import { setDebounce, setVideoTime, setPlaying, } from "./watch-session.mjs?v=19ef791"; import { emojify, emojis } from "./emojis.mjs?v=19ef791"; function setCaretPosition(elem, caretPos) { if (elem.createTextRange) { var range = elem.createTextRange(); range.move("character", caretPos); range.select(); } else { if (elem.selectionStart) { elem.focus(); elem.setSelectionRange(caretPos, caretPos); } else elem.focus(); } } const setupChatboxEvents = (socket) => { // clear events by just reconstructing the form const oldChatForm = document.querySelector("#chatbox-send"); const chatForm = oldChatForm.cloneNode(true); const messageInput = chatForm.querySelector("input"); const emojiAutocomplete = chatForm.querySelector("#emoji-autocomplete"); oldChatForm.replaceWith(chatForm); let autocompleting = false; const replaceMessage = (message) => () => { messageInput.value = message; autocomplete(); }; async function autocomplete() { if (autocompleting) return; emojiAutocomplete.textContent = ""; autocompleting = true; let text = messageInput.value.slice(0, messageInput.selectionStart); const match = text.match(/(:[^\s:]+)?:([^\s:]*)$/); if (!match || match[1]) return (autocompleting = false); // We don't need to autocomplete. const prefix = text.slice(0, match.index); const search = text.slice(match.index + 1); const suffix = messageInput.value.slice(messageInput.selectionStart); const select = (button) => { const selected = document.querySelector(".emoji-option.selected"); if (selected) selected.classList.remove("selected"); button.classList.add("selected"); }; emojiAutocomplete.append( ...(await emojis) .filter(([name]) => name.toLowerCase().startsWith(search.toLowerCase())) .map(([name, replaceWith, ext], i) => { const button = Object.assign(document.createElement("button"), { className: "emoji-option" + (i === 0 ? " selected" : ""), onmousedown: (e) => e.preventDefault(), onclick: () => { messageInput.value = prefix + replaceWith + " " + suffix; setCaretPosition( messageInput, (prefix + " " + replaceWith).length ); }, onmouseover: () => select(button), onfocus: () => select(button), type: "button", title: name, }); button.append( replaceWith[0] !== ":" ? Object.assign(document.createElement("span"), { textContent: replaceWith, className: "emoji", }) : Object.assign(new Image(), { loading: "lazy", src: `/emojis/${name}${ext}`, className: "emoji", }), Object.assign(document.createElement("span"), { textContent: name, className: "emoji-name", }) ); return button; }) ); if (emojiAutocomplete.children[0]) emojiAutocomplete.children[0].scrollIntoView(); autocompleting = false; } messageInput.addEventListener("input", autocomplete); messageInput.addEventListener("selectionchange", autocomplete); messageInput.addEventListener("keydown", (event) => { if (event.key == "ArrowUp" || event.key == "ArrowDown") { let selected = document.querySelector(".emoji-option.selected"); if (!selected) return; event.preventDefault(); selected.classList.remove("selected"); selected = event.key == "ArrowDown" ? selected.nextElementSibling || selected.parentElement.children[0] : selected.previousElementSibling || selected.parentElement.children[ selected.parentElement.children.length - 1 ]; selected.classList.add("selected"); selected.scrollIntoView({ scrollMode: "if-needed", block: "nearest" }); } if (event.key == "Tab") { let selected = document.querySelector(".emoji-option.selected"); if (!selected) return; event.preventDefault(); selected.onclick(); } }); chatForm.addEventListener("submit", async (e) => { e.preventDefault(); const content = messageInput.value; if (content.trim().length) { messageInput.value = ""; // handle commands if (content.startsWith("/")) { const command = content.toLowerCase().match(/^\/\S+/)[0]; const args = content.slice(command.length).trim(); let handled = false; switch (command) { case "/ping": socket.send( JSON.stringify({ op: "Ping", data: args, }) ); handled = true; break; case "/sync": const sessionId = window.location.hash.slice(1); const { current_time_ms, is_playing } = await fetch( `/sess/${sessionId}` ).then((r) => r.json()); setDebounce(); setPlaying(is_playing); setVideoTime(current_time_ms); const syncMessageContent = document.createElement("span"); syncMessageContent.appendChild( document.createTextNode("resynced you to ") ); syncMessageContent.appendChild( document.createTextNode(formatTime(current_time_ms)) ); printChatMessage("set-time", "/sync", "b57fdc", syncMessageContent); handled = true; break; case "/shrug": socket.send( JSON.stringify({ op: "ChatMessage", data: `${args} ¯\\_(ツ)_/¯`.trim(), }) ); handled = true; break; case "/help": const helpMessageContent = document.createElement("span"); helpMessageContent.innerHTML = "Available commands:
" + " /help - display this help message
" + " /ping [message] - ping all viewers
" + " /sync - resyncs you with other viewers
