class MemoryLocalStorage {
  private readonly map = new Map<string, string>();

  get length(): number {
    return this.map.size;
  }

  clear(): void {
    this.map.clear();
  }

  getItem(key: string): string | null {
    return this.map.has(key) ? (this.map.get(key) ?? null) : null;
  }

  key(index: number): string | null {
    return Array.from(this.map.keys())[index] ?? null;
  }

  removeItem(key: string): void {
    this.map.delete(key);
  }

  setItem(key: string, value: string): void {
    this.map.set(key, value);
  }
}

if (typeof window === "undefined") {
  const storage = new MemoryLocalStorage();
  Object.defineProperty(globalThis, "window", {
    value: {
      localStorage: storage,
    },
    configurable: true,
    writable: true,
  });
}