import { type Express } from "express";
import { createServer as createViteServer, createLogger } from "vite";
import { type Server } from "http";
import viteConfig from "../vite.config";
import fs from "fs";
import path from "path";
import { nanoid } from "nanoid";
const viteLogger = createLogger();
export async function setupVite(server: Server, app: Express) {
const serverOptions = {
middlewareMode: true,
hmr: { server, path: "/vite-hmr" },
allowedHosts: true as const,
};
const vite = await createViteServer({
...viteConfig,
configFile: false,
customLogger: {
...viteLogger,
error: (msg, options) => {
viteLogger.error(msg, options);
process.exit(1);
},
},
server: serverOptions,
appType: "custom",
});
app.use(vite.middlewares);
app.use("*", async (req, res, next) => {
const url = req.originalUrl;
try {
const clientTemplate = path.resolve(
import.meta.dirname,
"..",
"client",
"index.html",
);
// always reload the index.html file from disk incase it changes
let template = await fs.promises.readFile(clientTemplate, "utf-8");
template = template.replace(
`src="/src/main.tsx"`,
`src="/src/main.tsx?v=${nanoid()}"`,
);
const page = await vite.transformIndexHtml(url, template);
res.status(200).set({ "Content-Type": "text/html" }).end(page);
} catch (e) {
vite.ssrFixStacktrace(e as Error);
next(e);
}
});
}
