@attio/react-native-bottom-sheet-toolbox/dist/module/hooks/use-bottom-sheet-actions.js

"use strict";

// import { nanoid } from "nanoid/non-secure";
import * as React from "react";
import { useAnimatedReaction, useSharedValue } from "react-native-reanimated";
import { useBottomSheetToolboxInternalContext } from "../context";
import { DEFAULT_CLOSE_SHEET_SNAP_POINT_SPRING_CONFIG } from "../utils";
import { BottomSheetPositionBuiltInLockPriority, CLOSED_SNAP_POINT } from "../utils/constants";
import { useBottomSheetOnSnapDetection } from "./use-bottom-sheet-on-snap-detection";
import { useBottomSheetPositionLock } from "./use-bottom-sheet-position-lock";
import { useWorkletUiCallback } from "./use-worklet-ui-callback";
/**
 * Creates a set of actions that can be used to imperatively control the bottom sheet.
 */
export function useBottomSheetActions(id) {
  const {
    currentPositionSharedValue,
    normalizedSnapPointsSharedValue
  } = useBottomSheetToolboxInternalContext();
  const {
    lock: snapLock,
    release: setSnapRelease,
    setPositionAnimate: setSnapPositionAnimate,
    setVelocity: setSnapVelocity,
    hasLockSharedValue: hasSnapLockSharedValue
  } = useBottomSheetPositionLock(`useBottomSheetActions:${id}:snap`, BottomSheetPositionBuiltInLockPriority.ACTIONS_SNAP);

  // We apply imperative snaps reactively, like this, so we can adjust for changes in the snap points etc.
  const snapDestinationIndexSharedValue = useSharedValue(null);
  const lastSnapPointsSharedValue = useSharedValue(null);
  useAnimatedReaction(() => ({
    currentPosition: currentPositionSharedValue.get(),
    snapDestinationIndex: snapDestinationIndexSharedValue.get(),
    snapPoints: normalizedSnapPointsSharedValue.get(),
    hasSnapLock: hasSnapLockSharedValue.get()
  }), ({
    currentPosition,
    snapPoints,
    snapDestinationIndex,
    hasSnapLock
  }, lastResult) => {
    if (!hasSnapLock && lastResult?.hasSnapLock === true) {
      snapDestinationIndexSharedValue.set(null);
      return;
    }
    if (snapPoints === null || snapDestinationIndex === null) return;
    const lastSnapPoints = lastSnapPointsSharedValue.get();
    const didSnapChange = lastSnapPoints === null || lastSnapPoints[snapDestinationIndex] !== snapPoints[snapDestinationIndex] || lastResult?.snapDestinationIndex !== snapDestinationIndex;
    const snapPoint = snapPoints[snapDestinationIndex] ?? null;
    if (snapPoint === null || currentPosition === snapPoint) {
      snapDestinationIndexSharedValue.set(null);
      setSnapRelease();
      return;
    }
    if (!didSnapChange) return;
    lastSnapPointsSharedValue.set(snapPoints);
    setSnapVelocity(0);
    setSnapPositionAnimate(snapPoint);
  }, [hasSnapLockSharedValue, currentPositionSharedValue, normalizedSnapPointsSharedValue]);
  const snapToIndex = useWorkletUiCallback(snapPointIndex => {
    "worklet";

    const normalizedSnapPoints = normalizedSnapPointsSharedValue.get();
    if (!normalizedSnapPoints || normalizedSnapPoints.length === 0) {
      throw new Error("No snap-points to snap to.");
    }
    if (!(snapPointIndex in normalizedSnapPoints)) {
      throw new Error(`Invalid snap point index: ${snapPointIndex}`);
    }
    snapLock();
    snapDestinationIndexSharedValue.set(snapPointIndex);
  }, [snapLock, normalizedSnapPointsSharedValue]);
  const {
    lock: closeLock,
    release: closeRelease,
    setPositionAnimate: setClosePositionAnimate,
    setVelocity: setCloseVelocity,
    hasLockSharedValue: hasCloseLockSharedValue
  } = useBottomSheetPositionLock(`useBottomSheetActions:${id}:close`, BottomSheetPositionBuiltInLockPriority.ACTIONS_CLOSE);
  const expand = useWorkletUiCallback(() => {
    "worklet";

    const normalizedSnapPoints = normalizedSnapPointsSharedValue.get();
    if (!normalizedSnapPoints || normalizedSnapPoints.length === 0) {
      throw new Error("No snap-points to snap to.");
    } else if (normalizedSnapPoints.length === 1 && normalizedSnapPoints[0] === 0) {
      throw new Error("Sheet cannot expand as only available snap-point is '0'.");
    }
    snapToIndex(normalizedSnapPoints.length - 1);
  }, [normalizedSnapPointsSharedValue, snapToIndex]);
  const close = useWorkletUiCallback(() => {
    "worklet";

    if (hasCloseLockSharedValue.get()) return;
    closeLock();
    setCloseVelocity(0);
    setClosePositionAnimate(CLOSED_SNAP_POINT, DEFAULT_CLOSE_SHEET_SNAP_POINT_SPRING_CONFIG, closeRelease);
  }, [hasCloseLockSharedValue, closeLock, setCloseVelocity, setClosePositionAnimate, closeRelease]);
  const currentSnapRef = React.useRef(null);
  useBottomSheetOnSnapDetection(React.useCallback(snap => {
    currentSnapRef.current = snap;
  }, []));
  const getCurrentSnapIndex = React.useCallback(() => currentSnapRef.current, []);
  return React.useMemo(() => ({
    snapToIndex,
    expand,
    close,
    getCurrentSnapIndex
  }), [snapToIndex, expand, close, getCurrentSnapIndex]);
}
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