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๐Ÿ“š Tutorial๐Ÿ”— Express Js12) Plugins

Plugins

1. cors

Providing a Connect/Express middleware that can be used to enable CORS with various options. https://www.npmjs.com/package/corsย 

yarn add cors
server.ts
import express, { Request, Response } from "express"; import cors from "cors"; const app = express(); // Add This app.use(cors()) app.get("/", function (req: Request, res: Response) { res.end("Hello mom!"); }); const PORT = 8181; app.listen(PORT, () => { console.log(`Listening at http://localhost:${PORT}/`); });

2. express-rate-limit

Basic rate-limiting middleware for Express. https://www.npmjs.com/package/express-rate-limitย 

yarn add express-rate-limit
server.ts
import express, { Request, Response } from "express"; import { rateLimit } from 'express-rate-limit' const app = express(); // Add This const limiter = rateLimit({ windowMs: 15 * 60 * 1000, // 15 minutes limit: 100, // Limit each IP to 100 requests per `window` (here, per 15 minutes). standardHeaders: 'draft-8', // draft-6: `RateLimit-*` headers; draft-7 & draft-8: combined `RateLimit` header legacyHeaders: false, // Disable the `X-RateLimit-*` headers. }) app.use(limiter) app.get("/", function (req: Request, res: Response) { res.end("Hello mom!"); }); const PORT = 8181; app.listen(PORT, () => { console.log(`Listening at http://localhost:${PORT}/`); });

3. helmet

Help secure Express apps by setting HTTP response headers. https://www.npmjs.com/package/helmetย 

yarn add helmet
server.ts
import express, { Request, Response } from "express"; import helmet from "helmet"; const app = express(); // Add This app.use(helmet()); app.get("/", function (req: Request, res: Response) { res.end("Hello mom!"); }); const PORT = 8181; app.listen(PORT, () => { console.log(`Listening at http://localhost:${PORT}/`); });
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