webstreams: native CompressionStream/DecompressionStream/TextEncoderStream/TextDecoderStream - #36695

Merged

Jarred-Sumner merged 41 commits into

mainfrom

claude/farm/cc1a3bf2/native-compression-text-streams

Aug 4, 2026

Commits on Aug 1, 2026

Commits on Aug 2, 2026

setUpNativeTransformStream: readableHighWaterMark=1 so the first write completes without a reader (Node/Chromium compat)
robobun
committed
9d11774
webstreams: native-sink output path for byte-producing TransformStream subclasses
robobun
committed
4cb3373
webstreams: utf-8 TextDecoderStream fast path, TextEncoderStream native-sink path, eager native-state release
robobun
committed
95e47f1
[autofix.ci] apply automated fixes
autofix-ci[bot]
authored
c97b498
address review: detach before sink onClose end(), drop scratch borrow across sink write, fatal/flushIntoSink test coverage
robobun
committed
8ead549
TextDecoderStream: store encoding label on the cell (.encoding was flipping to utf-8 after ClearAlgorithms); rsisBegin: attach native sink only after reader is acquired
robobun
committed
06e4324
native-sink backpressure: detect pending-JSPromise (JSController sinks), resolve m_nativeSinkReadyPromise from onReady regardless of m_waitingOnSink; clamp zlib avail_out to u32::MAX
robobun
committed
b212f15
test: CompressionStream -> native HTTP sink backpressure (pull source throttled while client stalls)
robobun
committed
1a08658
test: request-body -> DecompressionStream backpressure; req.clone().textStream() -> TextEncoderStream -> CompressionStream -> Response chain
robobun
committed
4c4f76b
CompressionStream: offload >128KB chunks to WorkPool via AnyTaskJob (pinned ArrayBuffer input); m_asyncCodecInFlight defers ClearAlgorithms; Bun__CompressionStream__deliverAsync sink/enqueue delive…
robobun
committed
e455f6c
test: cap compression backpressure TOTAL at 200 and gate streams.test.js heavy loops on isDebug||isASAN
robobun
committed
1be5fe0
split JSCompressionStream.cpp into JSCompressionStream / JSDecompressionStream / JSCompressionStreamShared per-class files
robobun
committed
e7d0bd1
CompressionStream async codec: dedicated WorkTask variant, single Strong via m_asyncCodecPromise WriteBarrier, reused output buffer
robobun
committed
8c455c0
test: cover Bun__CompressionStream__deliverAsync native-sink arm (>128KB chunk via Bun.serve)
robobun
committed
72daee1
[autofix.ci] apply automated fixes
autofix-ci[bot]
authored
58451a8
test: TextEncoderStream -> TextDecoderStream -> TextEncoderStream chain round-trip (buffer-reuse corruption guard)
robobun
committed
92b9b1a

Commits on Aug 4, 2026