template.js

/*
 * template.node.js
 * by Chad Etzel - MIT Licensed
 *
 * Based off of:
 * Simple JavaScript Templating
 * by John Resig - http://ejohn.org/ - MIT Licensed
 * http://ejohn.org/blog/javascript-micro-templating/
 */


var fs = require("fs");

var cache = {};
  
var create = function(file_name, callback) {
	fs.readFile(file_name, function(err, file_contents) {
	    if(!err) {
		callback(new Function("obj",
			 "var p=[],print=function(){p.push.apply(p,arguments);};" +

			 // Introduce the data as local variables using with(){}
			 "with(obj){p.push('" +

			 // Convert the template into pure JavaScript
			 file_contents
			 .replace(/[\r\n\t]/g, " ")
			 .split("<%").join("\t")
			 .replace(/((^|%>)[^\t]*)'/g, "$1\r")
	                 .replace(/\t=(.*?)%>/g, "',$1,'")
	                 .split("\t").join("');")
	                 .split("%>").join("p.push('")
	                 .split("\r").join("\\'")
	                 + "');}return p.join('');"));
	    }
	});
}

/* exports */
exports.create = create;