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Fix false positive hydration warnings #23364

Merged
merged 2 commits into from
Feb 25, 2022
Merged

Fix false positive hydration warnings #23364

merged 2 commits into from
Feb 25, 2022

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acdlite
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@acdlite acdlite commented Feb 25, 2022

When something suspends during hydration, we continue rendering the siblings to warm up the cache and fire off any lazy network requests. However, if there are any mismatches while rendering the siblings, it's likely a false positive caused by the earlier suspended component. So we should suppress any hydration warnings until the tree no longer suspends.

Fixes #23332

@facebook-github-bot facebook-github-bot added CLA Signed React Core Team Opened by a member of the React Core Team labels Feb 25, 2022
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sizebot commented Feb 25, 2022 •
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Comparing: 5d08a24...be112b2

Critical size changes

Includes critical production bundles, as well as any change greater than 2%:

Name +/- Base Current +/- gzip Base gzip Current gzip
oss-stable/react-dom/cjs/react-dom.production.min.js = 131.32 kB 131.31 kB = 42.01 kB 42.00 kB
oss-experimental/react-dom/cjs/react-dom.production.min.js = 136.15 kB 136.13 kB = 43.43 kB 43.42 kB
facebook-www/ReactDOM-prod.classic.js = 434.32 kB 434.11 kB = 79.42 kB 79.40 kB
facebook-www/ReactDOM-prod.modern.js = 421.06 kB 420.61 kB = 77.41 kB 77.37 kB
facebook-www/ReactDOMForked-prod.classic.js = 434.32 kB 434.11 kB = 79.42 kB 79.40 kB

Significant size changes

Includes any change greater than 0.2%:

(No significant changes)

Generated by 🚫 dangerJS against be112b2

@acdlite
Don't warn on hydration mismatch if suspended
be112b2 
When something suspends during hydration, we continue rendering the
siblings to warm up the cache and fire off any lazy network requests.
However, if there are any mismatches while rendering the siblings, it's
likely a false positive caused by the earlier suspended component. So
we should suppress any hydration warnings until the tree no
longer suspends.

Fixes facebook#23332
@acdlite acdlite force-pushed the fix-false-positive-hydration-warnings branch from 67dd1a2 to be112b2 Compare February 25, 2022 22:24
@acdlite acdlite merged commit f468816 into facebook:main Feb 25, 2022
This was referenced Feb 25, 2022
Closed
Closed
facebook-github-bot pushed a commit to facebook/react-native that referenced this pull request Mar 1, 2022
@kacieb @facebook-github-bot
React Native sync for revisions 4de99b3...1780659
6a4e905 
Summary:
This sync includes the following changes:
- **[17806594c](facebook/react@17806594c )**: Move createRoot/hydrateRoot to react-dom/client ([#23385](facebook/react#23385)) //<Sebastian Markbåge>//
- **[75662d6a7](facebook/react@75662d6a7 )**: Remove hacky stream.locked check, declare as byte stream instead ([#23387](facebook/react#23387)) //<Sebastian Markbåge>//
- **[a82ef6d40](facebook/react@a82ef6d40 )**: Add back skipUnmountedBoundaries flag only for www ([#23383](facebook/react#23383)) //<Andrew Clark>//
- **[f468816ef](facebook/react@f468816ef )**: Fix false positive hydration warnings ([#23364](facebook/react#23364)) //<Andrew Clark>//
- **[5d08a24c2](facebook/react@5d08a24c2 )**: useId: Use 'H' to separate main id from hook index ([#23363](facebook/react#23363)) //<Andrew Clark>//
- **[3a60844a0](facebook/react@3a60844a0 )**: Update error message for suspending at sync priority ([#23361](facebook/react#23361)) //<Andrew Clark>//
- **[efe4121ee](facebook/react@efe4121ee )**: Add : to beginning and end of every useId ([#23360](facebook/react#23360)) //<Andrew Clark>//
- **[42f15b324](facebook/react@42f15b324 )**: [DevTools][Transition Tracing] onTransitionComplete and onTransitionStart implmentation ([#23313](facebook/react#23313)) //<Luna Ruan>//
- **[a5b22155c](facebook/react@a5b22155c )**: Warn if renderSubtreeIntoContainer is called ([#23355](facebook/react#23355)) //<Andrew Clark>//
- **[52c393b5d](facebook/react@52c393b5d )**: Revert to client render on text mismatch ([#23354](facebook/react#23354)) //<Andrew Clark>//
- **[1ad8d8129](facebook/react@1ad8d8129 )**: Remove object-assign polyfill ([#23351](facebook/react#23351)) //<Sebastian Markbåge>//
- **[b3f3da205](facebook/react@b3f3da205 )**: Land warnOnSubscriptionInsideStartTransition flag ([#23353](facebook/react#23353)) //<Andrew Clark>//
- **[990098f88](facebook/react@990098f88 )**: Re-arrange main ReactFeatureFlags module ([#23350](facebook/react#23350)) //<Andrew Clark>//
- **[1f3f6db73](facebook/react@1f3f6db73 )**: Remove createMutableSource from stable exports ([#23352](facebook/react#23352)) //<Andrew Clark>//
- **[587e75930](facebook/react@587e75930 )**: Remove Numeric Fallback of Symbols ([#23348](facebook/react#23348)) //<Sebastian Markbåge>//
- **[40351575d](facebook/react@40351575d )**: Split writeChunk into void and return value ([#23343](facebook/react#23343)) //<Sebastian Markbåge>//
- **[2c693b2de](facebook/react@2c693b2de )**: Re-add reentrancy avoidance ([#23342](facebook/react#23342)) //<Sebastian Markbåge>//
- **[1760b27c0](facebook/react@1760b27c0 )**: Remove ./src/* export from public build ([#23262](facebook/react#23262)) //<Andrew Clark>//
- **[552c067bb](facebook/react@552c067bb )**: Remove public export for unstable-shared-subset.js ([#23261](facebook/react#23261)) //<Andrew Clark>//

