Problem Statement
Express handler generics are…
Explanation
Express Request is fully generic: `Request<Params, ResBody, ReqBody, Query>`. You can type each part precisely and get IntelliSense everywhere.
Code Solution
SolutionRead Only
import { Request, Response } from 'express';
function handler(req: Request<{id:string}, any, {name:string}, {q?:string}>, res: Response){
res.json({ ok: true });
}