Simple TempData provider for Node.js applications
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README.md

TempDataJS

Simple ASP.NET MVC-like TempData provider for Node.js applications. Values added to tempData live until they are retrived or the end of a session, whichever comes first.

Example

Using tempData could not be easier. Once all setup is done, start adding values using req.tempData.set(name, value) and retrieving them using req.tempData.get(name).

	var tempData = require('tempdata');
	var app = express();

	app.configure(function() {
		...

		// This has to appear BEFORE the router
		app.use(express.cookieParser());
		app.use(express.session({ secret: 'your_super_secret_session_key' })); // please change this!
		app.use(tempData);

		...
	});

	...

	// Routes
	app.get('/', function(req, res) {
		// Retrieve tempData value here. It won't exist unless the request
	  	// was redirected
		var tempVal = JSON.stringify(req.tempData.get('test_val'));

		res.render('index', { title: 'Express', temp: tempVal });
	});

	app.post('/', function(req, res) {
	  // Set tempData value here
		req.tempData.set('test_val', { x: 'Hello World!' });
		
		res.redirect('/');
	});

	...

Installation

npm install tempdata

Usage

In order to function properly, tempdata relies on cookie parsing and session support that comes with Expressjs. Make sure the express.cookieParser() and express.session({...}) are included in your configure section:

	// This has to appear BEFORE the router
	app.use(express.cookieParser());
	app.use(express.session({ secret: 'your_super_secret_session_key' })); // please change this!
	app.use(tempData);

Once everything is set, you're read to add and retrieve data.

Setting Values

req.tempData.set(name, value) - sets the value to be retrieved later.

Getting Values

req.tempData.get(name) - returns the value that was previously set. If the value was not set, it returns null. Once the value is retrieved, it is removed from temp data.