react-beautiful-dnd/dist/react-beautiful-dnd.js

Beautiful, accessible drag and drop for lists with React.js

(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('react')) :
	typeof define === 'function' && define.amd ? define(['exports', 'react'], factory) :
	(factory((global.ReactBeautifulDnd = {}),global.React));
}(this, (function (exports,React) { 'use strict';

	var React__default = 'default' in React ? React['default'] : React;

	var commonjsGlobal = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};

	function unwrapExports (x) {
		return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
	}

	function createCommonjsModule(fn, module) {
		return module = { exports: {} }, fn(module, module.exports), module.exports;
	}

	var classCallCheck = createCommonjsModule(function (module, exports) {

	exports.__esModule = true;

	exports.default = function (instance, Constructor) {
	  if (!(instance instanceof Constructor)) {
	    throw new TypeError("Cannot call a class as a function");
	  }
	};
	});

	var _classCallCheck = unwrapExports(classCallCheck);

	// 7.1.4 ToInteger
	var ceil = Math.ceil;
	var floor = Math.floor;
	var _toInteger = function (it) {
	  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);
	};

	var _toInteger$1 = /*#__PURE__*/Object.freeze({
		default: _toInteger,
		__moduleExports: _toInteger
	});

	// 7.2.1 RequireObjectCoercible(argument)
	var _defined = function (it) {
	  if (it == undefined) throw TypeError("Can't call method on  " + it);
	  return it;
	};

	var _defined$1 = /*#__PURE__*/Object.freeze({
		default: _defined,
		__moduleExports: _defined
	});

	var toInteger = ( _toInteger$1 && _toInteger ) || _toInteger$1;

	var defined = ( _defined$1 && _defined ) || _defined$1;

	// true  -> String#at
	// false -> String#codePointAt
	var _stringAt = function (TO_STRING) {
	  return function (that, pos) {
	    var s = String(defined(that));
	    var i = toInteger(pos);
	    var l = s.length;
	    var a, b;
	    if (i < 0 || i >= l) return TO_STRING ? '' : undefined;
	    a = s.charCodeAt(i);
	    return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff
	      ? TO_STRING ? s.charAt(i) : a
	      : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;
	  };
	};

	var _stringAt$1 = /*#__PURE__*/Object.freeze({
		default: _stringAt,
		__moduleExports: _stringAt
	});

	var _library = true;

	var _library$1 = /*#__PURE__*/Object.freeze({
		default: _library,
		__moduleExports: _library
	});

	var _global = createCommonjsModule(function (module) {
	// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
	var global = module.exports = typeof window != 'undefined' && window.Math == Math
	  ? window : typeof self != 'undefined' && self.Math == Math ? self
	  // eslint-disable-next-line no-new-func
	  : Function('return this')();
	if (typeof __g == 'number') __g = global; // eslint-disable-line no-undef
	});

	var _global$1 = /*#__PURE__*/Object.freeze({
		default: _global,
		__moduleExports: _global
	});

	var _core = createCommonjsModule(function (module) {
	var core = module.exports = { version: '2.5.5' };
	if (typeof __e == 'number') __e = core; // eslint-disable-line no-undef
	});
	var _core_1 = _core.version;

	var _core$1 = /*#__PURE__*/Object.freeze({
		default: _core,
		__moduleExports: _core,
		version: _core_1
	});

	var _aFunction = function (it) {
	  if (typeof it != 'function') throw TypeError(it + ' is not a function!');
	  return it;
	};

	var _aFunction$1 = /*#__PURE__*/Object.freeze({
		default: _aFunction,
		__moduleExports: _aFunction
	});

	var aFunction = ( _aFunction$1 && _aFunction ) || _aFunction$1;

	// optional / simple context binding

	var _ctx = function (fn, that, length) {
	  aFunction(fn);
	  if (that === undefined) return fn;
	  switch (length) {
	    case 1: return function (a) {
	      return fn.call(that, a);
	    };
	    case 2: return function (a, b) {
	      return fn.call(that, a, b);
	    };
	    case 3: return function (a, b, c) {
	      return fn.call(that, a, b, c);
	    };
	  }
	  return function (/* ...args */) {
	    return fn.apply(that, arguments);
	  };
	};

	var _ctx$1 = /*#__PURE__*/Object.freeze({
		default: _ctx,
		__moduleExports: _ctx
	});

	var _isObject = function (it) {
	  return typeof it === 'object' ? it !== null : typeof it === 'function';
	};

	var _isObject$1 = /*#__PURE__*/Object.freeze({
		default: _isObject,
		__moduleExports: _isObject
	});

	var isObject = ( _isObject$1 && _isObject ) || _isObject$1;

	var _anObject = function (it) {
	  if (!isObject(it)) throw TypeError(it + ' is not an object!');
	  return it;
	};

	var _anObject$1 = /*#__PURE__*/Object.freeze({
		default: _anObject,
		__moduleExports: _anObject
	});

	var _fails = function (exec) {
	  try {
	    return !!exec();
	  } catch (e) {
	    return true;
	  }
	};

	var _fails$1 = /*#__PURE__*/Object.freeze({
		default: _fails,
		__moduleExports: _fails
	});

	var require$$1 = ( _fails$1 && _fails ) || _fails$1;

	// Thank's IE8 for his funny defineProperty
	var _descriptors = !require$$1(function () {
	  return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;
	});

	var _descriptors$1 = /*#__PURE__*/Object.freeze({
		default: _descriptors,
		__moduleExports: _descriptors
	});

	var require$$0 = ( _global$1 && _global ) || _global$1;

	var document$1 = require$$0.document;
	// typeof document.createElement is 'object' in old IE
	var is = isObject(document$1) && isObject(document$1.createElement);
	var _domCreate = function (it) {
	  return is ? document$1.createElement(it) : {};
	};

	var _domCreate$1 = /*#__PURE__*/Object.freeze({
		default: _domCreate,
		__moduleExports: _domCreate
	});

	var require$$0$1 = ( _descriptors$1 && _descriptors ) || _descriptors$1;

	var require$$2 = ( _domCreate$1 && _domCreate ) || _domCreate$1;

	var _ie8DomDefine = !require$$0$1 && !require$$1(function () {
	  return Object.defineProperty(require$$2('div'), 'a', { get: function () { return 7; } }).a != 7;
	});

	var _ie8DomDefine$1 = /*#__PURE__*/Object.freeze({
		default: _ie8DomDefine,
		__moduleExports: _ie8DomDefine
	});

	// 7.1.1 ToPrimitive(input [, PreferredType])

