use-deep-compare

What is use-deep-compare?

The `use-deep-compare` package provides React hooks that perform deep comparison of dependencies to determine if they have changed, which can be useful for optimizing performance and avoiding unnecessary re-renders.

What are use-deep-compare's main functionalities?

useDeepCompareEffect

The `useDeepCompareEffect` hook works similarly to `useEffect`, but it performs a deep comparison of the dependencies. This is useful when you have complex objects or arrays as dependencies and want to avoid unnecessary re-renders.

import { useDeepCompareEffect } from 'use-deep-compare';
import React, { useState } from 'react';

const MyComponent = () => {
  const [data, setData] = useState({ key: 'value' });

  useDeepCompareEffect(() => {
    console.log('Effect triggered due to deep comparison');
  }, [data]);

  return <div>{data.key}</div>;
};

useDeepCompareMemo

The `useDeepCompareMemo` hook works similarly to `useMemo`, but it performs a deep comparison of the dependencies. This is useful for memoizing values derived from complex objects or arrays.

import { useDeepCompareMemo } from 'use-deep-compare';
import React, { useState } from 'react';

const MyComponent = () => {
  const [data, setData] = useState({ key: 'value' });

  const memoizedValue = useDeepCompareMemo(() => {
    return data.key;
  }, [data]);

  return <div>{memoizedValue}</div>;
};

Other packages similar to use-deep-compare

react-use

The `react-use` package is a collection of essential React hooks, including hooks for deep comparison like `useDeepCompareEffect` and `useDeepCompareMemo`. It offers a broader range of hooks for various use cases, making it a more comprehensive solution compared to `use-deep-compare`.

ahooks

The `ahooks` package is a React Hooks library that provides a wide range of hooks, including deep comparison hooks like `useDeepCompareEffect` and `useDeepCompareMemo`. It is well-documented and widely used, offering more features and utilities beyond deep comparison.

README

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