Quick n' Dirty Mustache Variable Replacement

buildTmpl.js

/**
 * Function that replaces mustache variables in a string with values from the data object
 * @param {String} tmpl     String with the variables to be replaced
 * @param {Object} data     Object with data to be populated
 * @return {String}         Returns a string with mustache variables replaced
 */
var buildTmpl = function(tmpl, data) {
    if (!data) {
        return tmpl;
    }

    return tmpl.replace(/\{\{(.*?)\}\}/g, function(mustache) {
        var keyName = mustache.replace(/[\{\}]*/g, '');
        return data[keyName] || '';
    });
};