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Explicitly set highWaterMark
to 0 for ReadableStream
#24641
Conversation
This is because not all streaming implementations respect the default behavior of settings highWaterMark to 0 for byte streams. Being explicit guarantees the intended behavior across runtimes.
Comparing: 1328ff7...fff3966 Critical size changesIncludes critical production bundles, as well as any change greater than 2%:
Significant size changesIncludes any change greater than 0.2%: (No significant changes) |
You're getting failed tests due the |
Ahh, Flow doesn't like any queuingStrategy without a I've updated with I tried implementing https://developer.mozilla.org/en-US/docs/Web/API/ByteLengthQueuingStrategy but Flow doesn't seem to recognize that as a valid thing, either. |
Summary: This sync includes the following changes: - **[dd4950c90](facebook/react@dd4950c90 )**: [Flight] Implement useId hook ([#24172](facebook/react#24172)) //<Josh Story>// - **[26a5b3c7f](facebook/react@26a5b3c7f )**: Explicitly set `highWaterMark` to 0 for `ReadableStream` ([#24641](facebook/react#24641)) //<Josh Larson>// - **[aec575914](facebook/react@aec575914 )**: [Fizz] Send errors down to client ([#24551](facebook/react#24551)) //<Josh Story>// - **[a2766387e](facebook/react@a2766387e )**: [Fizz] Improve text separator byte efficiency ([#24630](facebook/react#24630)) //<Josh Story>// - **[f7860538a](facebook/react@f7860538a )**: Fix typo in useSyncExternalStore main entry point error ([#24631](facebook/react#24631)) //<François Chalifour>// - **[1bed20731](facebook/react@1bed20731 )**: Add a module map option to the Webpack Flight Client ([#24629](facebook/react#24629)) //<Sebastian Markbåge>// - **[b2763d3ea](facebook/react@b2763d3ea )**: Move hydration code out of normal Suspense path ([#24532](facebook/react#24532)) //<Andrew Clark>// - **[357a61324](facebook/react@357a61324 )**: [DevTools][Transition Tracing] Added support for Suspense Boundaries ([#23365](facebook/react#23365)) //<Luna Ruan>// - **[2c8a1452b](facebook/react@2c8a1452b )**: Fix ignored setState in Safari when iframe is touched ([#24459](facebook/react#24459)) //<dan>// - **[62662633d](facebook/react@62662633d )**: Remove enableFlipOffscreenUnhideOrder ([#24545](facebook/react#24545)) //<Ricky>// - **[34da5aa69](facebook/react@34da5aa69 )**: Only treat updates to lazy as a new mount in legacy mode ([#24530](facebook/react#24530)) //<Ricky>// - **[46a6d77e3](facebook/react@46a6d77e3 )**: Unify JSResourceReference Interfaces ([#24507](facebook/react#24507)) //<Timothy Yung>// - **[6cbf0f7fa](facebook/react@6cbf0f7fa )**: Fork ReactSymbols ([#24484](facebook/react#24484)) //<Ricky>// - **[a10a9a6b5](facebook/react@a10a9a6b5 )**: Add test for hiding children after layout destroy ([#24483](facebook/react#24483)) //<Ricky>// - **[b4eb0ad71](facebook/react@b4eb0ad71 )**: Do not replay erroring beginWork with invokeGuardedCallback when suspended or previously errored ([#24480](facebook/react#24480)) //<Josh Story>// - **[99eef9e2d](facebook/react@99eef9e2d )**: Hide children of Offscreen after destroy effects ([#24446](facebook/react#24446)) //<Ricky>// - **[ce1386028](facebook/react@ce1386028 )**: Remove enablePersistentOffscreenHostContainer flag ([#24460](facebook/react#24460)) //<Andrew Clark>// - **[72b7462fe](facebook/react@72b7462fe )**: Bump local package.json versions for 18.1 release ([#24447](facebook/react#24447)) //<Andrew Clark>// - **[22edb9f77](facebook/react@22edb9f77 )**: React `version` field should match package.json ([#24445](facebook/react#24445)) //<Andrew Clark>// - **[6bf3deef5](facebook/react@6bf3deef5 )**: Upgrade react-shallow-renderer to support react 18 ([#24442](facebook/react#24442)) //<Michael サイトー 中村 Bashurov>// Changelog: [General][Changed] - React Native sync for revisions bd4784c...d300ceb jest_e2e[run_all_tests] Reviewed By: cortinico, kacieb Differential Revision: D36874368 fbshipit-source-id: c0ee015f4ef2fa56e57f7a1f6bc37dd05c949877
Summary
This is because not all streaming implementations (e.g. Cloudflare) respect the default behavior of settings
highWaterMark
to 0 for byte streams: 75662d6Related Hydrogen bug: Shopify/hydrogen#1383
Being explicit guarantees the intended behavior across runtimes. I've contacted Cloudflare, and they are working on fixing this in their implementation in the meantime.
How did you test this change?
highWaterMark
manually in the compiled source code