msw/lib/core/HttpResponse.mjs

Seamless REST/GraphQL API mocking library for browser and Node.js.

import { FetchResponse } from "@mswjs/interceptors";
import {
  decorateResponse,
  normalizeResponseInit
} from './utils/HttpResponse/decorators.mjs';
const bodyType = Symbol("bodyType");
class HttpResponse extends FetchResponse {
  [bodyType] = null;
  constructor(body, init) {
    const responseInit = normalizeResponseInit(init);
    super(body, responseInit);
    decorateResponse(this, responseInit);
  }
  static error() {
    return super.error();
  }
  /**
   * Create a `Response` with a `Content-Type: "text/plain"` body.
   * @example
   * HttpResponse.text('hello world')
   * HttpResponse.text('Error', { status: 500 })
   */
  static text(body, init) {
    const responseInit = normalizeResponseInit(init);
    if (!responseInit.headers.has("Content-Type")) {
      responseInit.headers.set("Content-Type", "text/plain");
    }
    if (!responseInit.headers.has("Content-Length")) {
      responseInit.headers.set(
        "Content-Length",
        body ? new Blob([body]).size.toString() : "0"
      );
    }
    return new HttpResponse(body, responseInit);
  }
  /**
   * Create a `Response` with a `Content-Type: "application/json"` body.
   * @example
   * HttpResponse.json({ firstName: 'John' })
   * HttpResponse.json({ error: 'Not Authorized' }, { status: 401 })
   */
  static json(body, init) {
    const responseInit = normalizeResponseInit(init);
    if (!responseInit.headers.has("Content-Type")) {
      responseInit.headers.set("Content-Type", "application/json");
    }
    const responseText = JSON.stringify(body);
    if (!responseInit.headers.has("Content-Length")) {
      responseInit.headers.set(
        "Content-Length",
        responseText ? new Blob([responseText]).size.toString() : "0"
      );
    }
    return new HttpResponse(responseText, responseInit);
  }
  /**
   * Create a `Response` with a `Content-Type: "application/xml"` body.
   * @example
   * HttpResponse.xml(`<user name="John" />`)
   * HttpResponse.xml(`<article id="abc-123" />`, { status: 201 })
   */
  static xml(body, init) {
    const responseInit = normalizeResponseInit(init);
    if (!responseInit.headers.has("Content-Type")) {
      responseInit.headers.set("Content-Type", "text/xml");
    }
    return new HttpResponse(body, responseInit);
  }
  /**
   * Create a `Response` with a `Content-Type: "text/html"` body.
   * @example
   * HttpResponse.html(`<p class="author">Jane Doe</p>`)
   * HttpResponse.html(`<main id="abc-123">Main text</main>`, { status: 201 })
   */
  static html(body, init) {
    const responseInit = normalizeResponseInit(init);
    if (!responseInit.headers.has("Content-Type")) {
      responseInit.headers.set("Content-Type", "text/html");
    }
    return new HttpResponse(body, responseInit);
  }
  /**
   * Create a `Response` with an `ArrayBuffer` body.
   * @example
   * const buffer = new ArrayBuffer(3)
   * const view = new Uint8Array(buffer)
   * view.set([1, 2, 3])
   *
   * HttpResponse.arrayBuffer(buffer)
   */
  static arrayBuffer(body, init) {
    const responseInit = normalizeResponseInit(init);
    if (!responseInit.headers.has("Content-Type")) {
      responseInit.headers.set("Content-Type", "application/octet-stream");
    }
    if (body && !responseInit.headers.has("Content-Length")) {
      responseInit.headers.set("Content-Length", body.byteLength.toString());
    }
    return new HttpResponse(body, responseInit);
  }
  /**
   * Create a `Response` with a `FormData` body.
   * @example
   * const data = new FormData()
   * data.set('name', 'Alice')
   *
   * HttpResponse.formData(data)
   */
  static formData(body, init) {
    return new HttpResponse(body, normalizeResponseInit(init));
  }
}
export {
  HttpResponse,
  bodyType
};
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