useOnClickOutside

A custom hook that calls a callback function when an element outside the target element assigned ref is clicked.

Interface

const useOnClickOutside: <T extends HTMLElement>(
  action: (targetElement: T) => void
) => {
  ref: React.RefObject<T>;
};

Usage

import { useMemo } from 'react';
import { useOnClickOutside } from '@devgrace/react';

const Example = () => {
  const { ref } = useOnClickOutside<HTMLDivElement>(() => {
    window.alert('outside click')
  });
  
  const boxStyle = useMemo(() => {
    return {
      width: '400px',
      height: '400px',
      background: '#439966',
      fontSize: '1.5rem',
      color: '#fff',
    };
  }, []);

  return (
    <div ref={ref} style={boxStyle}>
      Target Box
    </div>
  );
};