Added node_modules for the updating to work properly.

14 files changed, 3178 insertions, 0 deletions

diff --git a/node_modules/@babel/helpers/LICENSE b/node_modules/@babel/helpers/LICENSE
new file mode 100644
index 0000000..f31575e
--- /dev/null
+++ b/node_modules/@babel/helpers/LICENSE
@@ -0,0 +1,22 @@
+MIT License
+
+Copyright (c) 2014-present Sebastian McKenzie and other contributors
+
+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.
diff --git a/node_modules/@babel/helpers/README.md b/node_modules/@babel/helpers/README.md
new file mode 100644
index 0000000..3b79dbf
--- /dev/null
+++ b/node_modules/@babel/helpers/README.md
@@ -0,0 +1,19 @@
+# @babel/helpers
+
+> Collection of helper functions used by Babel transforms.
+
+See our website [@babel/helpers](https://babeljs.io/docs/en/babel-helpers) for more information.
+
+## Install
+
+Using npm:
+
+```sh
+npm install --save-dev @babel/helpers
+```
+
+or using yarn:
+
+```sh
+yarn add @babel/helpers --dev
+```
diff --git a/node_modules/@babel/helpers/lib/helpers-generated.js b/node_modules/@babel/helpers/lib/helpers-generated.js
new file mode 100644
index 0000000..9ef543e
--- /dev/null
+++ b/node_modules/@babel/helpers/lib/helpers-generated.js
@@ -0,0 +1,26 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _template = require("@babel/template");
+
+function helper(minVersion, source) {
+  return Object.freeze({
+    minVersion,
+    ast: () => _template.default.program.ast(source)
+  });
+}
+
+var _default = Object.freeze({
+  applyDecs: helper("7.17.0", 'function createMetadataMethodsForProperty(metadataMap,kind,property){return{getMetadata:function(key){if("symbol"!=typeof key)throw new TypeError("Metadata keys must be symbols, received: "+key);var metadataForKey=metadataMap[key];if(void 0!==metadataForKey)if(1===kind){var pub=metadataForKey.public;if(void 0!==pub)return pub[property]}else if(2===kind){var priv=metadataForKey.private;if(void 0!==priv)return priv.get(property)}else if(Object.hasOwnProperty.call(metadataForKey,"constructor"))return metadataForKey.constructor},setMetadata:function(key,value){if("symbol"!=typeof key)throw new TypeError("Metadata keys must be symbols, received: "+key);var metadataForKey=metadataMap[key];if(void 0===metadataForKey&&(metadataForKey=metadataMap[key]={}),1===kind){var pub=metadataForKey.public;void 0===pub&&(pub=metadataForKey.public={}),pub[property]=value}else if(2===kind){var priv=metadataForKey.priv;void 0===priv&&(priv=metadataForKey.private=new Map),priv.set(property,value)}else metadataForKey.constructor=value}}}function convertMetadataMapToFinal(obj,metadataMap){var parentMetadataMap=obj[Symbol.metadata||Symbol.for("Symbol.metadata")],metadataKeys=Object.getOwnPropertySymbols(metadataMap);if(0!==metadataKeys.length){for(var i=0;i<metadataKeys.length;i++){var key=metadataKeys[i],metaForKey=metadataMap[key],parentMetaForKey=parentMetadataMap?parentMetadataMap[key]:null,pub=metaForKey.public,parentPub=parentMetaForKey?parentMetaForKey.public:null;pub&&parentPub&&Object.setPrototypeOf(pub,parentPub);var priv=metaForKey.private;if(priv){var privArr=Array.from(priv.values()),parentPriv=parentMetaForKey?parentMetaForKey.private:null;parentPriv&&(privArr=privArr.concat(parentPriv)),metaForKey.private=privArr}parentMetaForKey&&Object.setPrototypeOf(metaForKey,parentMetaForKey)}parentMetadataMap&&Object.setPrototypeOf(metadataMap,parentMetadataMap),obj[Symbol.metadata||Symbol.for("Symbol.metadata")]=metadataMap}}function createAddInitializerMethod(initializers){return function(initializer){assertValidInitializer(initializer),initializers.push(initializer)}}function memberDecCtx(base,name,desc,metadataMap,initializers,kind,isStatic,isPrivate){var kindStr;switch(kind){case 1:kindStr="accessor";break;case 2:kindStr="method";break;case 3:kindStr="getter";break;case 4:kindStr="setter";break;default:kindStr="field"}var metadataKind,metadataName,ctx={kind:kindStr,name:isPrivate?"#"+name:name,isStatic:isStatic,isPrivate:isPrivate};if(0!==kind&&(ctx.addInitializer=createAddInitializerMethod(initializers)),isPrivate){metadataKind=2,metadataName=Symbol(name);var access={};0===kind?(access.get=desc.get,access.set=desc.set):2===kind?access.get=function(){return desc.value}:(1!==kind&&3!==kind||(access.get=function(){return desc.get.call(this)}),1!==kind&&4!==kind||(access.set=function(v){desc.set.call(this,v)})),ctx.access=access}else metadataKind=1,metadataName=name;return Object.assign(ctx,createMetadataMethodsForProperty(metadataMap,metadataKind,metadataName))}function assertValidInitializer(initializer){if("function"!=typeof initializer)throw new Error("initializers must be functions")}function assertValidReturnValue(kind,value){var type=typeof value;if(1===kind){if("object"!==type||null===value)throw new Error("accessor decorators must return an object with get, set, or initializer properties or void 0")}else if("function"!==type)throw 0===kind?new Error("field decorators must return a initializer function or void 0"):new Error("method decorators must return a function or void 0")}function applyMemberDec(ret,base,decInfo,name,kind,isStatic,isPrivate,metadataMap,initializers){var desc,initializer,value,decs=decInfo[0];isPrivate?desc=0===kind||1===kind?{get:decInfo[3],set:decInfo[4]}:3===kind?{get:decInfo[3]}:4===kind?{set:decInfo[3]}:{value:decInfo[3]}:0!==kind&&(desc=Object.getOwnPropertyDescriptor(base,name)),1===kind?value={get:desc.get,set:desc.set}:2===kind?value=desc.value:3===kind?value=desc.get:4===kind&&(value=desc.set);var newValue,get,set,ctx=memberDecCtx(base,name,desc,metadataMap,initializers,kind,isStatic,isPrivate);if("function"==typeof decs)void 0!==(newValue=decs(value,ctx))&&(assertValidReturnValue(kind,newValue),0===kind?initializer=newValue:1===kind?(initializer=newValue.initializer,get=newValue.get||value.get,set=newValue.set||value.set,value={get:get,set:set}):value=newValue);else for(var i=decs.length-1;i>=0;i--){var newInit;if(void 0!==(newValue=(0,decs[i])(value,ctx)))assertValidReturnValue(kind,newValue),0===kind?newInit=newValue:1===kind?(newInit=newValue.initializer,get=newValue.get||value.get,set=newValue.set||value.set,value={get:get,set:set}):value=newValue,void 0!==newInit&&(void 0===initializer?initializer=newInit:"function"==typeof initializer?initializer=[initializer,newInit]:initializer.push(newInit))}if(0===kind||1===kind){if(void 0===initializer)initializer=function(instance,init){return init};else if("function"!=typeof initializer){var ownInitializers=initializer;initializer=function(instance,init){for(var value=init,i=0;i<ownInitializers.length;i++)value=ownInitializers[i].call(instance,value);return value}}else{var originalInitializer=initializer;initializer=function(instance,init){return originalInitializer.call(instance,init)}}ret.push(initializer)}0!==kind&&(1===kind?(desc.get=value.get,desc.set=value.set):2===kind?desc.value=value:3===kind?desc.get=value:4===kind&&(desc.set=value),isPrivate?1===kind?(ret.push((function(instance,args){return value.get.call(instance,args)})),ret.push((function(instance,args){return value.set.call(instance,args)}))):2===kind?ret.push(value):ret.push((function(instance,args){return value.call(instance,args)})):Object.defineProperty(base,name,desc))}function applyMemberDecs(ret,Class,protoMetadataMap,staticMetadataMap,decInfos){for(var protoInitializers=[],staticInitializers=[],existingProtoNonFields=new Map,existingStaticNonFields=new Map,i=0;i<decInfos.length;i++){var decInfo=decInfos[i];if(Array.isArray(decInfo)){var base,metadataMap,initializers,kind=decInfo[1],name=decInfo[2],isPrivate=decInfo.length>3,isStatic=kind>=5;if(isStatic?(base=Class,metadataMap=staticMetadataMap,kind-=5,initializers=staticInitializers):(base=Class.prototype,metadataMap=protoMetadataMap,initializers=protoInitializers),0!==kind&&!isPrivate){var existingNonFields=isStatic?existingStaticNonFields:existingProtoNonFields,existingKind=existingNonFields.get(name)||0;if(!0===existingKind||3===existingKind&&4!==kind||4===existingKind&&3!==kind)throw new Error("Attempted to decorate a public method/accessor that has the same name as a previously decorated public method/accessor. This is not currently supported by the decorators plugin. Property name was: "+name);!existingKind&&kind>2?existingNonFields.set(name,kind):existingNonFields.set(name,!0)}applyMemberDec(ret,base,decInfo,name,kind,isStatic,isPrivate,metadataMap,initializers)}}protoInitializers.length>0&&pushInitializers(ret,protoInitializers),staticInitializers.length>0&&pushInitializers(ret,staticInitializers)}function pushInitializers(ret,initializers){initializers.length>0?(initializers=initializers.slice(),ret.push((function(instance){for(var i=0;i<initializers.length;i++)initializers[i].call(instance,instance);return instance}))):ret.push((function(instance){return instance}))}function applyClassDecs(ret,targetClass,metadataMap,classDecs){for(var initializers=[],newClass=targetClass,name=targetClass.name,ctx=Object.assign({kind:"class",name:name,addInitializer:createAddInitializerMethod(initializers)},createMetadataMethodsForProperty(metadataMap,0,name)),i=classDecs.length-1;i>=0;i--)newClass=classDecs[i](newClass,ctx)||newClass;ret.push(newClass),initializers.length>0?ret.push((function(){for(var i=0;i<initializers.length;i++)initializers[i].call(newClass,newClass)})):ret.push((function(){}))}export default function applyDecs(targetClass,memberDecs,classDecs){var ret=[],staticMetadataMap={};if(memberDecs){var protoMetadataMap={};applyMemberDecs(ret,targetClass,protoMetadataMap,staticMetadataMap,memberDecs),convertMetadataMapToFinal(targetClass.prototype,protoMetadataMap)}return classDecs&&applyClassDecs(ret,targetClass,staticMetadataMap,classDecs),convertMetadataMapToFinal(targetClass,staticMetadataMap),ret}'),
+  asyncIterator: helper("7.15.9", 'export default function _asyncIterator(iterable){var method,async,sync,retry=2;for("undefined"!=typeof Symbol&&(async=Symbol.asyncIterator,sync=Symbol.iterator);retry--;){if(async&&null!=(method=iterable[async]))return method.call(iterable);if(sync&&null!=(method=iterable[sync]))return new AsyncFromSyncIterator(method.call(iterable));async="@@asyncIterator",sync="@@iterator"}throw new TypeError("Object is not async iterable")}function AsyncFromSyncIterator(s){function AsyncFromSyncIteratorContinuation(r){if(Object(r)!==r)return Promise.reject(new TypeError(r+" is not an object."));var done=r.done;return Promise.resolve(r.value).then((function(value){return{value:value,done:done}}))}return AsyncFromSyncIterator=function(s){this.s=s,this.n=s.next},AsyncFromSyncIterator.prototype={s:null,n:null,next:function(){return AsyncFromSyncIteratorContinuation(this.n.apply(this.s,arguments))},return:function(value){var ret=this.s.return;return void 0===ret?Promise.resolve({value:value,done:!0}):AsyncFromSyncIteratorContinuation(ret.apply(this.s,arguments))},throw:function(value){var thr=this.s.return;return void 0===thr?Promise.reject(value):AsyncFromSyncIteratorContinuation(thr.apply(this.s,arguments))}},new AsyncFromSyncIterator(s)}'),
+  jsx: helper("7.0.0-beta.0", 'var REACT_ELEMENT_TYPE;export default function _createRawReactElement(type,props,key,children){REACT_ELEMENT_TYPE||(REACT_ELEMENT_TYPE="function"==typeof Symbol&&Symbol.for&&Symbol.for("react.element")||60103);var defaultProps=type&&type.defaultProps,childrenLength=arguments.length-3;if(props||0===childrenLength||(props={children:void 0}),1===childrenLength)props.children=children;else if(childrenLength>1){for(var childArray=new Array(childrenLength),i=0;i<childrenLength;i++)childArray[i]=arguments[i+3];props.children=childArray}if(props&&defaultProps)for(var propName in defaultProps)void 0===props[propName]&&(props[propName]=defaultProps[propName]);else props||(props=defaultProps||{});return{$$typeof:REACT_ELEMENT_TYPE,type:type,key:void 0===key?null:""+key,ref:null,props:props,_owner:null}}'),
+  objectSpread2: helper("7.5.0", 'import defineProperty from"defineProperty";function ownKeys(object,enumerableOnly){var keys=Object.keys(object);if(Object.getOwnPropertySymbols){var symbols=Object.getOwnPropertySymbols(object);enumerableOnly&&(symbols=symbols.filter((function(sym){return Object.getOwnPropertyDescriptor(object,sym).enumerable}))),keys.push.apply(keys,symbols)}return keys}export default function _objectSpread2(target){for(var i=1;i<arguments.length;i++){var source=null!=arguments[i]?arguments[i]:{};i%2?ownKeys(Object(source),!0).forEach((function(key){defineProperty(target,key,source[key])})):Object.getOwnPropertyDescriptors?Object.defineProperties(target,Object.getOwnPropertyDescriptors(source)):ownKeys(Object(source)).forEach((function(key){Object.defineProperty(target,key,Object.getOwnPropertyDescriptor(source,key))}))}return target}'),
+  typeof: helper("7.0.0-beta.0", 'export default function _typeof(obj){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}'),
+  wrapRegExp: helper("7.2.6", 'import setPrototypeOf from"setPrototypeOf";import inherits from"inherits";export default function _wrapRegExp(){_wrapRegExp=function(re,groups){return new BabelRegExp(re,void 0,groups)};var _super=RegExp.prototype,_groups=new WeakMap;function BabelRegExp(re,flags,groups){var _this=new RegExp(re,flags);return _groups.set(_this,groups||_groups.get(re)),setPrototypeOf(_this,BabelRegExp.prototype)}function buildGroups(result,re){var g=_groups.get(re);return Object.keys(g).reduce((function(groups,name){return groups[name]=result[g[name]],groups}),Object.create(null))}return inherits(BabelRegExp,RegExp),BabelRegExp.prototype.exec=function(str){var result=_super.exec.call(this,str);return result&&(result.groups=buildGroups(result,this)),result},BabelRegExp.prototype[Symbol.replace]=function(str,substitution){if("string"==typeof substitution){var groups=_groups.get(this);return _super[Symbol.replace].call(this,str,substitution.replace(/\\$<([^>]+)>/g,(function(_,name){return"$"+groups[name]})))}if("function"==typeof substitution){var _this=this;return _super[Symbol.replace].call(this,str,(function(){var args=arguments;return"object"!=typeof args[args.length-1]&&(args=[].slice.call(args)).push(buildGroups(args,_this)),substitution.apply(this,args)}))}return _super[Symbol.replace].call(this,str,substitution)},_wrapRegExp.apply(this,arguments)}')