	// instead of the ES6 spec version, we didn't implement @@toPrimitive case
	// and the second argument - flag - preferred type is a string
	var _toPrimitive = function (it, S) {
	  if (!isObject(it)) return it;
	  var fn, val;
	  if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;
	  if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val;
	  if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;
	  throw TypeError("Can't convert object to primitive value");
	};

	var _toPrimitive$1 = /*#__PURE__*/Object.freeze({
		default: _toPrimitive,
		__moduleExports: _toPrimitive
	});

	var anObject = ( _anObject$1 && _anObject ) || _anObject$1;

	var IE8_DOM_DEFINE = ( _ie8DomDefine$1 && _ie8DomDefine ) || _ie8DomDefine$1;

	var toPrimitive = ( _toPrimitive$1 && _toPrimitive ) || _toPrimitive$1;

	var dP = Object.defineProperty;

	var f = require$$0$1 ? Object.defineProperty : function defineProperty(O, P, Attributes) {
	  anObject(O);
	  P = toPrimitive(P, true);
	  anObject(Attributes);
	  if (IE8_DOM_DEFINE) try {
	    return dP(O, P, Attributes);
	  } catch (e) { /* empty */ }
	  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');
	  if ('value' in Attributes) O[P] = Attributes.value;
	  return O;
	};

	var _objectDp = {
		f: f
	};

	var _objectDp$1 = /*#__PURE__*/Object.freeze({
		default: _objectDp,
		__moduleExports: _objectDp,
		f: f
	});

	var _propertyDesc = function (bitmap, value) {
	  return {
	    enumerable: !(bitmap & 1),
	    configurable: !(bitmap & 2),
	    writable: !(bitmap & 4),
	    value: value
	  };
	};

	var _propertyDesc$1 = /*#__PURE__*/Object.freeze({
		default: _propertyDesc,
		__moduleExports: _propertyDesc
	});

	var dP$1 = ( _objectDp$1 && _objectDp ) || _objectDp$1;

	var descriptor = ( _propertyDesc$1 && _propertyDesc ) || _propertyDesc$1;

	var _hide = require$$0$1 ? function (object, key, value) {
	  return dP$1.f(object, key, descriptor(1, value));
	} : function (object, key, value) {
	  object[key] = value;
	  return object;
	};

	var _hide$1 = /*#__PURE__*/Object.freeze({
		default: _hide,
		__moduleExports: _hide
	});

	var hasOwnProperty = {}.hasOwnProperty;
	var _has = function (it, key) {
	  return hasOwnProperty.call(it, key);
	};

	var _has$1 = /*#__PURE__*/Object.freeze({
		default: _has,
		__moduleExports: _has
	});

	var core = ( _core$1 && _core ) || _core$1;

	var require$$0$2 = ( _ctx$1 && _ctx ) || _ctx$1;

	var require$$0$3 = ( _hide$1 && _hide ) || _hide$1;

	var has = ( _has$1 && _has ) || _has$1;

	var PROTOTYPE = 'prototype';

	var $export = function (type, name, source) {
	  var IS_FORCED = type & $export.F;
	  var IS_GLOBAL = type & $export.G;
	  var IS_STATIC = type & $export.S;
	  var IS_PROTO = type & $export.P;
	  var IS_BIND = type & $export.B;
	  var IS_WRAP = type & $export.W;
	  var exports = IS_GLOBAL ? core : core[name] || (core[name] = {});
	  var expProto = exports[PROTOTYPE];
	  var target = IS_GLOBAL ? require$$0 : IS_STATIC ? require$$0[name] : (require$$0[name] || {})[PROTOTYPE];
	  var key, own, out;
	  if (IS_GLOBAL) source = name;
	  for (key in source) {
	    // contains in native
	    own = !IS_FORCED && target && target[key] !== undefined;
	    if (own && has(exports, key)) continue;
	    // export native or passed
	    out = own ? target[key] : source[key];
	    // prevent global pollution for namespaces
	    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]
	    // bind timers to global for call from export context
	    : IS_BIND && own ? require$$0$2(out, require$$0)
	    // wrap global constructors for prevent change them in library
	    : IS_WRAP && target[key] == out ? (function (C) {
	      var F = function (a, b, c) {
	        if (this instanceof C) {
	          switch (arguments.length) {
	            case 0: return new C();
	            case 1: return new C(a);
	            case 2: return new C(a, b);
	          } return new C(a, b, c);
	        } return C.apply(this, arguments);
	      };
	      F[PROTOTYPE] = C[PROTOTYPE];
	      return F;
	    // make static versions for prototype methods
	    })(out) : IS_PROTO && typeof out == 'function' ? require$$0$2(Function.call, out) : out;
	    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%
	    if (IS_PROTO) {
	      (exports.virtual || (exports.virtual = {}))[key] = out;
	      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%
	      if (type & $export.R && expProto && !expProto[key]) require$$0$3(expProto, key, out);
	    }
	  }
	};
	// type bitmap
	$export.F = 1;   // forced
	$export.G = 2;   // global
	$export.S = 4;   // static
	$export.P = 8;   // proto
	$export.B = 16;  // bind
	$export.W = 32;  // wrap
	$export.U = 64;  // safe
	$export.R = 128; // real proto method for `library`
	var _export = $export;

	var _export$1 = /*#__PURE__*/Object.freeze({
		default: _export,
		__moduleExports: _export
	});

	var _redefine = require$$0$3;

	var _redefine$1 = /*#__PURE__*/Object.freeze({
		default: _redefine,
		__moduleExports: _redefine
	});

	var _iterators = {};

	var _iterators$1 = /*#__PURE__*/Object.freeze({
		default: _iterators,
		__moduleExports: _iterators
	});

	var toString = {}.toString;

	var _cof = function (it) {
	  return toString.call(it).slice(8, -1);
	};

	var _cof$1 = /*#__PURE__*/Object.freeze({
		default: _cof,
		__moduleExports: _cof
	});

	var cof = ( _cof$1 && _cof ) || _cof$1;

	// fallback for non-array-like ES3 and non-enumerable old V8 strings

	// eslint-disable-next-line no-prototype-builtins
	var _iobject = Object('z').propertyIsEnumerable(0) ? Object : function (it) {
	  return cof(it) == 'String' ? it.split('') : Object(it);
	};

	var _iobject$1 = /*#__PURE__*/Object.freeze({
		default: _iobject,
		__moduleExports: _iobject
	});

	var IObject = ( _iobject$1 && _iobject ) || _iobject$1;

	// to indexed object, toObject with fallback for non-array-like ES3 strings


	var _toIobject = function (it) {
	  return IObject(defined(it));
	};

	var _toIobject$1 = /*#__PURE__*/Object.freeze({
		default: _toIobject,
		__moduleExports: _toIobject
	});

	// 7.1.15 ToLength

	var min = Math.min;
	var _toLength = function (it) {
	  return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991
	};

	var _toLength$1 = /*#__PURE__*/Object.freeze({
		default: _toLength,
		__moduleExports: _toLength
	});

	var max = Math.max;
	var min$1 = Math.min;
	var _toAbsoluteIndex = function (index, length) {
	  index = toInteger(index);
	  return index < 0 ? max(index + length, 0) : min$1(index, length);
	};

	var _toAbsoluteIndex$1 = /*#__PURE__*/Object.freeze({
		default: _toAbsoluteIndex,
		__moduleExports: _toAbsoluteIndex
	});

	var toIObject = ( _toIobject$1 && _toIobject ) || _toIobject$1;

	var toLength = ( _toLength$1 && _toLength ) || _toLength$1;

	var toAbsoluteIndex = ( _toAbsoluteIndex$1 && _toAbsoluteIndex ) || _toAbsoluteIndex$1;

