Method getReader

lib/internal/webstreams/readablestream.js:363–377

* @param {{ * mode? : "byob" * }} [options] * @returns {ReadableStreamReader}

(options = kEmptyObject)

   * @returns {ReadableStreamReader}
   */
  getReader(options = kEmptyObject) {
    if (!isReadableStream(this))
      throw new ERR_INVALID_THIS('ReadableStream');
    validateObject(options, 'options', kValidateObjectAllowObjectsAndNull);
    const mode = options?.mode;

    if (mode === undefined)
      // eslint-disable-next-line no-use-before-define
      return new ReadableStreamDefaultReader(this);

    if (`${mode}` !== 'byob')
      throw new ERR_INVALID_ARG_VALUE('options.mode', mode);
    // eslint-disable-next-line no-use-before-define
    return new ReadableStreamBYOBReader(this);
  }

  /**
   * @param {ReadableWritablePair} transform