message: Check for empty relationships
diff: const isEmpty = require('lodash.isempty');
  +const isNil = (obj) => {
  + return obj === null || obj === undefined;
  +};
  +
  const isBlank = (obj) => {
  - let none = obj === null || obj === undefined;
  + let none = isNil(obj);
  if (none) {
  return none;
  }
  @@ -19,6 +23,11 @@ const isBlank = (obj) => {
  return /\S/.test(obj) === false;
  }
  + let emptyRelationship = 'data' in obj && isNil(obj.data);
  + if (emptyRelationship) {
  + return emptyRelationship;
  + }
  +
  return false;
  };
  