Dependency Injection

packages/backend/package.json

@@ -1,5 +1,4 @@
 {
-	"main": "./index.js",
 	"private": true,
 	"type": "module",
 	"scripts": {
@@ -25,6 +24,8 @@
 		"@koa/cors": "3.1.0",
 		"@koa/multer": "3.0.0",
 		"@koa/router": "9.0.1",
+		"@nestjs/common": "9.0.11",
+		"@nestjs/core": "9.0.11",
 		"@peertube/http-signature": "1.7.0",
 		"@sinonjs/fake-timers": "9.1.2",
 		"@syuilo/aiscript": "0.11.1",
@@ -98,6 +99,7 @@
 		"rename": "1.0.4",
 		"rndstr": "1.0.0",
 		"rss-parser": "3.12.0",
+		"rxjs": "7.5.6",
 		"s-age": "1.1.2",
 		"sanitize-html": "2.7.1",
 		"semver": "7.3.7",

packages/backend/src/AppModule.ts

@@ -0,0 +1,17 @@
+import { Module } from '@nestjs/common';
+import { QueueModule } from '@/services/queue/QueueModule.js';
+import { CoreModule } from './services/CoreModule.js';
+import { ServerModule } from './server/ServerModule.js';
+import { GlobalModule } from './GlobalModule.js';
+import { QueueProcessorModule } from './queue/QueueProcessorModule.js';
+
+@Module({
+	imports: [
+		GlobalModule,
+		CoreModule,
+		QueueModule,
+		ServerModule,
+		QueueProcessorModule,
+	],
+})
+export class AppModule {}

packages/backend/src/GlobalModule.ts

@@ -0,0 +1,35 @@
+import { Global, Module } from '@nestjs/common';
+import { DI } from './di-symbols.js';
+import { loadConfig } from './config.js';
+import { db } from './db/postgre.js';
+import { redisClient, redisSubscriber } from './db/redis.js';
+import { RepositoryModule } from './RepositoryModule.js';
+import type { Provider } from '@nestjs/common';
+
+const $config: Provider = {
+	provide: DI.config,
+	useValue: loadConfig(),
+};
+
+const $db: Provider = {
+	provide: DI.db,
+	useValue: db,
+};
+
+const $redis: Provider = {
+	provide: DI.redis,
+	useValue: redisClient,
+};
+
+const $redisSubscriber: Provider = {
+	provide: DI.redisSubscriber,
+	useValue: redisSubscriber,
+};
+
+@Global()
+@Module({
+	imports: [RepositoryModule],
+	providers: [$config, $db, $redis, $redisSubscriber],
+	exports: [$config, $db, $redis, $redisSubscriber, RepositoryModule],
+})
+export class GlobalModule {}