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dlebedynskyi/get_nested.js

Created April 13, 2017 13:55
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get deep nested object prop. functional way.
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get_nested.js
// https://medium.com/javascript-inside/safely-accessing-deeply-nested-values-in-javascript-99bf72a0855a
const idx = p => o =>
p.reduce((xs, x) =>
(xs && xs[x]) ? xs[x] : null, o)
const getUserComments = idx(['posts', 0, 'comments'])
const user = {}
console.log(getUserComments(user))
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