@webcomponents/webcomponentsjs
Version:
Web Components Polyfills
190 lines (178 loc) • 134 kB
JavaScript
/**
@license @nocompile
Copyright (c) 2018 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
*/
(function(){/*
Copyright (c) 2016 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
*/
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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
*/
if(!window.Promise){window.Promise=A;A.prototype.then=A.prototype.then;A.all=Pa;A.race=Sa;A.resolve=Qa;A.reject=Ra;var Ta=document.createTextNode(""),Ua=[];(new MutationObserver(function(){for(var a=Ua.length,b=0;b<a;b++)Ua[b]();Ua.splice(0,a)})).observe(Ta,{characterData:!0});Ka=function(a){Ua.push(a);Ta.textContent=0<Ta.textContent.length?"":"a"}};/*
Copyright (C) 2015 by WebReflection
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
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Copyright (c) 2018 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
*/
var Wa=Object.prototype.toString;Object.prototype.toString=function(){return void 0===this?"[object Undefined]":null===this?"[object Null]":Wa.call(this)};Object.keys=function(a){return Object.getOwnPropertyNames(a).filter(function(b){return(b=Object.getOwnPropertyDescriptor(a,b))&&b.enumerable})};
String.prototype[Symbol.iterator]&&String.prototype.codePointAt||(String.prototype[Symbol.iterator]=function Xa(){var b,c=this;return Ea(Xa,function(d){1==d.g&&(b=0);if(3!=d.g)return b<c.length?d=ya(d,c[b]):(d.g=0,d=void 0),d;b++;d.g=2})});Set.prototype[Symbol.iterator]||(Set.prototype[Symbol.iterator]=function Ya(){var b,c=this,d;return Ea(Ya,function(e){1==e.g&&(b=[],c.forEach(function(f){b.push(f)}),d=0);if(3!=e.g)return d<b.length?e=ya(e,b[d]):(e.g=0,e=void 0),e;d++;e.g=2})});
Map.prototype[Symbol.iterator]||(Map.prototype[Symbol.iterator]=function Za(){var b,c=this,d;return Ea(Za,function(e){1==e.g&&(b=[],c.forEach(function(f,g){b.push([g,f])}),d=0);if(3!=e.g)return d<b.length?e=ya(e,b[d]):(e.g=0,e=void 0),e;d++;e.g=2})});/*
Copyright (c) 2020 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
*/
var $a=document.createEvent("Event");$a.initEvent("foo",!0,!0);$a.preventDefault();if(!$a.defaultPrevented){var ab=Event.prototype.preventDefault;Event.prototype.preventDefault=function(){this.cancelable&&(ab.call(this),Object.defineProperty(this,"defaultPrevented",{get:function(){return!0},configurable:!0}))}}var bb=/Trident/.test(navigator.userAgent);
if(!window.Event||bb&&"function"!==typeof window.Event){var cb=window.Event;window.Event=function(a,b){b=b||{};var c=document.createEvent("Event");c.initEvent(a,!!b.bubbles,!!b.cancelable);return c};if(cb){for(var db in cb)window.Event[db]=cb[db];window.Event.prototype=cb.prototype}}
if(!window.CustomEvent||bb&&"function"!==typeof window.CustomEvent)window.CustomEvent=function(a,b){b=b||{};var c=document.createEvent("CustomEvent");c.initCustomEvent(a,!!b.bubbles,!!b.cancelable,b.detail);return c},window.CustomEvent.prototype=window.Event.prototype;