+});
+
+exports.default = _default;
\ No newline at end of file
diff --git a/node_modules/@babel/helpers/lib/helpers.js b/node_modules/@babel/helpers/lib/helpers.js
new file mode 100644
index 0000000..3b8eea2
--- /dev/null
+++ b/node_modules/@babel/helpers/lib/helpers.js
@@ -0,0 +1,1959 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _template = require("@babel/template");
+
+var _helpersGenerated = require("./helpers-generated");
+
+const helpers = Object.assign({
+  __proto__: null
+}, _helpersGenerated.default);
+var _default = helpers;
+exports.default = _default;
+
+const helper = minVersion => tpl => ({
+  minVersion,
+  ast: () => _template.default.program.ast(tpl)
+});
+
+helpers.AwaitValue = helper("7.0.0-beta.0")`
+  export default function _AwaitValue(value) {
+    this.wrapped = value;
+  }
+`;
+helpers.AsyncGenerator = helper("7.0.0-beta.0")`
+  import AwaitValue from "AwaitValue";
+
+  export default function AsyncGenerator(gen) {
+    var front, back;
+
+    function send(key, arg) {
+      return new Promise(function (resolve, reject) {
+        var request = {
+          key: key,
+          arg: arg,
+          resolve: resolve,
+          reject: reject,
+          next: null,
+        };
+
+        if (back) {
+          back = back.next = request;
+        } else {
+          front = back = request;
+          resume(key, arg);
+        }
+      });
+    }
+
+    function resume(key, arg) {
+      try {
+        var result = gen[key](arg)
+        var value = result.value;
+        var wrappedAwait = value instanceof AwaitValue;
+
+        Promise.resolve(wrappedAwait ? value.wrapped : value).then(
+          function (arg) {
+            if (wrappedAwait) {
+              resume(key === "return" ? "return" : "next", arg);
+              return
+            }
+
+            settle(result.done ? "return" : "normal", arg);
+          },
+          function (err) { resume("throw", err); });
+      } catch (err) {
+        settle("throw", err);
+      }
+    }
+
+    function settle(type, value) {
+      switch (type) {
+        case "return":
+          front.resolve({ value: value, done: true });
+          break;
+        case "throw":
+          front.reject(value);
+          break;
+        default:
+          front.resolve({ value: value, done: false });
+          break;
+      }
+
+      front = front.next;
+      if (front) {
+        resume(front.key, front.arg);
+      } else {
+        back = null;
+      }
+    }
+
+    this._invoke = send;
+
+    // Hide "return" method if generator return is not supported
+    if (typeof gen.return !== "function") {
+      this.return = undefined;
+    }
+  }
+
+  AsyncGenerator.prototype[typeof Symbol === "function" && Symbol.asyncIterator || "@@asyncIterator"] = function () { return this; };
+
+  AsyncGenerator.prototype.next = function (arg) { return this._invoke("next", arg); };
+  AsyncGenerator.prototype.throw = function (arg) { return this._invoke("throw", arg); };
+  AsyncGenerator.prototype.return = function (arg) { return this._invoke("return", arg); };
+`;
+helpers.wrapAsyncGenerator = helper("7.0.0-beta.0")`
+  import AsyncGenerator from "AsyncGenerator";
+
+  export default function _wrapAsyncGenerator(fn) {
+    return function () {
+      return new AsyncGenerator(fn.apply(this, arguments));
+    };
+  }
+`;
+helpers.awaitAsyncGenerator = helper("7.0.0-beta.0")`
+  import AwaitValue from "AwaitValue";
+
+  export default function _awaitAsyncGenerator(value) {
+    return new AwaitValue(value);
+  }
+`;
+helpers.asyncGeneratorDelegate = helper("7.0.0-beta.0")`
+  export default function _asyncGeneratorDelegate(inner, awaitWrap) {
+    var iter = {}, waiting = false;
+
+    function pump(key, value) {
+      waiting = true;
+      value = new Promise(function (resolve) { resolve(inner[key](value)); });
+      return { done: false, value: awaitWrap(value) };
+    };
+
+    iter[typeof Symbol !== "undefined" && Symbol.iterator || "@@iterator"] = function () { return this; };
+
+    iter.next = function (value) {
+      if (waiting) {
+        waiting = false;
+        return value;
+      }
+      return pump("next", value);
+    };
+
+    if (typeof inner.throw === "function") {
+      iter.throw = function (value) {
+        if (waiting) {
+          waiting = false;
+          throw value;
+        }
+        return pump("throw", value);
+      };
+    }
+
+    if (typeof inner.return === "function") {
+      iter.return = function (value) {
+        if (waiting) {
+          waiting = false;
+          return value;
+        }
+        return pump("return", value);
+      };
+    }
+
+    return iter;
+  }
+`;
+helpers.asyncToGenerator = helper("7.0.0-beta.0")`
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
+    }
+
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  export default function _asyncToGenerator(fn) {
+    return function () {
+      var self = this, args = arguments;
+      return new Promise(function (resolve, reject) {
+        var gen = fn.apply(self, args);
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
+        }
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
+      });
+    };
+  }
+`;
+helpers.classCallCheck = helper("7.0.0-beta.0")`
+  export default function _classCallCheck(instance, Constructor) {
+    if (!(instance instanceof Constructor)) {
+      throw new TypeError("Cannot call a class as a function");
+    }
+  }
+`;
+helpers.createClass = helper("7.0.0-beta.0")`
+  function _defineProperties(target, props) {
+    for (var i = 0; i < props.length; i ++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
+    }
+  }
+
+  export default function _createClass(Constructor, protoProps, staticProps) {
+    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) _defineProperties(Constructor, staticProps);
+    Object.defineProperty(Constructor, "prototype", { writable: false });
+    return Constructor;
+  }
+`;
+helpers.defineEnumerableProperties = helper("7.0.0-beta.0")`
+  export default function _defineEnumerableProperties(obj, descs) {
+    for (var key in descs) {
+      var desc = descs[key];
+      desc.configurable = desc.enumerable = true;
+      if ("value" in desc) desc.writable = true;
+      Object.defineProperty(obj, key, desc);
+    }
+
+    // Symbols are not enumerated over by for-in loops. If native
+    // Symbols are available, fetch all of the descs object's own
+    // symbol properties and define them on our target object too.
+    if (Object.getOwnPropertySymbols) {
+      var objectSymbols = Object.getOwnPropertySymbols(descs);
+      for (var i = 0; i < objectSymbols.length; i++) {
+        var sym = objectSymbols[i];
+        var desc = descs[sym];
+        desc.configurable = desc.enumerable = true;
+        if ("value" in desc) desc.writable = true;
+        Object.defineProperty(obj, sym, desc);
+      }
+    }
+    return obj;
+  }
+`;
+helpers.defaults = helper("7.0.0-beta.0")`
+  export default function _defaults(obj, defaults) {
+    var keys = Object.getOwnPropertyNames(defaults);
+    for (var i = 0; i < keys.length; i++) {
+      var key = keys[i];
+      var value = Object.getOwnPropertyDescriptor(defaults, key);
+      if (value && value.configurable && obj[key] === undefined) {
+        Object.defineProperty(obj, key, value);
+      }
+    }
+    return obj;
+  }
+`;
+helpers.defineProperty = helper("7.0.0-beta.0")`
+  export default function _defineProperty(obj, key, value) {
+    // Shortcircuit the slow defineProperty path when possible.
+    // We are trying to avoid issues where setters defined on the
+    // prototype cause side effects under the fast path of simple
+    // assignment. By checking for existence of the property with
+    // the in operator, we can optimize most of this overhead away.
+    if (key in obj) {
+      Object.defineProperty(obj, key, {
+        value: value,
+        enumerable: true,
+        configurable: true,
+        writable: true
+      });
+    } else {
+      obj[key] = value;
+    }
+    return obj;
+  }
+`;
+helpers.extends = helper("7.0.0-beta.0")`
+  export default function _extends() {
+    _extends = Object.assign || function (target) {
+      for (var i = 1; i < arguments.length; i++) {
+        var source = arguments[i];
+        for (var key in source) {
+          if (Object.prototype.hasOwnProperty.call(source, key)) {
+            target[key] = source[key];
+          }
+        }
+      }
+      return target;
+    };
+
+    return _extends.apply(this, arguments);
+  }
+`;
+helpers.objectSpread = helper("7.0.0-beta.0")`
+  import defineProperty from "defineProperty";
+
+  export default function _objectSpread(target) {
+    for (var i = 1; i < arguments.length; i++) {
+      var source = (arguments[i] != null) ? Object(arguments[i]) : {};
+      var ownKeys = Object.keys(source);
+      if (typeof Object.getOwnPropertySymbols === 'function') {
+        ownKeys.push.apply(ownKeys, Object.getOwnPropertySymbols(source).filter(function(sym) {
+          return Object.getOwnPropertyDescriptor(source, sym).enumerable;
+        }));
+      }
+      ownKeys.forEach(function(key) {
+        defineProperty(target, key, source[key]);
+      });
+    }
+    return target;
+  }
+`;
+helpers.inherits = helper("7.0.0-beta.0")`
+  import setPrototypeOf from "setPrototypeOf";
+
+  export default function _inherits(subClass, superClass) {
+    if (typeof superClass !== "function" && superClass !== null) {
+      throw new TypeError("Super expression must either be null or a function");
+    }
+    // We can't use defineProperty to set the prototype in a single step because it
+    // doesn't work in Chrome <= 36. https://github.com/babel/babel/issues/14056
+    // V8 bug: https://bugs.chromium.org/p/v8/issues/detail?id=3334
+    subClass.prototype = Object.create(superClass && superClass.prototype, {
+      constructor: {
+        value: subClass,
+        writable: true,
+        configurable: true
+      }
+    });
+    Object.defineProperty(subClass, "prototype", { writable: false });
+    if (superClass) setPrototypeOf(subClass, superClass);
+  }
+`;
+helpers.inheritsLoose = helper("7.0.0-beta.0")`
+  import setPrototypeOf from "setPrototypeOf";
+
+  export default function _inheritsLoose(subClass, superClass) {
+    subClass.prototype = Object.create(superClass.prototype);
+    subClass.prototype.constructor = subClass;
+    setPrototypeOf(subClass, superClass);
+  }
+`;
+helpers.getPrototypeOf = helper("7.0.0-beta.0")`
+  export default function _getPrototypeOf(o) {
+    _getPrototypeOf = Object.setPrototypeOf
+      ? Object.getPrototypeOf
+      : function _getPrototypeOf(o) {
+          return o.__proto__ || Object.getPrototypeOf(o);
+        };
+    return _getPrototypeOf(o);
+  }
+`;
+helpers.setPrototypeOf = helper("7.0.0-beta.0")`
+  export default function _setPrototypeOf(o, p) {
+    _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
+      o.__proto__ = p;
+      return o;
+    };
+    return _setPrototypeOf(o, p);
+  }
+`;
+helpers.isNativeReflectConstruct = helper("7.9.0")`
+  export default function _isNativeReflectConstruct() {
+    if (typeof Reflect === "undefined" || !Reflect.construct) return false;
+
+    // core-js@3
+    if (Reflect.construct.sham) return false;
+
+    // Proxy can't be polyfilled. Every browser implemented
+    // proxies before or at the same time as Reflect.construct,
+    // so if they support Proxy they also support Reflect.construct.
+    if (typeof Proxy === "function") return true;
+
+    // Since Reflect.construct can't be properly polyfilled, some
+    // implementations (e.g. core-js@2) don't set the correct internal slots.
+    // Those polyfills don't allow us to subclass built-ins, so we need to
+    // use our fallback implementation.
+    try {
+      // If the internal slots aren't set, this throws an error similar to
+      //   TypeError: this is not a Boolean object.
+
+      Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function() {}));
+      return true;
+    } catch (e) {
+      return false;
+    }
+  }
+`;
+helpers.construct = helper("7.0.0-beta.0")`
+  import setPrototypeOf from "setPrototypeOf";
+  import isNativeReflectConstruct from "isNativeReflectConstruct";
+
+  export default function _construct(Parent, args, Class) {
+    if (isNativeReflectConstruct()) {
+      _construct = Reflect.construct;
+    } else {
+      // NOTE: If Parent !== Class, the correct __proto__ is set *after*
+      //       calling the constructor.
+      _construct = function _construct(Parent, args, Class) {
+        var a = [null];
+        a.push.apply(a, args);
+        var Constructor = Function.bind.apply(Parent, a);
+        var instance = new Constructor();
+        if (Class) setPrototypeOf(instance, Class.prototype);
+        return instance;
+      };
+    }
+    // Avoid issues with Class being present but undefined when it wasn't
+    // present in the original call.
+    return _construct.apply(null, arguments);
+  }
+`;
+helpers.isNativeFunction = helper("7.0.0-beta.0")`
+  export default function _isNativeFunction(fn) {
+    // Note: This function returns "true" for core-js functions.
