@wordpress/block-editor/build/hooks/custom-class-name.js

Generic block editor.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.addAttribute = addAttribute;
exports.addSaveProps = addSaveProps;
exports.addTransforms = addTransforms;
exports.default = void 0;
var _clsx = _interopRequireDefault(require("clsx"));
var _hooks = require("@wordpress/hooks");
var _components = require("@wordpress/components");
var _i18n = require("@wordpress/i18n");
var _blocks = require("@wordpress/blocks");
var _components2 = require("../components");
var _blockEditingMode = require("../components/block-editing-mode");
var _jsxRuntime = require("react/jsx-runtime");
/**
 * External dependencies
 */

/**
 * WordPress dependencies
 */

/**
 * Internal dependencies
 */

/**
 * Filters registered block settings, extending attributes to include `className`.
 *
 * @param {Object} settings Original block settings.
 *
 * @return {Object} Filtered block settings.
 */
function addAttribute(settings) {
  if ((0, _blocks.hasBlockSupport)(settings, 'customClassName', true)) {
    // Gracefully handle if settings.attributes is undefined.
    settings.attributes = {
      ...settings.attributes,
      className: {
        type: 'string'
      }
    };
  }
  return settings;
}
function CustomClassNameControlsPure({
  className,
  setAttributes
}) {
  const blockEditingMode = (0, _blockEditingMode.useBlockEditingMode)();
  if (blockEditingMode !== 'default') {
    return null;
  }
  return /*#__PURE__*/(0, _jsxRuntime.jsx)(_components2.InspectorControls, {
    group: "advanced",
    children: /*#__PURE__*/(0, _jsxRuntime.jsx)(_components.TextControl, {
      __nextHasNoMarginBottom: true,
      __next40pxDefaultSize: true,
      autoComplete: "off",
      label: (0, _i18n.__)('Additional CSS class(es)'),
      value: className || '',
      onChange: nextValue => {
        setAttributes({
          className: nextValue !== '' ? nextValue : undefined
        });
      },
      help: (0, _i18n.__)('Separate multiple classes with spaces.')
    })
  });
}
var _default = exports.default = {
  edit: CustomClassNameControlsPure,
  addSaveProps,
  attributeKeys: ['className'],
  hasSupport(name) {
    return (0, _blocks.hasBlockSupport)(name, 'customClassName', true);
  }
};
/**
 * Override props assigned to save component to inject the className, if block
 * supports customClassName. This is only applied if the block's save result is an
 * element and not a markup string.
 *
 * @param {Object} extraProps Additional props applied to save element.
 * @param {Object} blockType  Block type.
 * @param {Object} attributes Current block attributes.
 *
 * @return {Object} Filtered props applied to save element.
 */
function addSaveProps(extraProps, blockType, attributes) {
  if ((0, _blocks.hasBlockSupport)(blockType, 'customClassName', true) && attributes.className) {
    extraProps.className = (0, _clsx.default)(extraProps.className, attributes.className);
  }
  return extraProps;
}
function addTransforms(result, source, index, results) {
  if (!(0, _blocks.hasBlockSupport)(result.name, 'customClassName', true)) {
    return result;
  }

  // If the condition verifies we are probably in the presence of a wrapping transform
  // e.g: nesting paragraphs in a group or columns and in that case the class should not be kept.
  if (results.length === 1 && result.innerBlocks.length === source.length) {
    return result;
  }

  // If we are transforming one block to multiple blocks or multiple blocks to one block,
  // we ignore the class during the transform.
  if (results.length === 1 && source.length > 1 || results.length > 1 && source.length === 1) {
    return result;
  }

  // If we are in presence of transform between one or more block in the source
  // that have one or more blocks in the result
  // we apply the class on source N to the result N,
  // if source N does not exists we do nothing.
  if (source[index]) {
    const originClassName = source[index]?.attributes.className;
    // Avoid overriding classes if the transformed block already includes them.
    if (originClassName && result.attributes.className === undefined) {
      return {
        ...result,
        attributes: {
          ...result.attributes,
          className: originClassName
        }
      };
    }
  }
  return result;
}
(0, _hooks.addFilter)('blocks.registerBlockType', 'core/editor/custom-class-name/attribute', addAttribute);
(0, _hooks.addFilter)('blocks.switchToBlockType.transformedBlock', 'core/color/addTransforms', addTransforms);
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