Method cancel

out/cli.cjs:10809–10817

* If the reader is active, behaves the same as ReadableStream.cancel | stream.cancel(reason).

(reason = void 0)

         * If the reader is active, behaves the same as {@link ReadableStream.cancel | stream.cancel(reason)}.
         */
        cancel(reason = void 0) {
          if (!IsReadableStreamDefaultReader(this)) {
            return promiseRejectedWith(defaultReaderBrandCheckException("cancel"));
          }
          if (this._ownerReadableStream === void 0) {
            return promiseRejectedWith(readerLockException("cancel"));
          }
          return ReadableStreamReaderGenericCancel(this, reason);
        }
        /**
         * Returns a promise that allows access to the next chunk from the stream's internal queue, if available.
         *