+    return Function.toString.call(fn).indexOf("[native code]") !== -1;
+  }
+`;
+helpers.wrapNativeSuper = helper("7.0.0-beta.0")`
+  import getPrototypeOf from "getPrototypeOf";
+  import setPrototypeOf from "setPrototypeOf";
+  import isNativeFunction from "isNativeFunction";
+  import construct from "construct";
+
+  export default function _wrapNativeSuper(Class) {
+    var _cache = typeof Map === "function" ? new Map() : undefined;
+
+    _wrapNativeSuper = function _wrapNativeSuper(Class) {
+      if (Class === null || !isNativeFunction(Class)) return Class;
+      if (typeof Class !== "function") {
+        throw new TypeError("Super expression must either be null or a function");
+      }
+      if (typeof _cache !== "undefined") {
+        if (_cache.has(Class)) return _cache.get(Class);
+        _cache.set(Class, Wrapper);
+      }
+      function Wrapper() {
+        return construct(Class, arguments, getPrototypeOf(this).constructor)
+      }
+      Wrapper.prototype = Object.create(Class.prototype, {
+        constructor: {
+          value: Wrapper,
+          enumerable: false,
+          writable: true,
+          configurable: true,
+        }
+      });
+
+      return setPrototypeOf(Wrapper, Class);
+    }
+
+    return _wrapNativeSuper(Class)
+  }
+`;
+helpers.instanceof = helper("7.0.0-beta.0")`
+  export default function _instanceof(left, right) {
+    if (right != null && typeof Symbol !== "undefined" && right[Symbol.hasInstance]) {
+      return !!right[Symbol.hasInstance](left);
+    } else {
+      return left instanceof right;
+    }
+  }
+`;
+helpers.interopRequireDefault = helper("7.0.0-beta.0")`
+  export default function _interopRequireDefault(obj) {
+    return obj && obj.__esModule ? obj : { default: obj };
+  }
+`;
+helpers.interopRequireWildcard = helper("7.14.0")`
+  function _getRequireWildcardCache(nodeInterop) {
+    if (typeof WeakMap !== "function") return null;
+
+    var cacheBabelInterop = new WeakMap();
+    var cacheNodeInterop = new WeakMap();
+    return (_getRequireWildcardCache = function (nodeInterop) {
+      return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
+    })(nodeInterop);
+  }
+
+  export default function _interopRequireWildcard(obj, nodeInterop) {
+    if (!nodeInterop && obj && obj.__esModule) {
+      return obj;
+    }
+
+    if (obj === null || (typeof obj !== "object" && typeof obj !== "function")) {
+      return { default: obj }
+    }
+
+    var cache = _getRequireWildcardCache(nodeInterop);
+    if (cache && cache.has(obj)) {
+      return cache.get(obj);
+    }
+
+    var newObj = {};
+    var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
+    for (var key in obj) {
+      if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) {
+        var desc = hasPropertyDescriptor
+          ? Object.getOwnPropertyDescriptor(obj, key)
+          : null;
+        if (desc && (desc.get || desc.set)) {
+          Object.defineProperty(newObj, key, desc);
+        } else {
+          newObj[key] = obj[key];
+        }
+      }
+    }
+    newObj.default = obj;
+    if (cache) {
+      cache.set(obj, newObj);
+    }
+    return newObj;
+  }
+`;
+helpers.newArrowCheck = helper("7.0.0-beta.0")`
+  export default function _newArrowCheck(innerThis, boundThis) {
+    if (innerThis !== boundThis) {
+      throw new TypeError("Cannot instantiate an arrow function");
+    }
+  }
+`;
+helpers.objectDestructuringEmpty = helper("7.0.0-beta.0")`
+  export default function _objectDestructuringEmpty(obj) {
+    if (obj == null) throw new TypeError("Cannot destructure undefined");
+  }
+`;
+helpers.objectWithoutPropertiesLoose = helper("7.0.0-beta.0")`
+  export default function _objectWithoutPropertiesLoose(source, excluded) {
+    if (source == null) return {};
+
+    var target = {};
+    var sourceKeys = Object.keys(source);
+    var key, i;
+
+    for (i = 0; i < sourceKeys.length; i++) {
+      key = sourceKeys[i];
+      if (excluded.indexOf(key) >= 0) continue;
+      target[key] = source[key];
+    }
+
+    return target;
+  }
+`;
+helpers.objectWithoutProperties = helper("7.0.0-beta.0")`
+  import objectWithoutPropertiesLoose from "objectWithoutPropertiesLoose";
+
+  export default function _objectWithoutProperties(source, excluded) {
+    if (source == null) return {};
+
+    var target = objectWithoutPropertiesLoose(source, excluded);
+    var key, i;
+
+    if (Object.getOwnPropertySymbols) {
+      var sourceSymbolKeys = Object.getOwnPropertySymbols(source);
+      for (i = 0; i < sourceSymbolKeys.length; i++) {
+        key = sourceSymbolKeys[i];
+        if (excluded.indexOf(key) >= 0) continue;
+        if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;
+        target[key] = source[key];
+      }
+    }
+
+    return target;
+  }
+`;
+helpers.assertThisInitialized = helper("7.0.0-beta.0")`
+  export default function _assertThisInitialized(self) {
+    if (self === void 0) {
+      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+    }
+    return self;
+  }
+`;
+helpers.possibleConstructorReturn = helper("7.0.0-beta.0")`
+  import assertThisInitialized from "assertThisInitialized";
+
+  export default function _possibleConstructorReturn(self, call) {
+    if (call && (typeof call === "object" || typeof call === "function")) {
+      return call;
+    } else if (call !== void 0) {
+      throw new TypeError("Derived constructors may only return object or undefined");
+    }
+
+    return assertThisInitialized(self);
+  }
+`;
+helpers.createSuper = helper("7.9.0")`
+  import getPrototypeOf from "getPrototypeOf";
+  import isNativeReflectConstruct from "isNativeReflectConstruct";
+  import possibleConstructorReturn from "possibleConstructorReturn";
+
+  export default function _createSuper(Derived) {
+    var hasNativeReflectConstruct = isNativeReflectConstruct();
+
+    return function _createSuperInternal() {
+      var Super = getPrototypeOf(Derived), result;
+      if (hasNativeReflectConstruct) {
+        // NOTE: This doesn't work if this.__proto__.constructor has been modified.
+        var NewTarget = getPrototypeOf(this).constructor;
+        result = Reflect.construct(Super, arguments, NewTarget);
+      } else {
+        result = Super.apply(this, arguments);
+      }
+      return possibleConstructorReturn(this, result);
+    }
+  }
+ `;
+helpers.superPropBase = helper("7.0.0-beta.0")`
+  import getPrototypeOf from "getPrototypeOf";
+
+  export default function _superPropBase(object, property) {
+    // Yes, this throws if object is null to being with, that's on purpose.
+    while (!Object.prototype.hasOwnProperty.call(object, property)) {
+      object = getPrototypeOf(object);
+      if (object === null) break;
+    }
+    return object;
+  }
+`;
+helpers.get = helper("7.0.0-beta.0")`
+  import superPropBase from "superPropBase";
+
+  export default function _get() {
+    if (typeof Reflect !== "undefined" && Reflect.get) {
+      _get = Reflect.get;
+    } else {
+      _get = function _get(target, property, receiver) {
+        var base = superPropBase(target, property);
+
+        if (!base) return;
+
+        var desc = Object.getOwnPropertyDescriptor(base, property);
+        if (desc.get) {
+          // STEP 3. If receiver is not present, then set receiver to target.
+          return desc.get.call(arguments.length < 3 ? target : receiver);
+        }
+
+        return desc.value;
+      };
+    }
+    return _get.apply(this, arguments);
+  }
+`;
+helpers.set = helper("7.0.0-beta.0")`
+  import superPropBase from "superPropBase";
+  import defineProperty from "defineProperty";
+
+  function set(target, property, value, receiver) {
+    if (typeof Reflect !== "undefined" && Reflect.set) {
+      set = Reflect.set;
+    } else {
+      set = function set(target, property, value, receiver) {
+        var base = superPropBase(target, property);
+        var desc;
+
+        if (base) {
+          desc = Object.getOwnPropertyDescriptor(base, property);
+          if (desc.set) {
+            desc.set.call(receiver, value);
+            return true;
+          } else if (!desc.writable) {
+            // Both getter and non-writable fall into this.
+            return false;
+          }
+        }
+
+        // Without a super that defines the property, spec boils down to
+        // "define on receiver" for some reason.
+        desc = Object.getOwnPropertyDescriptor(receiver, property);
+        if (desc) {
+          if (!desc.writable) {
+            // Setter, getter, and non-writable fall into this.
+            return false;
+          }
+
+          desc.value = value;
+          Object.defineProperty(receiver, property, desc);
+        } else {
+          // Avoid setters that may be defined on Sub's prototype, but not on
+          // the instance.
+          defineProperty(receiver, property, value);
+        }
+
+        return true;
+      };
+    }
+
+    return set(target, property, value, receiver);
+  }
+
+  export default function _set(target, property, value, receiver, isStrict) {
+    var s = set(target, property, value, receiver || target);
+    if (!s && isStrict) {
+      throw new Error('failed to set property');
+    }
+
+    return value;
+  }
+`;
+helpers.taggedTemplateLiteral = helper("7.0.0-beta.0")`
+  export default function _taggedTemplateLiteral(strings, raw) {
+    if (!raw) { raw = strings.slice(0); }
+    return Object.freeze(Object.defineProperties(strings, {
+        raw: { value: Object.freeze(raw) }
+    }));
+  }
+`;
+helpers.taggedTemplateLiteralLoose = helper("7.0.0-beta.0")`
+  export default function _taggedTemplateLiteralLoose(strings, raw) {
+    if (!raw) { raw = strings.slice(0); }
+    strings.raw = raw;
+    return strings;
+  }
+`;
+helpers.readOnlyError = helper("7.0.0-beta.0")`
+  export default function _readOnlyError(name) {
+    throw new TypeError("\\"" + name + "\\" is read-only");
+  }
+`;
+helpers.writeOnlyError = helper("7.12.13")`
+  export default function _writeOnlyError(name) {
+    throw new TypeError("\\"" + name + "\\" is write-only");
+  }
+`;
+helpers.classNameTDZError = helper("7.0.0-beta.0")`
+  export default function _classNameTDZError(name) {
+    throw new Error("Class \\"" + name + "\\" cannot be referenced in computed property keys.");
+  }
+`;
+helpers.temporalUndefined = helper("7.0.0-beta.0")`
+  // This function isn't mean to be called, but to be used as a reference.
+  // We can't use a normal object because it isn't hoisted.
+  export default function _temporalUndefined() {}
+`;
+helpers.tdz = helper("7.5.5")`
+  export default function _tdzError(name) {
+    throw new ReferenceError(name + " is not defined - temporal dead zone");
+  }
+`;
+helpers.temporalRef = helper("7.0.0-beta.0")`
+  import undef from "temporalUndefined";
+  import err from "tdz";
+
+  export default function _temporalRef(val, name) {
+    return val === undef ? err(name) : val;
+  }
+`;
+helpers.slicedToArray = helper("7.0.0-beta.0")`
+  import arrayWithHoles from "arrayWithHoles";
+  import iterableToArrayLimit from "iterableToArrayLimit";
+  import unsupportedIterableToArray from "unsupportedIterableToArray";
+  import nonIterableRest from "nonIterableRest";
+
+  export default function _slicedToArray(arr, i) {
+    return (
+      arrayWithHoles(arr) ||
+      iterableToArrayLimit(arr, i) ||
+      unsupportedIterableToArray(arr, i) ||
+      nonIterableRest()
+    );
+  }
+`;
+helpers.slicedToArrayLoose = helper("7.0.0-beta.0")`
+  import arrayWithHoles from "arrayWithHoles";
+  import iterableToArrayLimitLoose from "iterableToArrayLimitLoose";
+  import unsupportedIterableToArray from "unsupportedIterableToArray";
+  import nonIterableRest from "nonIterableRest";
+
+  export default function _slicedToArrayLoose(arr, i) {
+    return (
+      arrayWithHoles(arr) ||
+      iterableToArrayLimitLoose(arr, i) ||
+      unsupportedIterableToArray(arr, i) ||
+      nonIterableRest()
+    );
+  }
+`;
+helpers.toArray = helper("7.0.0-beta.0")`
+  import arrayWithHoles from "arrayWithHoles";
+  import iterableToArray from "iterableToArray";
+  import unsupportedIterableToArray from "unsupportedIterableToArray";
+  import nonIterableRest from "nonIterableRest";
+
+  export default function _toArray(arr) {
+    return (
+      arrayWithHoles(arr) ||
+      iterableToArray(arr) ||
+      unsupportedIterableToArray(arr) ||
+      nonIterableRest()
+    );
+  }
+`;
+helpers.toConsumableArray = helper("7.0.0-beta.0")`
+  import arrayWithoutHoles from "arrayWithoutHoles";
+  import iterableToArray from "iterableToArray";
+  import unsupportedIterableToArray from "unsupportedIterableToArray";
+  import nonIterableSpread from "nonIterableSpread";
+
+  export default function _toConsumableArray(arr) {
+    return (
+      arrayWithoutHoles(arr) ||
+      iterableToArray(arr) ||
+      unsupportedIterableToArray(arr) ||
+      nonIterableSpread()
+    );
+  }
+`;
+helpers.arrayWithoutHoles = helper("7.0.0-beta.0")`
+  import arrayLikeToArray from "arrayLikeToArray";
+
+  export default function _arrayWithoutHoles(arr) {
+    if (Array.isArray(arr)) return arrayLikeToArray(arr);
+  }
+`;
+helpers.arrayWithHoles = helper("7.0.0-beta.0")`
+  export default function _arrayWithHoles(arr) {
+    if (Array.isArray(arr)) return arr;
+  }
+`;
+helpers.maybeArrayLike = helper("7.9.0")`
+  import arrayLikeToArray from "arrayLikeToArray";
+
+  export default function _maybeArrayLike(next, arr, i) {
+    if (arr && !Array.isArray(arr) && typeof arr.length === "number") {
+      var len = arr.length;
+      return arrayLikeToArray(arr, i !== void 0 && i < len ? i : len);
+    }
+    return next(arr, i);
+  }
+`;
+helpers.iterableToArray = helper("7.0.0-beta.0")`
+  export default function _iterableToArray(iter) {
+    if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
+  }
+`;
+helpers.iterableToArrayLimit = helper("7.0.0-beta.0")`
+  export default function _iterableToArrayLimit(arr, i) {
+    // this is an expanded form of \`for...of\` that properly supports abrupt completions of
+    // iterators etc. variable names have been minimised to reduce the size of this massive
+    // helper. sometimes spec compliance is annoying :(
+    //
+    // _n = _iteratorNormalCompletion
+    // _d = _didIteratorError
+    // _e = _iteratorError
+    // _i = _iterator
+    // _s = _step
+
+    var _i = arr == null ? null : (typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]);
+    if (_i == null) return;
+
+    var _arr = [];
+    var _n = true;
+    var _d = false;
+    var _s, _e;
+    try {
+      for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) {
+        _arr.push(_s.value);
+        if (i && _arr.length === i) break;
+      }
+    } catch (err) {
+      _d = true;
+      _e = err;
+    } finally {
+      try {
+        if (!_n && _i["return"] != null) _i["return"]();
+      } finally {
+        if (_d) throw _e;
+      }
+    }
+    return _arr;
+  }
+`;
+helpers.iterableToArrayLimitLoose = helper("7.0.0-beta.0")`
+  export default function _iterableToArrayLimitLoose(arr, i) {
+    var _i = arr && (typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]);
+    if (_i == null) return;
+
+    var _arr = [];
+    for (_i = _i.call(arr), _step; !(_step = _i.next()).done;) {
+      _arr.push(_step.value);
+      if (i && _arr.length === i) break;
+    }
+    return _arr;
+  }
+`;
+helpers.unsupportedIterableToArray = helper("7.9.0")`
+  import arrayLikeToArray from "arrayLikeToArray";
+
+  export default function _unsupportedIterableToArray(o, minLen) {
+    if (!o) return;
+    if (typeof o === "string") return arrayLikeToArray(o, minLen);
+    var n = Object.prototype.toString.call(o).slice(8, -1);
+    if (n === "Object" && o.constructor) n = o.constructor.name;
+    if (n === "Map" || n === "Set") return Array.from(o);
+    if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n))
+      return arrayLikeToArray(o, minLen);
+  }
+`;
+helpers.arrayLikeToArray = helper("7.9.0")`
+  export default function _arrayLikeToArray(arr, len) {
+    if (len == null || len > arr.length) len = arr.length;
+    for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
+    return arr2;
+  }
+`;
+helpers.nonIterableSpread = helper("7.0.0-beta.0")`
+  export default function _nonIterableSpread() {
+    throw new TypeError(
+      "Invalid attempt to spread non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."
