PerformanceModule.module.js.map

{"version":3,"file":"PerformanceModule.module.js","sources":["../src/modules/extra/node_modules/inherits/inherits.js","../src/modules/extra/node_modules/fps/index.js","../src/modules/extra/node_modules/minivents/dist/minivents.commonjs.js","../src/modules/extra/rollupPluginBabelHelpers","../src/modules/extra/PerformanceModule.js"],"sourcesContent":["module.exports = inherits\n\nfunction inherits (c, p, proto) {\n  proto = proto || {}\n  var e = {}\n  ;[c.prototype, proto].forEach(function (s) {\n    Object.getOwnPropertyNames(s).forEach(function (k) {\n      e[k] = Object.getOwnPropertyDescriptor(s, k)\n    })\n  })\n  c.prototype = Object.create(p.prototype, e)\n  c.super = p\n}\n\n//function Child () {\n//  Child.super.call(this)\n//  console.error([this\n//                ,this.constructor\n//                ,this.constructor === Child\n//                ,this.constructor.super === Parent\n//                ,Object.getPrototypeOf(this) === Child.prototype\n//                ,Object.getPrototypeOf(Object.getPrototypeOf(this))\n//                 === Parent.prototype\n//                ,this instanceof Child\n//                ,this instanceof Parent])\n//}\n//function Parent () {}\n//inherits(Child, Parent)\n//new Child\n","var EventEmitter = require('events').EventEmitter\n  , inherits = require('inherits')\n\nmodule.exports = fps\n\n// Try use performance.now(), otherwise try\n// +new Date.\nvar now = (\n  (function(){ return this }()).performance &&\n  'function' === typeof performance.now\n) ? function() { return performance.now() }\n  : Date.now || function() { return +new Date }\n\nfunction fps(opts) {\n  if (!(this instanceof fps)) return new fps(opts)\n  EventEmitter.call(this)\n\n  opts = opts || {}\n  this.last = now()\n  this.rate = 0\n  this.time = 0\n  this.decay = opts.decay || 1\n  this.every = opts.every || 1\n  this.ticks = 0\n}\ninherits(fps, EventEmitter)\n\nfps.prototype.tick = function() {\n  var time = now()\n    , diff = time - this.last\n    , fps = diff\n\n  this.ticks += 1\n  this.last = time\n  this.time += (fps - this.time) * this.decay\n  this.rate = 1000 / this.time\n  if (!(this.ticks % this.every)) this.emit('data', this.rate)\n}\n\n","module.exports = function Events(target){\n  var events = {}, empty = [];\n  target = target || this\n  /**\n   *  On: listen to events\n   */\n  target.on = function(type, func, ctx){\n    (events[type] = events[type] || []).push([func, ctx])\n  }\n  /**\n   *  Off: stop listening to event / specific callback\n   */\n  target.off = function(type, func){\n    type || (events = {})\n    var list = events[type] || empty,\n        i = list.length = func ? list.length : 0;\n    while(i--) func == list[i][0] && list.splice(i,1)\n  }\n  /** \n   * Emit: send event, callbacks will be triggered\n   */\n  target.emit = function(type){\n    var e = events[type] || empty, list = e.length > 0 ? e.slice(0, e.length) : e, i=0, j;\n    while(j=list[i++]) j[0].apply(j[1], empty.slice.call(arguments, 1))\n  };\n};","export { _typeof as typeof, _jsx as jsx, _asyncIterator as asyncIterator, _AwaitValue as AwaitValue, _AsyncGenerator as AsyncGenerator, _wrapAsyncGenerator as wrapAsyncGenerator, _awaitAsyncGenerator as awaitAsyncGenerator, _asyncGeneratorDelegate as asyncGeneratorDelegate, _asyncToGenerator as asyncToGenerator, _classCallCheck as classCallCheck, _createClass as createClass, _defineEnumerableProperties as defineEnumerableProperties, _defaults as defaults, _defineProperty as defineProperty, _extends as extends, _objectSpread as objectSpread, _inherits as inherits, _inheritsLoose