EasySpider/ElectronJS/preload.js

/**
 * The preload script runs before. It has access to web APIs
 * as well as Electron's renderer process modules and some
 * polyfilled Node.js functions.
 * 
 * https://www.electronjs.org/docs/latest/tutorial/sandbox
 */
const { contextBridge, ipcRenderer } = require('electron');

contextBridge.exposeInMainWorld('electronAPI', {
    startDesign: () => ipcRenderer.send('start-design', ""),
    startInvoke: () => ipcRenderer.send('start-invoke', ""),
})