Function commitToHF

functions/api/telemetry.ts:194–238

(
  token: string,
  repo: string,
  branch: string,
  filePath: string,
  content: string,
)

// ── HuggingFace Hub Commit ───────────────────────────────────────────

async function commitToHF(
  token: string,
  repo: string,
  branch: string,
  filePath: string,
  content: string,
): Promise<boolean> {
  const url = `${HF_API}/datasets/${repo}/commit/${branch}`

  // HF Hub commit API uses NDJSON (application/x-ndjson)
  // Line 1: commit header with summary
  // Line 2: file operation with base64-encoded content
  const contentBase64 = btoa(content)
  const ndjson = [
    JSON.stringify({ key: 'header', value: { summary: `[telemetry] ${filePath}` } }),
    JSON.stringify({ key: 'file', value: { content: contentBase64, path: filePath, encoding: 'base64' } }),
  ].join('\n')

  try {
    const res = await fetch(url, {
      method: 'POST',
      headers: {
        'Authorization': `Bearer ${token}`,
        'Content-Type': 'application/x-ndjson',
      },
      body: ndjson,
    })

    if (!res.ok) {
      const err = await res.text().catch(() => '')
      if (res.status === 401 || res.status === 403) {
        console.error(`[Telemetry] HF AUTH FAILED (${res.status}) — HF_TOKEN is invalid or lacks write access to "${repo}"`)
      } else if (res.status === 404) {
        console.error(`[Telemetry] HF REPO NOT FOUND (404) — "${repo}" does not exist on HuggingFace`)
      } else {
        console.error(`[Telemetry] HF commit failed (${res.status}): ${err.slice(0, 300)}`)
      }
    }

    return res.ok
  } catch (err) {
    console.error(`[Telemetry] Network error:`, err)
    return false
  }
}

// ── Helpers ──────────────────────────────────────────────────────────