query.js

import { API, graphqlOperation } from "aws-amplify";

const listEnumValues = `query ListEnumValues($enum: String!) {
  enum: __type(name: $enum) {
    enumValues {
      name
    }
  }
}`;

export default class GraphQLHelper {
  async getEnum() {
    const { data } = await API.graphql(
      graphqlOperation(listEnumValues, { enum: "FileType" })
    );
    return data;
  }
}