Day 47 of #100DayOfCode — Creating Frontend of Auth System

For day 47, the goal was to create the frontend UI of the Authentication System using (TSX) and TailwindCSS, and connect it to its backend. Link to creating the Auth System Backend on Day 40 Day 40 of #100DayOfCode — Building a Mini Auth System M Saad Ahmad M Saad Ahmad M Saad Ahmad Follow Mar 14 Day 40 of #100DayOfCode — Building a Mini Auth System # webdev # programming # javascript # 100daysofcode 6  reactions Comments 1  comment 4 min read TL;DR A walkthrough of building a React TypeScript frontend for a Node.js auth system, covering why interfaces come before components, how 8 states in a single App component drive the entire UI without a router or context, and how three sequential Axios calls to POST /auth/register , POST /auth/login , and GET /users/:id connect the frontend to a JWT-protected backend. Table of Contents Why React with TypeScript instead of JavaScript Why TypeScript Interfaces Before the Components? The Register Component The Login Component The Dashboard Componen