import "react-router"; import { createRequestHandler } from "@react-router/express"; import express from "express"; declare module "react-router" { interface AppLoadContext { VALUE_FROM_EXPRESS: string; } } export const app = express(); app.use( createRequestHandler({ build: () => import("virtual:react-router/server-build"), getLoadContext() { return { VALUE_FROM_EXPRESS: "Hello from Express", }; }, }), );