460 lines
14 KiB
JavaScript
460 lines
14 KiB
JavaScript
import {
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setDebounce,
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setVideoTime,
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setPlaying,
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} from "./watch-session.mjs?v=ee93fb";
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import { emojify, findEmojis } from "./emojis.mjs?v=ee93fb";
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import { linkify } from "./links.mjs?v=ee93fb";
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import { joinSession } from "./watch-session.mjs?v=ee93fb";
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import { pling } from "./pling.mjs?v=ee93fb";
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import { state } from "./state.mjs";
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function setCaretPosition(elem, caretPos) {
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if (elem.createTextRange) {
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var range = elem.createTextRange();
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range.move("character", caretPos);
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range.select();
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} else {
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if (elem.selectionStart) {
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elem.focus();
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elem.setSelectionRange(caretPos, caretPos);
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} else elem.focus();
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}
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}
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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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const messageInput = chatForm.querySelector("input");
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const emojiAutocomplete = chatForm.querySelector("#emoji-autocomplete");
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oldChatForm.replaceWith(chatForm);
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let autocompleting = false,
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showListTimer;
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const replaceMessage = (message) => () => {
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messageInput.value = message;
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autocomplete();
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};
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async function autocomplete(fromListTimeout) {
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if (autocompleting) return;
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try {
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clearInterval(showListTimer);
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emojiAutocomplete.textContent = "";
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autocompleting = true;
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let text = messageInput.value.slice(0, messageInput.selectionStart);
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const match = text.match(/(:[^\s:]+)?:([^\s:]{2,})$/);
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if (!match || match[1]) return (autocompleting = false); // We don't need to autocomplete.
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const prefix = text.slice(0, match.index);
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const search = text.slice(match.index + 1);
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if (search.length < 1 && !fromListTimeout) {
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autocompleting = false;
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showListTimer = setTimeout(() => autocomplete(true), 500);
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return;
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}
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const suffix = messageInput.value.slice(messageInput.selectionStart);
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let selected;
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const select = (button) => {
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if (selected) selected.classList.remove("selected");
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selected = button;
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button.classList.add("selected");
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};
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let results = await findEmojis(search);
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let yieldAt = performance.now() + 13;
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for (let i = 0; i < results.length; i += 100) {
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emojiAutocomplete.append.apply(
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emojiAutocomplete,
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results.slice(i, i + 100).map(([name, replaceWith, ext], i) => {
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const button = Object.assign(document.createElement("button"), {
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className: "emoji-option",
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onmousedown: (e) => e.preventDefault(),
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onclick: () => {
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messageInput.value = prefix + replaceWith + " " + suffix;
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setCaretPosition(
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messageInput,
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(prefix + " " + replaceWith).length
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);
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},
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onmouseover: () => select(button),
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onfocus: () => select(button),
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type: "button",
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title: name,
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});
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button.append(
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replaceWith[0] !== ":"
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? Object.assign(document.createElement("span"), {
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textContent: replaceWith,
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className: "emoji",
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})
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: Object.assign(new Image(), {
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loading: "lazy",
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src: `/emojis/${name}${ext}`,
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className: "emoji",
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}),
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Object.assign(document.createElement("span"), {
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textContent: name,
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className: "emoji-name",
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})
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);
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return button;
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})
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);
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if (i == 0 && emojiAutocomplete.children[0]) {
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emojiAutocomplete.children[0].scrollIntoView();
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select(emojiAutocomplete.children[0]);
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}
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const now = performance.now();
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if (now > yieldAt) {
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yieldAt = now + 13;
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await new Promise((cb) => setTimeout(cb, 0));
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}
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}
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autocompleting = false;
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} catch (e) {
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autocompleting = false;
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}
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}
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messageInput.addEventListener("input", () => autocomplete());
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messageInput.addEventListener("selectionchange", () => autocomplete());
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messageInput.addEventListener("keydown", (event) => {
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if (event.key == "ArrowUp" || event.key == "ArrowDown") {
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let selected = document.querySelector(".emoji-option.selected");
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if (!selected) return;
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event.preventDefault();
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selected.classList.remove("selected");
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selected =
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event.key == "ArrowDown"
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? selected.nextElementSibling || selected.parentElement.children[0]
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: selected.previousElementSibling ||
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selected.parentElement.children[
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selected.parentElement.children.length - 1
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];
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selected.classList.add("selected");
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selected.scrollIntoView({ scrollMode: "if-needed", block: "nearest" });
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}
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if (event.key == "Tab" || event.key == "Enter") {
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let selected = document.querySelector(".emoji-option.selected");
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if (!selected) return;
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event.preventDefault();
