Function readDisplacedDocument

packages/storage/src/memory-bundle-io.ts:454–473

(
  transaction: DirectoryBinding,
  name: MemoryDocumentName,
)

}

async function readDisplacedDocument(
  transaction: DirectoryBinding,
  name: MemoryDocumentName,
): Promise<MemoryDocumentSnapshot | undefined> {
  try {
    const bytes = await readExactFile(
      displacedPath(transaction.path, name),
      `${displayName(name)} displaced state`,
      DOCUMENT_SCAN_MAX_BYTES,
    );
    await assertDirectoryBinding(transaction);
    return snapshotForBytes(bytes);
  } catch (error) {
    if (isNodeError(error, 'ENOENT')) {
      await assertDirectoryBinding(transaction);
      return undefined;
    }
    throw error;
  }
}

async function restoreUnexpectedDisplaced(
  directory: DirectoryBinding,