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Devtools: Ensure component control flow is consistent with commit when using `useDeferredValue #28508

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merged 2 commits into from
Mar 14, 2024

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eps1lon
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@eps1lon eps1lon commented Mar 6, 2024

Summary

We used to always return the value that was passed into useDeferredValue in react-debug-tools. This could cause your component to behave differently when it was inspected in Devtools. This is less of an issue when hooks cannot be called conditionally but use can.

If you stack this PR on #28467, you can also observe the "Context reads do not line up" crash when you instead write

-const contextDisplay = isPending ? React.use(Context) : '<none>';
+const contextDisplay = isPending ? '<none>' : React.use(Context);

Test plan

  • Adedd test to packages/react-debug-tools/src/__tests__/ReactHooksInspectionIntegration-test.js (review by commit to see change of behavior)

@facebook-github-bot facebook-github-bot added CLA Signed React Core Team Opened by a member of the React Core Team labels Mar 6, 2024
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react-sizebot commented Mar 6, 2024

Comparing: 9ffe910...f94d6f7

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 = 176.83 kB 176.83 kB = 54.91 kB 54.91 kB
oss-experimental/react-dom/cjs/react-dom.production.min.js = 173.55 kB 173.55 kB = 54.11 kB 54.11 kB
facebook-www/ReactDOM-prod.classic.js = 594.04 kB 594.04 kB = 104.37 kB 104.37 kB
facebook-www/ReactDOM-prod.modern.js = 577.30 kB 577.30 kB = 101.42 kB 101.42 kB
test_utils/ReactAllWarnings.js Deleted 66.87 kB 0.00 kB Deleted 16.36 kB 0.00 kB

Significant size changes

Includes any change greater than 0.2%:

Expand to show
Name +/- Base Current +/- gzip Base gzip Current gzip
test_utils/ReactAllWarnings.js Deleted 66.87 kB 0.00 kB Deleted 16.36 kB 0.00 kB

