feat(infra): standard lifecycle service

packages/common/infra/package.json

@@ -10,6 +10,7 @@
     "./di": "./src/di/index.ts",
     "./livedata": "./src/livedata/index.ts",
     "./storage": "./src/storage/index.ts",
+    "./lifecycle": "./src/lifecycle/index.ts",
     ".": "./src/index.ts"
   },
   "dependencies": {

packages/common/infra/src/index.ts

@@ -5,3 +5,17 @@ export * from './command';
 export * from './di';
 export * from './livedata';
 export * from './storage';
+
+import type { ServiceCollection } from './di';
+import { CleanupService } from './lifecycle';
+import { GlobalCache, GlobalState, MemoryMemento } from './storage';
+
+export function configureInfraServices(services: ServiceCollection) {
+  services.add(CleanupService);
+}
+
+export function configureTestingInfraServices(services: ServiceCollection) {
+  configureInfraServices(services);
+  services.addImpl(GlobalCache, MemoryMemento);
+  services.addImpl(GlobalState, MemoryMemento);
+}

packages/common/infra/src/lifecycle/__test__/lifecycle.spec.ts

@@ -0,0 +1,15 @@
+import { describe, expect, test } from 'vitest';
+
+import { CleanupService } from '..';
+
+describe('lifecycle', () => {
+  test('cleanup', () => {
+    const cleanup = new CleanupService();
+    let cleaned = false;
+    cleanup.add(() => {
+      cleaned = true;
+    });
+    cleanup.cleanup();
+    expect(cleaned).toBe(true);
+  });
+});

packages/common/infra/src/lifecycle/index.ts

@@ -0,0 +1,10 @@
+export class CleanupService {
+  private readonly cleanupCallbacks: (() => void)[] = [];
+  constructor() {}
+  add(fn: () => void) {
+    this.cleanupCallbacks.push(fn);
+  }
+  cleanup() {
+    this.cleanupCallbacks.forEach(fn => fn());
+  }
+}

packages/common/infra/src/livedata/index.ts

@@ -57,7 +57,12 @@ const logger = new DebugLogger('livedata');
  * NOTICE: LiveData.from will not complete when the observable completes, you can use `spreadComplete` option to change
  * this behavior.
  *
+ * ## Why is it called LiveData
+ *
+ * This API is very similar to LiveData in Android, as both are based on Observable, so I named it LiveData.
+ *
  * @see {@link https://rxjs.dev/api/index/class/BehaviorSubject}
+ * @see {@link https://developer.android.com/topic/libraries/architecture/livedata}
  */
 export class LiveData<T = unknown> extends BehaviorSubject<T> {
   static from<T>(