fix: adapt code to modernized libraries

- Migrate validation.ts from class-transformer/class-validator to Zod
- Apply Biome auto-fixes (import sorting, nodejs protocol)
- Fix duplicate type identifier in validation.ts

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/database/migrate.ts

@@ -1,13 +1,22 @@
 import "dotenv/config";
 import Database from "better-sqlite3";
+import { drizzle as drizzleSqlite } from "drizzle-orm/better-sqlite3";
 import { migrate as migrateSqlite } from "drizzle-orm/better-sqlite3/migrator";
-import { migrate } from "drizzle-orm/node-postgres/migrator";
+import { migrate as migratePostgres } from "drizzle-orm/node-postgres/migrator";
 import { config } from "../config";
 import { createChildLogger } from "../logger";
 import { initializeDatabase } from "./drizzle";
 
 const logger = createChildLogger("migrate");
 
+export async function initializeMigrationSqliteDatabase(
+  path = ".muxer-queue.db",
+) {
+  const sqlite = new Database(path);
+  sqlite.pragma("journal_mode = WAL");
+  return { sqlite, db: drizzleSqlite(sqlite) };
+}
+
 export async function runMigrations(): Promise<void> {
   try {
     logger.info("Starting database migrations");
@@ -15,14 +24,16 @@ export async function runMigrations(): Promise<void> {
     if (config.DATABASE_TYPE === "postgres") {
       logger.info("Running PostgreSQL migrations");
       const db = await initializeDatabase();
-      await migrate(db as any, { migrationsFolder: "./drizzle/migrations" });
+      await migratePostgres(db as any, {
+        migrationsFolder: "./drizzle/migrations",
+      });
       logger.info("PostgreSQL migrations completed successfully");
     } else {
       logger.info("Running SQLite migrations");
-      const sqlite = new Database(".muxer-queue.db");
-      sqlite.pragma("journal_mode = WAL");
-      const db = require("drizzle-orm/better-sqlite3").drizzle(sqlite);
+      const { sqlite, db } = await initializeMigrationSqliteDatabase();
       migrateSqlite(db, { migrationsFolder: "./drizzle/migrations" });
+      // Ensure the SQLite connection is closed after migrations
+      sqlite.close();
       logger.info("SQLite migrations completed successfully");
     }
   } catch (error) {
@@ -35,7 +46,7 @@ export async function runMigrations(): Promise<void> {
 }
 
 // Run migrations if called directly
-if (require.main === module) {
+if (import.meta.url === `file://${process.argv[1]}`) {
   runMigrations()
     .then(() => {
       logger.info("Migrations completed");

src/mock-crc.ts

@@ -8,7 +8,7 @@ for (let i = 0; i < 256; i++) {
   CRC_TABLE[i] = r >>> 0;
 }
 
-const Module = require("module");
+const Module = require("node:module");
 const originalRequire = Module.prototype.require;
 Module.prototype.require = function (id: string) {
   if (id === "node-crc") {

src/moderation/messageCapture.ts

@@ -34,9 +34,9 @@ export async function captureMessage(
     guild_id: message.guildId!,
     channel_id: location.channelId,
     thread_id: location.threadId,
-    user_id: message.author!.id,
-    username: message.author!.username,
-    avatar_url: message.author!.avatarURL() || null,
+    user_id: message.author?.id,
+    username: message.author?.username,
+    avatar_url: message.author?.avatarURL() || null,
     content: getDisplayContent(message),
     edited_content: null,
     created_at: message.createdTimestamp,
@@ -67,7 +67,7 @@ export async function captureMessage(
         guild_id: message.guildId!,
         channel_id: location.channelId,
         thread_id: location.threadId,
-        user_id: message.author!.id,
+        user_id: message.author?.id,
         filename: attachment.name || "unknown",
         size: attachment.size,
         type: attachment.contentType || "application/octet-stream",

