module.exports = function (grunt) {

        /*
            Grunt installation:
            -------------------
                npm install -g grunt-cli
                npm install -g grunt-init
                npm init (creates a `package.json` file)

            Project Dependencies:
            ---------------------
                npm install grunt --save-dev
                npm install grunt-contrib-watch --save-dev
                npm install grunt-contrib-jshint --save-dev
                npm install grunt-contrib-uglify --save-dev
                npm install grunt-contrib-requirejs --save-dev
                npm install grunt-contrib-sass --save-dev
                npm install grunt-contrib-imagemin --save-dev
                npm install grunt-contrib-htmlmin --save-dev
                npm install grunt-contrib-connect --save-dev
                npm install grunt-contrib-jasmine --save-dev
                npm install grunt-template-jasmine-requirejs --save-dev
        */

        // Project configuration.
        grunt.initConfig({

            // Store your Package file so you can reference its specific data whenever necessary
            pkg: grunt.file.readJSON('package.json'),

            // Used to connect to a locally running web server (so Jasmine can test against a DOM)
            connect: {
                test: {
                    port: 8000
                }
            },

            jasmine: {
                /*
                    Note:
                    In case there is a /release/ directory found, we don't want to run tests on that 
                    so we use the ! (bang) operator to ignore the specified directory
                */
                src: ['app/**/*.js', '!app/release/**'],
                options: {
                    host: 'http://127.0.0.1:8000/',
                    specs: 'specs/**/*Spec.js',
                    helpers: ['specs/helpers/*Helper.js', 'specs/helpers/sinon.js'],
                    template: require('grunt-template-jasmine-requirejs'),
                    templateOptions: {
                        requireConfig: {
                            baseUrl: './app/',
                            mainConfigFile: './app/main.js'
                        }
                    }
                }
            },

            jshint: {
                /*
                    Note:
                    In case there is a /release/ directory found, we don't want to lint that 
                    so we use the ! (bang) operator to ignore the specified directory
                */
                files: ['Gruntfile.js', 'app/**/*.js', '!app/release/**', 'modules/**/*.js', 'specs/**/*Spec.js'],
                options: {
                    curly:   true,
                    eqeqeq:  true,
                    immed:   true,
                    latedef: true,
                    newcap:  true,
                    noarg:   true,
                    sub:     true,
                    undef:   true,
                    boss:    true,
                    eqnull:  true,
                    browser: true,

                    globals: {
                        // AMD
                        module:     true,
                        require:    true,
                        requirejs:  true,
                        define:     true,

                        // Environments
                        console:    true,

                        // General Purpose Libraries
                        $:          true,
                        jQuery:     true,

                        // Testing
                        sinon:      true,
                        describe:   true,
                        it:         true,
                        expect:     true,
                        beforeEach: true,
                        afterEach:  true
                    }
                }
            },

            requirejs: {
                compile: {
                    options: {
                        baseUrl: './app',
                        mainConfigFile: './app/main.js',
                        dir: './app/release/',
                        fileExclusionRegExp: /^\.|node_modules|Gruntfile|\.md|package.json/,
                        // optimize: 'none',
                        modules: [
                            {
                                name: 'main'
                                // include: ['module'],
                                // exclude: ['module']
                            }
                        ]
                    }
                }
            },

            sass: {
                dist: {
                    options: {
                        style: 'compressed',
                        require: ['./assets/styles/sass/helpers/url64.rb']
                    },
                    expand: true,
                    cwd: './app/styles/sass/',
                    src: ['*.scss'],
                    dest: './app/styles/',
                    ext: '.css'
                },
                dev: {
                    options: {
                        style: 'expanded',
                        debugInfo: true,
                        lineNumbers: true,
                        require: ['./app/styles/sass/helpers/url64.rb']
                    },
                    expand: true,
                    cwd: './app/styles/sass/',
                    src: ['*.scss'],
                    dest: './app/styles/',
                    ext: '.css'
                }
            },

            // `optimizationLevel` is only applied to PNG files (not JPG)
            imagemin: {
                png: {
                    options: {
                        optimizationLevel: 7
                    },
                    files: [
                        {
                            expand: true,
                            cwd: './app/images/',
                            src: ['**/*.png'],
                            dest: './app/images/compressed/',
                            ext: '.png'
                        }
                    ]
                },
                jpg: {
                    options: {
                        progressive: true
                    },
                    files: [
                        {
                            expand: true,
                            cwd: './app/images/',
                            src: ['**/*.jpg'],
                            dest: './app/images/compressed/',
                            ext: '.jpg'
                        }
                    ]
                }
            },

            htmlmin: {
                dist: {
                    options: {
                        removeComments: true,
                        collapseWhitespace: true,
                        removeEmptyAttributes: true,
                        removeCommentsFromCDATA: true,
                        removeRedundantAttributes: true,
                        collapseBooleanAttributes: true
                    },
                    files: {
                        // Destination : Source
                        './index-min.html': './index.html'
                    }
                }
            },

            // Run: `grunt watch` from command line for this section to take effect
            watch: {
                files: ['<%= jshint.files %>', '<%= jasmine.options.specs %>', '<%= sass.dev.src %>'],
                tasks: 'default'
            }

        });

        // Load NPM Tasks
        grunt.loadNpmTasks('grunt-contrib-watch');
        grunt.loadNpmTasks('grunt-contrib-jshint');
        grunt.loadNpmTasks('grunt-contrib-uglify');
        grunt.loadNpmTasks('grunt-contrib-requirejs');
        grunt.loadNpmTasks('grunt-contrib-sass');
        grunt.loadNpmTasks('grunt-contrib-imagemin');
        grunt.loadNpmTasks('grunt-contrib-htmlmin');
        grunt.loadNpmTasks('grunt-contrib-connect');
        grunt.loadNpmTasks('grunt-contrib-jasmine');

        // Default Task
        grunt.registerTask('default', ['jshint', 'connect', 'jasmine', 'sass:dev']);

        // Unit Testing Task
        grunt.registerTask('test', ['connect', 'jasmine']);

        // Release Task
        grunt.registerTask('release', ['jshint', 'jasmine', 'requirejs', 'sass:dist', 'imagemin', 'htmlmin']);

    };

npm install grunt --save-dev
npm install grunt-contrib-watch --save-dev
npm install grunt-contrib-jshint --save-dev
npm install grunt-contrib-uglify --save-dev
npm install grunt-contrib-requirejs --save-dev
npm install grunt-contrib-sass --save-dev
npm install grunt-contrib-imagemin --save-dev
npm install grunt-contrib-htmlmin --save-dev
npm install grunt-contrib-connect --save-dev
npm install grunt-contrib-jasmine --save-dev
npm install grunt-template-jasmine-requirejs --save-dev

http://integralist.co.uk/Grunt-Boilerplate.html

Copypasta boilerplate for command prompt node install

Grunt boilerplate

JavaScript