Grunt-contrib-connect working with proxy-middleware cause grunt-connect-proxy is shit

gistfile1.js

var url = require('url');
var proxy = require('proxy-middleware');

module.exports.tasks = {
  connect: {
    options: {
      port: 9001,
      hostname: 'localhost',
      base: '<%= location.frontEnd %>/dist',
      livereload: true
    },
    server: {
      options: {
        open: 'http://localhost:9001',
        proxy: 'http://localhost:9080/web/tasks/',
        middleware: function(connect, options) {
          var middlewares = [];
          var proxyUrl = options.proxy || 'http://localhost:8000';
          var proxyOptions = url.parse(proxyUrl);

          proxyOptions.route = '/api';

          middlewares.push(proxy(proxyOptions));
          middlewares.unshift(function(req, res, next) {
            res.setHeader('Access-Control-Allow-Origin', '*');
            res.setHeader('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE');
            res.setHeader('Access-Control-Allow-Headers', 'Content-Type');
            next();
          });

          if (!Array.isArray(options.base)) {
            options.base = [options.base];
          }
          //Options for connect.static module. See http://www.senchalabs.org/connect/static.html
          var defaultStaticOptions = {};
          var directory = options.directory || options.base[options.base.length - 1];
          options.base.forEach(function(base) {
            // Serve static files.
            var path = base.path || base;
            var staticOptions = base.options || defaultStaticOptions;
            middlewares.push(connect.static(path, staticOptions));
          });
          // Make directory browse-able.
          middlewares.push(connect.directory(directory.path || directory));

          return middlewares;
        },
      }
    },
    test: {}
  }
};