	// false -> Array#indexOf
	// true  -> Array#includes



	var _arrayIncludes = function (IS_INCLUDES) {
	  return function ($this, el, fromIndex) {
	    var O = toIObject($this);
	    var length = toLength(O.length);
	    var index = toAbsoluteIndex(fromIndex, length);
	    var value;
	    // Array#includes uses SameValueZero equality algorithm
	    // eslint-disable-next-line no-self-compare
	    if (IS_INCLUDES && el != el) while (length > index) {
	      value = O[index++];
	      // eslint-disable-next-line no-self-compare
	      if (value != value) return true;
	    // Array#indexOf ignores holes, Array#includes - not
	    } else for (;length > index; index++) if (IS_INCLUDES || index in O) {
	      if (O[index] === el) return IS_INCLUDES || index || 0;
	    } return !IS_INCLUDES && -1;
	  };
	};

	var _arrayIncludes$1 = /*#__PURE__*/Object.freeze({
		default: _arrayIncludes,
		__moduleExports: _arrayIncludes
	});

	var SHARED = '__core-js_shared__';
	var store = require$$0[SHARED] || (require$$0[SHARED] = {});
	var _shared = function (key) {
	  return store[key] || (store[key] = {});
	};

	var _shared$1 = /*#__PURE__*/Object.freeze({
		default: _shared,
		__moduleExports: _shared
	});

	var id = 0;
	var px = Math.random();
	var _uid = function (key) {
	  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));
	};

	var _uid$1 = /*#__PURE__*/Object.freeze({
		default: _uid,
		__moduleExports: _uid
	});

	var require$$0$4 = ( _shared$1 && _shared ) || _shared$1;

	var uid = ( _uid$1 && _uid ) || _uid$1;

	var shared = require$$0$4('keys');

	var _sharedKey = function (key) {
	  return shared[key] || (shared[key] = uid(key));
	};

	var _sharedKey$1 = /*#__PURE__*/Object.freeze({
		default: _sharedKey,
		__moduleExports: _sharedKey
	});

	var require$$0$5 = ( _arrayIncludes$1 && _arrayIncludes ) || _arrayIncludes$1;

	var require$$0$6 = ( _sharedKey$1 && _sharedKey ) || _sharedKey$1;

	var arrayIndexOf = require$$0$5(false);
	var IE_PROTO = require$$0$6('IE_PROTO');

	var _objectKeysInternal = function (object, names) {
	  var O = toIObject(object);
	  var i = 0;
	  var result = [];
	  var key;
	  for (key in O) if (key != IE_PROTO) has(O, key) && result.push(key);
	  // Don't enum bug & hidden keys
	  while (names.length > i) if (has(O, key = names[i++])) {
	    ~arrayIndexOf(result, key) || result.push(key);
	  }
	  return result;
	};

	var _objectKeysInternal$1 = /*#__PURE__*/Object.freeze({
		default: _objectKeysInternal,
		__moduleExports: _objectKeysInternal
	});

	// IE 8- don't enum bug keys
	var _enumBugKeys = (
	  'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'
	).split(',');

	var _enumBugKeys$1 = /*#__PURE__*/Object.freeze({
		default: _enumBugKeys,
		__moduleExports: _enumBugKeys
	});

	var $keys = ( _objectKeysInternal$1 && _objectKeysInternal ) || _objectKeysInternal$1;

	var require$$0$7 = ( _enumBugKeys$1 && _enumBugKeys ) || _enumBugKeys$1;

	// 19.1.2.14 / 15.2.3.14 Object.keys(O)



	var _objectKeys = Object.keys || function keys(O) {
	  return $keys(O, require$$0$7);
	};

	var _objectKeys$1 = /*#__PURE__*/Object.freeze({
		default: _objectKeys,
		__moduleExports: _objectKeys
	});

	var getKeys = ( _objectKeys$1 && _objectKeys ) || _objectKeys$1;

	var _objectDps = require$$0$1 ? Object.defineProperties : function defineProperties(O, Properties) {
	  anObject(O);
	  var keys = getKeys(Properties);
	  var length = keys.length;
	  var i = 0;
	  var P;
	  while (length > i) dP$1.f(O, P = keys[i++], Properties[P]);
	  return O;
	};

	var _objectDps$1 = /*#__PURE__*/Object.freeze({
		default: _objectDps,
		__moduleExports: _objectDps
	});

	var document$2 = require$$0.document;
	var _html = document$2 && document$2.documentElement;

	var _html$1 = /*#__PURE__*/Object.freeze({
		default: _html,
		__moduleExports: _html
	});

	var dPs = ( _objectDps$1 && _objectDps ) || _objectDps$1;

	var require$$2$1 = ( _html$1 && _html ) || _html$1;

	// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])



	var IE_PROTO$1 = require$$0$6('IE_PROTO');
	var Empty = function () { /* empty */ };
	var PROTOTYPE$1 = 'prototype';

	// Create object with fake `null` prototype: use iframe Object with cleared prototype
	var createDict = function () {
	  // Thrash, waste and sodomy: IE GC bug
	  var iframe = require$$2('iframe');
	  var i = require$$0$7.length;
	  var lt = '<';
	  var gt = '>';
	  var iframeDocument;
	  iframe.style.display = 'none';
	  require$$2$1.appendChild(iframe);
	  iframe.src = 'javascript:'; // eslint-disable-line no-script-url
	  // createDict = iframe.contentWindow.Object;
	  // html.removeChild(iframe);
	  iframeDocument = iframe.contentWindow.document;
	  iframeDocument.open();
	  iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);
	  iframeDocument.close();
	  createDict = iframeDocument.F;
	  while (i--) delete createDict[PROTOTYPE$1][require$$0$7[i]];
	  return createDict();
	};

	var _objectCreate = Object.create || function create(O, Properties) {
	  var result;
	  if (O !== null) {
	    Empty[PROTOTYPE$1] = anObject(O);
	    result = new Empty();
	    Empty[PROTOTYPE$1] = null;
	    // add "__proto__" for Object.getPrototypeOf polyfill
	    result[IE_PROTO$1] = O;
	  } else result = createDict();
	  return Properties === undefined ? result : dPs(result, Properties);
	};

	var _objectCreate$1 = /*#__PURE__*/Object.freeze({
		default: _objectCreate,
		__moduleExports: _objectCreate
	});

	var _wks = createCommonjsModule(function (module) {
	var store = require$$0$4('wks');

	var Symbol = require$$0.Symbol;
	var USE_SYMBOL = typeof Symbol == 'function';

	var $exports = module.exports = function (name) {
	  return store[name] || (store[name] =
	    USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : uid)('Symbol.' + name));
	};

