diff --git a/packages/vite/src/esbuild-resolver.ts b/packages/vite/src/esbuild-resolver.ts
index c712e2099..8b1d4d30d 100644
--- a/packages/vite/src/esbuild-resolver.ts
+++ b/packages/vite/src/esbuild-resolver.ts
@@ -40,6 +40,9 @@ export function esBuildResolver(): EsBuildPlugin {
     if (['.hbs', '.gjs', '.gts', '.js', '.ts'].some(ext => path.endsWith(ext))) {
       src = transformAndAssert(src, path);
     }
+    if (path.endsWith('.gts')) {
+      return { contents: src, loader: 'ts' };
+    }
     return { contents: src };
   }