one/dist/esm/daemon/proxy.mjs

One is a new React Framework that makes Vite serve both native and web.

import * as http from "node:http";
import * as net from "node:net";
function proxyHttpRequest(req, res, target) {
  const headers = {
    ...req.headers,
    "x-forwarded-host": req.headers.host
  };
  if (req.socket.remoteAddress) {
    headers["x-forwarded-for"] = req.socket.remoteAddress;
  }
  const options = {
    hostname: "localhost",
    port: target.port,
    path: req.url,
    method: req.method,
    headers
  };
  const proxyReq = http.request(options, proxyRes => {
    res.writeHead(proxyRes.statusCode || 500, proxyRes.headers);
    proxyRes.pipe(res);
  });
  proxyReq.on("error", err => {
    console.error(`[daemon] Proxy error to port ${target.port}:`, err.message);
    if (!res.headersSent) {
      res.writeHead(502);
      res.end(`Bad Gateway: ${err.message}`);
    }
  });
  req.pipe(proxyReq);
}
function proxyWebSocket(req, socket, head, target) {
  const proxySocket = net.connect(target.port, "localhost", () => {
    const reqLines = [`${req.method} ${req.url} HTTP/1.1`, ...Object.entries(req.headers).map(([k, v]) => {
      if (Array.isArray(v)) return `${k}: ${v.join(", ")}`;
      return `${k}: ${v}`;
    }), "", ""];
    proxySocket.write(reqLines.join("\r\n"));
    if (head.length) {
      proxySocket.write(head);
    }
    socket.pipe(proxySocket);
    proxySocket.pipe(socket);
  });
  proxySocket.on("error", err => {
    console.error(`[daemon] WebSocket proxy error to port ${target.port}:`, err.message);
    socket.end();
  });
  socket.on("error", err => {
    console.error(`[daemon] Client socket error:`, err.message);
    proxySocket.end();
  });
  socket.on("close", () => {
    proxySocket.end();
  });
  proxySocket.on("close", () => {
    socket.end();
  });
}
export { proxyHttpRequest, proxyWebSocket };
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