;(function() {
/**
 * Promise polyfill taken from https://github.com/stefanpenner/es6-promise.
 */
(function(){!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):t.ES6Promise=e()}(this,function(){"use strict";function t(t){var e=typeof t;return null!==t&&("object"===e||"function"===e)}function e(t){return"function"==typeof t}function n(t){W=t}function r(t){z=t}function o(){return function(){return process.nextTick(a)}}function i(){return"undefined"!=typeof U?function(){U(a)}:c()}function s(){var t=0,e=new H(a),n=document.createTextNode("");return e.observe(n,{characterData:!0}),function(){n.data=t=++t%2}}function u(){var t=new MessageChannel;return t.port1.onmessage=a,function(){return t.port2.postMessage(0)}}function c(){var t=setTimeout;return function(){return t(a,1)}}function a(){for(var t=0;t<N;t+=2){var e=Q[t],n=Q[t+1];e(n),Q[t]=void 0,Q[t+1]=void 0}N=0}function f(){try{var t=Function("return this")().require("vertx");return U=t.runOnLoop||t.runOnContext,i()}catch(e){return c()}}function l(t,e){var n=this,r=new this.constructor(p);void 0===r[V]&&x(r);var o=n._state;if(o){var i=arguments[o-1];z(function(){return T(o,r,i,n._result)})}else j(n,r,t,e);return r}function h(t){var e=this;if(t&&"object"==typeof t&&t.constructor===e)return t;var n=new e(p);return w(n,t),n}function p(){}function v(){return new TypeError("You cannot resolve a promise with itself")}function d(){return new TypeError("A promises callback cannot return that same promise.")}function _(t,e,n,r){try{t.call(e,n,r)}catch(o){return o}}function y(t,e,n){z(function(t){var r=!1,o=_(n,e,function(n){r||(r=!0,e!==n?w(t,n):A(t,n))},function(e){r||(r=!0,S(t,e))},"Settle: "+(t._label||" unknown promise"));!r&&o&&(r=!0,S(t,o))},t)}function m(t,e){e._state===Z?A(t,e._result):e._state===$?S(t,e._result):j(e,void 0,function(e){return w(t,e)},function(e){return S(t,e)})}function b(t,n,r){n.constructor===t.constructor&&r===l&&n.constructor.resolve===h?m(t,n):void 0===r?A(t,n):e(r)?y(t,n,r):A(t,n)}function w(e,n){if(e===n)S(e,v());else if(t(n)){var r=void 0;try{r=n.then}catch(o){return void S(e,o)}b(e,n,r)}else A(e,n)}function g(t){t._onerror&&t._onerror(t._result),E(t)}function A(t,e){t._state===X&&(t._result=e,t._state=Z,0!==t._subscribers.length&&z(E,t))}function S(t,e){t._state===X&&(t._state=$,t._result=e,z(g,t))}function j(t,e,n,r){var o=t._subscribers,i=o.length;t._onerror=null,o[i]=e,o[i+Z]=n,o[i+$]=r,0===i&&t._state&&z(E,t)}function E(t){var e=t._subscribers,n=t._state;if(0!==e.length){for(var r=void 0,o=void 0,i=t._result,s=0;s<e.length;s+=3)r=e[s],o=e[s+n],r?T(n,r,o,i):o(i);t._subscribers.length=0}}function T(t,n,r,o){var i=e(r),s=void 0,u=void 0,c=!0;if(i){try{s=r(o)}catch(a){c=!1,u=a}if(n===s)return void S(n,d())}else s=o;n._state!==X||(i&&c?w(n,s):c===!1?S(n,u):t===Z?A(n,s):t===$&&S(n,s))}function M(t,e){try{e(function(e){w(t,e)},function(e){S(t,e)})}catch(n){S(t,n)}}function P(){return tt++}function x(t){t[V]=tt++,t._state=void 0,t._result=void 0,t._subscribers=[]}function C(){return new Error("Array Methods must be provided an Array")}function O(t){return new et(this,t).promise}function k(t){var e=this;return new e(L(t)?function(n,r){for(var o=t.length,i=0;i<o;i++)e.resolve(t[i]).then(n,r)}:function(t,e){return e(new TypeError("You must pass an array to race."))})}function F(t){var e=this,n=new e(p);return S(n,t),n}function Y(){throw new TypeError("You must pass a resolver function as the first argument to the promise constructor")}function q(){throw new TypeError("Failed to construct 'Promise': Please use the 'new' operator, this object constructor cannot be called as a function.")