as inheritsLoose, _getPrototypeOf as getPrototypeOf, _setPrototypeOf as setPrototypeOf, _construct as construct, _wrapNativeSuper as wrapNativeSuper, _instanceof as instanceof, _interopRequireDefault as interopRequireDefault, _interopRequireWildcard as interopRequireWildcard, _newArrowCheck as newArrowCheck, _objectDestructuringEmpty as objectDestructuringEmpty, _objectWithoutProperties as objectWithoutProperties, _assertThisInitialized as assertThisInitialized, _possibleConstructorReturn as possibleConstructorReturn, _superPropBase as superPropBase, _get as get, _set as set, _taggedTemplateLiteral as taggedTemplateLiteral, _taggedTemplateLiteralLoose as taggedTemplateLiteralLoose, _temporalRef as temporalRef, _readOnlyError as readOnlyError, _classNameTDZError as classNameTDZError, _temporalUndefined as temporalUndefined, _slicedToArray as slicedToArray, _slicedToArrayLoose as slicedToArrayLoose, _toArray as toArray, _toConsumableArray as toConsumableArray, _arrayWithoutHoles as arrayWithoutHoles, _arrayWithHoles as arrayWithHoles, _iterableToArray as iterableToArray, _iterableToArrayLimit as iterableToArrayLimit, _iterableToArrayLimitLoose as iterableToArrayLimitLoose, _nonIterableSpread as nonIterableSpread, _nonIterableRest as nonIterableRest, _skipFirstGeneratorNext as skipFirstGeneratorNext, _toPropertyKey as toPropertyKey, _initializerWarningHelper as initializerWarningHelper, _initializerDefineProperty as initializerDefineProperty, _applyDecoratedDescriptor as applyDecoratedDescriptor, _classPrivateFieldLooseKey as classPrivateFieldLooseKey, _classPrivateFieldLooseBase as classPrivateFieldLooseBase, _classPrivateFieldGet as classPrivateFieldGet, _classPrivateFieldSet as classPrivateFieldSet };\n\nfunction _typeof(obj) {\n  if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") {\n    _typeof = function (obj) {\n      return typeof obj;\n    };\n  } else {\n    _typeof = function (obj) {\n      return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj;\n    };\n  }\n\n  return _typeof(obj);\n}\n\nvar REACT_ELEMENT_TYPE;\n\nfunction _jsx(type, props, key, children) {\n  if (!REACT_ELEMENT_TYPE) {\n    REACT_ELEMENT_TYPE = typeof Symbol === \"function\" && Symbol.for && Symbol.for(\"react.element\") || 0xeac7;\n  }\n\n  var defaultProps = type && type.defaultProps;\n  var childrenLength = arguments.length - 3;\n\n  if (!props && childrenLength !== 0) {\n    props = {\n      children: void 0\n    };\n  }\n\n  if (props && defaultProps) {\n    for (var propName in defaultProps) {\n      if (props[propName] === void 0) {\n        props[propName] = defaultProps[propName];\n      }\n    }\n  } else if (!props) {\n    props = defaultProps || {};\n  }\n\n  if (childrenLength === 1) {\n    props.children = children;\n  } else if (childrenLength > 1) {\n    var childArray = new Array(childrenLength);\n\n    for (var i = 0; i < childrenLength; i++) {\n      childArray[i] = arguments[i + 3];\n    }\n\n    props.children = childArray;\n  }\n\n  return {\n    $$typeof: REACT_ELEMENT_TYPE,\n    type: type,\n    key: key === undefined ? null : '' + key,\n    ref: null,\n    props: props,\n    _owner: null\n  };\n}\n\nfunction _asyncIterator(iterable) {\n  var method;\n\n  if (typeof Symbol === \"function\") {\n    if (Symbol.asyncIterator) {\n      method = iterable[Symbol.asyncIterator];\n      if (method != null) return method.call(iterable);\n    }\n\n    if (Symbol.iterator) {\n      method = iterable[Symbol.iterator];\n      if (method != null) return method.call(iterable);\n    }\n  }\n\n  throw new TypeError(\"Object is not async iterable\");\n}\n\nfunction _AwaitValue(value) {\n  this.wrapped = value;\n}\n\nfunction _AsyncGenerator(gen) {\n  var front, back;\n\n  function send(key, arg) {\n    return new Promise(function (resolve, reject) {\n      var request = {\n        key: key,\n        arg: arg,\n        resolve: resolve,\n        reject: reject,\n        next: null\n      };\n\n      if (back) {\n        back = back.next = request;\n      } else {\n        front = back = request;\n        resume(key, arg);\n      }\n    });\n  }\n\n  function resume(key, arg) {\n    try {\n      var result = gen[key](arg);\n      var value = result.value;\n      var wrappedAwait = value instanceof _AwaitValue;\n      Promise.resolve(wrappedAwait ? value.wrapped : value).then(function (arg) {\n        if (wrappedAwait) {\n          resume(\"next\", arg);\n          return;\n        }\n\n        settle(result.done ? \"return\" : \"normal\", arg);\n      }, function (err) {\n        resume(\"throw\", err);\n      });\n    } catch (err) {\n      settle(\"throw\", err);\n    }\n  }\n\n  function settle(type, value) {\n    switch (type) {\n      case \"return\":\n        front.resolve({\n          value: value,\n          done: true\n        });\n        break;\n\n      case \"throw\":\n        front.reject(value);\n        break;\n\n      default:\n        front.resolve({\n          value: value,\n          done: false\n        });\n        break;\n    }\n\n    front = front.next;\n\n    if (front) {\n      resume(front.key, front.arg);\n    } else {\n      back = null;\n    }\n  }\n\n  this._invoke = send;\n\n  if (typeof gen.return !== \"function\") {\n    this.return = undefined;\n  }\n}\n\nif (typeof Symbol === \"function\" && Symbol.asyncIterator) {\n  _AsyncGenerator.prototype[Symbol.asyncIterator] = function () {\n    return this;\n  };\n}\n\n_AsyncGenerator.prototype.next = function (arg) {\n  return this._invoke(\"next\", arg);\n};\n\n_AsyncGenerator.prototype.throw = function (arg) {\n  return this._invoke(\"throw\", arg);\n};\n\n_AsyncGenerator.prototype.return = function (arg) {\n  return this._invoke(\"return\", arg);\n};\n\nfunction _wrapAsyncGenerator(fn) {\n  return function () {\n    return new _AsyncGenerator(fn.apply(this, arguments));\n  };\n}\n\nfunction _awaitAsyncGenerator(value) {\n  return new _AwaitValue(value);\n}\n\nfunction _asyncGeneratorDelegate(inner, awaitWrap) {\n  var iter = {},\n      waiting = false;\n\n  function pump(key, value) {\n    waiting = true;\n    value = new Promise(function (resolve) {\n      resolve(inner[key](value));\n    });\n    return {\n      done: false,\n      value: awaitWrap(value)\n    };\n  }\n\n  ;\n\n  if (typeof Symbol === \"function\" && Symbol.iterator) {\n    iter[Symbol.iterator] = function () {\n      return this;\n    };\n  }\n\n  iter.next = function (value) {\n    if (waiting) {\n      waiting = false;\n      return value;\n    }\n\n    return pump(\"next\", value);\n  };\n\n  if (typeof inner.throw === \"function\") {\n    iter.throw = function (value) {\n      if (waiting) {\n        waiting = false;\n        throw value;\n      }\n\n      return pump(\"throw\", value);\n    };\n  }\n\n  if (typeof inner.return === \"function\") {\n    iter.return = function (value) {\n      return pump(\"return\", value);\n    };\n  }\n\n  return iter;\n}\n\nfunction _asyncToGenerator(fn) {\n  return function () {\n    var self = this,\n        args = arguments;\n    return new Promise(function (resolve, reject) {\n      var gen = fn.apply(self, args);\n\n      function step(key, arg) {\n        try {\n          var info = gen[key](arg);\n          var value = info.value;\n        } catch (error) {\n          reject(error);\n          return;\n        }\n\n        if (info.done) {\n          resolve(value);\n        } else {\n          Promise.resolve(value).then(_next, _throw);\n        }\n      }\n\n      function _next(value) {\n        step(\"next\", value);\n      }\n\n      function _throw(err) {\n        step(\"throw\", err);\n      }\n\n      _next();\n    });\n  };\n}\n\nfunction _classCallCheck(instance, Constructor) {\n  if (!