const { contextBridge, ipcRenderer } = require('electron'); contextBridge.exposeInMainWorld('$electron', { send: (event, args) => ipcRenderer.send('signal', event, args), once: (event, callBack) => ipcRenderer.once(event, (_, args) => callBack(args)), on: (event, callBack) => ipcRenderer.on(event, (_, args) => callBack(args)) })