bunext/src/functions/server/bunext-req-handler.ts

97 lines
3.1 KiB
TypeScript

import handleWebPages from "./web-pages/handle-web-pages";
import handleRoutes from "./handle-routes";
import isDevelopment from "../../utils/is-development";
import handleHmr from "./handle-hmr";
import handlePublic from "./handle-public";
import handleFiles from "./handle-files";
import handleBunextPublicAssets from "./handle-bunext-public-assets";
import checkExcludedPatterns from "../../utils/check-excluded-patterns";
import { AppData } from "../../data/app-data";
import fullRebuild from "./full-rebuild";
const HMR_RETRY_COOLDOWN_MS = 5000;
let lastHmrRetryTime = 0;
type Params = {
req: Request;
server: Bun.Server<any>;
};
export default async function bunextRequestHandler({
req: initial_req,
server,
}: Params): Promise<Response> {
const is_dev = isDevelopment();
let req = initial_req.clone();
try {
const url = new URL(req.url);
if (checkExcludedPatterns({ path: url.pathname })) {
return Response.json({ success: false, msg: `Invalid Path` });
}
let response: Response | undefined = undefined;
if (global.CONSTANTS.config?.middleware) {
const middleware_res = await global.CONSTANTS.config.middleware({
req: initial_req,
url,
});
if (middleware_res instanceof Response) {
return middleware_res;
}
if (middleware_res instanceof Request) {
req = middleware_res;
}
}
if (is_dev && url.pathname == AppData["BunextHMRRetryRoute"]) {
const now = Date.now();
if (now - lastHmrRetryTime < HMR_RETRY_COOLDOWN_MS) {
return new Response("Too Many Requests", { status: 429 });
}
lastHmrRetryTime = now;
await fullRebuild({ msg: `HMR Retry Rebuild ...` });
return new Response("Modules Rebuilt");
}
if (url.pathname === "/__hmr" && is_dev) {
return handleHmr({ req });
} else if (url.pathname.startsWith("/.bunext")) {
response = await handleBunextPublicAssets({ req });
} else if (url.pathname.startsWith("/api/")) {
response = await handleRoutes({ req });
} else if (url.pathname.startsWith("/public/")) {
response = await handlePublic({ req });
} else if (url.pathname.match(/\..*$/)) {
response = await handleFiles({ req });
} else {
response = await handleWebPages({ req });
}
if (!response) {
throw new Error(`No Response generated`);
}
if (is_dev) {
response.headers.set(
"Cache-Control",
"no-cache, no-store, must-revalidate",
);
}
return response;
} catch (error: any) {
if (is_dev) {
return new Response(`Server Error: ${error.message}`, {
status: 500,
});
}
console.error(`Server Error: ${error.message}`, error);
return new Response("Internal Server Error", { status: 500 });
}
}