fix handling zod-error issue

Author: omermecitoglu

package-lock.json

@@ -49,7 +49,9 @@
     "eslint": "^8.57.0",
     "ts-unused-exports": "^10.1.0",
     "tsup": "^8.1.0",
-    "typescript": "^5.4.5",
+    "typescript": "^5.4.5"
+  },
+  "peerDependencies": {
     "zod": "^3.23.8"
   }
 }

package.json

@@ -1,4 +1,4 @@
-import { ZodError, type ZodType } from "zod";
+import { type ZodType } from "zod";
 import { parseRequestBody, resolveRequestBody } from "./core/body";
 import { resolveParams } from "./core/params";
 import { addBadRequest, bundleResponses } from "./core/responses";
@@ -47,7 +47,7 @@ export default function createRoute<M extends HttpMethod, PP, QP, RB>(input: Rou
         body: body as RB,
       });
     } catch (error) {
-      if (error instanceof ZodError) {
+      if (error instanceof Error && error.constructor.name === "ZodError") {
         return new Response(null, { status: 400 });
       }
       return new Response(null, { status: 500 });

src/index.ts

@@ -26,6 +26,7 @@ export default defineConfig({
     "src/cli.ts",
     "src/route-handler.ts",
   ],
+  external: ["zod", "zod-to-json-schema"],
   bundle: true,
   esbuildPlugins: [uaParserDirnamePlugin()],
   format: ["cjs", "esm"],