+    );
+  }
+`;
+helpers.nonIterableRest = helper("7.0.0-beta.0")`
+  export default function _nonIterableRest() {
+    throw new TypeError(
+      "Invalid attempt to destructure non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."
+    );
+  }
+`;
+helpers.createForOfIteratorHelper = helper("7.9.0")`
+  import unsupportedIterableToArray from "unsupportedIterableToArray";
+
+  // s: start (create the iterator)
+  // n: next
+  // e: error (called whenever something throws)
+  // f: finish (always called at the end)
+
+  export default function _createForOfIteratorHelper(o, allowArrayLike) {
+    var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"];
+
+    if (!it) {
+      // Fallback for engines without symbol support
+      if (
+        Array.isArray(o) ||
+        (it = unsupportedIterableToArray(o)) ||
+        (allowArrayLike && o && typeof o.length === "number")
+      ) {
+        if (it) o = it;
+        var i = 0;
+        var F = function(){};
+        return {
+          s: F,
+          n: function() {
+            if (i >= o.length) return { done: true };
+            return { done: false, value: o[i++] };
+          },
+          e: function(e) { throw e; },
+          f: F,
+        };
+      }
+
+      throw new TypeError("Invalid attempt to iterate non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
+    }
+
+    var normalCompletion = true, didErr = false, err;
+
+    return {
+      s: function() {
+        it = it.call(o);
+      },
+      n: function() {
+        var step = it.next();
+        normalCompletion = step.done;
+        return step;
+      },
+      e: function(e) {
+        didErr = true;
+        err = e;
+      },
+      f: function() {
+        try {
+          if (!normalCompletion && it.return != null) it.return();
+        } finally {
+          if (didErr) throw err;
+        }
+      }
+    };
+  }
+`;
+helpers.createForOfIteratorHelperLoose = helper("7.9.0")`
+  import unsupportedIterableToArray from "unsupportedIterableToArray";
+
+  export default function _createForOfIteratorHelperLoose(o, allowArrayLike) {
+    var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"];
+
+    if (it) return (it = it.call(o)).next.bind(it);
+
+    // Fallback for engines without symbol support
+    if (
+      Array.isArray(o) ||
+      (it = unsupportedIterableToArray(o)) ||
+      (allowArrayLike && o && typeof o.length === "number")
+    ) {
+      if (it) o = it;
+      var i = 0;
+      return function() {
+        if (i >= o.length) return { done: true };
+        return { done: false, value: o[i++] };
+      }
+    }
+
+    throw new TypeError("Invalid attempt to iterate non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
+  }
+`;
+helpers.skipFirstGeneratorNext = helper("7.0.0-beta.0")`
+  export default function _skipFirstGeneratorNext(fn) {
+    return function () {
+      var it = fn.apply(this, arguments);
+      it.next();
+      return it;
+    }
+  }
+`;
+helpers.toPrimitive = helper("7.1.5")`
+  export default function _toPrimitive(
+    input,
+    hint /*: "default" | "string" | "number" | void */
+  ) {
+    if (typeof input !== "object" || input === null) return input;
+    var prim = input[Symbol.toPrimitive];
+    if (prim !== undefined) {
+      var res = prim.call(input, hint || "default");
+      if (typeof res !== "object") return res;
+      throw new TypeError("@@toPrimitive must return a primitive value.");
+    }
+    return (hint === "string" ? String : Number)(input);
+  }
+`;
+helpers.toPropertyKey = helper("7.1.5")`
+  import toPrimitive from "toPrimitive";
+
+  export default function _toPropertyKey(arg) {
+    var key = toPrimitive(arg, "string");
+    return typeof key === "symbol" ? key : String(key);
+  }
+`;
+helpers.initializerWarningHelper = helper("7.0.0-beta.0")`
+    export default function _initializerWarningHelper(descriptor, context){
+        throw new Error(
+          'Decorating class property failed. Please ensure that ' +
+          'proposal-class-properties is enabled and runs after the decorators transform.'
+        );
+    }
+`;
+helpers.initializerDefineProperty = helper("7.0.0-beta.0")`
+    export default function _initializerDefineProperty(target, property, descriptor, context){
+        if (!descriptor) return;
+
+        Object.defineProperty(target, property, {
+            enumerable: descriptor.enumerable,
+            configurable: descriptor.configurable,
+            writable: descriptor.writable,
+            value: descriptor.initializer ? descriptor.initializer.call(context) : void 0,
+        });
+    }
+`;
+helpers.applyDecoratedDescriptor = helper("7.0.0-beta.0")`
+    export default function _applyDecoratedDescriptor(target, property, decorators, descriptor, context){
+        var desc = {};
+        Object.keys(descriptor).forEach(function(key){
+            desc[key] = descriptor[key];
+        });
+        desc.enumerable = !!desc.enumerable;
+        desc.configurable = !!desc.configurable;
+        if ('value' in desc || desc.initializer){
+            desc.writable = true;
+        }
+
+        desc = decorators.slice().reverse().reduce(function(desc, decorator){
+            return decorator(target, property, desc) || desc;
+        }, desc);
+
+        if (context && desc.initializer !== void 0){
+            desc.value = desc.initializer ? desc.initializer.call(context) : void 0;
+            desc.initializer = undefined;
+        }
+
+        if (desc.initializer === void 0){
+            Object.defineProperty(target, property, desc);
+            desc = null;
+        }
+
+        return desc;
+    }
+`;
+helpers.classPrivateFieldLooseKey = helper("7.0.0-beta.0")`
+  var id = 0;
+  export default function _classPrivateFieldKey(name) {
+    return "__private_" + (id++) + "_" + name;
+  }
+`;
+helpers.classPrivateFieldLooseBase = helper("7.0.0-beta.0")`
+  export default function _classPrivateFieldBase(receiver, privateKey) {
+    if (!Object.prototype.hasOwnProperty.call(receiver, privateKey)) {
+      throw new TypeError("attempted to use private field on non-instance");
+    }
+    return receiver;
+  }
+`;
+helpers.classPrivateFieldGet = helper("7.0.0-beta.0")`
+  import classApplyDescriptorGet from "classApplyDescriptorGet";
+  import classExtractFieldDescriptor from "classExtractFieldDescriptor";
+  export default function _classPrivateFieldGet(receiver, privateMap) {
+    var descriptor = classExtractFieldDescriptor(receiver, privateMap, "get");
+    return classApplyDescriptorGet(receiver, descriptor);
+  }
+`;
+helpers.classPrivateFieldSet = helper("7.0.0-beta.0")`
+  import classApplyDescriptorSet from "classApplyDescriptorSet";
+  import classExtractFieldDescriptor from "classExtractFieldDescriptor";
+  export default function _classPrivateFieldSet(receiver, privateMap, value) {
+    var descriptor = classExtractFieldDescriptor(receiver, privateMap, "set");
+    classApplyDescriptorSet(receiver, descriptor, value);
+    return value;
+  }
+`;
+helpers.classPrivateFieldDestructureSet = helper("7.4.4")`
+  import classApplyDescriptorDestructureSet from "classApplyDescriptorDestructureSet";
+  import classExtractFieldDescriptor from "classExtractFieldDescriptor";
+  export default function _classPrivateFieldDestructureSet(receiver, privateMap) {
+    var descriptor = classExtractFieldDescriptor(receiver, privateMap, "set");
+    return classApplyDescriptorDestructureSet(receiver, descriptor);
+  }
+`;
+helpers.classExtractFieldDescriptor = helper("7.13.10")`
+  export default function _classExtractFieldDescriptor(receiver, privateMap, action) {
+    if (!privateMap.has(receiver)) {
+      throw new TypeError("attempted to " + action + " private field on non-instance");
+    }
+    return privateMap.get(receiver);
+  }
+`;
+helpers.classStaticPrivateFieldSpecGet = helper("7.0.2")`
+  import classApplyDescriptorGet from "classApplyDescriptorGet";
+  import classCheckPrivateStaticAccess from "classCheckPrivateStaticAccess";
+  import classCheckPrivateStaticFieldDescriptor from "classCheckPrivateStaticFieldDescriptor";
+  export default function _classStaticPrivateFieldSpecGet(receiver, classConstructor, descriptor) {
+    classCheckPrivateStaticAccess(receiver, classConstructor);
+    classCheckPrivateStaticFieldDescriptor(descriptor, "get");
+    return classApplyDescriptorGet(receiver, descriptor);
+  }
+`;
+helpers.classStaticPrivateFieldSpecSet = helper("7.0.2")`
+  import classApplyDescriptorSet from "classApplyDescriptorSet";
+  import classCheckPrivateStaticAccess from "classCheckPrivateStaticAccess";
+  import classCheckPrivateStaticFieldDescriptor from "classCheckPrivateStaticFieldDescriptor";
+  export default function _classStaticPrivateFieldSpecSet(receiver, classConstructor, descriptor, value) {
+    classCheckPrivateStaticAccess(receiver, classConstructor);
+    classCheckPrivateStaticFieldDescriptor(descriptor, "set");
+    classApplyDescriptorSet(receiver, descriptor, value);
+    return value;
+  }
+`;
+helpers.classStaticPrivateMethodGet = helper("7.3.2")`
+  import classCheckPrivateStaticAccess from "classCheckPrivateStaticAccess";
+  export default function _classStaticPrivateMethodGet(receiver, classConstructor, method) {
+    classCheckPrivateStaticAccess(receiver, classConstructor);
+    return method;
+  }
+`;
+helpers.classStaticPrivateMethodSet = helper("7.3.2")`
+  export default function _classStaticPrivateMethodSet() {
+    throw new TypeError("attempted to set read only static private field");
+  }
+`;
+helpers.classApplyDescriptorGet = helper("7.13.10")`
+  export default function _classApplyDescriptorGet(receiver, descriptor) {
+    if (descriptor.get) {
+      return descriptor.get.call(receiver);
+    }
+    return descriptor.value;
+  }
+`;
+helpers.classApplyDescriptorSet = helper("7.13.10")`
+  export default function _classApplyDescriptorSet(receiver, descriptor, value) {
+    if (descriptor.set) {
+      descriptor.set.call(receiver, value);
+    } else {
+      if (!descriptor.writable) {
+        // This should only throw in strict mode, but class bodies are
+        // always strict and private fields can only be used inside
+        // class bodies.
+        throw new TypeError("attempted to set read only private field");
+      }
+      descriptor.value = value;
+    }
+  }
+`;
+helpers.classApplyDescriptorDestructureSet = helper("7.13.10")`
+  export default function _classApplyDescriptorDestructureSet(receiver, descriptor) {
+    if (descriptor.set) {
+      if (!("__destrObj" in descriptor)) {
+        descriptor.__destrObj = {
+          set value(v) {
+            descriptor.set.call(receiver, v)
+          },
+        };
+      }
+      return descriptor.__destrObj;
+    } else {
+      if (!descriptor.writable) {
+        // This should only throw in strict mode, but class bodies are
+        // always strict and private fields can only be used inside
+        // class bodies.