	$exports.store = store;
	});

	var _wks$1 = /*#__PURE__*/Object.freeze({
		default: _wks,
		__moduleExports: _wks
	});

	var require$$1$1 = ( _wks$1 && _wks ) || _wks$1;

	var def = dP$1.f;

	var TAG = require$$1$1('toStringTag');

	var _setToStringTag = function (it, tag, stat) {
	  if (it && !has(it = stat ? it : it.prototype, TAG)) def(it, TAG, { configurable: true, value: tag });
	};

	var _setToStringTag$1 = /*#__PURE__*/Object.freeze({
		default: _setToStringTag,
		__moduleExports: _setToStringTag
	});

	var create = ( _objectCreate$1 && _objectCreate ) || _objectCreate$1;

	var setToStringTag = ( _setToStringTag$1 && _setToStringTag ) || _setToStringTag$1;

	var IteratorPrototype = {};

	// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()
	require$$0$3(IteratorPrototype, require$$1$1('iterator'), function () { return this; });

	var _iterCreate = function (Constructor, NAME, next) {
	  Constructor.prototype = create(IteratorPrototype, { next: descriptor(1, next) });
	  setToStringTag(Constructor, NAME + ' Iterator');
	};

	var _iterCreate$1 = /*#__PURE__*/Object.freeze({
		default: _iterCreate,
		__moduleExports: _iterCreate
	});

	// 7.1.13 ToObject(argument)

	var _toObject = function (it) {
	  return Object(defined(it));
	};

	var _toObject$1 = /*#__PURE__*/Object.freeze({
		default: _toObject,
		__moduleExports: _toObject
	});

	var toObject = ( _toObject$1 && _toObject ) || _toObject$1;

	// 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O)


	var IE_PROTO$2 = require$$0$6('IE_PROTO');
	var ObjectProto = Object.prototype;

	var _objectGpo = Object.getPrototypeOf || function (O) {
	  O = toObject(O);
	  if (has(O, IE_PROTO$2)) return O[IE_PROTO$2];
	  if (typeof O.constructor == 'function' && O instanceof O.constructor) {
	    return O.constructor.prototype;
	  } return O instanceof Object ? ObjectProto : null;
	};

	var _objectGpo$1 = /*#__PURE__*/Object.freeze({
		default: _objectGpo,
		__moduleExports: _objectGpo
	});

	var LIBRARY = ( _library$1 && _library ) || _library$1;

	var $export$1 = ( _export$1 && _export ) || _export$1;

	var redefine = ( _redefine$1 && _redefine ) || _redefine$1;

	var Iterators = ( _iterators$1 && _iterators ) || _iterators$1;

	var $iterCreate = ( _iterCreate$1 && _iterCreate ) || _iterCreate$1;

	var getPrototypeOf = ( _objectGpo$1 && _objectGpo ) || _objectGpo$1;

	var ITERATOR = require$$1$1('iterator');
	var BUGGY = !([].keys && 'next' in [].keys()); // Safari has buggy iterators w/o `next`
	var FF_ITERATOR = '@@iterator';
	var KEYS = 'keys';
	var VALUES = 'values';

	var returnThis = function () { return this; };

	var _iterDefine = function (Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED) {
	  $iterCreate(Constructor, NAME, next);
	  var getMethod = function (kind) {
	    if (!BUGGY && kind in proto) return proto[kind];
	    switch (kind) {
	      case KEYS: return function keys() { return new Constructor(this, kind); };
	      case VALUES: return function values() { return new Constructor(this, kind); };
	    } return function entries() { return new Constructor(this, kind); };
	  };
	  var TAG = NAME + ' Iterator';
	  var DEF_VALUES = DEFAULT == VALUES;
	  var VALUES_BUG = false;
	  var proto = Base.prototype;
	  var $native = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT];
	  var $default = $native || getMethod(DEFAULT);
	  var $entries = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined;
	  var $anyNative = NAME == 'Array' ? proto.entries || $native : $native;
	  var methods, key, IteratorPrototype;
	  // Fix native
	  if ($anyNative) {
	    IteratorPrototype = getPrototypeOf($anyNative.call(new Base()));
	    if (IteratorPrototype !== Object.prototype && IteratorPrototype.next) {
	      // Set @@toStringTag to native iterators
	      setToStringTag(IteratorPrototype, TAG, true);
	      // fix for some old engines
	      if (!LIBRARY && typeof IteratorPrototype[ITERATOR] != 'function') require$$0$3(IteratorPrototype, ITERATOR, returnThis);
	    }
	  }
	  // fix Array#{values, @@iterator}.name in V8 / FF
	  if (DEF_VALUES && $native && $native.name !== VALUES) {
	    VALUES_BUG = true;
	    $default = function values() { return $native.call(this); };
	  }
	  // Define iterator
	  if ((!LIBRARY || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])) {
	    require$$0$3(proto, ITERATOR, $default);
	  }
	  // Plug for library
	  Iterators[NAME] = $default;
	  Iterators[TAG] = returnThis;
	  if (DEFAULT) {
	    methods = {
	      values: DEF_VALUES ? $default : getMethod(VALUES),
	      keys: IS_SET ? $default : getMethod(KEYS),
	      entries: $entries
	    };
	    if (FORCED) for (key in methods) {
	      if (!(key in proto)) redefine(proto, key, methods[key]);
	    } else $export$1($export$1.P + $export$1.F * (BUGGY || VALUES_BUG), NAME, methods);
	  }
	  return methods;
	};

	var _iterDefine$1 = /*#__PURE__*/Object.freeze({
		default: _iterDefine,
		__moduleExports: _iterDefine
	});

	var require$$0$8 = ( _stringAt$1 && _stringAt ) || _stringAt$1;

	var require$$0$9 = ( _iterDefine$1 && _iterDefine ) || _iterDefine$1;

	var $at = require$$0$8(true);

	// 21.1.3.27 String.prototype[@@iterator]()
	require$$0$9(String, 'String', function (iterated) {
	  this._t = String(iterated); // target
	  this._i = 0;                // next index
	// 21.1.5.2.1 %StringIteratorPrototype%.next()
	}, function () {
	  var O = this._t;
	  var index = this._i;
	  var point;
	  if (index >= O.length) return { value: undefined, done: true };
	  point = $at(O, index);
	  this._i += point.length;
	  return { value: point, done: false };
	});

	var _addToUnscopables = function () { /* empty */ };

	var _addToUnscopables$1 = /*#__PURE__*/Object.freeze({
		default: _addToUnscopables,
		__moduleExports: _addToUnscopables
	});

	var _iterStep = function (done, value) {
	  return { value: value, done: !!done };
	};

	var _iterStep$1 = /*#__PURE__*/Object.freeze({
		default: _iterStep,
		__moduleExports: _iterStep
	});

	var addToUnscopables = ( _addToUnscopables$1 && _addToUnscopables ) || _addToUnscopables$1;

	var step = ( _iterStep$1 && _iterStep ) || _iterStep$1;

