Files

59 lines
1.4 KiB
JavaScript

import * as fs from "node:fs";
import { notFoundTemplate } from "../template/4xx.js";
import { writeHtmlResponse } from "./response.js";
const VITE_INTERNAL_PREFIXES = [
"/@vite/",
"/@fs/",
"/@id/",
"/__vite",
"/@react-refresh",
"/node_modules/",
"/.astro/"
];
function routeGuardMiddleware(settings) {
const { config } = settings;
return function devRouteGuard(req, res, next) {
const url = req.url;
if (!url) {
return next();
}
const accept = req.headers.accept || "";
if (!accept.includes("text/html")) {
return next();
}
let pathname;
try {
pathname = decodeURI(new URL(url, "http://localhost").pathname);
} catch {
return next();
}
if (VITE_INTERNAL_PREFIXES.some((prefix) => pathname.startsWith(prefix))) {
return next();
}
if (url.includes("?")) {
return next();
}
const publicFilePath = new URL("." + pathname, config.publicDir);
if (fs.existsSync(publicFilePath)) {
return next();
}
const srcFilePath = new URL("." + pathname, config.srcDir);
if (fs.existsSync(srcFilePath)) {
return next();
}
const rootFilePath = new URL("." + pathname, config.root);
try {
const stat = fs.statSync(rootFilePath);
if (stat.isFile()) {
const html = notFoundTemplate(pathname);
return writeHtmlResponse(res, 404, html);
}
} catch {
}
return next();
};
}
export {
routeGuardMiddleware
};