Function isUint8ArrayBatch

lib/internal/streams/iter/from.js:178–191

* Check if value is already a Uint8Array[] batch (fast path). * @returns {boolean}

(value)

 * @returns {boolean}
 */
function isUint8ArrayBatch(value) {
  if (!ArrayIsArray(value)) return false;
  const len = value.length;
  if (len === 0) return true;
  // Fast path: single-element batch (most common from transforms)
  if (len === 1) return isUint8Array(value[0]);
  // Check first and last before iterating all elements
  if (!isUint8Array(value[0]) || !isUint8Array(value[len - 1])) return false;
  if (len === 2) return true;
  for (let i = 1; i < len - 1; i++) {
    if (!isUint8Array(value[i])) return false;
  }
  return true;
}

function* yieldBoundedBatch(batch) {
  if (batch.length === 0) {