/*!
 * https://github.com/paulmillr/es6-shim
 * @license es6-shim Copyright 2013-2016 by Paul Miller (http://paulmillr.com)
 *   and contributors,  MIT License
 * es6-shim: v0.35.4
 * see https://github.com/paulmillr/es6-shim/blob/0.35.3/LICENSE
 * Details and documentation:
 * https://github.com/paulmillr/es6-shim/
 */
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l(e,n)};i(s,{getPolyfill:u,implementation:p,shim:a});e.exports=s},{"./implementation":161,"./polyfill":184,"./shim":185,"define-properties":163,"es-abstract/es7":166,"function-bind":177}],163:[function(t,e,r){arguments[4][15][0].apply(r,arguments)},{dup:15,foreach:175,"object-keys":182}],164:[function(t,e,r){arguments[4][16][0].apply(r,arguments)},{"./helpers/isFinite":168,"./helpers/mod":170,"./helpers/sign":171,dup:16,"es-to-primitive/es5":172,"is-callable":178}],165:[function(t,e,r){arguments[4][17][0].apply(r,arguments)},{"./es5":164,"./helpers/assign":167,"./helpers/isFinite":168,"./helpers/isPrimitive":169,"./helpers/mod":170,"./helpers/sign":171,dup:17,"es-to-primitive/es6":173,"function-bind":177,"is-regex":180}],166:[function(t,e,r){arguments[4][42][0].apply(r,arguments)},{"./es6":165,"./helpers/assign":167,dup:42}],167:[function(t,e,r){arguments[4][18][0].apply(r,arguments)},{dup:18}],168:[function(t,e,r){arguments[4][19][0].apply(r,arguments)},{dup:19}],169:[function(t,e,r){arguments[4][20][0].apply(r,arguments)},{dup:20}],170:[function(t,e,r){arguments[4][21][0].apply(r,arguments)},{dup:21}],171:[function(t,e,r){arguments[4][22][0].apply(r,arguments)},{dup:22}],172:[function(t,e,r){arguments[4][23][0].apply(r,arguments)},{"./helpers/isPrimitive":174,dup:23,"is-callable":178}],173:[function(t,e,r){arguments[4][24][0].apply(r,arguments)},{"./helpers/isPrimitive":174,dup:24,"is-callable":178,"is-date-object":179,"is-symbol":181}],174:[function(t,e,r){arguments[4][20][0].apply(r,arguments)},{dup:20}],175:[function(t,e,r){arguments[4][26][0].apply(r,arguments)},{dup:26}],176:[function(t,e,r){arguments[4][27][0].apply(r,arguments)},{dup:27}],177:[function(t,e,r){arguments[4][28][0].apply(r,arguments)},{"./implementation":176,dup:28}],178:[function(t,e,r){arguments[4][29][0].apply(r,arguments)},{dup:29}],179:[function(t,e,r){arguments[4][30][0].apply(r,arguments)},{dup:30}],180:[function(t,e,r){arguments[4][31][0].apply(r,arguments)},{dup:31}],181:[function(t,e,r){arguments[4][32][0].apply(r,arguments)},{dup:32}],182:[function(t,e,r){arguments[4][33][0].apply(r,arguments)},{"./isArguments":183,dup:33}],183:[function(t,e,r){arguments[4][34][0].apply(r,arguments)},{dup:34}],184:[function(t,e,r){"use strict";var n=t("./implementation");e.exports=function t(){return typeof String.prototype.padStart==="function"?String.prototype.padStart:n}},{"./implementation":161}],185:[function(t,e,r){"use strict";var n=t("./polyfill");var i=t("define-properties");e.exports=function t(){var e=n();i(String.prototype,{padStart:e},{padStart:function(){return String.prototype.padStart!==e}});return e}},{"./polyfill":184,"define-properties":163}],186:[function(t,e,r){"use strict";var n=t("function-bind");var i=n.call(Function.call,String.prototype.replace);var o=/^[\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF]*/;e.exports=function t(){return i(this,o,"")}},{"function-bind":191}],187:[function(t,e,r){"use strict";var n=t("function-bind");var i=t("define-properties");var o=t("./implementation");var p=t("./polyfill");var u=t("./shim");var a=n.call(Function.call,p());i(a,{getPolyfill:p,implementation:o,shim:u});e.exports=a},{"./implementation":186,"./polyfill":194,"./shim":195,"define-properties":188,"function-bind":191}],188:[function(t,e,r){arguments[4][15][0].apply(r,arguments)},{dup:15,foreach:189,"object-keys":192}],189:[function(t,e,r){arguments[4][26][0].apply(r,arguments)},{dup:26}],190:[function(t,e,r){arguments[4][27][0].apply(r,arguments)},{dup:27}],191:[function(t,e,r){arguments[4][28][0].apply(r,arguments)},{"./implementation":190,dup:28}],192:[function(t,e,r){arguments[4][33][0].apply(r,arguments)},{"./isArguments":193,dup:33}],193:[function(t,e,r){arguments[4][34][0].apply(r,arguments)},{dup:34}],194:[function(t,e,r){"use strict";var n=t("./implementation");e.exports=function t(){if(!String.prototype.trimLeft){return n}var e="\u200b";if(e.trimLeft()!==e){return n}return String.prototype.trimLeft}},{"./implementation":186}],195:[function(t,e,r){"use strict";var n=t("define-properties");var i=t("./polyfill");e.exports=function t(){var e=i();n(String.prototype,{trimLeft:e},{trimLeft:function(){return String.prototype.trimLeft!==e}});return e}},{"./polyfill":194,"define-properties":188}],196:[function(t,e,r){"use strict";var n=t("function-bind");var i=n.call(Function.call,String.prototype.replace);var o=/[\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF]*$/;e.exports=function t(){return i(this,o,"")}},{"function-bind":201}],197:[function(t,e,r){arguments[4][187][0].apply(r,arguments)},{"./implementation":196,"./polyfill":204,"./shim":205,"define-properties":198,dup:187,"function-bind":201}],198:[function(t,e,r){arguments[4][15][0].apply(r,arguments)},{dup:15,foreach:199,"object-keys":202}],199:[function(t,e,r){arguments[4][26][0].apply(r,arguments)},{dup:26}],200:[function(t,e,r){arguments[4][27][0].apply(r,arguments)},{dup:27}],201:[function(t,e,r){arguments[4][28][0].apply(r,arguments)},{"./implementation":200,dup:28}],202:[function(t,e,r){arguments[4][33][0].apply(r,arguments)},{"./isArguments":203,dup:33}],203:[function(t,e,r){arguments[4][34][0].apply(r,arguments)},{dup:34}],204:[function(t,e,r){"use strict";var n=t("./implementation");e.exports=function t(){if(!String.prototype.trimRight){return n}var e="\u200b";if(e.trimRight()!==e){return n}return String.prototype.trimRight}},{"./implementation":196}],205:[function(t,e,r){"use strict";var n=t("define-properties");var i=t("./polyfill");e.exports=function t(){var e=i();n(String.prototype,{trimRight:e},{trimRight:function(){return String.prototype.trimRight!==e}});return e}},{"./polyfill":204,"define-properties":198}],206:[function(t,e,r){"use strict";e.exports=t("./es7-shim").shim()},{"./es7-shim":12}]},{},[206]);


