@shopify/polaris/build/esm/components/AfterInitialMount/AfterInitialMount.js

Shopify’s admin product component library

import React, { useEffect } from 'react';
import { useIsAfterInitialMount } from '../../utilities/use-is-after-initial-mount.js';

function AfterInitialMount({
  children,
  onMount,
  fallback = null
}) {
  const isMounted = useIsAfterInitialMount();
  const content = isMounted ? children : fallback;
  useEffect(() => {
    if (isMounted && onMount) {
      onMount();
    }
  }, [isMounted, onMount]);
  return /*#__PURE__*/React.createElement(React.Fragment, null, content);
}

export { AfterInitialMount };