JulianKnodt

const f = require('faker');

let dup = (a) => a.map((el) => Object.assign({}, el));

// https://stackoverflow.com/questions/6274339/how-can-i-shuffle-an-array
const shuffle = (a) => {
    for (let i = a.length - 1; i > 0; i--) {
        const j = Math.floor(Math.random() * (i + 1));
        [a[i], a[j]] = [a[j], a[i]];
    }