fixup! js/common: Helper for Object.freeze from Go

grafana · Apr 19, 2022 · e2869f8 · e2869f8
1 parent 6ed3c84
commit e2869f8
Showing 1 changed file with 9 additions and 3 deletions.
diff --git a/js/common/frozen_object.go b/js/common/frozen_object.go
@@ -8,9 +8,15 @@ import (
 
 // FreezeObject replicates the JavaScript Object.freeze function.
 func FreezeObject(rt *goja.Runtime, obj goja.Value) error {
-	global := rt.GlobalObject().Get("Object")
-	freeze, _ := goja.AssertFunction(global.ToObject(rt).Get("freeze"))
-	isFrozen, _ := goja.AssertFunction(rt.GlobalObject().Get("Object").ToObject(rt).Get("isFrozen"))
+	global := rt.GlobalObject().Get("Object").ToObject(rt)
+	freeze, ok := goja.AssertFunction(global.Get("freeze"))
+	if !ok {
+		panic(fmt.Errorf("failed to get the Object.freeze function from the runtime"))
+	}
+	isFrozen, ok := goja.AssertFunction(global.Get("isFrozen"))
+	if !ok {
+		panic(fmt.Errorf("failed to get the Object.isFrozen function from the runtime"))
+	}
 	fobj := &freezing{
 		global:   global,
 		rt:       rt,