chimee-helper-dom/lib/index.browser.js

dom hanlders of chimee

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

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 _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 _core = createCommonjsModule(function (module) {
var core = module.exports = { version: '2.5.3' };
if (typeof __e == 'number') __e = core; // eslint-disable-line no-undef
});

var _core_1 = _core.version;

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

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

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

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

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

var document$1 = _global.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 _ie8DomDefine = !_descriptors && !_fails(function () {
  return Object.defineProperty(_domCreate('div'), 'a', { get: function () { return 7; } }).a != 7;
});

// 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 dP = Object.defineProperty;

var f = _descriptors ? Object.defineProperty : function defineProperty(O, P, Attributes) {
  _anObject(O);
  P = _toPrimitive(P, true);
  _anObject(Attributes);
  if (_ie8DomDefine) 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 _propertyDesc = function (bitmap, value) {
  return {
    enumerable: !(bitmap & 1),
    configurable: !(bitmap & 2),
    writable: !(bitmap & 4),
    value: value
  };
};

var _hide = _descriptors ? function (object, key, value) {
  return _objectDp.f(object, key, _propertyDesc(1, value));
} : function (object, key, value) {
  object[key] = value;
  return object;
};

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 ? _global : IS_STATIC ? _global[name] : (_global[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 && key in exports) 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 ? _ctx(out, _global)
    // 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' ? _ctx(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]) _hide(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 hasOwnProperty = {}.hasOwnProperty;
var _has = function (it, key) {
  return hasOwnProperty.call(it, key);
};

var toString = {}.toString;

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

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

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


var _toIobject = function (it) {
  return _iobject(_defined(it));
};

// 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);
};

// 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 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);
};

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

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

var shared = _shared('keys');

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

var arrayIndexOf = _arrayIncludes(false);
var IE_PROTO = _sharedKey('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;
};

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

// 19.1.2.14 / 15.2.3.14 Object.keys(O)



var _objectKeys = Object.keys || function keys(O) {
  return _objectKeysInternal(O, _enumBugKeys);
};

var f$1 = Object.getOwnPropertySymbols;

var _objectGops = {
	f: f$1
};

var f$2 = {}.propertyIsEnumerable;

var _objectPie = {
	f: f$2
};

// 7.1.13 ToObject(argument)

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

// 19.1.2.1 Object.assign(target, source, ...)





var $assign = Object.assign;

// should work with symbols and should have deterministic property order (V8 bug)
var _objectAssign = !$assign || _fails(function () {
  var A = {};
  var B = {};
  // eslint-disable-next-line no-undef
  var S = Symbol();
  var K = 'abcdefghijklmnopqrst';
  A[S] = 7;
  K.split('').forEach(function (k) { B[k] = k; });
  return $assign({}, A)[S] != 7 || Object.keys($assign({}, B)).join('') != K;
}) ? function assign(target, source) { // eslint-disable-line no-unused-vars
  var T = _toObject(target);
  var aLen = arguments.length;
  var index = 1;
  var getSymbols = _objectGops.f;
  var isEnum = _objectPie.f;
  while (aLen > index) {
    var S = _iobject(arguments[index++]);
    var keys = getSymbols ? _objectKeys(S).concat(getSymbols(S)) : _objectKeys(S);
    var length = keys.length;
    var j = 0;
    var key;
    while (length > j) if (isEnum.call(S, key = keys[j++])) T[key] = S[key];
  } return T;
} : $assign;

// 19.1.3.1 Object.assign(target, source)


_export(_export.S + _export.F, 'Object', { assign: _objectAssign });

var assign$1 = _core.Object.assign;

var assign = createCommonjsModule(function (module) {
module.exports = { "default": assign$1, __esModule: true };
});

var _Object$assign = unwrapExports(assign);

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);

// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)
_export(_export.S + _export.F * !_descriptors, 'Object', { defineProperty: _objectDp.f });

var $Object = _core.Object;
var defineProperty$2 = function defineProperty(it, key, desc) {
  return $Object.defineProperty(it, key, desc);
};

