export type FormSubmissionError = Error & { submissionType?: string originalError?: unknown } export const createSubmissionError = ( submissionType: string, message: string, cause?: unknown ): FormSubmissionError => { const error = new Error(message) as FormSubmissionError error.name = 'FormSubmissionError' error.submissionType = submissionType if (cause !== undefined) { error.originalError = cause } return error }