Typescript LocalStorage Mock

localStorageMock.ts

const localStorageMock = (() => {
  let store: IDict = {};

  return {
    getItem(key: any) {
      return store[key] || null;
    },
    setItem(key: any, value: any) {
      store[key] = value.toString();
    },
    removeItem(key: any) {
      delete store[key];
    },
    clear() {
      store = {};
    },
  };
})();

Object.defineProperty(window, "localStorage", {
  value: localStorageMock,
});