@attio/react-native-bottom-sheet-toolbox/dist/commonjs/hooks/use-last-shared-value-before-lock.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.useLastSharedValueBeforeLock = useLastSharedValueBeforeLock;
var _reactNativeReanimated = require("react-native-reanimated");
var _context = require("../context");
var _useLastSharedValue = require("./use-last-shared-value");
/**
 * Returns a shared value holding the last value seen of the input shared value
 * prior to a current position lock being engaged.
 */
function useLastSharedValueBeforeLock(sharedValue) {
  const {
    currentPositionLockSharedValue
  } = (0, _context.useBottomSheetToolboxInternalContext)();
  const lastSharedValue = (0, _useLastSharedValue.useLastSharedValue)(sharedValue);
  const sharedValueBeforeLock = (0, _reactNativeReanimated.useSharedValue)(null);
  (0, _reactNativeReanimated.useAnimatedReaction)(() => currentPositionLockSharedValue.get(), (currentPositionLock, lastCurrentPositionLock) => {
    const didJustLock = currentPositionLock !== null && currentPositionLock !== lastCurrentPositionLock;
    if (didJustLock) {
      const lastValue = lastSharedValue.get();
      sharedValueBeforeLock.set(lastValue);
    } else {
      sharedValueBeforeLock.set(null);

      /**
       * When a lock ends take most recent value.
       */
      lastSharedValue.set(sharedValue.get());
    }
  }, [currentPositionLockSharedValue.get]);
  return sharedValueBeforeLock;
}
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