lib/index.js
function handleErrors(errors, data) {
  const message = errors[0].message;
  const error = new Error(`GraphQL Error: ${message}`);
  error.rawError = errors;
  error.rawData = data;
  throw error;
}
function handleErrors(errors, data) {
  const message = errors[0].message;
  const error = new Error(`GraphQL Error: ${message}`);
  error.rawError = errors;
  error.rawData = data;
  throw error;
}
function handleErrors ( errors , data ) { const message = errors [ 0 ] . message ; const error = new Error ( ` ${ message } ` ) ; error . rawError = errors ; error . rawData = data ; throw error ; }
the default error handler
the default error handler