[Fizz] Switch the isPrimaryRender flag based on the stream config#21357
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It's possible for Fizz and Fiber to co-exist for example. If they both end up using the same context field then that can clash. It's also possible for e.g. DOM and ART to co-exist on the server. Or Legacy Fizz DOM and Modern Fizz DOM. Instead of protecting against every possible clash, I just took the most common one. E.g. renderToString clashing with either Fiber or Modern Fizz. I flip it in the legacy stream config.
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Summary: This sync includes the following changes: - **[9a25916](react/react@9a2591681 )**: Fix export //<Sebastian Markbage>// - **[4a8deb0](react/react@4a8deb083 )**: Switch the isPrimaryRender flag based on the stream config ([#21357](react/react#21357)) //<Sebastian Markbåge>// - **[bd4f056](react/react@bd4f056a3 )**: [Fizz] Implement lazy components and nodes ([#21355](react/react#21355)) //<Sebastian Markbåge>// - **[fc33f12](react/react@fc33f12bd )**: Remove unstable scheduler/tracing API ([#20037](react/react#20037)) //<Brian Vaughn>// - **[7212383](react/react@721238394 )**: Enable strict effects mode for React Native Facebook builds ([#21354](react/react#21354)) //<Brian Vaughn>// - **[4874042](react/react@48740429b )**: Expiration: Do nothing except disable time slicing ([#21345](react/react#21345)) //<Andrew Clark>// - **[0f5ebf3](react/react@0f5ebf366 )**: Delete unreferenced type ([#21343](react/react#21343)) //<Andrew Clark>// - **[9cd52b2](react/react@9cd52b27f )**: Restore context after an error happens ([#21341](react/react#21341)) //<Sebastian Markbåge>// - **[ad09175](react/react@ad091759a )**: Revert "Emit reactroot attribute on the first element we discover ([#21154](react/react#21154))" ([#21340](react/react#21340)) //<Sebastian Markbåge>// - **[709f948](react/react@709f94841 )**: [Fizz] Add FB specific streaming API and build ([#21337](react/react#21337)) //<Sebastian Markbåge>// - **[e8cdce4](react/react@e8cdce40d )**: Don't flush sync at end of discreteUpdates ([#21327](react/react#21327)) //<Andrew Clark>// - **[a155860](react/react@a15586001 )**: Fix: Don't flush discrete at end of batchedUpdates ([#21229](react/react#21229)) //<Andrew Clark>// - **[89847bf](react/react@89847bf6e )**: Continuous updates should interrupt transitions ([#21323](react/react#21323)) //<Andrew Clark>// - **[ef37d55](react/react@ef37d55b6 )**: Use performConcurrentWorkOnRoot for "sync default" ([#21322](react/react#21322)) //<Andrew Clark>// Changelog: [General][Changed] - React Native sync for revisions a632f7d...2a7bb41 jest_e2e[run_all_tests] Reviewed By: JoshuaGross Differential Revision: D28063006 fbshipit-source-id: 7e3535f80961706863b6c2188ee44b5796b2f000
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It's possible for Fizz and Fiber to co-exist for example. If they both end up using the same context field then that can clash.
It's also possible for e.g. DOM and ART to co-exist on the server.
Or Legacy Fizz DOM and Modern Fizz DOM.
Instead of protecting against every possible clash, I just took the most common one. E.g. renderToString clashing with either Fiber or Modern Fizz.
I flip it in the legacy stream config so that renderToString use the secondary Context fields. #21276