}function D(){var t=void 0;if("undefined"!=typeof global)t=global;else if("undefined"!=typeof self)t=self;else try{t=Function("return this")()}catch(e){throw new Error("polyfill failed because global object is unavailable in this environment")}var n=t.Promise;if(n){var r=null;try{r=Object.prototype.toString.call(n.resolve())}catch(e){}if("[object Promise]"===r&&!n.cast)return}t.Promise=nt}var K=void 0;K=Array.isArray?Array.isArray:function(t){return"[object Array]"===Object.prototype.toString.call(t)};var L=K,N=0,U=void 0,W=void 0,z=function(t,e){Q[N]=t,Q[N+1]=e,N+=2,2===N&&(W?W(a):R())},B="undefined"!=typeof window?window:void 0,G=B||{},H=G.MutationObserver||G.WebKitMutationObserver,I="undefined"==typeof self&&"undefined"!=typeof process&&"[object process]"==={}.toString.call(process),J="undefined"!=typeof Uint8ClampedArray&&"undefined"!=typeof importScripts&&"undefined"!=typeof MessageChannel,Q=new Array(1e3),R=void 0;R=I?o():H?s():J?u():void 0===B&&"function"==typeof require?f():c();var V=Math.random().toString(36).substring(2),X=void 0,Z=1,$=2,tt=0,et=function(){function t(t,e){this._instanceConstructor=t,this.promise=new t(p),this.promise[V]||x(this.promise),L(e)?(this.length=e.length,this._remaining=e.length,this._result=new Array(this.length),0===this.length?A(this.promise,this._result):(this.length=this.length||0,this._enumerate(e),0===this._remaining&&A(this.promise,this._result))):S(this.promise,C())}return t.prototype._enumerate=function(t){for(var e=0;this._state===X&&e<t.length;e++)this._eachEntry(t[e],e)},t.prototype._eachEntry=function(t,e){var n=this._instanceConstructor,r=n.resolve;if(r===h){var o=void 0,i=void 0,s=!1;try{o=t.then}catch(u){s=!0,i=u}if(o===l&&t._state!==X)this._settledAt(t._state,e,t._result);else if("function"!=typeof o)this._remaining--,this._result[e]=t;else if(n===nt){var c=new n(p);s?S(c,i):b(c,t,o),this._willSettleAt(c,e)}else this._willSettleAt(new n(function(e){return e(t)}),e)}else this._willSettleAt(r(t),e)},t.prototype._settledAt=function(t,e,n){var r=this.promise;r._state===X&&(this._remaining--,t===$?S(r,n):this._result[e]=n),0===this._remaining&&A(r,this._result)},t.prototype._willSettleAt=function(t,e){var n=this;j(t,void 0,function(t){return n._settledAt(Z,e,t)},function(t){return n._settledAt($,e,t)})},t}(),nt=function(){function t(e){this[V]=P(),this._result=this._state=void 0,this._subscribers=[],p!==e&&("function"!=typeof e&&Y(),this instanceof t?M(this,e):q())}return t.prototype["catch"]=function(t){return this.then(null,t)},t.prototype["finally"]=function(t){var n=this,r=n.constructor;return e(t)?n.then(function(e){return r.resolve(t()).then(function(){return e})},function(e){return r.resolve(t()).then(function(){throw e})}):n.then(t,t)},t}();return nt.prototype.then=l,nt.all=O,nt.race=k,nt.resolve=h,nt.reject=F,nt._setScheduler=n,nt._setAsap=r,nt._asap=z,nt.polyfill=D,nt.Promise=nt,nt.polyfill(),nt});})();
/**
 * Array.prototype.find polyfill taken from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/find.
 */
(function(){Array.prototype.find||Object.defineProperty(Array.prototype,"find",{value:function(r){if(null==this)throw TypeError('"this" is null or not defined');var t=Object(this),e=t.length>>>0;if("function"!=typeof r)throw TypeError("predicate must be a function");for(var i=arguments[1],o=0;o<e;){var n=t[o];if(r.call(i,n,o,t))return n;o++}},configurable:!0,writable:!0});})();
/**
 * Array.prototype.includes polyfill taken from https://stackoverflow.com/a/53308988.
