Gruntfile configuration

Gruntfile.js

module.exports = function (grunt) {
    grunt.initConfig({
        pkg: grunt.file.readJSON("package.json"),
        uglify: {
            js_path: {
                files: {
                    'public/js/site.min.js': [
                        'public/assets/site/js/boostrap.min.js',
                        'public/assets/site/js/cookie.js',
                        'public/assets/site/js/jquery.backstretch.min.js',
                        'public/assets/site/js/main.js'
                    ],
                    'public/js/app.min.js': [
                        'public/assets/app/js/boostrap.min.js',
                        'public/assets/site/js/cookie.js',
                        'public/assets/app/js/bbcode.js',
                        'public/assets/app/js/jquery.raty.js',
                        'public/assets/app/js/letterColoredAvatar.js',
                        'public/assets/app/js/book.js'
                    ],
                    'public/js/admin.min.js': [
                        'public/assets/admin/js/*',
                    ]
                }
            }
        },
        cssmin: {
            options: {
                shorthandCompacting: true,
                roundingPrecision: -1
            },
            target: {
                files: {
                    'public/css/app.min.css': [
                        'public/assets/app/css/bootstrap.min.css',
                        'public/assets/app/css/book.css'
                    ],
                    'public/css/admin.min.css': [
                        'public/assets/admin/css/*',
                    ],
                    'public/css/site.min.css': [
                        'public/assets/site/css/*'
                    ]
                }
            }
        },
        watch: {
            files: ['public/assets/*.js', 'public/assets/*.css'],
            tasks: ['uglify', 'cssmin']
        }
    });

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

    // Default tasks
    grunt.registerTask('default', ['uglify', 'cssmin']);
};