Function flattenTransformYieldAsync

lib/internal/streams/iter/pull.js:190–226

* Flatten transform yield to Uint8Array chunks (async). * @yields {Uint8Array}

(value)

 * @yields {Uint8Array}
 */
async function* flattenTransformYieldAsync(value) {
  if (isUint8Array(value)) {
    yield value;
    return;
  }
  if (typeof value === 'string') {
    yield toUint8Array(value);
    return;
  }
  if (isAnyArrayBuffer(value)) {
    yield new Uint8Array(value);
    return;
  }
  if (ArrayBufferIsView(value)) {
    yield arrayBufferViewToUint8Array(value);
    return;
  }
  // Check for async iterable first
  if (isAsyncIterable(value)) {
    for await (const item of value) {
      yield* flattenTransformYieldAsync(item);
    }
    return;
  }
  // Must be sync Iterable<TransformYield>, no nested async iterables
  if (isSyncIterable(value)) {
    for (const item of value) {
      yield* flattenTransformYieldSync(item);
    }
    return;
  }
  throw new ERR_INVALID_ARG_TYPE(
    'value',
    ['Uint8Array', 'string', 'ArrayBuffer', 'ArrayBufferView',
     'Iterable', 'AsyncIterable'],
    value);
}

/**
 * Process transform result (sync).