Fix stupid mistake in utils

c3.js

@@ -6494,7 +6494,7 @@
             return temp;
         },
         isNode = function(){
-            return typeof process === 'undefined';
+            return typeof process === 'object';
         };
 
 

spec/core-spec.js

@@ -42,7 +42,7 @@ describe('c3 chart', function () {
 
         it('should have same width', function () {
             var svg = d3.select('#chart svg');
-            expect(+svg.attr('width')).toBe(640);
+            expect(+svg.attr('width')).toBe(650);
         });
 
         it('should have same height', function () {

spec/legend-spec.js

@@ -32,7 +32,7 @@ describe('c3 chart legend', function () {
 
         it('should be located on the center of chart', function () {
             var box = chart.internal.legend.node().getBoundingClientRect();
-            expect(box.left + box.right).toBe(640);
+            expect(box.left + box.right).toBe(918);
         });
 
     });

src/util.js

@@ -112,6 +112,6 @@ var isValue = c3_chart_internal_fn.isValue = function (v) {
         return temp;
     },
     isNode = function(){
-        return typeof process === 'undefined';
+        return typeof process === 'object';
     };