introduce named chunks plugin

timse · timse · commit 376badba98d5 · 2017-03-26T20:30:52.000+11:00
diff --git a/lib/NamedChunksPlugin.js b/lib/NamedChunksPlugin.js
@@ -0,0 +1,30 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class NamedChunksPlugin {
+
+	static defaultNameResolver(chunk) {
+		return chunk.name || null;
+	}
+
+	constructor(nameResolver) {
+		this.nameResolver = nameResolver || NamedChunksPlugin.defaultNameResolver;
+	}
+
+	apply(compiler) {
+		compiler.plugin("compilation", (compilation) => {
+			compilation.plugin("before-chunk-ids", (chunks) => {
+				chunks.forEach((chunk) => {
+					if(chunk.id === null) {
+						chunk.id = this.nameResolver(chunk);
+					}
+				});
+			});
+		});
+	}
+}
+
+module.exports = NamedChunksPlugin;