+        throw new TypeError("attempted to set read only private field");
+      }
+
+      return descriptor;
+    }
+  }
+`;
+helpers.classStaticPrivateFieldDestructureSet = helper("7.13.10")`
+  import classApplyDescriptorDestructureSet from "classApplyDescriptorDestructureSet";
+  import classCheckPrivateStaticAccess from "classCheckPrivateStaticAccess";
+  import classCheckPrivateStaticFieldDescriptor from "classCheckPrivateStaticFieldDescriptor";
+  export default function _classStaticPrivateFieldDestructureSet(receiver, classConstructor, descriptor) {
+    classCheckPrivateStaticAccess(receiver, classConstructor);
+    classCheckPrivateStaticFieldDescriptor(descriptor, "set");
+    return classApplyDescriptorDestructureSet(receiver, descriptor);
+  }
+`;
+helpers.classCheckPrivateStaticAccess = helper("7.13.10")`
+  export default function _classCheckPrivateStaticAccess(receiver, classConstructor) {
+    if (receiver !== classConstructor) {
+      throw new TypeError("Private static access of wrong provenance");
+    }
+  }
+`;
+helpers.classCheckPrivateStaticFieldDescriptor = helper("7.13.10")`
+  export default function _classCheckPrivateStaticFieldDescriptor(descriptor, action) {
+    if (descriptor === undefined) {
+      throw new TypeError("attempted to " + action + " private static field before its declaration");
+    }
+  }
+`;
+helpers.decorate = helper("7.1.5")`
+  import toArray from "toArray";
+  import toPropertyKey from "toPropertyKey";
+
+  // These comments are stripped by @babel/template
+  /*::
+  type PropertyDescriptor =
+    | {
+        value: any,
+        writable: boolean,
+        configurable: boolean,
+        enumerable: boolean,
+      }
+    | {
+        get?: () => any,
+        set?: (v: any) => void,
+        configurable: boolean,
+        enumerable: boolean,
+      };
+
+  type FieldDescriptor ={
+    writable: boolean,
+    configurable: boolean,
+    enumerable: boolean,
+  };
+
+  type Placement = "static" | "prototype" | "own";
+  type Key = string | symbol; // PrivateName is not supported yet.
+
+  type ElementDescriptor =
+    | {
+        kind: "method",
+        key: Key,
+        placement: Placement,
+        descriptor: PropertyDescriptor
+      }
+    | {
+        kind: "field",
+        key: Key,
+        placement: Placement,
+        descriptor: FieldDescriptor,
+        initializer?: () => any,
+      };
+
+  // This is exposed to the user code
+  type ElementObjectInput = ElementDescriptor & {
+    [@@toStringTag]?: "Descriptor"
+  };
+
+  // This is exposed to the user code
+  type ElementObjectOutput = ElementDescriptor & {
+    [@@toStringTag]?: "Descriptor"
+    extras?: ElementDescriptor[],
+    finisher?: ClassFinisher,
+  };
+
+  // This is exposed to the user code
+  type ClassObject = {
+    [@@toStringTag]?: "Descriptor",
+    kind: "class",
+    elements: ElementDescriptor[],
+  };
+
+  type ElementDecorator = (descriptor: ElementObjectInput) => ?ElementObjectOutput;
+  type ClassDecorator = (descriptor: ClassObject) => ?ClassObject;
+  type ClassFinisher = <A, B>(cl: Class<A>) => Class<B>;
+
+  // Only used by Babel in the transform output, not part of the spec.
+  type ElementDefinition =
+    | {
+        kind: "method",
+        value: any,
+        key: Key,
+        static?: boolean,
+        decorators?: ElementDecorator[],
+      }
+    | {
+        kind: "field",
+        value: () => any,
+        key: Key,
+        static?: boolean,
+        decorators?: ElementDecorator[],
+    };
+
+  declare function ClassFactory<C>(initialize: (instance: C) => void): {
+    F: Class<C>,
+    d: ElementDefinition[]
+  }
+
+  */
+
+  /*::
+  // Various combinations with/without extras and with one or many finishers
+
+  type ElementFinisherExtras = {
+    element: ElementDescriptor,
+    finisher?: ClassFinisher,
+    extras?: ElementDescriptor[],
+  };
+
+  type ElementFinishersExtras = {
+    element: ElementDescriptor,
+    finishers: ClassFinisher[],
+    extras: ElementDescriptor[],
+  };
+
+  type ElementsFinisher = {
+    elements: ElementDescriptor[],
+    finisher?: ClassFinisher,
+  };
+
+  type ElementsFinishers = {
+    elements: ElementDescriptor[],
+    finishers: ClassFinisher[],
+  };
+
+  */
+
+  /*::
+
+  type Placements = {
+    static: Key[],
+    prototype: Key[],
+    own: Key[],
+  };
+
+  */
+
+  // ClassDefinitionEvaluation (Steps 26-*)
+  export default function _decorate(
+    decorators /*: ClassDecorator[] */,
+    factory /*: ClassFactory */,
+    superClass /*: ?Class<*> */,
+    mixins /*: ?Array<Function> */,
+  ) /*: Class<*> */ {
+    var api = _getDecoratorsApi();
+    if (mixins) {
+      for (var i = 0; i < mixins.length; i++) {
+        api = mixins[i](api);
+      }
+    }
+
+    var r = factory(function initialize(O) {
+      api.initializeInstanceElements(O, decorated.elements);
+    }, superClass);
+    var decorated = api.decorateClass(
+      _coalesceClassElements(r.d.map(_createElementDescriptor)),
+      decorators,
+    );
+
+    api.initializeClassElements(r.F, decorated.elements);
+
+    return api.runClassFinishers(r.F, decorated.finishers);
+  }
+
+  function _getDecoratorsApi() {
+    _getDecoratorsApi = function() {
+      return api;
+    };
+
+    var api = {
+      elementsDefinitionOrder: [["method"], ["field"]],
+
+      // InitializeInstanceElements
+      initializeInstanceElements: function(
+        /*::<C>*/ O /*: C */,
+        elements /*: ElementDescriptor[] */,
+      ) {
+        ["method", "field"].forEach(function(kind) {
+          elements.forEach(function(element /*: ElementDescriptor */) {
+            if (element.kind === kind && element.placement === "own") {
+              this.defineClassElement(O, element);
+            }
+          }, this);
+        }, this);
+      },
+
+      // InitializeClassElements
+      initializeClassElements: function(
+        /*::<C>*/ F /*: Class<C> */,
+        elements /*: ElementDescriptor[] */,
+      ) {
+        var proto = F.prototype;
+
+        ["method", "field"].forEach(function(kind) {
+          elements.forEach(function(element /*: ElementDescriptor */) {
+            var placement = element.placement;
+            if (
+              element.kind === kind &&
+              (placement === "static" || placement === "prototype")
+            ) {
+              var receiver = placement === "static" ? F : proto;
+              this.defineClassElement(receiver, element);
+            }
+          }, this);
+        }, this);
+      },
+
+      // DefineClassElement
+      defineClassElement: function(
+        /*::<C>*/ receiver /*: C | Class<C> */,
+        element /*: ElementDescriptor */,
+      ) {
+        var descriptor /*: PropertyDescriptor */ = element.descriptor;
+        if (element.kind === "field") {
+          var initializer = element.initializer;
+          descriptor = {
+            enumerable: descriptor.enumerable,
+            writable: descriptor.writable,
+            configurable: descriptor.configurable,
+            value: initializer === void 0 ? void 0 : initializer.call(receiver),
+          };
+        }
+        Object.defineProperty(receiver, element.key, descriptor);
+      },
+
+      // DecorateClass
+      decorateClass: function(
+        elements /*: ElementDescriptor[] */,
+        decorators /*: ClassDecorator[] */,
+      ) /*: ElementsFinishers */ {
+        var newElements /*: ElementDescriptor[] */ = [];
+        var finishers /*: ClassFinisher[] */ = [];
+        var placements /*: Placements */ = {
+          static: [],
+          prototype: [],
+          own: [],
+        };
+
+        elements.forEach(function(element /*: ElementDescriptor */) {
+          this.addElementPlacement(element, placements);
+        }, this);
+
+        elements.forEach(function(element /*: ElementDescriptor */) {
+          if (!_hasDecorators(element)) return newElements.push(element);
+
+          var elementFinishersExtras /*: ElementFinishersExtras */ = this.decorateElement(
+            element,
+            placements,
+          );
+          newElements.push(elementFinishersExtras.element);
+          newElements.push.apply(newElements, elementFinishersExtras.extras);
+          finishers.push.apply(finishers, elementFinishersExtras.finishers);
+        }, this);
+
+        if (!decorators) {
+          return { elements: newElements, finishers: finishers };
+        }
+
+        var result /*: ElementsFinishers */ = this.decorateConstructor(
+          newElements,
+          decorators,
+        );
+        finishers.push.apply(finishers, result.finishers);
+        result.finishers = finishers;
+
+        return result;
+      },
+
+      // AddElementPlacement
+      addElementPlacement: function(
+        element /*: ElementDescriptor */,
+        placements /*: Placements */,
+        silent /*: boolean */,
+      ) {
+        var keys = placements[element.placement];
+        if (!silent && keys.indexOf(element.key) !== -1) {
+          throw new TypeError("Duplicated element (" + element.key + ")");
+        }
+        keys.push(element.key);
+      },
+
+      // DecorateElement
+      decorateElement: function(
+        element /*: ElementDescriptor */,
+        placements /*: Placements */,
+      ) /*: ElementFinishersExtras */ {
+        var extras /*: ElementDescriptor[] */ = [];
+        var finishers /*: ClassFinisher[] */ = [];
+
+        for (
+          var decorators = element.decorators, i = decorators.length - 1;
+          i >= 0;
+          i--
+        ) {
+          // (inlined) RemoveElementPlacement
+          var keys = placements[element.placement];
+          keys.splice(keys.indexOf(element.key), 1);
+
+          var elementObject /*: ElementObjectInput */ = this.fromElementDescriptor(
+            element,
+          );
+          var elementFinisherExtras /*: ElementFinisherExtras */ = this.toElementFinisherExtras(
+            (0, decorators[i])(elementObject) /*: ElementObjectOutput */ ||
+              elementObject,
+          );
+
+          element = elementFinisherExtras.element;
+          this.addElementPlacement(element, placements);
+
+          if (elementFinisherExtras.finisher) {
+            finishers.push(elementFinisherExtras.finisher);
+          }
+
+          var newExtras /*: ElementDescriptor[] | void */ =
+            elementFinisherExtras.extras;
+          if (newExtras) {
+            for (var j = 0; j < newExtras.length; j++) {
+              this.addElementPlacement(newExtras[j], placements);
+            }
+            extras.push.apply(extras, newExtras);
+          }
+        }
+
+        return { element: element, finishers: finishers, extras: extras };
+      },
+
+      // DecorateConstructor
+      decorateConstructor: function(
+        elements /*: ElementDescriptor[] */,
+        decorators /*: ClassDecorator[] */,
+      ) /*: ElementsFinishers */ {
+        var finishers /*: ClassFinisher[] */ = [];
+
+        for (var i = decorators.length - 1; i >= 0; i--) {
+          var obj /*: ClassObject */ = this.fromClassDescriptor(elements);
+          var elementsAndFinisher /*: ElementsFinisher */ = this.toClassDescriptor(
+            (0, decorators[i])(obj) /*: ClassObject */ || obj,
+          );
+
+          if (elementsAndFinisher.finisher !== undefined) {
+            finishers.push(elementsAndFinisher.finisher);
+          }
+
+          if (elementsAndFinisher.elements !== undefined) {
+            elements = elementsAndFinisher.elements;
+
+            for (var j = 0; j < elements.length - 1; j++) {
+              for (var k = j + 1; k < elements.length; k++) {
+                if (
+                  elements[j].key === elements[k].key &&
+                  elements[j].placement === elements[k].placement
+                ) {
+                  throw new TypeError(
+                    "Duplicated element (" + elements[j].key + ")",
+                  );
+                }
+              }
+            }
+          }
+        }
+
+        return { elements: elements, finishers: finishers };
+      },
+
+      // FromElementDescriptor
+      fromElementDescriptor: function(
+        element /*: ElementDescriptor */,
+      ) /*: ElementObject */ {
+        var obj /*: ElementObject */ = {
+          kind: element.kind,
+          key: element.key,
+          placement: element.placement,
+          descriptor: element.descriptor,
+        };
+
+        var desc = {
+          value: "Descriptor",
+          configurable: true,
+        };
+        Object.defineProperty(obj, Symbol.toStringTag, desc);
+
+        if (element.kind === "field") obj.initializer = element.initializer;
+
+        return obj;
+      },
+
+      // ToElementDescriptors
+      toElementDescriptors: function(
+        elementObjects /*: ElementObject[] */,
+      ) /*: ElementDescriptor[] */ {
+        if (elementObjects === undefined) return;
+        return toArray(elementObjects).map(function(elementObject) {
+          var element = this.toElementDescriptor(elementObject);
+          this.disallowProperty(elementObject, "finisher", "An element descriptor");
+          this.disallowProperty(elementObject, "extras", "An element descriptor");
+          return element;
+        }, this);
+      },
+
+      // ToElementDescriptor
+      toElementDescriptor: function(
+        elementObject /*: ElementObject */,
+      ) /*: ElementDescriptor */ {
+        var kind = String(elementObject.kind);
+        if (kind !== "method" && kind !== "field") {
+          throw new TypeError(
+            'An element descriptor\\'s .kind property must be either "method" or' +
+              ' "field", but a decorator created an element descriptor with' +
+              ' .kind "' +
+              kind +
+              '"',
+          );
+        }
+
+        var key = toPropertyKey(elementObject.key);
+
+        var placement = String(elementObject.placement);
+        if (
+          placement !== "static" &&
+          placement !== "prototype" &&
+          placement !== "own"
+        ) {
+          throw new TypeError(
+            'An element descriptor\\'s .placement property must be one of "static",' +
+              ' "prototype" or "own", but a decorator created an element descriptor' +
+              ' with .placement "' +
+              placement +
+              '"',
+          );
+        }
+
+        var descriptor /*: PropertyDescriptor */ = elementObject.descriptor;
+
+        this.disallowProperty(elementObject, "elements", "An element descriptor");
+
+        var element /*: ElementDescriptor */ = {
+          kind: kind,
+          key: key,
+          placement: placement,
+          descriptor: Object.assign({}, descriptor),
+        };
+
+        if (kind !== "field") {
+          this.disallowProperty(elementObject, "initializer", "A method descriptor");
+        } else {
+          this.disallowProperty(
+            descriptor,
+            "get",
+            "The property descriptor of a field descriptor",
+          );
+          this.disallowProperty(
+            descriptor,
+            "set",
+            "The property descriptor of a field descriptor",
+          );
+          this.disallowProperty(
+            descriptor,
+            "value",
+            "The property descriptor of a field descriptor",
+          );
+
+          element.initializer = elementObject.initializer;
+        }
+
+        return element;
+      },
+
+      toElementFinisherExtras: function(
+        elementObject /*: ElementObject */,
+      ) /*: ElementFinisherExtras */ {
+        var element /*: ElementDescriptor */ = this.toElementDescriptor(
+          elementObject,
+        );
+        var finisher /*: ClassFinisher */ = _optionalCallableProperty(
+          elementObject,
+          "finisher",
+        );
+        var extras /*: ElementDescriptors[] */ = this.toElementDescriptors(
+          elementObject.extras,
+        );
+
+        return { element: element, finisher: finisher, extras: extras };
+      },
+
+      // FromClassDescriptor
+      fromClassDescriptor: function(
+        elements /*: ElementDescriptor[] */,
+      ) /*: ClassObject */ {
+        var obj = {
+          kind: "class",
+          elements: elements.map(this.fromElementDescriptor, this),
+        };
+
+        var desc = { value: "Descriptor", configurable: true };
+        Object.defineProperty(obj, Symbol.toStringTag, desc);
+
+        return obj;
+      },
+
+      // ToClassDescriptor
+      toClassDescriptor: function(
+        obj /*: ClassObject */,
+      ) /*: ElementsFinisher */ {
+        var kind = String(obj.kind);
+        if (kind !== "class") {
+          throw new TypeError(
+            'A class descriptor\\'s .kind property must be "class", but a decorator' +
+              ' created a class descriptor with .kind "' +
+              kind +
+              '"',
+          );
+        }
+
+        this.disallowProperty(obj, "key", "A class descriptor");
+        this.disallowProperty(obj, "placement", "A class descriptor");
+        this.disallowProperty(obj, "descriptor", "A class descriptor");
+        this.disallowProperty(obj, "initializer", "A class descriptor");
+        this.disallowProperty(obj, "extras", "A class descriptor");
+
+        var finisher = _optionalCallableProperty(obj, "finisher");
+        var elements = this.toElementDescriptors(obj.elements);
+
+        return { elements: elements, finisher: finisher };
+      },
+
+      // RunClassFinishers
+      runClassFinishers: function(
+        constructor /*: Class<*> */,
+        finishers /*: ClassFinisher[] */,
+      ) /*: Class<*> */ {
+        for (var i = 0; i < finishers.length; i++) {
+          var newConstructor /*: ?Class<*> */ = (0, finishers[i])(constructor);
+          if (newConstructor !== undefined) {
+            // NOTE: This should check if IsConstructor(newConstructor) is false.
