@resourge/react-fetch/dist/hooks/useOnScroll/useOnScroll.native.js

[](LICENSE)

/**
 * react-fetch v1.41.3
 *
 * Copyright (c) resourge.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE.md file in the root directory of this source tree.
 *
 * @license MIT
 */
import { useRef, useEffect } from 'react';
import { IS_DEV } from '../../utils/constants';

const useOnScroll = scrollMethod => {
  const ref = useRef(null);
  const onScrollRef = useRef(scrollMethod);
  onScrollRef.current = scrollMethod;
  if (IS_DEV) {
    useEffect(() => {
      if (!ref.current) {
        throw new Error('On react-native \'ref\' needs to be set, as react-native doesn\'t have window');
      }
    }, []);
  }
  const onScroll = event => {
    onScrollRef.current({
      left: event.nativeEvent.contentOffset.x,
      top: event.nativeEvent.contentOffset.y
    });
  };
  return [ref, onScroll];
};

export { useOnScroll };
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