onefile.js

// Copyright (c) Microsoft Corporation.  All Rights Reserved. Licensed under the MIT License. See License.txt in the project root for license information.
(function () {
    "use strict";

    var copiedToTsBuild = false;

    module.exports = function (grunt) {
        grunt.registerTask("onefile", "build a single module into a full WinJS build", function (path) {
            if (copiedToTsBuild) {
                grunt.task.run(["_buildModule:" + path]);
            } else {
                grunt.task.run(["_copyToTsBuild", "_buildModule:" + path]);
                copiedToTsBuild = true;
            }
        });

        grunt.registerTask("_buildModule", "", function (path) {
            var requirejs = grunt.config.get("requirejs");
            var merge = { requirejs: {} };
            var config = requirejs.defaults(path);
            merge.requirejs[path] = config;
            grunt.config.merge(merge);
            grunt.task.run(["requirejs:" + path]);
        });

    };
})();