gruntfile.js

var path = require('path');

module.exports = function (grunt) {
  'use strict';

  grunt.loadNpmTasks('grunt-contrib-less');
  grunt.loadNpmTasks('grunt-contrib-watch');
  grunt.loadNpmTasks('grunt-contrib-connect');
  grunt.loadNpmTasks('grunt-newer');
  grunt.loadNpmTasks('grunt-bumpup');
  grunt.loadNpmTasks('grunt-jslint');

  // Do grunt-related things in here
  grunt.initConfig({
    pkg: grunt.file.readJSON('package.json'),
    less: {
      dev: {
        options: {
          paths: ['css'],
          compress: false,
          ieCompat: true,
        },
        files: {
          'assets/css/styles.css': 'assets/less/colors.less'
        }
      },
      prod: {
        options: {
          paths: ['css'],
          compress: true,
          ieCompat: true,
        },
        files: {
          'assets/css/styles.min.css': 'assets/less/styles.less'
        }
      }
    },
    jslint: { // configure the task
      // lint your project's server code
      server: {
        src: [ // some example files
          'assets/js/scripts.js'
        ],
        options: {
          edition: 'latest', // specify an edition of jslint or use 'dir/mycustom-jslint.js' for own path
          errorsOnly: true, // only display errors
          failOnError: false // defaults to true
        }
      }
    },
    watch: {
      options: {livereload: true},
      less: {
        files: ['assets/**/*.less'],
        tasks: ['newer:less:dev'],
      },
      scripts: {
        files: ['**/*.js', '*.html'],
        tasks: ['jslint']
      }
    },
    bumpup: {
      file: 'package.json'
    },
    connect: {
      server: {
        options: {
          port: 9005,
          base: '',
          hostname: '*',
          livereload: true
        }
      }
    }
  });

  grunt.task.registerTask('default', 'jslint');
  grunt.task.registerTask('default', ['connect', 'watch']);

};