“Außenklick -Haken reagieren” Code-Antworten

Außenklick -Haken reagieren

import { useEffect, MutableRefObject } from 'react'

export const useOutsideClick = <T extends Array<MutableRefObject<any>>>(
  ref: T,
  callback: () => void
): void => {
  useEffect(() => {
    const handler = (event: MouseEvent): void => {
      // Check if the mouse click was within the element's ref.

      if (!ref || ref.length === 0) return
      const node = ref.find((x) => x?.current?.contains(event?.target as Node))

      if (!node) {
        callback()
      }
    }

    window.addEventListener('mousedown', handler)

    return (): void => {
      window.removeEventListener('mousedown', handler)
    }
  }, [ref, callback])
}

// Usage (it should be in the component*)
const firstRef  = useRef(null)
const secondRef = useRef(null)
const handleClick = () => { console.log('Clicked outside ref') }

useOutsideClick([firstRef, secondRef], handleClick)