fix: Disable polling on custom domain, closes #2041

app/components/SocketProvider.js

@@ -101,7 +101,10 @@ class SocketProvider extends React.Component<Props> {
     // on reconnection, reset the transports option, as the Websocket
     // connection may have failed (caused by proxy, firewall, browser, ...)
     this.socket.on("reconnect_attempt", () => {
-      this.socket.io.opts.transports = ["polling", "websocket"];
+      this.socket.io.opts.transports =
+        auth.team && auth.team.domain
+          ? ["websocket"]
+          : ["websocket", "polling"];
     });
 
     this.socket.on("authenticated", () => {

shared/i18n/locales/en_US/translation.json

@@ -388,9 +388,9 @@
   "Whoops, you need to accept the permissions in Slack to connect Outline to your team. Try again?": "Whoops, you need to accept the permissions in Slack to connect Outline to your team. Try again?",
   "Something went wrong while authenticating your request. Please try logging in again?": "Something went wrong while authenticating your request. Please try logging in again?",
   "Get rich previews of Outline links shared in Slack and use the <em>{{ command }}</em> slash command to search for documents without leaving your chat.": "Get rich previews of Outline links shared in Slack and use the <em>{{ command }}</em> slash command to search for documents without leaving your chat.",
+  "Disconnect": "Disconnect",
   "Connect Outline collections to Slack channels and messages will be automatically posted to Slack when documents are published or updated.": "Connect Outline collections to Slack channels and messages will be automatically posted to Slack when documents are published or updated.",
   "Connected to the <em>{{ channelName }}</em> channel": "Connected to the <em>{{ channelName }}</em> channel",
-  "Disconnect": "Disconnect",
   "Connect": "Connect",
   "You’ve not starred any documents yet.": "You’ve not starred any documents yet.",
   "There are no templates just yet.": "There are no templates just yet.",