(instance instanceof Constructor)) {\n    throw new TypeError(\"Cannot call a class as a function\");\n  }\n}\n\nfunction _defineProperties(target, props) {\n  for (var i = 0; i < props.length; i++) {\n    var descriptor = props[i];\n    descriptor.enumerable = descriptor.enumerable || false;\n    descriptor.configurable = true;\n    if (\"value\" in descriptor) descriptor.writable = true;\n    Object.defineProperty(target, descriptor.key, descriptor);\n  }\n}\n\nfunction _createClass(Constructor, protoProps, staticProps) {\n  if (protoProps) _defineProperties(Constructor.prototype, protoProps);\n  if (staticProps) _defineProperties(Constructor, staticProps);\n  return Constructor;\n}\n\nfunction _defineEnumerableProperties(obj, descs) {\n  for (var key in descs) {\n    var desc = descs[key];\n    desc.configurable = desc.enumerable = true;\n    if (\"value\" in desc) desc.writable = true;\n    Object.defineProperty(obj, key, desc);\n  }\n\n  if (Object.getOwnPropertySymbols) {\n    var objectSymbols = Object.getOwnPropertySymbols(descs);\n\n    for (var i = 0; i < objectSymbols.length; i++) {\n      var sym = objectSymbols[i];\n      var desc = descs[sym];\n      desc.configurable = desc.enumerable = true;\n      if (\"value\" in desc) desc.writable = true;\n      Object.defineProperty(obj, sym, desc);\n    }\n  }\n\n  return obj;\n}\n\nfunction _defaults(obj, defaults) {\n  var keys = Object.getOwnPropertyNames(defaults);\n\n  for (var i = 0; i < keys.length; i++) {\n    var key = keys[i];\n    var value = Object.getOwnPropertyDescriptor(defaults, key);\n\n    if (value && value.configurable && obj[key] === undefined) {\n      Object.defineProperty(obj, key, value);\n    }\n  }\n\n  return obj;\n}\n\nfunction _defineProperty(obj, key, value) {\n  if (key in obj) {\n    Object.defineProperty(obj, key, {\n      value: value,\n      enumerable: true,\n      configurable: true,\n      writable: true\n    });\n  } else {\n    obj[key] = value;\n  }\n\n  return obj;\n}\n\nfunction _extends() {\n  _extends = Object.assign || function (target) {\n    for (var i = 1; i < arguments.length; i++) {\n      var source = arguments[i];\n\n      for (var key in source) {\n        if (Object.prototype.hasOwnProperty.call(source, key)) {\n          target[key] = source[key];\n        }\n      }\n    }\n\n    return target;\n  };\n\n  return _extends.apply(this, arguments);\n}\n\nfunction _objectSpread(target) {\n  for (var i = 1; i < arguments.length; i++) {\n    var source = arguments[i] != null ? arguments[i] : {};\n    var ownKeys = Object.keys(source);\n\n    if (typeof Object.getOwnPropertySymbols === 'function') {\n      ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {\n        return Object.getOwnPropertyDescriptor(source, sym).enumerable;\n      }));\n    }\n\n    ownKeys.forEach(function (key) {\n      _defineProperty(target, key, source[key]);\n    });\n  }\n\n  return target;\n}\n\nfunction _inherits(subClass, superClass) {\n  if (typeof superClass !== \"function\" && superClass !