@tanstack/ai/dist/esm/logger/console-logger.js

Type-safe TypeScript AI SDK for streaming chat, tool calling, agents, structured outputs, and multimodal generation.

const DIR_OPTIONS = { depth: null, colors: true };
function resolveMetaStrategy() {
  try {
    if (globalThis.navigator?.userAgent === "Cloudflare-Workers") return "json";
  } catch {
  }
  if (typeof process !== "undefined" && // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition -- a partial process global (bundler shims) may lack versions
  typeof process.versions?.node === "string") {
    return "dir";
  }
  return "arg";
}
function stringifyMetaSafely(value) {
  const seen = /* @__PURE__ */ new WeakSet();
  try {
    return JSON.stringify(
      value,
      (_key, entry) => {
        if (typeof entry === "bigint") return entry.toString();
        if (entry instanceof Error) {
          return {
            name: entry.name,
            message: entry.message,
            stack: entry.stack
          };
        }
        if (typeof entry === "object" && entry !== null) {
          if (seen.has(entry)) return "[Circular]";
          seen.add(entry);
        }
        return entry;
      },
      2
    );
  } catch {
    try {
      return String(value);
    } catch {
      return "[Unserializable meta]";
    }
  }
}
class ConsoleLogger {
  /** Log a debug-level message; forwards to `console.debug`. */
  debug(message, meta) {
    this.emit("debug", message, meta);
  }
  /** Log an info-level message; forwards to `console.info`. */
  info(message, meta) {
    this.emit("info", message, meta);
  }
  /** Log a warning-level message; forwards to `console.warn`. */
  warn(message, meta) {
    this.emit("warn", message, meta);
  }
  /** Log an error-level message; forwards to `console.error`. */
  error(message, meta) {
    this.emit("error", message, meta);
  }
  emit(level, message, meta) {
    if (meta === void 0) {
      console[level](message);
      return;
    }
    switch (resolveMetaStrategy()) {
      case "dir":
        console[level](message);
        console.dir(meta, DIR_OPTIONS);
        break;
      case "json":
        console[level](`${message}
${stringifyMetaSafely(meta)}`);
        break;
      case "arg":
        console[level](message, meta);
        break;
    }
  }
}
export {
  ConsoleLogger
};
//# sourceMappingURL=console-logger.js.map