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

unwrapExports(defineProperty);

var createClass = createCommonjsModule(function (module, exports) {
exports.__esModule = true;



var _defineProperty2 = _interopRequireDefault(defineProperty);

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

exports.default = function () {
  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;
      (0, _defineProperty2.default)(target, descriptor.key, descriptor);
    }
  }

  return function (Constructor, protoProps, staticProps) {
    if (protoProps) defineProperties(Constructor.prototype, protoProps);
    if (staticProps) defineProperties(Constructor, staticProps);
    return Constructor;
  };
}();
});

var _createClass = unwrapExports(createClass);

// 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 _library = true;

var _redefine = _hide;

var _iterators = {};

var _objectDps = _descriptors ? Object.defineProperties : function defineProperties(O, Properties) {
  _anObject(O);
  var keys = _objectKeys(Properties);
  var length = keys.length;
  var i = 0;
  var P;
  while (length > i) _objectDp.f(O, P = keys[i++], Properties[P]);
  return O;
};

var document$2 = _global.document;
var _html = document$2 && document$2.documentElement;

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



var IE_PROTO$1 = _sharedKey('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 = _domCreate('iframe');
  var i = _enumBugKeys.length;
  var lt = '<';
  var gt = '>';
  var iframeDocument;
  iframe.style.display = 'none';
  _html.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][_enumBugKeys[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 : _objectDps(result, Properties);
};

var _wks = createCommonjsModule(function (module) {
var store = _shared('wks');

var Symbol = _global.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 def = _objectDp.f;

var TAG = _wks('toStringTag');

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

var IteratorPrototype = {};

// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()
_hide(IteratorPrototype, _wks('iterator'), function () { return this; });

var _iterCreate = function (Constructor, NAME, next) {
  Constructor.prototype = _objectCreate(IteratorPrototype, { next: _propertyDesc(1, next) });
  _setToStringTag(Constructor, NAME + ' Iterator');
};

// 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O)


var IE_PROTO$2 = _sharedKey('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 ITERATOR = _wks('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 = (!BUGGY && $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 = _objectGpo($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 && !_has(IteratorPrototype, ITERATOR)) _hide(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])) {
    _hide(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(_export.P + _export.F * (BUGGY || VALUES_BUG), NAME, methods);
  }
  return methods;
};

var $at = _stringAt(true);

// 21.1.3.27 String.prototype[@@iterator]()
_iterDefine(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 };
});

// call something on iterator step with safe closing on error

var _iterCall = function (iterator, fn, value, entries) {
  try {
    return entries ? fn(_anObject(value)[0], value[1]) : fn(value);
  // 7.4.6 IteratorClose(iterator, completion)
  } catch (e) {
    var ret = iterator['return'];
    if (ret !== undefined) _anObject(ret.call(iterator));
    throw e;
  }
};

// check on default Array iterator

var ITERATOR$1 = _wks('iterator');
var ArrayProto = Array.prototype;

var _isArrayIter = function (it) {
  return it !== undefined && (_iterators.Array === it || ArrayProto[ITERATOR$1] === it);
};

var _createProperty = function (object, index, value) {
  if (index in object) _objectDp.f(object, index, _propertyDesc(0, value));
  else object[index] = value;
};

// getting tag from 19.1.3.6 Object.prototype.toString()

var TAG$1 = _wks('toStringTag');
// ES3 wrong here
var ARG = _cof(function () { return arguments; }()) == 'Arguments';

// fallback for IE11 Script Access Denied error
var tryGet = function (it, key) {
  try {
    return it[key];
  } catch (e) { /* empty */ }
};

var _classof = function (it) {
  var O, T, B;
  return it === undefined ? 'Undefined' : it === null ? 'Null'
    // @@toStringTag case
    : typeof (T = tryGet(O = Object(it), TAG$1)) == 'string' ? T
    // builtinTag case
    : ARG ? _cof(O)
    // ES3 arguments fallback
    : (B = _cof(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : B;
};

var ITERATOR$2 = _wks('iterator');

var core_getIteratorMethod = _core.getIteratorMethod = function (it) {
  if (it != undefined) return it[ITERATOR$2]
    || it['@@iterator']
    || _iterators[_classof(it)];
};

var ITERATOR$3 = _wks('iterator');
var SAFE_CLOSING = false;

try {
  var riter = [7][ITERATOR$3]();
  riter['return'] = function () { SAFE_CLOSING = true; };
  // eslint-disable-next-line no-throw-literal
  
