npm and error messages

node_modules/webpack/lib/dependencies/MultiEntryDependency.js

@@ -0,0 +1,20 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const Dependency = require("../Dependency");
+
+class MultiEntryDependency extends Dependency {
+	constructor(dependencies, name) {
+		super();
+		this.dependencies = dependencies;
+		this.name = name;
+	}
+
+	get type() {
+		return "multi entry";
+	}
+}
+
+module.exports = MultiEntryDependency;