Chat App - TechSee Recruitment Assignment

Technologies

General

• Typescript
• Node

Frontend

• React, using hooks
• Fetch API
• socket.io.client

Backend

• express.js
• socket.io

Functionalities

• enter chat with username
  • username gets validated with connected participants, no duplicates allowed
• send and receive messages
• see archive messages
• keep information about Participants in memory
• keep information about Messages in memory
• responsive web app

Things omitted

• production-level error handling
• api client creation
• authorization
• tests - due to a thin business logic

Installation

Client

cd ./client && npm i && npm run start

Server

cd ./server && npm i && npm run start