core-js - npm Package Compare versions

Comparing version 0.0.5 to 0.0.7

build/core-stab.js

 /**
- * Core.js v0.0.3
+ * Core.js v0.0.5
  * http://core.zloirock.ru
@@ -7,3 +7,3 @@ * © 2013 Denis Pushkarev
  */
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core.min.js

 /**
- * Core.js v0.0.5
+ * Core.js v0.0.7
  * http://core.zloirock.ru
- * © 2013 Denis Pushkarev
+ * © 2014 Denis Pushkarev
  * Available under MIT license
  */
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+//# sourceMappingURL=core.min.map

package.json

 {
   "name": "core-js",
-  "description": "Blahblahblah",
-  "version": "0.0.5",
+  "description": "Standard library",
+  "version": "0.0.7",
   "repository": {
@@ -16,4 +16,10 @@ "type": "git",
     "grunt-contrib-uglify":  "*",
-    "grunt-contrib-watch":  "*"
+    "grunt-contrib-watch":  "*",
+    "karma": "*",
+    "karma-qunit": "*",
+    "karma-chrome-launcher": "*",
+    "karma-ie-launcher": "*",
+    "karma-firefox-launcher": "*",
+    "karma-opera-launcher": "*"
   }
 }

src/array.js

@@ -1,75 +0,24 @@
-!function(){
-  function arraySum(/*?*/mapArg){
-    var result = 0
-      , that   = createMap(this, mapArg)
-      , i      = 0
-      , length = toLength(that.length);
-    for(; length > i; i++)if(i in that)result += +that[i];
-    return result
+$define(PROTO, ARRAY, {
+  /**
+   * Alternatives:
+   * http://sugarjs.com/api/Array/at
+   * With Proxy: http://www.h3manth.com/new/blog/2013/negative-array-index-in-javascript/
+   */
+  at: function(index){
+    index = toInteger(index);
+    return ES5Object(this)[0 > index ? this.length + index : index];
+  },
+  /**
+   * Alternatives:
+   * http://lodash.com/docs#template
+   */
+  transform: transform,
+  // ~ ES7 : http://esdiscuss.org/topic/april-8-2014-meeting-notes#content-1
+  contains: function(value){
+    var O      = ES5Object(this)
+      , length = O.length
+      , i      = 0;
+    while(length > i)if(same0(value, O[i++]))return true;
+    return false;
   }
-  function props(key){
-    var that   = arrayLikeSelf(this)
-      , length = toLength(that.length)
-      , result = Array(length)
-      , i      = 0
-      , val;
-    for(; length > i; i++)if(i in that){
-      val = that[i];
-      result[i] = val == undefined ? undefined : val[key]
-    }
-    return result
-  }
-  function createMap(that, it){
-    switch(classof(it)){
-      case 'Function':
-        return map.call(that, it);
-      case 'String':
-      case 'Number':
-        return props.call(that, it)
-    }
-    return arrayLikeSelf(that)
-  }
-  extendBuiltInObject($Array, {
-    at: function(index){
-      return arrayLikeSelf(this)[0 > index ? this.length + index : index]
-    },
-    props   : props,
-    reduceTo: reduceTo,
-    indexSame: function(val){
-      return indexSame(arrayLikeSelf(this), val)
-    },
-    merge: function(arrayLike){
-      push.apply(this, arrayLikeSelf(arrayLike));
-      return this;
-    },
-    sum: arraySum,
-    avg: function(/*?*/mapArg){
-      return this.length ? arraySum.call(this, mapArg) / this.length : 0
-    },
-    min: function(/*?*/mapArg){
-      return min.apply(undefined, createMap(this, mapArg));
-    },
-    max: function(/*?*/mapArg){
-      return max.apply(undefined, createMap(this, mapArg));
-    },
-    unique: function(/*?*/mapArg){
-      var result = []
-        , that   = createMap(this, mapArg)
-        , length = toLength(that.length)
-        , i      = 0
-        , value;
-      while(length > i)~indexSame(result, value = that[i++]) || result.push(value);
-      return result
-    },
-    cross: function(arrayLike){
-      var result = []
-        , that   = arrayLikeSelf(this)
-        , length = toLength(that.length)
-        , array  = arrayLikeSelf(arrayLike)
-        , i = 0
-        , value;
-      while(length > i)!~indexSame(result, value = that[i++]) && ~indexSame(array, value) && result.push(value);
-      return result
-    }
-  });
-}();
+});

src/console.js

@@ -1,17 +0,31 @@
-var _console = global.console || {}
-  // https://github.com/DeveloperToolsWG/console-object/blob/master/api.md
-  , $console = reduceTo.call(
-      splitComma('assert,count,clear,debug,dir,dirxml,error,exception,' +
-        'group,groupCollapsed,groupEnd,info,log,table,trace,warn,' +
-        'markTimeline,profile,profileEnd,time,timeEnd,timeStamp'),
-      function(key){
-        this[key] = function(){
-          return _console[key] && $console.enable && apply.call(_console[key], _console, arguments)
-        };
+/**
+ * https://github.com/DeveloperToolsWG/console-object/blob/master/api.md
+ * https://developer.mozilla.org/en-US/docs/Web/API/console
+ * Alternatives:
+ * https://github.com/paulmillr/console-polyfill
+ * https://github.com/theshock/console-cap
+ */
+!function(console){
+  var $console = transform.call(
+    array('assert,count,clear,debug,dir,dirxml,error,exception,' +
+      'group,groupCollapsed,groupEnd,info,log,table,trace,warn,' +
+      'markTimeline,profile,profileEnd,time,timeEnd,timeStamp'),
+    function(memo, key){
+      memo[key] = function(){
+        if(enabled && console[key])return apply.call(console[key], console, arguments);
+      };
+    },
+    {
+      enable: function(){
+        enabled = true;
       },
-      {enable: true}
-    );
-try {
-  delete global.console
-} catch(e){}
-$console = global.console = extendBuiltInObject($console.log, $console);
+      disable: function(){
+        enabled = false;
+      }
+    }
+  ), enabled = true;
+  try {
+    framework && delete global.console;
+  } catch(e){}
+  $define(GLOBAL, {console: assign($console.log, $console)}, 1);
+}(global.console || {});

src/date.js

@@ -1,67 +0,75 @@
-!function(){
-  function format(template, lang /* = current */){
-    var that   = this
-      , locale = locales[lang && has(locales, lang) ? lang : current];
-    return String(template).replace(formatRegExp, function(part, key){
-      switch(key){
-        case 'ms'   : return that.getMilliseconds();                  // mSec    : 1-999
-        case 's'    : return that[getSeconds]();                      // Seconds : 1-59
-        case 'ss'   : return leadZero(that[getSeconds](), 2);         // Seconds : 01-59
-        case 'm'    : return that[getMinutes]();                      // Minutes : 1-59
-        case 'mm'   : return leadZero(that[getMinutes](), 2);         // Minutes : 01-59
-        case 'h'    : return that[getHours]() % 12 || 12              // Hours   : 1-23
-        case 'hh'   : return leadZero(that[getHours]() % 12 || 12, 2);// Hours   : 01-23
-        case 'H'    : return that[getHours]();                        // Hours   : 1-11
-        case 'HH'   : return leadZero(that[getHours](), 2);           // Hours   : 01-11
-        case 'd'    : return that.getDate();                          // Date    : 1-31
-        case 'dd'   : return leadZero(that.getDate(), 2);             // Date    : 01-31
-        case 'w'    : return locale.w[that.getDay()];                 // Day     : Понедельник
-        case 'n'    : return that[getMonth]() + 1;                    // Month   : 1-12
-        case 'nn'   : return leadZero(that[getMonth]() + 1, 2);       // Month   : 01-12
-        case 'M'    : return locale.M[that[getMonth]()];              // Month   : Январь
-        case 'MM'   : return locale.MM[that[getMonth]()];             // Month   : Января
-        case 'yy'   : return leadZero(that[getFullYear]() % 100, 2);  // Year    : 13
-        case 'yyyy' : return that[getFullYear]()                      // Year    : 2013
+/**
+ * Alternatives:
+ * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl
+ * https://github.com/andyearnshaw/Intl.js
+ * http://momentjs.com/
+ * http://sugarjs.com/api/Date/format
+ * http://mootools.net/docs/more/Types/Date#Date:format
+ */
+!function(formatRegExp, flexioRegExp, locales, current, SECONDS, MINUTES, HOURS, DATE, MONTH, YEAR){
+  function createFormat(UTC){
+    return function(template, locale /* = current */){
+      var that = this
+        , dict = locales[has(locales, locale) ? locale : current];
+      function get(unit){
+        return that[(UTC ? 'getUTC' : 'get') + unit]();
       }
-      return part
-    })
+      return String(template).replace(formatRegExp, function(part){
+        switch(part){
+          case 'ms'   : var ms = get('Milliseconds');                           // Milliseconds : 001-999
+            return ms > 99 ? ms : ms > 9 ? '0' + ms : '00' + ms;
+          case 's'    : return get(SECONDS);                                    // Seconds      : 1-59
+          case 'ss'   : return lz(get(SECONDS));                                // Seconds      : 01-59
+          case 'm'    : return get(MINUTES);                                    // Minutes      : 1-59
+          case 'mm'   : return lz(get(MINUTES));                                // Minutes      : 01-59
+          case 'h'    : return get(HOURS);                                      // Hours        : 0-23
+          case 'hh'   : return lz(get(HOURS));                                  // Hours        : 00-23
+          case 'D'    : return get(DATE)                                        // Date         : 1-31
+          case 'DD'   : return lz(get(DATE));                                   // Date         : 01-31
+          case 'W'    : return dict.W[get('Day')];                              // Day          : Понедельник
+          case 'N'    : return get(MONTH) + 1;                                  // Month        : 1-12
+          case 'NN'   : return lz(get(MONTH) + 1);                              // Month        : 01-12
+          case 'M'    : return dict.M[get(MONTH)];                              // Month        : Январь
+          case 'MM'   : return dict.MM[get(MONTH)];                             // Month        : Января
+          case 'YY'   : return lz(get(YEAR) % 100);                             // Year         : 13
+          case 'YYYY' : return get(YEAR);                                       // Year         : 2013
+        }
+        return part;
+      });
+    }
   }
+  function lz(num){
+    return num > 9 ? num : '0' + num;
+  }
   function addLocale(lang, locale){
     locales[lang] = {
-      w : splitComma(locale.w),
-      M : splitComma(locale.M).map(flexio(0)),
-      MM: splitComma(locale.M).map(flexio(1))
-    }
+      W : array(locale.weekdays),
+      MM: flexio(locale.months, 1),
+      M : flexio(locale.months, 2)
+    };
+    return Date;
   }
-  function flexio(index){
-    return function(it){
-      return it.replace(/\+(.+)$/, function(part, str){
-        return str.split('|')[index]
-      })
-    }
+  function flexio(locale, index){
+    return transform.call(array(locale), function(memo, it){
+      memo.push(it.replace(flexioRegExp, '$' + index));
+    });
   }
-  var formatRegExp = /\b(\w\w*)\b/g
-    , current = 'en'
-    , locales = {}
-    , getSeconds = 'getSeconds'
-    , getMinutes = 'getMinutes'
-    , getHours = 'getHours'
-    , getMonth = 'getMonth'
-    , getFullYear = 'getFullYear';
-  extendBuiltInObject(Date, {
+  $define(STATIC, DATE, {
     locale: function(locale){
-      if(has(locales, locale))current = locale;
-      return current
+      return has(locales, locale) ? current = locale : current;
     },
     addLocale: addLocale
   });
-  extendBuiltInObject(Date[prototype], {format: format});
-  addLocale('en', {
-    w: 'Sunday,Monday,Tuesday,Wednesday,Thursday,Friday,Saturday',
-    M: 'January,February,March,April,May,June,July,August,September,October,November,December'
+  $define(PROTO, DATE, {
+    format:    createFormat(0),
+    formatUTC: createFormat(1)
   });
+  addLocale(current, {
+    weekdays: 'Sunday,Monday,Tuesday,Wednesday,Thursday,Friday,Saturday',
+    months:   'January,February,March,April,May,June,July,August,September,October,November,December'
+  });
   addLocale('ru', {
-    w: 'Воскресенье,Понедельник,Вторник,Среда,Четверг,Пятница,Суббота',
-    M: 'Январ+ь|я,Феврал+ь|я,Март+|а,Апрел+ь|я,Ма+й|я,Июн+ь|я,Июл+ь|я,Август+|а,Сентябр+ь|я,Октябр+ь|я,Ноябр+ь|я,Декабр+ь|я'
+    weekdays: 'Воскресенье,Понедельник,Вторник,Среда,Четверг,Пятница,Суббота',
+    months:   'Январ:я|ь,Феврал:я|ь,Март:а|,Апрел:я|ь,Ма:я|й,Июн:я|ь,Июл:я|ь,Август:а|,Сентябр:я|ь,Октябр:я|ь,Ноябр:я|ь,Декабр:я|ь'
   });
-}();
+}(/\b\w{1,4}\b/g, /:(.*)\|(.*)$/, {}, 'en', 'Seconds', 'Minutes', 'Hours', 'Date', 'Month', 'FullYear');

