Method abort

examples/io/streams/modules/streams.js:2194–2201

(reason)

		return IsWritableStreamLocked(stream);
	}
	abort(reason) {
		const stream = WritableStreamBrand.get(this);
		if (!stream)
			return Promise.reject(new TypeError("stream locked"));
		if (IsWritableStreamLocked(stream))
			return Promise.reject(new TypeError("stream locked"));
		return WritableStreamAbort(stream, reason);
	}
	close() {
		const stream = WritableStreamBrand.get(this);
		if (IsWritableStreamLocked(stream))