cc-switch/src/utils/errorUtils.ts

/**
 * 从各种错误对象中提取错误信息
 * @param error 错误对象
 * @returns 提取的错误信息字符串
 */
export const extractErrorMessage = (error: unknown): string => {
  if (!error) return "";
  if (typeof error === "string") {
    return error;
  }
  if (error instanceof Error && error.message.trim()) {
    return error.message;
  }

  if (typeof error === "object") {
    const errObject = error as Record<string, unknown>;

    const candidate = errObject.message ?? errObject.error ?? errObject.detail;
    if (typeof candidate === "string" && candidate.trim()) {
      return candidate;
    }

    const payload = errObject.payload;
    if (typeof payload === "string" && payload.trim()) {
      return payload;
    }
    if (payload && typeof payload === "object") {
      const payloadObj = payload as Record<string, unknown>;
      const payloadCandidate =
        payloadObj.message ?? payloadObj.error ?? payloadObj.detail;
      if (typeof payloadCandidate === "string" && payloadCandidate.trim()) {
        return payloadCandidate;
      }
    }
  }

  return "";
};