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sigpro/SigProRouterPlugin/Readme.md
Natxo 52c28e7bf8 Add README for SigPro Router Plugin
This README provides detailed information about the SigPro Router Plugin for Vite, including features, installation instructions, usage examples, and limitations.
2026-03-13 13:49:13 +01:00

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# SigPro Router Plugin for Vite
A Vite plugin that automatically generates routes from your file structure in `src/pages/`, similar to Next.js file-based routing but for any JavaScript project.
## Features
- 📁 **File-based routing**: Automatically creates routes from your `src/pages` directory
- 🔗 **Dynamic routes**: Supports parameterized routes using `[param]` syntax
- 🧭 **Path-to-regexp conversion**: Dynamic routes are converted to RegExp with named capture groups
- 📊 **Route map generation**: Console output shows all detected routes at build time
- 🎯 **Virtual module**: Access your routes via `virtual:sigpro-routes`
## Installation
1. Save the plugin code in your project, for example as `plugins/sigpro-router.js`
2. Add it to your Vite configuration:
```javascript
// vite.config.js
import { defineConfig } from 'vite';
import sigproRouter from './plugins/sigpro-router';
export default defineConfig({
plugins: [sigproRouter()]
});
```
## Usage
### 1. Create Pages
Create `.js` files in your `src/pages` directory. Each file becomes a route:
```
src/pages/
├── index.js -> /
├── about.js -> /about
├── blog/
│ ├── index.js -> /blog
│ └── [id].js -> /blog/:id (dynamic)
└── users/
└── [userId].js -> /users/:userId (dynamic)
```
### 2. Access Routes in Your Application
The plugin exposes a virtual module `virtual:sigpro-routes` that exports a `routes` array:
```javascript
// In your router or main application file
import { routes } from 'virtual:sigpro-routes';
// The routes array structure:
// [
// { path: '/', component: PageComponent, isDynamic: false, paramName: null },
// { path: /^\/blog\/(?<id>[^/]+)$/, component: PageComponent, isDynamic: true, paramName: 'id' },
// { path: /^\/users\/(?<userId>[^/]+)$/, component: PageComponent, isDynamic: true, paramName: 'userId' },
// ]
// Example usage with a simple router
function renderRoute(path) {
for (const route of routes) {
if (!route.isDynamic && route.path === path) {
return route.component();
} else if (route.isDynamic) {
const match = path.match(route.path);
if (match) {
// Access params via match.groups
const params = match.groups;
return route.component(params);
}
}
}
return '<h1>404 Not Found</h1>';
}
```
### 3. Build Time Output
When you run your Vite dev server or build, you'll see a route map in the console:
```
🚀 [SigPro Router] Mapa de rutas generado:
📄 / -> index.js
📄 /about -> about.js
📄 /blog -> blog/index.js
🔗 /blog/[id] -> blog/[id].js
🔗 /users/[userId] -> users/[userId].js
```
## Route Priority
Routes are automatically prioritized:
1. Static routes (non-dynamic) are matched before dynamic routes
2. Routes are sorted by path length (shorter paths first)
## Route Object Properties
Each route in the `routes` array contains:
| Property | Type | Description |
|----------|------|-------------|
| `path` | `string \| RegExp` | Static path string or RegExp for dynamic routes |
| `component` | `Function` | The imported page component/module |
| `isDynamic` | `boolean` | Whether the route has parameters |
| `paramName` | `string \| null` | The parameter name for dynamic routes |
## Dynamic Route Parameters
For dynamic routes like `blog/[id].js`:
- The route path becomes: `new RegExp("^\\/blog\\/(?<id>[^/]+)$")`
- Parameters can be accessed via `match.groups` when matching the route
Example:
```javascript
const match = '/blog/123'.match(/^\/blog\/(?<id>[^/]+)$/);
console.log(match.groups.id); // '123'
```
## Limitations
- Only scans `.js` files (no JSX/TS support by default - modify the plugin if needed)
- Requires a `src/pages` directory in your project root
- Dynamic parameters are matched as single path segments (no catch-all routes)
## Customization
You can modify the plugin to:
- Support other file extensions (.jsx, .ts, .tsx)
- Change the pages directory location
- Add custom route sorting logic
- Implement nested dynamic routes
---
Built for SigPro applications with Vite.