minesweeper/backend/index.ts

40 lines
1.0 KiB
TypeScript

import type { ServerWebSocket } from "bun";
const allowCors = {
"Access-Control-Allow-Origin": "*",
"Access-Control-Allow-Methods": "GET, POST, PUT, DELETE, OPTIONS",
"Access-Control-Allow-Headers": "Content-Type",
};
const userName = new WeakMap<ServerWebSocket<unknown>, string>();
const server = Bun.serve({
async fetch(request: Request) {
if (request.method === "OPTIONS") {
const res = new Response("Departed", { headers: allowCors });
return res;
}
if (request.url.endsWith("ws")) {
if (server.upgrade(request)) return new Response("ok");
}
},
websocket: {
message: (ws, message) => {
if (typeof message !== "string") {
return;
}
const user = userName.get(ws);
try {
const msg = JSON.parse(message);
console.log(msg);
} catch (e) {
console.error("Faulty request", message, e);
return;
}
},
open: async (ws) => {
ws.subscribe("minesweeper-global");
},
},
port: 8076,
});