react-native-filament/lib/module/hooks/usePrevious.js

A real-time physically based 3D rendering engine for React Native

"use strict";

import { useEffect, useRef } from 'react';

/**
 * A hook that returns the previous value of a variable
 */
export default function usePrevious(value) {
  const ref = useRef(undefined);
  useEffect(() => {
    ref.current = value;
  }, [value]);
  return ref.current;
}
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