
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| 121 | } |
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| 122 | return target; |
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| 123 | } |
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| 124 | |||
| 125 | //Similar to Function.prototype.bind, but the 'this' object is specified |
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| 126 | //first, since it is easier to read/figure out what 'this' will be. |
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| 127 | function bind(obj, fn) { |
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| 128 | return function () { |
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| 129 | return fn.apply(obj, arguments); |
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| 130 | }; |
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| 131 | } |
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| 132 | |||
| 133 | function scripts() { |
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| 134 | return document.getElementsByTagName('script'); |
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| 135 | } |
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| 136 | |||
| 137 | function defaultOnError(err) { |
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| 138 | throw err; |
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| 139 | } |
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| 140 | |||
| 141 | //Allow getting a global that expressed in |
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| 142 | //dot notation, like 'a.b.c'. |
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| 143 | function getGlobal(value) { |
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| 144 | if (!value) { |
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| 145 | return value; |
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| 146 | } |
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| 147 | var g = global; |
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| 148 | each(value.split('.'), function (part) { |
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| 149 | g = g[part]; |
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| 150 | }); |
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| 151 | return g; |
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| 152 | } |
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| 153 | |||
| 154 | /** |
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| 155 | * Constructs an error with a pointer to an URL with more information. |
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| 156 | * @param {String} id the error ID that maps to an ID on a web page. |
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| 157 | * @param {String} message human readable error. |
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| 158 | * @param {Error} [err] the original error, if there is one. |
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| 159 | * |
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| 160 | * @returns {Error} |
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| 161 | */ |
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| 162 | function makeError(id, msg, err, requireModules) { |
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| 163 | var e = new Error(msg + '\nhttp://requirejs.org/docs/errors.html#' + id); |
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| 164 | e.requireType = id; |
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| 165 | e.requireModules = requireModules; |
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| 166 | if (err) { |
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| 167 | e.originalError = err; |
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| 168 | } |
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| 169 | return e; |
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| 170 | } |
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| 171 | |||
| 172 | if (typeof define !== 'undefined') { |
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| 173 | //If a define is already in play via another AMD loader, |
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| 174 | //do not overwrite. |
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| 175 | return; |
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| 176 | } |
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| 177 | |||
| 178 | if (typeof requirejs !== 'undefined') { |
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| 179 | if (isFunction(requirejs)) { |
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| 180 | //Do not overwrite and existing requirejs instance. |
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| 181 | return; |
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| 182 | } |
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| 183 | cfg = requirejs; |
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| 184 | requirejs = undefined; |
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| 185 | } |
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| 186 | |||
| 187 | //Allow for a require config object |
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| 188 | if (typeof require !== 'undefined' && !isFunction(require)) { |
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| 189 | //assume it is a config object. |
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| 190 | cfg = require; |
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| 191 | require = undefined; |
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| 192 | } |
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| 193 | |||
| 194 | function newContext(contextName) { |
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| 195 | var inCheckLoaded, Module, context, handlers, |
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| 196 | checkLoadedTimeoutId, |
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| 197 | config = { |
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| 198 | //Defaults. Do not set a default for map |
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| 199 | //config to speed up normalize(), which |
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| 200 | //will run faster if there is no default. |
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| 201 | waitSeconds: 7, |
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| 202 | baseUrl: './', |
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| 203 | paths: {}, |
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| 204 | pkgs: {}, |
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| 205 | shim: {}, |
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| 206 | config: {} |
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| 207 | }, |
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| 208 | registry = {}, |
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| 209 | //registry of just enabled modules, to speed |
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| 210 | //cycle breaking code when lots of modules |
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| 211 | //are registered, but not activated. |
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| 212 | enabledRegistry = {}, |
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| 213 | undefEvents = {}, |
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| 214 | defQueue = [], |
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| 215 | defined = {}, |
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| 216 | urlFetched = {}, |
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| 217 | requireCounter = 1, |
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| 218 | unnormalizedCounter = 1; |
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| 219 | |||
| 220 | /** |
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| 221 | * Trims the . and .. from an array of path segments. |
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| 222 | * It will keep a leading path segment if a .. will become |
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| 223 | * the first path segment, to help with module name lookups, |
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| 224 | * which act like paths, but can be remapped. But the end result, |
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| 225 | * all paths that use this function should look normalized. |
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| 226 | * NOTE: this method MODIFIES the input array. |
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| 227 | * @param {Array} ary the array of path segments. |
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| 228 | */ |
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| 229 | function trimDots(ary) { |
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| 230 | var i, part; |
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| 231 | for (i = 0; ary[i]; i += 1) { |
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| 232 | part = ary[i]; |
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| 233 | if (part === '.') { |
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| 234 | ary.splice(i, 1); |
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| 235 | i -= 1; |
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| 236 | } else if (part === '..') { |
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| 237 | if (i === 1 && (ary[2] === '..' || ary[0] === '..')) { |
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| 238 | //End of the line. Keep at least one non-dot |
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| 239 | //path segment at the front so it can be mapped |
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| 240 | //correctly to disk. Otherwise, there is likely |
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| 241 | //no path mapping for a path starting with '..'. |
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| 242 | //This can still fail, but catches the most reasonable |
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| 243 | //uses of .. |
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| 244 | break; |
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| 245 | } else if (i > 0) { |
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| 246 | ary.splice(i - 1, 2); |
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| 247 | i -= 2; |
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| 248 | } |
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| 249 | } |
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| 250 | } |
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| 251 | } |
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| 252 | |||
| 253 | /** |
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| 254 | * Given a relative module name, like ./something, normalize it to |
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| 255 | * a real name that can be mapped to a path. |
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| 256 | * @param {String} name the relative name |
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| 257 | * @param {String} baseName a real name that the name arg is relative |
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| 258 | * to. |
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| 259 | * @param {Boolean} applyMap apply the map config to the value. Should |
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| 260 | * only be done if this normalization is for a dependency ID. |
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| 261 | * @returns {String} normalized name |
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| 262 | */ |
