Automatically disable http2 when Vite proxy is used (#571)

Author: wojtekmaj

.changeset/silver-elephants-hug.md

@@ -0,0 +1,5 @@
+---
+"@ladle/react": patch
+---
+
+Automatically disable http2 when Vite proxy is used

packages/ladle/lib/cli/vite-dev.js

@@ -132,7 +132,9 @@ const bundler = async (config, configFolder) => {
     };
 
     if (useHttps) {
-      if (config.disableHttp2) {
+      const usesProxy = Boolean(vite.config.server.proxy);
+
+      if (config.disableHttp2 || usesProxy) {
         https
           .createServer({ ...vite.config.server.https }, app.callback())
           .listen(port, hostname, listenCallback);