(array: T[], rng: () => number)
| 13 | } |
| 14 | |
| 15 | export function pickRandom<T>(array: T[], rng: () => number): T { |
| 16 | if (!array.length) throw new Error('Cannot pick from empty array') |
| 17 | const index = Math.floor(rng() * array.length) |
| 18 | return array[index]! |
| 19 | } |
| 20 | |
| 21 | export function shuffle<T>(array: T[], rng: () => number): T[] { |
| 22 | const arr = array.slice() |