} catch (e) { /* empty */ }

var _iterDetect = function (exec, skipClosing) {
  if (!skipClosing && !SAFE_CLOSING) return false;
  var safe = false;
  try {
    var arr = [7];
    var iter = arr[ITERATOR$3]();
    iter.next = function () { return { done: safe = true }; };
    arr[ITERATOR$3] = function () { return iter; };
    exec(arr);
  } catch (e) { /* empty */ }
  return safe;
};

_export(_export.S + _export.F * !_iterDetect(function (iter) {  }), 'Array', {
  // 22.1.2.1 Array.from(arrayLike, mapfn = undefined, thisArg = undefined)
  from: function from(arrayLike /* , mapfn = undefined, thisArg = undefined */) {
    var O = _toObject(arrayLike);
    var C = typeof this == 'function' ? this : Array;
    var aLen = arguments.length;
    var mapfn = aLen > 1 ? arguments[1] : undefined;
    var mapping = mapfn !== undefined;
    var index = 0;
    var iterFn = core_getIteratorMethod(O);
    var length, result, step, iterator;
    if (mapping) mapfn = _ctx(mapfn, aLen > 2 ? arguments[2] : undefined, 2);
    // if object isn't iterable or it's array with default iterator - use simple case
    if (iterFn != undefined && !(C == Array && _isArrayIter(iterFn))) {
      for (iterator = iterFn.call(O), result = new C(); !(step = iterator.next()).done; index++) {
        _createProperty(result, index, mapping ? _iterCall(iterator, mapfn, [step.value, index], true) : step.value);
      }
    } else {
      length = _toLength(O.length);
      for (result = new C(length); length > index; index++) {
        _createProperty(result, index, mapping ? mapfn(O[index], index) : O[index]);
      }
    }
    result.length = index;
    return result;
  }
});

var from$1 = _core.Array.from;

var from = createCommonjsModule(function (module) {
module.exports = { "default": from$1, __esModule: true };
});

var _Array$from = unwrapExports(from);

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

// 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 = _iterDefine(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 _iterStep(1);
  }
  if (kind == 'keys') return _iterStep(0, index);
  if (kind == 'values') return _iterStep(0, O[index]);
  return _iterStep(0, [index, O[index]]);
}, 'values');

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

var TO_STRING_TAG = _wks('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 = _global[NAME];
  var proto = Collection && Collection.prototype;
  if (proto && !proto[TO_STRING_TAG]) _hide(proto, TO_STRING_TAG, NAME);
  _iterators[NAME] = _iterators.Array;
}

var f$3 = _wks;

var _wksExt = {
	f: f$3
};

var iterator$2 = _wksExt.f('iterator');

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

unwrapExports(iterator);

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


var setDesc = _objectDp.f;
var id = 0;
var isExtensible = Object.isExtensible || function () {
  return true;
};
var FREEZE = !_fails(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 defineProperty$4 = _objectDp.f;
var _wksDefine = function (name) {
  var $Symbol = _core.Symbol || (_core.Symbol = _library ? {} : _global.Symbol || {});
  if (name.charAt(0) != '_' && !(name in $Symbol)) defineProperty$4($Symbol, name, { value: _wksExt.f(name) });
};

// all enumerable object keys, includes symbols



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

// 7.2.2 IsArray(argument)

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

// 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)

var hiddenKeys = _enumBugKeys.concat('length', 'prototype');

var f$5 = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
  return _objectKeysInternal(O, hiddenKeys);
};

var _objectGopn = {
	f: f$5
};

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

var gOPN$1 = _objectGopn.f;
var toString$1 = {}.toString;

