ratrapage_T-WEB/Express/barAndCafe/src/app.ts

import express from "express"
/**
 * Initialize Express application instance.
 * @returns An initialized Express application object.
 */
const app = express()



/**
 * Handle GET request for homepage route ('/welcome').
 * Send back a simple json response.
 * @param {express.Request} req - HTTP Request object.
 * @param {express.Response} res - HTTP Response object.
 */
function getWelcome(req: express.Request, res: express.Response) {
    const out = {hello:"world"}
    res.send(out)
}

/**
 * @openapi
 * /welcome:
 *   get:
 *     description: Welcome to swagger-jsdoc!
 *     responses:
 *       200:
 *         description: Returns a welcome json.
 */
app.get("/welcome", getWelcome)

export default app