Gruntfile.js

module.exports = function(grunt){
    // Project configuration.
    grunt.initConfig({
        pkg: grunt.file.readJSON('package.json'),
        srcFiles: [
            'src/*.js'
        ],
        concat: {
            prod: {
                src: ['<%= srcFiles %>'],
                dest: 'build/<%= pkg.name %>.js'
            }
        },
        uglify: {
            options: {
                banner: '/*! <%= pkg.name %> <%= grunt.template.today("yyyy-mm-dd") %> */\n'
            },
            build: {
                src: ['<%= srcFiles %>'],
                dest: 'build/<%= pkg.name %>.min.js'
            }
        }
    });

    // Load the plugin that provides the "uglify" task.
    grunt.loadNpmTasks('grunt-contrib-uglify');

    // Default task(s).
    grunt.registerTask('default', ['uglify', 'concat:prod']);

    grunt.loadNpmTasks('grunt-contrib-concat');

};