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

var getWindowNames = function (it) {
  try {
    return gOPN$1(it);
  } catch (e) {
    return windowNames.slice();
  }
};

var f$4 = function getOwnPropertyNames(it) {
  return windowNames && toString$1.call(it) == '[object Window]' ? getWindowNames(it) : gOPN$1(_toIobject(it));
};

var _objectGopnExt = {
	f: f$4
};

var gOPD$1 = Object.getOwnPropertyDescriptor;

var f$6 = _descriptors ? gOPD$1 : function getOwnPropertyDescriptor(O, P) {
  O = _toIobject(O);
  P = _toPrimitive(P, true);
  if (_ie8DomDefine) try {
    return gOPD$1(O, P);
  } catch (e) { /* empty */ }
  if (_has(O, P)) return _propertyDesc(!_objectPie.f.call(O, P), O[P]);
};

var _objectGopd = {
	f: f$6
};

// ECMAScript 6 symbols shim





var META = _meta.KEY;



















var gOPD = _objectGopd.f;
var dP$2 = _objectDp.f;
var gOPN = _objectGopnExt.f;
var $Symbol = _global.Symbol;
var $JSON = _global.JSON;
var _stringify = $JSON && $JSON.stringify;
var PROTOTYPE$2 = 'prototype';
var HIDDEN = _wks('_hidden');
var TO_PRIMITIVE = _wks('toPrimitive');
var isEnum = {}.propertyIsEnumerable;
var SymbolRegistry = _shared('symbol-registry');
var AllSymbols = _shared('symbols');
var OPSymbols = _shared('op-symbols');
var ObjectProto$1 = Object[PROTOTYPE$2];
var USE_NATIVE = typeof $Symbol == 'function';
var QObject = _global.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 = _descriptors && _fails(function () {
  return _objectCreate(dP$2({}, 'a', {
    get: function () { return dP$2(this, 'a', { value: 7 }).a; }
  })).a != 7;
}) ? function (it, key, D) {
  var protoDesc = gOPD(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] = _objectCreate($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, _propertyDesc(1, {}));
      it[HIDDEN][key] = true;
    } else {
      if (_has(it, HIDDEN) && it[HIDDEN][key]) it[HIDDEN][key] = false;
      D = _objectCreate(D, { enumerable: _propertyDesc(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(it, P) {
  return P === undefined ? _objectCreate(it) : $defineProperties(_objectCreate(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(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(_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(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, _propertyDesc(1, value));
    };
    if (_descriptors && setter) setSymbolDesc(ObjectProto$1, tag, { configurable: true, set: $set });
    return wrap(tag);
  };
  _redefine($Symbol[PROTOTYPE$2], 'toString', function toString() {
    return this._k;
  });

  _objectGopd.f = $getOwnPropertyDescriptor;
  _objectDp.f = $defineProperty;
  _objectGopn.f = _objectGopnExt.f = $getOwnPropertyNames;
  _objectPie.f = $propertyIsEnumerable;
  _objectGops.f = $getOwnPropertySymbols;

  if (_descriptors && !_library) {
    _redefine(ObjectProto$1, 'propertyIsEnumerable', $propertyIsEnumerable, true);
  }

  _wksExt.f = function (name) {
    return wrap(_wks(name));
  };
}

_export(_export.G + _export.W + _export.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;)_wks(es6Symbols[j++]);

for (var wellKnownSymbols = _objectKeys(_wks.store), k = 0; wellKnownSymbols.length > k;) _wksDefine(wellKnownSymbols[k++]);

_export(_export.S + _export.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(_export.S + _export.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(_export.S + _export.F * (!USE_NATIVE || _fails(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$2][TO_PRIMITIVE] || _hide($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(_global.JSON, 'JSON', true);

_wksDefine('asyncIterator');

_wksDefine('observable');

var symbol$2 = _core.Symbol;

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

unwrapExports(symbol);

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);

// most Object methods by ES6 should accept primitives



var _objectSap = function (KEY, exec) {
  var fn = (_core.Object || {})[KEY] || Object[KEY];
  var exp = {};
  exp[KEY] = exec(fn);
  _export(_export.S + _export.F * _fails(function () { fn(1); }), 'Object', exp);
};

// 19.1.2.14 Object.keys(O)



