Revert to wiki version of Array.from / .of.

es6-shim.js

@@ -54,8 +54,21 @@
   });
 
   defineProperties(Array, {
-    of: function(iterable) {
-      return Array.prototype.slice.call(iterable);
+    from: function(iterable) {
+      var object = Object(iterable);
+      var array = [];
+
+      for (var key = 0, length = object.length >>> 0; key < length; key++) {
+        if (key in object) {
+          array[key] = object[key];
+        }
+      }
+
+      return array;
+    },
+
+    of: function() {
+      return Array.prototype.slice.call(arguments);
     }
   });
 
@@ -203,7 +216,7 @@
     })()
   });
 
-  defineProperties(globall.Set, {
+  /*defineProperties(globall.Set, {
     of: function(iterable) {
       var object = Object(iterable);
       var set = Set();
@@ -216,5 +229,5 @@
 
       return set;
     }
-  });
+  });*/
 });

test/array.js

@@ -2,21 +2,27 @@ var expect = require('expect.js');
 require('../');
 
 describe('Array', function() {
-  describe('Array.of()', function() {
+  describe('Array.from()', function() {
     it('should create correct array from iterable', function() {
       (function() {
-        expect(Array.of(arguments)).to.eql([0, 1, 2])
+        expect(Array.from(arguments)).to.eql([0, 1, 2])
       })(0, 1, 2);
 
       (function() {
-        expect(Array.of(arguments)).to.eql([null, undefined, 0.1248, -0, 0]);
+        expect(Array.from(arguments)).to.eql([null, undefined, 0.1248, -0, 0]);
       })(null, undefined, 0.1248, -0, 0);
     });
 
     it('should handle empty iterables correctly', function() {
       (function() {
-        expect(Array.of(arguments)).to.eql([]);
+        expect(Array.from(arguments)).to.eql([]);
       })();
     });
   });
+
+  describe('Array.of()', function() {
+    it('should create correct array from arguments', function() {
+      expect(Array.of(1, null, void 0)).to.eql([1, null, void 0])
+    });
+  });
 });