mirror of
https://github.com/oven-sh/bun
synced 2026-02-09 18:38:55 +00:00
90 lines
1.6 KiB
JavaScript
90 lines
1.6 KiB
JavaScript
// To run this example:
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//
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// bun --hot bun-hot-websockets.js
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//
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const css = ([inner]) => {
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return inner;
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};
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const styles = css`
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#bun {
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margin: 0 auto;
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margin-top: 200px;
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object-fit: cover;
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}
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html,
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body {
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margin: 0;
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padding: 0;
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}
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body {
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background: #f1239f;
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font-family: "Inter", sans-serif;
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display: flex;
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align-items: center;
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justify-content: center;
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align-content: center;
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color: white;
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}
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h1 {
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padding: 0;
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text-align: center;
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font-size: 3rem;
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-webkit-text-stroke: 2px black;
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}
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* {
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box-sizing: border-box;
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}
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`;
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Bun.serve({
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websocket: {
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message(ws, msg) {
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ws.send(styles);
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},
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},
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fetch(req, server) {
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if (req.url.endsWith("/hot")) {
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if (server.upgrade(req))
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return new Response("", {
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status: 101,
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});
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}
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return new Response(
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`
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>WebSockets</title>
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</head>
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<body>
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<style></style>
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<script>
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const ws = new WebSocket("ws://localhost:3000/hot");
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const style = document.querySelector("style");
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ws.onmessage = (e) => {
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style.innerHTML = e.data;
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};
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setInterval(() => {
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ws.send("ping");
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}, 8);
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</script>
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<div id="app">
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<img src="https://bun.com/logo.svg" alt="Bun" id='bun' />
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<h1>bun --hot websockets</h1>
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</div>
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</body>
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`,
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{
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headers: {
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"Content-Type": "text/html; charset=utf-8",
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},
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},
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);
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},
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});
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