Function ensureLocalStorage

tests/unit/chatLayoutHooks.dom.test.ts:55–73

()

// Provide a working localStorage mock if the environment lacks one
function ensureLocalStorage() {
  if (typeof globalThis.localStorage === 'undefined' || typeof globalThis.localStorage.getItem !== 'function') {
    const store = new Map<string, string>();
    const mock = {
      getItem: (key: string) => store.get(key) ?? null,
      setItem: (key: string, value: string) => store.set(key, String(value)),
      removeItem: (key: string) => store.delete(key),
      clear: () => store.clear(),
      get length() {
        return store.size;
      },
      key: (index: number) => [...store.keys()][index] ?? null,
    };
    Object.defineProperty(globalThis, 'localStorage', { value: mock, writable: true });
    if (typeof window !== 'undefined') {
      Object.defineProperty(window, 'localStorage', { value: mock, writable: true });
    }
  }
}
ensureLocalStorage();

// Import hooks after mocks are set up