doc-it-up
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Generates automatic documentation for your code. Supports Express, Fastify, Koa, Hono, Elysia, and Hapi.
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<img src="https://raw.githubusercontent.com/Kishan-Agarwal-28/doc-it-up/main/picsvg_download.svg" width="200" height="200" style="margin-right: 16px;" alt="doc-it-up logo" />
<h1 style="text-wrap:balance">doc-it-up - The Game-Changing API Documentation Generator</h1>
</div>
<div align="center">
[](https://badge.fury.io/js/doc-it-up)
[](https://www.npmjs.com/package/doc-it-up)
[](https://opensource.org/licenses/MIT)
> **Stop writing documentation. Start building APIs.**
</div>
## 🎯 The Problem That's Killing Your Productivity
Every developer knows the pain:
- 📝 Writing API docs takes **5x longer** than building the API
- 🔄 Docs become **outdated** the moment you deploy
- 🐛 **Inconsistent** documentation leads to integration nightmares
- ⏰ **Deadlines missed** because "we need to update the docs"
- 😤 **Frustrated teammates** dealing with undocumented endpoints
## 🔥 **Why Developers Are Switching (and you should too)**
### ❌ **Before doc-it-up**
*Spending hours writing YAML files, struggling with indentation errors, and manually updating schemas every time you change a field.*
```javascript
/**
* @swagger
* /users:
* post:
* summary: Create a new user
* requestBody:
* required: true
* content:
* application/json:
* schema:
* type: object
* properties:
* name:
* type: string
* email:
* type: string
* format: email
* responses:
* 200:
* description: User created successfully
* content:
* application/json:
* schema:
* type: object
* properties:
* id:
* type: integer
* name:
* type: string
* email:
* type: string
*/
app.post('/users', (req, res) => {
// Your code here
});
```
### ✅ **After doc-it-up**
*Just write your code. We handle the rest.*
```javascript
app.post('/users', (req, res) => {
// Your code here
// Documentation generated automatically!
});
```
**That's it. Seriously.**
## ✨ The Solution That Changes Everything
**doc-it-up** is the **revolutionary middleware** that:
### 🧠 **Learns Your API as You Build It**
* **Zero configuration** - Just plug and play
* **Automatic schema detection** from real requests & responses
* **Live documentation** that updates itself instantly
* **Swagger/OpenAPI 3.0** compliance out of the box
### 🔥 **Mind-Blowing Features**
#### 🎪 **Magic Middleware**
Drop it in, and it works. We support **Express, Fastify, Koa, Hono, Elysia, and Hapi**.
#### 🌟 **Intelligent Schema Detection**
We analyze your JSON bodies to build precise types automatically:
```javascript
// Automatically detects and documents:
{
"user": {
"name": "string",
"email": "string (email format)",
"createdAt": "string (date-time format)",
"preferences": {
"theme": "string",
"notifications": "boolean"
}
}
}
```
#### 🔐 **Advanced Authentication Support**
* Bearer tokens
* API keys
* Basic auth
* Custom authentication schemes
* **Automatic security documentation**
#### 📁 **File Upload Documentation**
Automatically handles `multipart/form-data`. We document:
* File type validation
* Size limits
* Multiple file support
* **Swagger UI file upload interface** (Yes, you can upload files directly from the docs!)
#### 🎨 **Beautiful UI**
* **Stunning Swagger UI** included
* **Interactive API explorer**
* **Real-time testing** directly from docs
* **Mobile-responsive** design
## 🚀 Quick Start (30 seconds to glory)
### Installation
```bash
npm install doc-it-up
```
### Choose Your Fighter (Framework)
We support them all. Import directly from the subpath for your framework to keep your bundle size small!