" + " /shrug - appends ¯\\_(ツ)_/¯ to your message"; printChatMessage( "command-message", "/help", "b57fdc", helpMessageContent ); handled = true; break; default: break; } if (handled) { return; } } // handle regular chat messages socket.send( JSON.stringify({ op: "ChatMessage", data: content, }) ); } }); }; /** * @param {WebSocket} socket */ export const setupChat = async (socket) => { document.querySelector("#chatbox-container").style["display"] = "flex"; setupChatboxEvents(socket); window.addEventListener("keydown", (event) => { try { const isSelectionEmpty = window.getSelection().toString().length === 0; if (event.code.match(/Key\w/) && isSelectionEmpty) messageInput.focus(); } catch (_err) {} }); }; const addToChat = (node) => { const chatbox = document.querySelector("#chatbox"); chatbox.appendChild(node); chatbox.scrollTop = chatbox.scrollHeight; }; let lastTimeMs = null; let lastPlaying = false; const checkDebounce = (event) => { let timeMs = null; let playing = null; if (event.op == "SetTime") { timeMs = event.data; } else if (event.op == "SetPlaying") { timeMs = event.data.time; playing = event.data.playing; } let shouldIgnore = false; if (timeMs != null) { if (lastTimeMs && Math.abs(lastTimeMs - timeMs) < 500) { shouldIgnore = true; } lastTimeMs = timeMs; } if (playing != null) { if (lastPlaying != playing) { shouldIgnore = false; } lastPlaying = playing; } return shouldIgnore; }; /** * @returns {string} */ const getCurrentTimestamp = () => { const t = new Date(); return `${matpad(t.getHours())}:${matpad(t.getMinutes())}:${matpad( t.getSeconds() )}`; }; /** * https://media.discordapp.net/attachments/834541919568527361/931678814751301632/66d2c68c48daa414c96951381665ec2e.png */ const matpad = (n) => { return ("00" + n).slice(-2); }; /** * @param {string} eventType * @param {string?} user * @param {Node?} content */ const printChatMessage = (eventType, user, colour, content) => { const chatMessage = document.createElement("div"); chatMessage.classList.add("chat-message"); chatMessage.classList.add(eventType); chatMessage.title = getCurrentTimestamp(); if (user != null) { const userName = document.createElement("strong"); userName.style = `--user-color: #${colour}`; userName.textContent = user + " "; chatMessage.appendChild(userName); } if (content != null) { chatMessage.appendChild(content); } addToChat(chatMessage); return chatMessage; }; const formatTime = (ms) => { const seconds = Math.floor((ms / 1000) % 60); const minutes = Math.floor((ms / (60 * 1000)) % 60); const hours = Math.floor((ms / (3600 * 1000)) % 3600); return `${hours < 10 ? "0" + hours : hours}:${ minutes < 10 ? "0" + minutes : minutes }:${seconds < 10 ? "0" + seconds : seconds}`; }; export const logEventToChat = async (event) => { if (checkDebounce(event)) { return; } switch (event.op) { case "UserJoin": { printChatMessage( "user-join", event.user, event.colour, document.createTextNode("joined") ); break; } case "UserLeave": { printChatMessage( "user-leave", event.user, event.colour, document.createTextNode("left") ); break; } case "ChatMessage": { const messageContent = document.createElement("span"); messageContent.classList.add("message-content"); messageContent.append(...(await emojify(event.data))); printChatMessage( "chat-message", event.user, event.colour, messageContent ); break; } case "SetTime": { const messageContent = document.createElement("span"); if (event.data.from != undefined) { messageContent.appendChild( document.createTextNode("set the time from ") ); messageContent.appendChild( document.createTextNode(formatTime(event.data.from)) ); messageContent.appendChild(document.createTextNode(" to ")); } else { messageContent.appendChild(document.createTextNode("set the time to ")); } messageContent.appendChild( document.createTextNode(formatTime(event.data.to)) ); printChatMessage("set-time", event.user, event.colour, messageContent); break; } case "SetPlaying": { const messageContent = document.createElement("span"); messageContent.appendChild( document.createTextNode( event.data.playing ? "started playing" : "paused" ) ); messageContent.appendChild(document.createTextNode(" at ")); messageContent.appendChild( document.createTextNode(formatTime(event.data.time)) ); printChatMessage("set-playing", event.user, event.colour, messageContent); break; } case "Ping": { const messageContent = document.createElement("span"); if (event.data) { messageContent.appendChild(document.createTextNode("pinged saying: ")); messageContent.appendChild(document.createTextNode(event.data)); } else { messageContent.appendChild(document.createTextNode("pinged")); } printChatMessage("ping", event.user, event.colour, messageContent); beep(); break; } } }; const beep = () => { const context = new AudioContext(); const gain = context.createGain(); gain.connect(context.destination); gain.gain.value = 0.1; const oscillator = context.createOscillator(); oscillator.connect(gain); oscillator.frequency.value = 520; oscillator.type = "square"; oscillator.start(context.currentTime); oscillator.stop(context.currentTime + 0.22); }; export const updateViewerList = (viewers) => { const listContainer = document.querySelector("#viewer-list"); // empty out the current list listContainer.innerHTML = ""; // display the updated list for (const viewer of viewers) { const viewerElem = document.createElement("div"); const content = document.createElement("strong"); content.textContent = viewer.nickname; content.style = `--user-color: #${viewer.colour}`; viewerElem.appendChild(content); listContainer.appendChild(viewerElem); } };