+            if (typeof newConstructor !== "function") {
+              throw new TypeError("Finishers must return a constructor.");
+            }
+            constructor = newConstructor;
+          }
+        }
+        return constructor;
+      },
+
+      disallowProperty: function(obj, name, objectType) {
+        if (obj[name] !== undefined) {
+          throw new TypeError(objectType + " can't have a ." + name + " property.");
+        }
+      }
+    };
+
+    return api;
+  }
+
+  // ClassElementEvaluation
+  function _createElementDescriptor(
+    def /*: ElementDefinition */,
+  ) /*: ElementDescriptor */ {
+    var key = toPropertyKey(def.key);
+
+    var descriptor /*: PropertyDescriptor */;
+    if (def.kind === "method") {
+      descriptor = {
+        value: def.value,
+        writable: true,
+        configurable: true,
+        enumerable: false,
+      };
+    } else if (def.kind === "get") {
+      descriptor = { get: def.value, configurable: true, enumerable: false };
+    } else if (def.kind === "set") {
+      descriptor = { set: def.value, configurable: true, enumerable: false };
+    } else if (def.kind === "field") {
+      descriptor = { configurable: true, writable: true, enumerable: true };
+    }
+
+    var element /*: ElementDescriptor */ = {
+      kind: def.kind === "field" ? "field" : "method",
+      key: key,
+      placement: def.static
+        ? "static"
+        : def.kind === "field"
+        ? "own"
+        : "prototype",
+      descriptor: descriptor,
+    };
+    if (def.decorators) element.decorators = def.decorators;
+    if (def.kind === "field") element.initializer = def.value;
+
+    return element;
+  }
+
+  // CoalesceGetterSetter
+  function _coalesceGetterSetter(
+    element /*: ElementDescriptor */,
+    other /*: ElementDescriptor */,
+  ) {
+    if (element.descriptor.get !== undefined) {
+      other.descriptor.get = element.descriptor.get;
+    } else {
+      other.descriptor.set = element.descriptor.set;
+    }
+  }
+
+  // CoalesceClassElements
+  function _coalesceClassElements(
+    elements /*: ElementDescriptor[] */,
+  ) /*: ElementDescriptor[] */ {
+    var newElements /*: ElementDescriptor[] */ = [];
+
+    var isSameElement = function(
+      other /*: ElementDescriptor */,
+    ) /*: boolean */ {
+      return (
+        other.kind === "method" &&
+        other.key === element.key &&
+        other.placement === element.placement
+      );
+    };
+
+    for (var i = 0; i < elements.length; i++) {
+      var element /*: ElementDescriptor */ = elements[i];
+      var other /*: ElementDescriptor */;
+
+      if (
+        element.kind === "method" &&
+        (other = newElements.find(isSameElement))
+      ) {
+        if (
+          _isDataDescriptor(element.descriptor) ||
+          _isDataDescriptor(other.descriptor)
+        ) {
+          if (_hasDecorators(element) || _hasDecorators(other)) {
+            throw new ReferenceError(
+              "Duplicated methods (" + element.key + ") can't be decorated.",
+            );
+          }
+          other.descriptor = element.descriptor;
+        } else {
+          if (_hasDecorators(element)) {
+            if (_hasDecorators(other)) {
+              throw new ReferenceError(
+                "Decorators can't be placed on different accessors with for " +
+                  "the same property (" +
+                  element.key +
+                  ").",
+              );
+            }
+            other.decorators = element.decorators;
+          }
+          _coalesceGetterSetter(element, other);
+        }
+      } else {
+        newElements.push(element);
+      }
+    }
+
+    return newElements;
+  }
+
+  function _hasDecorators(element /*: ElementDescriptor */) /*: boolean */ {
+    return element.decorators && element.decorators.length;
+  }
+
+  function _isDataDescriptor(desc /*: PropertyDescriptor */) /*: boolean */ {
+    return (
+      desc !== undefined &&
+      !(desc.value === undefined && desc.writable === undefined)
+    );
+  }
+
+  function _optionalCallableProperty /*::<T>*/(
+    obj /*: T */,
+    name /*: $Keys<T> */,
+  ) /*: ?Function */ {
+    var value = obj[name];
+    if (value !== undefined && typeof value !== "function") {
+      throw new TypeError("Expected '" + name + "' to be a function");
+    }
+    return value;
+  }
+
+`;
+helpers.classPrivateMethodGet = helper("7.1.6")`
+  export default function _classPrivateMethodGet(receiver, privateSet, fn) {
+    if (!privateSet.has(receiver)) {
+      throw new TypeError("attempted to get private field on non-instance");
+    }
+    return fn;
+  }
+`;
+helpers.checkPrivateRedeclaration = helper("7.14.1")`
+  export default function _checkPrivateRedeclaration(obj, privateCollection) {
+    if (privateCollection.has(obj)) {
+      throw new TypeError("Cannot initialize the same private elements twice on an object");
+    }
+  }
+`;
+helpers.classPrivateFieldInitSpec = helper("7.14.1")`
+  import checkPrivateRedeclaration from "checkPrivateRedeclaration";
+
+  export default function _classPrivateFieldInitSpec(obj, privateMap, value) {
+    checkPrivateRedeclaration(obj, privateMap);
+    privateMap.set(obj, value);
+  }
+`;
+helpers.classPrivateMethodInitSpec = helper("7.14.1")`
+  import checkPrivateRedeclaration from "checkPrivateRedeclaration";
+
+  export default function _classPrivateMethodInitSpec(obj, privateSet) {
+    checkPrivateRedeclaration(obj, privateSet);
+    privateSet.add(obj);
+  }
+`;
+{
+  helpers.classPrivateMethodSet = helper("7.1.6")`
+    export default function _classPrivateMethodSet() {
+      throw new TypeError("attempted to reassign private method");
+    }
+  `;
+}
+helpers.identity = helper("7.17.0")`
+  export default function _identity(x) {
+    return x;
+  }
+`;
\ No newline at end of file
diff --git a/node_modules/@babel/helpers/lib/helpers/applyDecs.js b/node_modules/@babel/helpers/lib/helpers/applyDecs.js
new file mode 100644
index 0000000..27dc4e2
--- /dev/null
+++ b/node_modules/@babel/helpers/lib/helpers/applyDecs.js
@@ -0,0 +1,483 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = applyDecs;
+
+function createMetadataMethodsForProperty(metadataMap, kind, property) {
+  return {
+    getMetadata: function (key) {
+      if (typeof key !== "symbol") {
+        throw new TypeError("Metadata keys must be symbols, received: " + key);
+      }
+
+      var metadataForKey = metadataMap[key];
+      if (metadataForKey === void 0) return void 0;
+
+      if (kind === 1) {
+        var pub = metadataForKey.public;
+
+        if (pub !== void 0) {
+          return pub[property];
+        }
+      } else if (kind === 2) {
+        var priv = metadataForKey.private;
+
+        if (priv !== void 0) {
+          return priv.get(property);
+        }
+      } else if (Object.hasOwnProperty.call(metadataForKey, "constructor")) {
+        return metadataForKey.constructor;
+      }
+    },
+    setMetadata: function (key, value) {
+      if (typeof key !== "symbol") {
+        throw new TypeError("Metadata keys must be symbols, received: " + key);
+      }
+
+      var metadataForKey = metadataMap[key];
+
+      if (metadataForKey === void 0) {
+        metadataForKey = metadataMap[key] = {};
+      }
+
+      if (kind === 1) {
+        var pub = metadataForKey.public;
+
+        if (pub === void 0) {
+          pub = metadataForKey.public = {};
+        }
+
+        pub[property] = value;
+      } else if (kind === 2) {
+        var priv = metadataForKey.priv;
+
+        if (priv === void 0) {
+          priv = metadataForKey.private = new Map();
+        }
+
+        priv.set(property, value);
+      } else {
+        metadataForKey.constructor = value;
+      }
+    }
+  };
+}
+
+function convertMetadataMapToFinal(obj, metadataMap) {
+  var parentMetadataMap = obj[Symbol.metadata || Symbol.for("Symbol.metadata")];
+  var metadataKeys = Object.getOwnPropertySymbols(metadataMap);
+  if (metadataKeys.length === 0) return;
+
+  for (var i = 0; i < metadataKeys.length; i++) {
+    var key = metadataKeys[i];
+    var metaForKey = metadataMap[key];
+    var parentMetaForKey = parentMetadataMap ? parentMetadataMap[key] : null;
+    var pub = metaForKey.public;
+    var parentPub = parentMetaForKey ? parentMetaForKey.public : null;
+
+    if (pub && parentPub) {
+      Object.setPrototypeOf(pub, parentPub);
+    }
+
+    var priv = metaForKey.private;
+
+    if (priv) {
+      var privArr = Array.from(priv.values());
+      var parentPriv = parentMetaForKey ? parentMetaForKey.private : null;
+
+      if (parentPriv) {
+        privArr = privArr.concat(parentPriv);
+      }
+
+      metaForKey.private = privArr;
+    }
+
+    if (parentMetaForKey) {
+      Object.setPrototypeOf(metaForKey, parentMetaForKey);
+    }
+  }
+
+  if (parentMetadataMap) {
+    Object.setPrototypeOf(metadataMap, parentMetadataMap);
+  }
+
+  obj[Symbol.metadata || Symbol.for("Symbol.metadata")] = metadataMap;
+}
+
+function createAddInitializerMethod(initializers) {
+  return function addInitializer(initializer) {
+    assertValidInitializer(initializer);
+    initializers.push(initializer);
+  };
+}
+
+function memberDecCtx(base, name, desc, metadataMap, initializers, kind, isStatic, isPrivate) {
+  var kindStr;
+
+  switch (kind) {
+    case 1:
+      kindStr = "accessor";
+      break;
+
+    case 2:
+      kindStr = "method";
+      break;
+
+    case 3:
+      kindStr = "getter";
+      break;
+
+    case 4:
+      kindStr = "setter";
+      break;
+
+    default:
+      kindStr = "field";
+  }
+
+  var ctx = {
+    kind: kindStr,
+    name: isPrivate ? "#" + name : name,
+    isStatic: isStatic,
+    isPrivate: isPrivate
+  };
+
+  if (kind !== 0) {
+    ctx.addInitializer = createAddInitializerMethod(initializers);
+  }
+
+  var metadataKind, metadataName;
+
+  if (isPrivate) {
+    metadataKind = 2;
+    metadataName = Symbol(name);
+    var access = {};
+
+    if (kind === 0) {
+      access.get = desc.get;
+      access.set = desc.set;
+    } else if (kind === 2) {
+      access.get = function () {
+        return desc.value;
+      };
+    } else {
+      if (kind === 1 || kind === 3) {
+        access.get = function () {
+          return desc.get.call(this);
+        };
+      }
+
+      if (kind === 1 || kind === 4) {
+        access.set = function (v) {
+          desc.set.call(this, v);
+        };
+      }
+    }
+
+    ctx.access = access;
+  } else {
+    metadataKind = 1;
+    metadataName = name;
+  }
+
+  return Object.assign(ctx, createMetadataMethodsForProperty(metadataMap, metadataKind, metadataName));
+}
+
+function assertValidInitializer(initializer) {
+  if (typeof initializer !== "function") {
+    throw new Error("initializers must be functions");
+  }
+}
+
+function assertValidReturnValue(kind, value) {
+  var type = typeof value;
+
+  if (kind === 1) {
+    if (type !== "object" || value === null) {
+      throw new Error("accessor decorators must return an object with get, set, or initializer properties or void 0");
+    }
+  } else if (type !== "function") {
+    if (kind === 0) {
+      throw new Error("field decorators must return a initializer function or void 0");
+    } else {
+      throw new Error("method decorators must return a function or void 0");
+    }
+  }
+}
+
+function applyMemberDec(ret, base, decInfo, name, kind, isStatic, isPrivate, metadataMap, initializers) {
+  var decs = decInfo[0];
+  var desc, initializer, value;
+
+  if (isPrivate) {
+    if (kind === 0 || kind === 1) {
+      desc = {
+        get: decInfo[3],
+        set: decInfo[4]
+      };
+    } else if (kind === 3) {
+      desc = {
+        get: decInfo[3]
+      };
+    } else if (kind === 4) {
+      desc = {
+        set: decInfo[3]
+      };
+    } else {
+      desc = {
+        value: decInfo[3]
+      };
+    }
+  } else if (kind !== 0) {
+    desc = Object.getOwnPropertyDescriptor(base, name);
+  }
+
+  if (kind === 1) {
+    value = {
+      get: desc.get,
+      set: desc.set
+    };
+  } else if (kind === 2) {
+    value = desc.value;
+  } else if (kind === 3) {
+    value = desc.get;
+  } else if (kind === 4) {
+    value = desc.set;
+  }
+
+  var ctx = memberDecCtx(base, name, desc, metadataMap, initializers, kind, isStatic, isPrivate);
+  var newValue, get, set;
+
+  if (typeof decs === "function") {
+    newValue = decs(value, ctx);
+
+    if (newValue !== void 0) {
+      assertValidReturnValue(kind, newValue);
+
+      if (kind === 0) {
+        initializer = newValue;
+      } else if (kind === 1) {
+        initializer = newValue.initializer;
+        get = newValue.get || value.get;
+        set = newValue.set || value.set;
+        value = {
+          get: get,
+          set: set
+        };
+      } else {
+        value = newValue;
