From 09a1d2821c76737a8e6e018450603e5055777e51 Mon Sep 17 00:00:00 2001
From: nyne <me@nyne.dev>
Date: Sun, 19 Oct 2025 21:49:25 +0800
Subject: [PATCH] Enhance onResponse handling in ImageDownloader to support
 Future and validate result type

---
 lib/network/images.dart | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/lib/network/images.dart b/lib/network/images.dart
index b361813..8953c61 100644
--- a/lib/network/images.dart
+++ b/lib/network/images.dart
@@ -181,7 +181,15 @@ abstract class ImageDownloader {
         }
 
         if (configs['onResponse'] is JSInvokable) {
-          buffer = (configs['onResponse'] as JSInvokable)([Uint8List.fromList(buffer)]);
+          dynamic result = (configs['onResponse'] as JSInvokable)([Uint8List.fromList(buffer)]);
+          if (result is Future) {
+            result = await result;
+          }
+          if (result is List<int>) {
+            buffer = result;
+          } else {
+            throw "Error: Invalid onResponse result.";
+          }
           (configs['onResponse'] as JSInvokable).free();
         }