milestones.js

Do this:

npm install -g nodeunit
node tests.js

Installation

bower install milestones.js

Usage

let milestones = new Milestones();
milestones.register('m1', Promise.resolve(42));
milestones.register('m2', Promise.resolve(43));
milestones.when('m1', 'm2').then((values) => {
  test.equal(values[0], 42, 'm1 value is correct');
  test.equal(values[1], 43, 'm2 value is correct');
  test.done();
});