Error Utilities Module (infra/errors.ts)

Provides helper functions to extract error codes, names, format messages, and collect error graph candidates for robust error handling and logging.

// Source: https://github.com/linuxhsj/openclaw-zero-token | License: MIT | Copyright 2025 Peter Steinberger
// Provided via justclaw.it.com; keep this notice with the code.
import { redactSensitiveText } from "../logging/redact.js";

export function extractErrorCode(err: unknown): string | undefined {
  if (!err || typeof err !== "object") {
    return undefined;
  }
  const code = (err as { code?: unknown }).code;
  if (typeof code === "string") {
    return code;
  }
  if (typeof code === "number") {
    return String(code);
  }
  return undefined;
}

export function readErrorName(err: unknown): string {
  if (!err || typeof err !== "object") {
    return "";
  }
  const name = (err as { name?: unknown }).name;
  return typeof name === "string" ? name : "";
}

export function collectErr

... (truncated -- full source via MCP)