Deferred adapter for node

adapt.js

define([
	"dojo/Deferred"
], function(Deferred){
	var slice = Array.prototype.slice;
	return function adapt(func){
		var args = slice.call(arguments, 1),
			def = new Deferred;

		args.push(function(err, value){
			if(err){
				def.reject(err);
			}else{
				def.resolve(value);
			}
		});
		func.apply(null, args);

		return def.promise;
	};
});

test.js

require([
	"adapt",
	"dojo/node!fs"
], function(adapt, fs){
	var readdir = adapt.bind(null, fs.readdir);
	readdir("./foo").then(function(files){
		console.log(files);
	}, function(err){
		console.error(err);
	});
});