diff options
Diffstat (limited to 'public')
-rw-r--r-- | public/index.html | 1 | ||||
-rw-r--r-- | public/main.js | 12 | ||||
-rw-r--r-- | public/sock.js | 43 |
3 files changed, 53 insertions, 3 deletions
diff --git a/public/index.html b/public/index.html index c3828a5..a5892c1 100644 --- a/public/index.html +++ b/public/index.html @@ -11,6 +11,7 @@ <body> <h1>nomicvote</h1> + <script src="sock.js"></script> <script src="main.js"></script> </body> </html> diff --git a/public/main.js b/public/main.js index b3c7986..46d5432 100644 --- a/public/main.js +++ b/public/main.js @@ -2,9 +2,15 @@ document.addEventListener("DOMContentLoaded", async () => { "use strict" const $ = s => document.querySelector(s); const secure = location.protocol === "https:"; -const sock = new WebSocket(`ws${secure?"s":""}://${location.host}/ws`); +sock.init(`ws${secure?"s":""}://${location.host}/ws`); -sock.onmessage = e => console.log("sock", e); -sock.onopen = () => sock.send("yay"); +sock.on("hello", e => { + console.log("hello", e); + sock.send("world", {foo:"bar"}); +}); + +sock.on("yay", e => { + console.log("yay", e); +}); }); diff --git a/public/sock.js b/public/sock.js new file mode 100644 index 0000000..8cc73f0 --- /dev/null +++ b/public/sock.js @@ -0,0 +1,43 @@ +const sock = (() => { "use strict" +const refresh = () => setTimeout(() => location.reload(), 1e3); + +let ws, pingTimeout; +const prequeue = []; +const handlers = { + "reset": [refresh], + "ping": [() => { + clearTimeout(pingTimeout); + pingTimeout = setTimeout(refresh, 3e4); + sock.send("pong", {}); + }], +}; + +const sock = { + init: url => { + ws = new WebSocket(url); + ws.addEventListener("close", refresh); + ws.addEventListener("error", refresh); + ws.addEventListener("message", e => { + const d = JSON.parse(e.data); + (handlers[d.type]||[]).forEach(cb => cb(d.data)); + }); + ws.addEventListener("open", e => { + while (prequeue.length) sock.send(...prequeue.shift()); + (handlers["open"]||[]).forEach(cb => cb()); + delete handlers["open"]; + }); + }, + + on: (type, cb) => { + if (type === "open" && ws && ws.readyState === WebSocket.OPEN) cb(); + else (handlers[type]||(handlers[type]=[])).push(cb); + }, + + send: (type, data) => { + if (ws && ws.readyState === WebSocket.OPEN) + ws.send(JSON.stringify({type, data})); + else prequeue.push([type, data]); + }, +}; + +return sock })(); |