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LibWeb: Use DefaultReader request in read_all_chunks instead of ReadLoop

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ReadLoop requests require the chunks to be Uint8Array objects, however,
TextEncoderStream requires a String (Convertible) value. This is fixed
by implementing read_all_chunks as a loop of DefaultReader requests
instead, which is an identity transformation. This should be okay to
do, as stream chunk steps expect a JS::Value, and convert it to the
type they want.
This commit is contained in:
Luke Wilde 2025-02-06 16:28:40 +00:00 • committed by Tim Flynn
parent 187f8c5460
commit c14d5f27f9
Notes: github-actions[bot] 2025-02-07 16:06:06 +00:00
3 changed files with 43 additions and 16 deletions
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7
Libraries/LibWeb/Streams/AbstractOperations.cpp
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@ -353,15 +353,12 @@ GC::Ref<WebIDL::Promise> readable_stream_pipe_to(ReadableStream& source, Writabl
// FIXME: Currently a naive implementation that uses ReadableStreamDefaultReader::read_all_chunks() to read all chunks
// from the source and then through the callback success_steps writes those chunks to the destination.
auto chunk_steps = GC::create_function(realm.heap(), [&realm, writer](ByteBuffer buffer) {
auto array_buffer = JS::ArrayBuffer::create(realm, move(buffer));
auto chunk = JS::Uint8Array::create(realm, array_buffer->byte_length(), *array_buffer);
auto chunk_steps = GC::create_function(realm.heap(), [&realm, writer](JS::Value chunk) {
auto promise = writable_stream_default_writer_write(writer, chunk);
WebIDL::resolve_promise(realm, promise, JS::js_undefined());
});
auto success_steps = GC::create_function(realm.heap(), [promise, &realm, reader, writer](ByteBuffer) {
auto success_steps = GC::create_function(realm.heap(), [promise, &realm, reader, writer]() {
// Make sure we close the acquired writer.
WebIDL::resolve_promise(realm, writable_stream_default_writer_close(*writer), JS::js_undefined());
readable_stream_default_reader_release(*reader);