useMutationObserver
Observe changes to the DOM tree.
Usage Example
1import { useMutationObserver } from '@danixsoft/hooks';
2import { useRef, useState } from 'react';
3
4function Example() {
5 const ref = useRef<HTMLDivElement>(null);
6 const [mutations, setMutations] = useState(0);
7
8 useMutationObserver(
9 ref,
10 (mutationList) => {
11 setMutations((m) => m + mutationList.length);
12 },
13 { childList: true, subtree: true }
14 );
15
16 return (
17 <div>
18 <div ref={ref}>
19 <button onClick={() => ref.current?.append(document.createElement('div'))}>
20 Mutate DOM
21 </button>
22 </div>
23 <p>Mutations count: {mutations}</p>
24 </div>
25 );
26}