@wordpress/block-library/build-module/template-part/index.js

Block library for the WordPress editor.

/**
 * External dependencies
 */
import { capitalCase } from 'change-case';
/**
 * WordPress dependencies
 */

import { store as coreDataStore } from '@wordpress/core-data';
import { select } from '@wordpress/data';
import { symbolFilled } from '@wordpress/icons';
import { addFilter } from '@wordpress/hooks';
import { decodeEntities } from '@wordpress/html-entities';
/**
 * Internal dependencies
 */

import initBlock from '../utils/init-block';
const metadata = {
  $schema: "https://schemas.wp.org/trunk/block.json",
  apiVersion: 2,
  name: "core/template-part",
  title: "Template Part",
  category: "theme",
  description: "Edit the different global regions of your site, like the header, footer, sidebar, or create your own.",
  textdomain: "default",
  attributes: {
    slug: {
      type: "string"
    },
    theme: {
      type: "string"
    },
    tagName: {
      type: "string"
    },
    area: {
      type: "string"
    }
  },
  supports: {
    align: true,
    html: false,
    reusable: false
  },
  editorStyle: "wp-block-template-part-editor"
};
import edit from './edit';
import { enhanceTemplatePartVariations } from './variations';
const {
  name
} = metadata;
export { metadata, name };
export const settings = {
  icon: symbolFilled,
  __experimentalLabel: _ref => {
    var _entity$title;

    let {
      slug,
      theme
    } = _ref;

    // Attempt to find entity title if block is a template part.
    // Require slug to request, otherwise entity is uncreated and will throw 404.
    if (!slug) {
      return;
    }

    const entity = select(coreDataStore).getEntityRecord('postType', 'wp_template_part', theme + '//' + slug);

    if (!entity) {
      return;
    }

    return decodeEntities((_entity$title = entity.title) === null || _entity$title === void 0 ? void 0 : _entity$title.rendered) || capitalCase(entity.slug);
  },
  edit
};
export const init = () => {
  addFilter('blocks.registerBlockType', 'core/template-part', enhanceTemplatePartVariations); // Prevent adding template parts inside post templates.

  const DISALLOWED_PARENTS = ['core/post-template', 'core/post-content'];
  addFilter('blockEditor.__unstableCanInsertBlockType', 'removeTemplatePartsFromPostTemplates', (can, blockType, rootClientId, _ref2) => {
    let {
      getBlock,
      getBlockParentsByBlockName
    } = _ref2;

    if (blockType.name !== 'core/template-part') {
      return can;
    }

    for (const disallowedParentType of DISALLOWED_PARENTS) {
      var _getBlock;

      const hasDisallowedParent = ((_getBlock = getBlock(rootClientId)) === null || _getBlock === void 0 ? void 0 : _getBlock.name) === disallowedParentType || getBlockParentsByBlockName(rootClientId, disallowedParentType).length;

      if (hasDisallowedParent) {
        return false;
      }
    }

    return true;
  });
  return initBlock({
    name,
    metadata,
    settings
  });
};
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