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Chunk an Array Into Batches

Split an array into fixed-size batches for bulk inserts, pagination, or parallel processing without mutating the original input.

JavascriptData Integrity

Code

snippet
export function chunk(items, size) {
  if (!Number.isInteger(size) || size <= 0) {
    throw new RangeError("size must be a positive integer");
  }
  const batches = [];
  for (let i = 0; i < items.length; i += size) {
    batches.push(items.slice(i, i + size));
  }
  return batches;
}

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