From 683455895d35de50bd5c4cc60c0d764b99a8c8ec Mon Sep 17 00:00:00 2001
From: Jonathan Haines <jonno.haines@gmail.com>
Date: Mon, 9 Jun 2025 19:11:11 +1000
Subject: [PATCH] refactor(clerk-auth): enable isolated declarations (#1194)

---
 .changeset/large-areas-take.md          | 5 +++++
 packages/clerk-auth/src/index.ts        | 2 +-
 packages/clerk-auth/tsconfig.build.json | 3 ++-
 3 files changed, 8 insertions(+), 2 deletions(-)
 create mode 100644 .changeset/large-areas-take.md

diff --git a/.changeset/large-areas-take.md b/.changeset/large-areas-take.md
new file mode 100644
index 00000000..d8c4ac92
--- /dev/null
+++ b/.changeset/large-areas-take.md
@@ -0,0 +1,5 @@
+---
+'@hono/clerk-auth': patch
+---
+
+Add explicit `MiddlewareHandler` return type
diff --git a/packages/clerk-auth/src/index.ts b/packages/clerk-auth/src/index.ts
index f86c59e8..eb0d0146 100644
--- a/packages/clerk-auth/src/index.ts
+++ b/packages/clerk-auth/src/index.ts
@@ -12,7 +12,7 @@ declare module 'hono' {
   }
 }
 
-export const getAuth = (c: Context) => {
+export const getAuth = (c: Context): ClerkAuth => {
   return c.get('clerkAuth')
 }
 
diff --git a/packages/clerk-auth/tsconfig.build.json b/packages/clerk-auth/tsconfig.build.json
index ccc2f65a..a82a1266 100644
--- a/packages/clerk-auth/tsconfig.build.json
+++ b/packages/clerk-auth/tsconfig.build.json
@@ -4,7 +4,8 @@
     "rootDir": "src",
     "outDir": "dist",
     "tsBuildInfoFile": "dist/tsconfig.build.tsbuildinfo",
-    "emitDeclarationOnly": false
+    "emitDeclarationOnly": false,
+    "isolatedDeclarations": true
   },
   "include": ["src/**/*.ts"],
   "exclude": ["**/*.test.ts"],