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Editing: shuffle-array.ts
export function shuffleArray(items: any[], keepFirst = false) { let first = keepFirst ? items.shift() : null; let currentIndex = items.length, temporaryValue, randomIndex; while (0 !== currentIndex) { randomIndex = Math.floor(Math.random() * currentIndex); currentIndex -= 1; temporaryValue = items[currentIndex]; items[currentIndex] = items[randomIndex]; items[randomIndex] = temporaryValue; } if (first) { items.unshift(first); } return [...items]; }
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