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| 263 | function normalize(name, baseName, applyMap) { |
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| 264 | var pkgName, pkgConfig, mapValue, nameParts, i, j, nameSegment, |
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| 265 | foundMap, foundI, foundStarMap, starI, |
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| 266 | baseParts = baseName && baseName.split('/'), |
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| 267 | normalizedBaseParts = baseParts, |
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| 268 | map = config.map, |
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| 269 | starMap = map && map['*']; |
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| 270 | |||
| 271 | //Adjust any relative paths. |
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| 272 | if (name && name.charAt(0) === '.') { |
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| 273 | //If have a base name, try to normalize against it, |
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| 274 | //otherwise, assume it is a top-level require that will |
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| 275 | //be relative to baseUrl in the end. |
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| 276 | if (baseName) { |
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| 277 | if (getOwn(config.pkgs, baseName)) { |
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| 278 | //If the baseName is a package name, then just treat it as one |
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| 279 | //name to concat the name with. |
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| 280 | normalizedBaseParts = baseParts = [baseName]; |
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| 281 | } else { |
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| 282 | //Convert baseName to array, and lop off the last part, |
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| 283 | //so that . matches that 'directory' and not name of the baseName's |
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| 284 | //module. For instance, baseName of 'one/two/three', maps to |
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| 285 | //'one/two/three.js', but we want the directory, 'one/two' for |
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| 286 | //this normalization. |
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| 287 | normalizedBaseParts = baseParts.slice(0, baseParts.length - 1); |
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| 288 | } |
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| 289 | |||
| 290 | name = normalizedBaseParts.concat(name.split('/')); |
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| 291 | trimDots(name); |
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| 292 | |||
| 293 | //Some use of packages may use a . path to reference the |
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| 294 | //'main' module name, so normalize for that. |
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| 295 | pkgConfig = getOwn(config.pkgs, (pkgName = name[0])); |
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| 296 | name = name.join('/'); |
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| 297 | if (pkgConfig && name === pkgName + '/' + pkgConfig.main) { |
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| 298 | name = pkgName; |
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| 299 | } |
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| 300 | } else if (name.indexOf('./') === 0) { |
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| 301 | // No baseName, so this is ID is resolved relative |
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| 302 | // to baseUrl, pull off the leading dot. |
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| 303 | name = name.substring(2); |
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| 304 | } |
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| 305 | } |
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| 306 | |||
| 307 | //Apply map config if available. |
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| 308 | if (applyMap && map && (baseParts || starMap)) { |
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| 309 | nameParts = name.split('/'); |
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| 310 | |||
| 311 | for (i = nameParts.length; i > 0; i -= 1) { |
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| 312 | nameSegment = nameParts.slice(0, i).join('/'); |
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| 313 | |||
| 314 | if (baseParts) { |
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| 315 | //Find the longest baseName segment match in the config. |
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| 316 | //So, do joins on the biggest to smallest lengths of baseParts. |
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| 317 | for (j = baseParts.length; j > 0; j -= 1) { |
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| 318 | mapValue = getOwn(map, baseParts.slice(0, j).join('/')); |
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| 319 | |||
| 320 | //baseName segment has config, find if it has one for |
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| 321 | //this name. |
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| 322 | if (mapValue) { |
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| 323 | mapValue = getOwn(mapValue, nameSegment); |
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| 324 | if (mapValue) { |
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| 325 | //Match, update name to the new value. |
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| 326 | foundMap = mapValue; |
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| 327 | foundI = i; |
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| 328 | break; |
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| 329 | } |
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| 330 | } |
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| 331 | } |
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| 332 | } |
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| 333 | |||
| 334 | if (foundMap) { |
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| 335 | break; |
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| 336 | } |
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| 337 | |||
| 338 | //Check for a star map match, but just hold on to it, |
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| 339 | //if there is a shorter segment match later in a matching |
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| 340 | //config, then favor over this star map. |
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| 341 | if (!foundStarMap && starMap && getOwn(starMap, nameSegment)) { |
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| 342 | foundStarMap = getOwn(starMap, nameSegment); |
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| 343 | starI = i; |
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| 344 | } |
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| 345 | } |
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| 346 | |||
| 347 | if (!foundMap && foundStarMap) { |
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| 348 | foundMap = foundStarMap; |
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| 349 | foundI = starI; |
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| 350 | } |
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| 351 | |||
| 352 | if (foundMap) { |
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| 353 | nameParts.splice(0, foundI, foundMap); |
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| 354 | name = nameParts.join('/'); |
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| 355 | } |
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| 356 | } |
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| 357 | |||
| 358 | return name; |
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| 359 | } |
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| 360 | |||
| 361 | function removeScript(name) { |
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| 362 | if (isBrowser) { |
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| 363 | each(scripts(), function (scriptNode) { |
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| 364 | if (scriptNode.getAttribute('data-requiremodule') === name && |
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| 365 | scriptNode.getAttribute('data-requirecontext') === context.contextName) { |
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| 366 | scriptNode.parentNode.removeChild(scriptNode); |
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| 367 | return true; |
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| 368 | } |
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| 369 | }); |
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| 370 | } |
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| 371 | } |
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| 372 | |||
| 373 | function hasPathFallback(id) { |
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| 374 | var pathConfig = getOwn(config.paths, id); |
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| 375 | if (pathConfig && isArray(pathConfig) && pathConfig.length > 1) { |
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| 376 | removeScript(id); |
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| 377 | //Pop off the first array value, since it failed, and |
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| 378 | //retry |
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| 379 | pathConfig.shift(); |
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| 380 | context.require.undef(id); |
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| 381 | context.require([id]); |
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| 382 | return true; |
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| 383 | } |
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| 384 | } |
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| 385 | |||
| 386 | //Turns a plugin!resource to [plugin, resource] |
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| 387 | //with the plugin being undefined if the name |
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| 388 | //did not have a plugin prefix. |
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| 389 | function splitPrefix(name) { |
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| 390 | var prefix, |
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| 391 | index = name ? name.indexOf('!') : -1; |
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| 392 | if (index > -1) { |
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| 393 | prefix = name.substring(0, index); |
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| 394 | name = name.substring(index + 1, name.length); |
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| 395 | } |
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| 396 | return [prefix, name]; |
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| 397 | } |
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| 398 | |||
| 399 | /** |
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| 400 | * Creates a module mapping that includes plugin prefix, module |
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| 401 | * name, and path. If parentModuleMap is provided it will |
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| 402 | * also normalize the name via require.normalize() |
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| 403 | * |
