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hono + socket.io
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import { serve } from "https://deno.land/[email protected]/http/server.ts"; | |
import { Server } from "https://deno.land/x/[email protected]/mod.ts"; | |
import { Hono } from "https://deno.land/x/[email protected]/mod.ts"; | |
import { logger, html } from "https://deno.land/x/[email protected]/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, | |
}); |
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