Generated by 🚫 dangerJS against f94d6f7

@eps1lon eps1lon requested a review from hoxyq March 6, 2024 20:49
@eps1lon eps1lon marked this pull request as ready for review March 6, 2024 20:49
@eps1lon eps1lon force-pushed the devtools/deferred-value-placeholder branch from 4974448 to f94d6f7 Compare March 14, 2024 14:33
@eps1lon eps1lon merged commit 7268dac into facebook:main Mar 14, 2024
38 checks passed
@eps1lon eps1lon deleted the devtools/deferred-value-placeholder branch March 14, 2024 14:41
jackpope added a commit that referenced this pull request Mar 18, 2024
gnoff added a commit to gnoff/next.js that referenced this pull request Mar 25, 2024
- facebook/react#28596
- facebook/react#28625
- facebook/react#28616
- facebook/react#28491
- facebook/react#28583
- facebook/react#28427
- facebook/react#28613
- facebook/react#28599
- facebook/react#28611
- facebook/react#28610
- facebook/react#28606
- facebook/react#28598
- facebook/react#28549
- facebook/react#28557
- facebook/react#28467
- facebook/react#28591
- facebook/react#28459
- facebook/react#28590
- facebook/react#28564
- facebook/react#28582
- facebook/react#28579
- facebook/react#28578
- facebook/react#28521
- facebook/react#28550
- facebook/react#28576
- facebook/react#28577
- facebook/react#28571
- facebook/react#28572
- facebook/react#28560
- facebook/react#28569
- facebook/react#28573
- facebook/react#28546
- facebook/react#28568
- facebook/react#28562
- facebook/react#28566
- facebook/react#28565
- facebook/react#28559
- facebook/react#28508
- facebook/react#20432
- facebook/react#28555
- facebook/react#24730
- facebook/react#28472
- facebook/react#27991
- facebook/react#28514
- facebook/react#28548
- facebook/react#28526
- facebook/react#28515
- facebook/react#28533
- facebook/react#28532
- facebook/react#28531
- facebook/react#28407
- facebook/react#28522
- facebook/react#28538
- facebook/react#28509
- facebook/react#28534
- facebook/react#28527
- facebook/react#28528
- facebook/react#28519
- facebook/react#28411
- facebook/react#28520
- facebook/react#28518
- facebook/react#28493
- facebook/react#28504
- facebook/react#28499
- facebook/react#28501
- facebook/react#28496
- facebook/react#28471
- facebook/react#28351
- facebook/react#28486
- facebook/react#28490
- facebook/react#28488
- facebook/react#28468
- facebook/react#28321
- facebook/react#28477
- facebook/react#28479
- facebook/react#28480
- facebook/react#28478
- facebook/react#28464
- facebook/react#28475
- facebook/react#28456
- facebook/react#28319
- facebook/react#28345
- facebook/react#28337
- facebook/react#28335
- facebook/react#28466
- facebook/react#28462
- facebook/react#28322
- facebook/react#28444
- facebook/react#28448
- facebook/react#28449
- facebook/react#28446
- facebook/react#28447
- facebook/react#24580
- facebook/react#28514
- facebook/react#28548
- facebook/react#28526
- facebook/react#28515
- facebook/react#28533
- facebook/react#28532
- facebook/react#28531
- facebook/react#28407
- facebook/react#28522
- facebook/react#28538
- facebook/react#28509
- facebook/react#28534
- facebook/react#28527
- facebook/react#28528
- facebook/react#28519
- facebook/react#28411
- facebook/react#28520
- facebook/react#28518
- facebook/react#28493
- facebook/react#28504
- facebook/react#28499
- facebook/react#28501
- facebook/react#28496
- facebook/react#28471
- facebook/react#28351
- facebook/react#28486
- facebook/react#28490
- facebook/react#28488
- facebook/react#28468
- facebook/react#28321
- facebook/react#28477
- facebook/react#28479
- facebook/react#28480
- facebook/react#28478
- facebook/react#28464
- facebook/react#28475
- facebook/react#28456
- facebook/react#28319
- facebook/react#28345
- facebook/react#28337
- facebook/react#28335
- facebook/react#28466
- facebook/react#28462
- facebook/react#28322
- facebook/react#28444
- facebook/react#28448
- facebook/react#28449
- facebook/react#28446
- facebook/react#28447
- facebook/react#24580
gnoff added a commit to gnoff/next.js that referenced this pull request Mar 25, 2024
- facebook/react#28596
- facebook/react#28625
- facebook/react#28616
- facebook/react#28491
- facebook/react#28583
- facebook/react#28427
- facebook/react#28613
- facebook/react#28599
- facebook/react#28611
- facebook/react#28610
- facebook/react#28606
- facebook/react#28598
- facebook/react#28549
- facebook/react#28557
- facebook/react#28467
- facebook/react#28591
- facebook/react#28459
- facebook/react#28590
- facebook/react#28564
- facebook/react#28582
- facebook/react#28579
- facebook/react#28578
- facebook/react#28521
- facebook/react#28550
- facebook/react#28576
- facebook/react#28577
- facebook/react#28571
- facebook/react#28572
- facebook/react#28560
- facebook/react#28569
- facebook/react#28573
- facebook/react#28546
- facebook/react#28568
- facebook/react#28562
- facebook/react#28566
- facebook/react#28565
- facebook/react#28559
- facebook/react#28508
- facebook/react#20432
- facebook/react#28555
- facebook/react#24730
- facebook/react#28472
- facebook/react#27991
- facebook/react#28514
- facebook/react#28548
- facebook/react#28526
- facebook/react#28515
- facebook/react#28533
- facebook/react#28532
- facebook/react#28531
- facebook/react#28407
- facebook/react#28522
- facebook/react#28538
- facebook/react#28509
- facebook/react#28534
- facebook/react#28527
- facebook/react#28528
- facebook/react#28519
- facebook/react#28411
- facebook/react#28520
- facebook/react#28518
- facebook/react#28493
- facebook/react#28504
- facebook/react#28499
- facebook/react#28501
- facebook/react#28496
- facebook/react#28471
- facebook/react#28351
- facebook/react#28486
- facebook/react#28490
- facebook/react#28488
- facebook/react#28468
- facebook/react#28321
- facebook/react#28477
- facebook/react#28479
- facebook/react#28480
- facebook/react#28478
- facebook/react#28464
- facebook/react#28475
- facebook/react#28456
- facebook/react#28319
- facebook/react#28345
- facebook/react#28337
- facebook/react#28335
- facebook/react#28466
- facebook/react#28462
- facebook/react#28322
- facebook/react#28444
- facebook/react#28448
- facebook/react#28449
- facebook/react#28446
- facebook/react#28447
- facebook/react#24580
EdisonVan pushed a commit to EdisonVan/react that referenced this pull request Apr 15, 2024
EdisonVan pushed a commit to EdisonVan/react that referenced this pull request Apr 15, 2024
bigfootjon pushed a commit that referenced this pull request Apr 18, 2024
…n using `useDeferredValue (#28508)