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| 404 | * @param {String} name the module name |
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| 405 | * @param {String} [parentModuleMap] parent module map |
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| 406 | * for the module name, used to resolve relative names. |
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| 407 | * @param {Boolean} isNormalized: is the ID already normalized. |
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| 408 | * This is true if this call is done for a define() module ID. |
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| 409 | * @param {Boolean} applyMap: apply the map config to the ID. |
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| 410 | * Should only be true if this map is for a dependency. |
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| 411 | * |
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| 412 | * @returns {Object} |
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| 413 | */ |
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| 414 | function makeModuleMap(name, parentModuleMap, isNormalized, applyMap) { |
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| 415 | var url, pluginModule, suffix, nameParts, |
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| 416 | prefix = null, |
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| 417 | parentName = parentModuleMap ? parentModuleMap.name : null, |
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| 418 | originalName = name, |
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| 419 | isDefine = true, |
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| 420 | normalizedName = ''; |
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| 421 | |||
| 422 | //If no name, then it means it is a require call, generate an |
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| 423 | //internal name. |
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| 424 | if (!name) { |
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| 425 | isDefine = false; |
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| 426 | name = '_@r' + (requireCounter += 1); |
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| 427 | } |
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| 428 | |||
| 429 | nameParts = splitPrefix(name); |
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| 430 | prefix = nameParts[0]; |
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| 431 | name = nameParts[1]; |
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| 432 | |||
| 433 | if (prefix) { |
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| 434 | prefix = normalize(prefix, parentName, applyMap); |
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| 435 | pluginModule = getOwn(defined, prefix); |
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| 436 | } |
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| 437 | |||
| 438 | //Account for relative paths if there is a base name. |
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| 439 | if (name) { |
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| 440 | if (prefix) { |
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| 441 | if (pluginModule && pluginModule.normalize) { |
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| 442 | //Plugin is loaded, use its normalize method. |
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| 443 | normalizedName = pluginModule.normalize(name, function (name) { |
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| 444 | return normalize(name, parentName, applyMap); |
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| 445 | }); |
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| 446 | } else { |
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| 447 | normalizedName = normalize(name, parentName, applyMap); |
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| 448 | } |
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| 449 | } else { |
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| 450 | //A regular module. |
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| 451 | normalizedName = normalize(name, parentName, applyMap); |
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| 452 | |||
| 453 | //Normalized name may be a plugin ID due to map config |
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| 454 | //application in normalize. The map config values must |
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| 455 | //already be normalized, so do not need to redo that part. |
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| 456 | nameParts = splitPrefix(normalizedName); |
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| 457 | prefix = nameParts[0]; |
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| 458 | normalizedName = nameParts[1]; |
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| 459 | isNormalized = true; |
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| 460 | |||
| 461 | url = context.nameToUrl(normalizedName); |
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| 462 | } |
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| 463 | } |
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| 464 | |||
| 465 | //If the id is a plugin id that cannot be determined if it needs |
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| 466 | //normalization, stamp it with a unique ID so two matching relative |
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| 467 | //ids that may conflict can be separate. |
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| 468 | suffix = prefix && !pluginModule && !isNormalized ? |
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| 469 | '_unnormalized' + (unnormalizedCounter += 1) : |
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| 470 | ''; |
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| 471 | |||
| 472 | return { |
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| 473 | prefix: prefix, |
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| 474 | name: normalizedName, |
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| 475 | parentMap: parentModuleMap, |
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| 476 | unnormalized: !!suffix, |
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| 477 | url: url, |
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| 478 | originalName: originalName, |
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| 479 | isDefine: isDefine, |
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| 480 | id: (prefix ? |
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| 481 | prefix + '!' + normalizedName : |
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| 482 | normalizedName) + suffix |
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| 483 | }; |
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| 484 | } |
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| 485 | |||
| 486 | function getModule(depMap) { |
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| 487 | var id = depMap.id, |
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| 488 | mod = getOwn(registry, id); |
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| 489 | |||
| 490 | if (!mod) { |
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| 491 | mod = registry[id] = new context.Module(depMap); |
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| 492 | } |
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| 493 | |||
| 494 | return mod; |
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| 495 | } |
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| 496 | |||
| 497 | function on(depMap, name, fn) { |
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| 498 | var id = depMap.id, |
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| 499 | mod = getOwn(registry, id); |
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| 500 | |||
| 501 | if (hasProp(defined, id) && |
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| 502 | (!mod || mod.defineEmitComplete)) { |
||
| 503 | if (name === 'defined') { |
||
| 504 | fn(defined[id]); |
||
| 505 | } |
||
| 506 | } else { |
||
| 507 | mod = getModule(depMap); |
||
| 508 | if (mod.error && name === 'error') { |
||
| 509 | fn(mod.error); |
||
| 510 | } else { |
||
| 511 | mod.on(name, fn); |
||
| 512 | } |
||
| 513 | } |
||
| 514 | } |
||
| 515 | |||
| 516 | function onError(err, errback) { |
||
| 517 | var ids = err.requireModules, |
||
| 518 | notified = false; |
||
| 519 | |||
| 520 | if (errback) { |
||
| 521 | errback(err); |
||
| 522 | } else { |
||
| 523 | each(ids, function (id) { |
||
| 524 | var mod = getOwn(registry, id); |
||
| 525 | if (mod) { |
||
| 526 | //Set error on module, so it skips timeout checks. |
||
| 527 | mod.error = err; |
||
| 528 | if (mod.events.error) { |
||
| 529 | notified = true; |
||
| 530 | mod.emit('error', err); |
||
| 531 | } |
||
| 532 | } |
||
| 533 | }); |
||
| 534 | |||
| 535 | if (!notified) { |
||
| 536 | req.onError(err); |
||
| 537 | } |
||
| 538 | } |
||
| 539 | } |
||
| 540 | |||
| 541 | /** |
||
| 542 | * Internal method to transfer globalQueue items to this context's |
||
| 543 | * defQueue. |
||
| 544 | */ |
||
| 545 | function takeGlobalQueue() { |
||
| 546 | //Push all the globalDefQueue items into the context's defQueue |
||
| 547 | if (globalDefQueue.length) { |
||
| 548 | //Array splice in the values since the context code has a |
||
| 549 | //local var ref to defQueue, so cannot just reassign the one |
||
| 550 | //on context. |
||
| 551 | apsp.apply(defQueue, |
||
| 552 | [defQueue.length - 1, 0].concat(globalDefQueue)); |
||
| 553 | globalDefQueue = []; |
||
| 554 | } |
||
| 555 | } |
||
| 556 | |||
| 557 | handlers = { |
||
| 558 | 'require': function (mod) { |
||
| 559 | if (mod.require) { |
||
| 560 | return mod.require; |
||
| 561 | } else { |
||
| 562 | return (mod.require = context.makeRequire(mod.map)); |
||
| 563 | } |
||
| 564 | }, |
||
| 565 | 'exports': function (mod) { |
||
| 566 | mod.usingExports = true; |
||
| 567 | if (mod.map.isDefine) { |
||
| 568 | if (mod.exports) { |
||
| 569 | return mod.exports; |
||
| 570 | } else { |
||
| 571 | return (mod.exports = defined[mod.map.id] = {}); |
||
| 572 | } |
||
| 573 | } |
||
| 574 | }, |
||
| 575 | 'module': function (mod) { |
||
| 576 | if (mod.module) { |
||
| 577 | return mod.module; |
||
| 578 | } else { |
||
| 579 | return (mod.module = { |
||
| 580 | id: mod.map.id, |
||
| 581 | uri: mod.map.url, |
||
| 582 | config: function () { |
||
| 583 | var c, |
||
| 584 | pkg = getOwn(config.pkgs, mod.map.id); |
||
| 585 | // For packages, only support config targeted |
||
| 586 | // at the main module. |
||
| 587 | c = pkg ? getOwn(config.config, mod.map.id + '/' + pkg.main) : |
||
| 588 | getOwn(config.config, mod.map.id); |
||
| 589 | return c || {}; |
||
| 590 | }, |
||
| 591 | exports: defined[mod.map.id] |
||
| 592 | }); |
||
| 593 | } |
||
| 594 | } |
||
| 595 | }; |
||
| 596 | |||
| 597 | function cleanRegistry(id) { |
||
| 598 | //Clean up machinery used for waiting modules. |
||
| 599 | delete registry[id]; |
||
| 600 | delete enabledRegistry[id]; |
||
| 601 | } |
||
| 602 | |||
| 603 | function breakCycle(mod, traced, processed) { |
||
| 604 | var id = mod.map.id; |
||
| 605 | |||
| 606 | if (mod.error) { |
||
| 607 | mod.emit('error', mod.error); |
||
| 608 | } else { |
||
| 609 | traced[id] = true; |
||
| 610 | each(mod.depMaps, function (depMap, i) { |
||
| 611 | var depId = depMap.id, |
||
| 612 | dep = getOwn(registry, depId); |
||
| 613 | |||
| 614 | //Only force things that have not completed |
||
| 615 | //being defined, so still in the registry, |
||
| 616 | //and only if it has not been matched up |
||
| 617 | //in the module already. |
