/*
 * Copyright 2020 The Kubernetes Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import React from 'react';
import { Text, TextVariants } from '@patternfly/react-core/dist/esm/components/Text';
export function anchorFrom(uuid, txt) {
    return `${uuid}-${txt}`;
}
export default function heading(uuid) {
    return function Heading(props) {
        const valueChild = props.children
            ? props.children.length === 1
                ? props.children[0]
                : props.children.find(_ => typeof _ === 'string')
            : ''; // empty heading e.g. just "#" on its own line
        const anchor = !valueChild || typeof valueChild !== 'string'
            ? undefined
            : anchorFrom(uuid, valueChild.toLowerCase().replace(/ /g, '-'));
        return (React.createElement(Text, { id: props.id, component: TextVariants['h' + props.level], "data-markdown-anchor": anchor }, props.children));
    };
}
//# sourceMappingURL=heading.js.map