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(function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory() : typeof define === 'function' && define.amd ? define(factory) : (factory()); }(this, (function () { 'use strict'; function unwrapExports (x) { return x && x.__esModule ? x['default'] : x; } function createCommonjsModule(fn, module) { return module = { exports: {} }, fn(module, module.exports), module.exports; } // 7.2.1 RequireObjectCoercible(argument) var _defined = function(it){ if(it == undefined)throw TypeError("Can't call method on " + it); return it; }; // 7.1.13 ToObject(argument) var _toObject = function(it){ return Object(_defined(it)); }; var hasOwnProperty = {}.hasOwnProperty; var _has = function(it, key){ return hasOwnProperty.call(it, key); }; var toString$2 = {}.toString; var _cof = function(it){ return toString$2.call(it).slice(8, -1); }; // fallback for non-array-like ES3 and non-enumerable old V8 strings var _iobject = Object('z').propertyIsEnumerable(0) ? Object : function(it){ return _cof(it) == 'String' ? it.split('') : Object(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 _toIndex = 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) , length = _toLength(O.length) , index = _toIndex(fromIndex, length) , value; // Array#includes uses SameValueZero equality algorithm if(IS_INCLUDES && el != el)while(length > index){ value = O[index++]; if(value != value)return true; // Array#toIndex 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 _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 : Function('return this')(); if(typeof __g == 'number')__g = global; // eslint-disable-line no-undef }); 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) , i = 0 , result = [] , 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 _core = createCommonjsModule(function (module) { var core = module.exports = {version: '2.4.0'}; if(typeof __e == 'number')__e = core; // eslint-disable-line no-undef }); 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; 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 , IS_GLOBAL = type & $export.G , IS_STATIC = type & $export.S , IS_PROTO = type & $export.P , IS_BIND = type & $export.B , IS_WRAP = type & $export.W , exports = IS_GLOBAL ? _core : _core[name] || (_core[name] = {}) , expProto = exports[PROTOTYPE] , target = IS_GLOBAL ? _global : IS_STATIC ? _global[name] : (_global[name] || {})[PROTOTYPE] , 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; // most Object methods by ES6 should accept primitives var _objectSap = function(KEY, exec){ var fn = (_core.Object || {})[KEY] || Object[KEY] , 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$1, __esModule: true }; }); var _Object$keys = unwrapExports(keys); // true -> String#at // false -> String#codePointAt var _stringAt = function(TO_STRING){ return function(that, pos){ var s = String(_defined(that)) , i = _toInteger(pos) , l = s.length , 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) , length = keys.length , i = 0 , P; while(length > i)_objectDp.f(O, P = keys[i++], Properties[P]); return O; }; var _html = _global.document && document.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') , i = _enumBugKeys.length , lt = '<' , gt = '>' , 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') , Symbol = _global.Symbol , 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()); 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' , DEF_VALUES = DEFAULT == VALUES , VALUES_BUG = false , proto = Base.prototype , $native = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT] , $default = $native || getMethod(DEFAULT) , $entries = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined , $anyNative = NAME == 'Array' ? proto.entries || $native : $native , methods, key, IteratorPrototype; // Fix native if($anyNative){ IteratorPrototype = _objectGpo($anyNative.call(new Base)); if(IteratorPrototype !