Raise error if jquery/zepto cannot be found

opal · Sep 19, 2013 · 13aee8b · 13aee8b
1 parent 6648667
commit 13aee8b
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/opal/opal-jquery/element.rb b/opal/opal-jquery/element.rb
@@ -8,6 +8,9 @@ class Element
     else if (root.Zepto) {
       dom_class = Zepto.zepto.Z;
     }
+    else {
+      throw new Error("jQuery must be included before opal-jquery");
+    }
 
     #{self}._proto = dom_class.prototype, def = #{self}._proto;
     dom_class.prototype._klass = #{self};