| /** |
| * @license |
| * 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. |
| */ |
| |
| export { SyntaxError, parse } from './fragment.js'; |
| |
| /** |
| * Convert a Selector or State into a fragment identifier string. |
| * @param {(Selector|State)} resource |
| * @return {string} |
| */ |
| export function stringify(resource) { |
| const data = Object.keys(resource) |
| .map(key => { |
| let value = resource[key]; |
| if (value instanceof Object) value = value.valueOf(); |
| if (value instanceof Object) { |
| value = stringify(value); |
| return `${encodeURIComponent(key)}=${value}`; |
| } |
| return [key, value].map(encodeURIComponent).join('='); |
| }) |
| .join(','); |
| |
| if (/Selector$/.test(resource.type)) return `selector(${data})`; |
| if (/State$/.test(resource.type)) return `state(${data})`; |
| throw new TypeError('Resource must be a Selector or State'); |
| } |