	// 22.1.3.4 Array.prototype.entries()
	// 22.1.3.13 Array.prototype.keys()
	// 22.1.3.29 Array.prototype.values()
	// 22.1.3.30 Array.prototype[@@iterator]()
	var es6_array_iterator = require$$0$9(Array, 'Array', function (iterated, kind) {
	  this._t = toIObject(iterated); // target
	  this._i = 0;                   // next index
	  this._k = kind;                // kind
	// 22.1.5.2.1 %ArrayIteratorPrototype%.next()
	}, function () {
	  var O = this._t;
	  var kind = this._k;
	  var index = this._i++;
	  if (!O || index >= O.length) {
	    this._t = undefined;
	    return step(1);
	  }
	  if (kind == 'keys') return step(0, index);
	  if (kind == 'values') return step(0, O[index]);
	  return step(0, [index, O[index]]);
	}, 'values');

	// argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7)
	Iterators.Arguments = Iterators.Array;

	addToUnscopables('keys');
	addToUnscopables('values');
	addToUnscopables('entries');

	var TO_STRING_TAG = require$$1$1('toStringTag');

	var DOMIterables = ('CSSRuleList,CSSStyleDeclaration,CSSValueList,ClientRectList,DOMRectList,DOMStringList,' +
	  'DOMTokenList,DataTransferItemList,FileList,HTMLAllCollection,HTMLCollection,HTMLFormElement,HTMLSelectElement,' +
	  'MediaList,MimeTypeArray,NamedNodeMap,NodeList,PaintRequestList,Plugin,PluginArray,SVGLengthList,SVGNumberList,' +
	  'SVGPathSegList,SVGPointList,SVGStringList,SVGTransformList,SourceBufferList,StyleSheetList,TextTrackCueList,' +
	  'TextTrackList,TouchList').split(',');

	for (var i = 0; i < DOMIterables.length; i++) {
	  var NAME = DOMIterables[i];
	  var Collection = require$$0[NAME];
	  var proto = Collection && Collection.prototype;
	  if (proto && !proto[TO_STRING_TAG]) require$$0$3(proto, TO_STRING_TAG, NAME);
	  Iterators[NAME] = Iterators.Array;
	}

	var f$1 = require$$1$1;

	var _wksExt = {
		f: f$1
	};

	var _wksExt$1 = /*#__PURE__*/Object.freeze({
		default: _wksExt,
		__moduleExports: _wksExt,
		f: f$1
	});

	var wksExt = ( _wksExt$1 && _wksExt ) || _wksExt$1;

	var iterator = wksExt.f('iterator');

	var iterator$1 = /*#__PURE__*/Object.freeze({
		default: iterator,
		__moduleExports: iterator
	});

	var require$$0$10 = ( iterator$1 && iterator ) || iterator$1;

	var iterator$2 = createCommonjsModule(function (module) {
	module.exports = { "default": require$$0$10, __esModule: true };
	});

	var iterator$3 = unwrapExports(iterator$2);

	var iterator$4 = /*#__PURE__*/Object.freeze({
		default: iterator$3,
		__moduleExports: iterator$2
	});

	var _meta = createCommonjsModule(function (module) {
	var META = uid('meta');


	var setDesc = dP$1.f;
	var id = 0;
	var isExtensible = Object.isExtensible || function () {
	  return true;
	};
	var FREEZE = !require$$1(function () {
	  return isExtensible(Object.preventExtensions({}));
	});
	var setMeta = function (it) {
	  setDesc(it, META, { value: {
	    i: 'O' + ++id, // object ID
	    w: {}          // weak collections IDs
	  } });
	};
	var fastKey = function (it, create) {
	  // return primitive with prefix
	  if (!isObject(it)) return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;
	  if (!has(it, META)) {
	    // can't set metadata to uncaught frozen object
	    if (!isExtensible(it)) return 'F';
	    // not necessary to add metadata
	    if (!create) return 'E';
	    // add missing metadata
	    setMeta(it);
	  // return object ID
	  } return it[META].i;
	};
	var getWeak = function (it, create) {
	  if (!has(it, META)) {
	    // can't set metadata to uncaught frozen object
	    if (!isExtensible(it)) return true;
	    // not necessary to add metadata
	    if (!create) return false;
	    // add missing metadata
	    setMeta(it);
	  // return hash weak collections IDs
	  } return it[META].w;
	};
	// add metadata on freeze-family methods calling
	var onFreeze = function (it) {
	  if (FREEZE && meta.NEED && isExtensible(it) && !has(it, META)) setMeta(it);
	  return it;
	};
	var meta = module.exports = {
	  KEY: META,
	  NEED: false,
	  fastKey: fastKey,
	  getWeak: getWeak,
	  onFreeze: onFreeze
	};
	});
	var _meta_1 = _meta.KEY;
	var _meta_2 = _meta.NEED;
	var _meta_3 = _meta.fastKey;
	var _meta_4 = _meta.getWeak;
	var _meta_5 = _meta.onFreeze;

	var _meta$1 = /*#__PURE__*/Object.freeze({
		default: _meta,
		__moduleExports: _meta,
		KEY: _meta_1,
		NEED: _meta_2,
		fastKey: _meta_3,
		getWeak: _meta_4,
		onFreeze: _meta_5
	});

	var defineProperty = dP$1.f;
	var _wksDefine = function (name) {
	  var $Symbol = core.Symbol || (core.Symbol = LIBRARY ? {} : require$$0.Symbol || {});
	  if (name.charAt(0) != '_' && !(name in $Symbol)) defineProperty($Symbol, name, { value: wksExt.f(name) });
	};

	var _wksDefine$1 = /*#__PURE__*/Object.freeze({
		default: _wksDefine,
		__moduleExports: _wksDefine
	});

	var f$2 = Object.getOwnPropertySymbols;

	var _objectGops = {
		f: f$2
	};

	var _objectGops$1 = /*#__PURE__*/Object.freeze({
		default: _objectGops,
		__moduleExports: _objectGops,
		f: f$2
	});

	var f$3 = {}.propertyIsEnumerable;

	var _objectPie = {
		f: f$3
	};

	var _objectPie$1 = /*#__PURE__*/Object.freeze({
		default: _objectPie,
		__moduleExports: _objectPie,
		f: f$3
	});

	var gOPS = ( _objectGops$1 && _objectGops ) || _objectGops$1;

	var pIE = ( _objectPie$1 && _objectPie ) || _objectPie$1;

	// all enumerable object keys, includes symbols



	var _enumKeys = function (it) {
	  var result = getKeys(it);
	  var getSymbols = gOPS.f;
	  if (getSymbols) {
	    var symbols = getSymbols(it);
	    var isEnum = pIE.f;
	    var i = 0;
	    var key;
	    while (symbols.length > i) if (isEnum.call(it, key = symbols[i++])) result.push(key);
	  } return result;
	};

	var _enumKeys$1 = /*#__PURE__*/Object.freeze({
		default: _enumKeys,
		__moduleExports: _enumKeys
	});

	// 7.2.2 IsArray(argument)

	var _isArray = Array.isArray || function isArray(arg) {
	  return cof(arg) == 'Array';
	};

	var _isArray$1 = /*#__PURE__*/Object.freeze({
		default: _isArray,
		__moduleExports: _isArray
	});

