add UMD, closed webpack#71

sokra · sokra · commit b742264a4d86 · 2013-03-11T14:51:23.000+01:00
diff --git a/lib/CommonJsMainTemplateDecorator.js b/lib/CommonJsMainTemplateDecorator.js
diff --git a/lib/LibraryTemplatePlugin.js b/lib/LibraryTemplatePlugin.js
@@ -3,7 +3,7 @@
 	Author Tobias Koppers @sokra
 */
 var SetVarMainTemplateDecorator = require("./SetVarMainTemplateDecorator");
-var CommonJsMainTemplateDecorator = require("./CommonJsMainTemplateDecorator");
+var UmdMainTemplateDecorator = require("./UmdMainTemplateDecorator");
 
 function LibraryTemplatePlugin(name, target) {
 	this.name = name;
@@ -25,7 +25,10 @@ LibraryTemplatePlugin.prototype.apply = function(compiler) {
 		compiler.mainTemplate = new SetVarMainTemplateDecorator(compiler.mainTemplate, "exports[" + JSON.stringify(this.name) + "]");
 		break;
 	case "commonjs2":
-		compiler.mainTemplate = new CommonJsMainTemplateDecorator(compiler.mainTemplate);
+		compiler.mainTemplate = new SetVarMainTemplateDecorator(compiler.mainTemplate, "module.exports");
+		break;
+	case "umd":
+		compiler.mainTemplate = new UmdMainTemplateDecorator(compiler.mainTemplate, this.name);
 		break;
 	default:
 		throw new Error(this.target + " is not a valid Library target");
diff --git a/lib/SetVarMainTemplateDecorator.js b/lib/SetVarMainTemplateDecorator.js
@@ -5,17 +5,17 @@
 var WrapSource = require("./WrapSource");
 var RawSource = require("webpack-core/lib/RawSource");
 
-function CommonJsMainTemplateDecorator(mainTemplate, varExpression) {
+function SetVarMainTemplateDecorator(mainTemplate, varExpression) {
 	this.mainTemplate = mainTemplate;
 	this.varExpression = varExpression;
 }
-module.exports = CommonJsMainTemplateDecorator;
-CommonJsMainTemplateDecorator.prototype.render = function(hash, chunk, moduleTemplate, dependencyTemplates) {
+module.exports = SetVarMainTemplateDecorator;
+SetVarMainTemplateDecorator.prototype.render = function(hash, chunk, moduleTemplate, dependencyTemplates) {
 	var source = this.mainTemplate.render(hash, chunk, moduleTemplate, dependencyTemplates);
 	var prefix = this.varExpression + " =\n";
 	return new WrapSource(new RawSource(prefix), source, new RawSource(""));
 };
-CommonJsMainTemplateDecorator.prototype.updateHash = function(hash) {
+SetVarMainTemplateDecorator.prototype.updateHash = function(hash) {
 	hash.update("set var");
 	hash.update(this.varExpression);
 	this.mainTemplate.updateHash(hash);
diff --git a/lib/UmdMainTemplateDecorator.js b/lib/UmdMainTemplateDecorator.js
@@ -0,0 +1,36 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+var WrapSource = require("./WrapSource");
+var RawSource = require("webpack-core/lib/RawSource");
+
+function UmdMainTemplateDecorator(mainTemplate, name) {
+	this.mainTemplate = mainTemplate;
+	this.name = name;
+}
+module.exports = UmdMainTemplateDecorator;
+UmdMainTemplateDecorator.prototype.render = function(hash, chunk, moduleTemplate, dependencyTemplates) {
+	var source = this.mainTemplate.render(hash, chunk, moduleTemplate, dependencyTemplates);
+	var prefix = "module.exports =\n";
+	return new WrapSource(new RawSource(
+		"(function webpackUniversalModuleDefinition(root) {\n" +
+		"	return function webpackUniversalModuleDefinitionWrapBootstrap(fn) {\n" +
+		"		return function webpackUniversalModuleDefinitionBootstrap(modules) {\n" +
+		"			if(typeof exports === 'object' && typeof module === 'object')\n" +
+		"				module.exports = fn(modules);\n" +
+		"			else if(typeof define === 'function' && define.amd)\n" +
+		"				define(function() { return fn(modules); });\n" +
+		"			else if(typeof exports === 'object')\n" +
+		"				exports[" + JSON.stringify(this.name) + "] = fn(modules);\n" +
+		"			else\n" +
+		"				root[" + JSON.stringify(this.name) + "] = fn(modules);\n" +
+		"		}\n" +
+		"	}\n" +
+		"})(this)\n"), source, new RawSource(""));
+};
+UmdMainTemplateDecorator.prototype.updateHash = function(hash) {
+	hash.update("umd");
+	hash.update(this.name);
+	this.mainTemplate.updateHash(hash);
+};
