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LibWeb: Add AO initialize_writable_stream()
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2 changed files with 25 additions and 0 deletions
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@ -1156,6 +1156,29 @@ bool readable_byte_stream_controller_should_call_pull(ReadableByteStreamControll
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return false;
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}
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// https://streams.spec.whatwg.org/#initialize-writable-stream
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void initialize_writable_stream(WritableStream& stream)
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{
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// 1. Set stream.[[state]] to "writable".
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stream.set_state(WritableStream::State::Writable);
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// 2. Set stream.[[storedError]], stream.[[writer]], stream.[[controller]], stream.[[inFlightWriteRequest]],
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// stream.[[closeRequest]], stream.[[inFlightCloseRequest]], and stream.[[pendingAbortRequest]] to undefined.
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stream.set_stored_error(JS::js_undefined());
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stream.set_writer({});
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stream.set_controller({});
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stream.set_in_flight_write_request({});
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stream.set_close_request({});
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stream.set_in_flight_close_request({});
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stream.set_pending_abort_request({});
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// 3. Set stream.[[writeRequests]] to a new empty list.
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stream.write_requests().clear();
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// 4. Set stream.[[backpressure]] to false.
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stream.set_backpressure(false);
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}
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// https://streams.spec.whatwg.org/#acquire-writable-stream-default-writer
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WebIDL::ExceptionOr<JS::NonnullGCPtr<WritableStreamDefaultWriter>> acquire_writable_stream_default_writer(WritableStream& stream)
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{
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