Function applyStoredStemSelection

static/js/catalog.js:501–511

(track)

}

function applyStoredStemSelection(track) {
  const stored = track.selectedStems || track.stems || [];
  const next = stored.filter((name) => STEM_NAMES.includes(name));
  if (!next.length) return;
  selectedStems.clear();
  for (const name of next) selectedStems.add(name);
  saveSelectedStems();
  for (const btn of document.querySelectorAll(".stem-choice[data-stem]")) {
    btn.setAttribute("aria-pressed", String(selectedStems.has(btn.dataset.stem)));
  }
}

async function loadTrackIntoStudio(trackId) {
  let track = tracks[trackId];