(function(self) {
  'use strict';

  if (self.fetch) {
    return
  }

  var support = {
    searchParams: 'URLSearchParams' in self,
    iterable: 'Symbol' in self && 'iterator' in Symbol,
    blob: 'FileReader' in self && 'Blob' in self && (function() {
      try {
        new Blob()
        return true
      } catch(e) {
        return false
      }
    })(),
    formData: 'FormData' in self,
    arrayBuffer: 'ArrayBuffer' in self
  }

  if (support.arrayBuffer) {
    var viewClasses = [
      '[object Int8Array]',
      '[object Uint8Array]',
      '[object Uint8ClampedArray]',
      '[object Int16Array]',
      '[object Uint16Array]',
      '[object Int32Array]',
      '[object Uint32Array]',
      '[object Float32Array]',
      '[object Float64Array]'
    ]

    var isDataView = function(obj) {
      return obj && DataView.prototype.isPrototypeOf(obj)
    }

    var isArrayBufferView = ArrayBuffer.isView || function(obj) {
      return obj && viewClasses.indexOf(Object.prototype.toString.call(obj)) > -1
    }
  }

  function normalizeName(name) {
    if (typeof name !== 'string') {
      name = String(name)
    }
    if (/[^a-z0-9\-#$%&'*+.\^_`|~]/i.test(name)) {
      throw new TypeError('Invalid character in header field name')
    }
    return name.toLowerCase()
  }

  function normalizeValue(value) {
    if (typeof value !== 'string') {
      value = String(value)
    }
    return value
  }

  // Build a destructive iterator for the value list
  function iteratorFor(items) {
    var iterator = {
      next: function() {
        var value = items.shift()
        return {done: value === undefined, value: value}
      }
    }

    if (support.iterable) {
      iterator[Symbol.iterator] = function() {
        return iterator
      }
    }

    return iterator
  }

  function Headers(headers) {
    this.map = {}

    if (headers instanceof Headers) {
      headers.forEach(function(value, name) {
        this.append(name, value)
      }, this)
    } else if (Array.isArray(headers)) {
      headers.forEach(function(header) {
        this.append(header[0], header[1])
      }, this)
    } else if (headers) {
      Object.getOwnPropertyNames(headers).forEach(function(name) {
        this.append(name, headers[name])
      }, this)
    }
  }

  Headers.prototype.append = function(name, value) {
    name = normalizeName(name)
    value = normalizeValue(value)
    var oldValue = this.map[name]
    this.map[name] = oldValue ? oldValue+','+value : value
  }

  Headers.prototype['delete'] = function(name) {
    delete this.map[normalizeName(name)]
  }

  Headers.prototype.get = function(name) {
    name = normalizeName(name)
    return this.has(name) ? this.map[name] : null
  }

  Headers.prototype.has = function(name) {
    return this.map.hasOwnProperty(normalizeName(name))
  }

  Headers.prototype.set = function(name, value) {
    this.map[normalizeName(name)] = normalizeValue(value)
  }

  Headers.prototype.forEach = function(callback, thisArg) {
    for (var name in this.map) {
      if (this.map.hasOwnProperty(name)) {
        callback.call(thisArg, this.map[name], name, this)
      }
    }
  }

  Headers.prototype.keys = function() {
    var items = []
    this.forEach(function(value, name) { items.push(name) })
    return iteratorFor(items)
  }

  Headers.prototype.values = function() {
    var items = []
    this.forEach(function(value) { items.push(value) })
    return iteratorFor(items)
  }

  Headers.prototype.entries = function() {
    var items = []
    this.forEach(function(value, name) { items.push([name, value]) })
    return iteratorFor(items)
  }

  if (support.iterable) {
    Headers.prototype[Symbol.iterator] = Headers.prototype.entries
  }

  function consumed(body) {
    if (body.bodyUsed) {
      return Promise.reject(new TypeError('Already read'))
    }
    body.bodyUsed = true
  }

  function fileReaderReady(reader) {
    return new Promise(function(resolve, reject) {
      reader.onload = function() {
        resolve(reader.result)
      }
      reader.onerror = function() {
        reject(reader.error)
      }
    })
  }

  function readBlobAsArrayBuffer(blob) {
    var reader = new FileReader()
    var promise = fileReaderReady(reader)
    reader.readAsArrayBuffer(blob)
    return promise
  }

  function readBlobAsText(blob) {
    var reader = new FileReader()
    var promise = fileReaderReady(reader)
    reader.readAsText(blob)
    return promise
  }