if(!window.MouseEvent||bb&&"function"!==typeof window.MouseEvent){var eb=window.MouseEvent;window.MouseEvent=function(a,b){b=b||{};var c=document.createEvent("MouseEvent");c.initMouseEvent(a,!!b.bubbles,!!b.cancelable,b.view||window,b.detail,b.screenX,b.screenY,b.clientX,b.clientY,b.ctrlKey,b.altKey,b.shiftKey,b.metaKey,b.button,b.relatedTarget);return c};if(eb)for(var fb in eb)window.MouseEvent[fb]=eb[fb];window.MouseEvent.prototype=eb.prototype};var gb,hb=function(){function a(){e++}var b=!1,c=!1,d={get capture(){return b=!0},get once(){return c=!0}},e=0,f=document.createElement("div");f.addEventListener("click",a,d);var g=b&&c;g&&(f.dispatchEvent(new Event("click")),f.dispatchEvent(new Event("click")),g=1==e);f.removeEventListener("click",a,d);return g}(),kb=null!==(gb=window.EventTarget)&&void 0!==gb?gb:window.Node;
if(!hb&&"addEventListener"in kb.prototype){var lb=function(a){if(!a||"object"!==typeof a&&"function"!==typeof a){var b=!!a;a=!1}else b=!!a.capture,a=!!a.once;return{capture:b,once:a}},mb=kb.prototype.addEventListener,nb=kb.prototype.removeEventListener,qb=new WeakMap,rb=new WeakMap,sb=function(a,b,c){var d=c?qb:rb;c=d.get(a);void 0===c&&d.set(a,c=new Map);a=c.get(b);void 0===a&&c.set(b,a=new WeakMap);return a};kb.prototype.addEventListener=function(a,b,c){var d=this;if(null!=b){c=lb(c);var e=c.capture;
c=c.once;var f=sb(this,a,e);if(!f.has(b)){var g=c?function(h){f.delete(b);nb.call(d,a,g,e);if("function"===typeof b)return b.call(d,h);if("function"===typeof(null===b||void 0===b?void 0:b.handleEvent))return b.handleEvent(h)}:null;f.set(b,g);mb.call(this,a,null!==g&&void 0!==g?g:b,e)}}};kb.prototype.removeEventListener=function(a,b,c){if(null!=b){c=lb(c).capture;var d=sb(this,a,c),e=d.get(b);void 0!==e&&(d.delete(b),nb.call(this,a,null!==e&&void 0!==e?e:b,c))}}};Object.getOwnPropertyDescriptor(Node.prototype,"baseURI")||Object.defineProperty(Node.prototype,"baseURI",{get:function(){var a=(this.ownerDocument||this).querySelector("base[href]");return a&&a.href||window.location.href},configurable:!0,enumerable:!0});/*
Copyright (c) 2020 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
*/
var tb,ub,vb=Element.prototype,wb=null!==(tb=Object.getOwnPropertyDescriptor(vb,"attributes"))&&void 0!==tb?tb:Object.getOwnPropertyDescriptor(Node.prototype,"attributes"),xb=null!==(ub=null===wb||void 0===wb?void 0:wb.get)&&void 0!==ub?ub:function(){return this.attributes},yb=Array.prototype.map;vb.hasOwnProperty("getAttributeNames")||(vb.getAttributeNames=function(){return yb.call(xb.call(this),function(a){return a.name})});var zb,Ab=Element.prototype;Ab.hasOwnProperty("matches")||(Ab.matches=null!==(zb=Ab.webkitMatchesSelector)&&void 0!==zb?zb:Ab.msMatchesSelector);var Bb=Node.prototype.appendChild;function Cb(a){a=a.prototype;a.hasOwnProperty("append")||Object.defineProperty(a,"append",{configurable:!0,enumerable:!0,writable:!0,value:function(b){for(var c=[],d=0;d<arguments.length;++d)c[d]=arguments[d];c=ka(c);for(d=c.next();!d.done;d=c.next())d=d.value,Bb.call(this,"string"===typeof d?document.createTextNode(d):d)}})}Cb(Document);Cb(DocumentFragment);Cb(Element);var Db,Eb,Fb=Node.prototype.insertBefore,Gb=null!==(Eb=null===(Db=Object.getOwnPropertyDescriptor(Node.prototype,"firstChild"))||void 0===Db?void 0:Db.get)&&void 0!==Eb?Eb:function(){return this.firstChild};
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