_/docs/_next/static/runtime/polyfills.js

(window["webpackJsonp"] = window["webpackJsonp"] || []).push([["static/runtime/polyfills.js"],{

/***/ "./node_modules/next/dist/client/polyfills.js":
/*!****************************************************!*\
  !*** ./node_modules/next/dist/client/polyfills.js ***!
  \****************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


__webpack_require__(/*! __next_polyfill__fetch */ "./node_modules/whatwg-fetch/dist/fetch.umd.js");

__webpack_require__(/*! url-polyfill */ "./node_modules/url-polyfill/url-polyfill.js");

Object.assign = __webpack_require__(/*! __next_polyfill__object_assign */ "./node_modules/object-assign/index.js");

/***/ }),

/***/ "./node_modules/object-assign/index.js":
/*!*********************************************!*\
  !*** ./node_modules/object-assign/index.js ***!
  \*********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";
/*
object-assign
(c) Sindre Sorhus
@license MIT
*/


/* eslint-disable no-unused-vars */
var getOwnPropertySymbols = Object.getOwnPropertySymbols;
var hasOwnProperty = Object.prototype.hasOwnProperty;
var propIsEnumerable = Object.prototype.propertyIsEnumerable;

function toObject(val) {
	if (val === null || val === undefined) {
		throw new TypeError('Object.assign cannot be called with null or undefined');
	}

	return Object(val);
}

function shouldUseNative() {
	try {
		if (!Object.assign) {
			return false;
		}

		// Detect buggy property enumeration order in older V8 versions.

		// https://bugs.chromium.org/p/v8/issues/detail?id=4118
		var test1 = new String('abc');  // eslint-disable-line no-new-wrappers
		test1[5] = 'de';
		if (Object.getOwnPropertyNames(test1)[0] === '5') {
			return false;
		}

		// https://bugs.chromium.org/p/v8/issues/detail?id=3056
		var test2 = {};
		for (var i = 0; i < 10; i++) {
			test2['_' + String.fromCharCode(i)] = i;
		}
		var order2 = Object.getOwnPropertyNames(test2).map(function (n) {
			return test2[n];
		});
		if (order2.join('') !== '0123456789') {
			return false;
		}

		// https://bugs.chromium.org/p/v8/issues/detail?id=3056
		var test3 = {};
		'abcdefghijklmnopqrst'.split('').forEach(function (letter) {
			test3[letter] = letter;
		});
		if (Object.keys(Object.assign({}, test3)).join('') !==
				'abcdefghijklmnopqrst') {
			return false;
		}

		return true;
	} catch (err) {
		// We don't expect any of the above to throw, but better to be safe.
		return false;
	}
}

module.exports = shouldUseNative() ? Object.assign : function (target, source) {
	var from;
	var to = toObject(target);
	var symbols;

	for (var s = 1; s < arguments.length; s++) {
		from = Object(arguments[s]);

		for (var key in from) {
			if (hasOwnProperty.call(from, key)) {
				to[key] = from[key];
			}
		}

		if (getOwnPropertySymbols) {
			symbols = getOwnPropertySymbols(from);
			for (var i = 0; i < symbols.length; i++) {
				if (propIsEnumerable.call(from, symbols[i])) {
					to[symbols[i]] = from[symbols[i]];
				}
			}
		}
	}

	return to;
};


/***/ }),

/***/ "./node_modules/url-polyfill/url-polyfill.js":
/*!***************************************************!*\
  !*** ./node_modules/url-polyfill/url-polyfill.js ***!
  \***************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(global) {(function(global) {
  /**
   * Polyfill URLSearchParams
   *
   * Inspired from : https://github.com/WebReflection/url-search-params/blob/master/src/url-search-params.js
   */

  var checkIfIteratorIsSupported = function() {
    try {
      return !!Symbol.iterator;
    } catch (error) {
      return false;
    }
  };


  var iteratorSupported = checkIfIteratorIsSupported();

  var createIterator = function(items) {
    var iterator = {
      next: function() {
        var value = items.shift();
        return { done: value === void 0, value: value };
      }
    };

    if (iteratorSupported) {
      iterator[Symbol.iterator] = function() {
        return iterator;
      };
    }

    return iterator;
  };

