@attio/react-native-bottom-sheet-toolbox/dist/module/hooks/use-normalized-snap-points.js

"use strict";

import { useDerivedValue } from "react-native-reanimated";
import { useBottomSheetToolboxInternalContext } from "../context";
import { normalizeSheetPosition } from "../utils";

/**
 * Normalizes an array of SnapPoints to a SharedValue array of positions represented as numbers.
 */
export function useNormalizedSnapPoints(snapPoints) {
  const {
    childrenHeightSharedValue,
    wrapperHeightSharedValue,
    footerHeightSharedValue
  } = useBottomSheetToolboxInternalContext();
  return useDerivedValue(() => {
    const unsorted = snapPoints.map(sp => normalizeSheetPosition({
      sheetPosition: sp,
      childrenHeightSharedValue,
      wrapperHeightSharedValue,
      footerHeightSharedValue
    }));
    const isPrepared = unsorted.every(snapPoint => snapPoint !== null);
    if (!isPrepared) return null;
    const prepared = unsorted;
    prepared.sort((a, b) => a - b);

    // TODO: these should probably be clamped to the sheets bounds.

    return prepared;
  }, [childrenHeightSharedValue, wrapperHeightSharedValue, footerHeightSharedValue, snapPoints]);
}
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