_objectSap('keys', function () {
  return function keys(it) {
    return _objectKeys(_toObject(it));
  };
});

var keys$1 = _core.Object.keys;

var keys = createCommonjsModule(function (module) {
module.exports = { "default": keys$1, __esModule: true };
});

unwrapExports(keys);

// 20.1.2.3 Number.isInteger(number)

var floor$1 = Math.floor;
var _isInteger = function isInteger(it) {
  return !_isObject(it) && isFinite(it) && floor$1(it) === it;
};

// 20.1.2.3 Number.isInteger(number)


_export(_export.S, 'Number', { isInteger: _isInteger });

var isInteger$2 = _core.Number.isInteger;

var isInteger$1 = createCommonjsModule(function (module) {
module.exports = { "default": isInteger$2, __esModule: true };
});

unwrapExports(isInteger$1);

var _stringWs = '\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003' +
  '\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF';

var space = '[' + _stringWs + ']';
var non = '\u200b\u0085';
var ltrim = RegExp('^' + space + space + '*');
var rtrim = RegExp(space + space + '*$');

var exporter = function (KEY, exec, ALIAS) {
  var exp = {};
  var FORCE = _fails(function () {
    return !!_stringWs[KEY]() || non[KEY]() != non;
  });
  var fn = exp[KEY] = FORCE ? exec(trim) : _stringWs[KEY];
  if (ALIAS) exp[ALIAS] = fn;
  _export(_export.P + _export.F * FORCE, 'String', exp);
};

// 1 -> String#trimLeft
// 2 -> String#trimRight
// 3 -> String#trim
var trim = exporter.trim = function (string, TYPE) {
  string = String(_defined(string));
  if (TYPE & 1) string = string.replace(ltrim, '');
  if (TYPE & 2) string = string.replace(rtrim, '');
  return string;
};

var _stringTrim = exporter;

var $parseFloat = _global.parseFloat;
var $trim = _stringTrim.trim;

var _parseFloat$3 = 1 / $parseFloat(_stringWs + '-0') !== -Infinity ? function parseFloat(str) {
  var string = $trim(String(str), 3);
  var result = $parseFloat(string);
  return result === 0 && string.charAt(0) == '-' ? -0 : result;
} : $parseFloat;

// 20.1.2.12 Number.parseFloat(string)
_export(_export.S + _export.F * (Number.parseFloat != _parseFloat$3), 'Number', { parseFloat: _parseFloat$3 });

var _parseFloat$1 = parseFloat;

var _parseFloat = createCommonjsModule(function (module) {
module.exports = { "default": _parseFloat$1, __esModule: true };
});

unwrapExports(_parseFloat);

/**
 * toxic-predicate-functions v0.1.5
 * (c) 2017 toxic-johann
 * Released under MIT
 */

/**
 * to check whether a variable is array
 */
function isArray(arr) {
  return Array.isArray(arr);
}

/**
 * is it a function or not
 */
function isFunction(obj) {
  return typeof obj === 'function';
}

/**
 * is it an object or not
 */
function isObject$1(obj) {
  // incase of arrow function and array
  return Object(obj) === obj && String(obj) === '[object Object]' && !isFunction(obj) && !isArray(obj);
}
/**
 * is it a string
 */
function isString(str) {
  return typeof str === 'string' || str instanceof String;
}
/**
 * is Boolean or not
 */
function isBoolean(bool) {
  return typeof bool === 'boolean';
}

// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])
_export(_export.S, 'Object', { create: _objectCreate });

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

var create = createCommonjsModule(function (module) {
module.exports = { "default": create$1, __esModule: true };
});

var _Object$create = unwrapExports(create);

/**
 * chimee-helper-events v0.1.0
 * (c) 2017 toxic-johann
 * Released under MIT
 */

/**
* @module event
* @author huzunjie
* @description 自定义事件基础类
*/

/* 缓存事件监听方法及包装，内部数据格式：
 * targetIndex_<type:'click|mouseup|done'>: [ [
 *   function(){ ... handler ... },
 *   function(){ ... handlerWrap ... handler.apply(target, arguments) ... },
 *   isOnce
 * ]]
 */
var _evtListenerCache = _Object$create(null);
_evtListenerCache.count = 0;

