/** * Copyright (c) 2015-present, Facebook, Inc. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ const fs = require('fs'); module.exports = function applyPatch(file, patch) { fs.writeFileSync(file, fs .readFileSync(file, 'utf8') .replace(patch.pattern, match => `${match}${patch.patch}`) ); };