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

Block library for the WordPress editor.

/**
 * External dependencies
 */
import clsx from 'clsx';

/**
 * WordPress dependencies
 */
import { AlignmentControl, BlockControls, Warning, useBlockProps } from '@wordpress/block-editor';
import { useState, useEffect } from '@wordpress/element';
import { useSelect } from '@wordpress/data';
import apiFetch from '@wordpress/api-fetch';
import { addQueryArgs } from '@wordpress/url';
import { __, sprintf, _n } from '@wordpress/i18n';
import { store as coreStore } from '@wordpress/core-data';
import { jsx as _jsx, Fragment as _Fragment, jsxs as _jsxs } from "react/jsx-runtime";
function PostCommentsLinkEdit({
  context,
  attributes,
  setAttributes
}) {
  const {
    textAlign
  } = attributes;
  const {
    postType,
    postId
  } = context;
  const [commentsCount, setCommentsCount] = useState();
  const blockProps = useBlockProps({
    className: clsx({
      [`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 post = useSelect(select => select(coreStore).getEditedEntityRecord('postType', postType, postId), [postType, postId]);
  if (!post) {
    return null;
  }
  const {
    link
  } = post;
  let commentsText;
  if (commentsCount !== undefined) {
    const commentsNumber = parseInt(commentsCount);
    if (commentsNumber === 0) {
      commentsText = __('No comments');
    } else {
      commentsText = sprintf(/* translators: %s: Number of comments */
      _n('%s comment', '%s comments', commentsNumber), commentsNumber.toLocaleString());
    }
  }
  return /*#__PURE__*/_jsxs(_Fragment, {
    children: [/*#__PURE__*/_jsx(BlockControls, {
      group: "block",
      children: /*#__PURE__*/_jsx(AlignmentControl, {
        value: textAlign,
        onChange: nextAlign => {
          setAttributes({
            textAlign: nextAlign
          });
        }
      })
    }), /*#__PURE__*/_jsx("div", {
      ...blockProps,
      children: link && commentsText !== undefined ? /*#__PURE__*/_jsx("a", {
        href: link + '#comments',
        onClick: event => event.preventDefault(),
        children: commentsText
      }) : /*#__PURE__*/_jsx(Warning, {
        children: __('Post Comments Link block: post not found.')
      })
    })]
  });
}
export default PostCommentsLinkEdit;
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