From d2a8609e04ab01edeadb8dd032978d902aa99296 Mon Sep 17 00:00:00 2001
From: Anders Chen <anders@wistia.com>
Date: Tue, 26 Aug 2025 22:19:52 +0800
Subject: [PATCH 1/2] Changes required to unbreak vite-rolldown

---
 vite-plugin-ruby/src/index.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/vite-plugin-ruby/src/index.ts b/vite-plugin-ruby/src/index.ts
index 5248a5f7..b43ea004 100644
--- a/vite-plugin-ruby/src/index.ts
+++ b/vite-plugin-ruby/src/index.ts
@@ -44,6 +44,10 @@ function config (userConfig: UserConfig, env: ConfigEnv): UserConfig {
   if (typeof rollupInput === 'string')
     rollupInput = { [rollupInput]: rollupInput }
 
+  // Detect if we're using rolldown
+  const isUsingRolldown = this.meta && this.meta.rolldownVersion;
+  const optionsKey = isUsingRolldown ? "rolldownOptions" : "rollupOptions";
+
   const build = {
     emptyOutDir: userConfig.build?.emptyOutDir ?? (ssrBuild || isLocal),
     sourcemap: !isLocal,
@@ -51,7 +55,7 @@ function config (userConfig: UserConfig, env: ConfigEnv): UserConfig {
     assetsDir,
     manifest: !ssrBuild,
     outDir,
-    rollupOptions: {
+    [optionsKey]: {
       ...rollupOptions,
       input: {
         ...rollupInput,
@@ -101,6 +105,7 @@ function configureServer (server: ViteDevServer) {
 function outputOptions (assetsDir: string, ssrBuild: boolean) {
   // Internal: Avoid nesting entrypoints unnecessarily.
   const outputFileName = (ext: string) => ({ name }: { name: string }) => {
+    if (typeof name === "undefined") return "";
     const shortName = basename(name).split('.')[0]
     return posix.join(assetsDir, `${shortName}-[hash].${ext}`)
   }

From 871db64cf4ecec0bc0118f6168d163aa00d7a1dc Mon Sep 17 00:00:00 2001
From: Anders Chen <anders@wistia.com>
Date: Wed, 27 Aug 2025 11:58:04 +0800
Subject: [PATCH 2/2] Fix TS errors

---
 vite-plugin-ruby/src/index.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/vite-plugin-ruby/src/index.ts b/vite-plugin-ruby/src/index.ts
index b43ea004..d022bb85 100644
--- a/vite-plugin-ruby/src/index.ts
+++ b/vite-plugin-ruby/src/index.ts
@@ -45,6 +45,7 @@ function config (userConfig: UserConfig, env: ConfigEnv): UserConfig {
     rollupInput = { [rollupInput]: rollupInput }
 
   // Detect if we're using rolldown
+  // @ts-ignore - Vite plugin context provides meta information
   const isUsingRolldown = this.meta && this.meta.rolldownVersion;
   const optionsKey = isUsingRolldown ? "rolldownOptions" : "rollupOptions";