/**
 * 得到某对象的某事件类型对应的监听队列数组
 * @param  {Object}  target 发生事件的对象
 * @param {String} type 事件类型(这里的时间类型不只是名称，还是缓存标识，可以通过添加后缀来区分)
 * @return {Array}
 */
function getEvtTypeCache(target, type) {

  var evtId = target.__evt_id;
  if (!evtId) {

    /* 设置__evt_id不可枚举 */
    Object.defineProperty(target, '__evt_id', {
      writable: true,
      enumerable: false,
      configurable: true
    });

    /* 空对象初始化绑定索引 */
    evtId = target.__evt_id = ++_evtListenerCache.count;
  }

  var typeCacheKey = evtId + '_' + type;
  var evtTypeCache = _evtListenerCache[typeCacheKey];
  if (!evtTypeCache) {
    evtTypeCache = _evtListenerCache[typeCacheKey] = [];
  }

  return evtTypeCache;
}

/**
 * 触发事件监听方法
 * @param  {Object}  target 发生事件的对象
 * @param {String} type 事件类型
 * @param {Object} eventObj 触发事件时要传回的event对象
 * @return {undefined}
 */
function emitEventCache(target, type, eventObj) {
  var evt = _Object$create(null);
  evt.type = type;
  evt.target = target;
  if (eventObj) {
    _Object$assign(evt, isObject$1(eventObj) ? eventObj : { data: eventObj });
  }
  getEvtTypeCache(target, type).forEach(function (item) {
    (item[1] || item[0]).apply(target, [evt]);
  });
}

/**
 * 添加事件监听到缓存
 * @param  {Object}  target 发生事件的对象
 * @param {String} type 事件类型
 * @param {Function} handler 监听函数
 * @param {Boolean} isOnce 是否单次执行
 * @param {Function} handlerWrap
 * @return {undefined}
 */
function addEventCache(target, type, handler) {
  var isOnce = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
  var handlerWrap = arguments[4];

  if (isFunction(isOnce) && !handlerWrap) {
    handlerWrap = isOnce;
    isOnce = undefined;
  }
  var handlers = [handler, undefined, isOnce];
  if (isOnce && !handlerWrap) {
    handlerWrap = function handlerWrap() {
      removeEventCache(target, type, handler, isOnce);

      for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
        args[_key] = arguments[_key];
      }

      handler.apply(target, args);
    };
  }
  if (handlerWrap) {
    handlers[1] = handlerWrap;
  }
  getEvtTypeCache(target, type).push(handlers);
}

/**
 * 移除事件监听
 * @param  {Object}  target 发生事件的对象
 * @param {String} type 事件类型
 * @param {Function} handler 监听函数
 * @return {undefined}
 */
function removeEventCache(target, type, handler) {
  var isOnce = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;

  var typeCache = getEvtTypeCache(target, type);

  if (handler || isOnce) {
    /* 有指定 handler 则清除对应监听 */
    var handlerId = -1;
    var handlerWrap = void 0;
    typeCache.find(function (item, i) {
      if ((!handler || item[0] === handler) && (!isOnce || item[2])) {
        handlerId = i;
        handlerWrap = item[1];
        return true;
      }
    });
    if (handlerId !== -1) {
      typeCache.splice(handlerId, 1);
    }
    return handlerWrap;
  } else {
    /* 未指定 handler 则清除type对应的所有监听 */
    typeCache.length = 0;
  }
}

/**
 * @class CustEvent
 * @description
 * Event 自定义事件类
 * 1. 可以使用不传参得到的实例作为eventBus使用
 * 2. 可以通过指定target，用多个实例操作同一target对象的事件管理
 * 3. 当设定target时，可以通过设置assign为true，来给target实现"on\once\off\emit"方法
 * @param  {Object}  target 发生事件的对象（空则默认为event实例）
 * @param  {Boolean}  assign 是否将"on\once\off\emit"方法实现到target对象上
 * @return {event}
 */
var CustEvent = function () {
  function CustEvent(target, assign$$1) {
    var _this = this;

    _classCallCheck(this, CustEvent);

