backedn converted to ts

routers/api/auth.ts

@@ -1,22 +1,34 @@
-const express = require("express");
+import express from 'express'
+import bcrypt from 'bcryptjs'
+import jwt from 'jsonwebtoken';
+
+import auth from '../../middleware/auth'
+import config from 'config'
+import { check, validationResult } from "express-validator";
+
+import User from '../../models/User'
+import type { Request, Response } from 'express';
+import { isUserId } from '../../utils';
+
 const router = express.Router();
-const bcrypt = require("bcryptjs");
-const auth = require("../../middleware/auth");
-const jwt = require("jsonwebtoken");
-const config = require("config");
-const { check, validationResult } = require("express-validator");
-
-const User = require("../../models/User");
-
 // @route    GET api/auth
 // @desc     Get user by token
 // @access   Private
-router.get("/", auth, async (req, res) => {
+router.get("/", auth, async (req: Request, res) => {
   try {
-    const user = await User.findById(req.user.id).select("-password");
-    res.json(user);
-  } catch (err) {
-    console.error(err.message);
+    let user: unknown = null
+    if (isUserId(req)) {
+      user = await User.findById(req.user.id).select("-password");
+      res.json(user);
+    }
+    else {
+      throw new Error('missing id in request')
+    }
+  } catch (err: unknown) {
+    if (typeof err === 'string')
+      console.error(err)
+    else if (err instanceof Error)
+      console.error(err.message);
     res.status(500).send("Server Error");
   }
 });
@@ -30,7 +42,7 @@ router.post(
     check("email", "Please include a valid email").isEmail(),
     check("password", "Password is required").exists(),
   ],
-  async (req, res) => {
+  async (req: Request, res: Response) => {
     const errors = validationResult(req);
     if (!errors.isEmpty()) {
       return res.status(400).json({ errors: errors.array() });
@@ -60,21 +72,25 @@ router.post(
           id: user.id,
         },
       };
-
-      jwt.sign(
+      const jwtSecret = config.get('jwtSecret')
+      if (typeof jwtSecret === 'string') jwt.sign(
         payload,
-        config.get("jwtSecret"),
+        jwtSecret,
         { expiresIn: 360000 },
         (err, token) => {
           if (err) throw err;
           res.json({ token });
         }
       );
-    } catch (err) {
-      console.error(err.message);
+      else throw new Error('Error signing the jwt token')
+    } catch (err: unknown) {
+      if (typeof err === 'string')
+        console.error(err)
+      else if (err instanceof Error)
+        console.error(err.message);
       res.status(500).send("Server error");
     }
   }
 );
 
-module.exports = router;
+module.exports = router