how to use swagger-stats with sails.js framework about swagger-stats HOT 6 CLOSED

/**
 * HTTP Server Settings
 * (sails.config.http)
 *
 * Configuration for the underlying HTTP server in Sails.
 * (for additional recommended settings, see `config/env/production.js`)
 *
 * For more information on configuration, check out:
 * https://sailsjs.com/config/http
 */

let swStats = require('swagger-stats');    
let swaggerSpec = require('swagger-stats/examples/authtest/petstore.json')

module.exports.http = {

  middleware: {

    order: [
      'swaggerStats',
      'cookieParser',
      'session',
      'bodyParser',
      'compress',
      'poweredBy',
      'router',
      'www',
      'favicon'
    ],

    swaggerStats: (function _configureSwaggerStats(){
      let swsOptions = {
        name: 'swagger-stats-sailsjs',
        version: '0.1.0',
        timelineBucketDuration: 60000,
        swaggerSpec:swaggerSpec,
        durationBuckets: [50, 100, 200, 500, 1000, 5000],
        requestSizeBuckets: [500, 5000, 15000, 50000],
        responseSizeBuckets: [600, 6000, 6000, 60000],
        // Make sure both 50 and 50*4 are buckets in durationBuckets, 
        // so Apdex could be calculated in Prometheus 
        apdexThreshold: 50,    
        onResponseFinish: function(req,res,rrr){
          debug('onResponseFinish: %s', JSON.stringify(rrr));
        },
        authentication: false
      };
      return swStats.getMiddleware(swsOptions);
    })(),
  },
};

error: Server Error:
error: TypeError: res.sendFile is not a function
at Object.trackingMiddleware [as handle] (\node_modules\swagger-stats\lib\swsInterface.js:357:21)