hy-push-state/doc/source/webcomponent/index.md

Turn web sites into web apps

# src / webcomponent / index.js
Copyright (c) 2017 Florian Klampfer <https://qwtel.com/>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.


```js

import 'core-js/fn/array/from';

import { customElementMixin, CustomElement, CUSTOM_ELEMENT_FEATURE_TESTS }
  from 'hy-component/src/custom-element';
import { sGetTemplate } from 'hy-component/src/symbols';
import { Set } from 'qd-set';

import { pushStateMixin, MIXIN_FEATURE_TESTS } from '../mixin';

export const WEBCOMPONENT_FEATURE_TESTS = new Set([
  ...CUSTOM_ELEMENT_FEATURE_TESTS,
  ...MIXIN_FEATURE_TESTS,
]);

export class HTMLPushStateElement extends customElementMixin(pushStateMixin(CustomElement)) {
  static get observedAttributes() { return this.getObservedAttributes(); }

  [sGetTemplate]() { return null; }
}
```