||
| 618 | if (dep && !mod.depMatched[i] && !processed[depId]) { |
||
| 619 | if (getOwn(traced, depId)) { |
||
| 620 | mod.defineDep(i, defined[depId]); |
||
| 621 | mod.check(); //pass false? |
||
| 622 | } else { |
||
| 623 | breakCycle(dep, traced, processed); |
||
| 624 | } |
||
| 625 | } |
||
| 626 | }); |
||
| 627 | processed[id] = true; |
||
| 628 | } |
||
| 629 | } |
||
| 630 | |||
| 631 | function checkLoaded() { |
||
| 632 | var map, modId, err, usingPathFallback, |
||
| 633 | waitInterval = config.waitSeconds * 1000, |
||
| 634 | //It is possible to disable the wait interval by using waitSeconds of 0. |
||
| 635 | expired = waitInterval && (context.startTime + waitInterval) < new Date().getTime(), |
||
| 636 | noLoads = [], |
||
| 637 | reqCalls = [], |
||
| 638 | stillLoading = false, |
||
| 639 | needCycleCheck = true; |
||
| 640 | |||
| 641 | //Do not bother if this call was a result of a cycle break. |
||
| 642 | if (inCheckLoaded) { |
||
| 643 | return; |
||
| 644 | } |
||
| 645 | |||
| 646 | inCheckLoaded = true; |
||
| 647 | |||
| 648 | //Figure out the state of all the modules. |
||
| 649 | eachProp(enabledRegistry, function (mod) { |
||
| 650 | map = mod.map; |
||
| 651 | modId = map.id; |
||
| 652 | |||
| 653 | //Skip things that are not enabled or in error state. |
||
| 654 | if (!mod.enabled) { |
||
| 655 | return; |
||
| 656 | } |
||
| 657 | |||
| 658 | if (!map.isDefine) { |
||
| 659 | reqCalls.push(mod); |
||
| 660 | } |
||
| 661 | |||
| 662 | if (!mod.error) { |
||
| 663 | //If the module should be executed, and it has not |
||
| 664 | //been inited and time is up, remember it. |
||
| 665 | if (!mod.inited && expired) { |
||
| 666 | if (hasPathFallback(modId)) { |
||
| 667 | usingPathFallback = true; |
||
| 668 | stillLoading = true; |
||
| 669 | } else { |
||
| 670 | noLoads.push(modId); |
||
| 671 | removeScript(modId); |
||
| 672 | } |
||
| 673 | } else if (!mod.inited && mod.fetched && map.isDefine) { |
||
| 674 | stillLoading = true; |
||
| 675 | if (!map.prefix) { |
||
| 676 | //No reason to keep looking for unfinished |
||
| 677 | //loading. If the only stillLoading is a |
||
| 678 | //plugin resource though, keep going, |
||
| 679 | //because it may be that a plugin resource |
||
| 680 | //is waiting on a non-plugin cycle. |
||
| 681 | return (needCycleCheck = false); |
||
| 682 | } |
||
| 683 | } |
||
| 684 | } |
||
| 685 | }); |
||
| 686 | |||
| 687 | if (expired && noLoads.length) { |
||
| 688 | //If wait time expired, throw error of unloaded modules. |
||
| 689 | err = makeError('timeout', 'Load timeout for modules: ' + noLoads, null, noLoads); |
||
| 690 | err.contextName = context.contextName; |
||
| 691 | return onError(err); |
||
| 692 | } |
||
| 693 | |||
| 694 | //Not expired, check for a cycle. |
||
| 695 | if (needCycleCheck) { |
||
| 696 | each(reqCalls, function (mod) { |
||
| 697 | breakCycle(mod, {}, {}); |
||
| 698 | }); |
||
| 699 | } |
||
| 700 | |||
| 701 | //If still waiting on loads, and the waiting load is something |
||
| 702 | //other than a plugin resource, or there are still outstanding |
||
| 703 | //scripts, then just try back later. |
||
| 704 | if ((!expired || usingPathFallback) && stillLoading) { |
||
| 705 | //Something is still waiting to load. Wait for it, but only |
||
| 706 | //if a timeout is not already in effect. |
||
| 707 | if ((isBrowser || isWebWorker) && !checkLoadedTimeoutId) { |
||
| 708 | checkLoadedTimeoutId = setTimeout(function () { |
||
| 709 | checkLoadedTimeoutId = 0; |
||
| 710 | checkLoaded(); |
||
| 711 | }, 50); |
||
| 712 | } |
||
| 713 | } |
||
| 714 | |||
| 715 | inCheckLoaded = false; |
||
| 716 | } |
||
| 717 | |||
| 718 | Module = function (map) { |
||
| 719 | this.events = getOwn(undefEvents, map.id) || {}; |
||
| 720 | this.map = map; |
||
| 721 | this.shim = getOwn(config.shim, map.id); |
||
| 722 | this.depExports = []; |
||
| 723 | this.depMaps = []; |
||
| 724 | this.depMatched = []; |
||
| 725 | this.pluginMaps = {}; |
||
| 726 | this.depCount = 0; |
||
| 727 | |||
| 728 | /* this.exports this.factory |
||
| 729 | this.depMaps = [], |
||
| 730 | this.enabled, this.fetched |
||
| 731 | */ |
||
| 732 | }; |
||
| 733 | |||
| 734 | Module.prototype = { |
||
| 735 | init: function (depMaps, factory, errback, options) { |
||
| 736 | options = options || {}; |
||
| 737 | |||
| 738 | //Do not do more inits if already done. Can happen if there |
||
| 739 | //are multiple define calls for the same module. That is not |
||
| 740 | //a normal, common case, but it is also not unexpected. |
||
| 741 | if (this.inited) { |
||
| 742 | return; |
||
| 743 | } |
||
| 744 | |||
| 745 | this.factory = factory; |
||
| 746 | |||
| 747 | if (errback) { |
||
| 748 | //Register for errors on this module. |
||
| 749 | this.on('error', errback); |
||
| 750 | } else if (this.events.error) { |
||
| 751 | //If no errback already, but there are error listeners |
||
| 752 | //on this module, set up an errback to pass to the deps. |
||
| 753 | errback = bind(this, function (err) { |
||
| 754 | this.emit('error', err); |
||
| 755 | }); |
||
| 756 | } |
||
| 757 | |||
| 758 | //Do a copy of the dependency array, so that |
||
| 759 | //source inputs are not modified. For example |
||
| 760 | //"shim" deps are passed in here directly, and |
||
| 761 | //doing a direct modification of the depMaps array |
||
| 762 | //would affect that config. |
||
| 763 | this.depMaps = depMaps && depMaps.slice(0); |
||
| 764 | |||
| 765 | this.errback = errback; |
||
| 766 | |||
| 767 | //Indicate this module has be initialized |
||
| 768 | this.inited = true; |
||
| 769 | |||
| 770 | this.ignore = options.ignore; |
||
| 771 | |||
| 772 | //Could have option to init this module in enabled mode, |
||
| 773 | //or could have been previously marked as enabled. However, |
||
| 774 | //the dependencies are not known until init is called. So |
||
| 775 | //if enabled previously, now trigger dependencies as enabled. |
||
| 776 | if (options.enabled || this.enabled) { |
||
| 777 | //Enable this module and dependencies. |
||
| 778 | //Will call this.check() |
||
| 779 | this.enable(); |
||
| 780 | } else { |
||
| 781 | this.check(); |
||
| 782 | } |
||
| 783 | }, |
||
| 784 | |||
| 785 | defineDep: function (i, depExports) { |
||
| 786 | //Because of cycles, defined callback for a given |
||
| 787 | //export can be called more than once. |
||
| 788 | if (!this.depMatched[i]) { |
||
| 789 | this.depMatched[i] = true; |
||
| 790 | this.depCount -= 1; |
||
| 791 | this.depExports[i] = depExports; |
||
| 792 | } |
||
| 793 | }, |
||
| 794 | |||
| 795 | fetch: function () { |
||
| 796 | if (this.fetched) { |
||
| 797 | return; |
||
| 798 | } |
||
| 799 | this.fetched = true; |
||
| 800 | |||
| 801 | context.startTime = (new Date()).getTime(); |
||
| 802 | |||
| 803 | var map = this.map; |
||
| 804 | |||
| 805 | //If the manager is for a plugin managed resource, |
||
| 806 | //ask the plugin to load it now. |
||
| 807 | if (this.shim) { |
||
| 808 | context.makeRequire(this.map, { |
||
| 809 | enableBuildCallback: true |
||
| 810 | })(this.shim.deps || [], bind(this, function () { |
||
| 811 | return map.prefix ? this.callPlugin() : this.load(); |
||
| 812 | })); |
||
| 813 | } else { |
||
| 814 | //Regular dependency. |
||
| 815 | return map.prefix ? this.callPlugin() : this.load(); |
||
| 816 | } |
||
| 817 | }, |
||
| 818 | |||
| 819 | load: function () { |
||
| 820 | var url = this.map.url; |
||
| 821 | |||
| 822 | //Regular dependency. |
||
| 823 | if (!urlFetched[url]) { |
||
| 824 | urlFetched[url] = true; |
||
| 825 | context.load(this.map.id, url); |
||
| 826 | } |
||
| 827 | }, |
||
| 828 | |||
| 829 | /** |
||
| 830 | * Checks if the module is ready to define itself, and if so, |
||
| 831 | * define it. |
||
| 832 | */ |
||
| 833 | check: function () { |
||
| 834 | if (!this.enabled || this.enabling) { |
||
| 835 | return; |
||
| 836 | } |
||
| 837 | |||
| 838 | var err, cjsModule, |
||
| 839 | id = this.map.id, |
||
| 840 | depExports = this.depExports, |
||
| 841 | exports = this.exports, |
||
| 842 | factory = this.factory; |
||
| 843 | |||
| 844 | if (!this.inited) { |
||
| 845 | this.fetch(); |
||
| 846 | } else if (this.error) { |
||
| 847 | this.emit('error', this.error); |
||
| 848 | } else if (!this.defining) { |
||
| 849 | //The factory could trigger another require call |
||
| 850 | //that would result in checking this module to |
||
| 851 | //define itself again. If already in the process |
||
| 852 | //of doing that, skip this work. |
||
| 853 | this.defining = true; |
||
| 854 | |||
| 855 | if (this.depCount < 1 && !this.defined) { |
||
| 856 | if (isFunction(factory)) { |
||
| 857 | //If there is an error listener, favor passing |
||
| 858 | //to that instead of throwing an error. However, |
||
| 859 | //only do it for define()'d modules. require |
||
| 860 | //errbacks should not be called for failures in |
||
| 861 | //their callbacks (#699). However if a global |
||
| 862 | //onError is set, use that. |
||
| 863 | if ((this.events.error && this.map.isDefine) || |
||
| 864 | req.onError !== defaultOnError) { |
||
| 865 | try { |
||
| 866 | exports = context.execCb(id, factory, depExports, exports); |
||
| 867 | } catch (e) { |
||
| 868 | err = e; |
||
| 869 | } |
||
| 870 | } else { |
||
| 871 | exports = context.execCb(id, factory, depExports, exports); |
||
| 872 | } |
||
| 873 | |||
| 874 | if (this.map.isDefine) { |
||
| 875 | //If setting exports via 'module' is in play, |
||
| 876 | //favor that over return value and exports. After that, |
||
| 877 | //favor a non-undefined return value over exports use. |
||
| 878 | cjsModule = this.module; |
||
| 879 | if (cjsModule && |
||
| 880 | cjsModule.exports !== undefined && |
||
| 881 | //Make sure it is not already the exports value |
||
| 882 | cjsModule.exports !== this.exports) { |
||
| 883 | exports = cjsModule.exports; |
||
| 884 | } else if (exports === undefined && this.usingExports) { |
||
| 885 | //exports already set the defined value. |
||
| 886 | exports = this.exports; |
||
| 887 | } |
||
| 888 | } |
||
| 889 | |||
| 890 | if (err) { |
||
| 891 | err.requireMap = this.map; |
||
| 892 | err.requireModules = this.map.isDefine ? [this.map.id] : null; |
||
| 893 | err.requireType = this.map.isDefine ? 'define' : 'require'; |
||
| 894 | return onError((this.error = err)); |
||
| 895 | } |
||
| 896 | |||
| 897 | } else { |
||
| 898 | //Just a literal value |
||
| 899 | exports = factory; |
||
| 900 | } |
||
| 901 | |||
| 902 | this.exports = exports; |
||
| 903 | |||
| 904 | if (this.map.isDefine && !this.ignore) { |
||
| 905 | defined[id] = exports; |
||
| 906 | |||
| 907 | if (req.onResourceLoad) { |
||
| 908 | req.onResourceLoad(context, this.map, this.depMaps); |
||
| 909 | } |
||
| 910 | } |
||
| 911 | |||
| 912 | //Clean up |
||
| 913 | cleanRegistry(id); |
||
| 914 | |||
| 915 | this.defined = true; |
||
| 916 | } |
||
| 917 | |||
| 918 | //Finished the define stage. Allow calling check again |
||
| 919 | //to allow define notifications below in the case of a |
||
| 920 | //cycle. |
||
| 921 | this.defining = false; |
||
| 922 | |||
| 923 | if (this.defined && !this.defineEmitted) { |
||
| 924 | this.defineEmitted = true; |
||
| 925 | this.emit('defined', this.exports); |
||
| 926 | this.defineEmitComplete = true; |
||
| 927 | } |
||
| 928 | |||
| 929 | } |
||
| 930 | }, |
||
| 931 | |||
| 932 | callPlugin: function () { |
||
| 933 | var map = this.map, |
||
| 934 | id = map.id, |
||
| 935 | //Map already normalized the prefix. |
||
| 936 | pluginMap = makeModuleMap(map.prefix); |
||
| 937 | |||
| 938 | //Mark this as a dependency for this plugin, so it |
||
| 939 | //can be traced for cycles. |
||
| 940 | this.depMaps.push(pluginMap); |
||
| 941 | |||
