[Typescript] Error Wrapper

type ErrorWithMessage = {
	message: string
}

function isErrorWithMessage(error: unknown): error is ErrorWithMessage {
	return (
		typeof error === 'object' &&
		error !== null &&
		'message' in error &&
		typeof (error as Record<string, unknown>).message === 'string'
	)
}

function toErrorWithMessage(maybeError: unknown): ErrorWithMessage {
	if (isErrorWithMessage(maybeError)) return maybeError

	try {
		return new Error(JSON.stringify(maybeError))
	} catch {
		// fallback in case there's an error stringifying the maybeError
		// like with circular references for example.
		return new Error(String(maybeError))
	}
}

function getErrorMessage(error: unknown) {
	return toErrorWithMessage(error).message
}