Initial commit

.gitignore

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+node_modules

package.json

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+{
+    "name": "zoom-clone",
+    "version": "1.0.0",
+    "description": "",
+    "main": "index.js",
+    "scripts": {
+        "devStart": "nodemon server.js"
+    },
+    "keywords": [],
+    "author": "",
+    "license": "ISC",
+    "dependencies": {
+        "ejs": "^3.1.6",
+        "express": "^4.17.2",
+        "socket.io": "^2.4.1",
+        "uuid": "^8.3.2"
+    },
+    "devDependencies": {
+        "nodemon": "^2.0.15"
+    }
+}

public/script.js

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+const socket = io("/")
+const videos = document.getElementById("videos")
+const myPeer = new Peer()
+const myVideo = document.createElement("video")
+
+myVideo.muted = true
+
+const connectToNewUser = (userId, stream) => {
+    const call = myPeer.call(userId, stream)
+    const video = document.createElement("video")
+
+    call.on("stream", (userVideoStream) =>
+        addVideoStream(video, userVideoStream)
+    )
+
+    call.on("close", () => video.remove())
+}
+
+const addVideoStream = (video, stream) => {
+    video.srcObject = stream
+    video.addEventListener("loadedmetadata", () => video.play())
+    videos.append(video)
+}
+
+navigator.mediaDevices
+    .getUserMedia({
+        video: true,
+        audio: true,
+    })
+    .then((stream) => {
+        addVideoStream(myVideo, stream)
+        myPeer.on("call", (call) => {
+            call.answer(stream)
+            const video = document.createElement("video")
+            // const fullscreen = document.createElement("button")
+            // fullscreen.dataset.id =
+            call.on("close", () => video.remove())
+            call.on("stream", (userVideoStream) =>
+                addVideoStream(video, userVideoStream)
+            )
+        })
+
+        socket.on("user-connected", (userId) =>
+            connectToNewUser(userId, stream)
+        )
+    })
+
+socket.on("user-disconnected", (userId) => {
+    const call = myPeer.connections[userId]
+    if (call) call[0].close()
+})
+
+myPeer.on("open", (id) => socket.emit("join-room", ROOM_ID, id))

public/style.css

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+:root {
+    --primary: #14bbaa;
+    --secondary: #2c3c4c;
+}
+
+*,
+*::before,
+*::after {
+    box-sizing: border-box;
+}
+
+body {
+    margin: 0;
+    font-family: "Lato", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
+        "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji",
+        "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+    font-size: 1.2em;
+    scroll-behavior: smooth;
+    width: 100%;
+    height: 100vh;
+    grid-auto-rows: 10vh 74vh 16vh;
+    display: grid;
+}
+
+nav,
+footer {
+    background-color: var(--secondary);
+    color: white;
+    display: flex;
+    flex-direction: row;
+    align-items: center;
+    max-width: 100vw;
+    padding: 20px;
+}
+
+nav a {
+    font-size: 1.5em;
+}
+
+a {
+    margin: 0 0.5em;
+    text-decoration: none;
+    width: fit-content;
+    color: white;
+    grid-template-columns: 1fr 500px;
+}
+
+#videos {
+    display: grid;
+    grid-template-columns: repeat(auto-fit, minmax(33%, 1fr));
+    grid-template-rows: repeat(auto-fit, minmax(33%, 1fr));
+    background-color: var(--primary);
+    color: white;
+    padding: 4px 0 4px 0;
+    gap: 2px;
+}
+
+video {
+    width: 100%;
+    max-height: 100%;
+}
+
+button {
+    border: none;
+    border-radius: 2em;
+    color: #f5f0f0;
+    background-color: transparent;
+    font-size: 1em;
+    padding: 0.7rem 1.6rem;
+    text-decoration: none;
+}
+
+.button-primary {
+    background-color: var(--primary);
+}
+
+.medium-header {
+    font-size: 2.5rem;
+    font-weight: 200;
+    line-height: 1.2;
+    margin-bottom: 20px;
+}
+
+.button-secondary {
+    background-color: var(--secondary);
+}
+
+button:not(:disabled) {
+    cursor: pointer;
+}
+
+button:is(:disabled, :hover) {
+    filter: brightness(0.9);
+}
+
+video.your-video {
+    display: none;
+}

server.js

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+const express = require("express")
+const app = express()
+const server = require("http").Server(app)
+const io = require("socket.io")(server)
+const { v4: uuidV4 } = require("uuid")
+
+app.set("view engine", "ejs")
+app.use(express.static("public"))
+
+app.get("/", (_, res) => res.redirect(`/${uuidV4()}`))
+
+app.get("/:room", (req, res) => res.render("room", { roomId: req.params.room }))
+
+io.on("connection", (socket) =>
+    socket.on("join-room", (roomId, userId) => {
+        socket.join(roomId)
+        socket.to(roomId).emit("user-connected", userId)
+
+        socket.on("disconnect", () => {
+            socket.to(roomId).broadcast.emit("user-disconnected", userId)
+        })
+    })
+)
+
+server.listen(3000)

views/room.ejs

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+<!DOCTYPE html>
+<html lang="en">
+    <head>
+        <meta charset="UTF-8" />
+        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+        <meta http-equiv="X-UA-Compatible" content="ie=edge" />
+        <script>
+            const ROOM_ID = "<%= roomId %>"
+        </script>
+        <script
+            src="https://unpkg.com/peerjs@1.3.1/dist/peerjs.min.js"
+            defer
+        ></script>
+        <script src="/socket.io/socket.io.js" defer></script>
+        <script src="script.js" defer></script>
+        <link rel="stylesheet" href="style.css" />
+        <title>Document</title>
+    </head>
+    <body>
+        <nav><a href="#">Home</a></nav>
+        <div id="videos"></div>
+        <footer></footer>
+    </body>
+</html>