src/es5.js

@@ -0,22 +1,29 @@
+/**
+ * ECMAScript 5 shim
+ * http://es5.github.io/
+ * Alternatives:
+ * https://github.com/es-shims/es5-shim
+ * https://github.com/ddrcode/ddr-ecma5
+ * http://augmentjs.com/
+ * https://github.com/inexorabletash/polyfill/blob/master/es5.js
+ */
 !function(){
-  // not enum keys
-  var Empty             = Function()
-    , protoInObject     = new Empty().__proto__ == Empty[prototype]
-    , LTrimRegExp       = RegExp(LTrim)
-    , RTrimRegExp       = RegExp(RTrim)
+  var Empty              = Function()
+    , _classof           = classof
+    , whitespace         = '[\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF]'
+    , trimRegExp         = RegExp('^' + whitespace + '+|' + whitespace + '+$', 'g')
     // for fix IE 8- don't enum bug https://developer.mozilla.org/en-US/docs/ECMAScript_DontEnum_attribute
-    , hidenNames1       = splitComma(toStringKey + ',toLocaleString,valueOf,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,constructor')
-    , hidenNames2       = hidenNames1.concat(['length'])
-    , hidenNames1Length = hidenNames1.length
-    , nativeSlice       = slice
-    , nativeJoin        = $Array.join
-    // Create object with null as it's prototype
-    , createNullProtoObject = protoInObject
+    // http://whattheheadsaid.com/2010/10/a-safer-object-keys-compatibility-implementation
+    , hiddenNames1       = array('toString,toLocaleString,valueOf,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,constructor')
+    , hiddenNames2       = hiddenNames1.concat(['length'])
+    , hiddenNames1Length = hiddenNames1.length
+    // Create object with null prototype
+    , createDict         = __PROTO__
       ? function(){
-          return {__proto__: null}
+          return {__proto__: null};
         }
       : function(){
           // Thrash, waste and sodomy
-          var iframe = document.createElement('iframe')
-            , i      = hidenNames1Length
+          var iframe = document[CREATE_ELEMENT]('iframe')
+            , i      = hiddenNames1Length
             , body   = document.body || document.documentElement
@@ -29,11 +36,11 @@ , iframeDocument;
           iframeDocument.open();
-          iframeDocument.write('<script>document._=Object</script>');
+          iframeDocument.write('<script>document.F=Object</script>');
           iframeDocument.close();
-          createNullProtoObject = iframeDocument._;
-          // body.removeChild(iframe);
-          while(i--)delete createNullProtoObject[prototype][hidenNames1[i]];
-          return createNullProtoObject()
+          createDict = iframeDocument.F;
+          while(i--)delete createDict[PROTOTYPE][hiddenNames1[i]];
+          return createDict();
         }
     , createGetKeys = function(names, length){
         return function(O){
+          O = ES5Object(O);
           var i      = 0
@@ -43,119 +50,108 @@ , result = []
           for(key in O)has(O, key) && result.push(key);
-          // hiden names for Object.getOwnPropertyNames & don't enum bug fix for Object.keys
-          while(length > i)has(O, key = names[i++]) && !~result[indexOf](key) && result.push(key);
-          return result
+          // hidden names for Object.getOwnPropertyNames & don't enum bug fix for Object.keys
+          while(length > i)has(O, key = names[i++]) && !~$indexOf(result, key) && result.push(key);
+          return result;
         }
-      }
-    // The engine has a guaranteed way to get a prototype?
-    , $PROTO = !!Object.getPrototypeOf || protoInObject;
+      };
   // The engine works fine with descriptors? Thank's IE8 for his funny defineProperty.
   try {
-    defineProperty({}, 0, $Object);
-  }
-  catch(e){
-    DESCRIPTORS = 0;
-    /**
-     * 15.2.3.3 Object.getOwnPropertyDescriptor ( O, P )
-     * http://es5.github.io/#x15.2.3.3
-     */
-    Object.getOwnPropertyDescriptor = function(O, P){
-      if(has(O, P))return descriptor(6 + isEnumerable(O, P), O[P])
+    Object.defineProperty({}, 0, $Object);
+  } catch(e){
+    DESCRIPTORS = false;
+    getOwnPropertyDescriptor = function(O, P){
+      if(has(O, P))return descriptor(6 + isEnumerable.call(O, P), O[P]);
     };
-    /**
-     * 15.2.3.6 Object.defineProperty ( O, P, Attributes )
-     * http://es5.github.io/#x15.2.3.6
-     */
-    Object.defineProperty = defineProperty = function(O, P, Attributes){
-      O[P] = Attributes.value;
-      return O
+    defineProperty = function(O, P, Attributes){
+      assertObject(O);
+      if('value' in Attributes)O[P] = Attributes.value;
+      return O;
     };
-    /**
-     * 15.2.3.7 Object.defineProperties ( O, Properties ) 
-     * http://es5.github.io/#x15.2.3.7
-     */
-    Object.defineProperties = function(O, Properties){
-      // IE 9- don't enum bug => Object.keys
-      var names = keys(Properties)
+    defineProperties = function(O, Properties){
+      assertObject(O);
+      var names  = keys(Properties)
         , length = names.length
         , i = 0
-        , key;
-      while(length > i)O[key = names[i++]] = Properties[key].value;
-      return O
+        , P, Attributes;
+      while(length > i){
+        P          = names[i++];
+        Attributes = Properties[P];
+        if('value' in Attributes)O[P] = Attributes.value;
+      }
+      return O;
     }
   }
-  extendBuiltInObject(Object, {
-    /**
-     * 15.2.3.2 Object.getPrototypeOf ( O ) 
-     * http://es5.github.io/#x15.2.3.2
-     */
+  $define(STATIC, OBJECT, {
+    // 19.1.2.6 / 15.2.3.3 Object.getOwnPropertyDescriptor(O, P)
+    getOwnPropertyDescriptor: getOwnPropertyDescriptor,
+    // 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)
+    defineProperty: defineProperty,
+    // 19.1.2.3 / 15.2.3.7 Object.defineProperties(O, Properties) 
+    defineProperties: defineProperties
+  }, 1);
+  $define(STATIC, OBJECT, {
+    // 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O) 
     getPrototypeOf: function(O){
       var constructor
-        , proto = O.__proto__ || ((constructor = O.constructor) ? constructor[prototype] : $Object);
-      return O != proto && toStringKey in O ? proto : null
+        , proto = O.__proto__ || ((constructor = O.constructor) ? constructor[PROTOTYPE] : $Object);
+      return O !== proto && 'toString' in O ? proto : null;
     },
-    /**
-     * 15.2.3.4 Object.getOwnPropertyNames ( O )
-     * http://es5.github.io/#x15.2.3.4
-     */
-    getOwnPropertyNames: createGetKeys(hidenNames2, hidenNames2.length),
-    /**
-     * 15.2.3.5 Object.create ( O [, Properties] )
-     * http://es5.github.io/#x15.2.3.5
-     */
+    // 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)
+    getOwnPropertyNames: createGetKeys(hiddenNames2, hiddenNames2.length),
+    // 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])
     create: function(O, /*?*/Properties){
-      if(O === null)return Properties ? defineProperties(createNullProtoObject(), Properties) : createNullProtoObject();
-      if(!isObject(O))throw TypeError('Object prototype may only be an Object or null');
-      Empty[prototype] = O;
+      if(O === null)return Properties ? defineProperties(createDict(), Properties) : createDict();
+      assertObject(O);
+      Empty[PROTOTYPE] = O;
       var result = new Empty();
       if(Properties)defineProperties(result, Properties);
       // add __proto__ for Object.getPrototypeOf shim
-      $PROTO || result.constructor[prototype] == O || (result.__proto__ = O);
-      return result
+      __PROTO__ || result.constructor[PROTOTYPE] === O || (result.__proto__ = O);
+      return result;
     },
-    /**
-     * 15.2.3.14 Object.keys ( O )
-     * http://es5.github.io/#x15.2.3.14
-     */
-    keys: createGetKeys(hidenNames1, hidenNames1Length)
+    // 19.1.2.14 / 15.2.3.14 Object.keys(O)
+    keys: createGetKeys(hiddenNames1, hiddenNames1Length)
   });
-  // not array-like strings fix
-  if(!(0 in Object('q'))){
-    arrayLikeSelf = function(it){
-      return isString(it) ? it.split('') : Object(it)
-    };
-    // Array.prototype methods for strings in ES3
-    $Array.slice = slice = function(){
-      return nativeSlice.apply(arrayLikeSelf(this), arguments)
-    };
-    $Array.join = function(){
-      return nativeJoin.apply(arrayLikeSelf(this), arguments)
-    }
-  }
-  /**
-   * 15.3.4.5 Function.prototype.bind (thisArg [, arg1 [, arg2, …]]) 
-   * http://es5.github.io/#x15.3.4.5
-   */
-  extendBuiltInObject($Function, {
-    bind:function(scope /*, args...*/){
+  
+  // 19.2.3.2 / 15.3.4.5 Function.prototype.bind(thisArg [, arg1 [, arg2, …]]) 
+  $define(PROTO, FUNCTION, {
+    bind: function(scope /*, args... */){
       var fn   = this
-        , args = slice1(arguments);
-      function bound(){
-        return apply.call(fn, fn[prototype] && this instanceof fn ? this : scope, args.concat(toArray(arguments)))
+        , args = $slice(arguments, 1);
+      assertFunction(fn);
+      function bound(/* args... */){
+        var _args = args.concat($slice(arguments))
+          , result, that
+        if(this instanceof fn)return isObject(result = apply.call(that = create(fn[PROTOTYPE]), scope, _args)) ? result : that;
+        return apply.call(fn, scope, _args);
       }
-      bound[prototype] = fn[prototype];
-      return bound
+      bound[PROTOTYPE] = undefined;
+      return bound;
     }
   });
-  /**
-   * 15.4.3.2 Array.isArray ( arg )
-   * http://es5.github.io/#x15.4.3.2
-   */
-  extendBuiltInObject(Array, {isArray: isArray});
-  extendBuiltInObject($Array, {
-    /**
-     * 15.4.4.14 Array.prototype.indexOf ( searchElement [ , fromIndex ] )
-     * http://es5.github.io/#x15.4.4.14
-     */
+  
+  // fix for not array-like ES3 string
+  function arrayMethodFix(fn){
+    return function(){
+      return fn.apply(ES5Object(this), arguments);
+    }
+  }
+  if(!(0 in Object('q') && 'q'[0] == 'q')){
+    ES5Object = function(it){
+      return _classof(it) == STRING ? it.split('') : Object(it);
+    }
+    slice = arrayMethodFix(slice);
+  }
+  $define(PROTO, ARRAY, {
+    slice: slice,
+    join: arrayMethodFix($Array.join)
+  }, ES5Object != Object);
+  
+  // 22.1.2.2 / 15.4.3.2 Array.isArray(arg)
+  $define(STATIC, ARRAY, {isArray: function(arg){
+    return _classof(arg) == ARRAY
+  }});
+  $define(PROTO, ARRAY, {
+    // 22.1.3.11 / 15.4.4.14 Array.prototype.indexOf(searchElement [, fromIndex])
     indexOf: function(searchElement, fromIndex /* = 0 */){
-      var self   = arrayLikeSelf(this)
+      var self   = ES5Object(this)
         , length = toLength(self.length)
@@ -165,10 +161,7 @@ , i      = fromIndex | 0;
       for(;length > i; i++)if(i in self && self[i] === searchElement)return i;
-      return -1
+      return -1;
     },
-    /**
-     * 15.4.4.15 Array.prototype.lastIndexOf ( searchElement [ , fromIndex ] )
-     * http://es5.github.io/#x15.4.4.15
-     */
+    // 22.1.3.14 / 15.4.4.15 Array.prototype.lastIndexOf(searchElement [, fromIndex])
     lastIndexOf: function(searchElement, fromIndex /* = @[*-1] */){
-      var self   = arrayLikeSelf(this)
+      var self   = ES5Object(this)
         , length = toLength(self.length)
@@ -178,11 +171,9 @@ , i      = length - 1;
       if(0 > i)i = toLength(length + i);
-      for(; i >= 0; i--)if(i in self && self[i] === searchElement)return i;
-      return -1
+      for(;i >= 0; i--)if(i in self && self[i] === searchElement)return i;
+      return -1;
     },
-    /**
-     * 15.4.4.16 Array.prototype.every ( callbackfn [ , thisArg ] )
-     * http://es5.github.io/#x15.4.4.16
-     */
+    // 22.1.3.5 / 15.4.4.16 Array.prototype.every(callbackfn [, thisArg])
     every: function(callbackfn, thisArg /* = undefined */){
-      var self   = arrayLikeSelf(this)
+      assertFunction(callbackfn);
+      var self   = ES5Object(this)
         , length = toLength(self.length)
@@ -193,10 +184,8 @@ , i      = 0;
       }
-      return true
+      return true;
     },
-    /**
-     * 15.4.4.17 Array.prototype.some ( callbackfn [ , thisArg ] )
-     * http://es5.github.io/#x15.4.4.17
-     */
+    // 22.1.3.23 / 15.4.4.17 Array.prototype.some(callbackfn [, thisArg])
     some: function(callbackfn, thisArg /* = undefined */){
-      var self   = arrayLikeSelf(this)
+      assertFunction(callbackfn);
+      var self   = ES5Object(this)
         , length = toLength(self.length)
@@ -207,94 +196,87 @@ , i      = 0;
       }
-      return false
+      return false;
     },
-    /**
-     * 15.4.4.18 Array.prototype.forEach ( callbackfn [ , thisArg ] )
-     * http://es5.github.io/#x15.4.4.18
-     */
+    // 22.1.3.10 / 15.4.4.18 Array.prototype.forEach(callbackfn [, thisArg])
     forEach: function(callbackfn, thisArg /* = undefined */){
-      var self   = arrayLikeSelf(this)
+      assertFunction(callbackfn);
+      var self   = ES5Object(this)
         , length = toLength(self.length)
         , i      = 0;
-      for(;length > i; i++)i in self && callbackfn.call(thisArg, self[i], i, this)
+      for(;length > i; i++)i in self && callbackfn.call(thisArg, self[i], i, this);
     },
-    /**
-     * 15.4.4.19 Array.prototype.map ( callbackfn [ , thisArg ] )
-     * http://es5.github.io/#x15.4.4.19
-     */
+    // 22.1.3.15 / 15.4.4.19 Array.prototype.map(callbackfn [, thisArg])
     map: function(callbackfn, thisArg /* = undefined */){
-      var self   = arrayLikeSelf(this)
-        , length = toLength(self.length)
-        , rez    = Array(length)
-        , i      = 0;
-      for(;length > i; i++){
-        if(i in self)rez[i] = callbackfn.call(thisArg, self[i], i, this);
-      }
-      return rez
+      assertFunction(callbackfn);
+      var result = Array(toLength(this.length));
+      $forEach(this, function(val, key, that){
+        result[key] = callbackfn.call(thisArg, val, key, that);
+      });
+      return result;
     },
-    /**
-     * 15.4.4.20 Array.prototype.filter ( callbackfn [ , thisArg ] )
-     * http://es5.github.io/#x15.4.4.20
-     */
+    // 22.1.3.7 / 15.4.4.20 Array.prototype.filter(callbackfn [, thisArg])
     filter: function(callbackfn, thisArg /* = undefined */){
-      var self   = arrayLikeSelf(this)
-        , length = toLength(self.length)
-        , i      = 0
-        , rez    = [];
-      for(;length > i; i++){
-        i in self
-        && callbackfn.call(thisArg, self[i], i, this)
-        && rez.push(self[i]);
-      }
-      return rez
+      assertFunction(callbackfn);
+      var result = [];
+      $forEach(this, function(val){
+        callbackfn.apply(thisArg, arguments) && result.push(val);
+      });
+      return result;
     },
-    /**
-     * 15.4.4.21 Array.prototype.reduce ( callbackfn [ , initialValue ] )
-     * http://es5.github.io/#x15.4.4.21
-     */
-    reduce: function(callbackfn, memo /* = @.1 */){
-      var self   = arrayLikeSelf(this)
+    // 22.1.3.18 / 15.4.4.21 Array.prototype.reduce(callbackfn [, initialValue])
+    reduce: function(callbackfn, memo /* = @.0 */){
+      assertFunction(callbackfn);
+      var self   = ES5Object(this)
         , length = toLength(self.length)
         , i      = 0;
-      if(2 > arguments.length)while(true){
+      if(2 > arguments.length)for(;;){
         if(i in self){
           memo = self[i++];
-          break
+          break;
         }
-        if(length <= ++i)throw TypeError(REDUCE_ERROR)
+        assert(length > ++i, REDUCE_ERROR);
       }
       for(;length > i; i++)if(i in self)memo = callbackfn(memo, self[i], i, this);
-      return memo
+      return memo;
     },
-    /**
-     * 15.4.4.22 Array.prototype.reduceRight ( callbackfn [ , initialValue ] )
-     * http://es5.github.io/#x15.4.4.22
-     */
+    // 22.1.3.19 / 15.4.4.22 Array.prototype.reduceRight(callbackfn [, initialValue])
     reduceRight: function(callbackfn, memo /* = @[*-1] */){
-      var self = arrayLikeSelf(this)
+      assertFunction(callbackfn);
+      var self = ES5Object(this)
         , i    = toLength(self.length) - 1;
-      if(2 > arguments.length)while(true){
+      if(2 > arguments.length)for(;;){
         if(i in self){
           memo = self[i--];
-          break
+          break;
         }
-        if(0 > --i)throw TypeError(REDUCE_ERROR)
+        assert(0 <= --i, REDUCE_ERROR);
       }
       for(;i >= 0; i--)if(i in self)memo = callbackfn(memo, self[i], i, this);
-      return memo
+      return memo;
     }
   });
-  /**
-   * 15.5.4.20 String.prototype.trim ( )
-   * http://es5.github.io/#x15.5.4.20
-   */
-  extendBuiltInObject($String, {trim: function(){
-    return String(this).replace(LTrimRegExp, '').replace(RTrimRegExp, '')
+  
+  // 21.1.3.25 / 15.5.4.20 String.prototype.trim()
+  $define(PROTO, STRING, {trim: function(){
+    return String(this).replace(trimRegExp, '');
   }});
-  /**
-   * 15.9.4.4 Date.now ( )
-   * http://es5.github.io/#x15.9.4.4
-   */
-  extendBuiltInObject(Date, {now: function(){
-    return +new Date
+  
+  // 20.3.3.1 / 15.9.4.4 Date.now()
+  $define(STATIC, 'Date', {now: function(){
+    return +new Date;
   }});
+  
+  if(isFunction(trimRegExp))isFunction = function(it){
+    return _classof(it) == FUNCTION;
+  }
+  if(_classof(function(){return arguments}()) == OBJECT)classof =  function(it){
+    var cof = _classof(it);
+    return cof != OBJECT || !isFunction(it.callee) ? cof : ARGUMENTS;
+  }
+  
+  create              = Export[OBJECT].create;
+  getPrototypeOf      = Export[OBJECT].getPrototypeOf;
+  keys                = Export[OBJECT].keys;
+  getOwnPropertyNames = Export[OBJECT].getOwnPropertyNames;
+  $indexOf            = Export[ARRAY].indexOf;
+  $forEach            = Export[ARRAY].forEach;
 }();

