Get `statusMessage` from $fetch

export function getErrorMsg(error: unknown): string {
    console.log(error instanceof Error);
    console.log(typeof error === "object");
    console.log(error !== null);
    console.log(error.statusCode);
    console.log(error.statusMessage);
    console.log(error.message);
    console.error(error);

    if (error instanceof Error || (typeof error === "object" && error !== null)) {
        if ("statusMessage" in error) {
            return error.statusMessage as string;
        }

        if ("message" in error) {
            return error.message as string;
        }
    }

    return String(error);
}

try
{
  await $fetch("/api/user/user-chracter/unlock", {
            method: "POST",
            body: {
                rank: hereRank,
            },
        });
} catch (error) {
  alert("Failed to unlock: " + getErrorMsg(error));
}