Changelog:
[General][Changed] - React Native sync for revisions 4de99b3...1780659

jest_e2e[run_all_tests]

Reviewed By: rickhanlonii

Differential Revision: D34552175

fbshipit-source-id: f1c831a45f96d335a20c3b4113196e0a42cefc03
zhengjitf pushed a commit to zhengjitf/react that referenced this pull request Apr 15, 2022
@acdlite @laverdet @zhengjitf
Fix false positive hydration warnings (facebook#23364)
877efb9 
* Failing test for react#23331

* Don't warn on hydration mismatch if suspended

When something suspends during hydration, we continue rendering the
siblings to warm up the cache and fire off any lazy network requests.
However, if there are any mismatches while rendering the siblings, it's
likely a false positive caused by the earlier suspended component. So
we should suppress any hydration warnings until the tree no
longer suspends.

Fixes facebook#23332

Co-authored-by: Marcel Laverdet <[email protected]>
@gnoff gnoff mentioned this pull request Jun 24, 2022
Merged
Saadnajmi pushed a commit to Saadnajmi/react-native-macos that referenced this pull request Jan 15, 2023
@kacieb @Saadnajmi
React Native sync for revisions 4de99b3...1780659
cde01ad 
Summary:
This sync includes the following changes:
- **[17806594c](facebook/react@17806594c )**: Move createRoot/hydrateRoot to react-dom/client ([facebook#23385](facebook/react#23385)) //<Sebastian Markbåge>//
- **[75662d6a7](facebook/react@75662d6a7 )**: Remove hacky stream.locked check, declare as byte stream instead ([facebook#23387](facebook/react#23387)) //<Sebastian Markbåge>//
- **[a82ef6d40](facebook/react@a82ef6d40 )**: Add back skipUnmountedBoundaries flag only for www ([facebook#23383](facebook/react#23383)) //<Andrew Clark>//
- **[f468816ef](facebook/react@f468816ef )**: Fix false positive hydration warnings ([facebook#23364](facebook/react#23364)) //<Andrew Clark>//
- **[5d08a24c2](facebook/react@5d08a24c2 )**: useId: Use 'H' to separate main id from hook index ([facebook#23363](facebook/react#23363)) //<Andrew Clark>//
- **[3a60844a0](facebook/react@3a60844a0 )**: Update error message for suspending at sync priority ([facebook#23361](facebook/react#23361)) //<Andrew Clark>//
- **[efe4121ee](facebook/react@efe4121ee )**: Add : to beginning and end of every useId ([facebook#23360](facebook/react#23360)) //<Andrew Clark>//
- **[42f15b324](facebook/react@42f15b324 )**: [DevTools][Transition Tracing] onTransitionComplete and onTransitionStart implmentation ([facebook#23313](facebook/react#23313)) //<Luna Ruan>//
- **[a5b22155c](facebook/react@a5b22155c )**: Warn if renderSubtreeIntoContainer is called ([facebook#23355](facebook/react#23355)) //<Andrew Clark>//
- **[52c393b5d](facebook/react@52c393b5d )**: Revert to client render on text mismatch ([facebook#23354](facebook/react#23354)) //<Andrew Clark>//
- **[1ad8d8129](facebook/react@1ad8d8129 )**: Remove object-assign polyfill ([facebook#23351](facebook/react#23351)) //<Sebastian Markbåge>//
- **[b3f3da205](facebook/react@b3f3da205 )**: Land warnOnSubscriptionInsideStartTransition flag ([facebook#23353](facebook/react#23353)) //<Andrew Clark>//
- **[990098f88](facebook/react@990098f88 )**: Re-arrange main ReactFeatureFlags module ([facebook#23350](facebook/react#23350)) //<Andrew Clark>//
- **[1f3f6db73](facebook/react@1f3f6db73 )**: Remove createMutableSource from stable exports ([facebook#23352](facebook/react#23352)) //<Andrew Clark>//
- **[587e75930](facebook/react@587e75930 )**: Remove Numeric Fallback of Symbols ([facebook#23348](facebook/react#23348)) //<Sebastian Markbåge>//
- **[40351575d](facebook/react@40351575d )**: Split writeChunk into void and return value ([facebook#23343](facebook/react#23343)) //<Sebastian Markbåge>//
- **[2c693b2de](facebook/react@2c693b2de )**: Re-add reentrancy avoidance ([facebook#23342](facebook/react#23342)) //<Sebastian Markbåge>//
- **[1760b27c0](facebook/react@1760b27c0 )**: Remove ./src/* export from public build ([facebook#23262](facebook/react#23262)) //<Andrew Clark>//
- **[552c067bb](facebook/react@552c067bb )**: Remove public export for unstable-shared-subset.js ([facebook#23261](facebook/react#23261)) //<Andrew Clark>//

Changelog:
[General][Changed] - React Native sync for revisions 4de99b3...1780659

jest_e2e[run_all_tests]

Reviewed By: rickhanlonii

Differential Revision: D34552175

fbshipit-source-id: f1c831a45f96d335a20c3b4113196e0a42cefc03
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@acdlite @sizebot @sebmarkbage @facebook-github-bot @laverdet