fix[react-devtools]: record timeline data only when supported #31154
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EdmondChuiHW
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Oct 9, 2024
| ) { | ||
| const mergedProfilingSettings: ProfilingSettings | void = | ||
| typeof profilingSettings === 'object' && profilingSettings != null | ||
| ? {...profilingSettings, recordTimeline: false} |
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Wait so does it mean we will never respect recordTimeline: true pass in from initialize? Could we add a comment explaining this? e.g. if store is the only way to set this to true
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Good catch, yeah, I should just default it to false here. Forgot that react-devtools-core might be used not only for React Native.
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Fixes tests against React 18 after #31154: - Set `supportsTimeline` to true for `Store`. - Execute `store.profilerStore.startProfiling` after `legacyRender` import, because this is where `react-dom` is imported and renderer is registered. We don't yet propagate `isProfiling` flag to newly registered renderers, when profiling already started see: https://github.com/facebook/react/blob/d5bba18b5d81f234657586865248c5b6849599cd/packages/react-devtools-shared/src/hook.js#L203-L204
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Changes in this release: * Fix React Compiler badging ([poteto](https://github.com/poteto) in [#31196](#31196)) * fix[react-devtools]: fixed timeline profiler tests ([hoxyq](https://github.com/hoxyq) in [#31261](#31261)) * fix[react-devtools]: record timeline data only when supported ([hoxyq](https://github.com/hoxyq) in [#31154](#31154)) * refactor[react-devtools]: flatten reload and profile config ([hoxyq](https://github.com/hoxyq) in [#31132](#31132)) * fix[react-devtools]: remove all listeners when Agent is shutdown ([hoxyq](https://github.com/hoxyq) in [#31151](#31151)) * fix[react-devtools]: removed redundant startProfiling call ([hoxyq](https://github.com/hoxyq) in [#31131](#31131)) * refactor[react-devtools/fiber/renderer]: optimize durations resolution ([hoxyq](https://github.com/hoxyq) in [#31118](#31118)) * fix[react-devtools]: update profiling status before receiving response from backend ([hoxyq](https://github.com/hoxyq) in [#31117](#31117)) * fix[react-devtools]: wrap key string in preformatted text html element ([hoxyq](https://github.com/hoxyq) in [#31153](#31153)) * chore[react-devtools]: drop legacy context tests ([hoxyq](https://github.com/hoxyq) in [#31059](#31059)) * chore[react-devtools]: add legacy mode error message to the ignore list for tests ([hoxyq](https://github.com/hoxyq) in [#31060](#31060)) * fix[react-devtools]: request hook initialization inside http server response ([hoxyq](https://github.com/hoxyq) in [#31102](#31102)) * [Flight] Serialize Server Components Props in DEV ([sebmarkbage](https://github.com/sebmarkbage) in [#31105](#31105)) * Add: reload to profile for Fusebox ([EdmondChuiHW](https://github.com/EdmondChuiHW) in [#31021](#31021)) * refactor: allow custom impl of backend realod-to-profile support check ([EdmondChuiHW](https://github.com/EdmondChuiHW) in [#31048](#31048)) * fix: use public instance in Fiber renderer and expose it from getInspectorDataForViewAtPoint ([hoxyq](https://github.com/hoxyq) in [#31068](#31068))
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Stacked on #31132. See last commit.
There are 2 issues:
We can't currently fix the second one, because we would still need to generate all these stacks, and this would still take quite a lot of time. As of right now, we can't generate a component stack lazily without relying on the fact that reference to the Fiber is not stale. With
enableOwnerStackswe could populate component stacks in some collection, which would be cached at the Backend, and then returned only once Frontend asks for it. This approach also eliminates the need for keeping a reference to a Fiber.