Готовый документ jQuery не запускается в приложении Rails 5 с ActionCable

// This is a manifest file that'll be compiled into application.js, which will include all the files
// listed below.
//
// Any JavaScript/Coffee file within this directory, lib/assets/javascripts, vendor/assets/javascripts,
// or any plugin's vendor/assets/javascripts directory can be referenced here using a relative path.
//
// It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
// compiled file. JavaScript code in this file should be added after the last require_* statement.
//
// Read Sprockets README (https://github.com/rails/sprockets#sprockets-directives) for details
// about supported directives.
//
//= require jquery
//= require jquery_ujs
//= require bootstrap
//= require featherlight.min
//= require jquery.growl
//= require cable
//= require base
//= require tradewars
//= require extensions
//= require_tree .

// TradeWars.io - application.js file

var Mining_Loop_Iterator = false;

$(document).ready(function() {

  console.log("Initializing new TradeWars class...");
  TradeWars = new TradeWarsClass();
  console.log("Applying click handlers...");
  TradeWars.applyClickHandlers();

  console.log("Attempting to create WebSocket...");

  App.game = App.cable.subscriptions.create({
    channel: "GameChannel"
  }, {
    connected: function() {},
    disconnected: function() {},
    received: function(data) {
      console.log('Received via ActionCable :: ' + data.message.method + ' :');
      console.log(data);
      if (data.message.method == 'disable_mining') {
        TradeWars.disableMining(data.message);
      } else if (data.message.method == 'offer_chest') {
        TradeWars.offerChest();
      } else {
        // Refresh
        TradeWars.animateDigging(data.message);
        TradeWars.refresh(data.message);
      }
      return true;
    },
    mine: function(clicks_per_second) {
      return this.perform('mine', {
        clicks_per_second: clicks_per_second
      });
    }
  });

  TradeWars.miningLoop();

});

<script>

$(document).ready(function() {

    setTimeout(function() {

      TradeWars.planet_id = 21;

    }, 5000);

});

</script>