2015-05-10 14:52:26 +00:00
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var fs = require("fs");
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var Module = require("module");
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var moduleStack = [];
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var defaultCompile = module.constructor.prototype._compile;
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module.constructor.prototype._compile = function(content, filename){
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moduleStack.push(this);
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try {
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return defaultCompile.call(this, content, filename);
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}
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finally {
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moduleStack.pop();
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}
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};
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global.define = function (id, injects, factory) {
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2015-12-11 14:39:49 +00:00
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var DEFAULT_INJECTS = ["require", "exports", "module"];
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2015-05-10 14:52:26 +00:00
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2015-12-11 14:39:49 +00:00
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// infer the module
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2015-05-10 14:52:26 +00:00
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var currentModule = moduleStack[moduleStack.length-1];
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var mod = currentModule || module.parent || require.main;
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2015-12-11 14:39:49 +00:00
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// assign arguments
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if (arguments.length === 1) {
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factory = id;
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injects = DEFAULT_INJECTS;
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id = null;
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}
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else if (arguments.length === 2) {
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2015-05-10 14:52:26 +00:00
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factory = injects;
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2015-12-11 14:39:49 +00:00
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injects = id;
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id = null;
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}
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if (typeof id === "string" && id !== mod.id) {
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throw new Error("Can not assign module to a different id than the current file");
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2015-05-10 14:52:26 +00:00
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}
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var req = function(module, relativeId, callback) {
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if (Array.isArray(relativeId)) {
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// async require
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return callback.apply(this, relativeId.map(req))
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}
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var chunks = relativeId.split("!");
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var prefix;
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if (chunks.length >= 2) {
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prefix = chunks[0];
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relativeId = chunks.slice(1).join("!");
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}
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var fileName = Module._resolveFilename(relativeId, module);
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if (Array.isArray(fileName))
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fileName = fileName[0];
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if (prefix && prefix.indexOf("text") !== -1) {
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2015-12-28 16:08:04 +00:00
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return fs.readFileSync(fileName, "utf8");
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2015-05-10 14:52:26 +00:00
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} else
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return require(fileName);
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}.bind(this, mod);
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id = mod.id;
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if (typeof factory !== "function") {
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// we can just provide a plain object
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return mod.exports = factory;
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}
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var returned = factory.apply(mod.exports, injects.map(function (injection) {
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switch (injection) {
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// check for CommonJS injection variables
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case "require": return req;
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case "exports": return mod.exports;
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case "module": return mod;
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default:
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// a module dependency
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return req(injection);
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}
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}));
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if (returned) {
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// since AMD encapsulates a function/callback, it can allow the factory to return the exports.
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mod.exports = returned;
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}
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2015-12-11 14:39:49 +00:00
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};
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