react-playground/node_modules/@mui/x-internals/esm/useResizeObserver/useResizeObserver.js

import * as React from 'react';
import useEnhancedEffect from '@mui/utils/useEnhancedEffect';
const isDevEnvironment = process.env.NODE_ENV === 'development' || process.env.NODE_ENV === 'test';
const noop = () => {};
export function useResizeObserver(ref, fn, enabled) {
  const fnRef = React.useRef(null);
  fnRef.current = fn;
  useEnhancedEffect(() => {
    if (enabled === false || typeof ResizeObserver === 'undefined') {
      return noop;
    }
    let frameID = 0;
    const target = ref.current;
    const observer = new ResizeObserver(entries => {
      // See https://github.com/mui/mui-x/issues/8733
      // In dev, we avoid the React warning by moving the task to the next frame.
      // In prod, we want the task to run in the same frame as to avoid tear.
      if (isDevEnvironment) {
        frameID = requestAnimationFrame(() => {
          fnRef.current(entries);
        });
      } else {
        fnRef.current(entries);
      }
    });
    if (target) {
      observer.observe(target);
    }
    return () => {
      if (frameID) {
        cancelAnimationFrame(frameID);
      }
      observer.disconnect();
    };
  }, [ref, enabled]);
}