The package could also be downloaded directly from: https://registry.npmjs.org/monad-js/-/monad-js-1.0.6.tgz Reason for existence of monads is to be able to compose ...
In library used ES5 (Array.map, Array.reduce, Array.some, Array.isArray, Object.getOwnPropertyNames), ES6 (Map, Array.from, Object.assign, Object.keys, Object.is ...