Function upper

benchmark/fs/bench-filehandle-pull-vs-webstream.js:180–187

(chunks)

  try {
    // Stateless transform: uppercase each chunk in the batch
    const upper = (chunks) => {
      if (chunks === null) return null;
      const out = new Array(chunks.length);
      for (let j = 0; j < chunks.length; j++) {
        out[j] = uppercaseChunk(chunks[j]);
      }
      return out;
    };

    const readable = fh.pull(upper, compressFactory());