Hooks and Errors

Copyimport {
  ERROR_CODES,
  NexusError,
  UserActionError,
  getIntentQuoteFailure,
} from '@avail-project/nexus-core';
 
try {
  const result = await client.swapWithExactOut({
    toChainId: 8453,
    toTokenAddress: '0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913',
    toAmountRaw: amountRaw,
  });
  showSuccess(result.intentExplorerUrl);
} catch (error) {
  if (error instanceof UserActionError) return; // User cancelled.
  if (!(error instanceof NexusError)) throw error;
 
  switch (error.code) {
    case ERROR_CODES.BACKEND_VALUE_ABOVE_CEILING: {
      const maxUsd = getIntentQuoteFailure(error)?.details.maxValueUsd;
      showError(`Reduce the amount. Limit: $${String(maxUsd ?? 'unknown')}`);
      break;
    }
    case ERROR_CODES.BACKEND_INSUFFICIENT_BALANCE:
      showError('Reduce the amount or choose another source.');
      break;
    case ERROR_CODES.BACKEND_FULFILMENT_WAIT_TIMEOUT:
      showPending(String(error.details?.requestHash)); // Do not retry yet.
      break;
    default:
      showError(error.message);
  }
  reportError({ code: error.code, context: error.context, details: error.details });
}