Function getOrCreateSynthetic

benchmarks/fixtures.ts:124–143

* Get or create a synthetic PDF cached to disk.

(path: string, pageCount: number)

 * Get or create a synthetic PDF cached to disk.
 */
async function getOrCreateSynthetic(path: string, pageCount: number): Promise<Uint8Array> {
  if (existsSync(path)) {
    return loadFixture(path);
  }

  console.log(`Building synthetic ${pageCount}-page PDF...`);
  const start = performance.now();

  const bytes = await buildSyntheticPdf(pageCount);

  mkdirSync(SYNTHETIC_DIR, { recursive: true });
  writeFileSync(path, bytes);

  const elapsed = ((performance.now() - start) / 1000).toFixed(1);
  const size = (bytes.length / 1024 / 1024).toFixed(1);

  console.log(`Cached ${pageCount}-page PDF to ${path} (${size}MB) in ${elapsed}s`);

  return bytes;
}

/**
 * Get a synthetic 100-page PDF.