 */
(function(){Array.prototype.includes||(Array.prototype.includes=function(r){return!!~this.indexOf(r)});})();
/**
 * Element.prototype.closest polyfill taken from https://developer.mozilla.org/en-US/docs/Web/API/Element/closest.
 */
(function(){Element.prototype.matches||(Element.prototype.matches=Element.prototype.msMatchesSelector||Element.prototype.webkitMatchesSelector),Element.prototype.closest||(Element.prototype.closest=function(e){var t=this;do{if(Element.prototype.matches.call(t,e))return t;t=t.parentElement||t.parentNode}while(null!==t&&1===t.nodeType);return null});})();
/**
 * Element.prototype.matches polyfill taken from https://developer.mozilla.org/en-US/docs/Web/API/Element/matches.
 */
(function(){Element.prototype.matches||(Element.prototype.matches=Element.prototype.msMatchesSelector||Element.prototype.webkitMatchesSelector);})();

/**
 * fetch polyfill taken from https://github.com/github/fetch.
 *
 * Copyright (c) 2014-2016 GitHub, Inc.
 *
 * 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.
 */
(function(){!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e(t.WHATWGFetch={})}(this,function(t){"use strict";var e="undefined"!=typeof globalThis&&globalThis||"undefined"!=typeof self&&self||void 0!==e&&e,r={searchParams:"URLSearchParams"in e,iterable:"Symbol"in e&&"iterator"in Symbol,blob:"FileReader"in e&&"Blob"in e&&function(){try{return new Blob,!0}catch(t){return!1}}(),formData:"FormData"in e,arrayBuffer:"ArrayBuffer"in e};if(r.arrayBuffer)var o=["[object Int8Array]","[object Uint8Array]","[object Uint8ClampedArray]","[object Int16Array]","[object Uint16Array]","[object Int32Array]","[object Uint32Array]","[object Float32Array]","[object Float64Array]"],n=ArrayBuffer.isView||function(t){return t&&o.indexOf(Object.prototype.toString.call(t))>-1};function i(t){if("string"!=typeof t&&(t=String(t)),/[^a-z0-9\-#$%&'*+.^_`|~!]/i.test(t)||""===t)throw new TypeError("Invalid character in header field name");return t.toLowerCase()}function s(t){return"string"!=typeof t&&(t=String(t)),t}function a(t){var e={next:function(){var e=t.shift();return{done:void 0===e,value:e}}};return r.iterable&&(e[Symbol.iterator]=function(){return e}),e}function h(t){this.map={},t instanceof h?t.forEach(function(t,e){this.append(e,t)},this):Array.isArray(t)?t.forEach(function(t){this.append(t[0],t[1])},this):t&&Object.getOwnPropertyNames(t).forEach(function(e){this.append(e,t[e])},this)}function f(t){if(t.bodyUsed)return Promise.reject(new TypeError("Already read"));t.bodyUsed=!0}function u(t){return new Promise(function(e,r){t.onload=function(){e(t.result)},t.onerror=function(){r(t.error)}})}function c(t){var e=new FileReader,r=u(e);return e.readAsArrayBuffer(t),r}function d(t){if(t.slice)return t.slice(0);var e=new Uint8Array(t.byteLength);return e.set(new Uint8Array(t)),e.buffer}function y(){return this.bodyUsed=!1,this._initBody=function(t){var e;this.bodyUsed=this.bodyUsed,this._bodyInit=t,t?"string"==typeof t?this._bodyText=t:r.blob&&Blob.prototype.isPrototypeOf(t)?this._bodyBlob=t:r.formData&&FormData.prototype.isPrototypeOf(t)?this._bodyFormData=t:r.searchParams&&URLSearchParams.prototype.isPrototypeOf(t)?this._bodyText=t.toString():r.arrayBuffer&&r.blob&&((e=t)&&DataView.prototype.isPrototypeOf(e))?