How handle errors in Axios with TypeScript

Auth.ts

function errorHandler(error: AxiosError) {
  type ErrorBody = {
    message?: string;
    error?: string;
  }
  if (error.response) {
    // error in server with a response
    const data = (<ErrorBody>error.response.data)
    const body = `${data.error}: ${data.message}`;
    alert(body);
  } else if (error.request) {
    // Error in request
    alert("Por favor, verifique sua conexão com o servidor!");
  } else {
    // error in code
    console.log("DEVELOPER DEBUG: error in some implementation")
  }
}