Files
habitica/website/common/script/fns/randomVal.js

20 lines
529 B
JavaScript

import _ from 'lodash';
// Get a random property from an object
// returns random property (the value)
function randomGenerator (user, seed, providedRandom) {
return providedRandom ? providedRandom(user, seed) : Math.random();
}
module.exports = function randomVal (user, obj, options = {}) {
let array = options.key ? _.keys(obj) : _.values(obj);
let rand = randomGenerator(user, options.seed, options.randomFunc);
array.sort();
let randomIndex = Math.floor(rand * array.length);
return array[randomIndex];
};