  /**
   * Search param name and values should be encoded according to https://url.spec.whatwg.org/#urlencoded-serializing
   * encodeURIComponent() produces the same result except encoding spaces as `%20` instead of `+`.
   */
  var serializeParam = function(value) {
    return encodeURIComponent(value).replace(/%20/g, '+');
  };

  var deserializeParam = function(value) {
    return decodeURIComponent(String(value).replace(/\+/g, ' '));
  };

  var polyfillURLSearchParams = function() {

    var URLSearchParams = function(searchString) {
      Object.defineProperty(this, '_entries', { writable: true, value: {} });
      var typeofSearchString = typeof searchString;

      if (typeofSearchString === 'undefined') {
        // do nothing
      } else if (typeofSearchString === 'string') {
        if (searchString !== '') {
          this._fromString(searchString);
        }
      } else if (searchString instanceof URLSearchParams) {
        var _this = this;
        searchString.forEach(function(value, name) {
          _this.append(name, value);
        });
      } else if ((searchString !== null) && (typeofSearchString === 'object')) {
        if (Object.prototype.toString.call(searchString) === '[object Array]') {
          for (var i = 0; i < searchString.length; i++) {
            var entry = searchString[i];
            if ((Object.prototype.toString.call(entry) === '[object Array]') || (entry.length !== 2)) {
              this.append(entry[0], entry[1]);
            } else {
              throw new TypeError('Expected [string, any] as entry at index ' + i + ' of URLSearchParams\'s input');
            }
          }
        } else {
          for (var key in searchString) {
            if (searchString.hasOwnProperty(key)) {
              this.append(key, searchString[key]);
            }
          }
        }
      } else {
        throw new TypeError('Unsupported input\'s type for URLSearchParams');
      }
    };

    var proto = URLSearchParams.prototype;

    proto.append = function(name, value) {
      if (name in this._entries) {
        this._entries[name].push(String(value));
      } else {
        this._entries[name] = [String(value)];
      }
    };

    proto.delete = function(name) {
      delete this._entries[name];
    };

    proto.get = function(name) {
      return (name in this._entries) ? this._entries[name][0] : null;
    };

    proto.getAll = function(name) {
      return (name in this._entries) ? this._entries[name].slice(0) : [];
    };

    proto.has = function(name) {
      return (name in this._entries);
    };

    proto.set = function(name, value) {
      this._entries[name] = [String(value)];
    };

    proto.forEach = function(callback, thisArg) {
      var entries;
      for (var name in this._entries) {
        if (this._entries.hasOwnProperty(name)) {
          entries = this._entries[name];
          for (var i = 0; i < entries.length; i++) {
            callback.call(thisArg, entries[i], name, this);
          }
        }
      }
    };

    proto.keys = function() {
      var items = [];
      this.forEach(function(value, name) {
        items.push(name);
      });
      return createIterator(items);
    };

    proto.values = function() {
      var items = [];
      this.forEach(function(value) {
        items.push(value);
      });
      return createIterator(items);
    };

    proto.entries = function() {
      var items = [];
      this.forEach(function(value, name) {
        items.push([name, value]);
      });
      return createIterator(items);
    };

    if (iteratorSupported) {
      proto[Symbol.iterator] = proto.entries;
    }

    proto.toString = function() {
      var searchArray = [];
      this.forEach(function(value, name) {
        searchArray.push(serializeParam(name) + '=' + serializeParam(value));
      });
      return searchArray.join('&');
    };


    global.URLSearchParams = URLSearchParams;
  };

  var checkIfURLSearchParamsSupported = function() {
    try {
      var URLSearchParams = global.URLSearchParams;

      return (new URLSearchParams('?a=1').toString() === 'a=1') && (typeof URLSearchParams.prototype.set === 'function');
    } catch (e) {
      return false;
    }
  };

  if (!checkIfURLSearchParamsSupported()) {
    polyfillURLSearchParams();
  }

  var proto = global.URLSearchParams.prototype;

  if (typeof proto.sort !== 'function') {
    proto.sort = function() {
      var _this = this;
      var items = [];
      this.forEach(function(value, name) {
        items.push([name, value]);
        if (!_this._entries) {
          _this.delete(name);
        }
      });
      items.sort(function(a, b) {
        if (a[0] < b[0]) {
          return -1;
        } else if (a[0] > b[0]) {
          return +1;
        } else {
          return 0;
        }
      });
      if (_this._entries) { // force reset because IE keeps keys index
        _this._entries = {};
      }
      for (var i = 0; i < items.length; i++) {
        this.append(items[i][0], items[i][1]);
      }
    };
  }

  if (typeof proto._fromString !== 'function') {
    Object.defineProperty(proto, '_fromString', {
      enumerable: false,
      configurable: false,
      writable: false,
      value: function(searchString) {
        if (this._entries) {
          this._entries = {};
        } else {
          var keys = [];
          this.forEach(function(value, name) {
            keys.push(name);
          });
          for (var i = 0; i < keys.length; i++) {
            this.delete(keys[i]);
          }
        }

        searchString = searchString.replace(/^\?/, '');
        var attributes = searchString.split('&');
        var attribute;
        for (var i = 0; i < attributes.length; i++) {
          attribute = attributes[i].split('=');
          this.append(
            deserializeParam(attribute[0]),
            (attribute.length > 1) ? deserializeParam(attribute[1]) : ''
          );
        }
      }
    });
  }

