@wordpress/components/build-module/higher-order/with-notices/index.js

UI components for WordPress.

import _extends from "@babel/runtime/helpers/esm/extends";
import { createElement } from "@wordpress/element";

/**
 * External dependencies
 */
import { v4 as uuid } from 'uuid';
/**
 * WordPress dependencies
 */

import { forwardRef, useState, useMemo } from '@wordpress/element';
import { createHigherOrderComponent } from '@wordpress/compose';
/**
 * Internal dependencies
 */

import NoticeList from '../../notice/list';
/**
 * Override the default edit UI to include notices if supported.
 *
 * @param  {WPComponent} OriginalComponent Original component.
 *
 * @return {WPComponent} Wrapped component.
 */

export default createHigherOrderComponent(OriginalComponent => {
  function Component(props, ref) {
    const [noticeList, setNoticeList] = useState([]);
    const noticeOperations = useMemo(() => {
      /**
       * Function passed down as a prop that adds a new notice.
       *
       * @param {Object} notice  Notice to add.
       */
      const createNotice = notice => {
        const noticeToAdd = notice.id ? notice : { ...notice,
          id: uuid()
        };
        setNoticeList(current => [...current, noticeToAdd]);
      };

      return {
        createNotice,

        /**
         * Function passed as a prop that adds a new error notice.
         *
         * @param {string} msg  Error message of the notice.
         */
        createErrorNotice: msg => {
          createNotice({
            status: 'error',
            content: msg
          });
        },

        /**
         * Removes a notice by id.
         *
         * @param {string} id  Id of the notice to remove.
         */
        removeNotice: id => {
          setNoticeList(current => current.filter(notice => notice.id !== id));
        },

        /**
         * Removes all notices
         */
        removeAllNotices: () => {
          setNoticeList([]);
        }
      };
    }, []);
    const propsOut = { ...props,
      noticeList,
      noticeOperations,
      noticeUI: noticeList.length > 0 && createElement(NoticeList, {
        className: "components-with-notices-ui",
        notices: noticeList,
        onRemove: noticeOperations.removeNotice
      })
    };
    return isForwardRef ? createElement(OriginalComponent, _extends({}, propsOut, {
      ref: ref
    })) : createElement(OriginalComponent, propsOut);
  }

  let isForwardRef;
  const {
    render
  } = OriginalComponent; // Returns a forwardRef if OriginalComponent appears to be a forwardRef

  if (typeof render === 'function') {
    isForwardRef = true;
    return forwardRef(Component);
  }

  return Component;
});
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