grunt.js for XXX

grunt.js

module.exports = function(grunt) {
    var now = String(Date.now());

    var jsResult = "<%= dirs.js %>/target/" + now + ".js";
    var cssResult = "<%= dirs.css %>/target/" + now + ".css";
    var jsGzipped = jsResult + ".gz";
    var cssGzipped = cssResult + ".gz";

    var compressFiles = {};
    compressFiles[jsGzipped] = jsResult;
    compressFiles[cssGzipped] = cssResult;

    grunt.initConfig({
        dirs: {
            js: "public/javascripts",
            css: "public/stylesheets"
        },
        watch: {
           scripts: {
              files: ["<%= dirs.js %>/*.js", "<%= dirs.css %>/*.css"],
              tasks: 'default'
           }
        },
        clean: ["<%= dirs.js %>/target", "<%= dirs.css %>/target"],
        concat: {
            js: {
                src: ["<%= dirs.js %>/jquery-1.8.1.js", "<%= dirs.js %>/bootstrap.js"],
                dest: "<%= dirs.js %>/target/all.js"
            },
            css: {
                src: [
                    "<%= dirs.css %>/bootstrap.css",
                    "<%= dirs.css %>/bootstrap-responsive.css",
                    "<%= dirs.css %>/main.css",
                    "<%= dirs.css %>/plus.css"
                ],
                dest: "<%= dirs.css %>/target/all.css"
            }
        },
        min: {
            js: {
                src: ["<%= dirs.js %>/target/all.js"],
                dest: jsResult
            }
        },
        cssmin: {
            css: {
                src: ["<%= dirs.css %>/target/all.css"],
                dest: cssResult
            }
        },
        compress: {
            gzip: {
                options: {
                    mode: "gzip"
                },
                files: compressFiles
            }
        },
        replace: {
            tmpl: {
                src: ["views-src/main.scala.html"],
                dest: "app/views",
                variables: {
                    timestamp: now
                }
            },
            conf: {
                src: ["conf-src/application.conf"],
                dest: "conf",
                variables: {
                    timestamp: now
                }
            }
        }
    });

    grunt.loadNpmTasks('grunt-contrib');
    grunt.loadNpmTasks('grunt-css');
    grunt.loadNpmTasks('grunt-replace');
    grunt.registerTask('default', 'clean concat min cssmin compress replace');
};