plastic041/index.ts

## index.ts
import { serve } from "https://deno.land/std@0.162.0/http/server.ts";
import { Server } from "https://deno.land/x/socket_io@0.2.0/mod.ts";
import { Hono } from "https://deno.land/x/hono@v3.0.0/mod.ts";
import { logger, html } from "https://deno.land/x/hono@v3.0.0/middleware.ts";

const app = new Hono();

app.use("*", logger());
app.get("/", (c) => {
  return c.html(
    html`<html>
      <head>
        <title>Socket.IO chat</title>
        <style>
          body {
            margin: 0;
            padding-bottom: 3rem;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
              Helvetica, Arial, sans-serif;
          }

          #form {
            background: rgba(0, 0, 0, 0.15);
            padding: 0.25rem;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            display: flex;
            height: 3rem;
            box-sizing: border-box;
            backdrop-filter: blur(10px);
          }
          #input {
            border: none;
            padding: 0 1rem;
            flex-grow: 1;
            border-radius: 2rem;
            margin: 0.25rem;
          }
          #input:focus {
            outline: none;
          }
          #form > button {
            background: #333;
            border: none;
            padding: 0 1rem;
            margin: 0.25rem;
            border-radius: 3px;
            outline: none;
            color: #fff;
          }

          #messages {
            list-style-type: none;
            margin: 0;
            padding: 0;
          }
          #messages > li {
            padding: 0.5rem 1rem;
          }
          #messages > li:nth-child(odd) {
            background: #efefef;
          }
        </style>
      </head>
      <body>
        <ul id="messages"></ul>
        <form id="form" action="">
          <input id="input" autocomplete="off" /><button>Send</button>
        </form>
        <script src="https://cdn.socket.io/4.5.4/socket.io.min.js"></script>
        <script>
          var socket = io();

          var messages = document.getElementById("messages");
          var form = document.getElementById("form");
          var input = document.getElementById("input");

          form.addEventListener("submit", function (e) {
            e.preventDefault();
            if (input.value) {
              socket.emit("chat message", input.value);
              input.value = "";
            }
          });

          socket.on("chat message", function (msg) {
            var item = document.createElement("li");
            item.textContent = msg;
            messages.appendChild(item);
            window.scrollTo(0, document.body.scrollHeight);
          });
        </script>
      </body>
    </html>`
  );
});

const io = new Server();

io.on("connection", (socket) => {
  console.log(`socket connected: ${socket.id}`);

  socket.on("chat message", (msg) => {
    io.emit("chat message", msg);
  });

  socket.on("disconnect", (reason) => {
    console.log(`socket disconnected: ${socket.id} for ${reason}`);
  });
});

const handler = io.handler(async (req) => {
  return await app.fetch(req);
});

await serve(handler, {
  port: 3000,
});
	import { serve } from "https://deno.land/std@0.162.0/http/server.ts";
	import { Server } from "https://deno.land/x/socket_io@0.2.0/mod.ts";
	import { Hono } from "https://deno.land/x/hono@v3.0.0/mod.ts";
	import { logger, html } from "https://deno.land/x/hono@v3.0.0/middleware.ts";

	const app = new Hono();

	app.use("*", logger());
	app.get("/", (c) => {
	return c.html(
	html`<html>
	<head>
	<title>Socket.IO chat</title>
	<style>
	body {
	margin: 0;
	padding-bottom: 3rem;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
	Helvetica, Arial, sans-serif;
	}

	#form {
	background: rgba(0, 0, 0, 0.15);
	padding: 0.25rem;
	position: fixed;
	bottom: 0;
	left: 0;
	right: 0;
	display: flex;
	height: 3rem;
	box-sizing: border-box;
	backdrop-filter: blur(10px);
	}
	#input {
	border: none;
	padding: 0 1rem;
	flex-grow: 1;
	border-radius: 2rem;
	margin: 0.25rem;
	}
	#input:focus {
	outline: none;
	}
	#form > button {
	background: #333;
	border: none;
	padding: 0 1rem;
	margin: 0.25rem;
	border-radius: 3px;
	outline: none;
	color: #fff;
	}

	#messages {
	list-style-type: none;
	margin: 0;
	padding: 0;
	}
	#messages > li {
	padding: 0.5rem 1rem;
	}
	#messages > li:nth-child(odd) {
	background: #efefef;
	}
	</style>
	</head>
	<body>
	<ul id="messages"></ul>
	<form id="form" action="">
	<input id="input" autocomplete="off" /><button>Send</button>
	</form>
	<script src="https://cdn.socket.io/4.5.4/socket.io.min.js"></script>
	<script>
	var socket = io();

	var messages = document.getElementById("messages");
	var form = document.getElementById("form");
	var input = document.getElementById("input");

	form.addEventListener("submit", function (e) {
	e.preventDefault();
	if (input.value) {
	socket.emit("chat message", input.value);
	input.value = "";
	}
	});

	socket.on("chat message", function (msg) {
	var item = document.createElement("li");
	item.textContent = msg;
	messages.appendChild(item);
	window.scrollTo(0, document.body.scrollHeight);
	});
	</script>
	</body>
	</html>`
	);
	});

	const io = new Server();

	io.on("connection", (socket) => {
	console.log(`socket connected: ${socket.id}`);

	socket.on("chat message", (msg) => {
	io.emit("chat message", msg);
	});

	socket.on("disconnect", (reason) => {
	console.log(`socket disconnected: ${socket.id} for ${reason}`);
	});
	});

	const handler = io.handler(async (req) => {
	return await app.fetch(req);
	});

	await serve(handler, {
	port: 3000,
	});