const compose = (...fns) => x => fns.reduceRight((acc, fn) => fn(acc), x);

const addPrefix = str => `prefix_${str}`;
const capitalize = str => str.charAt(0).toUpperCase() + str.slice(1);
const addSuffix = str => `${str}_suffix`;

const process = compose(addSuffix, capitalize, addPrefix);

console.log(process('data'));