Files
openstapps/packages/collection-utils/src/shuffle.ts
2023-05-31 14:01:59 +02:00

29 lines
871 B
TypeScript

/*
* Copyright (C) 2022 StApps
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <https://www.gnu.org/licenses/>.
*/
/**
* Shuffles an array
*/
export function shuffle<T>(array: T[]): T[] {
const copy = [...array];
const out = [];
while (copy.length > 0) {
out.push(copy.splice(Math.floor(Math.random() * copy.length), 1)[0]);
}
return out;
}