DiffTrain build for commit 7268dac.
bigfootjon pushed a commit that referenced this pull request Apr 18, 2024
Resolve conflict between #28508 and #28546

DiffTrain build for commit 6a01aca.
eps1lon added a commit to vercel/next.js that referenced this pull request Apr 19, 2024
### React upstream changes

- facebook/react#28643
- facebook/react#28628
- facebook/react#28361
- facebook/react#28513
- facebook/react#28299
- facebook/react#28617
- facebook/react#28618
- facebook/react#28621
- facebook/react#28614
- facebook/react#28596
- facebook/react#28625
- facebook/react#28616
- facebook/react#28491
- facebook/react#28583
- facebook/react#28427
- facebook/react#28613
- facebook/react#28599
- facebook/react#28611
- facebook/react#28610
- facebook/react#28606
- facebook/react#28598
- facebook/react#28549
- facebook/react#28557
- facebook/react#28467
- facebook/react#28591
- facebook/react#28459
- facebook/react#28590
- facebook/react#28564
- facebook/react#28582
- facebook/react#28579
- facebook/react#28578
- facebook/react#28521
- facebook/react#28550
- facebook/react#28576
- facebook/react#28577
- facebook/react#28571
- facebook/react#28572
- facebook/react#28560
- facebook/react#28569
- facebook/react#28573
- facebook/react#28546
- facebook/react#28568
- facebook/react#28562
- facebook/react#28566
- facebook/react#28565
- facebook/react#28559
- facebook/react#28508
- facebook/react#20432
- facebook/react#28555
- facebook/react#24730
- facebook/react#28472
- facebook/react#27991
- facebook/react#28514
- facebook/react#28548
- facebook/react#28526
- facebook/react#28515
- facebook/react#28533
- facebook/react#28532
- facebook/react#28531
- facebook/react#28407
- facebook/react#28522
- facebook/react#28538
- facebook/react#28509
- facebook/react#28534
- facebook/react#28527
- facebook/react#28528
- facebook/react#28519
- facebook/react#28411
- facebook/react#28520
- facebook/react#28518
- facebook/react#28493
- facebook/react#28504
- facebook/react#28499
- facebook/react#28501
- facebook/react#28496
- facebook/react#28471
- facebook/react#28351
- facebook/react#28486
- facebook/react#28490
- facebook/react#28488
- facebook/react#28468
- facebook/react#28321
- facebook/react#28477
- facebook/react#28479
- facebook/react#28480
- facebook/react#28478
- facebook/react#28464
- facebook/react#28475
- facebook/react#28456
- facebook/react#28319
- facebook/react#28345
- facebook/react#28337
- facebook/react#28335
- facebook/react#28466
- facebook/react#28462
- facebook/react#28322
- facebook/react#28444
- facebook/react#28448
- facebook/react#28449
- facebook/react#28446
- facebook/react#28447
- facebook/react#24580
- facebook/react#28514
- facebook/react#28548
- facebook/react#28526
- facebook/react#28515
- facebook/react#28533
- facebook/react#28532
- facebook/react#28531
- facebook/react#28407
- facebook/react#28522
- facebook/react#28538
- facebook/react#28509
- facebook/react#28534
- facebook/react#28527
- facebook/react#28528
- facebook/react#28519
- facebook/react#28411
- facebook/react#28520
- facebook/react#28518
- facebook/react#28493
- facebook/react#28504
- facebook/react#28499
- facebook/react#28501
- facebook/react#28496
- facebook/react#28471
- facebook/react#28351
- facebook/react#28486
- facebook/react#28490
- facebook/react#28488
- facebook/react#28468
- facebook/react#28321
- facebook/react#28477
- facebook/react#28479
- facebook/react#28480
- facebook/react#28478
- facebook/react#28464
- facebook/react#28475
- facebook/react#28456
- facebook/react#28319
- facebook/react#28345
- facebook/react#28337
- facebook/react#28335
- facebook/react#28466
- facebook/react#28462
- facebook/react#28322
- facebook/react#28444
- facebook/react#28448
- facebook/react#28449
- facebook/react#28446
- facebook/react#28447
- facebook/react#24580
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