const runCode = require('../lib/runCode')const bodyParser = require('body-parser')const express = require('express')const router = express.Router()router.use(bodyParser.json()) // for parsing routerlication/jsonrouter.use(bodyParser.urlencoded({ extended: true }))// GET handler for /router.get('/', (req, res) => {  res.send('API requires POST to /code/<lang>')})// POST handler for /pyrouter.post('/py', async (req, res) => {  const { filePath } = req.body  const result = await runCode('py', filePath) // executes runCode() on specified .py and input files  // BUG: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')// res.send(result)// FIXED: })// POST handler for /cpprouter.post('/cpp', async (req, res) => {  const { filePath } = req.body  const result = await runCode('cpp', filePath) // executes runCode() on specified .cpp and input files  res.send(result)})// POST handler for /jsrouter.post('/js', async (req, res) => {  const { filePath } = req.body  const result = await runCode('js', filePath) // executes runCode() on specified .js and input files  res.send(result)})module.exports = router