Added utils dir.
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'use strict';
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function shuffle(unshuffled, limit = 10) {
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const shuffled = unshuffled;
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for (let i = shuffled.length - 1; i > 0; i -= 1) {
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const j = Math.floor(Math.random() * (i + 1));
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const temp = shuffled[i];
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shuffled[i] = shuffled[j];
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shuffled[j] = temp;
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}
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return shuffled.slice(0, limit);
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}
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module.exports = shuffle;
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