@colyseus/core/build/router/node.mjs

Multiplayer Framework for Node.js.

// packages/core/src/router/node.ts
import { URL } from "url";
import * as matchMaker from "../MatchMaker.mjs";
import { setResponse } from "@colyseus/better-call/node";
import { postMatchmakeMethod } from "./default_routes.mjs";
function readBody(req) {
  return new Promise((resolve, reject) => {
    let data = "";
    req.on("data", (chunk) => {
      data += chunk.toString();
    });
    req.on("end", () => resolve(data ? JSON.parse(data) : {}));
    req.on("error", reject);
  });
}
function getCorsHeaders(req, headers) {
  return {
    ...matchMaker.controller.DEFAULT_CORS_HEADERS,
    ...matchMaker.controller.getCorsHeaders(headers)
  };
}
function createNodeMatchmakingMiddleware() {
  return async (req, res, next) => {
    const url = new URL(req.url || "/", "http://localhost");
    const isMatchmakeRoute = url.pathname.startsWith(`/${matchMaker.controller.matchmakeRoute}/`);
    if (!isMatchmakeRoute) {
      next();
      return;
    }
    const headers = new Headers(req.headers);
    const corsHeaders = getCorsHeaders(req, headers);
    if (req.method === "OPTIONS") {
      res.writeHead(204, corsHeaders);
      res.end();
      return;
    }
    if (req.method !== "POST") {
      next();
      return;
    }
    const match = url.pathname.match(/^\/matchmake\/(\w+)\/(.+)/);
    if (!match) {
      next();
      return;
    }
    const [, method, roomName] = match;
    try {
      const response = await postMatchmakeMethod({
        params: { method, roomName },
        body: await readBody(req),
        headers: req.headers,
        request: { headers },
        asResponse: true
      });
      await setResponse(res, response);
    } catch {
      next();
    }
  };
}
export {
  createNodeMatchmakingMiddleware
};