Various improvements

painter-js/src/socket.js

@@ -0,0 +1,17 @@
+import io from "socket.io-client";
+
+const isDebug = import.meta.env.VITE_IS_DEBUG === "true";
+const wsProtocol = window.location.protocol === "https:" ? "wss:" : "ws:";
+const wsHost = window.location.host;
+
+let socket;
+
+if (isDebug) {
+  socket = io("ws://localhost:3000");
+} else {
+  socket = io(`${wsProtocol}//${wsHost}`, {
+    transports: ["websocket"],
+  });
+}
+
+export default socket;