about zod customize some error messages when creating a schema.

[Asensiki]

When I created zod schema, I customized some error messages for verification. But when I tried to verify, the custom error message didn't work.

code

user.scheme.ts

const loginSchema = z.object({
  email: z
    .string()
    .email({ message: "Please enter the correct email address" }),
  password: z.string(),
});

export const { schemas: userSchemas, $ref } = buildJsonSchemas({
  ....
  loginSchema,
});

user.route.ts

async function userRoutes(server: FastifyInstance) {
  server.post(
    "/login",
    {
      schema: {
        body: $ref("loginSchema"),
        response: {
          200: $ref("loginResponseSchema"),
        },
      },
    },
    loginHandler
  );
}

app.ts

for (const schema of [...userSchemas, ...productSchemas]) {
    server.addSchema(schema);
  }

Send a request

{"email":"ad12dadasda","password":""}

response

{
  "statusCode": 400,
  "error": "Bad Request",
  "message": "body.email should match format \"email\""
}