webpack/lib/AmdMainTemplatePlugin.js

Packs CommonJs/AMD modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support loaders to preprocess files, i.e. json, jade, coffee, css, less, ... and your custom stuff.

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/
var ConcatSource = require("webpack-core/lib/ConcatSource");

function AmdMainTemplatePlugin(name) {
	this.name = name;
}
module.exports = AmdMainTemplatePlugin;
AmdMainTemplatePlugin.prototype.apply = function(mainTemplate) {
	mainTemplate.plugin("render", function(source, chunk, hash, moduleTemplate, dependencyTemplates) {
		var externals = chunk.modules.filter(function(m) {
			return m.external;
		});
		var externalsDepsArray = JSON.stringify(externals.map(function(m) {
			return typeof m.request === "object" ? m.request.amd : m.request;
		}));
		var externalsArguments = externals.map(function(m) {
			return "__WEBPACK_EXTERNAL_MODULE_" + m.id + "__";
		}).join(", ");
		if(this.name) {
			var name = mainTemplate.applyPluginsWaterfall("asset-path", this.name, {
				hash: hash,
				chunk: chunk
			});
			return new ConcatSource("define(" + JSON.stringify(name) + ", " + externalsDepsArray + ", function(" + externalsArguments + ") { return ", source, "});");
		} else if(externalsArguments) {
			return new ConcatSource("define(" + externalsDepsArray + ", function(" + externalsArguments + ") { return ", source, "});");
		} else {
			return new ConcatSource("define(function() { return ", source, "});");
		}
	}.bind(this));
	mainTemplate.plugin("global-hash-paths", function(paths) {
		if (this.name) paths.push(this.name);
		return paths;
	}.bind(this));
	mainTemplate.plugin("hash", function(hash) {
		hash.update("exports amd");
		hash.update(this.name + "");
	}.bind(this));
};