simple-templates.js

// based on: http://snipt.org/rpp (which seems now defunct)
function Template(str) {
	this.rgx = /{{([^{}]*)}}/g
	this.str = str || ''
}
Template.prototype.evaluate = function (vals) {
	vals = vals || {}
	function repr(str, match) {
		return 'string' === typeof vals[match] || 'number' === typeof vals[match] ? vals[match] : str
	}
	return this.str.replace(this.rgx, repr)
}