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

Block library for the WordPress editor.

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

/**
 * WordPress dependencies
 */
import { AlignmentControl, BlockControls, useBlockProps, InspectorControls, store as blockEditorStore, HeadingLevelDropdown } from '@wordpress/block-editor';
import { __, _n, sprintf } from '@wordpress/i18n';
import { useEntityProp } from '@wordpress/core-data';
import { ToggleControl, __experimentalToolsPanel as ToolsPanel, __experimentalToolsPanelItem as ToolsPanelItem } from '@wordpress/components';
import { useState, useEffect } from '@wordpress/element';
import { useSelect } from '@wordpress/data';
import apiFetch from '@wordpress/api-fetch';
import { addQueryArgs } from '@wordpress/url';

/**
 * Internal dependencies
 */
import { useToolsPanelDropdownMenuProps } from '../utils/hooks';
import { jsx as _jsx, jsxs as _jsxs, Fragment as _Fragment } from "react/jsx-runtime";
export default function Edit({
  attributes: {
    textAlign,
    showPostTitle,
    showCommentsCount,
    level,
    levelOptions
  },
  setAttributes,
  context: {
    postType,
    postId
  }
}) {
  const TagName = 'h' + level;
  const [commentsCount, setCommentsCount] = useState();
  const [rawTitle] = useEntityProp('postType', postType, 'title', postId);
  const isSiteEditor = typeof postId === 'undefined';
  const blockProps = useBlockProps({
    className: clsx({
      [`has-text-align-${textAlign}`]: textAlign
    })
  });
  const {
    threadCommentsDepth,
    threadComments,
    commentsPerPage,
    pageComments
  } = useSelect(select => {
    const {
      getSettings
    } = select(blockEditorStore);
    return getSettings().__experimentalDiscussionSettings;
  });
  const dropdownMenuProps = useToolsPanelDropdownMenuProps();
  useEffect(() => {
    if (isSiteEditor) {
      // Match the number of comments that will be shown in the comment-template/edit.js placeholder

      const nestedCommentsNumber = threadComments ? Math.min(threadCommentsDepth, 3) - 1 : 0;
      const topLevelCommentsNumber = pageComments ? commentsPerPage : 3;
      const commentsNumber = parseInt(nestedCommentsNumber) + parseInt(topLevelCommentsNumber);
      setCommentsCount(Math.min(commentsNumber, 3));
      return;
    }
    const currentPostId = postId;
    apiFetch({
      path: addQueryArgs('/wp/v2/comments', {
        post: postId,
        _fields: 'id'
      }),
      method: 'HEAD',
      parse: false
    }).then(res => {
      // Stale requests will have the `currentPostId` of an older closure.
      if (currentPostId === postId) {
        setCommentsCount(parseInt(res.headers.get('X-WP-Total')));
      }
    }).catch(() => {
      setCommentsCount(0);
    });
  }, [postId]);
  const blockControls = /*#__PURE__*/_jsxs(BlockControls, {
    group: "block",
    children: [/*#__PURE__*/_jsx(AlignmentControl, {
      value: textAlign,
      onChange: newAlign => setAttributes({
        textAlign: newAlign
      })
    }), /*#__PURE__*/_jsx(HeadingLevelDropdown, {
      value: level,
      options: levelOptions,
      onChange: newLevel => setAttributes({
        level: newLevel
      })
    })]
  });
  const inspectorControls = /*#__PURE__*/_jsx(InspectorControls, {
    children: /*#__PURE__*/_jsxs(ToolsPanel, {
      label: __('Settings'),
      resetAll: () => {
        setAttributes({
          showPostTitle: true,
          showCommentsCount: true
        });
      },
      dropdownMenuProps: dropdownMenuProps,
      children: [/*#__PURE__*/_jsx(ToolsPanelItem, {
        label: __('Show post title'),
        isShownByDefault: true,
        hasValue: () => !showPostTitle,
        onDeselect: () => setAttributes({
          showPostTitle: true
        }),
        children: /*#__PURE__*/_jsx(ToggleControl, {
          __nextHasNoMarginBottom: true,
          label: __('Show post title'),
          checked: showPostTitle,
          onChange: value => setAttributes({
            showPostTitle: value
          })
        })
      }), /*#__PURE__*/_jsx(ToolsPanelItem, {
        label: __('Show comments count'),
        isShownByDefault: true,
        hasValue: () => !showCommentsCount,
        onDeselect: () => setAttributes({
          showCommentsCount: true
        }),
        children: /*#__PURE__*/_jsx(ToggleControl, {
          __nextHasNoMarginBottom: true,
          label: __('Show comments count'),
          checked: showCommentsCount,
          onChange: value => setAttributes({
            showCommentsCount: value
          })
        })
      })]
    })
  });
  const postTitle = isSiteEditor ? __('“Post Title”') : `"${rawTitle}"`;
  let placeholder;
  if (showCommentsCount && commentsCount !== undefined) {
    if (showPostTitle) {
      if (commentsCount === 1) {
        /* translators: %s: Post title. */
        placeholder = sprintf(__('One response to %s'), postTitle);
      } else {
        placeholder = sprintf(/* translators: 1: Number of comments, 2: Post title. */
        _n('%1$s response to %2$s', '%1$s responses to %2$s', commentsCount), commentsCount, postTitle);
      }
    } else if (commentsCount === 1) {
      placeholder = __('One response');
    } else {
      placeholder = sprintf(/* translators: %s: Number of comments. */
      _n('%s response', '%s responses', commentsCount), commentsCount);
    }
  } else if (showPostTitle) {
    if (commentsCount === 1) {
      /* translators: %s: Post title. */
      placeholder = sprintf(__('Response to %s'), postTitle);
    } else {
      /* translators: %s: Post title. */
      placeholder = sprintf(__('Responses to %s'), postTitle);
    }
  } else if (commentsCount === 1) {
    placeholder = __('Response');
  } else {
    placeholder = __('Responses');
  }
  return /*#__PURE__*/_jsxs(_Fragment, {
    children: [blockControls, inspectorControls, /*#__PURE__*/_jsx(TagName, {
      ...blockProps,
      children: placeholder
    })]
  });
}
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