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import { ServerPlatform } from "./platform.ts";
/** * Wraps the platform specific context object with a standard interface */export class ContextAccessor {  #context: unknown;  #platform: ServerPlatform;  constructor(context: unknown, platform: ServerPlatform) {    this.#context = context;    this.#platform = platform;  }
  /**   * Get the underlying platform context object   */  getContext() {    return this.#context;  }
  /**   * Get the requested URL   */  async getUrl() {    return (await this.#platform.getContextItem("url", this.#context)) as URL;  }
  /**   * Get the underlying platform request object   */  async getRequest() {    return await this.#platform.getContextItem("request", this.#context);  }
  /**   * Get the underlying platform response object   */  async getResponse() {    return await this.#platform.getContextItem("response", this.#context);  }
  /**   * Get the request body   */  async getBody(): Promise<unknown>;  /**   * Get a field from the request body   */  async getBody(name: string | undefined): Promise<unknown>;  async getBody(name?: string) {    return await this.#platform.getContextItem("body", this.#context, name);  }
  /**   * Set the response body   */  async setBody(value: unknown) {    await this.#platform.setContextItem("body", this.#context, value);  }
  /**   * Get a parameter from the requested route   */  async getParameter(name: string) {    return (await this.#platform.getContextItem(      "parameter",      this.#context,      name,    )) as string;  }
  /**   * Get an item from the request query string   */  async getQuery(name: string) {    return (await this.#platform.getContextItem(      "query",      this.#context,      name,    )) as string;  }
  /**   * Get a cookie from the request   */  async getCookie(name: string) {    return (await this.#platform.getContextItem(      "cookie",      this.#context,      name,    )) as string;  }
  /**   * Get a state item from the context   */  async getState(name: string) {    return await this.#platform.getContextItem("state", this.#context, name);  }
  /**   * Get a request state item from the context   */  async getRequestState(name: string) {    return await this.#platform.getContextItem(      "requestState",      this.#context,      name,    );  }
  /**   * Set a cookie on the response   */  async setCookie(name: string, value: string, options?: unknown) {    await this.#platform.setContextItem(      "cookie",      this.#context,      value,      name,      options,    );  }
  /**   * Get the value of a request header   */  async getHeader(name: string) {    return (await this.#platform.getContextItem(      "header",      this.#context,      name,    )) as string;  }
  /**   * Set a header on the response   */  async setHeader(name: string, value: string) {    await this.#platform.setContextItem("header", this.#context, value, name);  }
  /**   * Set a status code on the response   */  async setStatus(status: number) {    await this.#platform.setContextItem("status", this.#context, status);  }
  /**   * Set a state item on the context   */  async setState(name: string, value: unknown) {    await this.#platform.setContextItem("state", this.#context, value, name);  }
  /**   * Set a request state item on the context   */  async setRequestState(name: string, value: unknown) {    await this.#platform.setContextItem(      "requestState",      this.#context,      value,      name,    );  }
  /**   * Set a file as a response   */  async sendFile(path: string) {    await this.#platform.sendFile(this.#context, path);  }}