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pSapien/getRandomSamplesByCount.ts

Created July 4, 2024 04:38
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Get random samples from an array by the number of count
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getRandomSamplesByCount.ts
function getRandomSamplesByCount<T>(arr: T[], count: number) {
const randomSamples = [];
const inputCopy = arr.slice();
for (let i = 0; i < count; i++) {
if (inputCopy.length === 0) break;
const randomIndex = Math.floor(Math.random() * inputCopy.length);
const [randomSample] = inputCopy.splice(randomIndex, 1)
randomSamples.push(randomSample);
}
return randomSamples;
}
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