import { useQuery } from '@apollo/react-hooks';
import gql from 'graphql-tag';

const GET_GREETING = gql`
  query getGreeting($language: String!) {
    greeting(language: $language) {
      message
    }
  }
`;

function Hello() {
  const { loading, error, data } = useQuery(GET_GREETING, {
    variables: { language: 'english' },
  });
  if (loading) return <p>Loading ...</p>;
  return <h1>Hello {data.greeting.message}!</h1>;
}