  // HTMLAnchorElement

})(
  (typeof global !== 'undefined') ? global
    : ((typeof window !== 'undefined') ? window
    : ((typeof self !== 'undefined') ? self : this))
);

(function(global) {
  /**
   * Polyfill URL
   *
   * Inspired from : https://github.com/arv/DOM-URL-Polyfill/blob/master/src/url.js
   */

  var checkIfURLIsSupported = function() {
    try {
      var u = new global.URL('b', 'http://a');
      u.pathname = 'c%20d';
      return (u.href === 'http://a/c%20d') && u.searchParams;
    } catch (e) {
      return false;
    }
  };


  var polyfillURL = function() {
    var _URL = global.URL;

    var URL = function(url, base) {
      if (typeof url !== 'string') url = String(url);

      // Only create another document if the base is different from current location.
      var doc = document, baseElement;
      if (base && (global.location === void 0 || base !== global.location.href)) {
        doc = document.implementation.createHTMLDocument('');
        baseElement = doc.createElement('base');
        baseElement.href = base;
        doc.head.appendChild(baseElement);
        try {
          if (baseElement.href.indexOf(base) !== 0) throw new Error(baseElement.href);
        } catch (err) {
          throw new Error('URL unable to set base ' + base + ' due to ' + err);
        }
      }

      var anchorElement = doc.createElement('a');
      anchorElement.href = url;
      if (baseElement) {
        doc.body.appendChild(anchorElement);
        anchorElement.href = anchorElement.href; // force href to refresh
      }

      if (anchorElement.protocol === ':' || !/:/.test(anchorElement.href)) {
        throw new TypeError('Invalid URL');
      }

      Object.defineProperty(this, '_anchorElement', {
        value: anchorElement
      });


      // create a linked searchParams which reflect its changes on URL
      var searchParams = new global.URLSearchParams(this.search);
      var enableSearchUpdate = true;
      var enableSearchParamsUpdate = true;
      var _this = this;
      ['append', 'delete', 'set'].forEach(function(methodName) {
        var method = searchParams[methodName];
        searchParams[methodName] = function() {
          method.apply(searchParams, arguments);
          if (enableSearchUpdate) {
            enableSearchParamsUpdate = false;
            _this.search = searchParams.toString();
            enableSearchParamsUpdate = true;
          }
        };
      });

      Object.defineProperty(this, 'searchParams', {
        value: searchParams,
        enumerable: true
      });

      var search = void 0;
      Object.defineProperty(this, '_updateSearchParams', {
        enumerable: false,
        configurable: false,
        writable: false,
        value: function() {
          if (this.search !== search) {
            search = this.search;
            if (enableSearchParamsUpdate) {
              enableSearchUpdate = false;
              this.searchParams._fromString(this.search);
              enableSearchUpdate = true;
            }
          }
        }
      });
    };

    var proto = URL.prototype;

    var linkURLWithAnchorAttribute = function(attributeName) {
      Object.defineProperty(proto, attributeName, {
        get: function() {
          return this._anchorElement[attributeName];
        },
        set: function(value) {
          this._anchorElement[attributeName] = value;
        },
        enumerable: true
      });
    };

    ['hash', 'host', 'hostname', 'port', 'protocol']
      .forEach(function(attributeName) {
        linkURLWithAnchorAttribute(attributeName);
      });

    Object.defineProperty(proto, 'search', {
      get: function() {
        return this._anchorElement['search'];
      },
      set: function(value) {
        this._anchorElement['search'] = value;
        this._updateSearchParams();
      },
      enumerable: true
    });

    Object.defineProperties(proto, {

      'toString': {
        get: function() {
          var _this = this;
          return function() {
            return _this.href;
          };
        }
      },

      'href': {
        get: function() {
          return this._anchorElement.href.replace(/\?$/, '');
        },
        set: function(value) {
          this._anchorElement.href = value;
          this._updateSearchParams();
        },
        enumerable: true
      },

      'pathname': {
        get: function() {
          return this._anchorElement.pathname.replace(/(^\/?)/, '/');
        },
        set: function(value) {
          this._anchorElement.pathname = value;
        },
        enumerable: true
      },

      'origin': {
        get: function() {
          // get expected port from protocol
          var expectedPort = { 'http:': 80, 'https:': 443, 'ftp:': 21 }[this._anchorElement.protocol];
          // add port to origin if, expected port is different than actual port
          // and it is not empty f.e http://foo:8080
          // 8080 != 80 && 8080 != ''
          var addPortToOrigin = this._anchorElement.port != expectedPort &&
            this._anchorElement.port !== '';

          return this._anchorElement.protocol +
            '//' +
            this._anchorElement.hostname +
            (addPortToOrigin ? (':' + this._anchorElement.port) : '');
        },
        enumerable: true
      },