src/muxer-aup3.ts

@@ -1,6 +1,6 @@
+import fs from "node:fs";
+import path from "node:path";
 import ffmpeg from "fluent-ffmpeg";
-import fs from "fs";
-import path from "path";
 
 const recordingsDir = process.env.RECORDINGS_DIR ?? "./recordings";
 

src/muxer.ts

@@ -1,6 +1,6 @@
+import fs from "node:fs";
+import path from "node:path";
 import ffmpeg from "fluent-ffmpeg";
-import fs from "fs";
-import path from "path";
 
 const recordingsDir = process.env.RECORDINGS_DIR ?? "./recordings";
 

src/packetFilter.ts

@@ -1,4 +1,4 @@
-import { Transform, TransformCallback } from "stream";
+import { Transform, TransformCallback } from "node:stream";
 
 /**
  * Transform stream untuk memfilter audio packets yang terlalu kecil

src/player.ts

@@ -1,3 +1,4 @@
+import { Readable } from "node:stream";
 import {
   AudioPlayer,
   AudioPlayerStatus,
@@ -6,7 +7,6 @@ import {
   StreamType,
   VoiceConnection,
 } from "@discordjs/voice";
-import { Readable } from "stream";
 
 export class DiscordPlayer {
   private player: AudioPlayer;

src/validation.ts

@@ -1,38 +1,22 @@
-import { plainToClass } from "class-transformer";
-import { IsBoolean, IsString, validate } from "class-validator";
+import { z } from "zod";
 
-export class UserStateUpdate {
-  @IsString()
-  userId!: string;
+export const userStateUpdateSchema = z.object({
+  userId: z.string(),
+  username: z.string(),
+  avatar: z.string(),
+  speaking: z.boolean(),
+});
 
-  @IsString()
-  username!: string;
+export type UserStateUpdate = z.infer<typeof userStateUpdateSchema>;
 
-  @IsString()
-  avatar!: string;
-
-  @IsBoolean()
-  speaking!: boolean;
-}
-
-export class AudioMessage {
-  data!: Buffer;
-  userId!: string;
+export interface AudioMessage {
+  data: Buffer;
+  userId: string;
 }
 
 export async function validateUserStateUpdate(
   data: unknown,
 ): Promise<UserStateUpdate | null> {
-  if (typeof data !== "object" || data === null) {
-    return null;
-  }
-
-  const obj = plainToClass(UserStateUpdate, data);
-  const errors = await validate(obj);
-
-  if (errors.length > 0) {
-    return null;
-  }
-
-  return obj;
+  const result = userStateUpdateSchema.safeParse(data);
+  return result.success ? result.data : null;
 }

src/webserver.ts

@@ -1,9 +1,9 @@
+import fs from "node:fs";
+import http from "node:http";
+import path from "node:path";
 import type { Client } from "discord.js-selfbot-v13";
 import express from "express";
-import fs from "fs";
 import helmet from "helmet";
-import http from "http";
-import path from "path";
 import * as prism from "prism-media";
 import { WebSocketServer } from "ws";
 import { AppError } from "./errors";

tests/validation.test.ts

@@ -0,0 +1,30 @@
+import { expect, test } from "vitest";
+import { UserStateUpdate, validateUserStateUpdate } from "../src/validation";
+
+test("valid object returns typed object", async () => {
+  const input = {
+    userId: "123",
+    username: "testuser",
+    avatar: "avatar.png",
+    speaking: true,
+  };
+  const result = await validateUserStateUpdate(input);
+  expect(result).toEqual(input as UserStateUpdate);
+});
+
+test("non-object input returns null", async () => {
+  // @ts-expect-error testing invalid input
+  const result = await validateUserStateUpdate("not an object");
+  expect(result).toBeNull();
+});
+
+test("invalid field types return null", async () => {
+  const input = {
+    userId: "123",
+    username: "testuser",
+    avatar: "avatar.png",
+    speaking: "true", // invalid type
+  };
+  const result = await validateUserStateUpdate(input as unknown);
+  expect(result).toBeNull();
+});