src/es6.js

@@ -1,161 +0,124 @@
-!function(){
-  var MAX_SAFE_INTEGER = 0x1fffffffffffff
-    , exp              = Math.exp
-    , ln               = Math.log
-    , sqrt             = Math.sqrt;
-  extendBuiltInObject(Object, {
-    /**
-     * 19.1.3.1 Object.assign ( target, source )
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-19.1.3.1
-     */
+/**
+ * ECMAScript 6 shim
+ * http://people.mozilla.org/~jorendorff/es6-draft.html
+ * http://wiki.ecmascript.org/doku.php?id=harmony:proposals
+ * Alternatives:
+ * https://github.com/paulmillr/es6-shim
+ * https://github.com/monolithed/ECMAScript-6
+ * https://github.com/inexorabletash/polyfill/blob/master/harmony.js
+ */
+!function(isFinite){
+  function sign(it){
+    return (it = +it) == 0 || it != it ? it : it < 0 ? -1 : 1;
+  }
+  $define(STATIC, OBJECT, {
+    // 19.1.3.1 Object.assign(target, source)
+    // The assign function is used to copy the values of all of the enumerable
+    // own properties from a source object to a target object.
     assign: assign,
-    /**
-     * 19.1.3.10 Object.is ( value1, value2 )
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-19.1.3.10
-     * http://wiki.ecmascript.org/doku.php?id=harmony:egal
-     */
-    is: same,
-    /**
-     * 19.1.3.15 Object.mixin ( target, source )
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-19.1.3.15
-     */
-    mixin: mixin//,
-    /**
-     * 19.1.3.19 Object.setPrototypeOf ( O, proto )
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-19.1.3.19
-     * work only if browser support __proto__
-    setPrototypeOf: function(O, proto){
-      if(!isObject(O) || !(isObject(proto) || proto === null)){
-        throw TypeError("Can't set " + proto + ' as prototype of ' + O)
+    // 19.1.3.10 Object.is(value1, value2)
+    is: same
+  });
+  // 19.1.3.19 Object.setPrototypeOf(O, proto)
+  // Works with __proto__ only. Old v8 can't works with null proto objects.
+  __PROTO__ && (function(set, buggy){
+    try { set({}, $Array) }
+    catch(e){ buggy = true }
+    $define(STATIC, OBJECT, {
+      setPrototypeOf: function(O, proto){
+        assertObject(O);
+        assert(isObject(proto) || proto === null, "Can't set", proto, 'as prototype');
+        if(buggy)O.__proto__ = proto;
+        else set(O, proto);
+        return O;
       }
-      O.__proto__ = proto;
-      return O
-    }
-     */
-  });
-  extendBuiltInObject(Number, {
-    /**
-     * 20.1.2.1 Number.EPSILON
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.1.2.1
-     * http://wiki.ecmascript.org/doku.php?id=harmony:number_epsilon
-     */
-    EPSILON: 2.220446049250313e-16,
-    /**
-     * 20.1.2.2 Number.isFinite (number)
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.1.2.2
-     * http://wiki.ecmascript.org/doku.php?id=harmony:number.isfinite
-     */
-    isFinite: izFinite,
-    /**
-     * 20.1.2.3 Number.isInteger (number)
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.1.2.3
-     * http://wiki.ecmascript.org/doku.php?id=harmony:number.isinteger
-     */
-    isInteger: isInt,
-    /**
-     * 20.1.2.4 Number.isNaN (number)
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.1.2.4
-     * http://wiki.ecmascript.org/doku.php?id=harmony:number.isnan
-     */
-    isNaN: izNaN,
-    /**
-     * 20.1.2.5 Number.isSafeInteger (number)
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.1.2.5
-     */
+    });
+  })(unbind(getOwnPropertyDescriptor($Object, '__proto__').set));
+  $define(STATIC, NUMBER, {
+    // 20.1.2.1 Number.EPSILON
+    EPSILON: pow(2, -52),
+    // 20.1.2.2 Number.isFinite(number)
+    isFinite: function(it){
+      return typeof it == 'number' && isFinite(it);
+    },
+    // 20.1.2.3 Number.isInteger(number)
+    isInteger: function(it){
+      return isFinite(it) && floor(it) === it;
+    },
+    // 20.1.2.4 Number.isNaN(number)
+    isNaN: function(number){
+      return typeof number == 'number' && number != number;
+    },
+    // 20.1.2.5 Number.isSafeInteger(number)
     isSafeInteger: function(number){
-      return isInt(number) && abs(number) <= MAX_SAFE_INTEGER;
+      return isInteger(number) && abs(number) <= MAX_SAFE_INTEGER;
     },
-    /**
-     * 20.1.2.6 Number.MAX_SAFE_INTEGER
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.1.2.6
-     */
+    // 20.1.2.6 Number.MAX_SAFE_INTEGER
     MAX_SAFE_INTEGER: MAX_SAFE_INTEGER,
-    /**
-     * 20.1.2.10 Number.MIN_SAFE_INTEGER
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.1.2.10
-     */
+    // 20.1.2.10 Number.MIN_SAFE_INTEGER
     MIN_SAFE_INTEGER: -MAX_SAFE_INTEGER,
-    /**
-     * 20.1.2.12 Number.parseFloat (string)
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.1.2.12
-     */
+    // 20.1.2.12 Number.parseFloat(string)
     parseFloat: parseFloat,
-    /***
-     * 20.1.2.13 Number.parseInt (string, radix)
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.1.2.13
-     */
+    // 20.1.2.13 Number.parseInt(string, radix)
     parseInt: parseInt
   });
-  extendBuiltInObject($Number, {
-    /**
-     * 20.1.3.1 Number.prototype.clz ()
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.1.3.1
-     */
-    clz: function(){
-      var number = this >>> 0;
-      return number ? 32 - number[toStringKey](2).length : 32
-    }
-  });
-  extendBuiltInObject(Math, {
-    /**
-     * 20.2.2.3 Math.acosh(x)
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.2.2.3
-     * Returns an implementation-dependent approximation to the inverse hyperbolic cosine of x.
-     */
+  var isInteger = Number.isInteger
+    , abs       = Math.abs
+    , exp       = Math.exp
+    , log       = Math.log
+    , sqrt      = Math.sqrt;
+  function asinh(x){
+    return !isFinite(x = +x) || x === 0 ? x : x < 0 ? -asinh(-x) : log(x + sqrt(x * x + 1));
+  }
+  $define(STATIC, 'Math', {
+    // 20.2.2.3 Math.acosh(x)
+    // Returns an implementation-dependent approximation to the inverse hyperbolic cosine of x.
     acosh: function(x){
-      return ln(x + sqrt(x * x - 1))
+      return log(x + sqrt(x * x - 1));
     },
-    /***
-     * 20.2.2.5 Math.asinh(x)
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.2.2.5
-     * Returns an implementation-dependent approximation to the inverse hyperbolic sine of x.
-     */
-    asinh: function(x){
-      return !izFinite(x) || x === 0 ? x : ln(x + sqrt(x * x + 1))
-    },
-    /**
-     * 20.2.2.7 Math.atanh(x)
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.2.2.7
-     * Returns an implementation-dependent approximation to the inverse hyperbolic tangent of x.
-     */
+    // 20.2.2.5 Math.asinh(x)
+    // Returns an implementation-dependent approximation to the inverse hyperbolic sine of x.
+    asinh: asinh,
+    // 20.2.2.7 Math.atanh(x)
+    // Returns an implementation-dependent approximation to the inverse hyperbolic tangent of x.
     atanh: function(x){
-      return x === 0 ? x : 0.5 * ln((1 + x) / (1 - x))
+      return x === 0 ? x : 0.5 * log((1 + x) / (1 - x));
     },
-    /**
-     * 20.2.2.9 Math.cbrt(x)
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.2.2.9
-     * Returns an implementation-dependent approximation to the cube root of x.
-     */
+    // 20.2.2.9 Math.cbrt(x)
+    // Returns an implementation-dependent approximation to the cube root of x.
     cbrt: function(x){
       return sign(x) * pow(abs(x), 1/3);
     },
-    /**
-     * 20.2.2.12 Math.cosh(x)
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.2.2.12
-     * Returns an implementation-dependent approximation to the hyperbolic cosine of x.
-     */
+    // 20.2.2.11 Math.clz32 (x)
+    clz32: function(x){
+      x = x >>> 0;
+      return x ? 32 - x.toString(2).length : 32;
+    },
+    // 20.2.2.12 Math.cosh(x)
+    // Returns an implementation-dependent approximation to the hyperbolic cosine of x.
     cosh: function(x){
-      return ((x = +x) == -Infinity) || x === 0 ? x : x(exp(x) + exp(-x)) / 2
+      return (exp(x) + exp(-x)) / 2;
     },
-    /**
-     * 20.2.2.14 Math.expm1 (x)
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.2.2.14
-     * Returns an implementation-dependent approximation to subtracting 1 from the exponential function of x 
-     */
+    // 20.2.2.14 Math.expm1(x)
+    // Returns an implementation-dependent approximation to subtracting 1 from the exponential function of x 
     expm1: function(x){
-      return same(x, -0) ? -0 : x > -1.0e-6 && x < 1.0e-6 ? x + x * x / 2 : exp(x) - 1
+      return same(x, -0) ? -0 : x > -1e-6 && x < 1e-6 ? x + x * x / 2 : exp(x) - 1;
     },
-    /**
-     * 20.2.2.16 Math.hypot( value1 , value2, value3 = 0 )
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.2.2.16
-     * Math.hypot returns an implementation-dependent approximation of the square root of the sum of squares of its arguments.
-     */
-    hypot: function(x, y, /*?*/z){
-      if(z === undefined)z = 0;
-      return isFinite(x) ? isFinite(y) ? isFinite(z) ? sqrt(x * x + y * y + z * z) : z : y : x
+    // 20.2.2.16 Math.fround(x)
+    // fround: function(x){ TODO },
+    // 20.2.2.17 Math.hypot([value1[, value2[, … ]]])
+    // Returns an implementation-dependent approximation of the square root
+    // of the sum of squares of its arguments.
+    hypot: function(value1, value2){
+      var sum    = 0
+        , length = arguments.length
+        , value;
+      while(length--){
+        value = +arguments[length];
+        if(value == Infinity || value == -Infinity)return Infinity;
+        sum += value * value;
+      }
+      return sqrt(sum);
     },
-    /**
-     * 20.2.2.17 Math.imul(x, y)
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.2.2.17
-     */
+    // 20.2.2.18 Math.imul(x, y)
     imul: function(x, y){
@@ -166,99 +129,58 @@ var xh = (x >>> 0x10) & 0xffff
         , yl = y & 0xffff;
-      return xl * yl + (((xh * yl + xl * yh) << 0x10) >>> 0) | 0
+      return xl * yl + (((xh * yl + xl * yh) << 0x10) >>> 0) | 0;
     },
-    /**
-     * 20.2.2.19 Math.log1p (x)
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.2.2.19
-     * Returns an implementation-dependent approximation to the natural logarithm of 1 + x.
-     * The result is computed in a way that is accurate even when the value of x is close to zero.
-     */
+    // 20.2.2.20 Math.log1p(x)
+    // Returns an implementation-dependent approximation to the natural logarithm of 1 + x.
+    // The result is computed in a way that is accurate even when the value of x is close to zero.
     log1p: function(x){
-      return (x > -1.0e-8 && x < 1.0e-8) ? (x - x * x / 2) : ln(1 + x)
+      return (x > -1e-8 && x < 1e-8) ? (x - x * x / 2) : log(1 + x);
     },
-    /**
-     * 20.2.2.20 Math.log10 (x)
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.2.2.20
-     * Returns an implementation-dependent approximation to the base 10 logarithm of x.
-     */
+    // 20.2.2.21 Math.log10(x)
+    // Returns an implementation-dependent approximation to the base 10 logarithm of x.
     log10: function(x){
-      return ln(x) / Math.LN10
+      return log(x) / Math.LN10;
     },
-    /**
-     * 20.2.2.21 Math.log2 (x)
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.2.2.21
