Quick Start

# Install dependencies
bun install

# Development (hot reload)
bun run dev

# Production build + preview
bun run build && bun run preview

# Format code
bun run format

Commands

Command	Description
bun install	Install dependencies
bun run dev	Start dev server (hot reload)
bun run build	Build JS/CSS for production
bun run preview	Run production server
bun run format	Format code with Biome

Environment Variables

Create .env file:

uri=mongodb://localhost:27017
PORT=3000
CLIENT_ORIGIN=http://localhost:3000
NODE_ENV=development

Project Structure

├── app.ts          # Express server + Socket.io
├── build.ts        # Production build script
├── utils.ts        # MongoDB utilities + helpers
├── types.ts        # TypeScript types
├── public/
│   ├── js/         # Source JS files (main.js, topic.js, socket.js)
│   ├── css/        # Source CSS files
│   └── assets/     # Images, fonts
└── dist/           # Production build output

Database Schema

Users:

{
    "_id": "090df0sd0f28391023",
    "displayName": "Bob",
    "username": "Bob",
    "avatar": "/assets/default_red.png",
    "password": "password123",
    "birthday": {
        "$date": "2007-10-05T16:00:00.000Z"
    },
    "cookieId": "idasdno8hdoAksdj",
    "rooms": {
        "9hfm09asfsd": "admin",
        "sd9uf87fsduf": "co-admin",
        "osjd78godifjd": "member"
    },
    "pins": {
        "public": [
            {
                "_id": "ksdf8g7dfo",
                "name": "Detective Conan"
            },
            {
                "_id": "54n89tgjfd",
                "name": "OneTruthPrevails"
            },
            {
                "_id": "mk1nj322j2",
                "name": "css bad"
            }
        ],
        "private": []
    }
}

Rooms:

{
    "_id": "ksdf8g7dfo",
    "name": "Detective Conan",
    "visibility": "public",
    "messages": [
        {
            "id": "ksdf8g7dfo1",
            "author": "Ran",
            "content": "yo",
            "createdAt": 1676539238720
        },
        {
            "id": "ksdf8g7dfo2",
            "author": "Shinichi",
            "content": "wutsup",
            "createdAt": 1676539238720
        }
    ],
    "members": [],
    "muted": ["talkativeguy123", "kogoro5563"],
    "msgId": 2
}

{
    "_id": "9hfm09asfsd",
    "name": "Balistik ai",
    "visibility": "private",
    "messages": [
        {
            "id": "9hfm09asfsd1",
            "author": "Alice",
            "content": "hi",
            "createdAt": 1676539238720
        },
        {
            "id": "9hfm09asfsd2",
            "author": "Bob",
            "content": "hello",
            "createdAt": 1676542330844
        }
    ],
    "members": [
        { "username": "Alice", "role": "admin" },
        { "username": "Bob", "role": "member" }
    ],
    "muted": [],
    "msgId": 2
}