Method emit

src/logger.ts:109–119

(fn: (...args: unknown[]) => void, messages: unknown[])

  // is disabled (the common case for trace/debug in production). Falls
  // through when `enabled` is absent, e.g. SDK overrides with plain fns.
  protected emit(fn: (...args: unknown[]) => void, messages: unknown[]) {
    if ((fn as { enabled?: boolean }).enabled === false) {
      return;
    }
    const prefix = this.contextPrefix;
    if (prefix) {
      fn(prefix, ...messages);
    } else {
      fn(...messages);
    }
  }

  public trace(...messages: unknown[]) {
    this.emit(this._trace, messages);