@fruits-chain/react-native-xiaoshu/src/hooks/useDestroyed.ts

🌈 React Native UI library

import { useRef, useCallback, useEffect } from 'react'

/**
 * 组件是否已经被销毁了
 */
const useDestroyed = () => {
  const DestroyedRef = useRef(true)
  const getDestroyed = useCallback(() => DestroyedRef.current, [])

  useEffect(() => {
    DestroyedRef.current = false

    return () => {
      DestroyedRef.current = true
    }
  }, [])

  return getDestroyed
}

export default useDestroyed