Tim (lite), renamed to timLite, for including in perf tests at http://jsperf.com/dom-vs-innerhtml-based-templating/111

tim-lite-min.js

var timLite=function(){var e=/{{\s*([a-z0-9_][\\.a-z0-9_]*)\s*}}/gi;return function(f,g){return f.replace(e,function(h,i){for(var c=i.split("."),d=c.length,b=g,a=0;a<d;a++){b=b[c[a]];if(b===void 0)throw"tim: '"+c[a]+"' not found in "+h;if(a===d-1)return b}})}}();

tim-lite.js

/*!
* Tim (lite)
*   github.com/premasagar/tim
*
*//*
    A tiny, secure JavaScript micro-templating script.
*//*

    by Premasagar Rose
        dharmafly.com

    license
        opensource.org/licenses/mit-license.php

    **

    creates global object
        tim

    **
        
    v0.3.0
        
*/

var timLite = (function(){
    "use strict";

    var start   = "{{",
        end     = "}}",
        path    = "[a-z0-9_][\\.a-z0-9_]*", // e.g. config.person.name
        pattern = new RegExp(start + "\\s*("+ path +")\\s*" + end, "gi"),
        undef;
    
    return function(template, data){
        // Merge data into the template string
        return template.replace(pattern, function(tag, token){
            var path = token.split("."),
                len = path.length,
                lookup = data,
                i = 0;

            for (; i < len; i++){
                lookup = lookup[path[i]];
                
                // Property not found
                /*
                if (lookup === undef){
                    throw "tim: '" + path[i] + "' not found in " + tag;
                }
                */
                
                // Return the required value
                if (i === len - 1){
                    return lookup;
                }
            }
        });
    };
}());