Update src/Condition.js

Co-Authored-By: vonagam <vonagam@gmail.com>

src/Condition.js

@@ -42,7 +42,7 @@ function makeFn(options) {
   let fn = function(...args) {
     let options = args.pop();
     let schema = args.pop();
-    let customizer = is.apply(undefined, args) ? then : otherwise;
+    let customizer = is(...args) ? then : otherwise;
 
     return customizer(schema, options);
   };