npm and error messages

node_modules/webpack/lib/EvalDevToolModulePlugin.js

@@ -0,0 +1,22 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const EvalDevToolModuleTemplatePlugin = require("./EvalDevToolModuleTemplatePlugin");
+
+class EvalDevToolModulePlugin {
+	constructor(sourceUrlComment, moduleFilenameTemplate) {
+		this.sourceUrlComment = sourceUrlComment;
+		this.moduleFilenameTemplate = moduleFilenameTemplate;
+	}
+
+	apply(compiler) {
+		compiler.plugin("compilation", (compilation) => {
+			compilation.moduleTemplate.apply(new EvalDevToolModuleTemplatePlugin(this.sourceUrlComment, this.moduleFilenameTemplate));
+		});
+	}
+}
+
+module.exports = EvalDevToolModulePlugin;