gruntfile.js

// -----------------------------------------------------------------------
// For a quick introduction on GruntJS.
// http://www.smashingmagazine.com/2013/10/29/get-up-running-grunt/
// -----------------------------------------------------------------------

module.exports = function(grunt) {

    // --------------------------------------------------------
    // Loading all NPM tasks (plugins) into Grunt. Without the
    // matchdep plugin this would have to be done manually.
    // --------------------------------------------------------
    require('load-grunt-tasks')(grunt);


    // --------------------------------------------------------
    // Project configuration.
    // --------------------------------------------------------
    grunt.initConfig({

        // --------------------------------------------------------
        // Variables.
        // --------------------------------------------------------
        pkg: grunt.file.readJSON('package.json'),
        sourceFolder: 'source/',
        staticFolder: 'static/',


        // --------------------------------------------------------
        // SASS compilation.
        // https://github.com/gruntjs/grunt-contrib-sass
        // --------------------------------------------------------
        sass: {
            options: {
                require: "susy",
                compass: true
            },
            build: {
                files: {
                    '<%= staticFolder %>css/style.css': '<%= sourceFolder %>scss/import.scss'
                }
            }
        },


        // --------------------------------------------------------
        // CSS minification.
        // https://github.com/gruntjs/grunt-contrib-cssmin
        // --------------------------------------------------------
        cssmin: {
            options: {
                banner: '/* <%= pkg.name %> - v<%= pkg.version %> - <%= grunt.template.today(\'yyyy-mm-dd HH:MM:ss\') %> */'
            },
            build: {
                files: {
                    '<%= staticFolder %>css/style.min.css': '<%= staticFolder %>css/style.css'
                }
            }
        },


        // --------------------------------------------------------
        // CSS auto prefix browser vendors.
        // https://github.com/nDmitry/grunt-autoprefixer
        // --------------------------------------------------------
        autoprefixer: {
            options: {
                map: true
            },
            multiple_files: {
                expand: true,
                flatten: true,
                src: '<%= staticFolder %>css/*.css',
                dest: '<%= staticFolder %>css'
            }
        },


        // --------------------------------------------------------
        // Validate JavaScript.
        // https://github.com/sindresorhus/grunt-eslint
        // --------------------------------------------------------
        eslint: {
            target: [
                '<%= sourceFolder %>js/**/*.js'
            ],
            options: {
                config: 'eslint.json',
                quiet: false
            }
        },


        // --------------------------------------------------------
        // Include dependencies and minify requirejs modules.
        // https://github.com/asciidisco/grunt-requirejs
        // --------------------------------------------------------
        requirejs: {
            compile: {
                options: {
                    almond: true,
                    baseUrl: '',
                    name: '<%= sourceFolder %>js/project/main',
                    optimize: 'uglify',
                    out: '<%= staticFolder %>js/require.min.js',
                    mainConfigFile: '<%= sourceFolder %>js/project/config/require.js'
                }
            }
        },


        // --------------------------------------------------------
        // Complexity - Calculate the cyclomatic complexity of
        // JavaScript code.
        // https://github.com/vigetlabs/grunt-complexity.
        // --------------------------------------------------------
        complexity: {
            generic: {
                src: [
                    '<%= sourceFolder %>js/**/*.js'
                ],
                exclude: [
                    '<%= sourceFolder %>js/project/config/require.js',
                    '<%= sourceFolder %>js/boilerplate/**/*.js'
                ],
                options: {
                    breakOnErrors: true,
                    errorsOnly: false,
                    cyclomatic: [5],
                    halstead: [15],
                    maintainability: 100,
                    hideComplexFunctions: false,
                    broadcast: false
                }
            }
        },


        // --------------------------------------------------------
        // Watch tasks.
        // https://github.com/gruntjs/grunt-contrib-watch
        // --------------------------------------------------------
        watch: {
            sass: {
                files: ['**/*.{scss, sass}'],
                tasks: ['compile-css']
            },
            js: {
                files: ['<%= eslint.target %>'],
                tasks: ['analyse-js']
            }
        }
    });


    // --------------------------------------------------------
    // Minify all CSS and JavaScript.
    // --------------------------------------------------------
    grunt.registerTask('compile-all', ['analyse-js', 'compile-requirejs', 'compile-css']);

    // --------------------------------------------------------
    // Complie CSS.
    // --------------------------------------------------------
    grunt.registerTask('compile-css', ['sass', 'autoprefixer', 'cssmin']);

    // --------------------------------------------------------
    // Minify RequireJS.
    // --------------------------------------------------------
    grunt.registerTask('compile-requirejs', ['requirejs']);

    // --------------------------------------------------------
    // Analyse JS.
    // --------------------------------------------------------
    grunt.registerTask('analyse-js', ['eslint', 'complexity']);

    // --------------------------------------------------------
    // The default Grunt task, this task is mandatory.
    // --------------------------------------------------------
    grunt.registerTask('default', ['compile-all']);

};