== null) {\n    throw new TypeError(\"Super expression must either be null or a function\");\n  }\n\n  subClass.prototype = Object.create(superClass && superClass.prototype, {\n    constructor: {\n      value: subClass,\n      writable: true,\n      configurable: true\n    }\n  });\n  if (superClass) _setPrototypeOf(subClass, superClass);\n}\n\nfunction _inheritsLoose(subClass, superClass) {\n  subClass.prototype = Object.create(superClass.prototype);\n  subClass.prototype.constructor = subClass;\n  subClass.__proto__ = superClass;\n}\n\nfunction _getPrototypeOf(o) {\n  _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {\n    return o.__proto__ || Object.getPrototypeOf(o);\n  };\n  return _getPrototypeOf(o);\n}\n\nfunction _setPrototypeOf(o, p) {\n  _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {\n    o.__proto__ = p;\n    return o;\n  };\n\n  return _setPrototypeOf(o, p);\n}\n\nfunction isNativeReflectConstruct() {\n  if (typeof Reflect === \"undefined\" || !Reflect.construct) return false;\n  if (Reflect.construct.sham) return false;\n  if (typeof Proxy === \"function\") return true;\n\n  try {\n    Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));\n    return true;\n  } catch (e) {\n    return false;\n  }\n}\n\nfunction _construct(Parent, args, Class) {\n  if (isNativeReflectConstruct()) {\n    _construct = Reflect.construct;\n  } else {\n    _construct = function _construct(Parent, args, Class) {\n      var a = [null];\n      a.push.apply(a, args);\n      var Constructor = Function.bind.apply(Parent, a);\n      var instance = new Constructor();\n      if (Class) _setPrototypeOf(instance, Class.prototype);\n      return instance;\n    };\n  }\n\n  return _construct.apply(null, arguments);\n}\n\nfunction _wrapNativeSuper(Class) {\n  var _cache = typeof Map === \"function\" ? new Map() : undefined;\n\n  _wrapNativeSuper = function _wrapNativeSuper(Class) {\n    if (Class === null) return null;\n\n    if (typeof Class !== \"function\") {\n      throw new TypeError(\"Super expression must either be null or a function\");\n    }\n\n    if (typeof _cache !== \"undefined\") {\n      if (_cache.has(Class)) return _cache.get(Class);\n\n      _cache.set(Class, Wrapper);\n    }\n\n    function Wrapper() {\n      return _construct(Class, arguments, _getPrototypeOf(this).constructor);\n    }\n\n    Wrapper.prototype = Object.create(Class.prototype, {\n      constructor: {\n        value: Wrapper,\n        enumerable: false,\n        writable: true,\n        configurable: true\n      }\n    });\n    return _setPrototypeOf(Wrapper, Class);\n  };\n\n  return _wrapNativeSuper(Class);\n}\n\nfunction _instanceof(left, right) {\n  if (right != null && typeof Symbol !== \"undefined\" && right[Symbol.hasInstance]) {\n    return right[Symbol.hasInstance](left);\n  } else {\n    return left instanceof right;\n  }\n}\n\nfunction _interopRequireDefault(obj) {\n  return obj && obj.__esModule ? obj : {\n    default: obj\n  };\n}\n\nfunction _interopRequireWildcard(obj) {\n  if (obj && obj.__esModule) {\n    return obj;\n  } else {\n    var newObj = {};\n\n    if (obj != null) {\n      for (var key in obj) {\n        if (Object.prototype.hasOwnProperty.call(obj, key)) {\n          var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {};\n\n          if (desc.get || desc.set) {\n            Object.defineProperty(newObj, key, desc);\n          } else {\n            newObj[key] = obj[key];\n          }\n        }\n      }\n    }\n\n    newObj.default = obj;\n    return newObj;\n  }\n}\n\nfunction _newArrowCheck(innerThis, boundThis) {\n  if (innerThis !