forked from lavender/watch-party
269 lines
7.1 KiB
JavaScript
269 lines
7.1 KiB
JavaScript
const setupChatboxEvents = (socket) => {
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// clear events by just reconstructing the form
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const oldChatForm = document.querySelector("#chatbox-send");
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const chatForm = oldChatForm.cloneNode(true);
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oldChatForm.replaceWith(chatForm);
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chatForm.addEventListener("submit", (e) => {
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e.preventDefault();
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const input = chatForm.querySelector("input");
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const content = input.value;
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if (content.trim().length) {
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input.value = "";
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if (
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content.toLowerCase() == "/ping" ||
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content.toLowerCase().startsWith("/ping ")
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) {
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socket.send(
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JSON.stringify({
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op: "Ping",
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data: content.slice(5).trim(),
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})
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);
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} else {
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socket.send(
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JSON.stringify({
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op: "ChatMessage",
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data: content,
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})
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);
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}
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}
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});
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};
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const fixChatSize = () => {
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const video = document.querySelector("video");
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const chatbox = document.querySelector("#chatbox");
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const chatboxContainer = document.querySelector("#chatbox-container");
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if (video && chatbox && chatboxContainer) {
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const delta = chatboxContainer.clientHeight - chatbox.clientHeight;
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chatbox.style["height"] = `calc(${
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window.innerHeight - video.clientHeight
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}px - ${delta}px - 1em)`;
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}
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};
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/**
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* @param {WebSocket} socket
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*/
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export const setupChat = async (socket) => {
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document.querySelector("#chatbox-container").style["display"] = "block";
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setupChatboxEvents(socket);
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window.addEventListener("keydown", (event) => {
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try {
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const isSelectionEmpty = window.getSelection().toString().length === 0;
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if (event.code.match(/Key\w/) && isSelectionEmpty)
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document.querySelector("#chatbox-send > input").focus();
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} catch (_err) {}
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});
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fixChatSize();
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window.addEventListener("resize", () => {
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fixChatSize();
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});
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};
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const addToChat = (node) => {
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const chatbox = document.querySelector("#chatbox");
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chatbox.appendChild(node);
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chatbox.scrollTop = chatbox.scrollHeight;
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};
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let lastTimeMs = null;
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let lastPlaying = false;
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const checkDebounce = (event) => {
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let timeMs = null;
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let playing = null;
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if (event.op == "SetTime") {
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timeMs = event.data;
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} else if (event.op == "SetPlaying") {
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timeMs = event.data.time;
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playing = event.data.playing;
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}
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let shouldIgnore = false;
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if (timeMs != null) {
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if (lastTimeMs && Math.abs(lastTimeMs - timeMs) < 500) {
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shouldIgnore = true;
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}
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lastTimeMs = timeMs;
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}
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if (playing != null) {
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if (lastPlaying != playing) {
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shouldIgnore = false;
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}
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lastPlaying = playing;
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}
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return shouldIgnore;
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};
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/**
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* @returns {string}
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*/
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const getCurrentTimestamp = () => {
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const t = new Date();
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return `${matpad(t.getHours())}:${matpad(t.getMinutes())}:${matpad(
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t.getSeconds()
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)}`;
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};
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/**
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* https://media.discordapp.net/attachments/834541919568527361/931678814751301632/66d2c68c48daa414c96951381665ec2e.png
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*/
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const matpad = (n) => {
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return ("00" + n).slice(-2);
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};
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/**
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* @param {string} eventType
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* @param {string?} user
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* @param {Node?} content
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*/
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const printChatMessage = (eventType, user, colour, content) => {
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const chatMessage = document.createElement("div");
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chatMessage.classList.add("chat-message");
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chatMessage.classList.add(eventType);
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chatMessage.title = getCurrentTimestamp();
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if (user != null) {
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const userName = document.createElement("strong");
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userName.style = `color: #${colour}`;
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userName.textContent = user;
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chatMessage.appendChild(userName);
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}
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chatMessage.appendChild(document.createTextNode(" "));
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if (content != null) {
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chatMessage.appendChild(content);
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}
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addToChat(chatMessage);
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return chatMessage;
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};
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const formatTime = (ms) => {
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const seconds = Math.floor((ms / 1000) % 60);
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const minutes = Math.floor((ms / (60 * 1000)) % 60);
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const hours = Math.floor((ms / (3600 * 1000)) % 3600);
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return `${hours < 10 ? "0" + hours : hours}:${
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minutes < 10 ? "0" + minutes : minutes
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}:${seconds < 10 ? "0" + seconds : seconds}`;
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};
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export const logEventToChat = (event) => {
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if (checkDebounce(event)) {
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return;
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}
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switch (event.op) {
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case "UserJoin": {
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printChatMessage(
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"user-join",
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event.user,
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event.colour,
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document.createTextNode("joined")
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);
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break;
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}
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case "UserLeave": {
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printChatMessage(
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"user-leave",
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event.user,
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event.colour,
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document.createTextNode("left")
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);
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break;
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}
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case "ChatMessage": {
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const messageContent = document.createElement("span");
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messageContent.classList.add("message-content");
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messageContent.textContent = event.data;
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printChatMessage(
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"chat-message",
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event.user,
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event.colour,
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messageContent
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);
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break;
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}
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case "SetTime": {
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const messageContent = document.createElement("span");
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if (event.data.from != undefined) {
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messageContent.appendChild(
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document.createTextNode("set the time from ")
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);
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messageContent.appendChild(
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document.createTextNode(formatTime(event.data.from))
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);
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messageContent.appendChild(document.createTextNode(" to "));
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} else {
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messageContent.appendChild(document.createTextNode("set the time to "));
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}
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messageContent.appendChild(
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document.createTextNode(formatTime(event.data.to))
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);
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printChatMessage("set-time", event.user, event.colour, messageContent);
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break;
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}
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case "SetPlaying": {
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const messageContent = document.createElement("span");
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messageContent.appendChild(
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document.createTextNode(
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event.data.playing ? "started playing" : "paused"
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)
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);
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messageContent.appendChild(document.createTextNode(" at "));
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messageContent.appendChild(
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document.createTextNode(formatTime(event.data.time))
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);
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printChatMessage("set-playing", event.user, event.colour, messageContent);
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break;
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}
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case "Ping": {
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const messageContent = document.createElement("span");
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if (event.data) {
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messageContent.appendChild(document.createTextNode("pinged saying: "));
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messageContent.appendChild(document.createTextNode(event.data));
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} else {
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messageContent.appendChild(document.createTextNode("pinged"));
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}
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printChatMessage("ping", event.user, event.colour, messageContent);
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beep();
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break;
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}
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}
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};
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const beep = () => {
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const context = new AudioContext();
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const gain = context.createGain();
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gain.connect(context.destination);
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gain.gain.value = 0.1;
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const oscillator = context.createOscillator();
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oscillator.connect(gain);
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oscillator.frequency.value = 520;
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oscillator.type = "square";
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oscillator.start(context.currentTime);
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oscillator.stop(context.currentTime + 0.22);
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};
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