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import express, { Application, Router } from "express";
import { traverseDirectory } from "./Utils";
import { Server as HTTPServer } from "http";
import fs from "fs/promises";
export type ServerOptions = {
port: number;
};
export class Server {
private app: Application;
private http: HTTPServer;
private options: ServerOptions;
private routes: Router[];
private initalized: Promise<any>;
constructor(opts: ServerOptions = { port: 8080 }) {
this.options = opts;
this.app = express();
this.initalized = this.init();
}
async init() {
// recursively loads files in routes/
this.routes = await this.registerRoutes(__dirname + "/routes/");
// const indexHTML = await (await fetch("https://discord.com/app")).buffer();
const indexHTML = await fs.readFile(__dirname + "/../client/index.html");
this.app.get("*", (req, res) => {
res.set("Cache-Control", "public, max-age=" + 60 * 60 * 24);
res.set("content-type", "text/html");
res.send(indexHTML);
});
}
async start() {
await this.initalized;
await new Promise<void>((res) => this.app.listen(this.options.port, () => res()));
console.log(`[Server] started on ${this.options.port}`);
}
async registerRoutes(root: string) {
return await traverseDirectory({ dirname: root, recursive: true }, this.registerRoute.bind(this, root));
}
registerRoute(root: string, file: string): any {
if (root.endsWith("/") || root.endsWith("\\")) root = root.slice(0, -1); // removes slash at the end of the root dir
let path = file.replace(root, ""); // remove root from path and
path = path.split(".").slice(0, -1).join("."); // trancate .js/.ts file extension of path
if (path.endsWith("/index")) path = path.slice(0, -6); // delete index from path
try {
var router = require(file);
if (router.router) router = router.router;
if (router.default) router = router.default;
if (!router || router?.prototype?.constructor?.name !== "router")
throw `File doesn't export any default router`;
this.app.use(path, <Router>router);
console.log(`[Server] Route ${path} registerd`);
return router;
} catch (error) {
console.error(new Error(`[Server] Failed to register route ${path}: ${error}`));
}
}
async stop() {
return new Promise<void>((res) => this.http.close(() => res()));
}
}
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