tournament-pairings/dist/Shuffle.js

Functions to generate pairings for tournaments

export function shuffle(arr) {
    const a = [...arr];
    for (let i = a.length - 1; i > 0; i--) {
        const z = Math.floor(Math.random() * (i + 1));
        [a[i], a[z]] = [a[z], a[i]];
    }
    return a;
}
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