	// 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)

	var hiddenKeys = require$$0$7.concat('length', 'prototype');

	var f$4 = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
	  return $keys(O, hiddenKeys);
	};

	var _objectGopn = {
		f: f$4
	};

	var _objectGopn$1 = /*#__PURE__*/Object.freeze({
		default: _objectGopn,
		__moduleExports: _objectGopn,
		f: f$4
	});

	var require$$0$11 = ( _objectGopn$1 && _objectGopn ) || _objectGopn$1;

	// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window

	var gOPN = require$$0$11.f;
	var toString$1 = {}.toString;

	var windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames
	  ? Object.getOwnPropertyNames(window) : [];

	var getWindowNames = function (it) {
	  try {
	    return gOPN(it);
	  } catch (e) {
	    return windowNames.slice();
	  }
	};

	var f$5 = function getOwnPropertyNames(it) {
	  return windowNames && toString$1.call(it) == '[object Window]' ? getWindowNames(it) : gOPN(toIObject(it));
	};

	var _objectGopnExt = {
		f: f$5
	};

	var _objectGopnExt$1 = /*#__PURE__*/Object.freeze({
		default: _objectGopnExt,
		__moduleExports: _objectGopnExt,
		f: f$5
	});

	var gOPD = Object.getOwnPropertyDescriptor;

	var f$6 = require$$0$1 ? gOPD : function getOwnPropertyDescriptor(O, P) {
	  O = toIObject(O);
	  P = toPrimitive(P, true);
	  if (IE8_DOM_DEFINE) try {
	    return gOPD(O, P);
	  } catch (e) { /* empty */ }
	  if (has(O, P)) return descriptor(!pIE.f.call(O, P), O[P]);
	};

	var _objectGopd = {
		f: f$6
	};

	var _objectGopd$1 = /*#__PURE__*/Object.freeze({
		default: _objectGopd,
		__moduleExports: _objectGopd,
		f: f$6
	});

	var require$$0$12 = ( _meta$1 && _meta ) || _meta$1;

	var require$$0$13 = ( _wksDefine$1 && _wksDefine ) || _wksDefine$1;

	var enumKeys = ( _enumKeys$1 && _enumKeys ) || _enumKeys$1;

	var isArray = ( _isArray$1 && _isArray ) || _isArray$1;

	var gOPNExt = ( _objectGopnExt$1 && _objectGopnExt ) || _objectGopnExt$1;

	var require$$1$2 = ( _objectGopd$1 && _objectGopd ) || _objectGopd$1;

	// ECMAScript 6 symbols shim





	var META = require$$0$12.KEY;



















	var gOPD$1 = require$$1$2.f;
	var dP$2 = dP$1.f;
	var gOPN$1 = gOPNExt.f;
	var $Symbol = require$$0.Symbol;
	var $JSON = require$$0.JSON;
	var _stringify = $JSON && $JSON.stringify;
	var PROTOTYPE$2 = 'prototype';
	var HIDDEN = require$$1$1('_hidden');
	var TO_PRIMITIVE = require$$1$1('toPrimitive');
	var isEnum = {}.propertyIsEnumerable;
	var SymbolRegistry = require$$0$4('symbol-registry');
	var AllSymbols = require$$0$4('symbols');
	var OPSymbols = require$$0$4('op-symbols');
	var ObjectProto$1 = Object[PROTOTYPE$2];
	var USE_NATIVE = typeof $Symbol == 'function';
	var QObject = require$$0.QObject;
	// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173
	var setter = !QObject || !QObject[PROTOTYPE$2] || !QObject[PROTOTYPE$2].findChild;

	// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687
	var setSymbolDesc = require$$0$1 && require$$1(function () {
	  return create(dP$2({}, 'a', {
	    get: function () { return dP$2(this, 'a', { value: 7 }).a; }
	  })).a != 7;
	}) ? function (it, key, D) {
	  var protoDesc = gOPD$1(ObjectProto$1, key);
	  if (protoDesc) delete ObjectProto$1[key];
	  dP$2(it, key, D);
	  if (protoDesc && it !== ObjectProto$1) dP$2(ObjectProto$1, key, protoDesc);
	} : dP$2;

	var wrap = function (tag) {
	  var sym = AllSymbols[tag] = create($Symbol[PROTOTYPE$2]);
	  sym._k = tag;
	  return sym;
	};

	var isSymbol = USE_NATIVE && typeof $Symbol.iterator == 'symbol' ? function (it) {
	  return typeof it == 'symbol';
	} : function (it) {
	  return it instanceof $Symbol;
	};

	var $defineProperty = function defineProperty(it, key, D) {
	  if (it === ObjectProto$1) $defineProperty(OPSymbols, key, D);
	  anObject(it);
	  key = toPrimitive(key, true);
	  anObject(D);
	  if (has(AllSymbols, key)) {
	    if (!D.enumerable) {
	      if (!has(it, HIDDEN)) dP$2(it, HIDDEN, descriptor(1, {}));
	      it[HIDDEN][key] = true;
	    } else {
	      if (has(it, HIDDEN) && it[HIDDEN][key]) it[HIDDEN][key] = false;
	      D = create(D, { enumerable: descriptor(0, false) });
	    } return setSymbolDesc(it, key, D);
	  } return dP$2(it, key, D);
	};
	var $defineProperties = function defineProperties(it, P) {
	  anObject(it);
	  var keys = enumKeys(P = toIObject(P));
	  var i = 0;
	  var l = keys.length;
	  var key;
	  while (l > i) $defineProperty(it, key = keys[i++], P[key]);
	  return it;
	};
	var $create = function create$$1(it, P) {
	  return P === undefined ? create(it) : $defineProperties(create(it), P);
	};
	var $propertyIsEnumerable = function propertyIsEnumerable(key) {
	  var E = isEnum.call(this, key = toPrimitive(key, true));
	  if (this === ObjectProto$1 && has(AllSymbols, key) && !has(OPSymbols, key)) return false;
	  return E || !has(this, key) || !has(AllSymbols, key) || has(this, HIDDEN) && this[HIDDEN][key] ? E : true;
	};
	var $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key) {
	  it = toIObject(it);
	  key = toPrimitive(key, true);
	  if (it === ObjectProto$1 && has(AllSymbols, key) && !has(OPSymbols, key)) return;
	  var D = gOPD$1(it, key);
	  if (D && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) D.enumerable = true;
	  return D;
	};
	var $getOwnPropertyNames = function getOwnPropertyNames(it) {
	  var names = gOPN$1(toIObject(it));
	  var result = [];
	  var i = 0;
	  var key;
	  while (names.length > i) {
	    if (!has(AllSymbols, key = names[i++]) && key != HIDDEN && key != META) result.push(key);
	  } return result;
	};
	var $getOwnPropertySymbols = function getOwnPropertySymbols(it) {
	  var IS_OP = it === ObjectProto$1;
	  var names = gOPN$1(IS_OP ? OPSymbols : toIObject(it));
	  var result = [];
	  var i = 0;
	  var key;
	  while (names.length > i) {
	    if (has(AllSymbols, key = names[i++]) && (IS_OP ? has(ObjectProto$1, key) : true)) result.push(AllSymbols[key]);
	  } return result;
	};