-     * Returns an implementation-dependent approximation to the base 2 logarithm of x.
-     */
+    // 20.2.2.22 Math.log2(x)
+    // Returns an implementation-dependent approximation to the base 2 logarithm of x.
     log2: function(x){
-      return ln(x) / Math.LN2
+      return log(x) / Math.LN2;
     },
-    /**
-     * 20.2.2.28 Math.sign(x)
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.2.2.28
-     * Returns the sign of the x, indicating whether x is positive, negative or zero.
-     */
+    // 20.2.2.28 Math.sign(x)
+    // Returns the sign of the x, indicating whether x is positive, negative or zero.
     sign: sign,
-    /**
-     * 20.2.2.30 Math.sinh(x)
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.2.2.30
-     * Returns an implementation-dependent approximation to the hyperbolic sine of x.
-     */
+    // 20.2.2.30 Math.sinh(x)
+    // Returns an implementation-dependent approximation to the hyperbolic sine of x.
     sinh: function(x){
-      return ((x = +x) == -Infinity) || x == 0 ? x : (exp(x) - exp(-x)) / 2
+      return ((x = +x) == -Infinity) || x == 0 ? x : (exp(x) - exp(-x)) / 2;
     },
-    /**
-     * 20.2.2.33 Math.tanh(x)
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.2.2.33
-     * Returns an implementation-dependent approximation to the hyperbolic tangent of x.
-     */
+    // 20.2.2.33 Math.tanh(x)
+    // Returns an implementation-dependent approximation to the hyperbolic tangent of x.
     tanh: function(x){
-      return izFinite(x = +x) ? x == 0 ? x : (exp(x) - exp(-x)) / (exp(x) + exp(-x)) : sign(x)
+      return isFinite(x = +x) ? x == 0 ? x : (exp(x) - exp(-x)) / (exp(x) + exp(-x)) : sign(x);
     },
-    /**
-     * 20.2.2.34 Math.trunc(x)
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-20.2.2.34
-     * Returns the integral part of the number x, removing any fractional digits. If x is already an integer, the result is x.
-     */
+    // 20.2.2.34 Math.trunc(x)
+    // Returns the integral part of the number x, removing any fractional digits.
+    // If x is already an integer, the result is x.
     trunc: function(x){
-      return (x = +x) == 0 ? x : (x > 0 ? floor : ceil)(x)
+      return (x = +x) == 0 ? x : (x > 0 ? floor : ceil)(x);
     }
   });
-  /*
-  extendBuiltInObject(String, {
-    // 21.1.2.2 String.fromCodePoint ( ...codePoints)
-    // https://people.mozilla.com/~jorendorff/es6-draft.html#sec-21.1.2.2
-    fromCodePoint: function(){ TODO },
-    // 21.1.2.4 String.raw ( callSite, ...substitutions)
-    // https://people.mozilla.com/~jorendorff/es6-draft.html#sec-21.1.2.4
-    raw: function(){ TODO }
-  });
-  */
-  extendBuiltInObject($String, {
-    /**
-     * 21.1.3.3 String.prototype.codePointAt (pos)
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-21.1.3.3
-     */
-    codePointAt: function(pos /* = 0 */){
-      var value = String(this)
-        , size = value.length;
-      if((pos |= 0) < 0 || pos >= size)return NaN;
-      var first = value.charCodeAt(pos);
-      if(first < 0xD800 || first > 0xDBFF || pos + 1 == size)return first;
-      var second = value.charCodeAt(pos + 1);
-      return(second < 0xDC00 || first > 0xDFFF) ? first : ((first - 0xD800) << 1024) + (second - 0xDC00) + 0x10000
-    },
-    /**
-     * 21.1.3.6 String.prototype.contains (searchString, position = 0 )
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-21.1.3.6
-     * http://wiki.ecmascript.org/doku.php?id=harmony:string_extras
-     * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/contains
-     */
+  // 20.2.1.9 Math [ @@toStringTag ]
+  setTag(Math, 'Math', 1);
+  /**
+    $define(STATIC, STRING, {
+      // 21.1.2.2 String.fromCodePoint(...codePoints)
+      // fromCodePoint: function(){ TODO },
+      // 21.1.2.4 String.raw(callSite, ...substitutions)
+      raw: function(){ TODO }
+    });
+    */
+  $define(PROTO, STRING, {
+    // 21.1.3.3 String.prototype.codePointAt(pos)
+    // codePointAt: function(pos /* = 0 * /){ TODO },
+    // 21.1.3.6 String.prototype.contains(searchString, position = 0)
     contains: function(searchString, position /* = 0 */){
-      return !!~String(this)[indexOf](searchString, position)
+      return !!~String(this).indexOf(searchString, position);
     },
-    /**
-     * 21.1.3.7 String.prototype.endsWith (searchString [, endPosition] )
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-21.1.3.7
-     * http://wiki.ecmascript.org/doku.php?id=harmony:string_extras
-     * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/endsWith
-     */
+    // 21.1.3.7 String.prototype.endsWith(searchString [, endPosition])
     endsWith: function(searchString, endPosition /* = @length */){
@@ -268,97 +190,70 @@ var length = this.length;
       endPosition = toLength(min(endPosition === undefined ? length : endPosition, length));
-      return String(this).slice(endPosition - searchString.length, endPosition) === searchString
+      return String(this).slice(endPosition - searchString.length, endPosition) === searchString;
     },
-    /**
-     * 21.1.3.13 String.prototype.repeat (count)
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-21.1.3.13
-     * http://wiki.ecmascript.org/doku.php?id=harmony:string.prototype.repeat
-     */
+    // 21.1.3.13 String.prototype.repeat(count)
     repeat: function(count){
-      return fill.call(Array(toInt(count)), this).join('')
+      assert(0 <= (count |= 0), "Count can't be negative");
+      return Array(count + 1).join(this);
     },
-    /**
-     * 21.1.3.18 String.prototype.startsWith (searchString [, position ] )
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-21.1.3.18
-     * http://wiki.ecmascript.org/doku.php?id=harmony:string_extras
-     * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/startsWith
-     */
+    // 21.1.3.18 String.prototype.startsWith(searchString [, position ])
     startsWith: function(searchString, position /* = 0 */){
       searchString += '';
       position = toLength(min(position, this.length));
-      return String(this).slice(position, position + searchString.length) === searchString
+      return String(this).slice(position, position + searchString.length) === searchString;
     }
   });
-  extendBuiltInObject(Array, {
-    /**
-     * 22.1.2.1 Array.from ( arrayLike , mapfn=undefined, thisArg=undefined )
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-22.1.2.1
-     * http://wiki.ecmascript.org/doku.php?id=strawman:array_extras
-     */
+  $define(STATIC, ARRAY, {
+    // 22.1.2.1 Array.from(arrayLike, mapfn = undefined, thisArg = undefined)
     from: function(arrayLike, mapfn /* -> it */, thisArg /* = undefind */){
-      var O = arrayLikeSelf(arrayLike)
-        , i = 0
-        , length = toLength(O.length)
-        , result = new (isFunction(this) ? this : Array)(length);
-      if(mapfn)for(; i < length; i++)i in O && (result[i] = mapfn.call(thisArg, O[i], i, O));
-      else for(; i < length; i++)i in O && (result[i] = O[i]);
-      return result
+      if(mapfn !== undefined)assertFunction(mapfn);
+      var O      = ES5Object(arrayLike)
+        , result = new (isFunction(this) ? this : Array)
+        , i = 0, length, iter, step;
+      if(isIterable && isIterable(O)){
+        iter = getIterator(O);
+        while(!(step = iter.next()).done)push.call(result, mapfn ? mapfn.call(thisArg, step.value, i++) : step.value);
+      } else for(length = toLength(O.length); i < length; i++)push.call(result, mapfn ? mapfn.call(thisArg, O[i], i) : O[i]);
+      return result;
     },
-    /**
-     * 22.1.2.3 Array.of ( ...items )
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-22.1.2.3
-     * http://wiki.ecmascript.org/doku.php?id=strawman:array_extras
-     */
-    of: function(/*args...*/){
-      var i = 0
-        , length = arguments.length
-        , result = new (isFunction(this) ? this : Array)(length);
-      while(i < length)result[i] = arguments[i++];
-      return result
+    // 22.1.2.3 Array.of( ...items)
+    of: function(/*...args*/){
+      var i = 0, length = arguments.length
+        , result = new (isFunction(this) ? this : Array);
+      while(i < length)push.call(result, arguments[i++]);
+      return result;
     }
   });
-  function fill(value, start /* = 0 */, end /* = @length */){
-    var length = toLength(this.length);
-    if((start |= 0) < 0 && (start = length + start) < 0)return this;
-    end = end == undefined ? length : end | 0;
-    while(end > start)this[start++] = value;
-    return this
+  function findIndex(predicate, thisArg /* = undefind */){
+    assertFunction(predicate);
+    var O      = Object(this)
+      , self   = ES5Object(O)
+      , length = toLength(self.length)
+      , i = 0;
+    for(; i < length; i++){
+      if(i in self && predicate.call(thisArg, self[i], i, O))return i;
+    }
+    return -1;
   }
-  extendBuiltInObject($Array, {
-    /**
-     * 22.1.3.3 Array.prototype.copyWithin (target, start, end = this.length)
-     * http://people.mozilla.org/~jorendorff/es6-draft.html#sec-array.prototype.copywithin
-    copyWithin: function(target, start, end){
-
+  $define(PROTO, ARRAY, {
+    // 22.1.3.3 Array.prototype.copyWithin(target, start, end = this.length)
+    // copyWithin: function(target, start, end){ TODO },
+    // 22.1.3.6 Array.prototype.fill(value, start = 0, end = this.length)
+    fill: function(value, start /* = 0 */, end /* = @length */){
+      var length = toLength(this.length);
+      start = toInteger(start);
+      if(0 > start)start = length + start;
+      end = end == undefined ? length : toInteger(end);
+      while(end > start)this[start++] = value;
+      return this;
     },
-     */
-    /**
-     * 22.1.3.6 Array.prototype.fill (value, start = 0, end = this.length)
-     * http://people.mozilla.org/~jorendorff/es6-draft.html#sec-22.1.3.6
-     * http://wiki.ecmascript.org/doku.php?id=strawman:array_fill_and_move
-     */
-    fill: fill,
-    /**
-     * 22.1.3.8 Array.prototype.find ( predicate , thisArg = undefined )
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-22.1.3.8
-     */
+    // 22.1.3.8 Array.prototype.find(predicate, thisArg = undefined)
     find: function(predicate, thisArg /* = undefind */){
-      var O = Object(this)
-        , self = arrayLikeSelf(O)
-        , length = toLength(self.length)
-        , val, i = 0;
-      for(; i < length; i++)if(i in self && predicate.call(thisArg, val = self[i], i, O))return val
+      var index = findIndex.call(this, predicate, thisArg);
+      if(~index)return ES5Object(this)[index];
     },
-    /**
-     * 22.1.3.9 Array.prototype.findIndex ( predicate , thisArg = undefined )
-     * https://people.mozilla.com/~jorendorff/es6-draft.html#sec-22.1.3.9
-     */
-    findIndex: function(predicate, thisArg /* = undefind */){
-      var O = Object(this)
-        , self = arrayLikeSelf(O)
-        , length = toLength(self.length)
-        , i = 0;
-      for(; i < length; i++)if(i in self && predicate.call(thisArg, self[i], i, O))return i;
-      return -1
-    }
+    // 22.1.3.9 Array.prototype.findIndex(predicate, thisArg = undefined)
+    findIndex: findIndex
   });
-}();
+  // 24.3.3 JSON [ @@toStringTag ]
+  setTag(global.JSON, 'JSON', 1);
+}(isFinite);

