Bluebird Promise.delay for ES6 Promises

delay.js

var Promise = require("es6-promise").Promise;

module.exports = function(delay){
	return function(value) {
		return new Promise(function(resolve, reject){
			setTimeout(function(){
				resolve(value);
			}, delay)
		});
	}
}

usage.js

var delay = require("./delay");

// ...
.then(function(value){
	return doAnotherThing();
})
.then(delay(5000))
.then(function(value){
	return doThingAfterFiveSeconds(value);
})
// ...