docs: typescript example should use isEmpty method (guide/manually-ru…

…nning) (#1276)

docs/guides/manually-running.md

@@ -66,7 +66,7 @@ const validate = (validations: ContextRunner[]) => {
  return async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  for (const validation of validations) {
  const result = await validation.run(req);
- if (result.errors.length) break;
+ if (!result.isEmpty()) break;
  }
 
  const errors = validationResult(req);