== Object.prototype){ // 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 , index = this._i , 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 _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 , kind = this._k , 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; _addToUnscopables('keys'); _addToUnscopables('values'); _addToUnscopables('entries'); var TO_STRING_TAG = _wks('toStringTag'); for(var collections = ['NodeList', 'DOMTokenList', 'MediaList', 'StyleSheetList', 'CSSRuleList'], i = 0; i < 5; i++){ var NAME = collections[i] , Collection = _global[NAME] , proto = Collection && Collection.prototype; if(proto && !proto[TO_STRING_TAG])_hide(proto, TO_STRING_TAG, NAME); _iterators[NAME] = _iterators.Array; } var f$1 = _wks; var _wksExt = { f: f$1 }; var iterator$2 = _wksExt.f('iterator'); var iterator = createCommonjsModule(function (module) { module.exports = { "default": iterator$2, __esModule: true }; }); var _meta = createCommonjsModule(function (module) { var META = _uid('meta') , setDesc = _objectDp.f , 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 defineProperty = _objectDp.f; var _wksDefine = function(name){ var $Symbol = _core.Symbol || (_core.Symbol = _library ? {} : _global.Symbol || {}); if(name.charAt(0) != '_' && !(name in $Symbol))defineProperty($Symbol, name, {value: _wksExt.f(name)}); }; var _keyof = function(object, el){ var O = _toIobject(object) , keys = _objectKeys(O) , length = keys.length , index = 0 , key; while(length > index)if(O[key = keys[index++]] === el)return key; }; var f$2 = Object.getOwnPropertySymbols; var _objectGops = { f: f$2 }; var f$3 = {}.propertyIsEnumerable; var _objectPie = { f: f$3 }; // all enumerable object keys, includes symbols var _enumKeys = function(it){ var result = _objectKeys(it) , getSymbols = _objectGops.f; if(getSymbols){ var symbols = getSymbols(it) , isEnum = _objectPie.f , i = 0 , 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$3 = {}.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$3.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$1 = _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$1({}, 'a', { get: function(){ return dP$1(this, 'a', {value: 7}).a; } })).a != 7; }) ? function(it, key, D){ var protoDesc = gOPD(ObjectProto$1, key); if(protoDesc)delete ObjectProto$1[key]; dP$1(it, key, D); if(protoDesc && it !== ObjectProto$1)dP$1(ObjectProto$1, key, protoDesc); } : dP$1; var wrap = function(tag){ var sym = AllSymbols[tag] = _objectCreate($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$1(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$1(it, key, D); }; var $defineProperties = function defineProperties(it, P){ _anObject(it); var keys = _enumKeys(P = _toIobject(P)) , i = 0 , l = keys.length , key; while(l > i)$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)) , result = [] , i = 0 , 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 , names = gOPN(IS_OP ? OPSymbols : _toIobject(it)) , result = [] , i = 0 , 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 symbols = ( // 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(','), i$1 = 0; symbols.length > i$1; )_wks(symbols[i$1++]); for(var symbols = _objectKeys(_wks.store), i$1 = 0; symbols.length > i$1; )_wksDefine(symbols[i$1++]); _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(key){ if(isSymbol(key))return _keyof(SymbolRegistry, key); throw TypeError(key + ' is not a symbol!'); }, 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){ if(it === undefined || isSymbol(it))return; // IE8 returns string on undefined var args = [it] , i = 1 , replacer, $replacer; while(arguments.length > i)args.push(arguments[i++]); replacer = args[1]; if(typeof replacer == 'function')$replacer = replacer; if($replacer || !