Fix unclosed process and refactoring stringify function

Author: TrySound

lib/stringify.js

@@ -1,37 +1,38 @@
 function stringifyNode(node) {
     var type = node.type;
     var value = node.value;
+    var buf;
 
     if (type === 'word' || type === 'space') {
         return value;
     } else if (type === 'string') {
-        return (node.quote || '') + value + (node.quote || '');
+        buf = node.quote || '';
+        return buf + value + (node.unclosed ? '' : buf);
     } else if (type === 'comment') {
         return '/*' + value + (node.unclosed ? '' : '*/');
     } else if (type === 'div') {
         return (node.before || '') + value + (node.after || '');
     } else if (Array.isArray(node.nodes)) {
-        if (type === 'function') {
-            return value + '(' + (node.before || '') + stringify(node.nodes) + (node.after || '') + (node.unclosed ? '' : ')');
-        } else {
-            return stringify(node.nodes);
+        buf = stringify(node.nodes);
+        if (type !== 'function') {
+            return buf;
         }
-    } else {
-        return value;
+        return value + '(' + (node.before || '') + buf + (node.after || '') + (node.unclosed ? '' : ')');
     }
+    return value;
 }
 
 function stringify(nodes) {
     var result, i;
+
     if (Array.isArray(nodes)) {
         result = '';
         for (var i = nodes.length - 1; ~i; i -= 1) {
             result = stringifyNode(nodes[i]) + result;
         }
         return result;
-    } else {
-        return stringifyNode(nodes);
     }
+    return stringifyNode(nodes);
 };
 
 module.exports = stringify;

test/stringify.js

@@ -7,6 +7,10 @@ var tests = [
         message: 'Should correctly add quotes',
         fixture: 'bold italic 12px/3 \'Open Sans\', Arial, "Helvetica Neue", sans-serif'
     },
+    {
+        message: 'Should not close unclosed strings',
+        fixture: '" 12,  54, 65 '
+    },
     {
         message: 'Should correctly add brackets',
         fixture: ' rgba( 12,  54, 65) '