main.js

requirejs.config({
    baseUrl: 'js/lib',
    paths: {
        //jquery: 'jquery-1.11.3.min', //no need to give path if jquery.js is located in baseUrl
        knockout: 'knockout-3.3.0.js',
        Materialize: '../materialize', //vanilla materialize .. no amd version
        app: '../app',
        hammerjs: 'hammer.min',
        velocity: 'velocity.min',
        jqueryHammer: 'jquery.hammer',
        jqueryEasing: 'materialize/js/jquery.easing.1.3',
    },
    shim: {
        'Materialize': ['jquery', 'hammerjs', 'jqueryHammer', 'velocity']
    }
});

require(['app'], function () {
    console.log('loaded')
});