Method getFileHandleIfExists

web/src/opfs_store.ts:484–498

(
    directory: OPFSDirectoryHandle,
    filename: string,
    create: boolean,
  )

  }

  private async getFileHandleIfExists(
    directory: OPFSDirectoryHandle,
    filename: string,
    create: boolean,
  ): Promise<OPFSFileHandle | undefined> {
    try {
      return await directory.getFileHandle(filename, { create });
    } catch (err) {
      if (OPFSStore.isNotFoundError(err)) {
        // NotFound maps to cache miss semantics
        return undefined;
      }
      throw err;
    }
  }

  private async removeEntryIfExists(
    directory: OPFSDirectoryHandle,