Animated.event()

static event(argMapping, config?)

Takes an array of mappings and extracts values from each arg accordingly, then calls setValue on the mapped outputs. e.g.

onScroll={Animated.event(
  [{nativeEvent: {contentOffset: {x: this._scrollX}}}]
  {listener},          // Optional async listener
)
...
onPanResponderMove: Animated.event([
  null,                // raw event arg ignored
  {dx: this._panX},    // gestureState arg
]),

Links:

https://facebook.github.io/react-native/docs/animated.html#event

doc_React_Native

2025-01-10 15:47:30

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