app_init_take_one.ts

function render(
  userRequest: RemoteData<User, Error>,
  translationsRequest: RemoteData<Translations, Error>
) {
  if (isLoading(userRequest) || isLoading(translationsRequest)) {
    return "Loading...";
  } else if (isSuccess(userRequest) && isSuccess(translationsRequest)) {
    const { username } = userRequest.data;
    const { greeting } = translationsRequest.data;
    return `${greeting}, ${username}`;
  } else if (isFailure(userRequest) || isFailure(translationsRequest)) {
    return "Could not initialize the application!";
  } else {
    return null;
  }
}

/* ...simulated fetch functions */