第一版提交，答题功能OK，题库管理待完善

api/app.ts

@@ -0,0 +1,67 @@
+/**
+ * This is a API server
+ */
+
+import express, {
+  type Request,
+  type Response,
+  type NextFunction,
+} from 'express'
+import cors from 'cors'
+import path from 'path'
+import dotenv from 'dotenv'
+import { fileURLToPath } from 'url'
+import authRoutes from './routes/auth.js'
+
+// for esm mode
+const __filename = fileURLToPath(import.meta.url)
+const __dirname = path.dirname(__filename)
+
+// load env
+dotenv.config()
+
+const app: express.Application = express()
+
+app.use(cors())
+app.use(express.json({ limit: '10mb' }))
+app.use(express.urlencoded({ extended: true, limit: '10mb' }))
+
+/**
+ * API Routes
+ */
+app.use('/api/auth', authRoutes)
+
+/**
+ * health
+ */
+app.use(
+  '/api/health',
+  (req: Request, res: Response, next: NextFunction): void => {
+    res.status(200).json({
+      success: true,
+      message: 'ok',
+    })
+  },
+)
+
+/**
+ * error handler middleware
+ */
+app.use((error: Error, req: Request, res: Response, next: NextFunction) => {
+  res.status(500).json({
+    success: false,
+    error: 'Server internal error',
+  })
+})
+
+/**
+ * 404 handler
+ */
+app.use((req: Request, res: Response) => {
+  res.status(404).json({
+    success: false,
+    error: 'API not found',
+  })
+})
+
+export default app