export var failedToString = "Failed to "; /** * @param {boolean|undefined} check * @param {string} operation * @param {string} fieldName */ export var maybeThrowFailedToOption = ( check: boolean | undefined, operation: string, fieldName: string ) => { if (check) { throw new Error( `${failedToString}${operation}: the '${fieldName}' option is unsupported.` ); } };