gruntfile for chrome crx extensions with livereload

'use strict';
module.exports = function(grunt)
{
    grunt.initConfig({
        // validate this file
        jshint: {
            options: {
                jshintrc: '.jshintrc'
            },
            gruntfile: [
                'gruntfile.js'
            ]
        },
        // minify css!
        cssmin: {
            dist: {
                files: {
                    'src/css/style.min.css': [
                        'src/css/*.css',
                        '!src/css/style.min.css'
                    ]
                }
            }
        },
        open: {
            // We open this url to reload the plugin in chrome with 'watch'
            // Requires https://chrome.google.com/webstore/detail/extensions-reloader/fimgfedafeadlieiabdeeaodndnlbhid
            // Note, I am playing with Chrome Canary here, remove or change for youre own browser ;)
            refresh : {
                path: 'http://reload.extensions/',
                app: 'Google Chrome Canary'
            }
        },
        // Used for dev, auto updates, etc.
        watch: {
            gruntfile: {
                files: '<%= jshint.gruntfile %>',
                tasks: ['jshint'],
                options: {
                    livereload: true,
                },
            },
            livereload: {
                options: { livereload: true },
                // (Optionnal) Uncomment task line below to run Extension Reloader on file modification
                // tasks: ['open:refresh'],
                // livereload watches only the specified files
                files: [
                    'src/**/*.css',
                    'src/**/*.js',
                    'src/**/*.html',
                    'src/**/*.png',
                    'src/**/*.jpg'
                ],
            }
        },
        // copy all but source files to prepare for crx release
        copy: {
            dist: {
                files: [{
                    expand: true,
                    src: [
                    'src/**',
                    '!src/**/*.psd',
                    '!src/**/*.map'
                    ],
                    dest: 'temp/'
                }]
            }
        },
        // more details on crx here: https://npmjs.org/package/grunt-crx
        crx: {
            dist: {
                "src": "src/",
                "dest": "dist/",
            }
        }
    });

    // Load tasks
    grunt.loadNpmTasks('grunt-contrib-jshint');
    grunt.loadNpmTasks('grunt-contrib-watch');
    grunt.loadNpmTasks('grunt-contrib-copy');
    grunt.loadNpmTasks('grunt-open');
    grunt.loadNpmTasks('grunt-crx');

    // Register tasks
    grunt.registerTask('default', [
        'watch'
    ]);
    grunt.registerTask('dev', [
        'watch'
    ]);
    grunt.registerTask('release', [
        'copy:dist',
        'crx',
        'clean:crx'
    ]);
};