diff --git a/src/core.ts b/src/core.ts index 720de46c..729d0e13 100644 --- a/src/core.ts +++ b/src/core.ts @@ -994,7 +994,12 @@ const validatePositiveInteger = (name: string, n: unknown): number => { export const castToError = (err: any): Error => { if (err instanceof Error) return err; - return new Error(err); + if (typeof err === 'object' && err !== null) { + try { + return new Error(JSON.stringify(err)); + } catch {} + } + return new Error(String(err)); }; export const ensurePresent = <T>(value: T | null | undefined): T => {