rc-mutate-observer-modern/es/useMutateObserver.js

React MutateObserver Component

import canUseDom from "rc-util/es/Dom/canUseDom";
import * as React from 'react';
const defaultOptions = {
  subtree: true,
  childList: true,
  attributeFilter: ['style', 'class']
};
export default function useMutateObserver(nodeOrList, callback, options = defaultOptions) {
  React.useEffect(() => {
    if (!canUseDom() || !nodeOrList) {
      return;
    }
    let instance;
    const nodeList = Array.isArray(nodeOrList) ? nodeOrList : [nodeOrList];
    if ('MutationObserver' in window) {
      instance = new MutationObserver(callback);
      nodeList.forEach(element => {
        instance.observe(element, options);
      });
    }
    return () => {
      instance?.takeRecords();
      instance?.disconnect();
    };
  }, [options, nodeOrList]);
}