trpc-sveltekit/dist/websocket/svelteKitServer.js

SvelteKit adapter for tRPC.io, working with Node.js, Vercel and Netlify

import * as path from 'path';
import * as url from 'url';
import { WebSocketServer } from 'ws';
export const GlobalThisWSS = Symbol.for('trpc.sveltekit.wss');
export function onHttpServerUpgrade(req, sock, head) {
    const pathname = url.parse(req.url).pathname;
    if (pathname !== '/trpc')
        return;
    const wss = globalThis[GlobalThisWSS];
    wss.handleUpgrade(req, sock, head, function done(ws) {
        wss.emit('connection', ws, req);
    });
}
export function createWSSGlobalInstance() {
    const wss = new WebSocketServer({
        noServer: true
    });
    globalThis[GlobalThisWSS] = wss;
    return wss;
}
export async function SvelteKitTRPCWSServer(import_meta_url) {
    const __filename = url.fileURLToPath(import_meta_url);
    const __dirname = path.dirname(__filename);
    createWSSGlobalInstance();
    const { server } = await import(/* @vite-ignore */ path.resolve(__dirname, './build/index.js'));
    server.server.on('upgrade', onHttpServerUpgrade);
}