Merge pull request webpack#3615 from abouthiroppy/feature/refactor-Am…

…dMainTemplatePlugin

refactor(AmdMainTemplatePlugin): update AmdMainTemplatePlugin to es2015

lib/AmdMainTemplatePlugin.js

@@ -1,43 +1,55 @@
 /*
-	MIT License http://www.opensource.org/licenses/mit-license.php
-	Author Tobias Koppers @sokra
-*/
-var ConcatSource = require("webpack-sources").ConcatSource;
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+ */
 
-function AmdMainTemplatePlugin(name) {
-	this.name = name;
+"use strict";
+
+const ConcatSource = require("webpack-sources").ConcatSource;
+
+class AmdMainTemplatePlugin {
+	constructor(name) {
+		this.name = name;
+	}
+
+	apply(compilation) {
+		let mainTemplate = compilation.mainTemplate;
+
+		compilation.templatesPlugin("render-with-entry", (source, chunk, hash) => {
+			let externals = chunk.modules.filter((m) => m.external);
+			let externalsDepsArray = JSON.stringify(externals.map((m) =>
+				typeof m.request === "object" ? m.request.amd : m.request
+			));
+			let externalsArguments = externals.map((m) =>
+				`__WEBPACK_EXTERNAL_MODULE_${m.id}__`
+			).join(", ");
+
+			if(this.name) {
+				let name = mainTemplate.applyPluginsWaterfall("asset-path", this.name, {
+					hash,
+					chunk
+				});
+
+				return new ConcatSource(
+					`define(${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, "});");
+			}
+		});
+
+		mainTemplate.plugin("global-hash-paths", (paths) => {
+			if(this.name) paths.push(this.name);
+			return paths;
+		});
+
+		mainTemplate.plugin("hash", (hash) => {
+			hash.update("exports amd");
+			hash.update(`${this.name}`);
+		});
+	}
 }
+
 module.exports = AmdMainTemplatePlugin;
-AmdMainTemplatePlugin.prototype.apply = function(compilation) {
-	var mainTemplate = compilation.mainTemplate;
-	compilation.templatesPlugin("render-with-entry", function(source, chunk, hash) {
-		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));
-};