  function readArrayBufferAsText(buf) {
    var view = new Uint8Array(buf)
    var chars = new Array(view.length)

    for (var i = 0; i < view.length; i++) {
      chars[i] = String.fromCharCode(view[i])
    }
    return chars.join('')
  }

  function bufferClone(buf) {
    if (buf.slice) {
      return buf.slice(0)
    } else {
      var view = new Uint8Array(buf.byteLength)
      view.set(new Uint8Array(buf))
      return view.buffer
    }
  }

  function Body() {
    this.bodyUsed = false

    this._initBody = function(body) {
      this._bodyInit = body
      if (!body) {
        this._bodyText = ''
      } else if (typeof body === 'string') {
        this._bodyText = body
      } else if (support.blob && Blob.prototype.isPrototypeOf(body)) {
        this._bodyBlob = body
      } else if (support.formData && FormData.prototype.isPrototypeOf(body)) {
        this._bodyFormData = body
      } else if (support.searchParams && URLSearchParams.prototype.isPrototypeOf(body)) {
        this._bodyText = body.toString()
      } else if (support.arrayBuffer && support.blob && isDataView(body)) {
        this._bodyArrayBuffer = bufferClone(body.buffer)
        // IE 10-11 can't handle a DataView body.
        this._bodyInit = new Blob([this._bodyArrayBuffer])
      } else if (support.arrayBuffer && (ArrayBuffer.prototype.isPrototypeOf(body) || isArrayBufferView(body))) {
        this._bodyArrayBuffer = bufferClone(body)
      } else {
        throw new Error('unsupported BodyInit type')
      }

      if (!this.headers.get('content-type')) {
        if (typeof body === 'string') {
          this.headers.set('content-type', 'text/plain;charset=UTF-8')
        } else if (this._bodyBlob && this._bodyBlob.type) {
          this.headers.set('content-type', this._bodyBlob.type)
        } else if (support.searchParams && URLSearchParams.prototype.isPrototypeOf(body)) {
          this.headers.set('content-type', 'application/x-www-form-urlencoded;charset=UTF-8')
        }
      }
    }

    if (support.blob) {
      this.blob = function() {
        var rejected = consumed(this)
        if (rejected) {
          return rejected
        }

        if (this._bodyBlob) {
          return Promise.resolve(this._bodyBlob)
        } else if (this._bodyArrayBuffer) {
          return Promise.resolve(new Blob([this._bodyArrayBuffer]))
        } else if (this._bodyFormData) {
          throw new Error('could not read FormData body as blob')
        } else {
          return Promise.resolve(new Blob([this._bodyText]))
        }
      }

      this.arrayBuffer = function() {
        if (this._bodyArrayBuffer) {
          return consumed(this) || Promise.resolve(this._bodyArrayBuffer)
        } else {
          return this.blob().then(readBlobAsArrayBuffer)
        }
      }
    }

    this.text = function() {
      var rejected = consumed(this)
      if (rejected) {
        return rejected
      }

      if (this._bodyBlob) {
        return readBlobAsText(this._bodyBlob)
      } else if (this._bodyArrayBuffer) {
        return Promise.resolve(readArrayBufferAsText(this._bodyArrayBuffer))
      } else if (this._bodyFormData) {
        throw new Error('could not read FormData body as text')
      } else {
        return Promise.resolve(this._bodyText)
      }
    }

    if (support.formData) {
      this.formData = function() {
        return this.text().then(decode)
      }
    }

    this.json = function() {
      return this.text().then(JSON.parse)
    }

    return this
  }

  // HTTP methods whose capitalization should be normalized
  var methods = ['DELETE', 'GET', 'HEAD', 'OPTIONS', 'POST', 'PUT']

  function normalizeMethod(method) {
    var upcased = method.toUpperCase()
    return (methods.indexOf(upcased) > -1) ? upcased : method
  }

  function Request(input, options) {
    options = options || {}
    var body = options.body

    if (input instanceof Request) {
      if (input.bodyUsed) {
        throw new TypeError('Already read')
      }
      this.url = input.url
      this.credentials = input.credentials
      if (!options.headers) {
        this.headers = new Headers(input.headers)
      }
      this.method = input.method
      this.mode = input.mode
      if (!body && input._bodyInit != null) {
        body = input._bodyInit
        input.bodyUsed = true
      }
    } else {
      this.url = String(input)
    }

    this.credentials = options.credentials || this.credentials || 'omit'
    if (options.headers || !this.headers) {
      this.headers = new Headers(options.headers)
    }
    this.method = normalizeMethod(options.method || this.method || 'GET')
    this.mode = options.mode || this.mode || null
    this.referrer = null

    if ((this.method === 'GET' || this.method === 'HEAD') && body) {
      throw new TypeError('Body not allowed for GET or HEAD requests')
    }
    this._initBody(body)
  }

  Request.prototype.clone = function() {
    return new Request(this, { body: this._bodyInit })
  }

  function decode(body) {
    var form = new FormData()
    body.trim().split('&').forEach(function(bytes) {
      if (bytes) {
        var split = bytes.split('=')
        var name = split.shift().replace(/\+/g, ' ')
        var value = split.join('=').replace(/\+/g, ' ')
        form.append(decodeURIComponent(name), decodeURIComponent(value))
      }
    })
    return form
  }

  function parseHeaders(rawHeaders) {
    var headers = new Headers()
    // Replace instances of \r\n and \n followed by at least one space or horizontal tab with a space
    // https://tools.ietf.org/html/rfc7230#section-3.2
    var preProcessedHeaders = rawHeaders.replace(/\r?\n[\t ]+/g, ' ')
    preProcessedHeaders.split(/\r?\n/).forEach(function(line) {
      var parts = line.split(':')
      var key = parts.shift().trim()
      if (key) {
        var value = parts.join(':').trim()
        headers.append(key, value)
      }
    })
    return headers
  }

