Gruntfile.js

module.exports = function (grunt) {
    var pkg = grunt.file.readJSON("package.json");
    grunt.initConfig({
        pkgName: pkg.name,
        name: pkg.name,
        watch: {
            autoDeployUpdate: {
                "files": [ "./src/**/*" ],
                "tasks": [ "copy:out", "compress", "copy:deployment", "copy:mpks" ],
                options: {
                    debounceDelay: 250,
                    livereload: true
                }
            }
        },

        compress: {
            out: {
                options: {
                    archive: "./dist/" + pkg.version + "/" + pkg.name + ".mpk",
                    mode: "zip"
                },
                files: [ {
                    expand: true,
                    date: new Date(),
                    store: false,
                    cwd: "./out",
                    src: [ "**/*" ]
                } ]
            }
        },

        copy: {
            out: {
                files: [
                    { dest: "./out", cwd: "./src/", src: [ "**/*", "!**/*.psd" ], expand: true }
                ]
            },
            deployment: {
                files: [
                    { dest: "./test/Mx5.16.1/deployment/web/widgets", cwd: "./out/", src: [ "**/*" ], expand: true },
                    { dest: "./test/Mx5.21/deployment/web/widgets", cwd: "./out/", src: [ "**/*" ], expand: true },
                    { dest: "./test/Mx7.0.2/deployment/web/widgets", cwd: "./out/", src: [ "**/*" ], expand: true }
                ]
            },
            mpks: {
                files: [
                    { dest: "./test/Mx5.16.1/widgets", cwd: "./dist/" + pkg.version + "/", src: [ pkg.name + ".mpk" ], expand: true },
                    { dest: "./test/Mx5.21/widgets", cwd: "./dist/" + pkg.version + "/", src: [ pkg.name + ".mpk" ], expand: true },
                    { dest: "./test/Mx7.0.2/widgets", cwd: "./dist/" + pkg.version + "/", src: [ pkg.name + ".mpk" ], expand: true }
                ]
            }
        },

        clean: {
            build: [
                "./dist/" + pkg.version + "/" + pkg.name + "/*",
                "./test/Mx5.16.1/deployment/web/widgets/" + pkg.name + "/*",
                "./test/Mx5.16.1/widgets/" + pkg.name + ".mpk",
                "./test/Mx5.21/deployment/web/widgets/" + pkg.name + "/*",
                "./test/Mx5.21/widgets/" + pkg.name + ".mpk",
                "./test/Mx7.0.2/deployment/web/widgets/" + pkg.name + "/*",
                "./test/Mx7.0.2/widgets/" + pkg.name + ".mpk"
            ],
            out: "./out/**/*"
        },
        file_append: {
            fixMendix: {
                files: [
                    {
                        append: '\n require(["<%=pkgName%>/widget/<%=name%>"]);',
                        input: "src/<%=pkgName%>/widget/<%=name%>.js",
                        output: "out/<%=pkgName%>/widget/<%=name%>.js"
                    }
                ]
            }
        },
        uglify: {
            distribute: {
                options: {
                    sourceMap: true,
                    sourceMapIncludeSources: true,
                    banner: "// " + pkg.name + " V" + pkg.version + ' Date : <%= grunt.template.today("isoDateTime") %>  Copyright: " + pkg.copyright'

                },
                files: {
                    // Mendix quirck, add Fix at and end of fine.
                    "out/<%=pkgName%>/widget/<%=name%>.js": [ "src/<%=pkgName%>/widget/<%=name%>.js" ]
                }
            }
        }
    });

    grunt.loadNpmTasks("grunt-contrib-compress");
    grunt.loadNpmTasks("grunt-contrib-clean");
    grunt.loadNpmTasks("grunt-contrib-watch");
    grunt.loadNpmTasks("grunt-contrib-copy");
    grunt.loadNpmTasks("grunt-contrib-uglify");
    grunt.loadNpmTasks("grunt-file-append");

    grunt.registerTask("default", [ "clean build", "watch" ]);
    grunt.registerTask("distribute", [ "clean:out", "copy:out", "uglify", "compress", "copy:mpks", "copy:mpks", "copy:deployment" ]);
    grunt.registerTask(
        "clean build",
        "Compiles all the assets and copies the files to the build directory.",
        [ "clean", "copy:out", "compress", "copy:mpks" ]
    );
    grunt.registerTask("build", [ "clean build" ]);
};