react-native-mapsforge-vtm/lib/module/compose/usePrevious.js

React Native components to build vector maps using Mapsforges fork of vtm. Offline rendering of OpenStreetMap data. Android only

"use strict";

/**
 * External dependencies
 */
import { useRef, useEffect } from 'react';

// https://blog.logrocket.com/accessing-previous-props-state-react-hooks/
const usePrevious = value => {
  const ref = useRef();
  useEffect(() => {
    ref.current = value;
  }, [value]);
  return ref.current;
};
export default usePrevious;
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