Function writeBatchAsyncFallback

lib/internal/streams/iter/pull.js:1014–1028

(batch, startIndex)

  // Async fallback for writeBatch when sync write fails partway through.
  // Continues writing from batch[startIndex] using async write().
  async function writeBatchAsyncFallback(batch, startIndex) {
    for (let i = startIndex; i < batch.length; i++) {
      const chunk = batch[i];
      if (hasWriteSync && writer.writeSync(chunk)) {
        // Sync retry succeeded
      } else {
        const result = writer.write(
          chunk, signal ? { __proto__: null, signal } : undefined);
        if (result !== undefined) {
          await result;
        }
      }
      totalBytes += TypedArrayPrototypeGetByteLength(chunk);
    }
  }

  // Write a batch using try-fallback: sync first, async if needed.
  // Returns undefined on sync success, or a Promise when async fallback