== boundThis) {\n    throw new TypeError(\"Cannot instantiate an arrow function\");\n  }\n}\n\nfunction _objectDestructuringEmpty(obj) {\n  if (obj == null) throw new TypeError(\"Cannot destructure undefined\");\n}\n\nfunction _objectWithoutProperties(source, excluded) {\n  if (source == null) return {};\n  var target = {};\n  var sourceKeys = Object.keys(source);\n  var key, i;\n\n  for (i = 0; i < sourceKeys.length; i++) {\n    key = sourceKeys[i];\n    if (excluded.indexOf(key) >= 0) continue;\n    target[key] = source[key];\n  }\n\n  if (Object.getOwnPropertySymbols) {\n    var sourceSymbolKeys = Object.getOwnPropertySymbols(source);\n\n    for (i = 0; i < sourceSymbolKeys.length; i++) {\n      key = sourceSymbolKeys[i];\n      if (excluded.indexOf(key) >= 0) continue;\n      if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;\n      target[key] = source[key];\n    }\n  }\n\n  return target;\n}\n\nfunction _assertThisInitialized(self) {\n  if (self === void 0) {\n    throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n  }\n\n  return self;\n}\n\nfunction _possibleConstructorReturn(self, call) {\n  if (call && (typeof call === \"object\" || typeof call === \"function\")) {\n    return call;\n  }\n\n  return _assertThisInitialized(self);\n}\n\nfunction _superPropBase(object, property) {\n  while (!Object.prototype.hasOwnProperty.call(object, property)) {\n    object = _getPrototypeOf(object);\n    if (object === null) break;\n  }\n\n  return object;\n}\n\nfunction _get(target, property, receiver) {\n  if (typeof Reflect !== \"undefined\" && Reflect.get) {\n    _get = Reflect.get;\n  } else {\n    _get = function _get(target, property, receiver) {\n      var base = _superPropBase(target, property);\n\n      if (!base) return;\n      var desc = Object.getOwnPropertyDescriptor(base, property);\n\n      if (desc.get) {\n        return desc.get.call(receiver);\n      }\n\n      return desc.value;\n    };\n  }\n\n  return _get(target, property, receiver || target);\n}\n\nfunction set(target, property, value, receiver) {\n  if (typeof Reflect !== \"undefined\" && Reflect.set) {\n    set = Reflect.set;\n  } else {\n    set = function set(target, property, value, receiver) {\n      var base = _superPropBase(target, property);\n\n      var desc;\n\n      if (base) {\n        desc = Object.getOwnPropertyDescriptor(base, property);\n\n        if (desc.set) {\n          desc.set.call(receiver, value);\n          return true;\n        } else if (!desc.writable) {\n          return false;\n        }\n      }\n\n      desc = Object.getOwnPropertyDescriptor(receiver, property);\n\n      if (desc) {\n        if (!desc.writable) {\n          return false;\n        }\n\n        desc.value = value;\n        Object.defineProperty(receiver, property, desc);\n      } else {\n        _defineProperty(receiver, property, value);\n      }\n\n      return true;\n    };\n  }\n\n  return set(target, property, value, receiver);\n}\n\nfunction _set(target, property, value, receiver, isStrict) {\n  var s = set(target, property, value, receiver || target);\n\n  if (!s && isStrict) {\n    throw new Error('failed to set property');\n  }\n\n  return value;\n}\n\nfunction _taggedTemplateLiteral(strings, raw) {\n  if (!raw) {\n    raw = strings.slice(0);\n  }\n\n  return Object.freeze(Object.defineProperties(strings, {\n    raw: {\n      value: Object.freeze(raw)\n    }\n  }));\n}\n\nfunction _taggedTemplateLiteralLoose(strings, raw) {\n  if (!raw) {\n    raw = strings.slice(0);\n  }\n\n  strings.raw = raw;\n  return strings;\n}\n\nfunction _temporalRef(val, name) {\n  if (val === _temporalUndefined) {\n    throw new ReferenceError(name + \" is not defined - temporal dead zone\");\n  } else {\n    return val;\n  }\n}\n\nfunction _readOnlyError(name) {\n  throw new Error(\"\\\"\" + name + \"\\\" is read-only\");\n}\n\nfunction _classNameTDZError(name) {\n  throw new Error(\"Class \\\"\" + name + \"\\\" cannot be referenced in computed property keys.