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It is intended as a cookie middleware for Cloudflare Workers,\n * and perhaps some other uses.\n */\nexport class RequestCookieStore implements CookieStore {\n  #origin: URL | null;\n  #map: Map<string, string> = new Map();\n  #changes: Map<string, string[][]> = new Map();\n\n  constructor(request: Request) {\n    const origin = request.headers.get('origin');\n    const cookie = request.headers.get('cookie');\n    this.#origin = (origin && new URL(origin)) || null;\n    this.#map = parseCookieHeader(cookie);\n  }\n\n  get(name?: string): Promise<CookieListItem | null>;\n  get(options?: CookieStoreGetOptions): Promise<CookieListItem | null>;\n  async get(options?: string | CookieStoreGetOptions) {\n    // FIXME\n    if (typeof options !== 'string') throw Error('Overload not implemented.');\n\n    return this.#map.has(options)\n      ? { name: options, value: <string>this.#map.get(options) }\n      : null;\n  }\n\n  getAll(name?: string): Promise<CookieList>;\n  getAll(options?: CookieStoreGetOptions): Promise<CookieList>;\n  async getAll(options?: string | CookieStoreGetOptions) {\n    // FIXME\n    if (options != null) throw Error('Overload not implemented.');\n\n    return [...this.#map.entries()].map(([name, value]) => ({ name, value }))\n  }\n\n  set(name: string, value: string): Promise<void>;\n  set(options: CookieInit): Promise<void>;\n  async set(options: string | CookieInit, value?: string) {\n    const result = setCookie(options, value, this.#origin);\n    if (!result) return;\n\n    const [attributes, expires] = result;\n    const [[name, val]] = attributes;\n    this.#changes.set(name, attributes);\n\n    if (expires && expires < new Date())\n      this.#map.delete(name);\n    else\n      this.#map.set(name, val);\n  }\n\n  delete(name: string): Promise<void>;\n  delete(options: CookieStoreDeleteOptions): Promise<void>;\n  async delete(options: string | CookieStoreDeleteOptions) {\n    // FIXME\n    if (typeof options !== 'string') throw Error('Overload not implemented.');\n\n    const expires = new Date(0);\n    const value = '';\n    const sameSite = 'strict';\n    this.set({ name: options, expires, value, sameSite });\n  }\n\n  /** \n   * Exports the recorded changes to this store as a list of  `Set-Cookie` headers.\n   * \n   * Can be passed as the `headers` field when building a new `Response`:\n   * ```ts\n   * new Response(body, { headers: cookieStore.headers })\n   * ```\n   */\n  get headers(): Iterable<[string, string]> {\n    const headers: [string, string][] = [];\n    for (const attrs of this.#changes.values()) {\n      headers.push(['Set-Cookie', attrsToSetCookie(attrs)]);\n    }\n    return headers;\n  }\n\n  /** Exports the entire cookie store as a `cookie` header string */\n  toCookieString() {\n    return [...this.#map.entries()].map(x => x.join('=')).join('; ');\n  }\n\n  /** Helper to turn a single `CookieInit` into a `set-cookie` string. \n   * @deprecated Might remove/change name */\n  static toSetCookie(cookie: CookieInit): string {\n    const x = setCookie(cookie);\n    return x ? attrsToSetCookie(x[0]) : '';\n  }\n\n  addEventListener(\n    type: string,\n    listener: EventListenerOrEventListenerObject,\n    options?: boolean | AddEventListenerOptions\n  ): void {\n    throw new Error(\"Method not implemented.\")\n  }\n  dispatchEvent(event: Event): boolean {\n    throw new Error(\"Method not implemented.\")\n  }\n  removeEventListener(\n    type: string,\n    callback: EventListenerOrEventListenerObject,\n    options?: boolean | EventListenerOptions\n  ): void {\n    throw new Error(\"Method not implemented.\")\n  }\n}\n\nexport * from 'cookie-store-interface';\n"]}