src/function.js

@@ -1,97 +0,13 @@
-function inherits(parent){
-  this[prototype] = create(parent[prototype], getOwnPropertyDescriptors(this[prototype]));
-  return this
-}
-extendBuiltInObject(Function, {
-  isNative: isNative,
-  inherits: $unbind(inherits)
+$define(STATIC, FUNCTION, {
+  isFunction: isFunction,
+  isNative: isNative
 });
-extendBuiltInObject($Function, {
-  // method -> function
-  unbind: unbind,
-  // function -> method
-  methodize: methodize,
-  // partial apply
-  part: part,
-  partial: function(args/*?*/, that){
-    var fn       = this
-      , argsPart = toArray(args)
-      , isThat   = arguments.length > 1;
-    return function(/*args...*/){
-      var args   = toArray(argsPart)
-        , length = arguments.length
-        , i, current = i = 0;
-      while(length > i){
-        while(args[current] !== undefined)current++;
-        args[current++] = arguments[i++]
-      }
-      return fn.apply(isThat ? that : this, args)
-    }
-  },
-  // http://www.wirfs-brock.com/allen/posts/166
-  // http://habrahabr.ru/post/114737/
-  only: function(numberArguments/*?*/, that){
-    numberArguments |= 0;
-    var fn     = this
-      , isThat = arguments.length > 1;
-    return function(/*args...*/){
-      return fn.apply(isThat ? that : this, slice.call(arguments, 0, min(numberArguments, arguments.length)))
-    }
-  },
-  // simple bind context
-  ctx: ctx,
-  invoke: function(args){
-    var instance = create(this[prototype])
-      , result   = this.apply(instance, arrayLikeSelf(args || []));
-    return isObject(result) ? result : instance
-  },
-  once: function(){
-    var fn   = this
-      , wait = 1
-      , result;
-    return function(/*args...*/){
-      if(wait){
-        wait   = 0;
-        result = fn.apply(this, arguments)
-      }
-      return result
-    }
-  },
-  // AOP
-  error: function(cb /*cb(error, arguments)*/){
-    var fn = this;
-    return function(/*args...*/){
-      var args = toArray(arguments);
-      try{return fn.apply(this, args)}
-      catch(e){return cb.call(this, e, args)}
-    }
-  },
-  before: function(cb /*cb(arguments)*/){
-    var fn = this;
-    return function(/*args...*/){
-      var args = toArray(arguments);
-      cb.call(this, args);
-      return fn.apply(this, args)
-    }
-  },
-  after: function(cb /*cb(result, arguments)*/){
-    var fn = this;
-    return function(/*args...*/){
-      var args        = toArray(arguments)
-        , result      = fn.apply(this, args)
-        , resultAfter = cb.call(this, result, args);
-      return resultAfter === undefined ? result : resultAfter
-    }
-  },
-  // deferred call
-  timeout: function(del /*, args...*/){
-    return $part(clearTimeout, setTimeout(part.apply(this, slice1(arguments)), del))
-  },
-  interval: function(del /*, args...*/){
-    return $part(clearInterval, setInterval(part.apply(this, slice1(arguments)), del))
-  },
-  immediate: function(/* args...*/){
-    return $part(clearImmediate, setImmediate(part.apply(this, arguments)))
-  },
-  inherits: inherits
+$define(PROTO, FUNCTION, {
+  // 7.3.18 Construct (F, argumentsList)
+  construct: function(args){
+    assertFunction(this);
+    var instance = create(this[PROTOTYPE])
+      , result   = this.apply(instance, ES5Object(args));
+    return isObject(result) ? result : instance;
+  }
 });

src/global.js

@@ -1,1 +0,1 @@
-global.global = global;
+$define(GLOBAL, {global: global});