+      }
+    }
+  } else {
+    for (var i = decs.length - 1; i >= 0; i--) {
+      var dec = decs[i];
+      newValue = dec(value, ctx);
+
+      if (newValue !== void 0) {
+        assertValidReturnValue(kind, newValue);
+        var newInit;
+
+        if (kind === 0) {
+          newInit = newValue;
+        } else if (kind === 1) {
+          newInit = newValue.initializer;
+          get = newValue.get || value.get;
+          set = newValue.set || value.set;
+          value = {
+            get: get,
+            set: set
+          };
+        } else {
+          value = newValue;
+        }
+
+        if (newInit !== void 0) {
+          if (initializer === void 0) {
+            initializer = newInit;
+          } else if (typeof initializer === "function") {
+            initializer = [initializer, newInit];
+          } else {
+            initializer.push(newInit);
+          }
+        }
+      }
+    }
+  }
+
+  if (kind === 0 || kind === 1) {
+    if (initializer === void 0) {
+      initializer = function (instance, init) {
+        return init;
+      };
+    } else if (typeof initializer !== "function") {
+      var ownInitializers = initializer;
+
+      initializer = function (instance, init) {
+        var value = init;
+
+        for (var i = 0; i < ownInitializers.length; i++) {
+          value = ownInitializers[i].call(instance, value);
+        }
+
+        return value;
+      };
+    } else {
+      var originalInitializer = initializer;
+
+      initializer = function (instance, init) {
+        return originalInitializer.call(instance, init);
+      };
+    }
+
+    ret.push(initializer);
+  }
+
+  if (kind !== 0) {
+    if (kind === 1) {
+      desc.get = value.get;
+      desc.set = value.set;
+    } else if (kind === 2) {
+      desc.value = value;
+    } else if (kind === 3) {
+      desc.get = value;
+    } else if (kind === 4) {
+      desc.set = value;
+    }
+
+    if (isPrivate) {
+      if (kind === 1) {
+        ret.push(function (instance, args) {
+          return value.get.call(instance, args);
+        });
+        ret.push(function (instance, args) {
+          return value.set.call(instance, args);
+        });
+      } else if (kind === 2) {
+        ret.push(value);
+      } else {
+        ret.push(function (instance, args) {
+          return value.call(instance, args);
+        });
+      }
+    } else {
+      Object.defineProperty(base, name, desc);
+    }
+  }
+}
+
+function applyMemberDecs(ret, Class, protoMetadataMap, staticMetadataMap, decInfos) {
+  var protoInitializers = [];
+  var staticInitializers = [];
+  var existingProtoNonFields = new Map();
+  var existingStaticNonFields = new Map();
+
+  for (var i = 0; i < decInfos.length; i++) {
+    var decInfo = decInfos[i];
+    if (!Array.isArray(decInfo)) continue;
+    var kind = decInfo[1];
+    var name = decInfo[2];
+    var isPrivate = decInfo.length > 3;
+    var isStatic = kind >= 5;
+    var base;
+    var metadataMap;
+    var initializers;
+
+    if (isStatic) {
+      base = Class;
+      metadataMap = staticMetadataMap;
+      kind = kind - 5;
+      initializers = staticInitializers;
+    } else {
+      base = Class.prototype;
+      metadataMap = protoMetadataMap;
+      initializers = protoInitializers;
+    }
+
+    if (kind !== 0 && !isPrivate) {
+      var existingNonFields = isStatic ? existingStaticNonFields : existingProtoNonFields;
+      var existingKind = existingNonFields.get(name) || 0;
+
+      if (existingKind === true || existingKind === 3 && kind !== 4 || existingKind === 4 && kind !== 3) {
+        throw new Error("Attempted to decorate a public method/accessor that has the same name as a previously decorated public method/accessor. This is not currently supported by the decorators plugin. Property name was: " + name);
+      } else if (!existingKind && kind > 2) {
+        existingNonFields.set(name, kind);
+      } else {
+        existingNonFields.set(name, true);
+      }
+    }
+
+    applyMemberDec(ret, base, decInfo, name, kind, isStatic, isPrivate, metadataMap, initializers);
+  }
+
+  if (protoInitializers.length > 0) {
+    pushInitializers(ret, protoInitializers);
+  }
+
+  if (staticInitializers.length > 0) {
+    pushInitializers(ret, staticInitializers);
+  }
+}
+
+function pushInitializers(ret, initializers) {
+  if (initializers.length > 0) {
+    initializers = initializers.slice();
+    ret.push(function (instance) {
+      for (var i = 0; i < initializers.length; i++) {
+        initializers[i].call(instance, instance);
+      }
+
+      return instance;
+    });
+  } else {
+    ret.push(function (instance) {
+      return instance;
+    });
+  }
+}
+
+function applyClassDecs(ret, targetClass, metadataMap, classDecs) {
+  var initializers = [];
+  var newClass = targetClass;
+  var name = targetClass.name;
+  var ctx = Object.assign({
+    kind: "class",
+    name: name,
+    addInitializer: createAddInitializerMethod(initializers)
+  }, createMetadataMethodsForProperty(metadataMap, 0, name));
+
+  for (var i = classDecs.length - 1; i >= 0; i--) {
+    newClass = classDecs[i](newClass, ctx) || newClass;
+  }
+
+  ret.push(newClass);
+
+  if (initializers.length > 0) {
+    ret.push(function () {
+      for (var i = 0; i < initializers.length; i++) {
+        initializers[i].call(newClass, newClass);
+      }
+    });
+  } else {
+    ret.push(function () {});
+  }
+}
+
+function applyDecs(targetClass, memberDecs, classDecs) {
+  var ret = [];
+  var staticMetadataMap = {};
+
+  if (memberDecs) {
+    var protoMetadataMap = {};
+    applyMemberDecs(ret, targetClass, protoMetadataMap, staticMetadataMap, memberDecs);
+    convertMetadataMapToFinal(targetClass.prototype, protoMetadataMap);
+  }
+
+  if (classDecs) {
+    applyClassDecs(ret, targetClass, staticMetadataMap, classDecs);
+  }
+
+  convertMetadataMapToFinal(targetClass, staticMetadataMap);
+  return ret;
+}
\ No newline at end of file
diff --git a/node_modules/@babel/helpers/lib/helpers/asyncIterator.js b/node_modules/@babel/helpers/lib/helpers/asyncIterator.js
new file mode 100644
index 0000000..0a6d9de
--- /dev/null
+++ b/node_modules/@babel/helpers/lib/helpers/asyncIterator.js
@@ -0,0 +1,81 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = _asyncIterator;
+
+function _asyncIterator(iterable) {
+  var method,
+      async,
+      sync,
+      retry = 2;
+
+  if (typeof Symbol !== "undefined") {
+    async = Symbol.asyncIterator;
+    sync = Symbol.iterator;
+  }
+
+  while (retry--) {
+    if (async && (method = iterable[async]) != null) {
+      return method.call(iterable);
+    }
+
+    if (sync && (method = iterable[sync]) != null) {
+      return new AsyncFromSyncIterator(method.call(iterable));
+    }
+
+    async = "@@asyncIterator";
+    sync = "@@iterator";
+  }
+
+  throw new TypeError("Object is not async iterable");
+}
+
+function AsyncFromSyncIterator(s) {
+  AsyncFromSyncIterator = function (s) {
+    this.s = s;
+    this.n = s.next;
+  };
+
+  AsyncFromSyncIterator.prototype = {
+    s: null,
+    n: null,
+    next: function () {
+      return AsyncFromSyncIteratorContinuation(this.n.apply(this.s, arguments));
+    },
+    return: function (value) {
+      var ret = this.s.return;
+
+      if (ret === undefined) {
+        return Promise.resolve({
+          value: value,
+          done: true
+        });
+      }
+
+      return AsyncFromSyncIteratorContinuation(ret.apply(this.s, arguments));
+    },
+    throw: function (value) {
+      var thr = this.s.return;
+      if (thr === undefined) return Promise.reject(value);
+      return AsyncFromSyncIteratorContinuation(thr.apply(this.s, arguments));
+    }
+  };
+
+  function AsyncFromSyncIteratorContinuation(r) {
+    if (Object(r) !== r) {
+      return Promise.reject(new TypeError(r + " is not an object."));
+    }
+
+    var done = r.done;
+    return Promise.resolve(r.value).then(function (value) {
+      return {
+        value: value,
+        done: done
+      };
+    });
+  }
+
+  return new AsyncFromSyncIterator(s);
+}
\ No newline at end of file
diff --git a/node_modules/@babel/helpers/lib/helpers/jsx.js b/node_modules/@babel/helpers/lib/helpers/jsx.js
new file mode 100644
index 0000000..68de168
--- /dev/null
+++ b/node_modules/@babel/helpers/lib/helpers/jsx.js
@@ -0,0 +1,53 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = _createRawReactElement;
+var REACT_ELEMENT_TYPE;
+
+function _createRawReactElement(type, props, key, children) {
+  if (!REACT_ELEMENT_TYPE) {
+    REACT_ELEMENT_TYPE = typeof Symbol === "function" && Symbol["for"] && Symbol["for"]("react.element") || 0xeac7;
+  }
+
+  var defaultProps = type && type.defaultProps;
+  var childrenLength = arguments.length - 3;
+
+  if (!props && childrenLength !== 0) {
+    props = {
+      children: void 0
+    };
+  }
+
+  if (childrenLength === 1) {
+    props.children = children;
+  } else if (childrenLength > 1) {
+    var childArray = new Array(childrenLength);
+
+    for (var i = 0; i < childrenLength; i++) {
+      childArray[i] = arguments[i + 3];
+    }
+
+    props.children = childArray;
+  }
+
+  if (props && defaultProps) {
+    for (var propName in defaultProps) {
+      if (props[propName] === void 0) {
+        props[propName] = defaultProps[propName];
+      }
+    }
+  } else if (!props) {
+    props = defaultProps || {};
+  }
+
+  return {
+    $$typeof: REACT_ELEMENT_TYPE,
+    type: type,
+    key: key === undefined ? null : "" + key,
+    ref: null,
+    props: props,
+    _owner: null
+  };
+}
\ No newline at end of file
diff --git a/node_modules/@babel/helpers/lib/helpers/objectSpread2.js b/node_modules/@babel/helpers/lib/helpers/objectSpread2.js
new file mode 100644
index 0000000..03db006
--- /dev/null
+++ b/node_modules/@babel/helpers/lib/helpers/objectSpread2.js
@@ -0,0 +1,46 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = _objectSpread2;
+
+var _defineProperty = require("defineProperty");
+
+function ownKeys(object, enumerableOnly) {
+  var keys = Object.keys(object);
+
+  if (Object.getOwnPropertySymbols) {
+    var symbols = Object.getOwnPropertySymbols(object);
+
+    if (enumerableOnly) {
+      symbols = symbols.filter(function (sym) {
+        return Object.getOwnPropertyDescriptor(object, sym).enumerable;
+      });
+    }
+
+    keys.push.apply(keys, symbols);
+  }
+
+  return keys;
+}
+
+function _objectSpread2(target) {
+  for (var i = 1; i < arguments.length; i++) {
+    var source = arguments[i] != null ? arguments[i] : {};
+
+    if (i % 2) {
+      ownKeys(Object(source), true).forEach(function (key) {
+        _defineProperty(target, key, source[key]);
+      });
+    } else if (Object.getOwnPropertyDescriptors) {
+      Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
+    } else {
+      ownKeys(Object(source)).forEach(function (key) {
+        Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
+      });
+    }
+  }
+
+  return target;
+}
\ No newline at end of file
diff --git a/node_modules/@babel/helpers/lib/helpers/typeof.js b/node_modules/@babel/helpers/lib/helpers/typeof.js
new file mode 100644
index 0000000..b1a728b
--- /dev/null
+++ b/node_modules/@babel/helpers/lib/helpers/typeof.js
@@ -0,0 +1,22 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = _typeof;
+
+function _typeof(obj) {
+  "@babel/helpers - typeof";
+
+  if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
+    exports.default = _typeof = function (obj) {
+      return typeof obj;
+    };
+  } else {
+    exports.default = _typeof = function (obj) {
+      return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+    };
+  }
+
+  return _typeof(obj);
+}
\ No newline at end of file
diff --git a/node_modules/@babel/helpers/lib/helpers/wrapRegExp.js b/node_modules/@babel/helpers/lib/helpers/wrapRegExp.js
new file mode 100644
index 0000000..6375b71
--- /dev/null
+++ b/node_modules/@babel/helpers/lib/helpers/wrapRegExp.js
@@ -0,0 +1,73 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = _wrapRegExp;
+
+var _setPrototypeOf = require("setPrototypeOf");
+
+var _inherits = require("inherits");
+
+function _wrapRegExp() {
+  exports.default = _wrapRegExp = function (re, groups) {
+    return new BabelRegExp(re, undefined, groups);
+  };
+
+  var _super = RegExp.prototype;
+
+  var _groups = new WeakMap();
+
+  function BabelRegExp(re, flags, groups) {
+    var _this = new RegExp(re, flags);
+
+    _groups.set(_this, groups || _groups.get(re));
+
+    return _setPrototypeOf(_this, BabelRegExp.prototype);
+  }
+
+  _inherits(BabelRegExp, RegExp);
+
+  BabelRegExp.prototype.exec = function (str) {
+    var result = _super.exec.call(this, str);
+
+    if (result) result.groups = buildGroups(result, this);
+    return result;
+  };
+
+  BabelRegExp.prototype[Symbol.replace] = function (str, substitution) {
