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marty-wang/compose function

Created July 5, 2016 04:24
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Very small compose function
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compose function
const compose = (...fns) => (...args) => fns.reduceRight((input, fn) => fn.apply(null, [].concat(input)), args)
const combine = (...args) => args.join(" ")
const shout = (x) => x.toUpperCase()
const emphasize = (x) => `${x}!`
const yell = compose(emphasize, shout, combine)
console.log(yell("hello", "world")); // "HELLO WORLD!"
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