@wordpress/block-library/build-module/navigation/edit/use-navigation-notice.js

Block library for the WordPress editor.

/**
 * WordPress dependencies
 */
import { useRef } from '@wordpress/element';
import { useDispatch } from '@wordpress/data';
import { store as noticeStore } from '@wordpress/notices';

function useNavigationNotice() {
  let {
    name,
    message = ''
  } = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  const noticeRef = useRef();
  const {
    createWarningNotice,
    removeNotice
  } = useDispatch(noticeStore);

  const showNotice = customMsg => {
    if (noticeRef.current) {
      return;
    }

    noticeRef.current = name;
    createWarningNotice(customMsg || message, {
      id: noticeRef.current,
      type: 'snackbar'
    });
  };

  const hideNotice = () => {
    if (!noticeRef.current) {
      return;
    }

    removeNotice(noticeRef.current);
    noticeRef.current = null;
  };

  return [showNotice, hideNotice];
}

export default useNavigationNotice;
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