Read debugRenderPhaseSideEffects from GK #11603
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bvaughn
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gaearon
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raphamorim
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* Forked ReactFeatureFlags for React Native to enable debugRenderPhaseSideEffects GK * Changed debugRenderPhaseSideEffects in www feature flags to be runtime as well
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* Forked ReactFeatureFlags for React Native to enable debugRenderPhaseSideEffects GK * Changed debugRenderPhaseSideEffects in www feature flags to be runtime as well
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We plan to opt some engineers into this newly-added GK to help identify unsafe side-effects within lifecycle hooks and
setStatecallbacks. This PR adds the ability to determine this value at runtime (rather than static as it is for NPM builds) .Verified that this inserts the following line to the fbsource and www builds:
For the www build, this should be a simple matter of reading this value from the GK module.
I'm not sure yet of the best way to inject it for React Native builds, given that the Rollup build reads the value from
ReactFeatureFlagsduring initialization. We'll have to make sure that app code injects beforeReactNativeis initialized. I believe this should be possible, but it may depend on how we hoist requires in that environment.