42 lines
1.4 KiB
JavaScript
42 lines
1.4 KiB
JavaScript
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/**
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@license
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Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
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This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
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The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
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The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
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Code distributed by Google as part of the polymer project is also
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subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
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*/
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'use strict';
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/*
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* Polyfills loaded: Custom Elements, Shady DOM/Shady CSS
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* Used in: Safari 9, Firefox, Edge
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*/
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import '../node_modules/@webcomponents/shadydom/src/shadydom.js';
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import '../node_modules/@webcomponents/custom-elements/src/custom-elements.js';
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import '../node_modules/@webcomponents/shadycss/entrypoints/scoping-shim.js';
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let document = window.document;
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// global for (1) existence means `WebComponentsReady` will file,
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// (2) WebComponents.ready == true means event has fired.
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window.WebComponents = window.WebComponents || {};
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function fire() {
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requestAnimationFrame(() => {
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window.WebComponents.ready = true;
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window.document.dispatchEvent(new CustomEvent('WebComponentsReady', { bubbles: true }));
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})
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}
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function wait() {
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fire();
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document.removeEventListener('readystatechange', wait);
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}
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if (document.readyState !== 'loading') {
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fire();
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} else {
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document.addEventListener('readystatechange', wait);
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}
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