(this._bodyArrayBuffer=d(t.buffer),this._bodyInit=new Blob([this._bodyArrayBuffer])):r.arrayBuffer&&(ArrayBuffer.prototype.isPrototypeOf(t)||n(t))?this._bodyArrayBuffer=d(t):this._bodyText=t=Object.prototype.toString.call(t):this._bodyText="",this.headers.get("content-type")||("string"==typeof t?this.headers.set("content-type","text/plain;charset=UTF-8"):this._bodyBlob&&this._bodyBlob.type?this.headers.set("content-type",this._bodyBlob.type):r.searchParams&&URLSearchParams.prototype.isPrototypeOf(t)&&this.headers.set("content-type","application/x-www-form-urlencoded;charset=UTF-8"))},r.blob&&(this.blob=function(){var t=f(this);if(t)return t;if(this._bodyBlob)return Promise.resolve(this._bodyBlob);if(this._bodyArrayBuffer)return Promise.resolve(new Blob([this._bodyArrayBuffer]));if(this._bodyFormData)throw new Error("could not read FormData body as blob");return Promise.resolve(new Blob([this._bodyText]))},this.arrayBuffer=function(){if(this._bodyArrayBuffer){var t=f(this);return t||(ArrayBuffer.isView(this._bodyArrayBuffer)?Promise.resolve(this._bodyArrayBuffer.buffer.slice(this._bodyArrayBuffer.byteOffset,this._bodyArrayBuffer.byteOffset+this._bodyArrayBuffer.byteLength)):Promise.resolve(this._bodyArrayBuffer))}return this.blob().then(c)}),this.text=function(){var t,e,r,o=f(this);if(o)return o;if(this._bodyBlob)return t=this._bodyBlob,e=new FileReader,r=u(e),e.readAsText(t),r;if(this._bodyArrayBuffer)return Promise.resolve(function(t){for(var e=new Uint8Array(t),r=new Array(e.length),o=0;o<e.length;o++)r[o]=String.fromCharCode(e[o]);return r.join("")}(this._bodyArrayBuffer));if(this._bodyFormData)throw new Error("could not read FormData body as text");return Promise.resolve(this._bodyText)},r.formData&&(this.formData=function(){return this.text().then(b)}),this.json=function(){return this.text().then(JSON.parse)},this}h.prototype.append=function(t,e){t=i(t),e=s(e);var r=this.map[t];this.map[t]=r?r+", "+e:e},h.prototype.delete=function(t){delete this.map[i(t)]},h.prototype.get=function(t){return t=i(t),this.has(t)?this.map[t]:null},h.prototype.has=function(t){return this.map.hasOwnProperty(i(t))},h.prototype.set=function(t,e){this.map[i(t)]=s(e)},h.prototype.forEach=function(t,e){for(var r in this.map)this.map.hasOwnProperty(r)&&t.call(e,this.map[r],r,this)},h.prototype.keys=function(){var t=[];return this.forEach(function(e,r){t.push(r)}),a(t)},h.prototype.values=function(){var t=[];return this.forEach(function(e){t.push(e)}),a(t)},h.prototype.entries=function(){var t=[];return this.forEach(function(e,r){t.push([r,e])}),a(t)},r.iterable&&(h.prototype[Symbol.iterator]=h.prototype.entries);var p=["DELETE","GET","HEAD","OPTIONS","POST","PUT"];function l(t,e){if(!(this instanceof l))throw new TypeError('Please use the "new" operator, this DOM object constructor cannot be called as a function.');var r,o,n=(e=e||{}).body;if(t instanceof l){if(t.bodyUsed)throw new TypeError("Already read");this.url=t.url,this.credentials=t.credentials,e.headers||(this.headers=new h(t.headers)),this.method=t.method,this.mode=t.mode,this.signal=t.signal,n||null==t._bodyInit||(n=t._bodyInit,t.bodyUsed=!0)}else this.url=String(t);if(this.credentials=e.credentials||this.credentials||"same-origin",!e.headers&&this.headers||(this.headers=new h(e.headers)),this.method=(r=e.method||this.method||"GET",o=r.toUpperCase(),p.indexOf(o)>-1?o:r),this.mode=e.mode||this.mode||null,this.signal=e.signal||this.signal,this.referrer=null,("GET"===this.method||"HEAD"===this.method)&&n)throw new TypeError("Body not allowed for GET or HEAD requests");if(this._initBody(n),!("GET"!==this.method&&"HEAD"!==this.method||"no-store"!==e.cache&&"no-cache"!==e.cache)){var i=/([?&])_=[^&]*/;if(i.test(this.url))this.url=this.url.replace(i,"$1_="+(new Date).getTime());else{this.url+=(/\?/.test(this.url)?"&":"?")+"_="+(new Date).getTime()}}}function b(t){var e=new FormData;return t.trim().split("&").forEach(function(t){if(t){var r=t.split("="),o=r.shift().replace(/\+/g," "),n=r.join("=").replace(/\+/g," ");e.append(decodeURIComponent(o),decodeURIComponent(n))}}),e}function m(t,e){if(!