Function isPdftoppmAvailable

src/utils/pdf.ts:160–169

()

 * The result is cached for the lifetime of the process.
 */
export async function isPdftoppmAvailable(): Promise<boolean> {
  if (pdftoppmAvailable !== undefined) return pdftoppmAvailable
  const { code, stderr } = await execFileNoThrow('pdftoppm', ['-v'], {
    timeout: 5000,
    useCwd: false,
  })
  // pdftoppm prints version info to stderr and exits 0 (or sometimes 99 on older versions)
  pdftoppmAvailable = code === 0 || stderr.length > 0
  return pdftoppmAvailable
}

/**
 * Extract PDF pages as JPEG images using pdftoppm.