src/number.js

@@ -1,55 +0,72 @@
-extendBuiltInObject(Number, {
-  toInteger: toInt
+$define(STATIC, NUMBER, {
+  /**
+   * Alternatives:
+   * http://mootools.net/docs/core/Types/Number#Number:toInt
+   */
+  toInteger: toInteger
 });
-extendBuiltInObject($Number, {
-  div: function(divisor){
-    var result = this / divisor;
-    return (result > 0 ? floor : ceil)(result)
+$define(PROTO, NUMBER, {
+  /**
+   * Invoke function @ times and return array of results
+   * Alternatives:
+   * http://underscorejs.org/#times
+   * http://sugarjs.com/api/Number/times
+   * http://api.prototypejs.org/language/Number/prototype/times/
+   * http://mootools.net/docs/core/Types/Number#Number:times
+   */
+  times: function(fn /* = -> it */, that /* = undefined */){
+    var number = toLength(this)
+      , result = Array(number)
+      , i      = 0;
+    if(isFunction(fn))while(number > i)result[i] = fn.call(that, i, i++, this);
+    else while(number > i)result[i] = i++;
+    return result;
   },
-  times: function(fn, that /* = undefined */){
-    var i = 0, num = this | 0, result = Array(num);
-    if(isFunction(fn))while(num > i)result[i] = fn.call(that, i, i++, this);
-    return result
-  },
   random: function(number /* = 0 */){
-    var a = this || 0
-      , b = number || 0
+    var a = +this   || 0
+      , b = +number || 0
       , m = min(a, b);
-    return random() * (max(a, b) - m) + m
-  },
-  rand: function(number /* = 0 */){
-    var a = toInt(this)
-      , b = toInt(number)
-      , m = min(a, b);
-    return floor((random() * (max(a, b) + 1 - m)) + m)
-  },
-  isOdd: function(){
-    return !!(this % 2) && !(this % 1)
-  },
-  isEven: function(){
-    return 0 === this % 2
-  },
-  format: function(afterDot /* = 0 */, thousandsSeparator /* = '' */, decimalMark /* = '.' */){
-    var afterDot    = toLength(afterDot)
-      , integer     = String(toInt(this))
-      , fractional  = leadZero(toInt(abs(Math.round((this - integer) * pow(10, afterDot)))), afterDot);
-    if(thousandsSeparator){
-      integer    = integer   .replace(/(\d)(?=(\d{3})+(?!\d))/g, '$1' + thousandsSeparator);
-      fractional = fractional.replace(/(\d{3})(?=\d)/g,          '$1' + thousandsSeparator);
-    }
-    return afterDot ? integer + (decimalMark == undefined ? '.' : decimalMark) + fractional : integer;
+    return random() * (max(a, b) - m) + m;
   }
 });
-extendBuiltInObject($Number, reduceTo.call(
-  // IE...
-  // getOwnPropertyNames(Math),
-  splitComma(
+$define(STATIC, 'Math', {
+  /**
+   * Alternatives:
+   * http://underscorejs.org/#random
+   * http://mootools.net/docs/core/Types/Number#Number:Number-random
+   */
+  randomInt: function(a /* = 0 */, b /* = 0 */){
+    a = toInteger(a);
+    b = toInteger(b);
+    var m = min(a, b);
+    return floor((random() * (max(a, b) + 1 - m)) + m);
+  }
+});
+/**
+ * Math functions in Number.prototype
+ * Alternatives:
+ * http://sugarjs.com/api/Number/math
+ * http://mootools.net/docs/core/Types/Number#Number-Math
+ */
+$define(PROTO, NUMBER, transform.call(
+  // IE... getOwnPropertyNames(Math)
+  array(
     // ES3
-    'round,floor,ceil,abs,sin,asin,cos,acos,tan,atan,exp,pow,sqrt,max,min,pow,atan2,' +
+    'round,floor,ceil,abs,sin,asin,cos,acos,tan,atan,exp,sqrt,max,min,pow,atan2,' +
     // ES6
-    'acosh,asinh,atanh,cbrt,cosh,expm1,hypot,imul,log1p,log10,log2,sign,sinh,tanh,trunc'
+    'acosh,asinh,atanh,cbrt,clz32,cosh,expm1,hypot,imul,log1p,log10,log2,sign,sinh,tanh,trunc,' +
+    // Core.js
+    'randomInt'
   ),
-  function(key){
-    if(key in Math)this[key] = methodize.call(Math[key]);
-  }
+  function(memo, key){
+    if(key in Math)memo[key] = (function(fn){
+      return function(/*...args*/){
+        // ie8- convert `this` to object -> convert it to number
+        var args = [+this]
+          , i    = 0;
+        while(arguments.length > i)args.push(arguments[i++]);
+        return fn.apply(undefined, args);
+      }
+    })(Math[key])
+  }, {}
 ));

src/object.js

@@ -1,332 +0,68 @@
-!function(){
-  function merge(target, source, deep /* = false */, reverse /* = false */, desc /* = false */, stackA, stackB){
-    if(isObject(target) && isObject(source)){
-      var isComp = isFunction(reverse)
-        , names  = (desc ? getOwnPropertyNames : keys)(source)
-        , length = names.length
-        , i      = 0
-        , key, targetDescriptor, sourceDescriptor;
-      while(length > i){
-        key = names[i++];
-        if(has(target, key) && (isComp ? reverse(target[key], source[key]) : reverse)){// if key in target && reverse merge
-          deep && merge(target[key], source[key], 1, reverse, desc, stackA, stackB)    // if not deep - skip
-        }
-        else if(desc){
-          targetDescriptor = getOwnPropertyDescriptor(target, key) || $Object;
-          if(targetDescriptor.configurable !== false && delete target[key]){
-            sourceDescriptor = getOwnPropertyDescriptor(source, key);
-            if(deep && !sourceDescriptor.get && !sourceDescriptor.set){
-              sourceDescriptor.value =
-                merge(clone(sourceDescriptor.value, 1, 1, stackA, stackB),
-                  targetDescriptor.value, 1, 1, 1, stackA, stackB);
-            }
-            defineProperty(target, key, sourceDescriptor)
-          }
-        }
-        else target[key] = deep
-          ? merge(clone(source[key], 1, 0, stackA, stackB), target[key], 1, 1, 0, stackA, stackB)
-          : source[key]
-      }
-    }
-    return target
-  }
+$define(STATIC, OBJECT, {
   /**
-   * http://wiki.ecmascript.org/doku.php?id=strawman:structured_clone
-   * https://github.com/dslomov-chromium/ecmascript-structured-clone
+   * Alternatives:
+   * http://underscorejs.org/#has
+   * http://sugarjs.com/api/Object/has
    */
-  function clone(object, deep /* = false */, desc /* = false */, stackA, stackB){
-    if(!isObject(object))return object;
-    stackA || (stackA = []);
-    stackB || (stackB = []);
-    var already = stackA[indexOf](object)
-      , F       = object.constructor
-      , result;
-    if(~already)return stackB[already];
-    switch(classof(object)){
-      case 'Arguments' :
-      case 'Array'     :
-        result = Array(object.length);
-        break;
-      case 'Function'  :
-        return object;
-      case 'RegExp'    :
-        result = RegExp(object.source, getRegExpFlags.call(object));
-        break;
-      case 'String'    :
-        return new F(object);
-      case 'Boolean'   :
-      case 'Date'      :
-      case 'Number'    :
-        result = new F(object.valueOf());
-        break;
-      /*
-      case 'Set'       :
-        result = new F;
-        object.forEach(result.add, result);
-        break;
-      case 'Map'       :
-        result = new F;
-        object.forEach(function(val, key){
-          result.set(key, val);
-        });
-        break;
-      */
-      default:
-        result = create(getPrototypeOf(object))
-    }
-    stackA.push(object);
-    stackB.push(result);
-    return merge(result, object, deep, 0, desc, stackA, stackB)
-  }
-  function make(proto, props, simple /* = false */){
-    return props ? (simple ? assign : mixin)(create(proto), props) : create(proto)
-  }
-  // Objects deep compare
-  function deepEqual(a, b, StackA, StackB){
-    if(same(a, b))return true;
-    var type = classof(a)
-      , length, keys, val;
-    if(
-      !isObject(a) || !isObject(b)
-      || type != classof(b)
-      || getPrototypeOf(a) != getPrototypeOf(b)
-    )return false;
-    StackA = isArray(StackA) ? StackA.concat([a]) : [a];
-    StackB = isArray(StackB) ? StackB.concat([b]) : [b];
-    switch(type){
-      case'Boolean'   :
-      case'String'    :
-      case'Number'    : return a.valueOf() == b.valueOf();
-      case'RegExp'    : return String(a) == String(b);
-      case'Error'     : return a.message == b.message;/*
-      case'Array'     :
-      case'Arguments' :
-        length = toLength(a.length);
-        if(length != b.length)return false;
-        while(length--){
-          if(
-            !(~StackA[indexOf](a[length]) && ~StackB[indexOf](b[length]))
-            && !deepEqual(a[length], b[length], StackA, StackB)
-          )return false;
-        }
-        return true*/
-    }
-    keys = getOwnPropertyNames(a);
-    length = keys.length;
-    if(length != getOwnPropertyNames(b).length)return false;
-    while(length--){
-      if(
-        !(~StackA[indexOf](a[val = keys[length]]) && ~StackB[indexOf](b[val]))
-        && !deepEqual(a[val], b[val], StackA, StackB)
-      )return false
-    }
-    return true
-  }
-  function forOwnKeys(object, fn, that /* = undefined */){
-    var O      = arrayLikeSelf(object)
-      , props  = keys(O)
-      , length = props.length
+  isEnumerable: unbind(isEnumerable),
+  isPrototype: unbind($Object.isPrototypeOf),
+  // http://wiki.ecmascript.org/doku.php?id=harmony:extended_object_api
+  getPropertyDescriptor: getPropertyDescriptor,
+  // http://wiki.ecmascript.org/doku.php?id=strawman:extended_object_api
+  // ES7 : http://esdiscuss.org/topic/april-8-2014-meeting-notes#content-1
+  getOwnPropertyDescriptors: getOwnPropertyDescriptors,
+  /**
+   * Shugar for Object.create
+   * Alternatives:
+   * http://lodash.com/docs#create
+   */
+  make: function(proto, props){
+    return props == undefined ? create(proto) : create(proto, getOwnPropertyDescriptors(props));
+  },
+  /**
+   * 19.1.3.15 Object.mixin ( target, source )
+   * Removed in Draft Rev 22, January 20, 2014
+   * http://esdiscuss.org/topic/november-19-2013-meeting-notes#content-1
+   */
+  define: function(target, source){
+    return defineProperties(target, getOwnPropertyDescriptors(source));
+  },
+  // ~ ES7 : http://esdiscuss.org/topic/april-8-2014-meeting-notes#content-1
+  values: function(object){
+    var O      = ES5Object(object)
+      , names  = keys(object)
+      , length = names.length
       , i      = 0
-      , key;
-    while(length > i)fn.call(that, O[key = props[i++]], key, object);
-    return object
-  }
-  function findIndex(object, fn, that /* = undefined */){
-    var O      = arrayLikeSelf(object)
-      , props  = keys(O)
-      , length = props.length
+      , result = Array(length);
+    while(length > i)result[i] = O[names[i++]];
+    return result;
+  },
+  // ~ ES7 : http://esdiscuss.org/topic/april-8-2014-meeting-notes#content-1
+  entries: function(object){
+    var O      = ES5Object(object)
+      , names  = keys(object)
+      , length = names.length
       , i      = 0
+      , result = Array(length)
       , key;
-    while(length > i){
-      if(fn.call(that, O[key = props[i++]], key, object))return key
-    }
-  }
-  extendBuiltInObject(Object, {
-    has: has,
-    isEnumerable: isEnumerable,
-    isPrototype: $unbind($Object.isPrototypeOf),
-    classof: classof,
-    bind: function(object, key){
-      var args = toArray(arguments);
-      args.splice(1, 1);
-      return $Function.bind.apply(object[key], args)
-    },
-    // Extended object api from harmony and strawman :
-    // http://wiki.ecmascript.org/doku.php?id=harmony:extended_object_api
-    getPropertyDescriptor: getPropertyDescriptor,
-    // http://wiki.ecmascript.org/doku.php?id=harmony:extended_object_api
-    getOwnPropertyDescriptors: getOwnPropertyDescriptors,
-    // http://wiki.ecmascript.org/doku.php?id=strawman:extended_object_api
-    getPropertyDescriptors: function(object){
-      var result = getOwnPropertyDescriptors(object)
-        , i, length, names, key;
-      while(object = getPrototypeOf(object)){
-        names  = getOwnPropertyNames(object);
-        i      = 0;
-        length = names.length;
-        while(length > i){
-          if(!has(result, key = names[i++])){
-            result[key] = getOwnPropertyDescriptor(object, key);
-          }
-        }
-      }
-      return result
-    },
-    // http://wiki.ecmascript.org/doku.php?id=strawman:extended_object_api
-    getPropertyNames: function(object){
-      var result = getOwnPropertyNames(object)
-        , i, length, names, key;
-      while(object = getPrototypeOf(object)){
-        i      = 0;
-        names  = getOwnPropertyNames(object);
-        length = names.length;
-        while(length > i)~result[indexOf](key = names[i++]) || result.push(key)
-      }
-      return result
-    },
-    // Shugar for Object.create
-    make: make,
-    // Shugar for Object.make(null[, props, simple])
-    plane: function(props, simple /* = false */){
-      return make(null, props, simple)
-    },
-    clone: clone,
-    merge: merge,
-    // Shugar for Object.merge(target, props, 1, 1)
-    defaults: function(target, props){
-      return merge(target, props, 1, 1)
-    },
-    // {a: b} -> [b]
-    values: function(object){
-      var props  = keys(object)
-        , length = props.length
-        , result = Array(length)
-        , i      = 0;
-      while(length > i)result[i] = object[props[i++]];
-      return result
-    },
-    // {a: b} -> {b: a}
-    invert: invert,
-    // Enumerable
-    every: function(object, fn, that /* = undefined */){
-      var O      = arrayLikeSelf(object)
-        , props  = keys(O)
-        , length = props.length
-        , i      = 0
-        , key;
-      while(length > i){
-        if(!fn.call(that, O[key = props[i++]], key, object))return false;
-      }
-      return true
-    },
-    filter: function(object, fn, that /* = undefined */){
-      var O      = arrayLikeSelf(object)
-        , result = {}
-        , props  = keys(O)
-        , length = props.length
-        , i      = 0
-        , key;
-      while(length > i){
-        if(fn.call(that, O[key = props[i++]], key, object))result[key] = O[key];
-      }
-      return result
-    },
-    find: function(object, fn, that /* = undefined */){
-      var index = findIndex(object, fn, that);
-      return index === undefined ? undefined : object[index];
-    },
-    findIndex: findIndex,
-    forEach: forOwnKeys,
-    indexOf: function(object, searchElement){
-      var O      = arrayLikeSelf(object)
-        , props  = keys(O)
-        , length = props.length
-        , i      = 0
-        , key;
-      while(length > i)if(same(O[key = props[i++]],searchElement))return key
-    },
-    map: function(object, fn, that /* = undefined */){
-      var O      = arrayLikeSelf(object)
-        , result = {}
-        , props  = keys(O)
-        , length = props.length
-        , i      = 0
-        , key;
-      while(length > i){
-        result[key = props[i++]] = fn.call(that, O[key], key, object);
-      }
-      return result
-    },
-    reduce: function(object, fn, result /* = undefined */, that /* = undefined */){
-      var O      = arrayLikeSelf(object)
-        , props  = keys(O)
-        , i      = 0
-        , length = props.length
-        , key;
-      if(arguments.length < 3){
-        if(!length--)throw TypeError(REDUCE_ERROR);
-        result = O[props.shift()];
-      }
-      while(length > i){
-        result = fn.call(that, result, O[key = props[i++]], key, object);
-      }
-      return result
-    },
-    some: function(object, fn, that /* = undefined */){
-      var O      = arrayLikeSelf(object)
-        , props  = keys(O)
-        , length = props.length
-        , i      = 0
-        , key;
-      while(length > i){
-        if(fn.call(that, O[key = props[i++]], key, object))return true;
-      }
-      return false
-    },
-    props: function(object, prop){
-      object = arrayLikeSelf(object);
-      var names  = keys(object)
-        , result = {}
-        , length = names.length
-        , i      = 0
-        , key, val;
-      while(length > i){
-        key = names[i++];
-        val = object[key];
-        result[key] = val == undefined ? undefined : val[prop]
-      }
-      return result
-    },
-    reduceTo: function(object, fn, target){
-      target = Object(target);
-      forOwnKeys(object, fn, target);
-      return target;
-    },
-    deepEqual: deepEqual,
-    isObject: isObject,
-    isUndefined: function(it){
-      return it === undefined
-    },
-    isNull     : function(it){
-      return it === null
-    },
-    isNumber   : function(it){
-      return toString(it) == '[object Number]'
-    },
-    isString   : isString,
-    isBoolean  : function(it){
-      return it === !!it || toString(it) == '[object Boolean]'
-    },
-    isArray    : isArray,
-    isFunction : isFunction,
-    isRegExp   : function(it){
-      return toString(it) == '[object RegExp]'
-    },
-    isDate     : function(it){
-      return toString(it) == '[object Date]'
-    },
-    isError    : function(it){
-      return toString(it) == '[object Error]'
-    }
-  });
-}();
+    while(length > i)result[i] = [key = names[i++], O[key]];
+    return result;
+  },
+  /**
+   * Alternatives:
+   * http://underscorejs.org/#isObject
+   * http://sugarjs.com/api/Object/isType
+   * http://docs.angularjs.org/api/angular.isObject
+   */
+  isObject: isObject,
+  /**
+   * Alternatives:
+   * http://livescript.net/#operators -> typeof!
+   * http://mootools.net/docs/core/Core/Core#Core:typeOf
+   * http://api.jquery.com/jQuery.type/
+   */
+  classof: classof,
+  // Simple symbol API
+  symbol: symbol,
+  hidden: hidden
+});

