Guard against invalid paths in walk

Mohsen Azimi · Mohsen Azimi · commit 5192e9ac7f4e · 2014-08-26T12:45:22.000-07:00
diff --git a/app/scripts/services/fold-manager.js b/app/scripts/services/fold-manager.js
@@ -47,6 +47,9 @@ function FoldManager(Editor, FoldPointFinder) {
     }
 
     while (keys.length) {
+      if (!current && !current.subFolds) {
+        break;
+      }
       current = current.subFolds[keys.shift()];
     }
 

Original file line number	Diff line number	Diff line change
`@@ -47,6 +47,9 @@ function FoldManager(Editor, FoldPointFinder) {`
`47`	`47`	`}`
`48`	`48`
`49`	`49`	`while (keys.length) {`
	`50`	`+ if (!current && !current.subFolds) {`
	`51`	`+ break;`
	`52`	`+ }`
`50`	`53`	`current = current.subFolds[keys.shift()];`
`51`	`54`	`}`
`52`	`55`