Remove shared value read on the JS thread during detector update #2957
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j-piasecki
referenced
this pull request
Jun 24, 2024
This PR slightly modifies how gesture callbacks are updated when using Reanimated. Instead of updating them every time, it will now be updated only when the gesture config has changed. In combination with `useMemo`, this will make optimizing performance-critical use cases easier. It accomplishes this by adding `gestureId` property to every gesture instance, which then is checked before updating the shared value. The update happens only when the id is different (which will happen only when the gesture inside `useMemo` is recalculated, i.e. only when the dependencies change).
m-bert
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Jun 26, 2024
github-merge-queue bot
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in valora-inc/wallet
Aug 6, 2024
…5714) [](https://renovatebot.com) This PR contains the following updates: | Package | Change | Age | Adoption | Passing | Confidence | |---|---|---|---|---|---| | [react-native-gesture-handler](https://togithub.com/software-mansion/react-native-gesture-handler) | [`^2.17.1` -> `^2.18.1`](https://renovatebot.com/diffs/npm/react-native-gesture-handler/2.17.1/2.18.1) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | --- ### Release Notes <details> <summary>software-mansion/react-native-gesture-handler (react-native-gesture-handler)</summary> ### [`v2.18.1`](https://togithub.com/software-mansion/react-native-gesture-handler/releases/tag/2.18.1) [Compare Source](https://togithub.com/software-mansion/react-native-gesture-handler/compare/2.18.0...2.18.1) #### 🐛 Bug fixes - Fix build on RN 0.74 by [@​m-bert](https://togithub.com/m-bert) in [https://github.com/software-mansion/react-native-gesture-handler/pull/3024](https://togithub.com/software-mansion/react-native-gesture-handler/pull/3024) #### What's Changed - Bump ws from 6.2.2 to 6.2.3 in /example by [@​dependabot](https://togithub.com/dependabot) in [https://github.com/software-mansion/react-native-gesture-handler/pull/3003](https://togithub.com/software-mansion/react-native-gesture-handler/pull/3003) - Bump requirejs from 2.3.6 to 2.3.7 by [@​dependabot](https://togithub.com/dependabot) in [https://github.com/software-mansion/react-native-gesture-handler/pull/3009](https://togithub.com/software-mansion/react-native-gesture-handler/pull/3009) - Bump fast-xml-parser from 4.2.5 to 4.4.1 by [@​dependabot](https://togithub.com/dependabot) in [https://github.com/software-mansion/react-native-gesture-handler/pull/3016](https://togithub.com/software-mansion/react-native-gesture-handler/pull/3016) - Bump ws from 6.2.2 to 6.2.3 in /docs by [@​dependabot](https://togithub.com/dependabot) in [https://github.com/software-mansion/react-native-gesture-handler/pull/3021](https://togithub.com/software-mansion/react-native-gesture-handler/pull/3021) - Add documentation page for `Pressable` component by [@​latekvo](https://togithub.com/latekvo) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2992](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2992) - Add docs page for Reanimated Swipeable by [@​latekvo](https://togithub.com/latekvo) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2962](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2962) **Full Changelog**: software-mansion/react-native-gesture-handler@2.18.0...2.18.1 ### [`v2.18.0`](https://togithub.com/software-mansion/react-native-gesture-handler/releases/tag/2.18.0) [Compare Source](https://togithub.com/software-mansion/react-native-gesture-handler/compare/2.17.1...2.18.0) #### ❗ Important changes - Create a separate component out of the new Swipeable row by [@​latekvo](https://togithub.com/latekvo) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2936](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2936) - Create gesturized pressable component by [@​latekvo](https://togithub.com/latekvo) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2942](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2942), [https://github.com/software-mansion/react-native-gesture-handler/pull/2977](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2977), [https://github.com/software-mansion/react-native-gesture-handler/pull/2982](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2982), [https://github.com/software-mansion/react-native-gesture-handler/pull/2981](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2981) - Support for React Native 0.75 by [@​j-piasecki](https://togithub.com/j-piasecki) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2966](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2966) #### 👍 Improvements - \[macOS] Add `ForceTouch` warning by [@​m-bert](https://togithub.com/m-bert) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2954](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2954) - Remove shared value read on the JS thread during detector update by [@​j-piasecki](https://togithub.com/j-piasecki) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2957](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2957) - Use a newer constructor for all Gesture Handler events on Android by [@​j-piasecki](https://togithub.com/j-piasecki) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2967](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2967) - Persist rotation and pinch gesture through pointer changes on android by [@​coado](https://togithub.com/coado) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2983](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2983) - \[macOS] Add `NativeViewGestureHandler` by [@​m-bert](https://togithub.com/m-bert) in [https://github.com/software-mansion/react-native-gesture-handler/pull/3004](https://togithub.com/software-mansion/react-native-gesture-handler/pull/3004) - Add `enabled` prop support to swipeable by [@​latekvo](https://togithub.com/latekvo) in [https://github.com/software-mansion/react-native-gesture-handler/pull/3011](https://togithub.com/software-mansion/react-native-gesture-handler/pull/3011) #### 🐛 Bug fixes - Make handler comparator work only on non-null objects by [@​j-piasecki](https://togithub.com/j-piasecki) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2964](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2964) - fix: bind scope to null to prevent issues with inline requires by [@​EvanBacon](https://togithub.com/EvanBacon) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2972](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2972) - Replace `queueMicrotask` with `requestAnimationFrame` by [@​m-bert](https://togithub.com/m-bert) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2969](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2969) - Resolve circular dependencies on JS side by [@​latekvo](https://togithub.com/latekvo) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2970](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2970) - Fix Android native buttons emitting 2 press events when talkback is enabled by [@​latekvo](https://togithub.com/latekvo) in [https://github.com/software-mansion/react-native-gesture-handler/pull/3002](https://togithub.com/software-mansion/react-native-gesture-handler/pull/3002) - Fix `ScrollView` intercepting touches through out-of-bounds children by [@​j-piasecki](https://togithub.com/j-piasecki) in [https://github.com/software-mansion/react-native-gesture-handler/pull/3017](https://togithub.com/software-mansion/react-native-gesture-handler/pull/3017) - Change `onPress` argument in buttons by [@​m-bert](https://togithub.com/m-bert) in [https://github.com/software-mansion/react-native-gesture-handler/pull/3006](https://togithub.com/software-mansion/react-native-gesture-handler/pull/3006) - \[macOS] Fix handlers not responding after opening context menu by [@​m-bert](https://togithub.com/m-bert) in [https://github.com/software-mansion/react-native-gesture-handler/pull/3008](https://togithub.com/software-mansion/react-native-gesture-handler/pull/3008) - \[iOS | macOS] Fix translation calculation in `LongPress` by [@​m-bert](https://togithub.com/m-bert) in [https://github.com/software-mansion/react-native-gesture-handler/pull/3013](https://togithub.com/software-mansion/react-native-gesture-handler/pull/3013) - Fix cancelling manual activation gestures blocking interactivity on iOS by [@​latekvo](https://togithub.com/latekvo) in [https://github.com/software-mansion/react-native-gesture-handler/pull/3007](https://togithub.com/software-mansion/react-native-gesture-handler/pull/3007) #### 🔢 Miscellaneous - Bump ws from 6.2.2 to 6.2.3 in /FabricExample by [@​dependabot](https://togithub.com/dependabot) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2949](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2949) - Bump braces from 3.0.2 to 3.0.3 in /MacOSExample by [@​dependabot](https://togithub.com/dependabot) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2956](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2956) - docs: bump `@swmansion/t-rex-ui` to 0.0.12 by [@​patrycjakalinska](https://togithub.com/patrycjakalinska) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2958](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2958) - Bump braces from 3.0.2 to 3.0.3 in /FabricExample by [@​dependabot](https://togithub.com/dependabot) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2965](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2965) - Set consistent prettier version across all package.jsons by [@​latekvo](https://togithub.com/latekvo) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2971](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2971) - Change naming scheme in package.json from camelCase to dash-case by [@​latekvo](https://togithub.com/latekvo) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2973](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2973) - Unify comments and simplify some conditions. by [@​m-bert](https://togithub.com/m-bert) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2984](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2984) - docs: Update Expo installation instructions by [@​amandeepmittal](https://togithub.com/amandeepmittal) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2991](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2991) - Bump fast-loops from 1.1.3 to 1.1.4 in /docs by [@​dependabot](https://togithub.com/dependabot) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2986](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2986) - Remove plural form in docs by [@​m-bert](https://togithub.com/m-bert) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2995](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2995) - Bump fast-loops from 1.1.3 to 1.1.4 in /example by [@​dependabot](https://togithub.com/dependabot) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2994](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2994) - Don't run old arch integrity check on every PR by [@​j-piasecki](https://togithub.com/j-piasecki) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2998](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2998) - docs: fix footer on landing by [@​patrycjakalinska](https://togithub.com/patrycjakalinska) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2997](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2997) - docs: Replace HireUsSection with `@swmansion/t-rex-ui` component by [@​patrycjakalinska](https://togithub.com/patrycjakalinska) in [https://github.com/software-mansion/react-native-gesture-handler/pull/2996](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2996) - Mention `drawerWillShow` in `DrawerLayout` docs by [@​m-bert](https://togithub.com/m-bert) in [https://github.com/software-mansion/react-native-gesture-handler/pull/3000](https://togithub.com/software-mansion/react-native-gesture-handler/pull/3000) - chore: Refactor gradle task to JS scripts by [@​maciekstosio](https://togithub.com/maciekstosio) in [https://github.com/software-mansion/react-native-gesture-handler/pull/3001](https://togithub.com/software-mansion/react-native-gesture-handler/pull/3001) - Update dependencies related to tests by [@​j-piasecki](https://togithub.com/j-piasecki) in [https://github.com/software-mansion/react-native-gesture-handler/pull/3005](https://togithub.com/software-mansion/react-native-gesture-handler/pull/3005) - \[macOS] Switch `hasPointerInside` to `containsPointInView` by [@​m-bert](https://togithub.com/m-bert) in [https://github.com/software-mansion/react-native-gesture-handler/pull/3012](https://togithub.com/software-mansion/react-native-gesture-handler/pull/3012) #### New Contributors - [@​coado](https://togithub.com/coado) made their first contribution in [https://github.com/software-mansion/react-native-gesture-handler/pull/2983](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2983) - [@​amandeepmittal](https://togithub.com/amandeepmittal) made their first contribution in [https://github.com/software-mansion/react-native-gesture-handler/pull/2991](https://togithub.com/software-mansion/react-native-gesture-handler/pull/2991) **Full Changelog**: software-mansion/react-native-gesture-handler@2.17.0...2.18.0 </details> --- ### Configuration 📅 **Schedule**: Branch creation - 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Description
In #2037 support for memoizing gestures was added, which relied on reading the current handlers from the shared value and comparing them to the new ones.
This worked well with Reanimated 2, where shared values kept a copy of their value on JS thread, and the assumption about Reanimated 3, was that even though the read is synchronous, it's quick enough not to cause problems. This assumption was wrong since it can result in JS thread being blocked until the UI thread finishes its current work to allow for SV read.
This PR eliminates the necessity of reading from the shared value by relying on information already available on the JS thread to decide whether the shared value should be updated.
Test plan
Test on the Example app to make sure nothing breaks, and make sure that memorized gestures don't result in updating the shared value.