responsify-requests/constants/responseType.js

This package will help you throw the response messages along with the proper status code and proper structure.

const responseType = {
    SUCCESS: 'SUCCESS',
    BAD_REQUEST: 'BAD_REQUEST',
    NOT_FOUND: 'NOT_FOUND',
    INTERNAL_SERVER_ERROR: 'INTERNAL_SERVER_ERROR',
    UNAUTHORIZED: 'UNAUTHORIZED',
    TOO_MANY_REQUESTS: 'TOO_MANY_REQUESTS',
    UNPROCESSABLE_ENTITY: 'UNPROCESSABLE_ENTITY',
}

module.exports = responseType;