  Body.call(Request.prototype)

  function Response(bodyInit, options) {
    if (!options) {
      options = {}
    }

    this.type = 'default'
    this.status = options.status === undefined ? 200 : options.status
    this.ok = this.status >= 200 && this.status < 300
    this.statusText = 'statusText' in options ? options.statusText : 'OK'
    this.headers = new Headers(options.headers)
    this.url = options.url || ''
    this._initBody(bodyInit)
  }

  Body.call(Response.prototype)

  Response.prototype.clone = function() {
    return new Response(this._bodyInit, {
      status: this.status,
      statusText: this.statusText,
      headers: new Headers(this.headers),
      url: this.url
    })
  }

  Response.error = function() {
    var response = new Response(null, {status: 0, statusText: ''})
    response.type = 'error'
    return response
  }

  var redirectStatuses = [301, 302, 303, 307, 308]

  Response.redirect = function(url, status) {
    if (redirectStatuses.indexOf(status) === -1) {
      throw new RangeError('Invalid status code')
    }

    return new Response(null, {status: status, headers: {location: url}})
  }

  self.Headers = Headers
  self.Request = Request
  self.Response = Response

  self.fetch = function(input, init) {
    return new Promise(function(resolve, reject) {
      var request = new Request(input, init)
      var xhr = new XMLHttpRequest()

      xhr.onload = function() {
        var options = {
          status: xhr.status,
          statusText: xhr.statusText,
          headers: parseHeaders(xhr.getAllResponseHeaders() || '')
        }
        options.url = 'responseURL' in xhr ? xhr.responseURL : options.headers.get('X-Request-URL')
        var body = 'response' in xhr ? xhr.response : xhr.responseText
        resolve(new Response(body, options))
      }

      xhr.onerror = function() {
        reject(new TypeError('Network request failed'))
      }

      xhr.ontimeout = function() {
        reject(new TypeError('Network request failed'))
      }

      xhr.open(request.method, request.url, true)

      if (request.credentials === 'include') {
        xhr.withCredentials = true
      } else if (request.credentials === 'omit') {
        xhr.withCredentials = false
      }

      if ('responseType' in xhr && support.blob) {
        xhr.responseType = 'blob'
      }

      request.headers.forEach(function(value, name) {
        xhr.setRequestHeader(name, value)
      })

      xhr.send(typeof request._bodyInit === 'undefined' ? null : request._bodyInit)
    })
  }
  self.fetch.polyfill = true
})(typeof self !== 'undefined' ? self : this);

/**
 * @author Toru Nagashima <https://github.com/mysticatea>
 * @copyright 2017 Toru Nagashima. All rights reserved.
 * See LICENSE file in root directory for full license.
 */(function(a,b){'object'==typeof exports&&'undefined'!=typeof module?b(exports):'function'==typeof define&&false?define(['exports'],b):b(a.AbortControllerShim={})})(this,function(a){'use strict';function b(a){var b=A.get(a);return console.assert(null!=b,'\'this\' is expected an Event object, but got',a),b}function c(a,b){A.set(this,{eventTarget:a,event:b,eventPhase:2,currentTarget:a,canceled:!1,stopped:!1,passiveListener:null,timeStamp:b.timeStamp||Date.now()}),Object.defineProperty(this,'isTrusted',{value:!1,enumerable:!0});for(var c,e=Object.keys(b),f=0;f<e.length;++f)c=e[f],c in this||Object.defineProperty(this,c,d(c))}function d(a){return{get:function(){return b(this).event[a]},set:function(c){b(this).event[a]=c},configurable:!0,enumerable:!0}}function e(a){return{value:function(){var c=b(this).event;return c[a].apply(c,arguments)},configurable:!0,enumerable:!0}}function f(a,b){function c(b,c){a.call(this,b,c)}var f=Object.keys(b);if(0===f.length)return a;c.prototype=Object.create(a.prototype,{constructor:{value:c,configurable:!0,writable:!0}});for(var g,h=0;h<f.length;++h)if(g=f[h],!(g in a.prototype)){var i=Object.getOwnPropertyDescriptor(b,g),j='function'==typeof i.value;Object.defineProperty(c.prototype,g,j?e(g):d(g))}return c}function g(a){if(null==a||a===Object.prototype)return c;var b=B.get(a);return null==b&&(b=f(g(Object.getPrototypeOf(a)),a),B.set(a,b)),b}function h(a,b){var c=g(Object.getPrototypeOf(b));return new c(a,b)}function i(a){return b(a).stopped}function j(a,c){b(a).eventPhase=c}function k(a,c){b(a).currentTarget=c}function l(a,c){b(a).passiveListener=c}function m(a){return null!==a&&'object'===('undefined'==typeof a?'undefined':v(a))}function n(a){var b=C.get(a);return console.assert(null!=b,'\'this\' is expected an EventTarget object, but got',a),b||new Map}function o(a){return{get:function(){for(var b=n(this),c=b.get(a);null!=c;){if(c.listenerType===F)return c.listener;c=c.next}return null},set:function(b){'function'==typeof b||m(b)||(b=null);for(var c=n(this),d=null,e=c.get(a);null!=e;)e.listenerType===F?null===d?null===e.next?c.delete(a):c.set(a,e.next):d.next=e.next:d=e,e=e.next;if(null!==b){var f={listener:b,listenerType:F,passive:!1,once:!1,next:null};null===d?c.set(a,f):d.next=f}},configurable:!0,enumerable:!0}}function p(a,b){Object.defineProperty(a,'on'+b,o(b))}function q(a){function b(){r.call(this)}b.prototype=Object.create(r.prototype,{constructor:{value:b,configurable:!0,writable:!0}});for(var c=0;c<a.length;++c)p(b.prototype,a[c]);return b}function r(){if(this instanceof r)return void C.set(this,new Map);if(1===arguments.length&&Array.isArray(arguments[0]))return q(arguments[0]);if(0<arguments.length){for(var a=Array(arguments.length),b=0;b<arguments.length;++b)a[b]=arguments[b];return q(a)}throw new TypeError('Cannot call a class as a function')}function s(){var a=Object.create(H.prototype);return r.call(a),G.set(a,!1),a}function t(a){!1!==G.get(a)||(G.set(a,!0),a.dispatchEvent({type:'abort'}))}function u(a){var b=I.get(a);if(null==b)throw new TypeError('Expected \'this\' to be an \'AbortController\' object, but got '+(null===a?'null':'undefined'==typeof a?'undefined':v(a)));return b}var v='function'==typeof Symbol&&'symbol'==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&'function'==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?'symbol':typeof a},w=function(a,b){if(!(a instanceof b))throw new TypeError('Cannot call a class as a function')},x=function(){function a(a,b){for(var c,d=0;d<b.length;d++)c=b[d],c.enumerable=c.enumerable||!1,c.configurable=!0,'value'in c&&(c.writable=!0),Object.defineProperty(a,c.key,c)}return function(b,c,d){return c&&a(b.prototype,c),d&&a(b,d),b}}(),y=function(a,b){if('function'!=typeof b&&null!==b)throw new TypeError('Super expression must either be null or a function, not '+typeof b);a.prototype=Object.create(b&&b.prototype,{constructor:{value:a,enumerable:!1,writable:!0,configurable:!0}}),b&&(Object.setPrototypeOf?Object.setPrototypeOf(a,b):a.__proto__=b)},z=function(a,b){if(!a)throw new ReferenceError('this hasn\'t been initialised - 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/**
 * Copyright (c) 2014-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

