Fix compacting arrays when nested

ljharb · Feb 2, 2016 · 5c10cee · 5c10cee
1 parent c8857a0
commit 5c10cee
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/lib/utils.js b/lib/utils.js
@@ -132,7 +132,9 @@ exports.compact = function (obj, references) {
         var compacted = [];
 
         for (var i = 0; i < obj.length; ++i) {
-            if (typeof obj[i] !== 'undefined') {
+            if (Object.prototype.toString.call(obj[i]) === '[object Object]') {
+                compacted.push(exports.compact(obj[i], refs));
+            } else if (typeof obj[i] !== 'undefined') {
                 compacted.push(obj[i]);
             }
         }