@wordpress/block-library/build-module/post-comments-count/edit.js

Block library for the WordPress editor.

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

/**
 * External dependencies
 */
import classnames from 'classnames';
/**
 * WordPress dependencies
 */

import { AlignmentControl, BlockControls, Warning, useBlockProps } from '@wordpress/block-editor';
import { useState, useEffect } from '@wordpress/element';
import apiFetch from '@wordpress/api-fetch';
import { addQueryArgs } from '@wordpress/url';
import { __ } from '@wordpress/i18n';
export default function PostCommentsCountEdit(_ref) {
  var _blockProps$style;

  let {
    attributes,
    context,
    setAttributes
  } = _ref;
  const {
    textAlign
  } = attributes;
  const {
    postId
  } = context;
  const [commentsCount, setCommentsCount] = useState();
  const blockProps = useBlockProps({
    className: classnames({
      [`has-text-align-${textAlign}`]: textAlign
    })
  });
  useEffect(() => {
    if (!postId) {
      return;
    }

    const currentPostId = postId;
    apiFetch({
      path: addQueryArgs('/wp/v2/comments', {
        post: postId
      }),
      parse: false
    }).then(res => {
      // Stale requests will have the `currentPostId` of an older closure.
      if (currentPostId === postId) {
        setCommentsCount(res.headers.get('X-WP-Total'));
      }
    });
  }, [postId]);
  const hasPostAndComments = postId && commentsCount !== undefined;
  const blockStyles = { ...blockProps.style,
    textDecoration: hasPostAndComments ? (_blockProps$style = blockProps.style) === null || _blockProps$style === void 0 ? void 0 : _blockProps$style.textDecoration : undefined
  };
  return createElement(Fragment, null, createElement(BlockControls, {
    group: "block"
  }, createElement(AlignmentControl, {
    value: textAlign,
    onChange: nextAlign => {
      setAttributes({
        textAlign: nextAlign
      });
    }
  })), createElement("div", _extends({}, blockProps, {
    style: blockStyles
  }), hasPostAndComments ? commentsCount : createElement(Warning, null, __('Post Comments Count block: post not found.'))));
}
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