@quidone/react-native-wheel-picker/dest/commonjs/hoc/virtualized/VirtualizedList.js

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

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _react = _interopRequireWildcard(require("react"));
var _reactNative = require("react-native");
var _scrolling = require("../../utils/scrolling");
var _jsxRuntime = require("react/jsx-runtime");
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
// TODO "any" is not an exact type. How to pass the generic type?
const ExtendedAnimatedFlatList = (0, _scrolling.withScrollStartEndEvent)(_reactNative.Animated.FlatList);
const VirtualizedList = ({
  initialIndex,
  data,
  keyExtractor,
  renderItem,
  itemHeight,
  pickerHeight,
  visibleItemCount,
  readOnly,
  scrollOffset,
  onTouchEnd,
  onTouchStart,
  onTouchCancel,
  onScrollStart,
  onScrollEnd,
  contentContainerStyle: contentContainerStyleProp,
  initialNumToRender,
  maxToRenderPerBatch,
  updateCellsBatchingPeriod = 10,
  windowSize,
  disableIntervalMomentum,
  ...restProps
}, forwardedRef) => {
  const snapToOffsets = (0, _react.useMemo)(() => data.map((_, i) => i * itemHeight), [data, itemHeight]);
  const onScroll = (0, _react.useMemo)(() => _reactNative.Animated.event([{
    nativeEvent: {
      contentOffset: {
        y: scrollOffset
      }
    }
  }], {
    useNativeDriver: true
  }), [scrollOffset]);
  const getItemLayout = (0, _react.useCallback)((_, index) => ({
    length: itemHeight,
    offset: itemHeight * index,
    index
  }), [itemHeight]);
  const contentContainerStyle = (0, _react.useMemo)(() => {
    return [{
      paddingVertical: (pickerHeight - itemHeight) / 2
    }, contentContainerStyleProp];
  }, [pickerHeight, itemHeight, contentContainerStyleProp]);
  return /*#__PURE__*/(0, _jsxRuntime.jsx)(ExtendedAnimatedFlatList, {
    showsHorizontalScrollIndicator: false,
    showsVerticalScrollIndicator: false,
    scrollEventThrottle: 16,
    scrollEnabled: !readOnly,
    ...restProps,
    ref: forwardedRef,
    data: data,
    renderItem: renderItem,
    keyExtractor: keyExtractor,
    getItemLayout: getItemLayout,
    initialScrollIndex: initialIndex,
    onScroll: onScroll,
    scrollOffset: scrollOffset,
    snapToOffsets: snapToOffsets,
    disableIntervalMomentum: disableIntervalMomentum,
    style: styles.list,
    contentContainerStyle: contentContainerStyle,
    onTouchStart: onTouchStart,
    onTouchEnd: onTouchEnd,
    onTouchCancel: onTouchCancel,
    onScrollStart: onScrollStart,
    onScrollEnd: onScrollEnd,
    initialNumToRender: initialNumToRender ?? Math.ceil(visibleItemCount / 2),
    maxToRenderPerBatch: maxToRenderPerBatch ?? Math.ceil(visibleItemCount / 2),
    updateCellsBatchingPeriod: updateCellsBatchingPeriod,
    windowSize: windowSize,
    nestedScrollEnabled: true,
    removeClippedSubviews: false
  });
};
const styles = _reactNative.StyleSheet.create({
  list: {
    width: '100%',
    overflow: 'visible'
  }
});
var _default = exports.default = /*#__PURE__*/(0, _react.memo)(/*#__PURE__*/(0, _react.forwardRef)(VirtualizedList));
//# sourceMappingURL=VirtualizedList.js.map