fix(populate): filter out nonexistant values for dynref

Fix #4637
Automattic · Oct 22, 2016 · 8d26dea · 8d26dea
1 parent 2baf277
commit 8d26dea
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/lib/model.js b/lib/model.js
@@ -2927,6 +2927,11 @@ function getModelsMapForPopulate(model, docs, options) {
 
     if (refPath) {
       modelNames = utils.getValue(refPath, doc);
+      if (Array.isArray(modelNames)) {
+        modelNames = modelNames.filter(function(v) {
+          return v != null;
+        });
+      }
     } else {
       if (!modelNameFromQuery) {
         var modelForCurrentDoc = model;