Function mixedMiddleware

test/v2/jrpcEngineV2.test.ts:1077–1079

({ request })

      it("constructs a mixed engine", async () => {
        const mixedMiddleware: JRPCMiddlewareV2 = ({ request }) => {
          return isRequest(request) ? null : undefined;
        };
        const engine = JRPCEngineV2.create({
          middleware: [mixedMiddleware],
        });