class HttpError extends Error { constructor ( public readonly message , public readonly status , public readonly body = null ) { super ( message ) ; Object . setPrototypeOf ( this , HttpError . prototype ) ; this . name = this . constructor . name ; if ( typeof Error . captureStackTrace === 'function' ) { Error . captureStackTrace ( this , this . constructor ) ; } else { this . stack = new Error ( message ) . stack ; } this . stack = new Error ( ) . stack ; } } export default HttpError ;