JavaScriptExample
diff --git a/‎lib/ContextModule.js‎
Lines changed: 14 additions & 16 deletions b/‎lib/ContextModule.js‎
Lines changed: 14 additions & 16 deletions
@@ -10,14 +10,14 @@ const RawSource = require("webpack-sources").RawSource;
 const AsyncDependenciesBlock = require("./AsyncDependenciesBlock");
 
 class ContextModule extends Module {
-	constructor(resolveDependencies, context, recursive, regExp, addon, async) {
+	constructor(resolveDependencies, context, recursive, regExp, addon, isAsync) {
 		super();
 		this.resolveDependencies = resolveDependencies;
 		this.context = context;
 		this.recursive = recursive;
 		this.regExp = regExp;
 		this.addon = addon;
-		this.async = !!async;
+		this.async = !!isAsync;
 		this.cacheable = true;
 		this.contextDependencies = [context];
 		this.built = false;
@@ -30,7 +30,7 @@ class ContextModule extends Module {
 	}
 
 	contextify(context, request) {
-		return request.split("!").map(function(subrequest) {
+		return request.split("!").map(subrequest => {
 			let rp = path.relative(context, subrequest);
 			if(path.sep === "\\")
 				rp = rp.replace(/\\/g, "/");
@@ -147,14 +147,14 @@ class ContextModule extends Module {
 			}).reduce(function(map, dep) {
 				map[dep.userRequest] = dep.module.id;
 				return map;
-			}, {});
+			}, Object.create(null));
 		return `var map = ${JSON.stringify(map, null, "\t")};
 function webpackContext(req) {
 	return __webpack_require__(webpackContextResolve(req));
 };
 function webpackContextResolve(req) {
 	var id = map[req];
-	if(!(id + 1)) // check for number
+	if(!(id + 1)) // check for number or string
 		throw new Error("Cannot find module '" + req + "'.");
 	return id;
 };
@@ -170,16 +170,14 @@ webpackContext.id = ${JSON.stringify(id)};`;
 		let hasMultipleOrNoChunks = false;
 		const map = blocks
 			.filter(block => block.dependencies[0].module)
-			.map(function(block) {
-				return {
-					dependency: block.dependencies[0],
-					block: block,
-					userRequest: block.dependencies[0].userRequest
-				};
-			}).sort(function(a, b) {
+			.map((block) => ({
+				dependency: block.dependencies[0],
+				block: block,
+				userRequest: block.dependencies[0].userRequest
+			})).sort((a, b) => {
 				if(a.userRequest === b.userRequest) return 0;
 				return a.userRequest < b.userRequest ? -1 : 1;
-			}).reduce(function(map, item) {
+			}).reduce((map, item) => {
 				const chunks = item.block.chunks || [];
 				if(chunks.length !== 1) {
 					hasMultipleOrNoChunks = true;
@@ -188,7 +186,7 @@ webpackContext.id = ${JSON.stringify(id)};`;
 					.concat(chunks.map(chunk => chunk.id));
 
 				return map;
-			}, {});
+			}, Object.create(null));
 
 		const requestPrefix = hasMultipleOrNoChunks ?
 			"Promise.all(ids.slice(1).map(__webpack_require__.e))" :
@@ -247,11 +245,11 @@ webpackEmptyContext.id = ${JSON.stringify(id)};`;
 
 	size() {
 		// base penalty
-		let count = 160;
+		const initialCount = 160;
 
 		// if we dont have dependencies we stop here.
 		return this.dependencies
-			.reduce((count, dependency) => count + 5 + dependency.userRequest.length, count);
+			.reduce((count, dependency) => count + 5 + dependency.userRequest.length, initialCount);
 	}
 }