Created
September 26, 2017 02:35
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Ramda functional exercise 3 - Get the names of the 3 youngest users
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const R = require('ramda') | |
const json = { | |
users: [ | |
{id: 3, name: "Thad", age: 36}, | |
{id: 5, name: "Lucian", age: 23}, | |
{id: 2, name: "Justine", age: 29}, | |
{id: 4, name: "Katie", age: 26}, | |
{id: 0, name: "Jerold", age: 52}, | |
{id: 1, name: "Nona", age: 33} | |
] | |
} | |
// exercise 3: get the names of the 3 youngest users | |
const usersSortedByAge = R.sortBy(R.prop('age'))(json.users) | |
const getNamesOfYongestUsers = n => R.pipe( | |
R.sortBy(R.prop('age')), | |
R.take(n), | |
R.map(R.prop('name')) | |
)(json.users) | |
console.log(getNamesOfYongestUsers(3)) |
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