assert that specified alignment target exists

yapplabs · Aug 1, 2015 · 24debe0 · 24debe0
1 parent ed892c0
commit 24debe0
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/addon/components/positioned-container.js b/addon/components/positioned-container.js
@@ -31,7 +31,9 @@ export default Ember.Component.extend({
   updateAlignment: function() {
     var alignmentTarget = this.get('alignmentTarget');
     if (Ember.typeOf(alignmentTarget) === 'string') {
+      let alignmentTargetSelector = alignmentTarget;
       alignmentTarget = Ember.$(alignmentTarget)[0];
+      Ember.assert(`No element found for modal-dialog's alignmentTarget selector '${alignmentTargetSelector}'.`, alignmentTarget);
     } else if (alignmentTarget && alignmentTarget.element) {
       alignmentTarget = alignmentTarget.element;
     }