#### 🚀 **Express**
```javascript
import express from 'express';
import { expressMiddleware, expressHandler } from 'doc-it-up/express';
const app = express();
// 1. Register the magic middleware
app.use(expressMiddleware());
// 2. Your existing routes work as usual
app.get('/users', (req, res) => {
res.json({ users: [{ id: 1, name: 'John' }] });
});
// 3. Serve the docs
app.use('/docs', expressHandler());
app.listen(3000, () => {
console.log('📚 Docs available at http://localhost:3000/docs');
});
```
#### ⚡ **Fastify**
```javascript
import Fastify from 'fastify';
import docItUpPlugin from 'doc-it-up/fastify';
const fastify = Fastify();
// Register the plugin
await fastify.register(docItUpPlugin);
fastify.get('/hello', async () => {
return { hello: 'world' };
});
await fastify.listen({ port: 3000 });
console.log('📚 Docs available at http://localhost:3000/docs');
```
#### 🔥 **Hono** (Works on Cloudflare Workers, Bun, Node)
```javascript
import { Hono } from 'hono';
import { honoMiddleware, registerHonoDocs } from 'doc-it-up/hono';
const app = new Hono();
app.use('*', honoMiddleware());
app.get('/api', (c) => c.json({ message: 'Hello Hono!' }));
// Register /docs endpoints
registerHonoDocs(app);
export default app;
```
#### 🍃 **Koa**
```javascript
import Koa from 'koa';
import Router from '@koa/router';
import bodyParser from 'koa-bodyparser';
import { koaMiddleware, koaHandler } from 'doc-it-up/koa';
const app = new Koa();
const router = new Router();
app.use(bodyParser());
app.use(koaMiddleware());
router.get('/data', (ctx) => {
ctx.body = { status: 'success' };
});
// Serve docs
router.get('/docs', koaHandler());
router.get('/docs/swagger.json', koaHandler());
app.use(router.routes());
app.listen(3000);
```
#### 🦊 **Elysia** (Bun)
```javascript
import { Elysia } from 'elysia';
import { docItUpElysia } from 'doc-it-up/elysia';
new Elysia()
.use(docItUpElysia())
.get('/', () => 'Hello Elysia')
.listen(3000);
```
#### 🛠️ **Hapi**
```javascript
import Hapi from '@hapi/hapi';
import { hapiPlugin } from 'doc-it-up/hapi';
const init = async () => {
const server = Hapi.server({ port: 3000 });
await server.register(hapiPlugin);
server.route({
method: 'GET',
path: '/',
handler: () => 'Hello Hapi'
});
await server.start();
};
init();
```
<div style="background-color:#ffe5e5; color:#b30000; padding:12px; border-left:5px solid #b30000; font-weight:bold;">
🚨 <strong>NOTE:</strong> doc-it-up generates documentation based on actual requests. This is amazing for development! However, please ensure you review or secure your documentation routes before deploying to a public production environment to avoid exposing sensitive test data.
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## 🎯 Advanced Features
### 📊 **Smart Schema Evolution**
```javascript
// First request: { "name": "John" }
// Second request: { "name": "John", "age": 30 }
// doc-it-up automatically merges schemas intelligently to { "name": string, "age": integer }
```
### 🔄 **Real-time Updates**
* Documentation updates **automatically** with each request
* **No server restart** required
* **Schema versioning** and change detection
### 📱 **Multi-format Support**
* JSON
* XML
* Form data
* File uploads
* Custom content types
## 📈 Performance Impact
| Metric | Impact |
| --- | --- |
| **Request Latency** | +0.1ms (Negligible) |
| **Memory Usage** | +2MB |
| **CPU Overhead** | <0.01% |
| **Documentation Quality** | ∞% better |
## 🔧 TypeScript Support
We provide full type definitions for every adapter!
```typescript
import { expressMiddleware } from 'doc-it-up/express';
// Types are inferred automatically!
```
## 🤝 Contributing
We're building the future of API documentation together!
### 🎯 **How to Contribute**
1. 🍴 Fork the repository
2. 🌟 Create a feature branch
3. 🔧 Make your changes
4. 📝 Add tests
5. 🚀 Submit a pull request
## 📄 License
MIT License - feel free to use this in your commercial projects!
## 🚀 Get Started Now
```bash
npm install doc-it-up
```
**Join thousands of developers who've already made the switch to effortless API documentation!**
<div align="center">
### 🌟 **Star us on GitHub** **Built with ❤️ by developers, for developers**
*Making API documentation so easy, you'll forget it's there*
</div>
*🚀 Ready to revolutionize your API development? Install doc-it-up now and never write API documentation again!*
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