| 942 | on(pluginMap, 'defined', bind(this, function (plugin) { |
||
| 943 | var load, normalizedMap, normalizedMod, |
||
| 944 | name = this.map.name, |
||
| 945 | parentName = this.map.parentMap ? this.map.parentMap.name : null, |
||
| 946 | localRequire = context.makeRequire(map.parentMap, { |
||
| 947 | enableBuildCallback: true |
||
| 948 | }); |
||
| 949 | |||
| 950 | //If current map is not normalized, wait for that |
||
| 951 | //normalized name to load instead of continuing. |
||
| 952 | if (this.map.unnormalized) { |
||
| 953 | //Normalize the ID if the plugin allows it. |
||
| 954 | if (plugin.normalize) { |
||
| 955 | name = plugin.normalize(name, function (name) { |
||
| 956 | return normalize(name, parentName, true); |
||
| 957 | }) || ''; |
||
| 958 | } |
||
| 959 | |||
| 960 | //prefix and name should already be normalized, no need |
||
| 961 | //for applying map config again either. |
||
| 962 | normalizedMap = makeModuleMap(map.prefix + '!' + name, |
||
| 963 | this.map.parentMap); |
||
| 964 | on(normalizedMap, |
||
| 965 | 'defined', bind(this, function (value) { |
||
| 966 | this.init([], function () { return value; }, null, { |
||
| 967 | enabled: true, |
||
| 968 | ignore: true |
||
| 969 | }); |
||
| 970 | })); |
||
| 971 | |||
| 972 | normalizedMod = getOwn(registry, normalizedMap.id); |
||
| 973 | if (normalizedMod) { |
||
| 974 | //Mark this as a dependency for this plugin, so it |
||
| 975 | //can be traced for cycles. |
||
| 976 | this.depMaps.push(normalizedMap); |
||
| 977 | |||
| 978 | if (this.events.error) { |
||
| 979 | normalizedMod.on('error', bind(this, function (err) { |
||
| 980 | this.emit('error', err); |
||
| 981 | })); |
||
| 982 | } |
||
| 983 | normalizedMod.enable(); |
||
| 984 | } |
||
| 985 | |||
| 986 | return; |
||
| 987 | } |
||
| 988 | |||
| 989 | load = bind(this, function (value) { |
||
| 990 | this.init([], function () { return value; }, null, { |
||
| 991 | enabled: true |
||
| 992 | }); |
||
| 993 | }); |
||
| 994 | |||
| 995 | load.error = bind(this, function (err) { |
||
| 996 | this.inited = true; |
||
| 997 | this.error = err; |
||
| 998 | err.requireModules = [id]; |
||
| 999 | |||
| 1000 | //Remove temp unnormalized modules for this module, |
||
| 1001 | //since they will never be resolved otherwise now. |
||
| 1002 | eachProp(registry, function (mod) { |
||
| 1003 | if (mod.map.id.indexOf(id + '_unnormalized') === 0) { |
||
| 1004 | cleanRegistry(mod.map.id); |
||
| 1005 | } |
||
| 1006 | }); |
||
| 1007 | |||
| 1008 | onError(err); |
||
| 1009 | }); |
||
| 1010 | |||
| 1011 | //Allow plugins to load other code without having to know the |
||
| 1012 | //context or how to 'complete' the load. |
||
| 1013 | load.fromText = bind(this, function (text, textAlt) { |
||
| 1014 | /*jslint evil: true */ |
||
| 1015 | var moduleName = map.name, |
||
| 1016 | moduleMap = makeModuleMap(moduleName), |
||
| 1017 | hasInteractive = useInteractive; |
||
| 1018 | |||
| 1019 | //As of 2.1.0, support just passing the text, to reinforce |
||
| 1020 | //fromText only being called once per resource. Still |
||
| 1021 | //support old style of passing moduleName but discard |
||
| 1022 | //that moduleName in favor of the internal ref. |
||
| 1023 | if (textAlt) { |
||
| 1024 | text = textAlt; |
||
| 1025 | } |
||
| 1026 | |||
| 1027 | //Turn off interactive script matching for IE for any define |
||
| 1028 | //calls in the text, then turn it back on at the end. |
||
| 1029 | if (hasInteractive) { |
||
| 1030 | useInteractive = false; |
||
| 1031 | } |
||
| 1032 | |||
| 1033 | //Prime the system by creating a module instance for |
||
| 1034 | //it. |
||
| 1035 | getModule(moduleMap); |
||
| 1036 | |||
| 1037 | //Transfer any config to this other module. |
||
| 1038 | if (hasProp(config.config, id)) { |
||
| 1039 | config.config[moduleName] = config.config[id]; |
||
| 1040 | } |
||
| 1041 | |||
| 1042 | try { |
||
| 1043 | req.exec(text); |
||
| 1044 | } catch (e) { |
||
| 1045 | return onError(makeError('fromtexteval', |
||
| 1046 | 'fromText eval for ' + id + |
||
| 1047 | ' failed: ' + e, |
||
| 1048 | e, |
||
| 1049 | [id])); |
||
| 1050 | } |
||
| 1051 | |||
| 1052 | if (hasInteractive) { |
||
| 1053 | useInteractive = true; |
||
| 1054 | } |
||
| 1055 | |||
| 1056 | //Mark this as a dependency for the plugin |
||
| 1057 | //resource |
||
| 1058 | this.depMaps.push(moduleMap); |
||
| 1059 | |||
| 1060 | //Support anonymous modules. |
||
| 1061 | context.completeLoad(moduleName); |
||
| 1062 | |||
| 1063 | //Bind the value of that module to the value for this |
||
| 1064 | //resource ID. |
||
| 1065 | localRequire([moduleName], load); |
||
| 1066 | }); |
||
| 1067 | |||
| 1068 | //Use parentName here since the plugin's name is not reliable, |
||
| 1069 | //could be some weird string with no path that actually wants to |
||
| 1070 | //reference the parentName's path. |
||
| 1071 | plugin.load(map.name, localRequire, load, config); |
||
| 1072 | })); |
||
| 1073 | |||
| 1074 | context.enable(pluginMap, this); |
||
| 1075 | this.pluginMaps[pluginMap.id] = pluginMap; |
||
| 1076 | }, |
||
| 1077 | |||
| 1078 | enable: function () { |
||
| 1079 | enabledRegistry[this.map.id] = this; |
||
| 1080 | this.enabled = true; |
||
| 1081 | |||
| 1082 | //Set flag mentioning that the module is enabling, |
||
| 1083 | //so that immediate calls to the defined callbacks |
||
| 1084 | //for dependencies do not trigger inadvertent load |
||
| 1085 | //with the depCount still being zero. |
||
| 1086 | this.enabling = true; |
||
| 1087 | |||
| 1088 | //Enable each dependency |
||
| 1089 | each(this.depMaps, bind(this, function (depMap, i) { |
||
| 1090 | var id, mod, handler; |
||
| 1091 | |||
| 1092 | if (typeof depMap === 'string') { |
||
| 1093 | //Dependency needs to be converted to a depMap |
||
| 1094 | //and wired up to this module. |
||
| 1095 | depMap = makeModuleMap(depMap, |
||
| 1096 | (this.map.isDefine ? this.map : this.map.parentMap), |
||
| 1097 | false, |
||
| 1098 | !this.skipMap); |
||
| 1099 | this.depMaps[i] = depMap; |
||
| 1100 | |||
| 1101 | handler = getOwn(handlers, depMap.id); |
||
| 1102 | |||
| 1103 | if (handler) { |
||
| 1104 | this.depExports[i] = handler(this); |
||
| 1105 | return; |
||
| 1106 | } |
||
| 1107 | |||
| 1108 | this.depCount += 1; |
||
| 1109 | |||
| 1110 | on(depMap, 'defined', bind(this, function (depExports) { |
||
| 1111 | this.defineDep(i, depExports); |
||
| 1112 | this.check(); |
||
| 1113 | })); |
||
| 1114 | |||
| 1115 | if (this.errback) { |
||
| 1116 | on(depMap, 'error', bind(this, this.errback)); |
||
| 1117 | } |
||
| 1118 | } |
||
| 1119 | |||
| 1120 | id = depMap.id; |
||
| 1121 | mod = registry[id]; |
||
| 1122 | |||
| 1123 | //Skip special modules like 'require', 'exports', 'module' |
||
| 1124 | //Also, don't call enable if it is already enabled, |
||
| 1125 | //important in circular dependency cases. |
||
| 1126 | if (!hasProp(handlers, id) && mod && !mod.enabled) { |
||
| 1127 | context.enable(depMap, this); |
||
| 1128 | } |
||
| 1129 | })); |
||
| 1130 | |||
| 1131 | //Enable each plugin that is used in |
||
| 1132 | //a dependency |
||
| 1133 | eachProp(this.pluginMaps, bind(this, function (pluginMap) { |
||
| 1134 | var mod = getOwn(registry, pluginMap.id); |
||
| 1135 | if (mod && !mod.enabled) { |
||
| 1136 | context.enable(pluginMap, this); |
||
| 1137 | } |
||
| 1138 | })); |
||
| 1139 | |||
| 1140 | this.enabling = false; |
||
| 1141 | |||
| 1142 | this.check(); |
||
| 1143 | }, |
||
| 1144 | |||
| 1145 | on: function (name, cb) { |
||
| 1146 | var cbs = this.events[name]; |
||
| 1147 | if (!cbs) { |
||
| 1148 | cbs = this.events[name] = []; |
||
| 1149 | } |
||
| 1150 | cbs.push(cb); |
||
| 1151 | }, |
||
| 1152 | |||
| 1153 | emit: function (name, evt) { |
||
| 1154 | each(this.events[name], function (cb) { |
||
| 1155 | cb(evt); |
||
| 1156 | }); |
||
| 1157 | if (name === 'error') { |
||
| 1158 | //Now that the error handler was triggered, remove |
||
| 1159 | //the listeners, since this broken Module instance |
||
| 1160 | //can stay around for a while in the registry. |
||
| 1161 | delete this.events[name]; |
||
| 1162 | } |
||
| 1163 | } |
||
| 1164 | }; |
||
| 1165 | |||
| 1166 | function callGetModule(args) { |
||
| 1167 | //Skip modules already defined. |
||
| 1168 | if (!hasProp(defined, args[0])) { |
||
| 1169 | getModule(makeModuleMap(args[0], null, true)).init(args[1], args[2]); |
||
| 1170 | } |
||
| 1171 | } |
||
| 1172 | |||
| 1173 | function removeListener(node, func, name, ieName) { |
||
| 1174 | //Favor detachEvent because of IE9 |
||
| 1175 | //issue, see attachEvent/addEventListener comment elsewhere |
||
| 1176 | //in this file. |
||
| 1177 | if (node.detachEvent && !isOpera) { |
||
| 1178 | //Probably IE. If not it will throw an error, which will be |
||
| 1179 | //useful to know. |
||
| 1180 | if (ieName) { |
||
| 1181 | node.detachEvent(ieName, func); |
||
| 1182 | } |
||
| 1183 | } else { |
||
| 1184 | node.removeEventListener(name, func, false); |
||
| 1185 | } |
||
| 1186 | } |
||
| 1187 | |||
| 1188 | /** |
||
| 1189 | * Given an event from a script node, get the requirejs info from it, |
||
| 1190 | * and then removes the event listeners on the node. |
||
| 1191 | * @param {Event} evt |
||
| 1192 | * @returns {Object} |
||
| 1193 | */ |
||
| 1194 | function getScriptData(evt) { |
||
| 1195 | //Using currentTarget instead of target for Firefox 2.0's sake. Not |
||
| 1196 | //all old browsers will be supported, but this one was easy enough |
||
| 1197 | //to support and still makes sense. |
||
| 1198 | var node = evt.currentTarget || evt.srcElement; |
||
| 1199 | |||
| 1200 | //Remove the listeners once here. |
||
| 1201 | removeListener(node, context.onScriptLoad, 'load', 'onreadystatechange'); |
||
| 1202 | removeListener(node, context.onScriptError, 'error'); |
||
| 1203 | |||
| 1204 | return { |
||
| 1205 | node: node, |
||
| 1206 | id: node && node.getAttribute('data-requiremodule') |
||
| 1207 | }; |
||
| 1208 | } |
||
| 1209 | |||
| 1210 | function intakeDefines() { |
||
| 1211 | var args; |
||
| 1212 | |||
| 1213 | //Any defined modules in the global queue, intake them now. |
||
| 1214 | takeGlobalQueue(); |
||
| 1215 | |||
| 1216 | //Make sure any remaining defQueue items get properly processed. |
||
| 1217 | while (defQueue.length) { |
||
| 1218 | args = defQueue.shift(); |
||
| 1219 | if (args[0] === null) { |
||
| 1220 | return onError(makeError('mismatch', 'Mismatched anonymous define() module: ' + args[args.length - 1])); |
||
| 1221 | } else { |
||
| 1222 | //args are id, deps, factory. Should be normalized by the |
||
| 1223 | //define() function. |
||
| 1224 | callGetModule(args); |
||
| 1225 | } |
||
| 1226 | } |
||
| 1227 | } |
||
| 1228 | |||
| 1229 | context = { |
||
| 1230 | config: config, |
||
| 1231 | contextName: contextName, |
||
| 1232 | registry: registry, |
||
| 1233 | defined: defined, |
||
| 1234 | urlFetched: urlFetched, |
||
| 1235 | defQueue: defQueue, |
||
| 1236 | Module: Module, |
||
| 1237 | makeModuleMap: makeModuleMap, |
||
| 1238 | nextTick: req.nextTick, |
||
| 1239 | onError: onError, |
||
| 1240 | |||
| 1241 | /** |
||
| 1242 | * Set a configuration for the context. |
||
| 1243 | * @param {Object} cfg config object to integrate. |
||
| 1244 | */ |
||
| 1245 | configure: function (cfg) { |
||
| 1246 | //Make sure the baseUrl ends in a slash. |
||
| 1247 | if (cfg.baseUrl) { |
||
| 1248 | if (cfg.baseUrl.charAt(cfg.baseUrl.length - 1) !== '/') { |
||
| 1249 | cfg.baseUrl += '/'; |
||
| 1250 | } |
||
| 1251 | } |
||
| 1252 | |||
| 1253 | //Save off the paths and packages since they require special processing, |
||
| 1254 | //they are additive. |
||
| 1255 | var pkgs = config.pkgs, |
||
| 1256 | shim = config.shim, |
||
| 1257 | objs = { |
||
| 1258 | paths: true, |
||
| 1259 | config: true, |
