.

Author: james-elicx

packages/plugin-rsc/src/plugin.ts

@@ -57,6 +57,7 @@ import {
 } from './plugins/utils'
 import { validateImportPlugin } from './plugins/validate-import'
 import {
+  FS_PREFIX,
   cleanUrl,
   directRequestRE,
   evalValue,
@@ -1615,14 +1616,12 @@ function vitePluginUseClient(
                 '\0virtual:vite-rsc/client-in-server-package-proxy/'.length,
               ),
             )
-            // Route absolute paths through `/@fs/` so import-analysis resolves
-            // them correctly even when the dependency optimizer doesn't rewrite
-            // the import to a `?v=<hash>` URL (e.g. when reached via a relative
-            // import from another package file).
-            const url = normalizeViteImportAnalysisUrl(
-              this.environment as DevEnvironment,
-              id,
-            )
+            // Always emit `/@fs/<abs-path>` so import-analysis resolves the
+            // module directly from disk. Without this, when this proxy is
+            // reached via a relative import (so the optimizer doesn't rewrite
+            // it to a `?v=<hash>` URL), import-analysis would treat the raw
+            // absolute path as a root-relative URL and look up the wrong file.
+            const url = path.posix.join(FS_PREFIX, id)
             // TODO: avoid `export default undefined`
             return `
             export * from ${JSON.stringify(url)};