chore: initialize standalone UPM package

2026-08-26 02:50:01 +08:00
commit b00f0b3684
20 changed files with 388 additions and 0 deletions
@@ -0,0 +1,33 @@
+#nullable enable
+using System;
+using Cysharp.Threading.Tasks;
+using ShrinkContext;
+using ShrinkEventBus;
+
+namespace ShrinkContext.EventBusAdapter
+{
+    /// <summary>
+    /// 把生成的 ShrinkEventBus 绑定包装为可逆效应。
+    /// </summary>
+    public static class ShrinkEventBusEffects
+    {
+        /// <summary>
+        /// 激活生成的 [ShrinkSubscribe] 绑定，并在 Context 回滚时统一释放。
+        /// </summary>
+        public static ShrinkEffectHandle EffectAttach(this ShrinkCtx ctx, object target,
+            ShrinkBusKey? defaultBus = null)
+        {
+            if (ctx == null)
+                throw new ArgumentNullException(nameof(ctx));
+            if (target == null)
+                throw new ArgumentNullException(nameof(target));
+
+            var binding = EventBus.Attach(target, defaultBus);
+            return ctx.EffectInverse(() =>
+            {
+                binding.Dispose();
+                return UniTask.CompletedTask;
+            });
+        }
+    }
+}