||
| 1260 | map: true |
||
| 1261 | }; |
||
| 1262 | |||
| 1263 | eachProp(cfg, function (value, prop) { |
||
| 1264 | if (objs[prop]) { |
||
| 1265 | if (prop === 'map') { |
||
| 1266 | if (!config.map) { |
||
| 1267 | config.map = {}; |
||
| 1268 | } |
||
| 1269 | mixin(config[prop], value, true, true); |
||
| 1270 | } else { |
||
| 1271 | mixin(config[prop], value, true); |
||
| 1272 | } |
||
| 1273 | } else { |
||
| 1274 | config[prop] = value; |
||
| 1275 | } |
||
| 1276 | }); |
||
| 1277 | |||
| 1278 | //Merge shim |
||
| 1279 | if (cfg.shim) { |
||
| 1280 | eachProp(cfg.shim, function (value, id) { |
||
| 1281 | //Normalize the structure |
||
| 1282 | if (isArray(value)) { |
||
| 1283 | value = { |
||
| 1284 | deps: value |
||
| 1285 | }; |
||
| 1286 | } |
||
| 1287 | if ((value.exports || value.init) && !value.exportsFn) { |
||
| 1288 | value.exportsFn = context.makeShimExports(value); |
||
| 1289 | } |
||
| 1290 | shim[id] = value; |
||
| 1291 | }); |
||
| 1292 | config.shim = shim; |
||
| 1293 | } |
||
| 1294 | |||
| 1295 | //Adjust packages if necessary. |
||
| 1296 | if (cfg.packages) { |
||
| 1297 | each(cfg.packages, function (pkgObj) { |
||
| 1298 | var location; |
||
| 1299 | |||
| 1300 | pkgObj = typeof pkgObj === 'string' ? { name: pkgObj } : pkgObj; |
||
| 1301 | location = pkgObj.location; |
||
| 1302 | |||
| 1303 | //Create a brand new object on pkgs, since currentPackages can |
||
| 1304 | //be passed in again, and config.pkgs is the internal transformed |
||
| 1305 | //state for all package configs. |
||
| 1306 | pkgs[pkgObj.name] = { |
||
| 1307 | name: pkgObj.name, |
||
| 1308 | location: location || pkgObj.name, |
||
| 1309 | //Remove leading dot in main, so main paths are normalized, |
||
| 1310 | //and remove any trailing .js, since different package |
||
| 1311 | //envs have different conventions: some use a module name, |
||
| 1312 | //some use a file name. |
||
| 1313 | main: (pkgObj.main || 'main') |
||
| 1314 | .replace(currDirRegExp, '') |
||
| 1315 | .replace(jsSuffixRegExp, '') |
||
| 1316 | }; |
||
| 1317 | }); |
||
| 1318 | |||
| 1319 | //Done with modifications, assing packages back to context config |
||
| 1320 | config.pkgs = pkgs; |
||
| 1321 | } |
||
| 1322 | |||
| 1323 | //If there are any "waiting to execute" modules in the registry, |
||
| 1324 | //update the maps for them, since their info, like URLs to load, |
||
| 1325 | //may have changed. |
||
| 1326 | eachProp(registry, function (mod, id) { |
||
| 1327 | //If module already has init called, since it is too |
||
| 1328 | //late to modify them, and ignore unnormalized ones |
||
| 1329 | //since they are transient. |
||
| 1330 | if (!mod.inited && !mod.map.unnormalized) { |
||
| 1331 | mod.map = makeModuleMap(id); |
||
| 1332 | } |
||
| 1333 | }); |
||
| 1334 | |||
| 1335 | //If a deps array or a config callback is specified, then call |
||
| 1336 | //require with those args. This is useful when require is defined as a |
||
| 1337 | //config object before require.js is loaded. |
||
| 1338 | if (cfg.deps || cfg.callback) { |
||
| 1339 | context.require(cfg.deps || [], cfg.callback); |
||
| 1340 | } |
||
| 1341 | }, |
||
| 1342 | |||
| 1343 | makeShimExports: function (value) { |
||
| 1344 | function fn() { |
||
| 1345 | var ret; |
||
| 1346 | if (value.init) { |
||
| 1347 | ret = value.init.apply(global, arguments); |
||
| 1348 | } |
||
| 1349 | return ret || (value.exports && getGlobal(value.exports)); |
||
| 1350 | } |
||
| 1351 | return fn; |
||
| 1352 | }, |
||
| 1353 | |||
| 1354 | makeRequire: function (relMap, options) { |
||
| 1355 | options = options || {}; |
||
| 1356 | |||
| 1357 | function localRequire(deps, callback, errback) { |
||
| 1358 | var id, map, requireMod; |
||
| 1359 | |||
| 1360 | if (options.enableBuildCallback && callback && isFunction(callback)) { |
||
| 1361 | callback.__requireJsBuild = true; |
||
| 1362 | } |
||
| 1363 | |||
| 1364 | if (typeof deps === 'string') { |
||
| 1365 | if (isFunction(callback)) { |
||
| 1366 | //Invalid call |
||
| 1367 | return onError(makeError('requireargs', 'Invalid require call'), errback); |
||
| 1368 | } |
||
| 1369 | |||
| 1370 | //If require|exports|module are requested, get the |
||
| 1371 | //value for them from the special handlers. Caveat: |
||
| 1372 | //this only works while module is being defined. |
||
| 1373 | if (relMap && hasProp(handlers, deps)) { |
||
| 1374 | return handlers[deps](registry[relMap.id]); |
||
| 1375 | } |
||
| 1376 | |||
| 1377 | //Synchronous access to one module. If require.get is |
||
| 1378 | //available (as in the Node adapter), prefer that. |
||
| 1379 | if (req.get) { |
||
| 1380 | return req.get(context, deps, relMap, localRequire); |
||
| 1381 | } |
||
| 1382 | |||
| 1383 | //Normalize module name, if it contains . or .. |
||
| 1384 | map = makeModuleMap(deps, relMap, false, true); |
||
| 1385 | id = map.id; |
||
| 1386 | |||
| 1387 | if (!hasProp(defined, id)) { |
||
| 1388 | return onError(makeError('notloaded', 'Module name "' + |
||
| 1389 | id + |
||
| 1390 | '" has not been loaded yet for context: ' + |
||
| 1391 | contextName + |
||
| 1392 | (relMap ? '' : '. Use require([])'))); |
||
| 1393 | } |
||
| 1394 | return defined[id]; |
||
| 1395 | } |
||
| 1396 | |||
| 1397 | //Grab defines waiting in the global queue. |
||
| 1398 | intakeDefines(); |
||
| 1399 | |||
| 1400 | //Mark all the dependencies as needing to be loaded. |
||
| 1401 | context.nextTick(function () { |
||
| 1402 | //Some defines could have been added since the |
||
| 1403 | //require call, collect them. |
||
| 1404 | intakeDefines(); |
||
| 1405 | |||
| 1406 | requireMod = getModule(makeModuleMap(null, relMap)); |
||
| 1407 | |||
| 1408 | //Store if map config should be applied to this require |
||
| 1409 | //call for dependencies. |
||
| 1410 | requireMod.skipMap = options.skipMap; |
||
| 1411 | |||
| 1412 | requireMod.init(deps, callback, errback, { |
||
| 1413 | enabled: true |
||
| 1414 | }); |
||
| 1415 | |||
| 1416 | checkLoaded(); |
||
| 1417 | }); |
||
| 1418 | |||
| 1419 | return localRequire; |
||
| 1420 | } |
||
| 1421 | |||
| 1422 | mixin(localRequire, { |
||
| 1423 | isBrowser: isBrowser, |
||
| 1424 | |||
| 1425 | /** |
||
| 1426 | * Converts a module name + .extension into an URL path. |
||
| 1427 | * *Requires* the use of a module name. It does not support using |
||
| 1428 | * plain URLs like nameToUrl. |
||
| 1429 | */ |
||
| 1430 | toUrl: function (moduleNamePlusExt) { |
||
| 1431 | var ext, |
||
| 1432 | index = moduleNamePlusExt.lastIndexOf('.'), |
||
| 1433 | segment = moduleNamePlusExt.split('/')[0], |
||
| 1434 | isRelative = segment === '.' || segment === '..'; |
||
| 1435 | |||
| 1436 | //Have a file extension alias, and it is not the |
||
| 1437 | //dots from a relative path. |
||
| 1438 | if (index !== -1 && (!isRelative || index > 1)) { |
||
| 1439 | ext = moduleNamePlusExt.substring(index, moduleNamePlusExt.length); |
||
| 1440 | moduleNamePlusExt = moduleNamePlusExt.substring(0, index); |
||
| 1441 | } |
||
| 1442 | |||
| 1443 | return context.nameToUrl(normalize(moduleNamePlusExt, |
||
| 1444 | relMap && relMap.id, true), ext, true); |
||
| 1445 | }, |
||
| 1446 | |||
| 1447 | defined: function (id) { |
||
| 1448 | return hasProp(defined, makeModuleMap(id, relMap, false, true).id); |
||
| 1449 | }, |
||
| 1450 | |||
| 1451 | specified: function (id) { |
||
| 1452 | id = makeModuleMap(id, relMap, false, true).id; |
||
| 1453 | return hasProp(defined, id) || hasProp(registry, id); |
||
| 1454 | } |
||
| 1455 | }); |
||
| 1456 | |||
| 1457 | //Only allow undef on top level require calls |
||
| 1458 | if (!relMap) { |
||
| 1459 | localRequire.undef = function (id) { |
||
| 1460 | //Bind any waiting define() calls to this context, |
||
| 1461 | //fix for #408 |
||
| 1462 | takeGlobalQueue(); |
||
| 1463 | |||
| 1464 | var map = makeModuleMap(id, relMap, true), |
||
| 1465 | mod = getOwn(registry, id); |
||
| 1466 | |||
| 1467 | delete defined[id]; |
||
| 1468 | delete urlFetched[map.url]; |
||
| 1469 | delete undefEvents[id]; |
||
| 1470 | |||
| 1471 | if (mod) { |
||
| 1472 | //Hold on to listeners in case the |
||
| 1473 | //module will be attempted to be reloaded |
||
| 1474 | //using a different config. |
||
| 1475 | if (mod.events.defined) { |
||
| 1476 | undefEvents[id] = mod.events; |
||
| 1477 | } |
||
| 1478 | |||
| 1479 | cleanRegistry(id); |
||
| 1480 | } |
||
| 1481 | }; |
||
| 1482 | } |
||
| 1483 | |||
| 1484 | return localRequire; |
||
| 1485 | }, |
||
| 1486 | |||
| 1487 | /** |
||
| 1488 | * Called to enable a module if it is still in the registry |
||
| 1489 | * awaiting enablement. A second arg, parent, the parent module, |
||
| 1490 | * is passed in for context, when this method is overriden by |
||
| 1491 | * the optimizer. Not shown here to keep code compact. |
||
| 1492 | */ |
||
| 1493 | enable: function (depMap) { |
||
| 1494 | var mod = getOwn(registry, depMap.id); |
||
| 1495 | if (mod) { |
||
| 1496 | getModule(depMap).enable(); |
||
| 1497 | } |
||
| 1498 | }, |
||
| 1499 | |||
| 1500 | /** |
||
| 1501 | * Internal method used by environment adapters to complete a load event. |
||
| 1502 | * A load event could be a script load or just a load pass from a synchronous |
||
| 1503 | * load call. |
||
| 1504 | * @param {String} moduleName the name of the module to potentially complete. |
||
| 1505 | */ |
||
| 1506 | completeLoad: function (moduleName) { |
||
| 1507 | var found, args, mod, |
||
| 1508 | shim = getOwn(config.shim, moduleName) || {}, |
||
| 1509 | shExports = shim.exports; |
||
| 1510 | |||
| 1511 | takeGlobalQueue(); |
||
| 1512 | |||
| 1513 | while (defQueue.length) { |
||
| 1514 | args = defQueue.shift(); |
||
| 1515 | if (args[0] === null) { |
||
| 1516 | args[0] = moduleName; |
||
| 1517 | //If already found an anonymous module and bound it |
||
| 1518 | //to this name, then this is some other anon module |
||
| 1519 | //waiting for its completeLoad to fire. |
||
| 1520 | if (found) { |
||
| 1521 | break; |
||
| 1522 | } |
||
| 1523 | found = true; |
||
| 1524 | } else if (args[0] === moduleName) { |
||
| 1525 | //Found matching define call for this script! |
||
| 1526 | found = true; |
||
| 1527 | } |
||
| 1528 | |||
| 1529 | callGetModule(args); |
||
| 1530 | } |
||
| 1531 | |||
| 1532 | //Do this after the cycle of callGetModule in case the result |
||
| 1533 | //of those calls/init calls changes the registry. |
||
| 1534 | mod = getOwn(registry, moduleName); |
||
| 1535 | |||
| 1536 | if (!found && !hasProp(defined, moduleName) && mod && !mod.inited) { |
||
| 1537 | if (config.enforceDefine && (!shExports || !getGlobal(shExports))) { |
||
| 1538 | if (hasPathFallback(moduleName)) { |
||
| 1539 | return; |
||
| 1540 | } else { |
||
| 1541 | return onError(makeError('nodefine', |
||
| 1542 | 'No define call for ' + moduleName, |
||
| 1543 | null, |
||
| 1544 | [moduleName])); |
||
| 1545 | } |
||
| 1546 | } else { |
||
| 1547 | //A script that does not call define(), so just simulate |
||
| 1548 | //the call for it. |
||
| 1549 | callGetModule([moduleName, (shim.deps || []), shim.exportsFn]); |
||
| 1550 | } |
||
| 1551 | } |
||
| 1552 | |||
| 1553 | checkLoaded(); |
||
| 1554 | }, |
||
| 1555 | |||
| 1556 | /** |
||
| 1557 | * Converts a module name to a file path. Supports cases where |
||
| 1558 | * moduleName may actually be just an URL. |
||
| 1559 | * Note that it **does not** call normalize on the moduleName, |
||
| 1560 | * it is assumed to have already been normalized. This is an |
||
| 1561 | * internal API, not a public one. Use toUrl for the public API. |
||
| 1562 | */ |
||
| 1563 | nameToUrl: function (moduleName, ext, skipExt) { |
||
| 1564 | var paths, pkgs, pkg, pkgPath, syms, i, parentModule, url, |
||
| 1565 | parentPath; |
||
| 1566 | |||
