ScopeMap -> ScopeRegistry

packages/effect-fc-next/src/ScopeRegistry.ts

@@ -0,0 +1,26 @@
+import { Context, Effect, type Fiber, HashMap, Layer, type Option, Ref, type Scope } from "effect"
+
+
+/**
+ * Internal Effect service that maintains a registry of scopes associated with React component instances.
+ *
+ * This service is used internally by the `Component.useScope` hook to manage the lifecycle of component scopes,
+ * including tracking active scopes and coordinating their cleanup when components unmount or dependencies change.
+ */
+export class ScopeRegistry extends Context.Service<ScopeRegistry, {
+    readonly ref: Ref.Ref<HashMap.HashMap<object, ScopeRegistry.Entry>>
+}>()(
+    "@effect-fc/ScopeRegistry/ScopeRegistry"
+) {
+    static readonly layer = Layer.effect(ScopeRegistry, Effect.map(
+        Ref.make(HashMap.empty<object, ScopeRegistry.Entry>()),
+        ref => ({ ref }),
+    ))
+}
+
+export declare namespace ScopeRegistry {
+    export interface Entry {
+        readonly scope: Scope.Closeable
+        readonly closeFiber: Option.Option<Fiber.Fiber<void>>
+    }
+}