npm and error messages

node_modules/webpack/lib/dependencies/SingleEntryDependency.js

@@ -0,0 +1,18 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const ModuleDependency = require("./ModuleDependency");
+
+class SingleEntryDependency extends ModuleDependency {
+	constructor(request) {
+		super(request);
+	}
+
+	get type() {
+		return "single entry";
+	}
+}
+
+module.exports = SingleEntryDependency;