Function saveFolderColor

public/js/folderManager.js:1250–1269

(folder, colorHexOrEmpty)

}

async function saveFolderColor(folder, colorHexOrEmpty) {
  const res = await fetch('/api/folder/saveFolderColor.php', {
    method: 'POST', credentials: 'include',
    headers: { 'Content-Type': 'application/json', 'X-CSRF-Token': window.csrfToken },
    body: JSON.stringify({ folder, color: colorHexOrEmpty })
  });
  const data = await res.json().catch(() => ({}));
  if (!res.ok || data.error) throw new Error(data.error || `HTTP ${res.status}`);
  // update local map & apply
  if (data.color) window.folderColorMap[folder] = data.color;
  else delete window.folderColorMap[folder];
  applyFolderColorToOption(folder, data.color || '');

  //  notify other views (fileListView's strip)
  window.dispatchEvent(new CustomEvent('folderColorChanged', {
    detail: { folder, color: data.color || '' }
  }));

  return data;
}

async function loadFolderColors() {
  if (window.__FR_COLORS_PROMISE) return window.__FR_COLORS_PROMISE;