grunt.js file used purely for JS concatenation & minification with a watch to automate the process. Includes multiple build targets.

grunt-1.js

/* global module:false */
module.exports = function(grunt) {

    // Project configuration.
    grunt.initConfig({
        // Project metadata, used by some directives, helpers and tasks.
        meta: {
            project: '<Project Name>',
            author: "<Author>",
            url: '<URL>',
            banner: '/* \n' +
                    ' * \tProduced:\t\t<%= meta.author %>\n' +
                    ' * \tURL:\t<%= meta.url %>\n' +
                    ' * \n' +
                    ' * \tProject:\t\t<%= meta.title %>\n' +
                    ' * \tBuild Date:\t\t<%= grunt.template.today("yyyy-mm-dd") %>\n' +
                    ' * \n' +
                    ' */'
        },
        // Lists of files to be concatenated, used by the "concat" task.
        concat: {
            // Main site scripts
            site: {
                src: [
                    'vendor/nivo.slider.pack.js',
                    'vendor/sliderAccess.js',
                    'site.js'
                ],
                dest: 'build/site.js'
            },
            // Checkout module scripts
            checkout: {
                src: [
                    'vendor/jquery-ui-custom.js', 
                    'vendor/jquery-ui-timepicker.js',
                    'checkout.js'
                ],
                dest: 'build/checkout.js'
            }
        },
        // Lists of files to be minified with UglifyJS, used by the "min" task.
        min: {
            // Main site scripts
            site: {
                src: [
                    '<banner>',
                    'build/site.js'
                ],
                dest: 'build/site.min.js'
            },
            // Checkout module scripts
            checkout: {
                src: [
                    '<banner>',
                    'build/checkout.js'
                ],
                dest: 'build/checkout.min.js'
            }
        },
        // Configuration options for the "watch" task.
        watch: {
            files: ['*.js'],
            tasks: 'default'
        }
    });

    // Default task.
    grunt.registerTask('default', 'concat min'); // Optionally pass watch here to have it run automatically.

};