feat: added return value on script evaluation

Author: MEFRREEX

api/src/main/java/com/instancify/scriptify/api/script/Script.java

@@ -6,7 +6,7 @@
 /**
  * Defines the structure of a script that can be executed.
  */
-public interface Script {
+public interface Script<T> {
 
     /**
      * Retrieves the function manager associated with this script.
@@ -43,5 +43,5 @@ public interface Script {
     /**
      * Evaluates and executes this script.
      */
-    void eval(String script);
+    T eval(String script);
 }

script-js-graalvm/src/main/java/com/instancify/scriptify/script/JsScript.java

@@ -7,7 +7,7 @@
 import com.instancify.scriptify.api.script.function.ScriptFunctionManager;
 import org.graalvm.polyglot.*;
 
-public class JsScript implements Script {
+public class JsScript implements Script<Value> {
 
     private final Context context = Context.create();
     private ScriptFunctionManager functionManager;
@@ -34,7 +34,7 @@ public void setConstantManager(ScriptConstantManager constantManager) {
     }
 
     @Override
-    public void eval(String script) {
+    public Value eval(String script) {
         Value bindings = context.getBindings("js");
 
         if (functionManager != null) {
@@ -49,6 +49,6 @@ public void eval(String script) {
             }
         }
 
-        context.eval("js", script);
+        return context.eval("js", script);
     }
 }

script-js-rhino/src/main/java/com/instancify/scriptify/script/JsScript.java

@@ -8,7 +8,7 @@
 import org.mozilla.javascript.Context;
 import org.mozilla.javascript.ScriptableObject;
 
-public class JsScript implements Script {
+public class JsScript implements Script<Object> {
 
     private final Context context = Context.enter();
     private final ScriptableObject scope = context.initStandardObjects();
@@ -36,7 +36,7 @@ public void setConstantManager(ScriptConstantManager constantManager) {
     }
 
     @Override
-    public void eval(String script) {
+    public Object eval(String script) {
         if (functionManager != null) {
             for (ScriptFunction function : functionManager.getFunctions().values()) {
                 scope.put(function.getName(), scope, new JsFunction(this, function));
@@ -49,6 +49,6 @@ public void eval(String script) {
             }
         }
 
-        context.evaluateString(scope, script, null, 1, null);
+        return context.evaluateString(scope, script, null, 1, null);
     }
 }