Function uploadBundles

scripts/lighthouse-bundle-and-upload.mjs:131–159

* POST the multipart form. Returns the parsed 202 response body.

(bundles)

 * POST the multipart form. Returns the parsed 202 response body.
 */
async function uploadBundles(bundles) {
  const metadata = {
    commit: process.env.GITHUB_SHA ?? 'unknown',
    branch: process.env.GITHUB_REF_NAME ?? 'unknown',
    triggeredBy: 'github-actions',
    workflowRunUrl:
      process.env.GITHUB_SERVER_URL && process.env.GITHUB_REPOSITORY && process.env.GITHUB_RUN_ID
        ? `${process.env.GITHUB_SERVER_URL}/${process.env.GITHUB_REPOSITORY}/actions/runs/${process.env.GITHUB_RUN_ID}`
        : undefined,
    cells: bundles.map(b => b.cell),
  };

  const form = new FormData();
  form.append('metadata', JSON.stringify(metadata));
  for (const b of bundles) {
    const buf = await readFile(b.tarPath);
    form.append(b.fieldName, new Blob([buf], { type: 'application/gzip' }), path.basename(b.tarPath));
  }

  const res = await fetch(`${LAB_URL}/api/builds`, {
    method: 'POST',
    headers: { Authorization: `Bearer ${TOKEN}` },
    body: form,
  });
  if (!res.ok) {
    throw new Error(`Upload failed: ${res.status} ${await res.text()}`);
  }
  return res.json();
}

async function formatSize(filePath) {
  const { size } = await stat(filePath);