Compatibility shim for modules using Narwhal's file module

file.js

var map = {
    base: "basename",
    changeWorkingDirectory: "chdir",
    workingDirectory: "cwd",
    directory: "dirname",
    makeDirectory: "mkdir",
    makeTree: "mkdirs",
    lastModified: "mtime",
    removeDirectory: "rmdir",
    removeTree: "rmtree",
    link: "symlink"
};

var fs = require("fs");

var key, name;

for (key in fs) {
    name = map[key] || key;
    exports[name] = fs[key];
}

for (key in fs.Path.prototype) {
    name = map[key] || key;
    fs.Path.prototype[name] = fs.Path.prototype[key];
}

exports.cwdPath = function() {
    return new exports.Path(exports.cwd());
};