bench.ts

const files = [...Deno.readDirSync("./benchmark")].filter(isBench);

function isBench(file: Deno.DirEntry) {
  return file.name.endsWith("_bench.ts");
}

async function runBench(name: string) {
  const path = await Deno.realPath("./benchmark/" + name);

  const now = Date.now();
  const process = Deno.run(
    {
      cmd: [
        "deno",
        "run",
        "--allow-net",
        "--allow-write",
        "--allow-read",
        path,
      ],
    },
  );

  const status = await process.status();
  const time = Date.now() - now;
  if (!status.success) {
    throw new Error(`Failed ${path} - ${status}`);
  }

  return time;
}

for (const file of files) {
  await runBench(file.name).then(() => {
    console.log(`${file.name} - OK`);
  }).catch((err) => {
    console.log(`${file.name} - Error - ${err.message}`);
  });
}