25 lines
608 B
JavaScript
25 lines
608 B
JavaScript
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// get a random int between min and max (inclusive)
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export const randomInt = (min, max) => Math.floor(Math.random() * (max - min + 1)) + min
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// get one random item from the given array
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export const choice = (array) => array[randomInt(0, array.length - 1)]
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// return a shuffled (shallow) copy of the given array
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export const shuffle = (array) => {
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let arr = array.slice()
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for (let i = 0; i <= arr.length - 2; i++)
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{
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const j = randomInt(i, arr.length -1);
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const tmp = arr[i];
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arr[i] = arr[j];
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arr[j] = tmp;
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}
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return arr
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}
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export default {
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randomInt,
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choice,
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shuffle,
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}
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