\");\n}\n\nvar _temporalUndefined = {};\n\nfunction _slicedToArray(arr, i) {\n  return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest();\n}\n\nfunction _slicedToArrayLoose(arr, i) {\n  return _arrayWithHoles(arr) || _iterableToArrayLimitLoose(arr, i) || _nonIterableRest();\n}\n\nfunction _toArray(arr) {\n  return _arrayWithHoles(arr) || _iterableToArray(arr) || _nonIterableRest();\n}\n\nfunction _toConsumableArray(arr) {\n  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();\n}\n\nfunction _arrayWithoutHoles(arr) {\n  if (Array.isArray(arr)) {\n    for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];\n\n    return arr2;\n  }\n}\n\nfunction _arrayWithHoles(arr) {\n  if (Array.isArray(arr)) return arr;\n}\n\nfunction _iterableToArray(iter) {\n  if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === \"[object Arguments]\") return Array.from(iter);\n}\n\nfunction _iterableToArrayLimit(arr, i) {\n  var _arr = [];\n  var _n = true;\n  var _d = false;\n  var _e = undefined;\n\n  try {\n    for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {\n      _arr.push(_s.value);\n\n      if (i && _arr.length === i) break;\n    }\n  } catch (err) {\n    _d = true;\n    _e = err;\n  } finally {\n    try {\n      if (!_n && _i[\"return\"] != null) _i[\"return\"]();\n    } finally {\n      if (_d) throw _e;\n    }\n  }\n\n  return _arr;\n}\n\nfunction _iterableToArrayLimitLoose(arr, i) {\n  var _arr = [];\n\n  for (var _iterator = arr[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {\n    _arr.push(_step.value);\n\n    if (i && _arr.length === i) break;\n  }\n\n  return _arr;\n}\n\nfunction _nonIterableSpread() {\n  throw new TypeError(\"Invalid attempt to spread non-iterable instance\");\n}\n\nfunction _nonIterableRest() {\n  throw new TypeError(\"Invalid attempt to destructure non-iterable instance\");\n}\n\nfunction _skipFirstGeneratorNext(fn) {\n  return function () {\n    var it = fn.apply(this, arguments);\n    it.next();\n    return it;\n  };\n}\n\nfunction _toPropertyKey(key) {\n  if (typeof key === \"symbol\") {\n    return key;\n  } else {\n    return String(key);\n  }\n}\n\nfunction _initializerWarningHelper(descriptor, context) {\n  throw new Error('Decorating class property failed. Please ensure that ' + 'proposal-class-properties is enabled and set to use loose mode. ' + 'To use proposal-class-properties in spec mode with decorators, wait for ' + 'the next major version of decorators in stage 2.');\n}\n\nfunction _initializerDefineProperty(target, property, descriptor, context) {\n  if (!descriptor) return;\n  Object.defineProperty(target, property, {\n    enumerable: descriptor.enumerable,\n    configurable: descriptor.configurable,\n    writable: descriptor.writable,\n    value: descriptor.initializer ? descriptor.initializer.call(context) : void 0\n  });\n}\n\nfunction _applyDecoratedDescriptor(target, property, decorators, descriptor, context) {\n  var desc = {};\n  Object['ke' + 'ys'](descriptor).forEach(function (key) {\n    desc[key] = descriptor[key];\n  });\n  desc.enumerable = !!desc.enumerable;\n  desc.configurable = !!desc.configurable;\n\n  if ('value' in desc || desc.initializer) {\n    desc.writable = true;\n  }\n\n  desc = decorators.slice().reverse().reduce(function (desc, decorator) {\n    return decorator(target, property, desc) 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