phanpy/src/components/columns.jsx

import { useHotkeys } from 'react-hotkeys-hook';
import { useSnapshot } from 'valtio';

import Bookmarks from '../pages/bookmarks';
import Favourites from '../pages/favourites';
import Following from '../pages/following';
import Hashtag from '../pages/hashtag';
import List from '../pages/list';
import Mentions from '../pages/mentions';
import Notifications from '../pages/notifications';
import Public from '../pages/public';
import states from '../utils/states';
import useTitle from '../utils/useTitle';

function Columns() {
  useTitle('Home', '/');
  const snapStates = useSnapshot(states);
  const { shortcuts } = snapStates;

  const components = shortcuts.map((shortcut) => {
    if (!shortcut) return null;
    const { type, ...params } = shortcut;
    const Component = {
      following: Following,
      notifications: Notifications,
      list: List,
      public: Public,
      bookmarks: Bookmarks,
      favourites: Favourites,
      hashtag: Hashtag,
      mentions: Mentions,
    }[type];
    if (!Component) return null;
    return <Component {...params} />;
  });

  useHotkeys(['1', '2', '3', '4', '5', '6', '7', '8', '9'], (e, handler) => {
    try {
      const index = parseInt(handler.keys[0], 10) - 1;
      document.querySelectorAll('#columns > *')[index].focus();
    } catch (e) {
      console.error(e);
    }
  });

  return <div id="columns">{components}</div>;
}

export default Columns;