RequireJS

    <script data-main="/js/app.js" src='/js/require.js'></script>

js/app.js

requirejs.config({
    baseUrl: '/js/lib',
    paths: {
        app: '../app',
        "jquery-ui": 'jquery-ui/jquery-ui',
        jqplot: 'jqplot/jquery.jqplot.min',
        dateAxisRenderer: 'jqplot/plugins/jqplot.dateAxisRenderer'
    },
    shim: {
        jqplot: {
            deps: ['jquery'],
            exports: 'jqplot'
        },
        dateAxisRenderer: {
            deps: ['jquery', 'jqplot'],
            exports: 'dateAxisRenderer'
        }
    }
});

requirejs([
    'jquery',
    'app/cardbox',
    'app/weightGraph',
    'app/totalGraph'
], function (
        $,
        cardbox,
        weightGraph,
        totalGraph
        ) {
    if ($(".datepicker").length > 0) {
        requirejs(['jquery-ui'], function (jqueryui) {
            $(".datepicker").datepicker({dateFormat: 'yy-mm-dd'});
        });
    }
});

js/app/graph.js

define(['jquery'], function ($) {
    return {
        getData: function (url, plot, options) {
            var series;
            $.ajax({
                async: false,
                url: url,
                dataType: "json",
                success: function (remoteData) {
                    series = remoteData.series;
                }
            });
            return series;
        }
    };
});