Method reply

packages/platform-express/adapters/express-adapter.ts:103–132

(response: any, body: any, statusCode?: number)

  }

  public reply(response: any, body: any, statusCode?: number) {
    if (statusCode) {
      response.status(statusCode);
    }
    if (isNil(body)) {
      return response.send();
    }
    if (body instanceof StreamableFile) {
      this.applyStreamHeaders(response, body);
      const stream = body.getStream();
      stream.once('error', err => {
        body.errorHandler(err, response);
      });
      return stream
        .pipe<Writable>(response)
        .on('error', (err: Error) => body.errorLogger(err));
    }
    const responseContentType = response.getHeader('Content-Type');
    if (
      typeof responseContentType === 'string' &&
      !responseContentType.startsWith('application/json') &&
      body?.statusCode >= HttpStatus.BAD_REQUEST
    ) {
      this.logger.warn(
        "Content-Type doesn't match Reply body, you might need a custom ExceptionFilter for non-JSON responses",
      );
      response.setHeader('Content-Type', 'application/json');
    }
    return isObject(body) ? response.json(body) : response.send(String(body));
  }

  public status(response: any, statusCode: number) {
    return response.status(statusCode);