Don't bailout after Suspending in Legacy Mode#19216
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gaearon
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Jun 30, 2020
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Details of bundled changes.Comparing: 47ff31a...77ec289 react-dom
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Seems like I'll need a broader fix with the effect tag so that it works for other Fiber types too. |
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gaearon
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Jun 30, 2020
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Upd. |
acdlite
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Jun 30, 2020
| // consumer produces a changed value, it will set this to true. Otherwise, | ||
| // the component will assume the children have not changed and bail out. | ||
| didReceiveUpdate = false; | ||
| if ((current.effectTag & ForceUpdateForLegacySuspense) !== NoEffect) { |
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I wouldn't expect this check to be necessary, since whenever you hit this block, you'll always fall into the updateSimpleMemoComponent path, so you can do everything in there.
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This isn't specific to SimpleMemo though. This block is to fix the issue for all other cases (e.g. normal memo, or a function component). See the rest of the tests.
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Ah. God Legacy Mode is annoying. OK that makes sense then.
acdlite
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Jun 30, 2020
acdlite
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Jun 30, 2020
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Upd2. I think the generic check is still needed because this is a fix for more than SimpleMemo path. #18844 was about functions in general, with the referential equality bailout as the problem. |
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Fixes #17356.
Fixes #18844.
Has regression tests + verified sandboxes work.
Builds on the test case in #18572 and approach from #18572 (comment).