generator-mupal/app/templates/_Gruntfile.js

Download Drupal and some recommended modules

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

    require('time-grunt')(grunt);

    var svgo = require('imagemin-svgo');

    // Project configuration
    grunt.initConfig({
        // Metadata
        pkg: grunt.file.readJSON('package.json'),
        banner: '/*! <%= pkg.name %> - v<%= pkg.version %> - ' +
        '<%= grunt.template.today("yyyy-mm-dd") %>\n' +
        '<%= pkg.homepage ? "* " + pkg.homepage + "\\n" : "" %>' +
        '* Copyright (c) <%= grunt.template.today("yyyy") %> <%= pkg.author.name %>;' +
        ' Licensed <%= props.license %> */\n',
        // Task configuration
        concat: {
            options: {
                banner: '<%= banner %>',
                stripBanners: true
            }
        },
        uglify: {
            options: {
                banner: '<%= banner %>'
            }
        },
        jshint: {
            options: {
                node: true,
                curly: true,
                eqeqeq: true,
                immed: true,
                latedef: true,
                newcap: true,
                noarg: true,
                sub: true,
                undef: true,
                unused: true,
                eqnull: true,
                globals: { jQuery: true, angular: true, window: true, navigator: true },
                boss: true
            },
            gruntfile: {
                src: 'Gruntfile.js'
            },
            theme: {
                src: [
                    "<%= pkg.theme %>/js/**/*.js",
                    "!<%= pkg.theme %>/js/vendor/**/*",
                    "!<%= pkg.theme %>/js/**/*.min.js"
                ]
            }
        },
        less: {
            options: {
                compress: true,
                cleancss: true,
                ieCompat: false
            },
            main: {
                files: {
                    "<%= pkg.theme %>/css/style.css": "<%= pkg.theme %>/less/style.less"
                }
            }
        },
        imagemin: {
            png: {
                files: [{
                    expand: true,                  // Enable dynamic expansion
                    cwd: '<%= pkg.theme %>/img/',                   // Src matches are relative to this path
                    src: ['**/*.png'],   // Actual patterns to match
                    dest: '<%= pkg.theme %>/img/' ,                 // Destination path prefix
                    ext: '.min.png'
                }]
            },
            jpg: {
                files: [{
                    expand: true,                  // Enable dynamic expansion
                    cwd: '<%= pkg.theme %>/img/',                   // Src matches are relative to this path
                    src: ['**/*.jpg'],   // Actual patterns to match
                    dest: '<%= pkg.theme %>/img/' ,                 // Destination path prefix
                    ext: '.min.jpg'
                }]
            },
            gif: {
                files: [{
                    expand: true,                  // Enable dynamic expansion
                    cwd: '<%= pkg.theme %>/img/',                   // Src matches are relative to this path
                    src: ['**/*.gif'],   // Actual patterns to match
                    dest: '<%= pkg.theme %>/img/' ,                 // Destination path prefix
                    ext: '.min.gif'
                }]
            },
            svg: {
                options: {
                    use: [svgo()]
                },
                files: [{
                    expand: true,                  // Enable dynamic expansion
                    cwd: '<%= pkg.theme %>/img/',                   // Src matches are relative to this path
                    src: ['**/*.svg'],   // Actual patterns to match
                    dest: '<%= pkg.theme %>/img/' ,                 // Destination path prefix
                    ext: '.min.svg'
                }]
            }
        },
        watch: {
            options: {
                interrupt: true,
                atBegin: true
            },
            gruntfile: {
                files: '<%= jshint.gruntfile.src %>',
                tasks: ['jshint:gruntfile']
            },
            js: {
                files: '<%= jshint.theme.src %>',
                tasks: ['jshint:theme']
            },
            less: {
                files: '<%= pkg.theme %>/less/**/*.less',
                tasks: ['less']
            },
            imagemin: {
                files: [
                    '<%= pkg.theme %>/img/**/*.png',
                    '<%= pkg.theme %>/img/**/*.jpg',
                    '<%= pkg.theme %>/img/**/*.gif',
                    '<%= pkg.theme %>/img/**/*.svg',
                    '!<%= pkg.theme %>/img/**/*.min.*'
                ],
                tasks: ['imagemin']
            }
        }
    });

    // These plugins provide necessary tasks
    grunt.loadNpmTasks('grunt-contrib-concat');
    grunt.loadNpmTasks('grunt-contrib-uglify');
    grunt.loadNpmTasks('grunt-contrib-less');
    grunt.loadNpmTasks('grunt-contrib-jshint');
    grunt.loadNpmTasks('grunt-contrib-watch');
    grunt.loadNpmTasks('grunt-contrib-imagemin');
    grunt.loadNpmTasks('grunt-newer');

    // Default task
    grunt.registerTask('default', ['jshint', 'newer:imagemin', 'less']);
};