feat: dispose sequence

Author: wan2land

container_context.ts

@@ -6,9 +6,8 @@ export class ContainerContext extends Container {
   _disposed?: Promise<void>; // closing promise (promise lock)
 
   constructor(
-    readonly importedContainers: Container[],
     readonly _storage: Map<ServiceIdentifier, unknown>,
-    readonly disposeHandler?: () => Promise<void>,
+    readonly disposeHandler: () => Promise<void>,
   ) {
     super();
   }
@@ -30,12 +29,7 @@ export class ContainerContext extends Container {
 
   dispose(): Promise<void> {
     if (!this._disposed) {
-      this._disposed = Promise.resolve(this.disposeHandler?.())
-        .then(() =>
-          Promise.all(
-            this.importedContainers.map((m) => m.dispose()),
-          )
-        ).then(() => {});
+      this._disposed = Promise.resolve(this.disposeHandler?.());
     }
     return this._disposed;
   }

container_state.ts

@@ -0,0 +1,16 @@
+import type { Container } from "./container.ts";
+
+export interface ContainerState {
+  ref: number;
+}
+
+const containerStateMap = new WeakMap<Container, ContainerState>();
+
+export function getContainerState(container: Container): ContainerState {
+  let state = containerStateMap.get(container);
+  if (!state) {
+    state = { ref: 0 };
+    containerStateMap.set(container, state);
+  }
+  return state;
+}