_isArray(replacer))replacer = function(key, value){ if($replacer)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 index = _core.Symbol; var symbol = createCommonjsModule(function (module) { module.exports = { "default": index, __esModule: true }; }); var _Symbol = unwrapExports(symbol); var _typeof_1 = createCommonjsModule(function (module, exports) { "use strict"; 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); // getting tag from 19.1.3.6 Object.prototype.toString() var TAG$1 = _wks('toStringTag'); 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$1 = _wks('iterator'); var core_getIteratorMethod = _core.getIteratorMethod = function(it){ if(it != undefined)return it[ITERATOR$1] || it['@@iterator'] || _iterators[_classof(it)]; }; var core_getIterator = _core.getIterator = function(it){ var iterFn = core_getIteratorMethod(it); if(typeof iterFn != 'function')throw TypeError(it + ' is not iterable!'); return _anObject(iterFn.call(it)); }; var getIterator$1 = core_getIterator; var getIterator = createCommonjsModule(function (module) { module.exports = { "default": getIterator$1, __esModule: true }; }); var _getIterator = unwrapExports(getIterator); // 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$1 = createCommonjsModule(function (module) { module.exports = { "default": defineProperty$2, __esModule: true }; }); var _Object$defineProperty = unwrapExports(defineProperty$1); var index$5 = { "aliceblue": [240, 248, 255], "antiquewhite": [250, 235, 215], "aqua": [0, 255, 255], "aquamarine": [127, 255, 212], "azure": [240, 255, 255], "beige": [245, 245, 220], "bisque": [255, 228, 196], "black": [0, 0, 0], "blanchedalmond": [255, 235, 205], "blue": [0, 0, 255], "blueviolet": [138, 43, 226], "brown": [165, 42, 42], "burlywood": [222, 184, 135], "cadetblue": [95, 158, 160], "chartreuse": [127, 255, 0], "chocolate": [210, 105, 30], "coral": [255, 127, 80], "cornflowerblue": [100, 149, 237], "cornsilk": [255, 248, 220], "crimson": [220, 20, 60], "cyan": [0, 255, 255], "darkblue": [0, 0, 139], "darkcyan": [0, 139, 139], "darkgoldenrod": [184, 134, 11], "darkgray": [169, 169, 169], "darkgreen": [0, 100, 0], "darkgrey": [169, 169, 169], "darkkhaki": [189, 183, 107], "darkmagenta": [139, 0, 139], "darkolivegreen": [85, 107, 47], "darkorange": [255, 140, 0], "darkorchid": [153, 50, 204], "darkred": [139, 0, 0], "darksalmon": [233, 150, 122], "darkseagreen": [143, 188, 143], "darkslateblue": [72, 61, 139], "darkslategray": [47, 79, 79], "darkslategrey": [47, 79, 79], "darkturquoise": [0, 206, 209], "darkviolet": [148, 0, 211], "deeppink": [255, 20, 147], "deepskyblue": [0, 191, 255], "dimgray": [105, 105, 105], "dimgrey": [105, 105, 105], "dodgerblue": [30, 144, 255], "firebrick": [178, 34, 34], "floralwhite": [255, 250, 240], "forestgreen": [34, 139, 34], "fuchsia": [255, 0, 255], "gainsboro": [220, 220, 220], "ghostwhite": [248, 248, 255], "gold": [255, 215, 0], "goldenrod": [218, 165, 32], "gray": [128, 128, 128], "green": [0, 128, 0], "greenyellow": [173, 255, 47], "grey": [128, 128, 128], "honeydew": [240, 255, 