      'password': { // TODO
        get: function() {
          return '';
        },
        set: function(value) {
        },
        enumerable: true
      },

      'username': { // TODO
        get: function() {
          return '';
        },
        set: function(value) {
        },
        enumerable: true
      },
    });

    URL.createObjectURL = function(blob) {
      return _URL.createObjectURL.apply(_URL, arguments);
    };

    URL.revokeObjectURL = function(url) {
      return _URL.revokeObjectURL.apply(_URL, arguments);
    };

    global.URL = URL;

  };

  if (!checkIfURLIsSupported()) {
    polyfillURL();
  }

  if ((global.location !== void 0) && !('origin' in global.location)) {
    var getOrigin = function() {
      return global.location.protocol + '//' + global.location.hostname + (global.location.port ? (':' + global.location.port) : '');
    };

    try {
      Object.defineProperty(global.location, 'origin', {
        get: getOrigin,
        enumerable: true
      });
    } catch (e) {
      setInterval(function() {
        global.location.origin = getOrigin();
      }, 100);
    }
  }

})(
  (typeof global !== 'undefined') ? global
    : ((typeof window !== 'undefined') ? window
    : ((typeof self !== 'undefined') ? self : this))
);

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../webpack/buildin/global.js */ "./node_modules/webpack/buildin/global.js")))

/***/ }),

/***/ "./node_modules/webpack/buildin/global.js":
/*!***********************************!*\
  !*** (webpack)/buildin/global.js ***!
  \***********************************/
/*! no static exports found */
/***/ (function(module, exports) {

var g;

// This works in non-strict mode
g = (function() {
	return this;
})();

try {
	// This works if eval is allowed (see CSP)
	g = g || new Function("return this")();
} catch (e) {
	// This works if the window reference is available
	if (typeof window === "object") g = window;
}

// g can still be undefined, but nothing to do about it...
// We return undefined, instead of nothing here, so it's
// easier to handle this case. if(!global) { ...}

module.exports = g;


/***/ }),

/***/ "./node_modules/whatwg-fetch/dist/fetch.umd.js":
/*!*****************************************************!*\
  !*** ./node_modules/whatwg-fetch/dist/fetch.umd.js ***!
  \*****************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

(function (global, factory) {
   true ? factory(exports) :
  undefined;
}(this, (function (exports) { 'use strict';

  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
  };

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

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

    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 {
        this._bodyText = body = Object.prototype.toString.call(body);
      }

      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;
      this.signal = input.signal;
      if (!body && input._bodyInit != null) {
        body = input._bodyInit;
        input.bodyUsed = true;
      }
    } else {
      this.url = String(input);
    }

    this.credentials = options.credentials || this.credentials || 'same-origin';
    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.signal = options.signal || this.signal;
    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}})
  };

  exports.DOMException = self.DOMException;
  try {
    new exports.DOMException();
  } catch (err) {
    exports.DOMException = function(message, name) {
      this.message = message;
      this.name = name;
      var error = Error(message);
      this.stack = error.stack;
    };
    exports.DOMException.prototype = Object.create(Error.prototype);
    exports.DOMException.prototype.constructor = exports.DOMException;
  }

  function fetch(input, init) {
    return new Promise(function(resolve, reject) {
      var request = new Request(input, init);

      if (request.signal && request.signal.aborted) {
        return reject(new exports.DOMException('Aborted', 'AbortError'))
      }

      var xhr = new XMLHttpRequest();

      function abortXhr() {
        xhr.abort();
      }

      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.onabort = function() {
        reject(new exports.DOMException('Aborted', 'AbortError'));
      };

      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);
      });

      if (request.signal) {
        request.signal.addEventListener('abort', abortXhr);

        xhr.onreadystatechange = function() {
          // DONE (success or failure)
          if (xhr.readyState === 4) {
            request.signal.removeEventListener('abort', abortXhr);
          }
        };
      }

      xhr.send(typeof request._bodyInit === 'undefined' ? null : request._bodyInit);
    })
  }

  fetch.polyfill = true;

  if (!self.fetch) {
    self.fetch = fetch;
    self.Headers = Headers;
    self.Request = Request;
    self.Response = Response;
  }

  exports.Headers = Headers;
  exports.Request = Request;
  exports.Response = Response;
  exports.fetch = fetch;

  Object.defineProperty(exports, '__esModule', { value: true });

})));


/***/ })

},[["./node_modules/next/dist/client/polyfills.js","static/runtime/webpack.js"]]]);
//# sourceMappingURL=polyfills.js.map