Error handling

import { FlaresendError } from '@flaresend/client';

try {
  await flaresend.emails.send(input);
} catch (e) {
  if (e instanceof FlaresendError) {
    e.type;    // 'validation_error' | 'authentication_error' | 'permission_error' | 'not_found'
               // | 'conflict' | 'unprocessable' | 'rate_limit_error' | 'internal_error'
    e.code;    // for example 'invalid_sender', 'recipient_suppressed', 'rate_limited'
    e.message; // a sentence you can log or show to an operator
    e.param;   // the field at fault, when there is one, for example 'from'
    e.status;  // the HTTP status
  }
  throw e;
}

try {
  await flaresend.emails.send(input, { idempotencyKey: `receipt-${order.id}` });
} catch (e) {
  if (!(e instanceof FlaresendError)) throw e;

  switch (e.code) {
    case 'recipient_suppressed':
      // e.param is the address. Don't retry: mark it bad in your database.
      await markEmailBad(e.param!);
      return;
    case 'daily_limit_exceeded':
      // Resets at 00:00 UTC. Queue the email in your app and try later.
      await retryTomorrow(input);
      return;
    case 'rate_limited':
      // The client already waited and retried maxRetries times. Back off further.
      throw e;
    case 'invalid_sender':
    case 'invalid_body':
      // A bug in the request. Retrying won't help.
      console.error(e.code, e.param, e.message);
      throw e;
    default:
      throw e;
  }
}