packages/reffuse/src/Reffuse.ts

@@ -133,6 +133,29 @@ export class Reffuse<R> {
         ])
     }
 
+    useMemoScoped<A, E>(
+        effect: Effect.Effect<A, E, R | Scope.Scope>,
+        deps?: React.DependencyList,
+        options?: RenderOptions & ScopeOptions,
+    ): A {
+        const runSync = this.useRunSync()
+
+        const initialValue = React.useMemo(() => runSync(Effect.scoped(effect)), [])
+        const [value, setValue] = React.useState(initialValue)
+
+        React.useEffect(() => {
+            const scope = runSync(Scope.make(options?.finalizerExecutionStrategy))
+            setValue(runSync(Effect.provideService(effect, Scope.Scope, scope)))
+
+            return () => { runSync(Scope.close(scope, Exit.void)) }
+        }, [
+            ...options?.doNotReExecuteOnRuntimeOrContextChange ? [] : [runSync],
+            ...(deps ?? []),
+        ])
+
+        return value
+    }
+
     /**
      * Reffuse equivalent to `React.useEffect`.
      *