feat: add JS code validation method in DevMode class

Author: sharjeelyunus

modules/ensemble/lib/framework/devmode.dart

@@ -1,5 +1,7 @@
 import 'package:ensemble/framework/data_context.dart';
 import 'package:ensemble_ts_interpreter/invokables/invokable.dart';
+import 'package:ensemble_ts_interpreter/parser/newjs_interpreter.dart';
+import 'package:jsparser/jsparser.dart';
 
 class DevMode {
   static bool debug = false;
@@ -53,4 +55,18 @@ class DevMode {
 
     return context;
   }
+
+  static Map<String, dynamic> validateJsCode(String jsCode, DataContext ctx) {
+    try {
+      Program p = JSInterpreter.parseCode(jsCode);
+      JSInterpreter(jsCode, p, ctx).evaluate();
+      return {
+        'error': null,
+      };
+    } catch (e) {
+      return {
+        'error': e.toString(),
+      };
+    }
+  }
 }