RSS 2.0 Jade Template

example.js

res.header('Content-Type', 'application/xml');
res.render('rss2.0.template.jade', {
	  dateFormat: GetRFC822Date
	, channel: {
			  title: "Mike Valstar's Blog"
			, link: "http://mikevalstar.com"
			, description: "WEB DEVELOPMENT, PROGRAMMING, RANDOM THOUGHTS"
		}
	, items: [
		{title: "Sample title", link: "http://mikevalstar.com/1", description: "description", pubDate: new Date(), guid: "http://mikevalstar.com/1"},
		{title: "Sample title", link: "http://mikevalstar.com/2", description: "description", pubDate: new Date(), guid: "http://mikevalstar.com/2"},
		{title: "Sample title", link: "http://mikevalstar.com/3", description: "description", pubDate: new Date(), guid: "http://mikevalstar.com/3"},
		{title: "Sample title", link: "http://mikevalstar.com/4", description: "description", pubDate: new Date(), guid: "http://mikevalstar.com/4"},
	]
	, layout: false
});

GetRFC822Date.js

function GetRFC822Date(oDate){
	
	// allow for empty request
	if(typeof(oDate) == "undefined" || !oDate) oDate = new Date();

	//Pads numbers with a preceding 0 if the number is less than 10.
	var LZ = function(val){ return (parseInt(val) < 10) ? "0" + val : val; }
	
	/* accepts the client's time zone offset from GMT in minutes as a parameter. returns the timezone offset in the format [+|-}DDDD */
	var getTZOString = function(timezoneOffset){
		var hours = Math.floor(timezoneOffset/60);
		var modMin = Math.abs(timezoneOffset%60);
		var s = new String();
		s += (hours > 0) ? "-" : "+";
		var absHours = Math.abs(hours)
		s += (absHours < 10) ? "0" + absHours :absHours;
		s += ((modMin == 0) ? "00" : modMin);
		return(s);
	}

	var aMonths = new Array("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
	var aDays = new Array( "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
	var dtm = new String();
		
	dtm = aDays[oDate.getDay()] + ", ";
	dtm += LZ(oDate.getDate()) + " ";
	dtm += aMonths[oDate.getMonth()] + " ";
	dtm += oDate.getFullYear() + " ";
	dtm += LZ(oDate.getHours()) + ":";
	dtm += LZ(oDate.getMinutes()) + ":";
	dtm += LZ(oDate.getSeconds()) + " " ;
	dtm += getTZOString(oDate.getTimezoneOffset());
	return dtm;
}

rss2.0.template.jade

//- Not supported:
//-  Channel -> cloud
//-  Category Domains
!!! xml
rss(version="2.0")
	channel
		//- Required channel elements
		title=channel.title
		link=channel.link
		description=channel.description
	
		//- Optional Cheannel Elements
		- if(typeof(channel.ttl) != 'undefined')
			ttl=channel.ttl
		- if(typeof(channel.rating) != 'undefined')
			rating=channel.rating
		- if(typeof(channel.skipHours) != 'undefined')
			skipHours=channel.skipHours
		- if(typeof(channel.skipDays) != 'undefined')
			skipDays=channel.skipDays
		- if(typeof(channel.language) != 'undefined')
			language=channel.language
		- if(typeof(channel.copyright) != 'undefined')
			copyright=channel.copyright
		- if(typeof(channel.generator) != 'undefined')
			generator=channel.generator
		- if(typeof(channel.managingEditor) != 'undefined')
			managingEditor=channel.managingEditor
		- if(typeof(channel.webMaster) != 'undefined')
			webMaster=channel.webMaster
		
			//- Image object: {url, title, link, width, height}
		- if(typeof(channel.image) != 'undefined')
			image
				url=channel.image.url
				title=channel.image.title
				link=channel.image.link
			- if(typeof(channel.image.width) != 'undefined')
				width=channel.image.width
			- if(typeof(channel.image.height) != 'undefined')
				height=channel.image.height
	
			//- textInput object: {name, title, description, link}
		- if(typeof(channel.textInput) != 'undefined')
			textInput
				name=channel.textInput.name
				title=channel.textInput.title
				description=channel.textInput.description
				link=channel.textInput.link
	
			//- Category(ies): string or array
		- if(typeof(channel.category) == 'object' && channel.category.length){
			- channel.category.forEach(function(cat){
			category=cat
			- });
		- }else if(typeof(channel.category) != 'undefined'){
			category=channel.category
		- }
	
			//- docs (required but using default)
		- if(typeof(channel.docs) == 'undefined'){
			docs http://blogs.law.harvard.edu/tech/rss
		- }else{
			docs=channel.docs
		- }

			//- pubDate / lastBuildDate - default to now
		- if(typeof(channel.pubDate) == 'undefined'){
			pubDate=dateFormat()
		- }else{
			pubDate=dateFormat(channel.pubDate)
		- }
		
		- if(typeof(channel.lastBuildDate) == 'undefined'){
			lastBuildDate=dateFormat()
		- }else{
			lastBuildDate=dateFormat(channel.lastBuildDate)
		- }
	
			//- Items
		- items.forEach(function(item){
			item
				//- Required items
				title=item.title
				link=item.link
				description=item.description
				pubDate=dateFormat(item.pubDate)
				
				//- Optional Elements
				- if(typeof(item.author) != 'undefined')
					author=item.author
				- if(typeof(item.comments) != 'undefined')
					comments=item.comments
				- if(typeof(item.enclosure) != 'undefined')
					enclosure(url=item.enclosure, length=item.enclosure_length, type=item.enclosure_type)
				- if(typeof(item.source) != 'undefined')
					source(url=item.source_title)=item.source
					
					//- Category(ies): string or array
				- if(typeof(item.category) == 'object' && item.category.length){
					- item.category.forEach(function(cat){
					category=cat
					- });
				- }else if(typeof(item.category) != 'undefined'){
					category=item.category
				- }
					
					//- guid with optional permalink reference
				- if(typeof(item.isPermaLink) != 'undefined' && item.isPermaLink){
					guid(isPermaLink="true")=item.guid 
				- } else {
					guid=item.guid
				- }
		- });

This is a very complete example! But could be done more easily:

instead of

- if(typeof(channel.textInput) != 'undefined')
  // something goes here

you can also do

if channel.textInput
  // something goes here