Function initStoreFromUrlOrLocalStorage

compiler/apps/playground/lib/stores/store.ts:56–77

()

 * localStorage. Throw an error if Store is malformed.
 */
export function initStoreFromUrlOrLocalStorage(): Store {
  const encodedSourceFromUrl = location.hash.slice(1);
  const encodedSourceFromLocal = localStorage.getItem('playgroundStore');
  const encodedSource = encodedSourceFromUrl || encodedSourceFromLocal;

  /**
   * No data in the URL and no data in the localStorage to fallback to.
   * Initialize with the default store.
   */
  if (!encodedSource) return defaultStore;

  const raw: any = decodeStore(encodedSource);

  invariant(isValidStore(raw), 'Invalid Store');

  // Make sure all properties are populated
  return {
    source: raw.source,
    config: 'config' in raw && raw['config'] ? raw.config : defaultConfig,
    showInternals: 'showInternals' in raw ? raw.showInternals : false,
  };
}