src/regexp.js

@@ -1,4 +0,14 @@
-extendBuiltInObject(RegExp[prototype], {
-  fn: RegExpToFunction,
-  getFlags: getRegExpFlags
-});
+!function(escape){
+  /**
+   * https://gist.github.com/kangax/9698100
+   * Alternatives:
+   * http://sugarjs.com/api/String/escapeRegExp
+   * http://api.prototypejs.org/language/RegExp/escape/
+   * http://mootools.net/docs/core/Types/String#String:escapeRegExp
+   */
+  $define(STATIC, REGEXP, {
+    escape: function(it){
+      return String(it).replace(escape, '\\$1');
+    }
+  });
+}(/([\\\-[\]{}()*+?.,^$|])/g);

src/string.js

 !function(){
-  var LTrimRegExp = RegExp(LTrim)
-    , RTrimRegExp = RegExp(RTrim)
-    , dictionaryEscapeHTML = {
+  var escapeHTMLDict = {
         '&': '&',
@@ -9,45 +7,33 @@ '<': '&lt;',
         '"': '&quot;',
-        "'": '&apos;',
-        '/': '&#x2f;'
+        "'": '&apos;'
       }
-    , dictionaryUnescapeHTML = invert(dictionaryEscapeHTML)
-    , RegExpEscapeHTML = RegExp('[' + keys(dictionaryEscapeHTML).join('') + ']', 'g')
-    , RegExpUnescapeHTML = RegExp('(' + keys(dictionaryUnescapeHTML).join('|') + ')', 'g')
-    , RegExpEscapeRegExp = /([\\\/'*+?|()\[\]{}.^$])/g;
-  extendBuiltInObject($String, {
-    // https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/String/trimLeft
-    trimLeft: function(){
-      return String(this).replace(LTrimRegExp, '')
-    },
-    // https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/String/trimRight
-    trimRight: function(){
-      return String(this).replace(RTrimRegExp, '')
-    },
+    , unescapeHTMLDict = transform.call(keys(escapeHTMLDict), function(memo, key){
+        memo[escapeHTMLDict[key]] = key;
+      }, {})
+    , RegExpEscapeHTML   = /[&<>"']/g
+    , RegExpUnescapeHTML = /&(?:amp|lt|gt|quot|apos);/g;
+  $define(PROTO, STRING, {
+    /**
+     * Alternatives:
+     * http://underscorejs.org/#escape
+     * http://sugarjs.com/api/String/escapeHTML
+     * http://api.prototypejs.org/language/String/prototype/escapeHTML/
+     */
     escapeHTML: function(){
       return String(this).replace(RegExpEscapeHTML, function(part){
-        return dictionaryEscapeHTML[part];
-      })
+        return escapeHTMLDict[part];
+      });
     },
+    /**
+     * Alternatives:
+     * http://underscorejs.org/#unescape
+     * http://sugarjs.com/api/String/unescapeHTML
+     * http://api.prototypejs.org/language/String/prototype/unescapeHTML/
+     */
     unescapeHTML: function(){
-      return String(this).replace(RegExpUnescapeHTML, function(part, key){
-        return dictionaryUnescapeHTML[key];
-      })
-    },
-    escapeURL: function(component /* = false */){
-      return (component ? encodeURIComponent : encodeURI)(this)
-    },
-    unescapeURL: function(component /* = false */){
-      return (component ? decodeURIComponent : decodeURI)(this)
-    },
-    escapeRegExp: function(){
-      return String(this).replace(RegExpEscapeRegExp, '\\$1')
-    },
-    reverse: function(){
-      return String(this).split('').reverse().join('')
-    },
-    at: function(index){
-      var that = String(this);
-      return that.charAt(index < 0 ? that.length + index : index)
+      return String(this).replace(RegExpUnescapeHTML, function(part){
+        return unescapeHTMLDict[part];
+      });
     }
   });
 }();

src/timers.js

@@ -1,54 +0,21 @@
-!function(navigator, setTimeout, setInterval, postMessage, setImmediate, clearImmediate, addEventListener){
-  function timersBind(fn, args){
-    return part.apply(isFunction(fn) ? fn : Function(fn), args);
+/**
+ * ie9- setTimeout & setInterval additional parameters fix
+ * http://www.w3.org/TR/html5/webappapis.html#timers
+ * http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#timers
+ * Alternatives:
+ * https://developer.mozilla.org/ru/docs/Web/API/Window.setTimeout#IE_Only_Fix
+ */
+!function(navigator){
+  function wrap(set){
+    return function(fn, time /*, ...args*/){
+      return set(part.apply(isFunction(fn) ? fn : Function(fn), $slice(arguments, 2)), time || 1);
+    }
   }
-  /**
-   * ie9- setTimeout & setInterval additional parameters fix
-   * on ie8- work only as (global|window).setTimeout, instead of setTimeout
-   * http://www.w3.org/TR/html5/webappapis.html#timers
-   * http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#timers
-   */
+  // ie9- dirty check
   if(navigator && /MSIE .\./.test(navigator.userAgent)){
-    global.setTimeout = function(fn, time /*, args...*/){
-      return setTimeout(timersBind(fn, slice.call(arguments, 2)), time || 1)
-    };
-    global.setInterval = function(fn, time /*, args...*/){
-      return setInterval(timersBind(fn, slice.call(arguments, 2)), time || 1)
-    }
+    setTimeout  = wrap(setTimeout);
+    setInterval = wrap(setInterval);
   }
-  /**
-   * setImmediate
-   * https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/setImmediate/Overview.html
-   */
-  if(!isFunction(global[setImmediate]) || !isFunction(global[clearImmediate])){
-    if(isFunction(postMessage)){
-      var msg     = setImmediate + random()
-        , counter = 0
-        , queue   = {}
-        , listner = function(event){
-            var id = event.data;
-            if(id in queue){
-              queue[id]();
-              delete queue[id]
-            }
-          }
-      global[setImmediate] = function(fn /*, args...*/){
-        var id = ++counter + msg;
-        queue[id] = timersBind(fn, slice1(arguments));
-        postMessage(id, '*');
-        return counter
-      }
-      global[clearImmediate] = function(id){
-        delete queue[id + msg]
-      }
-      if(addEventListener)addEventListener('message', listner, false);
-      else attachEvent('onmessage', listner)
-    }
-    else {
-      global[setImmediate] = function(fn /*, args...*/){
-        return setTimeout(timersBind(fn, slice1(arguments)), 1)
-      }
-      global[clearImmediate] = Function('i','clearTimeout(i)')
-    }
-  }
-}(global.navigator, setTimeout, setInterval, global.postMessage, 'setImmediate', 'clearImmediate', global.addEventListener);
+  $defineTimer('setTimeout', setTimeout);
+  $defineTimer('setInterval', setInterval);
+}(global.navigator);

tests/karma.conf.js

@@ -0,0 +0,0 @@ // Karma configuration

tests/tests_promises/assert.js

@@ -0,0 +0,0 @@ // http://wiki.commonjs.org/wiki/Unit_Testing/1.0

tests/tests_promises/extension_test.js

 /*global describe, specify, it, assert */
 
+function isNative(fn){
+  return /^\s*function[^{]+\{\s*\[native code\]\s*\}\s*$/.test(fn);
+}
 var local = (typeof global === "undefined") ? this : global,
@@ -285,14 +288,15 @@ oldSetTimeout, newSetTimeout;
 
