开发者模式下测试 electron-updater 自动升级

const { app } = require('electron');
//手动设置app isPackaged
Object.defineProperty(app, 'isPackaged', {
  get() {
    return true;
  }
});

自动升级脚本

import { autoUpdater } from 'electron-updater';
import { ipcMain } from 'electron';
//全量更新
let mainWindow = null;
export function updateHandle(window, feedUrl) {
  mainWindow = window;
  //设置更新包的地址
  autoUpdater.setFeedURL(feedUrl);
  //监听升级失败事件
  autoUpdater.on('error', function (message) {
    sendUpdateMessage({
      cmd: 'error',
      message: message,
    });
  });
  //监听开始检测更新事件
  autoUpdater.on('checking-for-update', function (message) {
    sendUpdateMessage({
      cmd: 'checking-for-update',
      message: message,
    });
  });
  //监听发现可用更新事件
  autoUpdater.on('update-available', function (message) {
    sendUpdateMessage({
      cmd: 'update-available',
      message: message,
    });
  });
  //监听没有可用更新事件
  autoUpdater.on('update-not-available', function (message) {
    sendUpdateMessage({
      cmd: 'update-not-available',
      message: message,
    });
  });

  // 更新下载进度事件
  autoUpdater.on('download-progress', function (progressObj) {
    sendUpdateMessage({
      cmd: 'download-progress',
      message: progressObj,
    });
  });
  //监听下载完成事件
  autoUpdater.on(
    'update-downloaded',
    function (event, releaseNotes, releaseName, releaseDate, updateUrl) {
      sendUpdateMessage({
        cmd: 'update-downloaded',
        message: {
          releaseNotes,
          releaseName,
          releaseDate,
          updateUrl,
        },
      });
      //退出并安装更新包
      autoUpdater.quitAndInstall();
    }
  );

  //接收渲染进程消息，开始检查更新
  ipcMain.on('checkForUpdate', () => {
    //执行自动更新检查
    autoUpdater.checkForUpdates();
  });
}
//给渲染进程发送消息
function sendUpdateMessage(text) {
  mainWindow.webContents.send('message', text);
}


//渲染进程监听
ipcRenderer.on('message', (event, arg) => {
  console.log(arg);
  if ('update-available' == arg.cmd) {
        //显示升级对话框
        this.update.dialogVisible = true;
        this.update.title = '正在更新,请稍候...';
        this.update.find = true;
        this.update.version = arg.message.version;
        this.update.html = arg.message.releaseNotes;
  } else if ('download-progress' == arg.cmd) {
        let percent = Math.round(parseFloat(arg.message.percent));
        this.update.percentage = percent;
  } else if ('update-not-available' == arg.cmd) {
        this.update.version = arg.message.version;
        this.update.dialogVisible = true;
        this.update.showClose = true;
  }
});