server.js

const express = require("express");
const path = require("path");

const app = express();
const server = require("http").createServer(app);

const io = require("socket.io")(server);

app.use(express.static(path.join(__dirname, "/public")));

io.on("connection", function (socket) {
  socket.on("sender-join", function (data) {
    socket.join(data.uid);
  });
  socket.on("receiver-join", function (data) {
    socket.join(data.uid);
    socket.in(data.sender_uid).emit("init", data.uid);
  });
  socket.on("file-meta", function (data) {
    socket.in(data.uid).emit("fs-meta", data.metadata);
  });
  socket.on("fs-start", function (data) {
    socket.in(data.uid).emit("fs-share", {});
  });
  socket.on("file-raw", function (data) {
    socket.in(data.uid).emit("fs-share", data.buffer);
  });
});

app.get("/send", (req, res) => {
  res.sendFile(path.join(__dirname, "/public/sender.html"));
});
app.get("/receive",(req,res)=> {
  res.sendFile(path.join(__dirname,"/public/receiver.html"))
})
server.listen(5000, () => {
  console.log("Server is running on port 5000");
});