webpack/lib/util/magicComment.js

Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Alexander Akait @alexander-akait
*/

"use strict";

const memoize = require("./memoize");

const getVm = memoize(() => require("vm"));

// regexp to match at least one "magic comment"
module.exports.createMagicCommentContext = () =>
	getVm().createContext(undefined, {
		name: "Webpack Magic Comment Parser",
		codeGeneration: { strings: false, wasm: false }
	});
module.exports.webpackCommentRegExp = new RegExp(
	/(^|\W)webpack[A-Z]{1,}[A-Za-z]{1,}:/
);

// regexp to match at least one "magic comment"
/**
 * @returns {import("vm").Context} magic comment context
 */