electron-auto-updater-enhanced/autoUpdater.js

Enhanced auto-updater for Electron applications

const { autoUpdater } = require('electron-updater');
const { EventEmitter } = require('events');

// 初始化 autoUpdater
function initAutoUpdater(mainWindow) {
  const emitter = new EventEmitter();
  // 监听更新错误
  autoUpdater.on("error", (error) => {
      emitter.emit('auto-update-log', {
        type: "error",
        message:"Update error: " + error
      });
      mainWindow.webContents.send("message", { cmd: "error", message: error });
  });

  autoUpdater.on("checking-for-update", function (message) {
    if (message) {
      emitter.emit('auto-update-log', {
        type: "info",
        message:"checking-for-update" + message
      });
      mainWindow.webContents.send("message", { cmd: "checking-for-update", message: message });
    }
  });
  autoUpdater.on("update-not-available", function (message) {
    if (message) {
      emitter.emit('auto-update-log', {
        type: "info",
        message:"update-not-available" + message
      });
      mainWindow.webContents.send("message", { cmd: "update-not-available", message: message });
    }
  });
  autoUpdater.on("download-progress", function (message) {
    if (message) {
      mainWindow.webContents.send("message", { cmd: "download-progress", message: message });
    }
  });
  // 监听更新可用
  autoUpdater.on("update-available", (info) => {
      emitter.emit('auto-update-log', {
        type: "info",
        message:"Update available: " + info
      });
      mainWindow.webContents.send("message", { cmd: "update-available", message: "有可用更新" });
  });

  // 监听更新下载完成
  autoUpdater.on("update-downloaded", (info) => {
      emitter.emit('auto-update-log', {
        type: "info",
        message:"Update downloaded: " + info
      });
      mainWindow.webContents.send("message", { cmd: "update-downloaded", message: "下载完成" });
      autoUpdater.quitAndInstall(); // 退出并安装更新
  });

  // 检查更新
  function checkForUpdates() {
      autoUpdater.checkForUpdates();
  }

  return {
      checkForUpdates,
  };
}

module.exports = { initAutoUpdater };