	// 19.4.1.1 Symbol([description])
	if (!USE_NATIVE) {
	  $Symbol = function Symbol() {
	    if (this instanceof $Symbol) throw TypeError('Symbol is not a constructor!');
	    var tag = uid(arguments.length > 0 ? arguments[0] : undefined);
	    var $set = function (value) {
	      if (this === ObjectProto$1) $set.call(OPSymbols, value);
	      if (has(this, HIDDEN) && has(this[HIDDEN], tag)) this[HIDDEN][tag] = false;
	      setSymbolDesc(this, tag, descriptor(1, value));
	    };
	    if (require$$0$1 && setter) setSymbolDesc(ObjectProto$1, tag, { configurable: true, set: $set });
	    return wrap(tag);
	  };
	  redefine($Symbol[PROTOTYPE$2], 'toString', function toString() {
	    return this._k;
	  });

	  require$$1$2.f = $getOwnPropertyDescriptor;
	  dP$1.f = $defineProperty;
	  require$$0$11.f = gOPNExt.f = $getOwnPropertyNames;
	  pIE.f = $propertyIsEnumerable;
	  gOPS.f = $getOwnPropertySymbols;

	  if (require$$0$1 && !LIBRARY) {
	    redefine(ObjectProto$1, 'propertyIsEnumerable', $propertyIsEnumerable, true);
	  }

	  wksExt.f = function (name) {
	    return wrap(require$$1$1(name));
	  };
	}

	$export$1($export$1.G + $export$1.W + $export$1.F * !USE_NATIVE, { Symbol: $Symbol });

	for (var es6Symbols = (
	  // 19.4.2.2, 19.4.2.3, 19.4.2.4, 19.4.2.6, 19.4.2.8, 19.4.2.9, 19.4.2.10, 19.4.2.11, 19.4.2.12, 19.4.2.13, 19.4.2.14
	  'hasInstance,isConcatSpreadable,iterator,match,replace,search,species,split,toPrimitive,toStringTag,unscopables'
	).split(','), j = 0; es6Symbols.length > j;)require$$1$1(es6Symbols[j++]);

	for (var wellKnownSymbols = getKeys(require$$1$1.store), k = 0; wellKnownSymbols.length > k;) require$$0$13(wellKnownSymbols[k++]);

	$export$1($export$1.S + $export$1.F * !USE_NATIVE, 'Symbol', {
	  // 19.4.2.1 Symbol.for(key)
	  'for': function (key) {
	    return has(SymbolRegistry, key += '')
	      ? SymbolRegistry[key]
	      : SymbolRegistry[key] = $Symbol(key);
	  },
	  // 19.4.2.5 Symbol.keyFor(sym)
	  keyFor: function keyFor(sym) {
	    if (!isSymbol(sym)) throw TypeError(sym + ' is not a symbol!');
	    for (var key in SymbolRegistry) if (SymbolRegistry[key] === sym) return key;
	  },
	  useSetter: function () { setter = true; },
	  useSimple: function () { setter = false; }
	});

	$export$1($export$1.S + $export$1.F * !USE_NATIVE, 'Object', {
	  // 19.1.2.2 Object.create(O [, Properties])
	  create: $create,
	  // 19.1.2.4 Object.defineProperty(O, P, Attributes)
	  defineProperty: $defineProperty,
	  // 19.1.2.3 Object.defineProperties(O, Properties)
	  defineProperties: $defineProperties,
	  // 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)
	  getOwnPropertyDescriptor: $getOwnPropertyDescriptor,
	  // 19.1.2.7 Object.getOwnPropertyNames(O)
	  getOwnPropertyNames: $getOwnPropertyNames,
	  // 19.1.2.8 Object.getOwnPropertySymbols(O)
	  getOwnPropertySymbols: $getOwnPropertySymbols
	});

	// 24.3.2 JSON.stringify(value [, replacer [, space]])
	$JSON && $export$1($export$1.S + $export$1.F * (!USE_NATIVE || require$$1(function () {
	  var S = $Symbol();
	  // MS Edge converts symbol values to JSON as {}
	  // WebKit converts symbol values to JSON as null
	  // V8 throws on boxed symbols
	  return _stringify([S]) != '[null]' || _stringify({ a: S }) != '{}' || _stringify(Object(S)) != '{}';
	})), 'JSON', {
	  stringify: function stringify(it) {
	    var args = [it];
	    var i = 1;
	    var replacer, $replacer;
	    while (arguments.length > i) args.push(arguments[i++]);
	    $replacer = replacer = args[1];
	    if (!isObject(replacer) && it === undefined || isSymbol(it)) return; // IE8 returns string on undefined
	    if (!isArray(replacer)) replacer = function (key, value) {
	      if (typeof $replacer == 'function') value = $replacer.call(this, key, value);
	      if (!isSymbol(value)) return value;
	    };
	    args[1] = replacer;
	    return _stringify.apply($JSON, args);
	  }
	});

	// 19.4.3.4 Symbol.prototype[@@toPrimitive](hint)
	$Symbol[PROTOTYPE$2][TO_PRIMITIVE] || require$$0$3($Symbol[PROTOTYPE$2], TO_PRIMITIVE, $Symbol[PROTOTYPE$2].valueOf);
	// 19.4.3.5 Symbol.prototype[@@toStringTag]
	setToStringTag($Symbol, 'Symbol');
	// 20.2.1.9 Math[@@toStringTag]
	setToStringTag(Math, 'Math', true);
	// 24.3.3 JSON[@@toStringTag]
	setToStringTag(require$$0.JSON, 'JSON', true);

	require$$0$13('asyncIterator');

	require$$0$13('observable');

	var symbol = core.Symbol;

	var symbol$1 = /*#__PURE__*/Object.freeze({
		default: symbol,
		__moduleExports: symbol
	});

	var require$$0$14 = ( symbol$1 && symbol ) || symbol$1;

	var symbol$2 = createCommonjsModule(function (module) {
	module.exports = { "default": require$$0$14, __esModule: true };
	});

	var symbol$3 = unwrapExports(symbol$2);

	var symbol$4 = /*#__PURE__*/Object.freeze({
		default: symbol$3,
		__moduleExports: symbol$2
	});

	var _iterator = ( iterator$4 && iterator$3 ) || iterator$4;

	var _symbol = ( symbol$4 && symbol$3 ) || symbol$4;

	var _typeof_1 = createCommonjsModule(function (module, exports) {

	exports.__esModule = true;



	var _iterator2 = _interopRequireDefault(_iterator);



	var _symbol2 = _interopRequireDefault(_symbol);

	var _typeof = typeof _symbol2.default === "function" && typeof _iterator2.default === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof _symbol2.default === "function" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? "symbol" : typeof obj; };