var runtime = (function (exports) {
  "use strict";

  var Op = Object.prototype;
  var hasOwn = Op.hasOwnProperty;
  var undefined; // More compressible than void 0.
  var $Symbol = typeof Symbol === "function" ? Symbol : {};
  var iteratorSymbol = $Symbol.iterator || "@@iterator";
  var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
  var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";

  function define(obj, key, value) {
    Object.defineProperty(obj, key, {
      value: value,
      enumerable: true,
      configurable: true,
      writable: true
    });
    return obj[key];
  }
  try {
    // IE 8 has a broken Object.defineProperty that only works on DOM objects.
    define({}, "");
  } catch (err) {
    define = function(obj, key, value) {
      return obj[key] = value;
    };
  }

  function wrap(innerFn, outerFn, self, tryLocsList) {
    // If outerFn provided and outerFn.prototype is a Generator, then outerFn.prototype instanceof Generator.
    var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
    var generator = Object.create(protoGenerator.prototype);
    var context = new Context(tryLocsList || []);

    // The ._invoke method unifies the implementations of the .next,
    // .throw, and .return methods.
    generator._invoke = makeInvokeMethod(innerFn, self, context);

    return generator;
  }
  exports.wrap = wrap;

  // Try/catch helper to minimize deoptimizations. Returns a completion
  // record like context.tryEntries[i].completion. This interface could
  // have been (and was previously) designed to take a closure to be
  // invoked without arguments, but in all the cases we care about we
  // already have an existing method we want to call, so there's no need
  // to create a new function object. We can even get away with assuming
  // the method takes exactly one argument, since that happens to be true
  // in every case, so we don't have to touch the arguments object. The
  // only additional allocation required is the completion record, which
  // has a stable shape and so hopefully should be cheap to allocate.
  function tryCatch(fn, obj, arg) {
    try {
      return { type: "normal", arg: fn.call(obj, arg) };
    } catch (err) {
      return { type: "throw", arg: err };
    }
  }

  var GenStateSuspendedStart = "suspendedStart";
  var GenStateSuspendedYield = "suspendedYield";
  var GenStateExecuting = "executing";
  var GenStateCompleted = "completed";

  // Returning this object from the innerFn has the same effect as
  // breaking out of the dispatch switch statement.
  var ContinueSentinel = {};

  // Dummy constructor functions that we use as the .constructor and
  // .constructor.prototype properties for functions that return Generator
  // objects. For full spec compliance, you may wish to configure your
  // minifier not to mangle the names of these two functions.
  function Generator() {}
  function GeneratorFunction() {}
  function GeneratorFunctionPrototype() {}

  // This is a polyfill for %IteratorPrototype% for environments that
  // don't natively support it.
  var IteratorPrototype = {};
  define(IteratorPrototype, iteratorSymbol, function () {
    return this;
  });

  var getProto = Object.getPrototypeOf;
  var NativeIteratorPrototype = getProto && getProto(getProto(values([])));
  if (NativeIteratorPrototype &&
      NativeIteratorPrototype !== Op &&
      hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
    // This environment has a native %IteratorPrototype%; use it instead
    // of the polyfill.
    IteratorPrototype = NativeIteratorPrototype;
  }

  var Gp = GeneratorFunctionPrototype.prototype =
    Generator.prototype = Object.create(IteratorPrototype);
  GeneratorFunction.prototype = GeneratorFunctionPrototype;
  define(Gp, "constructor", GeneratorFunctionPrototype);
  define(GeneratorFunctionPrototype, "constructor", GeneratorFunction);
  GeneratorFunction.displayName = define(
    GeneratorFunctionPrototype,
    toStringTagSymbol,
    "GeneratorFunction"
  );

