Method useLogger

packages/core/nest-application-context.ts:291–297

* Sets custom logger service. * Flushes buffered logs if auto flush is on. * @returns {void}

(logger: LoggerService | LogLevel[] | false)

   * @returns {void}
   */
  public useLogger(logger: LoggerService | LogLevel[] | false) {
    Logger.overrideLogger(logger);

    if (this.shouldFlushLogsOnOverride) {
      this.flushLogs();
    }
  }

  /**
   * Prints buffered logs and detaches buffer.