npm and error messages

node_modules/webpack/lib/EvalSourceMapDevToolPlugin.js

@@ -0,0 +1,32 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const EvalSourceMapDevToolModuleTemplatePlugin = require("./EvalSourceMapDevToolModuleTemplatePlugin");
+const SourceMapDevToolModuleOptionsPlugin = require("./SourceMapDevToolModuleOptionsPlugin");
+
+class EvalSourceMapDevToolPlugin {
+	constructor(options) {
+		if(arguments.length > 1)
+			throw new Error("EvalSourceMapDevToolPlugin only takes one argument (pass an options object)");
+		if(typeof options === "string") {
+			options = {
+				append: options
+			};
+		}
+		if(!options) options = {};
+		this.options = options;
+	}
+
+	apply(compiler) {
+		const options = this.options;
+		compiler.plugin("compilation", (compilation) => {
+			new SourceMapDevToolModuleOptionsPlugin(options).apply(compilation);
+			compilation.moduleTemplate.apply(new EvalSourceMapDevToolModuleTemplatePlugin(compilation, options));
+		});
+	}
+}
+
+module.exports = EvalSourceMapDevToolPlugin;