240], "hotpink": [255, 105, 180], "indianred": [205, 92, 92], "indigo": [75, 0, 130], "ivory": [255, 255, 240], "khaki": [240, 230, 140], "lavender": [230, 230, 250], "lavenderblush": [255, 240, 245], "lawngreen": [124, 252, 0], "lemonchiffon": [255, 250, 205], "lightblue": [173, 216, 230], "lightcoral": [240, 128, 128], "lightcyan": [224, 255, 255], "lightgoldenrodyellow": [250, 250, 210], "lightgray": [211, 211, 211], "lightgreen": [144, 238, 144], "lightgrey": [211, 211, 211], "lightpink": [255, 182, 193], "lightsalmon": [255, 160, 122], "lightseagreen": [32, 178, 170], "lightskyblue": [135, 206, 250], "lightslategray": [119, 136, 153], "lightslategrey": [119, 136, 153], "lightsteelblue": [176, 196, 222], "lightyellow": [255, 255, 224], "lime": [0, 255, 0], "limegreen": [50, 205, 50], "linen": [250, 240, 230], "magenta": [255, 0, 255], "maroon": [128, 0, 0], "mediumaquamarine": [102, 205, 170], "mediumblue": [0, 0, 205], "mediumorchid": [186, 85, 211], "mediumpurple": [147, 112, 219], "mediumseagreen": [60, 179, 113], "mediumslateblue": [123, 104, 238], "mediumspringgreen": [0, 250, 154], "mediumturquoise": [72, 209, 204], "mediumvioletred": [199, 21, 133], "midnightblue": [25, 25, 112], "mintcream": [245, 255, 250], "mistyrose": [255, 228, 225], "moccasin": [255, 228, 181], "navajowhite": [255, 222, 173], "navy": [0, 0, 128], "oldlace": [253, 245, 230], "olive": [128, 128, 0], "olivedrab": [107, 142, 35], "orange": [255, 165, 0], "orangered": [255, 69, 0], "orchid": [218, 112, 214], "palegoldenrod": [238, 232, 170], "palegreen": [152, 251, 152], "paleturquoise": [175, 238, 238], "palevioletred": [219, 112, 147], "papayawhip": [255, 239, 213], "peachpuff": [255, 218, 185], "peru": [205, 133, 63], "pink": [255, 192, 203], "plum": [221, 160, 221], "powderblue": [176, 224, 230], "purple": [128, 0, 128], "rebeccapurple": [102, 51, 153], "red": [255, 0, 0], "rosybrown": [188, 143, 143], "royalblue": [65, 105, 225], "saddlebrown": [139, 69, 19], "salmon": [250, 128, 114], "sandybrown": [244, 164, 96], "seagreen": [46, 139, 87], "seashell": [255, 245, 238], "sienna": [160, 82, 45], "silver": [192, 192, 192], "skyblue": [135, 206, 235], "slateblue": [106, 90, 205], "slategray": [112, 128, 144], "slategrey": [112, 128, 144], "snow": [255, 250, 250], "springgreen": [0, 255, 127], "steelblue": [70, 130, 180], "tan": [210, 180, 140], "teal": [0, 128, 128], "thistle": [216, 191, 216], "tomato": [255, 99, 71], "turquoise": [64, 224, 208], "violet": [238, 130, 238], "wheat": [245, 222, 179], "white": [255, 255, 255], "whitesmoke": [245, 245, 245], "yellow": [255, 255, 0], "yellowgreen": [154, 205, 50] }; var conversions = createCommonjsModule(function (module) { /* MIT license */ // NOTE: conversions should only return primitive values (i.e. arrays, or // values that give correct `typeof` results). // do not use box values types (i.e. Number(), String(), etc.) var reverseKeywords = {}; for (var key in index$5) { if (index$5.hasOwnProperty(key)) { reverseKeywords[index$5[key]] = key; } } var convert = module.exports = { rgb: {channels: 3, labels: 'rgb'}, hsl: {channels: 3, labels: 'hsl'}, hsv: {channels: 3, labels: 'hsv'}, hwb: {channels: 3, labels: 'hwb'}, cmyk: {channels: 4, labels: 'cmyk'}, xyz: {channels: 3, labels: 'xyz'}, lab: {channels: 3, labels: 'lab'}, lch: {channels: 3, labels: 'lch'}, hex: {channels: 1, labels: ['hex']}, keyword: {channels: 1, labels: ['keyword']}, ansi16: {channels: 1, labels: ['ansi16']}, ansi256: {channels: 1, labels: ['ansi256']}, hcg: {channels: 3, labels: ['h', 'c', 'g']}, apple: {channels: 3, labels: ['r16', 'g16', 'b16']}, gray: {channels: 1, labels: ['gray']} }; // hide .channels and .labels properties for (var model in convert) { if (convert.hasOwnProperty(model)) { if (!