Add ez.buffer to the list of JSON incompatible ones.

RobinTail · RobinTail · commit 5a85885d68d1 · 2025-05-27T00:56:21.000+02:00
diff --git a/express-zod-api/src/deep-checks.ts b/express-zod-api/src/deep-checks.ts
@@ -1,6 +1,7 @@
 import type { $ZodType, JSONSchema } from "zod/v4/core";
 import * as R from "ramda";
 import { z } from "zod/v4";
+import { ezBufferBrand } from "./buffer-schema";
 import { ezDateInBrand } from "./date-in-schema";
 import { ezDateOutBrand } from "./date-out-schema";
 import { DeepCheckError } from "./errors";
@@ -91,6 +92,7 @@ export const findJsonIncompatible = (
       const brand = getBrand(zodSchema);
       const { type } = zodSchema._zod.def;
       if (unsupported.includes(type)) return true;
+      if (brand === ezBufferBrand) return true;
       if (io === "input") {
         if (type === "date") return true;
         if (brand === ezDateOutBrand) return true;
diff --git a/express-zod-api/tests/routing.spec.ts b/express-zod-api/tests/routing.spec.ts
@@ -522,7 +522,7 @@ describe("Routing", () => {
       [z.lazy(() => z.void()), ez.raw()],
       [z.promise(z.any()), ez.upload()],
       [z.never(), z.tuple([ez.buffer()]).rest(z.nan())],
-      [z.nan().pipe(z.any()), circular],
+      [ez.buffer().pipe(z.any()), circular],
     ])("should warn about JSON incompatible schemas %#", (input, output) => {
       const endpoint = new EndpointsFactory(defaultResultHandler).build({
         input: z.object({ input }),
