我是照著這個來的

然后報錯

求大神指導(dǎo)
package.json

{
  "name": "app-name",
  "version": "0.1.0",
  "main": "main.js",
  "dependencies": {
    "electron-packager": "^12.0.1"
  }
}

main.js

var  {app, BrowserWindow} = require('electron')
var path = require('path')
var url = require('url')
// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
var win
function createWindow () {
    // Create the browser window.
    win = new BrowserWindow({width: 800, height: 600})
    // and load the index.html of the app.
    win.loadURL(url.format({
        pathname: path.join(__dirname, 'index.html'),
        protocol: 'file:',
        slashes: true
    }))
    // Open the DevTools.
    // win.webContents.openDevTools()
    // Emitted when the window is closed.
    win.on('closed', () => {
        // Dereference the window object, usually you would store windows
        // in an array if your app supports multi windows, this is the time
        // when you should devare the corresponding element.
        win = null
})
}
// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.on('ready', createWindow)
// Quit when all windows are closed.
app.on('window-all-closed', () => {
    // On macOS it is common for applications and their menu bar
    // to stay active until the user quits explicitly with Cmd + Q
    if (process.platform !== 'darwin') {
    app.quit()
}
})
app.on('activate', () => {
    // On macOS it's common to re-create a window in the app when the
    // dock icon is clicked and there are no other windows open.
    if (win === null) {
    createWindow()
}
})
// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and require them here.