hyper/notify.js

const { app, BrowserWindow } = require('electron');
const isDev = require('electron-is-dev');
const { resolve } = require('path');

let win;

// the hack of all hacks
// electron doesn't have a built in notification thing,
// so we launch a window on which we can use the
// HTML5 `Notification` API :'(

let buffer = [];

app.on('ready', () => {
  const win_ = new BrowserWindow({
    show: false
  });
  const url = 'file://' + resolve(
    isDev ? __dirname : app.getAppPath(),
    'notify.html'
  );
  win_.loadURL(url);
  win_.webContents.on('dom-ready', () => {
    win = win_;
    buffer.forEach(([title, body]) => {
      notify(title, body);
    });
    buffer = null;
  });
});

function notify (title, body) {
  if (win) {
    win.webContents.send('notification', { title, body });
  } else {
    buffer.push([title, body]);
  }
}

module.exports = notify;