My Gruntfile

gruntfile.js

module.exports = function(grunt) {
	grunt.initConfig({
		notify: {
			watch: {
				options: {
					title: 'Grunt Watch',
					message: 'Good to go!'
				}
			}
		},
		postcss: {
			options: {
				map: true,
				processors: [
					require('autoprefixer')
				]
			},
			dist: {
				files: {
					'assets/css/main.min.css': 'assets/css/main.min.css'
				}
			}
		},
		sass: {
			dist: {
				options: {
					'style': 'compressed'
				},
				files: {
					'assets/css/main.min.css': 'assets/sass/main.scss'
				}
			}
		},
		uglify: {
			main: {
				src: 'assets/js/main.js',
				dest: 'assets/js/main.min.js'
			},
			libs: {
				src: 'assets/js/libs/**/*.js',
				dest: 'assets/js/libs.min.js'
			}
		},
		watch: {
			options: {
				livereload: true
			},
			css: {
				files: '**/*.scss',
				tasks: ['sass', 'postcss:dist', 'notify:watch'],
			},
			html: {
				files: 'html/**/*.html',
			},
			js: {
				files: 'assets/js/**/*.js',
				tasks: ['uglify', 'notify:watch'],
			}
		}
	});
	grunt.loadNpmTasks('grunt-notify');
	grunt.loadNpmTasks('grunt-postcss');
	grunt.loadNpmTasks('grunt-contrib-sass');
	grunt.loadNpmTasks('grunt-contrib-uglify');
	grunt.loadNpmTasks('grunt-contrib-watch');
};

package.json

{
  "name": "joshua-base",
  "version": "0.0.1",
  "devDependencies": {
    "autoprefixer": "^6.3.6",
    "grunt": "^0.4.5",
    "grunt-contrib-concat": "^0.5.1",
    "grunt-contrib-sass": "^0.9.2",
    "grunt-contrib-uglify": "^0.11.0",
    "grunt-contrib-watch": "^0.6.1",
    "grunt-grunticon": "^2.2.2",
    "grunt-notify": "^0.4.3",
    "grunt-postcss": "^0.7.1"
  }
}