Handle failure modes

import {
  SladeIDError,
  CaptureError,
  QualityError,
  NetworkError,
  EncryptionError,
  AuthError,
} from '@sladeid/slade-id-sdk';
 
try {
  const result = await sdk.matchFace('subject-123', captureResult);
} catch (err) {
  if (err instanceof AuthError) {
    // Refresh the ClientSecret and retry once.
    await refreshAuth();
    return retry();
  }
 
  if (err instanceof NetworkError) {
    // Transient: retry with backoff.
    return retryWithBackoff();
  }
 
  if (err instanceof QualityError) {
    // Recapture with relaxed thresholds or better lighting.
    return promptRecapture();
  }
 
  if (err instanceof CaptureError) {
    // Camera or browser issue. Specific code determines recovery.
    return handleCaptureError(err);
  }
 
  if (err instanceof EncryptionError) {
    // Environment can't run Web Crypto. Cannot recover at runtime.
    return surfaceFatalError(err);
  }
 
  if (err instanceof SladeIDError) {
    // Catch-all for configuration errors.
    return surfaceFatalError(err);
  }
 
  throw err;
}