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selected.onclick();
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}
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});
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chatForm.addEventListener("submit", async (e) => {
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e.preventDefault();
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const content = messageInput.value;
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if (content.trim().length) {
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messageInput.value = "";
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// handle commands
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if (content.startsWith("/")) {
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const command = content.toLowerCase().match(/^\/\S+/)[0];
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const args = content.slice(command.length).trim();
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let handled = false;
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switch (command) {
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case "/ping":
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socket.send(
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JSON.stringify({
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op: "Ping",
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data: args,
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})
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);
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handled = true;
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break;
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case "/sync":
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const sessionId = window.location.hash.slice(1);
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const { current_time_ms, is_playing } = await fetch(
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`/sess/${sessionId}`
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).then((r) => r.json());
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setDebounce();
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setPlaying(is_playing);
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setVideoTime(current_time_ms);
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const syncMessageContent = document.createElement("span");
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syncMessageContent.appendChild(
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document.createTextNode("resynced you to ")
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);
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syncMessageContent.appendChild(
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document.createTextNode(formatTime(current_time_ms))
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);
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printChatMessage("set-time", "/sync", "b57fdc", syncMessageContent);
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handled = true;
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break;
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case "/shrug":
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socket.send(
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JSON.stringify({
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op: "ChatMessage",
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data: `${args} ¯\\_(ツ)_/¯`.trim(),
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})
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);
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handled = true;
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break;
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case "/join":
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state().sessionId = args;
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joinSession();
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handled = true;
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break;
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case "/help":
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const helpMessageContent = document.createElement("span");
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helpMessageContent.innerHTML =
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"Available commands:<br>" +
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" <code>/help</code> - display this help message<br>" +
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" <code>/ping [message]</code> - ping all viewers<br>" +
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" <code>/sync</code> - resyncs you with other viewers<br>" +
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" <code>/shrug</code> - appends ¯\\_(ツ)_/¯ to your message<br>" +
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" <code>/join [session id]</code> - joins another session";
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printChatMessage(
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"command-message",
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"/help",
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"b57fdc",
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helpMessageContent
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);
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handled = true;
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break;
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default:
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break;
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}
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if (handled) {
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return;
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}
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}
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// handle regular chat messages
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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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* @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"] = "flex";
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setupChatboxEvents(socket);
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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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export 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 = `--user-color: #${colour}`;
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userName.textContent = user + " ";
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chatMessage.appendChild(userName);
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}
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if (content != null) {
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chatMessage.appendChild(content);
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}
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addToChat(chatMessage);
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return chatMessage;
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};
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const formatTime = (ms) => {
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const seconds = Math.floor((ms / 1000) % 60);
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const minutes = Math.floor((ms / (60 * 1000)) % 60);
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const hours = Math.floor((ms / (3600 * 1000)) % 3600);
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return `${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 = async (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.append(...(await linkify(event.data, emojify)));
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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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pling();
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if ("Notification" in window) {
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const title = "watch party :)";
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const options = {
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body: event.data
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? `${event.user} pinged saying: ${event.data}`
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: `${event.user} pinged`,
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};
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if (Notification.permission === "granted") {
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new Notification(title, options);
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} else if (Notification.permission !== "denied") {
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Notification.requestPermission().then(function (permission) {
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if (permission === "granted") {
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new Notification(title, options);
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}
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});
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}
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}
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break;
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}
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}
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};
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export const updateViewerList = (viewers) => {
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const listContainer = document.querySelector("#viewer-list");
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// empty out the current list
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listContainer.innerHTML = "";
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// display the updated list
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for (const viewer of viewers) {
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const viewerElem = document.createElement("div");
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const content = document.createElement("strong");
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content.textContent = viewer.nickname;
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content.style = `--user-color: #${viewer.colour}`;
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viewerElem.appendChild(content);
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listContainer.appendChild(viewerElem);
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}
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};
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