electron-auto-updater.ts

import { autoUpdater } from 'electron-updater';
import { dialog, webContents, app, ipcMain, BrowserWindow } from 'electron';
import { ProgressInfo } from 'builder-util-runtime';
import * as log from 'electron-log';
export default class AppUpdater {
  constructor() {
    log.transports.file.level = 'debug';
    autoUpdater.logger = log;
    if (process.platform === 'darwin' || process.platform === 'win32') {
      autoUpdater.checkForUpdatesAndNotify();
      log.info('initiated app autoUpdater');
    }
  }

}
export function checkForUpdates(menuItem, focusedWindow, event) {
  if (process.platform === 'darwin' || process.platform === 'win32') {
    autoUpdater.checkForUpdatesAndNotify();
  }
}

function sendStatusToWindow(type: string, e?: ProgressInfo) {
  let windows = BrowserWindow.getAllWindows();
  if (windows) {
    let window = windows[0];
    if (window) {
      window.webContents.send(type, (e) ? e : { msg: 'am good' });
    }
  }
}

app.once('ready', () => {
  setTimeout(() => {
    log.info(`current app version is: ${app.getVersion()} from AppUpdater.`);
  }, 20000);

  // initiate again for download
  ipcMain.on('download-update-triggger', event => {
    log.info('bingo we are ready!');
    if (process.platform === 'darwin' || process.platform === 'win32') {
      autoUpdater.checkForUpdatesAndNotify();
    }
  });

  // initiate restart
  ipcMain.on('quit-install-triggger', event => {
    try {
      autoUpdater.quitAndInstall();
    } catch (e) {
      log.error(e);
    }
  });

  // error case
  autoUpdater.on('error', (e: any) => {
    log.info('err while updating:', e);
  });

  // progress case
  autoUpdater.on('checking-for-update', (e: any) => {
    log.info('checking-for-update', e);
  });

  autoUpdater.on('update-available', (e: any) => {
    log.info('update-available', e);
    if (process.platform === 'darwin' || process.platform === 'win32') {
      autoUpdater.downloadUpdate();
    }
  });
  autoUpdater.on('update-not-available', (e: any) => {
    log.info('update not available', e);
  });

  autoUpdater.on('update-downloaded', (event: any) => {
    log.info('update-downloaded:', event);
    if (event) {
      const latest: string =  (event && event.version) ? event.version : 'latest';
      dialog.showMessageBox({
        title: 'Install Updates',
        type: 'info',
        buttons: ['Restart', 'Later'],
        message: `Restart your app to get it\'s ${latest} version.`
      }, (response: number) => {
        log.info('showMessageBox:', response);
        if (response === 0) {
          autoUpdater.quitAndInstall();
        } else if (response === 1) {
          sendStatusToWindow('WILL_RESTART_LATER');
        }
      });
    }
  });
});