  // Helper for defining the .next, .throw, and .return methods of the
  // Iterator interface in terms of a single ._invoke method.
  function defineIteratorMethods(prototype) {
    ["next", "throw", "return"].forEach(function(method) {
      define(prototype, method, function(arg) {
        return this._invoke(method, arg);
      });
    });
  }

  exports.isGeneratorFunction = function(genFun) {
    var ctor = typeof genFun === "function" && genFun.constructor;
    return ctor
      ? ctor === GeneratorFunction ||
        // For the native GeneratorFunction constructor, the best we can
        // do is to check its .name property.
        (ctor.displayName || ctor.name) === "GeneratorFunction"
      : false;
  };

  exports.mark = function(genFun) {
    if (Object.setPrototypeOf) {
      Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
    } else {
      genFun.__proto__ = GeneratorFunctionPrototype;
      define(genFun, toStringTagSymbol, "GeneratorFunction");
    }
    genFun.prototype = Object.create(Gp);
    return genFun;
  };

  // Within the body of any async function, `await x` is transformed to
  // `yield regeneratorRuntime.awrap(x)`, so that the runtime can test
  // `hasOwn.call(value, "__await")` to determine if the yielded value is
  // meant to be awaited.
  exports.awrap = function(arg) {
    return { __await: arg };
  };

  function AsyncIterator(generator, PromiseImpl) {
    function invoke(method, arg, resolve, reject) {
      var record = tryCatch(generator[method], generator, arg);
      if (record.type === "throw") {
        reject(record.arg);
      } else {
        var result = record.arg;
        var value = result.value;
        if (value &&
            typeof value === "object" &&
            hasOwn.call(value, "__await")) {
          return PromiseImpl.resolve(value.__await).then(function(value) {
            invoke("next", value, resolve, reject);
          }, function(err) {
            invoke("throw", err, resolve, reject);
          });
        }

        return PromiseImpl.resolve(value).then(function(unwrapped) {
          // When a yielded Promise is resolved, its final value becomes
          // the .value of the Promise<{value,done}> result for the
          // current iteration.
          result.value = unwrapped;
          resolve(result);
        }, function(error) {
          // If a rejected Promise was yielded, throw the rejection back
          // into the async generator function so it can be handled there.
          return invoke("throw", error, resolve, reject);
        });
      }
    }

    var previousPromise;

    function enqueue(method, arg) {
      function callInvokeWithMethodAndArg() {
        return new PromiseImpl(function(resolve, reject) {
          invoke(method, arg, resolve, reject);
        });
      }

      return previousPromise =
        // If enqueue has been called before, then we want to wait until
        // all previous Promises have been resolved before calling invoke,
        // so that results are always delivered in the correct order. If
        // enqueue has not been called before, then it is important to
        // call invoke immediately, without waiting on a callback to fire,
        // so that the async generator function has the opportunity to do
        // any necessary setup in a predictable way. This predictability
        // is why the Promise constructor synchronously invokes its
        // executor callback, and why async functions synchronously
        // execute code before the first await. Since we implement simple
        // async functions in terms of async generators, it is especially
        // important to get this right, even though it requires care.
        previousPromise ? previousPromise.then(
          callInvokeWithMethodAndArg,
          // Avoid propagating failures to Promises returned by later
          // invocations of the iterator.
          callInvokeWithMethodAndArg
        ) : callInvokeWithMethodAndArg();
    }

    // Define the unified helper method that is used to implement .next,
    // .throw, and .return (see defineIteratorMethods).
    this._invoke = enqueue;
  }

  defineIteratorMethods(AsyncIterator.prototype);
  define(AsyncIterator.prototype, asyncIteratorSymbol, function () {
    return this;
  });
  exports.AsyncIterator = AsyncIterator;

  // Note that simple async functions are implemented on top of
  // AsyncIterator objects; they just return a Promise for the value of
  // the final result produced by the iterator.
  exports.async = function(innerFn, outerFn, self, tryLocsList, PromiseImpl) {
    if (PromiseImpl === void 0) PromiseImpl = Promise;

    var iter = new AsyncIterator(
      wrap(innerFn, outerFn, self, tryLocsList),
      PromiseImpl
    );

    return exports.isGeneratorFunction(outerFn)
      ? iter // If outerFn is a generator, return the full iterator.
      : iter.next().then(function(result) {
          return result.done ? result.value : iter.next();
        });
  };

  function makeInvokeMethod(innerFn, self, context) {
    var state = GenStateSuspendedStart;

    return function invoke(method, arg) {
      if (state === GenStateExecuting) {
        throw new Error("Generator is already running");
      }

      if (state === GenStateCompleted) {
        if (method === "throw") {
          throw arg;
        }

        // Be forgiving, per 25.3.3.3.3 of the spec:
        // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume
        return doneResult();
      }

      context.method = method;
      context.arg = arg;

      while (true) {
        var delegate = context.delegate;
        if (delegate) {
          var delegateResult = maybeInvokeDelegate(delegate, context);
          if (delegateResult) {
            if (delegateResult === ContinueSentinel) continue;
            return delegateResult;
          }
        }

        if (context.method === "next") {
          // Setting context._sent for legacy support of Babel's
          // function.sent implementation.
          context.sent = context._sent = context.arg;

        } else if (context.method === "throw") {
          if (state === GenStateSuspendedStart) {
            state = GenStateCompleted;
            throw context.arg;
          }

          context.dispatchException(context.arg);

        } else if (context.method === "return") {
          context.abrupt("return", context.arg);
        }

        state = GenStateExecuting;

        var record = tryCatch(innerFn, self, context);
        if (record.type === "normal") {
          // If an exception is thrown from innerFn, we leave state ===
          // GenStateExecuting and loop back for another invocation.
          state = context.done
            ? GenStateCompleted
            : GenStateSuspendedYield;

          if (record.arg === ContinueSentinel) {
            continue;
          }

          return {
            value: record.arg,
            done: context.done
          };

        } else if (record.type === "throw") {
          state = GenStateCompleted;
          // Dispatch the exception by looping back around to the
          // context.dispatchException(context.arg) call above.
          context.method = "throw";
          context.arg = record.arg;
        }
      }
    };
  }

