cherry-pick(Reanimated): fix useHandler not working on web without babel plugin#8960
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MatiPl01 merged 1 commit into4.2-stablefrom Feb 16, 2026
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## Summary This PR adjusts the implementation of the `useHandler` to work when non-worklet functions are passed. It removes the always-crash behavior for non-worklet functions I introduced in #7604 **Old behavior:** - Always crash when at least one non-worklet handler function is provided. **New behavior:** - On web: Crash only when at least one non-worklet function is provided and no explicit hook `dependencies` are passed (we cannot get worklet hash of non-worklet function so we don't know when it changes), - On other platforms: Allow only worklet functions, crash in all cases if non-worklets are provided. Dependencies don't have to be passed. When passed, they are only used as additional re-render trigger apart from worklets (which change when their closures change, etc.)
MatiPl01
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kmagiera,
piaskowyk and
tomekzaw
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tjzel
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Feb 16, 2026
MatiPl01
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Cherry-pick of the #8883