no render false attrs

Author: voischev

lib/posthtml-render.js

@@ -77,7 +77,7 @@ function postHTMLRender(tree, options) {
         function attrs(obj) {
             var attr = '';
             for (var key in obj) {
-                attr += ' ' + key + ((obj[key] && typeof obj[key] !== 'boolean')? '="' + obj[key] + '"': '');
+                obj[key] && (attr += ' ' + key + (typeof obj[key] !== 'boolean'? '="' + obj[key] + '"': ''));
             }
             return attr;
         }

posthtml-render.min.js

@@ -68,9 +68,14 @@ describe('PostHTML-Render test', function() {
                 .to.eql('<div id="header" style="color:red;" data-id="header"></div>');
         });
 
-        it('boolean', function() {
+        it('true', function() {
             expect(render({ attrs: { disabled: true } })).to.eql('<div disabled></div>');
         });
+
+        it('false', function() {
+            expect(render({ attrs: { disabled: false } })).to.eql('<div></div>');
+            expect(render({ attrs: { disabled: '' } })).to.eql('<div></div>');
+        });
     });
 
     describe('options', function() {