  // Call delegate.iterator[context.method](context.arg) and handle the
  // result, either by returning a { value, done } result from the
  // delegate iterator, or by modifying context.method and context.arg,
  // setting context.delegate to null, and returning the ContinueSentinel.
  function maybeInvokeDelegate(delegate, context) {
    var method = delegate.iterator[context.method];
    if (method === undefined) {
      // A .throw or .return when the delegate iterator has no .throw
      // method always terminates the yield* loop.
      context.delegate = null;

      if (context.method === "throw") {
        // Note: ["return"] must be used for ES3 parsing compatibility.
        if (delegate.iterator["return"]) {
          // If the delegate iterator has a return method, give it a
          // chance to clean up.
          context.method = "return";
          context.arg = undefined;
          maybeInvokeDelegate(delegate, context);

          if (context.method === "throw") {
            // If maybeInvokeDelegate(context) changed context.method from
            // "return" to "throw", let that override the TypeError below.
            return ContinueSentinel;
          }
        }

        context.method = "throw";
        context.arg = new TypeError(
          "The iterator does not provide a 'throw' method");
      }

      return ContinueSentinel;
    }

    var record = tryCatch(method, delegate.iterator, context.arg);

    if (record.type === "throw") {
      context.method = "throw";
      context.arg = record.arg;
      context.delegate = null;
      return ContinueSentinel;
    }

    var info = record.arg;

    if (! info) {
      context.method = "throw";
      context.arg = new TypeError("iterator result is not an object");
      context.delegate = null;
      return ContinueSentinel;
    }

    if (info.done) {
      // Assign the result of the finished delegate to the temporary
      // variable specified by delegate.resultName (see delegateYield).
      context[delegate.resultName] = info.value;

      // Resume execution at the desired location (see delegateYield).
      context.next = delegate.nextLoc;

      // If context.method was "throw" but the delegate handled the
      // exception, let the outer generator proceed normally. If
      // context.method was "next", forget context.arg since it has been
      // "consumed" by the delegate iterator. If context.method was
      // "return", allow the original .return call to continue in the
      // outer generator.
      if (context.method !== "return") {
        context.method = "next";
        context.arg = undefined;
      }

    } else {
      // Re-yield the result returned by the delegate method.
      return info;
    }

    // The delegate iterator is finished, so forget it and continue with
    // the outer generator.
    context.delegate = null;
    return ContinueSentinel;
  }

  // Define Generator.prototype.{next,throw,return} in terms of the
  // unified ._invoke helper method.
  defineIteratorMethods(Gp);

  define(Gp, toStringTagSymbol, "Generator");

  // A Generator should always return itself as the iterator object when the
  // @@iterator function is called on it. Some browsers' implementations of the
  // iterator prototype chain incorrectly implement this, causing the Generator
  // object to not be returned from this call. This ensures that doesn't happen.
  // See https://github.com/facebook/regenerator/issues/274 for more details.
  define(Gp, iteratorSymbol, function() {
    return this;
  });

  define(Gp, "toString", function() {
    return "[object Generator]";
  });

  function pushTryEntry(locs) {
    var entry = { tryLoc: locs[0] };

    if (1 in locs) {
      entry.catchLoc = locs[1];
    }

    if (2 in locs) {
      entry.finallyLoc = locs[2];
      entry.afterLoc = locs[3];
    }

    this.tryEntries.push(entry);
  }

  function resetTryEntry(entry) {
    var record = entry.completion || {};
    record.type = "normal";
    delete record.arg;
    entry.completion = record;
  }

  function Context(tryLocsList) {
    // The root entry object (effectively a try statement without a catch
    // or a finally block) gives us a place to store values thrown from
    // locations where there is no enclosing try statement.
    this.tryEntries = [{ tryLoc: "root" }];
    tryLocsList.forEach(pushTryEntry, this);
    this.reset(true);
  }

  exports.keys = function(object) {
    var keys = [];
    for (var key in object) {
      keys.push(key);
    }
    keys.reverse();

    // Rather than returning an object with a next method, we keep
    // things simple and return the next function itself.
    return function next() {
      while (keys.length) {
        var key = keys.pop();
        if (key in object) {
          next.value = key;
          next.done = false;
          return next;
        }
      }

      // To avoid creating an additional object, we just hang the .value
      // and .done properties off the next function object itself. This
      // also ensures that the minifier will not anonymize the function.
      next.done = true;
      return next;
    };
  };

  function values(iterable) {
    if (iterable) {
      var iteratorMethod = iterable[iteratorSymbol];
      if (iteratorMethod) {
        return iteratorMethod.call(iterable);
      }

      if (typeof iterable.next === "function") {
        return iterable;
      }

      if (!isNaN(iterable.length)) {
        var i = -1, next = function next() {
          while (++i < iterable.length) {
            if (hasOwn.call(iterable, i)) {
              next.value = iterable[i];
              next.done = false;
              return next;
            }
          }

          next.value = undefined;
          next.done = true;

          return next;
        };

        return next.next = next;
      }
    }

    // Return an iterator with no values.
    return { next: doneResult };
  }
  exports.values = values;

  function doneResult() {
    return { value: undefined, done: true };
  }

  Context.prototype = {
    constructor: Context,

    reset: function(skipTempReset) {
      this.prev = 0;
      this.next = 0;
      // Resetting context._sent for legacy support of Babel's
      // function.sent implementation.
      this.sent = this._sent = undefined;
      this.done = false;
      this.delegate = null;

      this.method = "next";
      this.arg = undefined;

      this.tryEntries.forEach(resetTryEntry);

      if (!skipTempReset) {
        for (var name in this) {
          // Not sure about the optimal order of these conditions:
          if (name.charAt(0) === "t" &&
              hasOwn.call(this, name) &&
              !isNaN(+name.slice(1))) {
            this[name] = undefined;
          }
        }
      }
    },

    stop: function() {
      this.done = true;

      var rootEntry = this.tryEntries[0];
      var rootRecord = rootEntry.completion;
      if (rootRecord.type === "throw") {
        throw rootRecord.arg;
      }

