Basic gruntfile

Gruntfile.js

/*jslint node: true, white: true, indent: 2 */

"use strict";

module.exports = function (grunt) {
  // Project configuration.
  grunt.initConfig({
    pkg: grunt.file.readJSON('package.json'),
    uglify: {
      dist: {
        files: {
          'js/front.min.js': ['js/front.js']
        }
      }
    },
    jshint: {
      // define the files to lint
      files: [
        'Gruntfile.js'
      , 'js/front.js'
      ],
      // configure JSHint (documented at http://www.jshint.com/docs/)
      options: {
        laxcomma: true
      }
    },
    sass: {
      dist: {
        options : {
          style : 'compressed'
        },
        files: {
          'styles/style.css': 'styles/style.scss'
        }
      }
    },
    watch: {
      js : {
        files: ['<%= jshint.files %>'],
        tasks: ['jshint', 'uglify']
      },
      sass : {
        files: ['styles/*.scss'],
        tasks: ['sass'],
        options: {
          livereload: true
        }
      }
    }
  });

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

  // the default task can be run just by typing "grunt" on the command line
  grunt.registerTask('default', ['jshint', 'uglify', 'sass']);
};