/**
 * Minified by jsDelivr using UglifyJS v3.4.0.
 * Original file: /npm/whatwg-fetch@2.0.3/fetch.js
 * 
 * Do NOT use SRI with dynamically generated files! More information: https://www.jsdelivr.com/using-sri-with-dynamic-files
 */
!function(t){"use strict";if(!t.fetch){var e="URLSearchParams"in t,r="Symbol"in t&&"iterator"in Symbol,s="FileReader"in t&&"Blob"in t&&function(){try{return new Blob,!0}catch(t){return!1}}(),o="FormData"in t,n="ArrayBuffer"in t;if(n)var i=["[object Int8Array]","[object Uint8Array]","[object Uint8ClampedArray]","[object Int16Array]","[object Uint16Array]","[object Int32Array]","[object Uint32Array]","[object Float32Array]","[object Float64Array]"],a=function(t){return t&&DataView.prototype.isPrototypeOf(t)},h=ArrayBuffer.isView||function(t){return t&&-1<i.indexOf(Object.prototype.toString.call(t))};c.prototype.append=function(t,e){t=d(t),e=y(e);var r=this.map[t];this.map[t]=r?r+","+e:e},c.prototype.delete=function(t){delete this.map[d(t)]},c.prototype.get=function(t){return t=d(t),this.has(t)?this.map[t]:null},c.prototype.has=function(t){return this.map.hasOwnProperty(d(t))},c.prototype.set=function(t,e){this.map[d(t)]=y(e)},c.prototype.forEach=function(t,e){for(var r in this.map)this.map.hasOwnProperty(r)&&t.call(e,this.map[r],r,this)},c.prototype.keys=function(){var r=[];return this.forEach(function(t,e){r.push(e)}),p(r)},c.prototype.values=function(){var e=[];return this.forEach(function(t){e.push(t)}),p(e)},c.prototype.entries=function(){var r=[];return this.forEach(function(t,e){r.push([e,t])}),p(r)},r&&(c.prototype[Symbol.iterator]=c.prototype.entries);var u=["DELETE","GET","HEAD","OPTIONS","POST","PUT"];_.prototype.clone=function(){return new _(this,{body:this._bodyInit})},v.call(_.prototype),v.call(B.prototype),B.prototype.clone=function(){return new B(this._bodyInit,{status:this.status,statusText:this.statusText,headers:new c(this.headers),url:this.url})},B.error=function(){var t=new B(null,{status:0,statusText:""});return t.type="error",t};var f=[301,302,303,307,308];B.redirect=function(t,e){if(-1===f.indexOf(e))throw new RangeError("Invalid status code");return new B(null,{status:e,headers:{location:t}})},t.Headers=c,t.Request=_,t.Response=B,t.fetch=function(r,n){return new Promise(function(o,t){var e=new _(r,n),i=new XMLHttpRequest;i.onload=function(){var t,n,e={status:i.status,statusText:i.statusText,headers:(t=i.getAllResponseHeaders()||"",n=new c,t.split(/\r?\n/).forEach(function(t){var e=t.split(":"),r=e.shift().trim();if(r){var o=e.join(":").trim();n.append(r,o)}}),n)};e.url="responseURL"in i?i.responseURL:e.headers.get("X-Request-URL");var r="response"in i?i.response:i.responseText;o(new B(r,e))},i.onerror=function(){t(new TypeError("Network request failed"))},i.ontimeout=function(){t(new TypeError("Network request failed"))},i.open(e.method,e.url,!0),"include"===e.credentials&&(i.withCredentials=!0),"responseType"in i&&s&&(i.responseType="blob"),e.headers.forEach(function(t,e){i.setRequestHeader(e,t)}),i.send(void 0===e._bodyInit?null:e._bodyInit)})},t.fetch.polyfill=!0}function d(t){if("string"!=typeof t&&(t=String(t)),/[^a-z0-9\-#$%&'*+.\^_`|~]/i.test(t))throw new TypeError("Invalid character in header field name");return t.toLowerCase()}function y(t){return"string"!=typeof t&&(t=String(t)),t}function p(e){var t={next:function(){var t=e.shift();return{done:void 0===t,value:t}}};return r&&(t[Symbol.iterator]=function(){return t}),t}function c(e){this.map={},e instanceof c?e.forEach(function(t,e){this.append(e,t)},this):Array.isArray(e)?e.forEach(function(t){this.append(t[0],t[1])},this):e&&Object.getOwnPropertyNames(e).forEach(function(t){this.append(t,e[t])},this)}function l(t){if(t.bodyUsed)return Promise.reject(new TypeError("Already read"));t.bodyUsed=!0}function b(r){return new Promise(function(t,e){r.onload=function(){t(r.result)},r.onerror=function(){e(r.error)}})}function m(t){var e=new FileReader,r=b(e);return e.readAsArrayBuffer(t),r}function w(t){if(t.slice)return t.slice(0);var e=new Uint8Array(t.byteLength);return e.set(new Uint8Array(t)),e.buffer}function v(){return this.bodyUsed=!1,this._initBody=function(t){if(this._bodyInit=t)if("string"==typeof t)this._bodyText=t;else if(s&&Blob.prototype.isPrototypeOf(t))this._bodyBlob=t;else if(o&&FormData.prototype.isPrototypeOf(t))this._bodyFormData=t;else if(e&&URLSearchParams.prototype.isPrototypeOf(t))this._bodyText=t.toString();else if(n&&s&&a(t))this._bodyArrayBuffer=w(t.buffer),this._bodyInit=new Blob([this._bodyArrayBuffer]);else{if(!n||!ArrayBuffer.prototype.isPrototypeOf(t)&&!h(t))throw new Error("unsupported BodyInit type");this._bodyArrayBuffer=w(t)}else 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):e&&URLSearchParams.prototype.isPrototypeOf(t)&&this.headers.set("content-type","application/x-www-form-urlencoded;charset=UTF-8"))},s&&(this.blob=function(){var t=l(this);if(t)return t;if(this._bodyBlob)return 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instanceof _){if(t.bodyUsed)throw new TypeError("Already read");this.url=t.url,this.credentials=t.credentials,e.headers||(this.headers=new c(t.headers)),this.method=t.method,this.mode=t.mode,n||null==t._bodyInit||(n=t._bodyInit,t.bodyUsed=!0)}else this.url=String(t);if(this.credentials=e.credentials||this.credentials||"omit",!e.headers&&this.headers||(this.headers=new c(e.headers)),this.method=(r=e.method||this.method||"GET",o=r.toUpperCase(),-1<u.indexOf(o)?o:r),this.mode=e.mode||this.mode||null,this.referrer=null,("GET"===this.method||"HEAD"===this.method)&&n)throw new TypeError("Body not allowed for GET or HEAD requests");this._initBody(n)}function A(t){var n=new FormData;return t.trim().split("&").forEach(function(t){if(t){var e=t.split("="),r=e.shift().replace(/\+/g," "),o=e.join("=").replace(/\+/g," ");n.append(decodeURIComponent(r),decodeURIComponent(o))}}),n}function B(t,e){e||(e={}),this.type="default",this.status="status"in 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