Function startDrag

static/js/catalog.js:775–783

(trackId, itemEl, event)

}

function startDrag(trackId, itemEl, event) {
  dragId = trackId;
  if (event?.dataTransfer) {
    event.dataTransfer.effectAllowed = "copyMove";
    event.dataTransfer.setData(TRACK_DRAG_TYPE, trackId);
    event.dataTransfer.setData("text/plain", trackId);
  }
  itemEl.classList.add("dragging");
}

function endDrag(itemEl) {
  dragId = null;