('channels' in convert[model])) { throw new Error('missing channels property: ' + model); } if (!('labels' in convert[model])) { throw new Error('missing channel labels property: ' + model); } if (convert[model].labels.length !== convert[model].channels) { throw new Error('channel and label counts mismatch: ' + model); } var channels = convert[model].channels; var labels = convert[model].labels; delete convert[model].channels; delete convert[model].labels; Object.defineProperty(convert[model], 'channels', {value: channels}); Object.defineProperty(convert[model], 'labels', {value: labels}); } } convert.rgb.hsl = function (rgb) { var r = rgb[0] / 255; var g = rgb[1] / 255; var b = rgb[2] / 255; var min = Math.min(r, g, b); var max = Math.max(r, g, b); var delta = max - min; var h; var s; var l; if (max === min) { h = 0; } else if (r === max) { h = (g - b) / delta; } else if (g === max) { h = 2 + (b - r) / delta; } else if (b === max) { h = 4 + (r - g) / delta; } h = Math.min(h * 60, 360); if (h < 0) { h += 360; } l = (min + max) / 2; if (max === min) { s = 0; } else if (l <= 0.5) { s = delta / (max + min); } else { s = delta / (2 - max - min); } return [h, s * 100, l * 100]; }; convert.rgb.hsv = function (rgb) { var r = rgb[0]; var g = rgb[1]; var b = rgb[2]; var min = Math.min(r, g, b); var max = Math.max(r, g, b); var delta = max - min; var h; var s; var v; if (max === 0) { s = 0; } else { s = (delta / max * 1000) / 10; } if (max === min) { h = 0; } else if (r === max) { h = (g - b) / delta; } else if (g === max) { h = 2 + (b - r) / delta; } else if (b === max) { h = 4 + (r - g) / delta; } h = Math.min(h * 60, 360); if (h < 0) { h += 360; } v = ((max / 255) * 1000) / 10; return [h, s, v]; }; convert.rgb.hwb = function (rgb) { var r = rgb[0]; var g = rgb[1]; var b = rgb[2]; var h = convert.rgb.hsl(rgb)[0]; var w = 1 / 255 * Math.min(r, Math.min(g, b)); b = 1 - 1 / 255 * Math.max(r, Math.max(g, b)); return [h, w * 100, b * 100]; }; convert.rgb.cmyk = function (rgb) { var r = rgb[0] / 255; var g = rgb[1] / 255; var b = rgb[2] / 255; var c; var m; var y; var k; k = Math.min(1 - r, 1 - g, 1 - b); c = (1 - r - k) / (1 - k) || 0; m = (1 - g - k) / (1 - k) || 0; y = (1 - b - k) / (1 - k) || 0; return [c * 100, m * 100, y * 100, k * 100]; }; /** * See https://en.m.wikipedia.org/wiki/Euclidean_distance#Squared_Euclidean_distance * */ function comparativeDistance(x, y) { return ( Math.pow(x[0] - y[0], 2) + Math.pow(x[1] - y[1], 2) + Math.pow(x[2] - y[2], 2) ); } convert.rgb.keyword = function (rgb) { var reversed = reverseKeywords[rgb]; if (reversed) { return reversed; } var currentClosestDistance = Infinity; var currentClosestKeyword; for (var keyword in index$5) { if (index$5.hasOwnProperty(keyword)) { var value = index$5[keyword]; // Compute comparative distance var distance = comparativeDistance(rgb, value); // Check if its less, if so set as closest if (distance < currentClosestDistance) { currentClosestDistance = distance; currentClosestKeyword = keyword; } } } return currentClosestKeyword; }; convert.keyword.rgb = function (keyword) { return index$5[keyword]; }; convert.rgb.xyz = function (rgb) { var r = rgb[0] / 255; var g = rgb[1] / 255; var b = rgb[2] / 255; // assume sRGB r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92); g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92); b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92); var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805); var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722); var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505); return [x * 100, y * 100, z * 100]; }; convert.rgb.lab = function (rgb) { var xyz = convert.rgb.xyz(rgb); var x = xyz[0]; var y = xyz[1]; var z = xyz[2]; var l; var a; var b; x /= 95.047; y /= 100; z /= 108.883; x = x > 0.008856 ? Math.pow(x, 1 / 3) : (7.787 * x) + (16 / 116); y = y > 0.008856 ? Math.pow(y, 1 / 3) : (7.787 * y) + (16 / 116); z = z > 0.008856 ? Math.pow(z, 1 / 3) : (7.787 * z) + (16 / 116); l = (116 * y) - 16; a = 500 * (x - y); b = 200 * (y - z); return [l, a, b]; }; convert.hsl.rgb = function (hsl) { var h = hsl[0] / 360; var s = hsl[1] / 100; var l = hsl[2] / 100; var t1; var t2; var t3; var rgb; var val; if (s === 0) { val = l * 255; return [val, val, val]; } if (l < 0.5) { t2 = l * (1 + s); } else { t2 = l + s - l * s; } t1 = 2 * l - t2; rgb = [0, 0, 0]; for (var i = 0; i < 3; i++) { t3 = h + 1 / 3 * -(i - 1); if (t3 < 0) { t3++; } if (t3 > 1) { t3--; } if (6 * t3 < 1) { val = t1 + (t2 - t1) * 6 * t3; } else if (2 * t3 < 1) { val = t2; } else if (3 * t3 < 2) { val = t1 + (t2 - t1) * (2 / 3 - t3) * 6; } else { val = t1; } rgb[i] = val * 255; } return rgb; }; convert.hsl.hsv = function (hsl) { var h = hsl[0]; var s = hsl[1] / 100; var l = hsl[2] / 100; var smin = s; var lmin = Math.max(l, 0.01); var sv; var v; l *= 2; s *= (l <= 1) ? l : 2 - l; smin *= lmin <= 1 ? lmin : 2 - lmin; v = (l + s) / 2; sv = l === 0 ? (2 * smin) / (lmin + smin) : (2 * s) / (l + s); return [h, sv * 100, v * 100]; }; convert.hsv.rgb = function (hsv) { var h = hsv[0] / 60; var s = hsv[1] / 100; var v = hsv[2] / 100; var hi = Math.floor(h) % 6; var f = h - Math.floor(h); var p = 255 * v * (1 - s); var q = 255 * v * (1 - (s * f)); var t = 255 * v * (1 - (s * (1 - f))); v *= 255; switch (hi) { case 0: return [v, t, p]; case 1: return [q, v, p]; case 2: return [p, v, t]; case 3: return [p, q, v]; case 4: return [t, p, v]; case 5: return [v, p, q]; } }; convert.hsv.hsl = function (hsv) { var h = hsv[0]; var s = hsv[1] / 100; var v = hsv[2] / 100; var vmin = Math.max(v, 0.01); var lmin; var sl; var l; l = (2 - s) * v; lmin = (2 - s) * vmin; sl = s * vmin; sl /= (lmin <= 1) ? lmin : 2 - lmin; sl = sl || 0; l /= 2; return [h, sl * 100, l * 100]; }; // http://dev.w3.org/csswg/css-color/#hwb-to-rgb convert.hwb.rgb = function (hwb) { var h = hwb[0] / 360; var wh = hwb[1] / 100; var bl = hwb[2] / 100; var ratio = wh + bl; var i; var v; var f; var n; // wh + bl cant be > 1 if (ratio > 1) { wh /= ratio; bl /= ratio; } i = Math.floor(6 * h); v = 1 - bl; f = 6 * h - i; if ((i & 0x01) !== 0) { f = 1 - f; } n = wh + f * (v - wh); // linear interpolation var r; var g; var b; switch (i) { default: case 6: case 0: r = v; g = n; b = wh; break; case 1: r = n; g = v; b = wh; break; case 2: r = wh; g = v; b = n; break; case 3: r = wh; g = n; b = v; break; case 4: r = n; g = wh; b = v; break; case 5: r = v; g = wh; b = n; break; } return [r * 255, g * 255, b * 255]; }; convert.cmyk.rgb = function (cmyk) { var c = cmyk[0] / 100; var m = cmyk[1] / 100; var y = cmyk[2] / 100; var k = cmyk[3] / 100; var r; var g; var b; r = 1 - Math.min(1, c * (1 - k) + k); g = 1 - Math.min(1, m * (1 - k) + k); b = 1 - Math.min(1, y * (1 - k) + k); return [r * 255, g * 255, b * 255]; }; convert.xyz.rgb = function (xyz) { var x = xyz[0] / 100; var y = xyz[1] / 100; var z = xyz[2] / 100; var r; var g; var b; r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986); g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415); b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570); // assume