compose

compose.js

const R = require('ramda');

const giveProp = (propName, prop, obj) => Object.assign({}, obj, {[propName]: prop});
const givePropCurry = R.curry(giveProp);

const giveName = givePropCurry('name');
const giveJob = givePropCurry('job');
const giveHero = givePropCurry('hero');

// Example 1: f(g(x))
const makeRen = obj => giveHero(
  'Darth Vader',
  giveName('Kylo')
);

// Example 2: using Ramda.compose
const makeRenCompose = R.compose(giveHero('Darth Vader'), giveName('Kylo'));