[Compiler] Don't throw calculate in render when there is a ref in the effect #34577
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mofeiZ
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Oct 20, 2025
Summary: This creates the test cases we expect this first iteration of calculate in render to catch The goal is to have tests that will be in a good state once we have the first iteration of the calculate in render validation working, which should be pretty limited in what its capturing. Test Plan: Test cases
…k prop and local state derived values variables and add extra tests Summary: Biggest change of the stack, we track how values prop and local state values are derived throughout the entire component. We are iterating over instructions instead of effects since some mutations can not be caught otherwise. For every derivation we track the type of value its coming from (props or local state) and also the top most relevant sources (These would be the ones that are actually named instead of promoted like t0) We propagate these relevant sources to each derivation. This allows us to catch more complex useEffects though right now we are overcapturing some more complex cases which will be refined further up the stack. This PR also adds a couple tests we will work towards fixing Test Plan: Added: ref-conditional-in-effect-no-error effect-contains-prop-function-call-no-error derived-state-from-ref-and-state-no-error
… effect Summary: Using refs in an effect signify we are synchronizing with external state so to avoid overcapturing we just bail when we encounter one
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…#34580) Summary: Change error and update snapshots The error now mentions what values are causing the issue which should provide better context on how to fix the issue --- [//]: # (BEGIN SAPLING FOOTER) Stack created with [Sapling](https://sapling-scm.com). Best reviewed with [ReviewStack](https://reviewstack.dev/facebook/react/pull/34580). * __->__ #34580 * #34579 * #34578 * #34577 * #34575 * #34574
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…#34580) Summary: Change error and update snapshots The error now mentions what values are causing the issue which should provide better context on how to fix the issue --- [//]: # (BEGIN SAPLING FOOTER) Stack created with [Sapling](https://sapling-scm.com). Best reviewed with [ReviewStack](https://reviewstack.dev/facebook/react/pull/34580). * __->__ #34580 * #34579 * #34578 * #34577 * #34575 * #34574 DiffTrain build for [09056ab](09056ab)
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…#34580) Summary: Change error and update snapshots The error now mentions what values are causing the issue which should provide better context on how to fix the issue --- [//]: # (BEGIN SAPLING FOOTER) Stack created with [Sapling](https://sapling-scm.com). Best reviewed with [ReviewStack](https://reviewstack.dev/facebook/react/pull/34580). * __->__ #34580 * #34579 * #34578 * #34577 * #34575 * #34574 DiffTrain build for [09056ab](09056ab)
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Summary:
Using refs in an effect signify we are synchronizing with external state so to avoid overcapturing we just bail when we encounter one
Stack created with Sapling. Best reviewed with ReviewStack.