-    it('throws when not passed an array', function() {
-      assert.throws(function () {
-        var all = Promise.all();
-      }, TypeError);
-
-      assert.throws(function () {
-        var all = Promise.all('');
-      }, TypeError);
-
-      assert.throws(function () {
-        var all = Promise.all({});
-      }, TypeError);
+    it('rejects when not passed an array', function() {
+      Promise.all().then(function(){
+        assert(false, 'should not fulfill');
+      }, function(actualReason){
+        assert.equal(reason, undefined);
+      });
+      
+      var O ={}
+      Promise.all(O).then(function(){
+        assert(false, 'should not fulfill');
+      }, function(actualReason){
+        assert.equal(reason, O);
+      });
     });
@@ -446,14 +450,15 @@
 
-    it("throws when not passed an array", function() {
-      assert.throws(function () {
-        var race = Promise.race();
-      }, TypeError);
-
-      assert.throws(function () {
-        var race = Promise.race('');
-      }, TypeError);
-
-      assert.throws(function () {
-        var race = Promise.race({});
-      }, TypeError);
+    it("rejects when not passed an array", function() {
+      Promise.race().then(function(){
+        assert(false, 'should not fulfill');
+      }, function(actualReason){
+        assert.equal(reason, undefined);
+      });
+      
+      var O ={}
+      Promise.race(O).then(function(){
+        assert(false, 'should not fulfill');
+      }, function(actualReason){
+        assert.equal(reason, O);
+      });
     });
@@ -493,15 +498,9 @@
 
-    specify('if one of the promises is not thenable fulfills with it first', function(done) {
-      var firstResolver, secondResolver, nonPromise = 5;
-
-      var first = new Promise(function(resolve, reject) {
-        resolve(true);
+    specify('if one of the promises is not thenable', function(done) {
+      Promise.race([Promise.resolve(1), Promise.resolve(2), 3]).then(function(value) {
+        assert.equal(value, 1);
+        done();
       });
-
-      var second = new Promise(function(resolve, reject) {
-        resolve(false);
-      });
-
-      Promise.race([first, second, nonPromise]).then(function(value) {
-        assert.equal(value, 5);
+      Promise.race([1, Promise.resolve(2), Promise.resolve(3)]).then(function(value) {
+        assert.equal(value, 1);
         done();
@@ -584,289 +583,6 @@ });
 
-  describe("RSVP.resolve", function(){
-    specify("it should exist", function(){
-      assert(Promise.resolve);
-    });
-
-    describe("1. If x is a promise, adopt its state ", function(){
-      specify("1.1 If x is pending, promise must remain pending until x is fulfilled or rejected.", function(done){
-        var expectedValue, resolver, thenable, wrapped;
-
-        expectedValue = 'the value';
-        thenable = {
-          then: function(resolve, reject){
-            resolver = resolve;
-          }
-        };
-
-        wrapped = Promise.resolve(thenable);
-
-        wrapped.then(function(value){
-          assert(value === expectedValue);
-          done();
-        });
-
-        resolver(expectedValue);
-      });
-
-      specify("1.2 If/when x is fulfilled, fulfill promise with the same value.", function(done){
-        var expectedValue, thenable, wrapped;
-
-        expectedValue = 'the value';
-        thenable = {
-          then: function(resolve, reject){
-            resolve(expectedValue);
-          }
-        };
-
-        wrapped = Promise.resolve(thenable);
-
-        wrapped.then(function(value){
-          assert(value === expectedValue);
-          done();
-        })
-      });
-
-      specify("1.3 If/when x is rejected, reject promise with the same reason.", function(done){
-        var expectedError, thenable, wrapped;
-
-        expectedError =  new Error();
-        thenable = {
-          then: function(resolve, reject){
-            reject(expectedError);
-          }
-        };
-
-        wrapped = Promise.resolve(thenable);
-
-        wrapped.then(null, function(error){
-          assert(error === expectedError);
-          done();
-        });
-      });
-    });
-
-    describe("2. Otherwise, if x is an object or function,", function(){
-      specify("2.1 Let then x.then", function(done){
-        var accessCount, resolver, wrapped, thenable;
-
-        accessCount = 0;
-        thenable = { };
-
-        // we likely don't need to test this, if the browser doesn't support it
-        if (typeof Object.defineProperty !== "function") { done(); return; }
-
-        Object.defineProperty(thenable, 'then', {
-          get: function(){
-            accessCount++;
-            return function(){ };
-          }
-        });
-
-        assert(accessCount === 0);
-
-        wrapped = Promise.resolve(thenable);
-        
-        assert(accessCount > 0);
-
-        done();
-      });
-
-      specify("2.2 If retrieving the property x.then results in a thrown exception e, reject promise with e as the reason.", function(done){
-        var wrapped, thenable, expectedError;
-
-        expectedError = new Error();
-        thenable = { };
-
-        // we likely don't need to test this, if the browser doesn't support it
-        if (typeof Object.defineProperty !== "function") { done(); return; }
-
-        Object.defineProperty(thenable, 'then', {
-          get: function(){
-            throw expectedError;
-          }
-        });
-
-        wrapped = Promise.resolve(thenable);
-
-        wrapped.then(null, function(error){
-          assert(error === expectedError, 'incorrect exception was thrown');
-          done();
-        });
-      });
-
-      describe('2.3. If then is a function, call it with x as this, first argument resolvePromise, and second argument rejectPromise, where', function(){
-        specify('2.3.1 If/when resolvePromise is called with a value y, run Resolve(promise, y)', function(done){
-          var expectedSuccess, resolver, rejector, thenable, wrapped, calledThis;
-
-          thenable = {
-            then: function(resolve, reject){
-              calledThis = this;
-              resolver = resolve;
-              rejector = reject;
-            }
-          };
-
-          expectedSuccess = 'success';
-          wrapped = Promise.resolve(thenable);
-
-          wrapped.then(function(success){
-            assert(calledThis === thenable, 'this must be the thenable');
-            assert(success === expectedSuccess, 'rejected promise with x');
-            done();
-          });
-
-          resolver(expectedSuccess);
-        });
-
-        specify('2.3.2 If/when rejectPromise is called with a reason r, reject promise with r.', function(done){
-          var expectedError, resolver, rejector, thenable, wrapped, calledThis,
-
-          thenable = {
-            then: function(resolve, reject){
-              calledThis = this;
-              resolver = resolve;
-              rejector = reject;
-            }
-          };
-
-          expectedError = new Error();
-
-          wrapped = Promise.resolve(thenable);
-
-          wrapped.then(null, function(error){
-            assert(error === expectedError, 'rejected promise with x');
-            done();
-          });
-
-          rejector(expectedError);
-        });
-
-        specify("2.3.3 If both resolvePromise and rejectPromise are called, or multiple calls to the same argument are made, the first call takes precedence, and any further calls are ignored", function(done){
-          var expectedError, expectedSuccess, resolver, rejector, thenable, wrapped, calledThis,
-          calledRejected, calledResolved;
-
-          calledRejected = 0;
-          calledResolved = 0;
-
-          thenable = {
-            then: function(resolve, reject){
-              calledThis = this;
-              resolver = resolve;
-              rejector = reject;
-            }
-          };
-
-          expectedError = new Error();
-
-          wrapped = Promise.resolve(thenable);
-
-          wrapped.then(function(){
-            calledResolved++;
-          }, function(error){
-            calledRejected++;
-            assert(calledResolved === 0, 'never resolved');
-            assert(calledRejected === 1, 'rejected only once');
-            assert(error === expectedError, 'rejected promise with x');
-          });
-
-          rejector(expectedError);
-          rejector(expectedError);
-
-          rejector('foo');
-
-          resolver('bar');
-          resolver('baz');
-
-          setTimeout(function(){
-            assert(calledRejected === 1, 'only rejected once');
-            assert(calledResolved === 0, 'never resolved');
-            done();
-          }, 50);
-        });
-
-        describe("2.3.4 If calling then throws an exception e", function(){
-          specify("2.3.4.1 If resolvePromise or rejectPromise have been called, ignore it.", function(done){
-            var expectedSuccess, resolver, rejector, thenable, wrapped, calledThis,
-            calledRejected, calledResolved;
-
-            expectedSuccess = 'success';
-
-            thenable = {
-              then: function(resolve, reject){
-                resolve(expectedSuccess);
-                throw expectedError;
-              }
-            };
-
-            wrapped = Promise.resolve(thenable);
-
-            wrapped.then(function(success){
-              assert(success === expectedSuccess, 'resolved not errored');
-              done();
-            });
-          });
-
-          specify("2.3.4.2 Otherwise, reject promise with e as the reason.", function(done) {
-            var expectedError, resolver, rejector, thenable, wrapped, calledThis, callCount;
-
-            expectedError = new Error();
-            callCount = 0;
-
-            thenable = { then: function() { throw expectedError; } };
-
-            wrapped = Promise.resolve(thenable);
-
-            wrapped.then(null, function(error){
-              callCount++;
-              assert(expectedError === error, 'expected the correct error to be rejected');
-              done();
-            });
-
-            assert(callCount === 0, 'expected async, was sync');
-          });
-        });
-      });
-
-      specify("2.4 If then is not a function, fulfill promise with x", function(done){
-        var expectedError, resolver, rejector, thenable, wrapped, calledThis, callCount;
-
-        thenable = { then: 3 };
-        callCount = 0;
-        wrapped = Promise.resolve(thenable);
-
-        wrapped.then(function(success){
-          callCount++;
-          assert(thenable === success, 'fulfilled promise with x');
-          done();
-        });
-
-        assert(callCount === 0, 'expected async, was sync');
-      });
-    });
-
-    describe("3. If x is not an object or function, ", function(){
-      specify("fulfill promise with x.", function(done){
-        var thenable, callCount, wrapped;
-
-        thenable = null;
-        callCount = 0;
-        wrapped = Promise.resolve(thenable);
-
-        wrapped.then(function(success){
-          callCount++;
-          assert(success === thenable, 'fulfilled promise with x');
-          done();
-        }, function(a){
-          assert(false, 'should not also reject');
-        });
-
-        assert(callCount === 0, 'expected async, was sync');
-      });
-    });
-  });
-
-  describe("Promise.cast", function () {
+  describe("Promise.resolve", function () {
     it("If SameValue(constructor, C) is true, return x.", function(){
       var promise = Promise.resolve(1);
-      var casted = Promise.cast(promise);
+      var casted = Promise.resolve(promise);
 
@@ -878,3 +594,3 @@ assert.deepEqual(casted, promise);
       var promise = { then: function() { } };
-      var casted = Promise.cast(promise);
+      var casted = Promise.resolve(promise);
 
@@ -885,27 +601,5 @@ assert(casted instanceof Promise);
 
-    it("If SameValue(constructor, C) is false, and isPromiseSubClass(C) is true, return PromiseResolve(promise, x).", function(done) {
-      function PromiseSubclass() {
-        Promise.apply(this, arguments);
-      }
-
-      PromiseSubclass.prototype = Object.create(Promise.prototype);
-      PromiseSubclass.prototype.constructor = PromiseSubclass;
-      PromiseSubclass.cast = Promise.cast;
-
-      var promise = Promise.resolve(1);
-      var casted = PromiseSubclass.cast(promise);
-
-      assert(casted instanceof Promise);
-      assert(casted instanceof PromiseSubclass);
-      assert(casted !== promise);
-
-      casted.then(function(value) {
-        assert.equal(value, 1);
-        done();
-      });
-    });
-
     it("If SameValue(constructor, C) is false, and isThenable(C) is false, return PromiseResolve(promise, x).", function(){
       var value = 1;
-      var casted = Promise.cast(value);
+      var casted = Promise.resolve(value);
 
@@ -917,3 +611,3 @@ assert(casted instanceof Promise);
     it("casts null correctly", function(done){
-      Promise.cast(null).then(function(value){
+      Promise.resolve(null).then(function(value){
         assert.equal(value, null);
@@ -920,0 +614,0 @@ done();

No alert changes

Improved metrics

Total package byte prevSize

689866

increased by19.82%

Number of package files

67

increased by8.06%

Lines of code

17109

increased by14.69%

Worsened metrics

Dev dependency count

12

increased by100%

No dependency changes