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Stringify any JavaScript value.
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JavaScript
(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 = ((