feat: added ScriptFunctionArgument#getType

Author: MEFRREEX

api/src/main/java/com/instancify/scriptify/api/script/function/argument/ScriptFunctionArgument.java

@@ -12,6 +12,15 @@ public interface ScriptFunctionArgument {
      */
     Object getValue();
 
+    /**
+     * Retrieves type the of value of this argument.
+     *
+     * @return Type the value of the argument
+     */
+    default Class<?> getType() {
+        return this.getValue().getClass();
+    }
+
     /**
      * Checks if the value of this argument is an instance of the specified class.
      *

core/src/main/java/com/instancify/scriptify/core/script/function/impl/ScriptFunctionShuffleArray.java

@@ -29,7 +29,7 @@ public Object invoke(Script<?> script, ScriptFunctionArgument[] args) throws Scr
         }
 
         if (!(args[0].getValue() instanceof List<?> array)) {
-            throw new ScriptFunctionArgTypeException(List.class, args[0].getValue().getClass());
+            throw new ScriptFunctionArgTypeException(List.class, args[0].getType());
         }
 
         List<?> list = new ArrayList<Object>(array);