Async template loading

gistfile1.txt

// TODO: Better caching. If there are two template requests at the same time, they will both do a get request.

var templateCache = {};

var template = function(name, callback) {
    var template = templateCache[name];
    if(!template) {
        $.get('templates/' + name + '.html').success(function(data) {
            template = templateCache[name] = _.template(data);
            callback(template);
        });
    } else {
        callback(template);
    }
};