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function addMessage(author, message) {
const messages = document.getElementById("messages");
if (!messages) {
return;
}
const elem = document.createElement("p");
elem.classList.add("message");
elem.innerHTML = `<span class="author">${author}:</span> ${message}`;
messages.append(elem);
window.scrollTo(0, document.body.scrollHeight);
}
function connectToChat(host, nick, password, room) {
const socket = new WebSocket(host);
socket.addEventListener("open", () => {
socket.send(`NICK ${nick}`);
socket.send(`PASS ${password}`);
socket.send("CAP REQ :twitch.tv/tags");
socket.send(`JOIN #${room}`);
addMessage("Chat", "Connected!");
});
socket.addEventListener("message", (e) => {
const lines = e.data.split("\r\n");
for (const line of lines) {
const l = line.trim();
if (l.length == 0) {
continue;
}
addMessage("Message", l);
}
});
socket.addEventListener("close", (e) => {
addMessage("Chat", `Disconnected: ${e.reason}`);
addMessage("Chat", "Reconnecting in 5 seconds...");
setTimeout(() => connectToChat(host, nick, password, room), 5000);
});
}
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