youtube-music/plugins/notifications/back.js

const { Notification } = require('electron');
const is = require('electron-is');

const { notificationImage } = require('./utils');
const config = require('./config');

const registerCallback = require('../../providers/song-info');

const notify = (info) => {
  // Fill the notification with content
  const notification = {
    title: info.title || 'Playing',
    body: info.artist,
    icon: notificationImage(info),
    silent: true,
    urgency: config.get('urgency'),
  };

  // Send the notification
  const currentNotification = new Notification(notification);
  currentNotification.show();

  return currentNotification;
};

const setup = () => {
  let oldNotification;
  let currentUrl;

  registerCallback((songInfo) => {
    if (!songInfo.isPaused && (songInfo.url !== currentUrl || config.get('unpauseNotification'))) {
      // Close the old notification
      oldNotification?.close();
      currentUrl = songInfo.url;
      // This fixes a weird bug that would cause the notification to be updated instead of showing
      setTimeout(() => {
        oldNotification = notify(songInfo);
      }, 10);
    }
  });
};

/** @param {Electron.BrowserWindow} win */
module.exports = (win, options) => {
  // Register the callback for new song information
  is.windows() && options.interactive
    ? require('./interactive')(win)
    : setup();
};