GruntFile.js for Laravel 4 development

// GruntFile.js for Laravel 4 Development

module.exports = function(grunt) {
    "use strict";
    grunt.initConfig({
        "watch": {
            "all": {
                files: ["public/css/*", "public/js/*"],
                tasks: ["clean:all", "less:dev", "concat:dev", "uglify:dev",]
            }
        },
        "clean": {
            "all": {
                src: ["public/assets"]
            }
        },
        "less": {
            "dev": {
                options: { yuicompress: true },
                files: { "public/assets/css/style.css": "public/css/style.less" }
            }
        },
        "css": {
            files: {
              "public/assets/css/css-style.css": ["public/css/**/*.css"]
            }
        },
        "concat": {
            "dev": {
                seperator: ";",
                src: ["public/js/*.js"],
                dest: "public/assets/js/script.js"
            }
        },
        "uglify": {
            "dev": {
                files: {
                    "public/assets/js/script.min.js": ["public/assets/js/script.js"]
                }
            }
        }
    });

    grunt.loadNpmTasks('grunt-contrib-watch');
    grunt.loadNpmTasks('grunt-contrib-less');
    // grunt.loadNpmTasks('grunt-contrib-cssmin');
    grunt.loadNpmTasks('grunt-contrib-concat');
    grunt.loadNpmTasks('grunt-contrib-uglify');
    grunt.loadNpmTasks('grunt-contrib-clean');
    grunt.registerTask('build', ["clean:all", "less:dev", "concat:dev", "uglify:dev"]);
};