    /* 设置__target不可枚举 */
    Object.defineProperty(this, '__target', {
      writable: true,
      enumerable: false,
      configurable: true
    });
    this.__target = this;

    if (target) {

      if ((typeof target === 'undefined' ? 'undefined' : _typeof(target)) !== 'object') {
        throw new Error('CusEvent target are not object');
      }
      this.__target = target;

      /* 为target实现on\once\off\emit */
      if (assign$$1) {
        ['on', 'once', 'off', 'emit'].forEach(function (mth) {
          target[mth] = _this[mth];
        });
      }
    }
  }

  /**
   * 添加事件监听
   * @param {String} type 事件类型
   * @param {Function} handler 监听函数
   * @param {Boolean} isOnce 单次监听类型
   * @return {event}
   */


  _createClass(CustEvent, [{
    key: 'on',
    value: function on(type, handler) {
      var isOnce = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;

      addEventCache(this.__target, type, handler, isOnce);
      return this;
    }

    /**
     * 添加事件监听,并且只执行一次
     * @param {String} type 事件类型
     * @param {Function} handler 监听函数
     * @return {event}
     */

  }, {
    key: 'once',
    value: function once(type, handler) {
      return this.on(type, handler, true);
    }

    /**
     * 移除事件监听
     * @param {String} type 事件类型
     * @param {Function} handler 监听函数(不指定handler则清除type对应的所有事件监听)
     * @param {Boolean} isOnce 单次监听类型
     * @return {event}
     */

  }, {
    key: 'off',
    value: function off(type, handler) {
      var isOnce = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;

      removeEventCache(this.__target, type, handler, isOnce);
      return this;
    }

    /**
     * 触发事件监听函数
     * @param {String} type 事件类型
     * @return {event}
     */

  }, {
    key: 'emit',
    value: function emit(type, data) {
      emitEventCache(this.__target, type, { data: data });
      return this;
    }
  }]);

  return CustEvent;
}();

var toConsumableArray = createCommonjsModule(function (module, exports) {
exports.__esModule = true;



var _from2 = _interopRequireDefault(from);

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

exports.default = function (arr) {
  if (Array.isArray(arr)) {
    for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) {
      arr2[i] = arr[i];
    }

    return arr2;
  } else {
    return (0, _from2.default)(arr);
  }
};
});

unwrapExports(toConsumableArray);

var _anInstance = function (it, Constructor, name, forbiddenField) {
  if (!(it instanceof Constructor) || (forbiddenField !== undefined && forbiddenField in it)) {
    throw TypeError(name + ': incorrect invocation!');
  } return it;
};

var _forOf = createCommonjsModule(function (module) {
var BREAK = {};
var RETURN = {};
var exports = module.exports = function (iterable, entries, fn, that, ITERATOR) {
  var iterFn = ITERATOR ? function () { return iterable; } : core_getIteratorMethod(iterable);
  var f = _ctx(fn, that, entries ? 2 : 1);
  var index = 0;
  var length, step, iterator, result;
  if (typeof iterFn != 'function') throw TypeError(iterable + ' is not iterable!');
  // fast case for arrays with default iterator
  if (_isArrayIter(iterFn)) for (length = _toLength(iterable.length); length > index; index++) {
    result = entries ? f(_anObject(step = iterable[index])[0], step[1]) : f(iterable[index]);
    if (result === BREAK || result === RETURN) return result;
  } else for (iterator = iterFn.call(iterable); !(step = iterator.next()).done;) {
    result = _iterCall(iterator, f, step.value, entries);
    if (result === BREAK || result === RETURN) return result;
  }
};
exports.BREAK = BREAK;
exports.RETURN = RETURN;
});

// 7.3.20 SpeciesConstructor(O, defaultConstructor)


var SPECIES = _wks('species');
var _speciesConstructor = function (O, D) {
  var C = _anObject(O).constructor;
  var S;
  return C === undefined || (S = _anObject(C)[SPECIES]) == undefined ? D : _aFunction(S);
};

// fast apply, http://jsperf.lnkit.com/fast-apply/5
var _invoke = function (fn, args, that)