fix(backend): bundle cookie package to fix cjs/esm issues (#7524)

nikosdouvlis · web-flow · commit 063ab4d0f603 · 2025-12-25T12:59:53.000+02:00
Why: CJS cookie package causing module compatibility problems in Astro and TanStack Start
What: Move cookie to devDependencies and bundle with tsup noExternal config
diff --git a/.changeset/rotten-months-repair.md b/.changeset/rotten-months-repair.md
@@ -0,0 +1,5 @@
+---
+"@clerk/backend": patch
+---
+
+Move cookie to devDependencies and bundle it within @clerk/backend to fix module compatibility problems in TanStack Start apps.
diff --git a/packages/backend/package.json b/packages/backend/package.json
@@ -110,12 +110,12 @@
   },
   "dependencies": {
     "@clerk/shared": "workspace:^",
-    "cookie": "1.0.2",
     "standardwebhooks": "^1.0.0",
     "tslib": "catalog:repo"
   },
   "devDependencies": {
     "@edge-runtime/vm": "5.0.0",
+    "cookie": "1.0.2",
     "msw": "2.11.6",
     "npm-run-all": "^4.1.5",
     "snakecase-keys": "9.0.2",
diff --git a/packages/backend/tsup.config.ts b/packages/backend/tsup.config.ts
@@ -21,7 +21,7 @@ export default defineConfig(overrideOptions => {
     bundle: true,
     clean: true,
     minify: false,
-    noExternal: ['snakecase-keys'],
+    noExternal: ['snakecase-keys', 'cookie'],
   };
 
   const esm: Options = {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +---
 +"@clerk/backend": patch
 +---
++
 +Move cookie to devDependencies and bundle it within @clerk/backend to fix module compatibility problems in TanStack Start apps.