sRGB r = r > 0.0031308 ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055) : r * 12.92; g = g > 0.0031308 ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055) : g * 12.92; b = b > 0.0031308 ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055) : b * 12.92; r = Math.min(Math.max(0, r), 1); g = Math.min(Math.max(0, g), 1); b = Math.min(Math.max(0, b), 1); return [r * 255, g * 255, b * 255]; }; convert.xyz.lab = function (xyz) { var x = xyz[0]; var y = xyz[1]; var z = xyz[2]; var l; var a; var b; x /= 95.047; y /= 100; z /= 108.883; x = x > 0.008856 ? Math.pow(x, 1 / 3) : (7.787 * x) + (16 / 116); y = y > 0.008856 ? Math.pow(y, 1 / 3) : (7.787 * y) + (16 / 116); z = z > 0.008856 ? Math.pow(z, 1 / 3) : (7.787 * z) + (16 / 116); l = (116 * y) - 16; a = 500 * (x - y); b = 200 * (y - z); return [l, a, b]; }; convert.lab.xyz = function (lab) { var l = lab[0]; var a = lab[1]; var b = lab[2]; var x; var y; var z; y = (l + 16) / 116; x = a / 500 + y; z = y - b / 200; var y2 = Math.pow(y, 3); var x2 = Math.pow(x, 3); var z2 = Math.pow(z, 3); y = y2 > 0.008856 ? y2 : (y - 16 / 116) / 7.787; x = x2 > 0.008856 ? x2 : (x - 16 / 116) / 7.787; z = z2 > 0.008856 ? z2 : (z - 16 / 116) / 7.787; x *= 95.047; y *= 100; z *= 108.883; return [x, y, z]; }; convert.lab.lch = function (lab) { var l = lab[0]; var a = lab[1]; var b = lab[2]; var hr; var h; var c; hr = Math.atan2(b, a); h = hr * 360 / 2 / Math.PI; if (h < 0) { h += 360; } c = Math.sqrt(a * a + b * b); return [l, c, h]; }; convert.lch.lab = function (lch) { var l = lch[0]; var c = lch[1]; var h = lch[2]; var a; var b; var hr; hr = h / 360 * 2 * Math.PI; a = c * Math.cos(hr); b = c * Math.sin(hr); return [l, a, b]; }; convert.rgb.ansi16 = function (args) { var r = args[0]; var g = args[1]; var b = args[2]; var value = 1 in arguments ? arguments[1] : convert.rgb.hsv(args)[2]; // hsv -> ansi16 optimization value = Math.round(value / 50); if (value === 0) { return 30; } var ansi = 30 + ((Math.round(b / 255) << 2) | (Math.round(g / 255) << 1) | Math.round(r / 255)); if (value === 2) { ansi += 60; } return ansi; }; convert.hsv.ansi16 = function (args) { // optimization here; we already know the value and don't need to get // it converted for us. return convert.rgb.ansi16(convert.hsv.rgb(args), args[2]); }; convert.rgb.ansi256 = function (args) { var r = args[0]; var g = args[1]; var b = args[2]; // we use the extended greyscale palette here, with the exception of // black and white. normal palette only has 4 greyscale shades. if (r === g && g === b) { if (r < 8) { return 16; } if (r > 248) { return 231; } return Math.round(((r - 8) / 247) * 24) + 232; } var ansi = 16 + (36 * Math.round(r / 255 * 5)) + (6 * Math.round(g / 255 * 5)) + Math.round(b / 255 * 5); return ansi; }; convert.ansi16.rgb = function (args) { var color = args % 10; // handle greyscale if (color === 0 || color === 7) { if (args > 50) { color += 3.5; } color = color / 10.5 * 255; return [color, color, color]; } var mult = (~~(args > 50) + 1) * 0.5; var r = ((color & 1) * mult) * 255; var g = (((color >> 1) & 1) * mult) * 255; var b = (((color >> 2) & 1) * mult) * 255; return [r, g, b]; }; convert.ansi256.rgb = function (args) { // handle greyscale if (args >= 232) { var c = (args - 232) * 10 + 8; return [c, c, c]; } args -= 16; var rem; var r = Math.floor(args / 36) / 5 * 255; var g = Math.floor((rem = args % 36) / 6) / 5 * 255; var b = (rem % 6) / 5 * 255; return [r, g, b]; }; convert.rgb.hex = function (args) { var integer = ((