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Rerender "renderItem" + "keyExtractor" #487

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phamhieu1412 opened this issue Jun 6, 2023 · 1 comment

phamhieu1412 commented Jun 6, 2023

Describe the bug
Rerender "renderItem" + "keyExtractor"

Reproduce

i use flatlist into modalize, when use renderItem i have console.log it below:

And when scroll, console.log is running many times

Screen.Recording.2023-06-06.at.09.03.25.mov

how to fix it??

Dependencies:

react-native-modalize 2.1.1
react-native 0.70.5
react-native-gesture-handler 2.8.0

TomCorvus commented Jun 27, 2023

react-native-modalize's using react-native FlatList. There are some tips to improve it.
You can check this: https://reactnative.dev/docs/optimizing-flatlist-configuration

you can use Pure/Memo component to render items.

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