text: export function success (body) {
      return buildResponse(200, body);
    }
  
    export function failure (body) {
      return buildResponse(500, body);
    }
  
    function buildResponse (statusCode, body) {
      return {
        statusCode: statusCode,
        headers: {
          "Access-Control-Allow-Origin": "*",
          "Access-Control-Allow-Credentials": true
        },
        body: JSON.stringify(body)
      };
    }