cjs-bundler.js

exports.bundle = function(modules) {
    var moduleDefs = [];
    
    for (var i = 0; i < modules.length; i++) {
        var baseID = modules[i].id;
        var path = modules[i].path;
        
        var requires = [];
        var text = FILE.read(path).replace(/require\s*\(\s*["']([\/\.\w-]+)["']\s*\)/g, function(match, requireID) {
            if (/^\./.test(requireID)) {
                var newID = FILE.resolve(baseID, requireID)
                print("replacing " + requireID + " in " + baseID + " with " + newID);
                requireID = newID;
            }
            requires.push(requireID);
            return "require("+JSON.stringify(requireID)+")";
        });
        
        moduleDefs.push("require.def("+JSON.stringify(baseID)+",{factory:function(require,exports,module){" + text + "\n//*/\n},requires:"+JSON.stringify(requires)+"})");
    }
    
    return "var require = (" + req + ")()\n" + moduleDefs.join(";\n") + ";";
}

var req = function() {
    var modules = {};
    var factories = {};
    var r = function(id) {
        if (!modules[id]) {
            modules[id] = {};
            factories[id](r, modules[id], { id : id });
        }
        return modules[id];
    };
    r.def = function(id, params) {
        factories[id] = params.factory;
    };
    return r;
}

Jakefile.js

var JAKE = require("jake");
var FILE = require("file");

var narcissusPath = FILE.path(require("packages").catalog.narcissus.directory);

JAKE.task("default", function() {
    var script = exports.bundle([
        { id : "narcissus/defs", path : narcissusPath.join("lib", "narcissus", "defs.js") },
        { id : "narcissus/parse", path : narcissusPath.join("lib", "narcissus", "parse.js") },
        { id : "narcissus/format", path : narcissusPath.join("lib", "narcissus", "format.js") }
    ]);
    
    FILE.write("narcissus.js", "xrequire = (function() {\n" + script + ";\nreturn require;\n})();");
});