	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

	exports.default = typeof _symbol2.default === "function" && _typeof(_iterator2.default) === "symbol" ? function (obj) {
	  return typeof obj === "undefined" ? "undefined" : _typeof(obj);
	} : function (obj) {
	  return obj && typeof _symbol2.default === "function" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? "symbol" : typeof obj === "undefined" ? "undefined" : _typeof(obj);
	};
	});

	var _typeof = unwrapExports(_typeof_1);

	var possibleConstructorReturn = createCommonjsModule(function (module, exports) {

	exports.__esModule = true;



	var _typeof3 = _interopRequireDefault(_typeof_1);

	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

	exports.default = function (self, call) {
	  if (!self) {
	    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
	  }

	  return call && ((typeof call === "undefined" ? "undefined" : (0, _typeof3.default)(call)) === "object" || typeof call === "function") ? call : self;
	};
	});

	var _possibleConstructorReturn = unwrapExports(possibleConstructorReturn);

	// Works with __proto__ only. Old v8 can't work with null proto objects.
	/* eslint-disable no-proto */


	var check = function (O, proto) {
	  anObject(O);
	  if (!isObject(proto) && proto !== null) throw TypeError(proto + ": can't set as prototype!");
	};
	var _setProto = {
	  set: Object.setPrototypeOf || ('__proto__' in {} ? // eslint-disable-line
	    function (test, buggy, set) {
	      try {
	        set = require$$0$2(Function.call, require$$1$2.f(Object.prototype, '__proto__').set, 2);
	        set(test, []);
	        buggy = !(test instanceof Array);
	      } catch (e) { buggy = true; }
	      return function setPrototypeOf(O, proto) {
	        check(O, proto);
	        if (buggy) O.__proto__ = proto;
	        else set(O, proto);
	        return O;
	      };
	    }({}, false) : undefined),
	  check: check
	};
	var _setProto_1 = _setProto.set;
	var _setProto_2 = _setProto.check;

	var _setProto$1 = /*#__PURE__*/Object.freeze({
		default: _setProto,
		__moduleExports: _setProto,
		set: _setProto_1,
		check: _setProto_2
	});

	var require$$0$15 = ( _setProto$1 && _setProto ) || _setProto$1;

	// 19.1.3.19 Object.setPrototypeOf(O, proto)

	$export$1($export$1.S, 'Object', { setPrototypeOf: require$$0$15.set });

	var setPrototypeOf = core.Object.setPrototypeOf;

	var setPrototypeOf$1 = /*#__PURE__*/Object.freeze({
		default: setPrototypeOf,
		__moduleExports: setPrototypeOf
	});

	var require$$0$16 = ( setPrototypeOf$1 && setPrototypeOf ) || setPrototypeOf$1;

	var setPrototypeOf$2 = createCommonjsModule(function (module) {
	module.exports = { "default": require$$0$16, __esModule: true };
	});

	var setPrototypeOf$3 = unwrapExports(setPrototypeOf$2);

	var setPrototypeOf$4 = /*#__PURE__*/Object.freeze({
		default: setPrototypeOf$3,
		__moduleExports: setPrototypeOf$2
	});

	// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])
	$export$1($export$1.S, 'Object', { create: create });

	var $Object = core.Object;
	var create$1 = function create(P, D) {
	  return $Object.create(P, D);
	};

	var create$2 = /*#__PURE__*/Object.freeze({
		default: create$1,
		__moduleExports: create$1
	});

	var require$$0$17 = ( create$2 && create$1 ) || create$2;

	var create$3 = createCommonjsModule(function (module) {
	module.exports = { "default": require$$0$17, __esModule: true };
	});

	var create$4 = unwrapExports(create$3);

	var create$5 = /*#__PURE__*/Object.freeze({
		default: create$4,
		__moduleExports: create$3
	});

	var _setPrototypeOf = ( setPrototypeOf$4 && setPrototypeOf$3 ) || setPrototypeOf$4;

	var _create = ( create$5 && create$4 ) || create$5;

	var inherits = createCommonjsModule(function (module, exports) {

	exports.__esModule = true;



	var _setPrototypeOf2 = _interopRequireDefault(_setPrototypeOf);



	var _create2 = _interopRequireDefault(_create);



	var _typeof3 = _interopRequireDefault(_typeof_1);

	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

	exports.default = function (subClass, superClass) {
	  if (typeof superClass !== "function" && superClass !== null) {
	    throw new TypeError("Super expression must either be null or a function, not " + (typeof superClass === "undefined" ? "undefined" : (0, _typeof3.default)(superClass)));
	  }

	  subClass.prototype = (0, _create2.default)(superClass && superClass.prototype, {
	    constructor: {
	      value: subClass,
	      enumerable: false,
	      writable: true,
	      configurable: true
	    }
	  });
	  if (superClass) _setPrototypeOf2.default ? (0, _setPrototypeOf2.default)(subClass, superClass) : subClass.__proto__ = superClass;
	};
	});

	var _inherits = unwrapExports(inherits);

	/**
	 * Copyright (c) 2013-present, Facebook, Inc.
	 *
	 * This source code is licensed under the MIT license found in the
	 * LICENSE file in the root directory of this source tree.
	 *
	 * 
	 */

	function makeEmptyFunction(arg) {
	  return function () {
	    return arg;
	  };
	}

	/**
	 * This function accepts and discards inputs; it has no side effects. This is
	 * primarily useful idiomatically for overridable function endpoints which
	 * always need to be callable, since JS lacks a null-call idiom ala Cocoa.
	 */
	var emptyFunction = function emptyFunction() {};

	emptyFunction.thatReturns = makeEmptyFunction;
	emptyFunction.thatReturnsFalse = makeEmptyFunction(false);
	emptyFunction.thatReturnsTrue = makeEmptyFunction(true);
	emptyFunction.thatReturnsNull = makeEmptyFunction(null);
	emptyFunction.thatReturnsThis = function () {
	  return this;
	};
	emptyFunction.thatReturnsArgument = function (arg) {
	  return arg;
	};

	var emptyFunction_1 = emptyFunction;

	var emptyFunction$1 = /*#__PURE__*/Object.freeze({
		default: emptyFunction_1,
		__moduleExports: emptyFunction_1
	});

	/**
	 * Copyright (c) 2013-present, Facebook, Inc.
	 *
	 * This source code is licensed under the MIT license found in the
	 * LICENSE file in the root directory of this source tree.
	 *
	 */

	/**
	 * Use invariant() to assert state which your program assumes to be true.
	 *
	 * Provide sprintf-style format (only %s is supported) and arguments
	 * to provide information about what broke and what you were
	 * expecting.
	 *
	 * The invariant message will be stripped in production, but the invariant
	 * will remain to ensure logic does not differ in production.
	 */

	var validateFormat = function validateFormat(format) {};

	{
	  validateFormat = function validateFormat(format) {
	    if (format === undefined) {
	      throw new Error('invariant requires an error message argument');
	    }
	  };
	}

	function invariant(condition, format, a, b, c, d, e, f) {
	  validateFormat(format);

	  if (!condition) {
	    var error;
	    if (format === undefined) {
	      error = new Error('Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.');
	    } else {
	      var args = [a, b, c, d, e, f];
	      var ar