const stream1 = fs.createReadStream("somefile");
const options = {
  tags: new Tag("some_name", "some_value")
}
const tx = await pipeline(stream1, createTransactionAsync(options, arweave, jwk))
    .catch(logger.error);

await arweave.transactions.sign(tx, jwk);

// You need to recreate the stream for posting
const streams2 = fs.createReadStream("somefile");

await pipeline(streams2, uploadTransactionAsync(tx, arweave, true))
  .catch(logger.error);