@quidone/react-native-wheel-picker/dest/module/base/item/PickerItemContainer.js

Picker is a UI component for selecting an item from a list of options.

import React, { memo, useMemo } from 'react';
import { Animated } from 'react-native';
import { useScrollContentOffset } from '../contexts/ScrollContentOffsetContext';
import { usePickerItemHeight } from '../contexts/PickerItemHeightContext';
const PickerItemContainer = _ref => {
  let {
    index,
    item,
    faces,
    renderItem,
    itemTextStyle
  } = _ref;
  const offset = useScrollContentOffset();
  const height = usePickerItemHeight();
  const {
    opacity,
    rotateX,
    translateY
  } = useMemo(() => {
    const inputRange = faces.map(f => height * (index + f.index));
    return {
      opacity: offset.interpolate({
        inputRange: inputRange,
        outputRange: faces.map(x => x.opacity),
        extrapolate: 'clamp'
      }),
      rotateX: offset.interpolate({
        inputRange: inputRange,
        outputRange: faces.map(x => `${x.deg}deg`),
        extrapolate: 'extend'
      }),
      translateY: offset.interpolate({
        inputRange: inputRange,
        outputRange: faces.map(x => x.offsetY),
        extrapolate: 'extend'
      })
    };
  }, [faces, height, index, offset]);
  return /*#__PURE__*/React.createElement(Animated.View, {
    style: [{
      height,
      opacity,
      transform: [{
        translateY
      },
      // first translateY, then rotateX for correct transformation.
      {
        rotateX
      }, {
        perspective: 1000
      } // without this line this Animation will not render on Android https://reactnative.dev/docs/animations#bear-in-mind
      ]
    }]
  }, renderItem({
    item,
    index,
    itemTextStyle
  }));
};
export default /*#__PURE__*/memo(PickerItemContainer);
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