      return this.rval;
    },

    dispatchException: function(exception) {
      if (this.done) {
        throw exception;
      }

      var context = this;
      function handle(loc, caught) {
        record.type = "throw";
        record.arg = exception;
        context.next = loc;

        if (caught) {
          // If the dispatched exception was caught by a catch block,
          // then let that catch block handle the exception normally.
          context.method = "next";
          context.arg = undefined;
        }

        return !! caught;
      }

      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        var record = entry.completion;

        if (entry.tryLoc === "root") {
          // Exception thrown outside of any try block that could handle
          // it, so set the completion value of the entire function to
          // throw the exception.
          return handle("end");
        }

        if (entry.tryLoc <= this.prev) {
          var hasCatch = hasOwn.call(entry, "catchLoc");
          var hasFinally = hasOwn.call(entry, "finallyLoc");

          if (hasCatch && hasFinally) {
            if (this.prev < entry.catchLoc) {
              return handle(entry.catchLoc, true);
            } else if (this.prev < entry.finallyLoc) {
              return handle(entry.finallyLoc);
            }

          } else if (hasCatch) {
            if (this.prev < entry.catchLoc) {
              return handle(entry.catchLoc, true);
            }

          } else if (hasFinally) {
            if (this.prev < entry.finallyLoc) {
              return handle(entry.finallyLoc);
            }

          } else {
            throw new Error("try statement without catch or finally");
          }
        }
      }
    },

    abrupt: function(type, arg) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.tryLoc <= this.prev &&
            hasOwn.call(entry, "finallyLoc") &&
            this.prev < entry.finallyLoc) {
          var finallyEntry = entry;
          break;
        }
      }

      if (finallyEntry &&
          (type === "break" ||
           type === "continue") &&
          finallyEntry.tryLoc <= arg &&
          arg <= finallyEntry.finallyLoc) {
        // Ignore the finally entry if control is not jumping to a
        // location outside the try/catch block.
        finallyEntry = null;
      }

      var record = finallyEntry ? finallyEntry.completion : {};
      record.type = type;
      record.arg = arg;

      if (finallyEntry) {
        this.method = "next";
        this.next = finallyEntry.finallyLoc;
        return ContinueSentinel;
      }

      return this.complete(record);
    },

    complete: function(record, afterLoc) {
      if (record.type === "throw") {
        throw record.arg;
      }

      if (record.type === "break" ||
          record.type === "continue") {
        this.next = record.arg;
      } else if (record.type === "return") {
        this.rval = this.arg = record.arg;
        this.method = "return";
        this.next = "end";
      } else if (record.type === "normal" && afterLoc) {
        this.next = afterLoc;
      }

      return ContinueSentinel;
    },

    finish: function(finallyLoc) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.finallyLoc === finallyLoc) {
          this.complete(entry.completion, entry.afterLoc);
          resetTryEntry(entry);
          return ContinueSentinel;
        }
      }
    },

    "catch": function(tryLoc) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.tryLoc === tryLoc) {
          var record = entry.completion;
          if (record.type === "throw") {
            var thrown = record.arg;
            resetTryEntry(entry);
          }
          return thrown;
        }
      }

      // The context.catch method must only be called with a location
      // argument that corresponds to a known catch block.
      throw new Error("illegal catch attempt");
    },

    delegateYield: function(iterable, resultName, nextLoc) {
      this.delegate = {
        iterator: values(iterable),
        resultName: resultName,
        nextLoc: nextLoc
      };

      if (this.method === "next") {
        // Deliberately forget the last sent value so that we don't
        // accidentally pass it on to the delegate.
        this.arg = undefined;
      }

      return ContinueSentinel;
    }
  };

  // Regardless of whether this script is executing as a CommonJS module
  // or not, return the runtime object so that we can declare the variable
  // regeneratorRuntime in the outer scope, which allows this module to be
  // injected easily by `bin/regenerator --include-runtime script.js`.
  return exports;

}(
  // If this script is executing as a CommonJS module, use module.exports
  // as the regeneratorRuntime namespace. Otherwise create a new empty
  // object. Either way, the resulting object will be used to initialize
  // the regeneratorRuntime variable at the top of this file.
  typeof module === "object" ? module.exports : {}
));

try {
  regeneratorRuntime = runtime;
} catch (accidentalStrictMode) {
  // This module should not be running in strict mode, so the above
  // assignment should always work unless something is misconfigured. Just
  // in case runtime.js accidentally runs in strict mode, in modern engines
  // we can explicitly access globalThis. In older engines we can escape
  // strict mode using a global Function call. This could conceivably fail
  // if a Content Security Policy forbids using Function, but in that case
  // the proper solution is to fix the accidental strict mode problem. If
  // you've misconfigured your bundler to force strict mode and applied a
  // CSP to forbid Function, and you're not willing to fix either of those
  // problems, please detail your unique predicament in a GitHub issue.
  if (typeof globalThis === "object") {
    globalThis.regeneratorRuntime = runtime;
  } else {
    Function("r", "regeneratorRuntime = r")(runtime);
  }
}
if(!Promise.prototype['finally']){Promise.prototype['finally'] = function(callback) {
                          var constructor = this.constructor;
                          return this.then(
                            function(value) {
                              return constructor.resolve(callback()).then(function() {
                                return value;
                              });
                            },
                            function(reason) {
                              return constructor.resolve(callback()).then(function() {
                                return constructor.reject(reason);
                              });
                            }
                          );
                    };}
            (function(){

                var _customElementsDefine = window.customElements.define;

                window.customElements.define = (name, cl, conf) => {
                    if (!customElements.get(name)) {
                        _customElementsDefine.call(window.customElements, name, cl, conf);
                    }
                }
            })();
        
                (function(){
                    var _fetch = fetch;
                    window.fetch = (...args) => Promise.resolve(_fetch(...args));
                })();