+    if (typeof substitution === "string") {
+      var groups = _groups.get(this);
+
+      return _super[Symbol.replace].call(this, str, substitution.replace(/\$<([^>]+)>/g, function (_, name) {
+        return "$" + groups[name];
+      }));
+    } else if (typeof substitution === "function") {
+      var _this = this;
+
+      return _super[Symbol.replace].call(this, str, function () {
+        var args = arguments;
+
+        if (typeof args[args.length - 1] !== "object") {
+          args = [].slice.call(args);
+          args.push(buildGroups(args, _this));
+        }
+
+        return substitution.apply(this, args);
+      });
+    } else {
+      return _super[Symbol.replace].call(this, str, substitution);
+    }
+  };
+
+  function buildGroups(result, re) {
+    var g = _groups.get(re);
+
+    return Object.keys(g).reduce(function (groups, name) {
+      groups[name] = result[g[name]];
+      return groups;
+    }, Object.create(null));
+  }
+
+  return _wrapRegExp.apply(this, arguments);
+}
\ No newline at end of file
diff --git a/node_modules/@babel/helpers/lib/index.js b/node_modules/@babel/helpers/lib/index.js
new file mode 100644
index 0000000..5e793d5
--- /dev/null
+++ b/node_modules/@babel/helpers/lib/index.js
@@ -0,0 +1,300 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+exports.ensure = ensure;
+exports.get = get;
+exports.getDependencies = getDependencies;
+exports.list = void 0;
+exports.minVersion = minVersion;
+
+var _traverse = require("@babel/traverse");
+
+var _t = require("@babel/types");
+
+var _helpers = require("./helpers");
+
+const {
+  assignmentExpression,
+  cloneNode,
+  expressionStatement,
+  file: t_file,
+  identifier,
+  variableDeclaration,
+  variableDeclarator
+} = _t;
+
+function makePath(path) {
+  const parts = [];
+
+  for (; path.parentPath; path = path.parentPath) {
+    parts.push(path.key);
+    if (path.inList) parts.push(path.listKey);
+  }
+
+  return parts.reverse().join(".");
+}
+
+let fileClass = undefined;
+
+function getHelperMetadata(file) {
+  const globals = new Set();
+  const localBindingNames = new Set();
+  const dependencies = new Map();
+  let exportName;
+  let exportPath;
+  const exportBindingAssignments = [];
+  const importPaths = [];
+  const importBindingsReferences = [];
+  const dependencyVisitor = {
+    ImportDeclaration(child) {
+      const name = child.node.source.value;
+
+      if (!_helpers.default[name]) {
+        throw child.buildCodeFrameError(`Unknown helper ${name}`);
+      }
+
+      if (child.get("specifiers").length !== 1 || !child.get("specifiers.0").isImportDefaultSpecifier()) {
+        throw child.buildCodeFrameError("Helpers can only import a default value");
+      }
+
+      const bindingIdentifier = child.node.specifiers[0].local;
+      dependencies.set(bindingIdentifier, name);
+      importPaths.push(makePath(child));
+    },
+
+    ExportDefaultDeclaration(child) {
+      const decl = child.get("declaration");
+
+      if (decl.isFunctionDeclaration()) {
+        if (!decl.node.id) {
+          throw decl.buildCodeFrameError("Helpers should give names to their exported func declaration");
+        }
+
+        exportName = decl.node.id.name;
+      }
+
+      exportPath = makePath(child);
+    },
+
+    ExportAllDeclaration(child) {
+      throw child.buildCodeFrameError("Helpers can only export default");
+    },
+
+    ExportNamedDeclaration(child) {
+      throw child.buildCodeFrameError("Helpers can only export default");
+    },
+
+    Statement(child) {
+      if (child.isModuleDeclaration()) return;
+      child.skip();
+    }
+
+  };
+  const referenceVisitor = {
+    Program(path) {
+      const bindings = path.scope.getAllBindings();
+      Object.keys(bindings).forEach(name => {
+        if (name === exportName) return;
+        if (dependencies.has(bindings[name].identifier)) return;
+        localBindingNames.add(name);
+      });
+    },
+
+    ReferencedIdentifier(child) {
+      const name = child.node.name;
+      const binding = child.scope.getBinding(name);
+
+      if (!binding) {
+        globals.add(name);
+      } else if (dependencies.has(binding.identifier)) {
+        importBindingsReferences.push(makePath(child));
+      }
+    },
+
+    AssignmentExpression(child) {
+      const left = child.get("left");
+      if (!(exportName in left.getBindingIdentifiers())) return;
+
+      if (!left.isIdentifier()) {
+        throw left.buildCodeFrameError("Only simple assignments to exports are allowed in helpers");
+      }
+
+      const binding = child.scope.getBinding(exportName);
+
+      if (binding != null && binding.scope.path.isProgram()) {
+        exportBindingAssignments.push(makePath(child));
+      }
+    }
+
+  };
+  (0, _traverse.default)(file.ast, dependencyVisitor, file.scope);
+  (0, _traverse.default)(file.ast, referenceVisitor, file.scope);
+  if (!exportPath) throw new Error("Helpers must default-export something.");
+  exportBindingAssignments.reverse();
+  return {
+    globals: Array.from(globals),
+    localBindingNames: Array.from(localBindingNames),
+    dependencies,
+    exportBindingAssignments,
+    exportPath,
+    exportName,
+    importBindingsReferences,
+    importPaths
+  };
+}
+
+function permuteHelperAST(file, metadata, id, localBindings, getDependency) {
+  if (localBindings && !id) {
+    throw new Error("Unexpected local bindings for module-based helpers.");
+  }
+
+  if (!id) return;
+  const {
+    localBindingNames,
+    dependencies,
+    exportBindingAssignments,
+    exportPath,
+    exportName,
+    importBindingsReferences,
+    importPaths
+  } = metadata;
+  const dependenciesRefs = {};
+  dependencies.forEach((name, id) => {
+    dependenciesRefs[id.name] = typeof getDependency === "function" && getDependency(name) || id;
+  });
+  const toRename = {};
+  const bindings = new Set(localBindings || []);
+  localBindingNames.forEach(name => {
+    let newName = name;
+
+    while (bindings.has(newName)) newName = "_" + newName;
+
+    if (newName !== name) toRename[name] = newName;
+  });
+
+  if (id.type === "Identifier" && exportName !== id.name) {
+    toRename[exportName] = id.name;
+  }
+
+  const visitor = {
+    Program(path) {
+      const exp = path.get(exportPath);
+      const imps = importPaths.map(p => path.get(p));
+      const impsBindingRefs = importBindingsReferences.map(p => path.get(p));
+      const decl = exp.get("declaration");
+
+      if (id.type === "Identifier") {
+        if (decl.isFunctionDeclaration()) {
+          exp.replaceWith(decl);
+        } else {
+          exp.replaceWith(variableDeclaration("var", [variableDeclarator(id, decl.node)]));
+        }
+      } else if (id.type === "MemberExpression") {
+        if (decl.isFunctionDeclaration()) {
+          exportBindingAssignments.forEach(assignPath => {
+            const assign = path.get(assignPath);
+            assign.replaceWith(assignmentExpression("=", id, assign.node));
+          });
+          exp.replaceWith(decl);
+          path.pushContainer("body", expressionStatement(assignmentExpression("=", id, identifier(exportName))));
+        } else {
+          exp.replaceWith(expressionStatement(assignmentExpression("=", id, decl.node)));
+        }
+      } else {
+        throw new Error("Unexpected helper format.");
+      }
+
+      Object.keys(toRename).forEach(name => {
+        path.scope.rename(name, toRename[name]);
+      });
+
+      for (const path of imps) path.remove();
+
+      for (const path of impsBindingRefs) {
+        const node = cloneNode(dependenciesRefs[path.node.name]);
+        path.replaceWith(node);
+      }
+
+      path.stop();
+    }
+
+  };
+  (0, _traverse.default)(file.ast, visitor, file.scope);
+}
+
+const helperData = Object.create(null);
+
+function loadHelper(name) {
+  if (!helperData[name]) {
+    const helper = _helpers.default[name];
+
+    if (!helper) {
+      throw Object.assign(new ReferenceError(`Unknown helper ${name}`), {
+        code: "BABEL_HELPER_UNKNOWN",
+        helper: name
+      });
+    }
+
+    const fn = () => {
+      const file = {
+        ast: t_file(helper.ast())
+      };
+
+      if (fileClass) {
+        return new fileClass({
+          filename: `babel-helper://${name}`
+        }, file);
+      }
+
+      return file;
+    };
+
+    const metadata = getHelperMetadata(fn());
+    helperData[name] = {
+      build(getDependency, id, localBindings) {
+        const file = fn();
+        permuteHelperAST(file, metadata, id, localBindings, getDependency);
+        return {
+          nodes: file.ast.program.body,
+          globals: metadata.globals
+        };
+      },
+
+      minVersion() {
+        return helper.minVersion;
+      },
+
+      dependencies: metadata.dependencies
+    };
+  }
+
+  return helperData[name];
+}
+
+function get(name, getDependency, id, localBindings) {
+  return loadHelper(name).build(getDependency, id, localBindings);
+}
+
+function minVersion(name) {
+  return loadHelper(name).minVersion();
+}
+
+function getDependencies(name) {
+  return Array.from(loadHelper(name).dependencies.values());
+}
+
+function ensure(name, newFileClass) {
+  if (!fileClass) {
+    fileClass = newFileClass;
+  }
+
+  loadHelper(name);
+}
+
+const list = Object.keys(_helpers.default).map(name => name.replace(/^_/, ""));
+exports.list = list;
+var _default = get;
+exports.default = _default;
\ No newline at end of file
diff --git a/node_modules/@babel/helpers/package.json b/node_modules/@babel/helpers/package.json
new file mode 100644
index 0000000..95203cd
--- /dev/null
+++ b/node_modules/@babel/helpers/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "@babel/helpers",
+  "version": "7.17.2",
+  "description": "Collection of helper functions used by Babel transforms.",
+  "author": "The Babel Team (https://babel.dev/team)",
+  "homepage": "https://babel.dev/docs/en/next/babel-helpers",
+  "license": "MIT",
+  "publishConfig": {
+    "access": "public"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/babel/babel.git",
+    "directory": "packages/babel-helpers"
+  },
+  "main": "./lib/index.js",
+  "dependencies": {
+    "@babel/template": "^7.16.7",
+    "@babel/traverse": "^7.17.0",
+    "@babel/types": "^7.17.0"
+  },
+  "devDependencies": {
+    "@babel/helper-plugin-test-runner": "^7.16.7",
+    "terser": "^5.9.0"
+  },
+  "engines": {
+    "node": ">=6.9.0"
+  }
+}
\ No newline at end of file
diff --git a/node_modules/@babel/helpers/scripts/generate-helpers.js b/node_modules/@babel/helpers/scripts/generate-helpers.js
new file mode 100644
index 0000000..1c59746
--- /dev/null
+++ b/node_modules/@babel/helpers/scripts/generate-helpers.js
@@ -0,0 +1,64 @@
+import fs from "fs";
+import { join } from "path";
+import { URL, fileURLToPath } from "url";
+import { minify } from "terser"; // eslint-disable-line
+
+const HELPERS_FOLDER = new URL("../src/helpers", import.meta.url);
+const IGNORED_FILES = new Set(["package.json"]);
+
+export default async function generateHelpers() {
+  let output = `/*
+ * This file is auto-generated! Do not modify it directly.
+ * To re-generate run 'yarn gulp generate-runtime-helpers'
+ */
+
+import template from "@babel/template";
+
+function helper(minVersion, source) {
+  return Object.freeze({
+    minVersion,
+    ast: () => template.program.ast(source),
+  })
+}
+
+export default Object.freeze({
+`;
+
+  for (const file of (await fs.promises.readdir(HELPERS_FOLDER)).sort()) {
+    if (IGNORED_FILES.has(file)) continue;
+    if (file.startsWith(".")) continue; // ignore e.g. vim swap files
+
+    const [helperName] = file.split(".");
+
+    const filePath = join(fileURLToPath(HELPERS_FOLDER), file);
+    if (!file.endsWith(".js")) {
+      console.error("ignoring", filePath);
+      continue;
+    }
+
+    const fileContents = await fs.promises.readFile(filePath, "utf8");
+    const minVersionMatch = fileContents.match(
+      /^\s*\/\*\s*@minVersion\s+(?<minVersion>\S+)\s*\*\/\s*$/m
+    );
+    if (!minVersionMatch) {
+      throw new Error(`@minVersion number missing in ${filePath}`);
+    }
+    const { minVersion } = minVersionMatch.groups;
+
+    const source = await minify(fileContents, {
+      mangle: false,
+      // The _typeof helper has a custom directive that we must keep
+      compress: { directives: false },
+    });
+
+    output += `\
+  ${JSON.stringify(helperName)}: helper(
+    ${JSON.stringify(minVersion)},
+    ${JSON.stringify(source.code)},
+  ),
+`;
+  }
+
+  output += "});";
+  return output;
+}
diff --git a/node_modules/@babel/helpers/scripts/package.json b/node_modules/@babel/helpers/scripts/package.json
new file mode 100644
index 0000000..5ffd980
--- /dev/null
+++ b/node_modules/@babel/helpers/scripts/package.json
@@ -0,0 +1 @@
+{ "type": "module" }