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/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
/**
* 配列をシャッフル (破壊的)
*/
export function shuffle<T extends unknown[]>(array: T): T {
let currentIndex = array.length;
let randomIndex: number;
// While there remain elements to shuffle.
while (currentIndex !== 0) {
// Pick a remaining element.
randomIndex = Math.floor(Math.random() * currentIndex);
currentIndex--;
// And swap it with the current element.
[array[currentIndex], array[randomIndex]] = [
array[randomIndex], array[currentIndex]];
}
return array;
}
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