Merge pull request rails#47939 from sirwolfgang/bugfix-actioncable

[Fix: 47938] self is undefined for actioncable

Author: rafaelfranca

actioncable/app/assets/javascripts/action_cable.js

@@ -1,4 +1,4 @@
 export default {
-  logger: self.console,
-  WebSocket: self.WebSocket
+  logger: typeof console !== "undefined" ? console : undefined,
+  WebSocket: typeof WebSocket !== "undefined" ? WebSocket : undefined,
 }

actioncable/app/assets/javascripts/actioncable.esm.js

@@ -6,13 +6,13 @@ const {module, test} = QUnit
 module("ActionCable", () => {
   module("Adapters", () => {
     module("WebSocket", () => {
-      test("default is self.WebSocket", assert => {
+      test("default is WebSocket", assert => {
         assert.equal(ActionCable.adapters.WebSocket, self.WebSocket)
       })
     })
 
     module("logger", () => {
-      test("default is self.console", assert => {
+      test("default is console", assert => {
         assert.equal(ActionCable.adapters.logger, self.console)
       })
     })