Gruntfile.js

Gruntfile.js

module.exports = function(grunt) {

    grunt.initConfig({
        clean: {
            build: "build"
        },
        uglify: {
            js: {
                src: ["build/app.js"],
                dest: "build/app.js"
            }
        },
        concat: {
            js: {
                src: ['js/one.js', 'js/**/*.js'],
                dest: 'build/app.js'
            }
        },
        cssmin: {
            en: {
              src: "build/styles-en.css",
              dest: "build/styles-en.css"
            },
            ar: {
              src: "build/styles-ar.css",
              dest: "build/styles-ar.css"
            },
        }
        watch: {
            js: {
                files: "js/**/*.js",
                tasks: ["clean", "concat", "uglify"],
                options: {
                    livereload: true
                }
            },
            css: {
                files: "css/**/*.css",
                options:{
                    livereload: true
                }
            },
            html: {
                files: "*.html",
                options: {
                    livereload: true
                }
            }
        }
    });

    grunt.registerTask("begin", function() {
        grunt.log.writeln("Starting dev mode...")
    });

    // grunt tasks
    grunt.loadNpmTasks("grunt-contrib-watch");
    grunt.loadNpmTasks("grunt-contrib-uglify");
    grunt.loadNpmTasks("grunt-contrib-concat");
    grunt.loadNpmTasks("grunt-contrib-clean");
    grunt.loadNpmTasks("grunt-contrib-cssmin");

    grunt.registerTask("build", ["clean:build", "concat", "uglify", "cssmin:en", "cssmin:ar"]);
    grunt.registerTask("start", ["begin", "watch"]);
};