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Nick Gerleman
3eccc53629
Summary: Pull Request resolved: https://github.com/facebook/react-native/pull/38648 https://github.com/facebook/react-native/pull/38475 made this code no longer no-op on Android, which caused regressions documented in https://github.com/facebook/react-native/issues/38470#issuecomment-1639620459 due to VirtualizedList having more out-of-date information. We are already coalescing scroll events on both Android and iOS, which will ensure we are not flooded with events. VirtualizedList also already inserts an artificial 50ms delay to new renders by default when high priority work is not happening (see `updateCellsBatchingPeriod`). This limits the heavy work done by VirtualizedList (no new renders or expensive math on scroll events), while letting the list still have the most recent events. We can eventually remove this once VirtualizedList is able to use OffScreen universally. Changelog: [General][Changed] - Remove default 50ms Scroll Event Throttling in VirtualizedList Reviewed By: ryancat Differential Revision: D47823772 fbshipit-source-id: 55d22a1074235ccc1b2cf167f6b1758640c79edb
@react-native/virtualized-lists
Installation
yarn add @react-native/virtualized-lists
Note: We're using yarn to install deps. Feel free to change commands to use npm 3+ and npx if you like
Testing
To run the tests in this package, run the following commands from the React Native root folder:
yarnto install the dependencies. You just need to run this onceyarn jest packages/virtualized-lists.