express delay middleware

middleware.js

export const delayMiddleware = (delay) => (req, res, next) => {
  setTimeout(next, delay)
});

server.js

const express = require('express')
const {delayMiddleware} = require('./middleware');
const app = express();

const mildDelay = delayMiddleware(200);
const bigDelay = delayMiddleware(30000);

app.use(mildDelay) // For all request
app.post(mildDelay); // For all POSTs
app.put('/asdf/*', bigDelay) // For all PUTs a /asdf/*
app.get('hello', delayMiddleware(1000), (req, res) => res.json({hello: true}) // For an specific route