Function getPaneKeyForElement

public/js/fileListView.js:1815–1820

(el)

}

function getPaneKeyForElement(el) {
  const pane = el && el.closest ? el.closest('.file-list-pane') : null;
  if (pane && pane.classList.contains('secondary-pane')) return 'secondary';
  if (pane && pane.classList.contains('primary-pane')) return 'primary';
  return normalizePaneKey(window.activePane);
}

function getPaneSourceIdForElement(el) {
  return getPaneSourceId(getPaneKeyForElement(el));