/** * Copyright 2018-present Facebook. * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. * @format */ const {ipcRenderer} = require('electron'); global.sendToHost = message => { ipcRenderer.sendToHost(message); }; global.setupToReceiveHostMessage = callback => { ipcRenderer.on('hostMessage', (event, message) => { callback(message); }); };