(this instanceof m))throw new TypeError('Please use the "new" operator, this DOM object constructor cannot be called as a function.');e||(e={}),this.type="default",this.status=void 0===e.status?200:e.status,this.ok=this.status>=200&&this.status<300,this.statusText="statusText"in e?e.statusText:"",this.headers=new h(e.headers),this.url=e.url||"",this._initBody(t)}l.prototype.clone=function(){return new l(this,{body:this._bodyInit})},y.call(l.prototype),y.call(m.prototype),m.prototype.clone=function(){return new m(this._bodyInit,{status:this.status,statusText:this.statusText,headers:new h(this.headers),url:this.url})},m.error=function(){var t=new m(null,{status:0,statusText:""});return t.type="error",t};var w=[301,302,303,307,308];m.redirect=function(t,e){if(-1===w.indexOf(e))throw new RangeError("Invalid status code");return new m(null,{status:e,headers:{location:t}})},t.DOMException=e.DOMException;try{new t.DOMException}catch(e){t.DOMException=function(t,e){this.message=t,this.name=e;var r=Error(t);this.stack=r.stack},t.DOMException.prototype=Object.create(Error.prototype),t.DOMException.prototype.constructor=t.DOMException}function v(o,n){return new Promise(function(i,a){var f=new l(o,n);if(f.signal&&f.signal.aborted)return a(new t.DOMException("Aborted","AbortError"));var u=new XMLHttpRequest;function c(){u.abort()}u.onload=function(){var t,e,r={status:u.status,statusText:u.statusText,headers:(t=u.getAllResponseHeaders()||"",e=new h,t.replace(/\r?\n[\t ]+/g," ").split(/\r?\n/).forEach(function(t){var r=t.split(":"),o=r.shift().trim();if(o){var n=r.join(":").trim();e.append(o,n)}}),e)};r.url="responseURL"in u?u.responseURL:r.headers.get("X-Request-URL");var o="response"in u?u.response:u.responseText;setTimeout(function(){i(new m(o,r))},0)},u.onerror=function(){setTimeout(function(){a(new TypeError("Network request failed"))},0)},u.ontimeout=function(){setTimeout(function(){a(new TypeError("Network request failed"))},0)},u.onabort=function(){setTimeout(function(){a(new t.DOMException("Aborted","AbortError"))},0)},u.open(f.method,function(t){try{return""===t&&e.location.href?e.location.href:t}catch(e){return t}}(f.url),!0),"include"===f.credentials?u.withCredentials=!0:"omit"===f.credentials&&(u.withCredentials=!1),"responseType"in u&&(r.blob?u.responseType="blob":r.arrayBuffer&&f.headers.get("Content-Type")&&-1!==f.headers.get("Content-Type").indexOf("application/octet-stream")&&(u.responseType="arraybuffer")),!n||"object"!=typeof n.headers||n.headers instanceof h?f.headers.forEach(function(t,e){u.setRequestHeader(e,t)}):Object.getOwnPropertyNames(n.headers).forEach(function(t){u.setRequestHeader(t,s(n.headers[t]))}),f.signal&&(f.signal.addEventListener("abort",c),u.onreadystatechange=function(){4===u.readyState&&f.signal.removeEventListener("abort",c)}),u.send(void 0===f._bodyInit?null:f._bodyInit)})}v.polyfill=!0,e.fetch||(e.fetch=v,e.Headers=h,e.Request=l,e.Response=m),t.Headers=h,t.Request=l,t.Response=m,t.fetch=v,Object.defineProperty(t,"__esModule",{value:!0})});})();
/**
 * NodeList.prototype.forEach polyfill taken from https://developer.mozilla.org/en-US/docs/Web/API/NodeList/forEach.
 */
(function(){window.NodeList&&!NodeList.prototype.forEach&&(NodeList.prototype.forEach=Array.prototype.forEach);})();
/**
 * Object.assign polyfill taken from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign.
 */
(function(){"function"!=typeof Object.assign&&Object.defineProperty(Object,"assign",{value:function(e,t){"use strict";if(null==e)throw new TypeError("Cannot convert undefined or null to object");for(var n=Object(e),r=1;r<arguments.length;r++){var o=arguments[r];if(null!=o)for(var c in o)Object.prototype.hasOwnProperty.call(o,c)&&(n[c]=o[c])}return n},writable:!0,configurable:!0});})();
}());