Fix #319: Nested properties

Author: tonyganch

Diff for: lib/options/space-before-opening-brace.js

@@ -54,7 +54,7 @@ module.exports = (function() {
                     whitespaceNode.content = value;
                 } else if (value !== '') {
                     var space = gonzales.createNode({ type: 'space', content: value });
-                    if (previousNode.is('atrulerq')) {
+                    if (previousNode && previousNode.is('atrulerq')) {
                         previousNode.content.push(space);
                     } else {
                         node.insert(i, space);

Diff for: test/options/space-before-opening-brace-scss/issue-319.expected.scss

@@ -0,0 +1,9 @@
+@import '../../helpers/__helpers';
+
+.funky {
+  font: {
+    family: fantasy;
+    size: 30em;
+    weight: bold;
+  }
+}

Diff for: test/options/space-before-opening-brace-scss/issue-319.scss

@@ -0,0 +1,9 @@
+@import '../../helpers/__helpers';
+
+.funky{
+  font:{
+    family: fantasy;
+    size: 30em;
+    weight: bold;
+  }
+}

Diff for: test/options/space-before-opening-brace-scss/test.js

@@ -3,4 +3,9 @@ describe('options/space-before-opening-brace (scss):', function() {
         this.comb.configure({ 'space-before-opening-brace': 1 });
         this.shouldBeEqual('issue-231.scss', 'issue-231.expected.scss');
     });
+
+    it('Issue 319', function() {
+        this.comb.configure({ 'space-before-opening-brace': 1 });
+        this.shouldBeEqual('issue-319.scss', 'issue-319.expected.scss');
+    });
 });