| 1567 | //If a colon is in the URL, it indicates a protocol is used and it is just |
||
| 1568 | //an URL to a file, or if it starts with a slash, contains a query arg (i.e. ?) |
||
| 1569 | //or ends with .js, then assume the user meant to use an url and not a module id. |
||
| 1570 | //The slash is important for protocol-less URLs as well as full paths. |
||
| 1571 | if (req.jsExtRegExp.test(moduleName)) { |
||
| 1572 | //Just a plain path, not module name lookup, so just return it. |
||
| 1573 | //Add extension if it is included. This is a bit wonky, only non-.js things pass |
||
| 1574 | //an extension, this method probably needs to be reworked. |
||
| 1575 | url = moduleName + (ext || ''); |
||
| 1576 | } else { |
||
| 1577 | //A module that needs to be converted to a path. |
||
| 1578 | paths = config.paths; |
||
| 1579 | pkgs = config.pkgs; |
||
| 1580 | |||
| 1581 | syms = moduleName.split('/'); |
||
| 1582 | //For each module name segment, see if there is a path |
||
| 1583 | //registered for it. Start with most specific name |
||
| 1584 | //and work up from it. |
||
| 1585 | for (i = syms.length; i > 0; i -= 1) { |
||
| 1586 | parentModule = syms.slice(0, i).join('/'); |
||
| 1587 | pkg = getOwn(pkgs, parentModule); |
||
| 1588 | parentPath = getOwn(paths, parentModule); |
||
| 1589 | if (parentPath) { |
||
| 1590 | //If an array, it means there are a few choices, |
||
| 1591 | //Choose the one that is desired |
||
| 1592 | if (isArray(parentPath)) { |
||
| 1593 | parentPath = parentPath[0]; |
||
| 1594 | } |
||
| 1595 | syms.splice(0, i, parentPath); |
||
| 1596 | break; |
||
| 1597 | } else if (pkg) { |
||
| 1598 | //If module name is just the package name, then looking |
||
| 1599 | //for the main module. |
||
| 1600 | if (moduleName === pkg.name) { |
||
| 1601 | pkgPath = pkg.location + '/' + pkg.main; |
||
| 1602 | } else { |
||
| 1603 | pkgPath = pkg.location; |
||
| 1604 | } |
||
| 1605 | syms.splice(0, i, pkgPath); |
||
| 1606 | break; |
||
| 1607 | } |
||
| 1608 | } |
||
| 1609 | |||
| 1610 | //Join the path parts together, then figure out if baseUrl is needed. |
||
| 1611 | url = syms.join('/'); |
||
| 1612 | url += (ext || (/\?/.test(url) || skipExt ? '' : '.js')); |
||
| 1613 | url = (url.charAt(0) === '/' || url.match(/^[\w\+\.\-]+:/) ? '' : config.baseUrl) + url; |
||
| 1614 | } |
||
| 1615 | |||
| 1616 | return config.urlArgs ? url + |
||
| 1617 | ((url.indexOf('?') === -1 ? '?' : '&') + |
||
| 1618 | config.urlArgs) : url; |
||
| 1619 | }, |
||
| 1620 | |||
| 1621 | //Delegates to req.load. Broken out as a separate function to |
||
| 1622 | //allow overriding in the optimizer. |
||
| 1623 | load: function (id, url) { |
||
| 1624 | req.load(context, id, url); |
||
| 1625 | }, |
||
| 1626 | |||
| 1627 | /** |
||
| 1628 | * Executes a module callback function. Broken out as a separate function |
||
| 1629 | * solely to allow the build system to sequence the files in the built |
||
| 1630 | * layer in the right sequence. |
||
| 1631 | * |
||
| 1632 | * @private |
||
| 1633 | */ |
||
| 1634 | execCb: function (name, callback, args, exports) { |
||
| 1635 | return callback.apply(exports, args); |
||
| 1636 | }, |
||
| 1637 | |||
| 1638 | /** |
||
| 1639 | * callback for script loads, used to check status of loading. |
||
| 1640 | * |
||
| 1641 | * @param {Event} evt the event from the browser for the script |
||
| 1642 | * that was loaded. |
||
| 1643 | */ |
||
| 1644 | onScriptLoad: function (evt) { |
||
| 1645 | //Using currentTarget instead of target for Firefox 2.0's sake. Not |
||
| 1646 | //all old browsers will be supported, but this one was easy enough |
||
| 1647 | //to support and still makes sense. |
||
| 1648 | if (evt.type === 'load' || |
||
| 1649 | (readyRegExp.test((evt.currentTarget || evt.srcElement).readyState))) { |
||
| 1650 | //Reset interactive script so a script node is not held onto for |
||
| 1651 | //to long. |
||
| 1652 | interactiveScript = null; |
||
| 1653 | |||
| 1654 | //Pull out the name of the module and the context. |
||
| 1655 | var data = getScriptData(evt); |
||
| 1656 | context.completeLoad(data.id); |
||
| 1657 | } |
||
| 1658 | }, |
||
| 1659 | |||
| 1660 | /** |
||
| 1661 | * Callback for script errors. |
||
| 1662 | */ |
||
| 1663 | onScriptError: function (evt) { |
||
| 1664 | var data = getScriptData(evt); |
||
| 1665 | if (!hasPathFallback(data.id)) { |
||
| 1666 | return onError(makeError('scripterror', 'Script error for: ' + data.id, evt, [data.id])); |
||
| 1667 | } |
||
| 1668 | } |
||
| 1669 | }; |
||
| 1670 | |||
| 1671 | context.require = context.makeRequire(); |
||
| 1672 | return context; |
||
| 1673 | } |
||
| 1674 | |||
| 1675 | /** |
||
| 1676 | * Main entry point. |
||
| 1677 | * |
||
| 1678 | * If the only argument to require is a string, then the module that |
||
| 1679 | * is represented by that string is fetched for the appropriate context. |
||
| 1680 | * |
||
| 1681 | * If the first argument is an array, then it will be treated as an array |
||
| 1682 | * of dependency string names to fetch. An optional function callback can |
||
| 1683 | * be specified to execute when all of those dependencies are available. |
||
| 1684 | * |
||
| 1685 | * Make a local req variable to help Caja compliance (it assumes things |
||
| 1686 | * on a require that are not standardized), and to give a short |
||
| 1687 | * name for minification/local scope use. |
||
| 1688 | */ |
||
| 1689 | req = requirejs = function (deps, callback, errback, optional) { |
||
| 1690 | |||
| 1691 | //Find the right context, use default |
||
| 1692 | var context, config, |
||
| 1693 | contextName = defContextName; |
||
| 1694 | |||
| 1695 | // Determine if have config object in the call. |
||
| 1696 | if (!isArray(deps) && typeof deps !== 'string') { |
||
| 1697 | // deps is a config object |
||
| 1698 | config = deps; |
||
| 1699 | if (isArray(callback)) { |
||
| 1700 | // Adjust args if there are dependencies |
||
| 1701 | deps = callback; |
||
| 1702 | callback = errback; |
||
| 1703 | errback = optional; |
||
| 1704 | } else { |
||
| 1705 | deps = []; |
||
| 1706 | } |
||
| 1707 | } |
||
| 1708 | |||
| 1709 | if (config && config.context) { |
||
| 1710 | contextName = config.context; |
||
| 1711 | } |
||
| 1712 | |||
| 1713 | context = getOwn(contexts, contextName); |
||
| 1714 | if (!context) { |
||
| 1715 | context = contexts[contextName] = req.s.newContext(contextName); |
||
| 1716 | } |
||
| 1717 | |||
| 1718 | if (config) { |
||
| 1719 | context.configure(config); |
||
| 1720 | } |
||
| 1721 | |||
| 1722 | return context.require(deps, callback, errback); |
||
| 1723 | }; |
||
| 1724 | |||
| 1725 | /** |
||
| 1726 | * Support require.config() to make it easier to cooperate with other |
||
| 1727 | * AMD loaders on globally agreed names. |
||
| 1728 | */ |
||
| 1729 | req.config = function (config) { |
||
| 1730 | return req(config); |
||
| 1731 | }; |
||
| 1732 | |||
| 1733 | /** |
||
| 1734 | * Execute something after the current tick |
||
| 1735 | * of the event loop. Override for other envs |
||
| 1736 | * that have a better solution than setTimeout. |
||
| 1737 | * @param {Function} fn function to execute later. |
||
| 1738 | */ |
||
| 1739 | req.nextTick = typeof setTimeout !== 'undefined' ? function (fn) { |
||
| 1740 | setTimeout(fn, 4); |
||
| 1741 | } : function (fn) { fn(); }; |
||
| 1742 | |||
| 1743 | /** |
||
| 1744 | * Export require as a global, but only if it does not already exist. |
||
| 1745 | */ |
||
| 1746 | if (!require) { |
||
| 1747 | require = req; |
||
| 1748 | } |
||
| 1749 | |||
| 1750 | req.version = version; |
||
| 1751 | |||
| 1752 | //Used to filter out dependencies that are already paths. |
||
| 1753 | req.jsExtRegExp = /^\/|:|\?|\.js$/; |
||
| 1754 | req.isBrowser = isBrowser; |
||
| 1755 | s = req.s = { |
||
| 1756 | contexts: contexts, |
||
| 1757 | newContext: newContext |
||
| 1758 | }; |
||
| 1759 | |||
| 1760 | //Create default context. |
||
| 1761 | req({}); |
||
| 1762 | |||
| 1763 | //Exports some context-sensitive methods on global require. |
||
| 1764 | each([ |
||
| 1765 | 'toUrl', |
||
| 1766 | 'undef', |
||
| 1767 | 'defined', |
||
| 1768 | 'specified' |
||
| 1769 | ], function (prop) { |
||
| 1770 | //Reference from contexts instead of early binding to default context, |
||
| 1771 | //so that during builds, the latest instance of the default context |
||
| 1772 | //with its config gets used. |
||
| 1773 | req[prop] = function () { |
||
| 1774 | var ctx = contexts[defContextName]; |
||
| 1775 | return ctx.require[prop].apply(ctx, arguments); |
||
| 1776 | }; |
||
| 1777 | }); |
||
| 1778 | |||
| 1779 | if (isBrowser) { |
||
| 1780 | head = s.head = document.getElementsByTagName('head')[0]; |
||
| 1781 | //If BASE tag is in play, using appendChild is a problem for IE6. |
||
| 1782 | //When that browser dies, this can be removed. Details in this jQuery bug: |
||
| 1783 | //http://dev.jquery.com/ticket/2709 |
||
| 1784 | baseElement = document.getElementsByTagName('base')[0]; |
||
| 1785 | if (baseElement) { |
||
| 1786 | head = s.head = baseElement.parentNode; |
||
| 1787 | } |
||
| 1788 | } |
||
| 1789 | |||
| 1790 | /** |
||
| 1791 | * Any errors that require explicitly generates will be passed to this |
||
| 1792 | * function. Intercept/override it if you want custom error handling. |
||
| 1793 | * @param {Error} err the error object. |
||
| 1794 | */ |
||
| 1795 | req.onError = defaultOnError; |
||
| 1796 | |||
| 1797 | /** |
||
| 1798 | * Does the request to load a module for the browser case. |
||
| 1799 | * Make this a separate function to allow other environments |
||
| 1800 | * to override it. |
||
| 1801 | * |
||
| 1802 | * @param {Object} context the require context to find state. |
||
| 1803 | * @param {String} moduleName the name of the module. |
||
| 1804 | * @param {Object} url the URL to the module. |
||
| 1805 | */ |
||
| 1806 | req.load = function (context, moduleName, url) { |
||
| 1807 | var config = (context && context.config) || {}, |
||
| 1808 | node; |
||
| 1809 | if (isBrowser) { |
||
| 1810 | //In the browser so use a script tag |
||
| 1811 | node = config.xhtml ? |
||
| 1812 | document.createElementNS('http://www.w3.org/1999/xhtml', 'html:script') : |
||
| 1813 | document.createElement('script'); |
||
| 1814 | node.type = config.scriptType || 'text/javascript'; |
||
| 1815 | node.charset = 'utf-8'; |
||
| 1816 | node.async = true; |
||
| 1817 | |||
| 1818 | node.setAttribute('data-requirecontext', context.contextName); |
||
| 1819 | node.setAttribute('data-requiremodule', moduleName); |
||
| 1820 | |||
| 1821 | //Set up load listener. Test attachEvent first because IE9 has |
||
| 1822 | //a subtle issue in its addEventListener and script onload firings |
||
| 1823 | //that do not match the behavior of all other browsers with |
||
| 1824 | //addEventListener support, which fire the onload event for a |
||
| 1825 | //script right after the script execution. See: |
||
| 1826 | //https://connect.microsoft.com/IE/feedback/details/648057/script-onload-event-is-not-fired-immediately-after-script-execution |
||
| 1827 | //UNFORTUNATELY Opera implements attachEvent but does not follow the script |
||
| 1828 | //script execution mode. |
||
| 1829 | if (node.attachEvent && |
||
| 1830 | //Check if node.attachEvent is artificially added by custom script or |
||
| 1831 | //natively supported by browser |
||
| 1832 | //read https://github.com/jrburke/requirejs/issues/187 |
||
| 1833 | //if we can NOT find [native code] then it must NOT natively supported. |
||
| 1834 | //in IE8, node.attachEvent does not have toString() |
||
| 1835 | //Note the test for "[native code" with no closing brace, see: |
||
| 1836 | //https://github.com/jrburke/requirejs/issues/273 |
||
| 1837 | !(node.attachEvent.toString && node.attachEvent.toString().indexOf('[native code') < 0) && |
