Function transform

web/app.js:74–84

(chunk, controller)

  let loaded = 0;
  return stream.pipeThrough(new TransformStream({
    transform(chunk, controller) {
      loaded += chunk.byteLength;
      if (total > 0) {
        bar.value = loaded / total;
        const pct = Math.min(100, Math.floor(100 * loaded / total));
        setStatus(`Loading WebAssembly… ${pct}%${ofMB}`);
      } else {
        setStatus(`Loading WebAssembly…`);
      }
      controller.enqueue(chunk);
    },
  }));
}