Added sanity check to 3-argument module call.

Author: ackwell

lib/index.js

@@ -197,6 +197,10 @@ AngularPlugin.prototype = {
     var mod = parser.evaluateExpression(expr.arguments[0]);
     var deps = parser.evaluateExpression(expr.arguments[1]);
     this._addModuleDefinition(parser, expr, mod);
+    // Some libraries, such as angular-classy, will break compilation without this check
+    if( !deps.items ){
+      return true;
+    }
     return deps.items.every(
       this._addDependency.bind(this, parser, expr));
   },