||
| 1838 | !isOpera) { |
||
| 1839 | //Probably IE. IE (at least 6-8) do not fire |
||
| 1840 | //script onload right after executing the script, so |
||
| 1841 | //we cannot tie the anonymous define call to a name. |
||
| 1842 | //However, IE reports the script as being in 'interactive' |
||
| 1843 | //readyState at the time of the define call. |
||
| 1844 | useInteractive = true; |
||
| 1845 | |||
| 1846 | node.attachEvent('onreadystatechange', context.onScriptLoad); |
||
| 1847 | //It would be great to add an error handler here to catch |
||
| 1848 | //404s in IE9+. However, onreadystatechange will fire before |
||
| 1849 | //the error handler, so that does not help. If addEventListener |
||
| 1850 | //is used, then IE will fire error before load, but we cannot |
||
| 1851 | //use that pathway given the connect.microsoft.com issue |
||
| 1852 | //mentioned above about not doing the 'script execute, |
||
| 1853 | //then fire the script load event listener before execute |
||
| 1854 | //next script' that other browsers do. |
||
| 1855 | //Best hope: IE10 fixes the issues, |
||
| 1856 | //and then destroys all installs of IE 6-9. |
||
| 1857 | //node.attachEvent('onerror', context.onScriptError); |
||
| 1858 | } else { |
||
| 1859 | node.addEventListener('load', context.onScriptLoad, false); |
||
| 1860 | node.addEventListener('error', context.onScriptError, false); |
||
| 1861 | } |
||
| 1862 | node.src = url; |
||
| 1863 | |||
| 1864 | //For some cache cases in IE 6-8, the script executes before the end |
||
| 1865 | //of the appendChild execution, so to tie an anonymous define |
||
| 1866 | //call to the module name (which is stored on the node), hold on |
||
| 1867 | //to a reference to this node, but clear after the DOM insertion. |
||
| 1868 | currentlyAddingScript = node; |
||
| 1869 | if (baseElement) { |
||
| 1870 | head.insertBefore(node, baseElement); |
||
| 1871 | } else { |
||
| 1872 | head.appendChild(node); |
||
| 1873 | } |
||
| 1874 | currentlyAddingScript = null; |
||
| 1875 | |||
| 1876 | return node; |
||
| 1877 | } else if (isWebWorker) { |
||
| 1878 | try { |
||
| 1879 | //In a web worker, use importScripts. This is not a very |
||
| 1880 | //efficient use of importScripts, importScripts will block until |
||
| 1881 | //its script is downloaded and evaluated. However, if web workers |
||
| 1882 | //are in play, the expectation that a build has been done so that |
||
| 1883 | //only one script needs to be loaded anyway. This may need to be |
||
| 1884 | //reevaluated if other use cases become common. |
||
| 1885 | importScripts(url); |
||
| 1886 | |||
| 1887 | //Account for anonymous modules |
||
| 1888 | context.completeLoad(moduleName); |
||
| 1889 | } catch (e) { |
||
| 1890 | context.onError(makeError('importscripts', |
||
| 1891 | 'importScripts failed for ' + |
||
| 1892 | moduleName + ' at ' + url, |
||
| 1893 | e, |
||
| 1894 | [moduleName])); |
||
| 1895 | } |
||
| 1896 | } |
||
| 1897 | }; |
||
| 1898 | |||
| 1899 | function getInteractiveScript() { |
||
| 1900 | if (interactiveScript && interactiveScript.readyState === 'interactive') { |
||
| 1901 | return interactiveScript; |
||
| 1902 | } |
||
| 1903 | |||
| 1904 | eachReverse(scripts(), function (script) { |
||
| 1905 | if (script.readyState === 'interactive') { |
||
| 1906 | return (interactiveScript = script); |
||
| 1907 | } |
||
| 1908 | }); |
||
| 1909 | return interactiveScript; |
||
| 1910 | } |
||
| 1911 | |||
| 1912 | //Look for a data-main script attribute, which could also adjust the baseUrl. |
||
| 1913 | if (isBrowser) { |
||
| 1914 | //Figure out baseUrl. Get it from the script tag with require.js in it. |
||
| 1915 | eachReverse(scripts(), function (script) { |
||
| 1916 | //Set the 'head' where we can append children by |
||
| 1917 | //using the script's parent. |
||
| 1918 | if (!head) { |
||
| 1919 | head = script.parentNode; |
||
| 1920 | } |
||
| 1921 | |||
| 1922 | //Look for a data-main attribute to set main script for the page |
||
| 1923 | //to load. If it is there, the path to data main becomes the |
||
| 1924 | //baseUrl, if it is not already set. |
||
| 1925 | dataMain = script.getAttribute('data-main'); |
||
| 1926 | if (dataMain) { |
||
| 1927 | //Preserve dataMain in case it is a path (i.e. contains '?') |
||
| 1928 | mainScript = dataMain; |
||
| 1929 | |||
| 1930 | //Set final baseUrl if there is not already an explicit one. |
||
| 1931 | if (!cfg.baseUrl) { |
||
| 1932 | //Pull off the directory of data-main for use as the |
||
| 1933 | //baseUrl. |
||
| 1934 | src = mainScript.split('/'); |
||
| 1935 | mainScript = src.pop(); |
||
| 1936 | subPath = src.length ? src.join('/') + '/' : './'; |
||
| 1937 | |||
| 1938 | cfg.baseUrl = subPath; |
||
| 1939 | } |
||
| 1940 | |||
| 1941 | //Strip off any trailing .js since mainScript is now |
||
| 1942 | //like a module name. |
||
| 1943 | mainScript = mainScript.replace(jsSuffixRegExp, ''); |
||
| 1944 | |||
| 1945 | //If mainScript is still a path, fall back to dataMain |
||
| 1946 | if (req.jsExtRegExp.test(mainScript)) { |
||
| 1947 | mainScript = dataMain; |
||
| 1948 | } |
||
| 1949 | |||
| 1950 | //Put the data-main script in the files to load. |
||
| 1951 | cfg.deps = cfg.deps ? cfg.deps.concat(mainScript) : [mainScript]; |
||
| 1952 | |||
| 1953 | return true; |
||
| 1954 | } |
||
| 1955 | }); |
||
| 1956 | } |
||
| 1957 | |||
| 1958 | /** |
||
| 1959 | * The function that handles definitions of modules. Differs from |
||
| 1960 | * require() in that a string for the module should be the first argument, |
||
| 1961 | * and the function to execute after dependencies are loaded should |
||
| 1962 | * return a value to define the module corresponding to the first argument's |
||
| 1963 | * name. |
||
| 1964 | */ |
||
| 1965 | define = function (name, deps, callback) { |
||
| 1966 | var node, context; |
||
| 1967 | |||
| 1968 | //Allow for anonymous modules |
||
| 1969 | if (typeof name !== 'string') { |
||
| 1970 | //Adjust args appropriately |
||
| 1971 | callback = deps; |
||
| 1972 | deps = name; |
||
| 1973 | name = null; |
||
| 1974 | } |
||
| 1975 | |||
| 1976 | //This module may not have dependencies |
||
| 1977 | if (!isArray(deps)) { |
||
| 1978 | callback = deps; |
||
| 1979 | deps = null; |
||
| 1980 | } |
||
| 1981 | |||
| 1982 | //If no name, and callback is a function, then figure out if it a |
||
| 1983 | //CommonJS thing with dependencies. |
||
| 1984 | if (!deps && isFunction(callback)) { |
||
| 1985 | deps = []; |
||
| 1986 | //Remove comments from the callback string, |
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| 1987 | //look for require calls, and pull them into the dependencies, |
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| 1988 | //but only if there are function args. |
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| 1989 | if (callback.length) { |
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| 1990 | callback |
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| 1991 | .toString() |
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| 1992 | .replace(commentRegExp, '') |
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| 1993 | .replace(cjsRequireRegExp, function (match, dep) { |
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| 1994 | deps.push(dep); |
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| 1995 | }); |
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| 1996 | |||
| 1997 | //May be a CommonJS thing even without require calls, but still |
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| 1998 | //could use exports, and module. Avoid doing exports and module |
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| 1999 | //work though if it just needs require. |
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| 2000 | //REQUIRES the function to expect the CommonJS variables in the |
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| 2001 | //order listed below. |
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| 2002 | deps = (callback.length === 1 ? ['require'] : ['require', 'exports', 'module']).concat(deps); |
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| 2003 | } |
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| 2004 | } |
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| 2005 | |||
| 2006 | //If in IE 6-8 and hit an anonymous define() call, do the interactive |
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| 2007 | //work. |
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| 2008 | if (useInteractive) { |
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| 2009 | node = currentlyAddingScript || getInteractiveScript(); |
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| 2010 | if (node) { |
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| 2011 | if (!name) { |
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| 2012 | name = node.getAttribute('data-requiremodule'); |
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| 2013 | } |
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| 2014 | context = contexts[node.getAttribute('data-requirecontext')]; |
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| 2015 | } |
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| 2016 | } |
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| 2017 | |||
| 2018 | //Always save off evaluating the def call until the script onload handler. |
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| 2019 | //This allows multiple modules to be in a file without prematurely |
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| 2020 | //tracing dependencies, and allows for anonymous module support, |
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| 2021 | //where the module name is not known until the script onload event |
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| 2022 | //occurs. If no context, use the global queue, and get it processed |
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| 2023 | //in the onscript load callback. |
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| 2024 | (context ? context.defQueue : globalDefQueue).push([name, deps, callback]); |
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| 2025 | }; |
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| 2026 | |||
| 2027 | define.amd = { |
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| 2028 | jQuery: true |
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| 2029 | }; |
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| 2030 | |||
| 2031 | |||
| 2032 | /** |
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| 2033 | * Executes the text. Normally just uses eval, but can be modified |
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| 2034 | * to use a better, environment-specific call. Only used for transpiling |
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| 2035 | * loader plugins, not for plain JS modules. |
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| 2036 | * @param {String} text the text to execute/evaluate. |
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| 2037 | */ |
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| 2038 | req.exec = function (text) { |
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| 2039 | /*jslint evil: true */ |
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| 2040 | return eval(text); |
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| 2041 | }; |
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| 2042 | |||
| 2043 | //Set up with config info. |
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| 2044 | req(cfg); |
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| 2045 | }(this)); |
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| 2046 |
