@wordpress/format-library/build-module/unknown/index.js

Format library for the WordPress editor.

/**
 * WordPress dependencies
 */
import { __ } from '@wordpress/i18n';
import { removeFormat, slice, isCollapsed } from '@wordpress/rich-text';
import { RichTextToolbarButton } from '@wordpress/block-editor';
import { help } from '@wordpress/icons';
import { jsx as _jsx } from "react/jsx-runtime";
const name = 'core/unknown';
const title = __('Clear Unknown Formatting');
function selectionContainsUnknownFormats(value) {
  if (isCollapsed(value)) {
    return false;
  }
  const selectedValue = slice(value);
  return selectedValue.formats.some(formats => {
    return formats.some(format => format.type === name);
  });
}
export const unknown = {
  name,
  title,
  tagName: '*',
  className: null,
  edit({
    isActive,
    value,
    onChange,
    onFocus
  }) {
    if (!isActive && !selectionContainsUnknownFormats(value)) {
      return null;
    }
    function onClick() {
      onChange(removeFormat(value, name));
      onFocus();
    }
    return /*#__PURE__*/_jsx(RichTextToolbarButton, {
      name: "unknown",
      icon: help,
      title: title,
      onClick: onClick,
      isActive: true
    });
  }
};
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