Files
habitica/website/common/script/libs/randomVal.js
2019-10-08 16:57:10 +02:00

20 lines
485 B
JavaScript

import values from 'lodash/values';
import keys from 'lodash/keys';
export function trueRandom () {
return Math.random();
}
// Get a random property from an object
// returns random property (the value)
export default function randomVal (obj, options = {}) {
const array = options.key ? keys(obj) : values(obj);
const random = options.predictableRandom || trueRandom();
array.sort();
const randomIndex = Math.floor(random * array.length);
return array[randomIndex];
}