@nent/core/dist/collection/components/n-audio/services/tracks.js

Functional elements to add routing, data-binding, dynamic HTML, declarative actions, audio, video, and so much more. Supercharge static HTML files into web apps without script or builds.

/*!
 * NENT 2022
 */
import { Mutex } from '../../../services/common/mutex';
import { getDataProvider } from '../../../services/data/factory';
import { InMemoryProvider } from '../../../services/data/providers/memory';
const tracksKey = 'tracks';
const sessionFallback = new InMemoryProvider();
const collectionMutex = new Mutex();
function parseTracks(tracks) {
  return JSON.parse(tracks || '[]');
}
function stringifyTracks(tracks) {
  return JSON.stringify(tracks || '[]');
}
export async function getSessionTracks() {
  const unlock = await collectionMutex.lock();
  var provider = (await getDataProvider('session')) || sessionFallback;
  const tracks = await provider.get(tracksKey);
  unlock();
  return tracks ? parseTracks(tracks) : [];
}
export async function setSessionTracks(tracks) {
  return await collectionMutex.dispatch(async () => {
    const provider = ((await getDataProvider('session')) ||
      sessionFallback);
    await provider.set(tracksKey, stringifyTracks(tracks));
  });
}
export async function playedTrack(trackId) {
  const tracks = await getSessionTracks();
  return tracks.includes(trackId);
}
export async function markTrack(trackId) {
  const tracks = await getSessionTracks();
  if (tracks.includes(trackId))
    return;
  tracks.push(trackId);
  await setSessionTracks(tracks);
}
export async function clearTracks() {
  await setSessionTracks([]);
}