mirror of
https://github.com/systemjs/systemjs.git
synced 2026-01-18 14:53:14 +00:00
83 lines
2.8 KiB
JavaScript
83 lines
2.8 KiB
JavaScript
/*
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SystemJS AMD Format
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Provides the AMD module format definition at System.format.amd
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as well as a RequireJS-style require on System.require
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*/
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(function() {
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// AMD Module Format Detection RegEx
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// define([.., .., ..], ...)
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// define(varName); || define(function(require, exports) {}); || define({})
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var amdRegEx = /(?:^\uFEFF?|[^$_a-zA-Z\xA0-\uFFFF.])define\s*\(\s*("[^"]+"\s*,\s*|'[^']+'\s*,\s*)?\s*(\[(\s*(("[^"]+"|'[^']+')\s*,|\/\/.*\r?\n|\/\*(.|\s)*?\*\/))*(\s*("[^"]+"|'[^']+')\s*,?)?(\s*(\/\/.*\r?\n|\/\*(.|\s)*?\*\/))*\s*\]|function\s*|{|[_$a-zA-Z\xA0-\uFFFF][_$a-zA-Z0-9\xA0-\uFFFF]*\))/;
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// script injection mode calls this function synchronously on load
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hook('onScriptLoad', function(onScriptLoad) {
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return function(load) {
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onScriptLoad.call(this, load);
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var lastModule = this.get('@@amd-helpers').lastModule;
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if (lastModule.anonDefine || lastModule.isBundle) {
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load.metadata.format = 'defined';
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load.metadata.registered = true;
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lastModule.isBundle = false;
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}
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if (lastModule.anonDefine) {
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load.metadata.deps = load.metadata.deps ? load.metadata.deps.concat(lastModule.anonDefine.deps) : lastModule.anonDefine.deps;
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load.metadata.execute = lastModule.anonDefine.execute;
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lastModule.anonDefine = null;
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}
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};
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});
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hook('fetch', function(fetch) {
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return function(load) {
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if (load.metadata.format === 'amd')
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load.metadata.scriptLoad = true;
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if (load.metadata.scriptLoad)
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this.get('@@amd-helpers').createDefine(this);
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return fetch.call(this, load);
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};
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});
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hook('instantiate', function(instantiate) {
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return function(load) {
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var loader = this;
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if (load.metadata.format == 'amd' || !load.metadata.format && load.source.match(amdRegEx)) {
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load.metadata.format = 'amd';
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if (!loader.builder || loader.execute === false) {
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var removeDefine = this.get('@@amd-helpers').createDefine(loader);
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__exec.call(loader, load);
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removeDefine(loader);
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var lastModule = this.get('@@amd-helpers').lastModule;
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if (!lastModule.anonDefine && !lastModule.isBundle)
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throw new TypeError('AMD module ' + load.name + ' did not define');
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if (lastModule.anonDefine) {
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load.metadata.deps = load.metadata.deps ? load.metadata.deps.concat(lastModule.anonDefine.deps) : lastModule.anonDefine.deps;
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load.metadata.execute = lastModule.anonDefine.execute;
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}
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lastModule.isBundle = false;
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lastModule.anonDefine = null;
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}
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else {
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load.metadata.execute = function() {
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return load.metadata.builderExecute();
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};
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}
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return instantiate.call(loader, load);
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}
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return instantiate.call(loader, load);
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};
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});
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})();
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