Method overrideLogger

packages/common/services/logger.service.ts:312–327

(logger: LoggerService | LogLevel[] | boolean)

  }

  static overrideLogger(logger: LoggerService | LogLevel[] | boolean) {
    if (Array.isArray(logger)) {
      Logger.logLevels = logger;
      return this.staticInstanceRef?.setLogLevels?.(logger);
    }
    if (isObject(logger)) {
      if (logger instanceof Logger && logger.constructor !== Logger) {
        const errorMessage = `Using the "extends Logger" instruction is not allowed in Nest v9. Please, use "extends ConsoleLogger" instead.`;
        this.staticInstanceRef?.error(errorMessage);
        throw new Error(errorMessage);
      }
      this.staticInstanceRef = logger as LoggerService;
    } else {
      this.staticInstanceRef = undefined;
    }
  }

  static isLevelEnabled(level: LogLevel): boolean {
    const logLevels = Logger.logLevels;