worker.js

/*
 * notion-enhancer
 * (c) 2021 dragonwocky <thedragonring.bod@gmail.com> (https://dragonwocky.me/)
 * (https://notion-enhancer.github.io/) under the MIT license
 */

'use strict';

function focusMenu() {
  chrome.tabs.query({ windowId: chrome.windows.WINDOW_ID_CURRENT }, (tabs) => {
    const url = chrome.runtime.getURL('repo/menu/menu.html'),
      menu = tabs.find((tab) => tab.url.startsWith(url));
    if (menu) {
      chrome.tabs.highlight({ 'tabs': menu.index });
    } else chrome.tabs.create({ url });
  });
}
chrome.browserAction.onClicked.addListener(focusMenu);

function focusNotion() {
  chrome.tabs.query({ windowId: chrome.windows.WINDOW_ID_CURRENT }, (tabs) => {
    const notion = tabs.find((tab) => {
      const url = new URL(tab.url),
        matches = url.host.endsWith('.notion.so') || url.host.endsWith('.notion.site');
      return matches;
    });
    if (notion) {
      chrome.tabs.highlight({ 'tabs': notion.index });
    } else chrome.tabs.create({ url: 'https://notion.so/' });
  });
}

function reload() {
  chrome.tabs.query({ windowId: chrome.windows.WINDOW_ID_CURRENT }, (tabs) => {
    const menu = chrome.runtime.getURL('repo/menu/menu.html');
    tabs.forEach((tab) => {
      const url = new URL(tab.url),
        matches =
          url.host.endsWith('.notion.so') ||
          url.host.endsWith('.notion.site') ||
          tab.url.startsWith(menu);
      if (matches) chrome.tabs.reload(tab.id);
    });
  });
}

chrome.runtime.onMessage.addListener((request, sender, sendResponse) => {
  switch (request.action) {
    case 'focusMenu':
      focusMenu();
      break;
    case 'focusNotion':
      focusNotion();
      break;
    case 'reload':
      reload();
      break;
  }
  return true;
});