koodo-reader/main.js

const { app, BrowserWindow, dialog, shell, remote } = require("electron");
const isDev = require("electron-is-dev");
const path = require("path");
const { autoUpdater } = require("electron-updater");
let mainWindow;

app.on("ready", () => {
  // console.log("before message box");
  autoUpdater.on("update-available", () => {
    dialog
      .showMessageBox({
        title: "更新提示",
        message: "Koodo Reader发布新版本啦！",
        buttons: ["前往下载", "稍后提醒"],
        defaultId: 0, // bound to buttons array
        cancelId: 1, // bound to buttons array
      })
      .then((result) => {
        if (result.response === 0) {
          // bound to buttons array
          shell.openExternal(
            "https://github.com/troyeguo/koodo-reader/releases"
          );
        } else if (result.response === 1) {
          // bound to buttons array
          console.log("Cancel button clicked.");
        }
      })
      .catch((err) => {
        console.log("Error occurs");
      });

    console.log("after message box");
  });
  mainWindow = new BrowserWindow({
    width: 1024,
    height: 660,
    webPreferences: {
      nodeIntegration: false,
    },
  });
  if (!isDev) {
    const { Menu } = require("electron");
    Menu.setApplicationMenu(null);
  }

  const urlLocation = isDev
    ? "http://localhost:3000/"
    : `file://${path.join(__dirname, "./build/index.html")}`;
  mainWindow.loadURL(urlLocation);
});