useUpdateEffect()

1import { DependencyList, EffectCallback, useEffect } from 'react'
2
3import { useIsFirstRender } from '../useIsFirstRender'
4
5function useUpdateEffect(effect: EffectCallback, deps?: DependencyList) {
6  const isFirst = useIsFirstRender()
7
8  useEffect(() => {
9    if (!isFirst) {
10      return effect()
11    }
12    // eslint-disable-next-line react-hooks/exhaustive-deps
13  }, deps)
14}
15
16export default useUpdateEffect

1import React, { useEffect, useState } from 'react'
2
3import { useUpdateEffect } from 'usehooks-ts'
4
5export default function Component() {
6  const [data, setData] = useState<number>(0)
7  useEffect(() => {
8    console.log('Normal useEffect', { data })
9  }, [data])
10
11  useUpdateEffect(() => {
12    console.log('Update useEffect only', { data })
13  }, [data])
14
15  return (
16    <div>
17      <p>Open your console</p>
18      <button onClick={() => setData(Date.now())}>Update data</button>
19    </div>
20  )
21}