How to use body-parser

beforeAll(done => {
  app = express();
  app.use(bodyParser.json({ type: '*/*' }));
  server = app.listen(12345, undefined, done);
 });

function startServer(done) {
 const app = express();
 app.use(bodyParser.json({ type: '*/*' }));
 app.get('/hello', function(req, res) {
  res.json({ response: 'OK' });
 });

 app.get('/404', function(req, res) {
  res.status(404);
  res.send('NO');
 });

 app.get('/301', function(req, res) {
  res.status(301);
  res.location('/hello');
  res.send();
 });

 app.post('/echo', function(req, res) {
  res.json(req.body);
 });

 app.get('/qs', function(req, res) {
  res.json(req.query);
 });

 return app.listen(13371, undefined, done);
}

app.use(bodyParser.json());
app.use(
 bodyParser.urlencoded({
  extended: true
 })

app.use(bodyparser.json())
app.use(cors())
app.use(helmet())

function createApi(createQueue, options = {}) {
 var api = express()
 api.use(bodyParser.json())

app.use(bodyParser.urlencoded({ extended: true, limit: LIMIT_SIZE}));
app.use(bodyParser.json());
app.use('/cgi-bin/sessions/export', function(req, res) {
 var body = req.body;

}));
const jsonParser = bodyParser.json({ limit: '1mb' });
app.post(`${this.basePath}/v1/load`, jsonParser, this.requestMiddleware, (async (req, res) => {
 await this.load({

const bodyParser = require("body-parser");
app.use(require("cors")());
app.use(bodyParser.json({ limit: "50mb" }));

app.use(morgan("tiny"));
app.use(cors());
app.use(bodyParser.json());
app.use(
 bodyParser.urlencoded({
  extended: true
 })

 });
});
api.use('/', bodyParser.urlencoded({
 extended: false
}), new _PublicAPIRouter.PublicAPIRouter().expressRouter());
api.use(bodyParser.json({
 type: '*/*',
 limit: maxUploadSize

// Setup useful middleware.
app.use(
 bodyParser.json({
  // We need the raw body to verify webhook signatures.
  // Let's compute it only when hitting the Stripe webhook endpoint.
  verify: function(req, res, buf) {
   if (req.originalUrl.startsWith('/webhook')) {
    req.rawBody = buf.toString();
   }
  },
 })
);

app.use(bodyParser.json({
 verify: function (req, res, buf, encoding) {
  // raw body for signature check
  req.rawBody = buf.toString();
 }
}));

app.use(bodyParser.json());

app.use(bodyParser.json())
app.use(bodyParser.text())

app.use(cors());
app.use(compression());
app.use(bodyParser.json());