/**
@license
Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
*/
import"../../../../@webcomponents/shadycss/entrypoints/custom-style-interface.js";import{cssFromModules as t}from"../utils/style-gather.js";const e="include",s=window.ShadyCSS.CustomStyleInterface;export class CustomStyle extends HTMLElement{constructor(){super(),this._style=null,s.addCustomStyle(this)}getStyle(){if(this._style)return this._style;const s=this.querySelector("style");if(!s)return null;this._style=s;const n=s.getAttribute(e);return n&&(s.removeAttribute(e),s.textContent=t(n)+s.textContent),this.ownerDocument!==window.document&&window.document.head.appendChild(this),this._style}}window.customElements.define("custom-style",CustomStyle);