From f63a451b6f7813588831873d342037315a21c4ea Mon Sep 17 00:00:00 2001
From: Luke Parker <10430890+Hona@users.noreply.github.com>
Date: Sat, 4 Jul 2026 13:31:13 +1000
Subject: [PATCH] fix(desktop): stabilize esm shim injection (#35270)

---
 packages/desktop/electron.vite.config.ts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/packages/desktop/electron.vite.config.ts b/packages/desktop/electron.vite.config.ts
index 5ea46b5165..5d25be209e 100644
--- a/packages/desktop/electron.vite.config.ts
+++ b/packages/desktop/electron.vite.config.ts
@@ -39,6 +39,17 @@ export default defineConfig({
     build: {
       rollupOptions: {
         input: { index: "src/main/index.ts", sidecar: "src/main/sidecar.ts" },
+        // Keep this identical to electron-vite's Node 20.11+ shim. Its regex insertion can
+        // corrupt bundled TypeScript, while a Rollup banner places the shim safely.
+        output: {
+          banner: `
+// -- CommonJS Shims --
+import __cjs_mod__ from 'node:module';
+const __filename = import.meta.filename;
+const __dirname = import.meta.dirname;
+const require = __cjs_mod__.createRequire(import.meta.url);
+`,
+        },
       },
       externalizeDeps: { include: [nodePtyPkg] },
     },