feat: full bundle mode compat

Author: sapphi-red

packages/plugin-react/src/index.ts

@@ -117,6 +117,8 @@ export default function viteReact(opts: Options = {}): Plugin[] {
   let isProduction = true
   let projectRoot = process.cwd()
   let skipFastRefresh = true
+  let base: string
+  let isFullBundle = false
   let runPluginOverrides:
     | ((options: ReactBabelOptions, context: ReactBabelHookContext) => void)
     | undefined
@@ -185,6 +187,11 @@ export default function viteReact(opts: Options = {}): Plugin[] {
     },
     configResolved(config) {
       runningInVite = true
+      base = config.base
+      // @ts-expect-error only available in newer rolldown-vite
+      if (config.experimental.fullBundleMode) {
+        isFullBundle = true
+      }
       projectRoot = config.root
       isProduction = config.isProduction
       skipFastRefresh =
@@ -447,15 +454,20 @@ export default function viteReact(opts: Options = {}): Plugin[] {
         }
       },
     },
-    transformIndexHtml(_, config) {
-      if (!skipFastRefresh)
-        return [
-          {
-            tag: 'script',
-            attrs: { type: 'module' },
-            children: getPreambleCode(config.server!.config.base),
-          },
-        ]
+    transformIndexHtml: {
+      handler() {
+        if (!skipFastRefresh)
+          return [
+            {
+              tag: 'script',
+              attrs: { type: 'module' },
+              children: getPreambleCode(base),
+            },
+          ]
+      },
+      // In unbundled mode, Vite transforms any requests.
+      // But in full bundled mode, Vite only transforms / bundles the scripts injected in `order: 'pre'`.
+      order: isFullBundle ? 'pre' : undefined,
     },
   }