gpg: Signature made Fri 04 Sep 2026 00:58:11 IST
gpg: using EDDSA key 25BB975698147F3F76719E0C60B5F0386E3DDB7Egpg: using EDDSA key 25BB975698147F3F76719E0C60B5F0386E3DDB7E gpg: Good signature from "ari melody <ari@arimelody.space>" [ultimate] gpg: aka "ari melody <ari@arimelody.me>" [ultimate] initial design for new chat widget
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4d0efce2e0
commit
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GPG key ID:
60B5F0386E3DDB7E
8 changed files with 359 additions and 17 deletions
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@ -213,15 +213,16 @@ func (srv *Service) handleNotification(payload *api.EventSubPayload) error {
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if event.MessageType == api.MESSAGE_CHANNEL_POINTS_HIGHLIGHTED {
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modifier = CHAT_MODIFIER_HIGHLIGHT
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log.Printf("Highlighted from %s: %s", event.ChatterLogin, event.Message.Text)
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log.Printf("Highlighted from %s: %s", event.ChatterName, event.Message.Text)
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} else {
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log.Printf("%s: %s", event.ChatterLogin, event.Message.Text)
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log.Printf("%s: %s", event.ChatterName, event.Message.Text)
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}
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srv.ChatC <- &chatMessage{
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ID: event.MessageID,
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Username: event.ChatterLogin,
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Username: event.ChatterName,
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Colour: event.Color,
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Badges: event.Badges,
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Text: event.Message.Text,
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Fragments: event.Message.Fragments,
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Modifier: modifier,
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@ -4,7 +4,6 @@
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Twitch Chat</title>
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<link rel="stylesheet" href="/public/fonts/inter/inter.css">
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<link rel="stylesheet" href="/twitch/public/chat.css">
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</head>
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<body>
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@ -0,0 +1,95 @@
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/*
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@font-face {
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font-family: 'Darumadrop One';
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src: url('/public/fonts/darumadrop-one/DarumadropOne-Regular.ttf') format('truetype');
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}
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*/
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@import url('https://fonts.googleapis.com/css2?family=Darumadrop+One&display=swap');
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body {
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min-height: 100vh;
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margin: 0;
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padding: 0;
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background: hsl(0 0 50%);
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}
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#chat {
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position: relative;
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top: .33em;
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min-height: calc(100vh - .66em);
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max-width: 600px;
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margin: .33em;
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display: flex;
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flex-direction: column;
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justify-content: end;
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gap: .25em;
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font-family: "Darumadrop One", sans-serif;
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font-size: 32px;
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line-height: 1em;
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word-wrap: break-word;
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&.end {
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text-align: end;
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align-items: end;
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}
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}
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.message {
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width: 100%;
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--colour: hsl(0 0 75%);
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color: hsl(0 0 100%);
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text-shadow: .05em .05em 0 hsl(0 0 0 / 75%);
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&.system {
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width: 420px;
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margin: 0 1em;
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display: flex;
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flex-direction: row;
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--colour: hsl(0 0 100%);
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color: var(--colour);
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&.follow { --hue: 128; }
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&.subscribe { --hue: 284; }
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&.cheer { --hue: 222; }
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&.raid { --hue: 28; }
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&.poll { --hue: 269; }
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&.shoutout { --hue: 104; }
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&.point-redeem { --hue: 338; }
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&.follow, &.subscribe, &.cheer, &.raid, &.poll, &.shoutout, &.point-redeem {
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--colour: oklch(80% 80% var(--hue) / 100%);
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}
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.icon {
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height: .5em;
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margin-top: .3em;
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margin-right: .2em;
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transform: translateY(.15em);
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aspect-ratio: 1;
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background-color: var(--colour);
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border-radius: 100%;
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box-shadow: .05em .05em 0 hsl(0 0 0 / 75%);
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}
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}
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p { margin: 0; }
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.header {
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color: var(--colour);
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}
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.content {
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z-index: 1;
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position: relative;
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}
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}
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@ -1,4 +1,98 @@
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const chatContainer = document.getElementById("chat");
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const end = new URLSearchParams(location.search).get("end") !== null;
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class ChatMessage {
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get username() { return this._username; }
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set username(username) {
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this._username = username;
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this._usernameEl.innerText = username;
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}
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get content() { return this._content; }
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set content(content) {
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this._content = content;
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this._contentEl.innerText = content;
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}
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get colour() { return this._colour; }
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set colour(colour) {
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this._colour = colour;
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if (colour != undefined)
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this._container.style.setProperty("--colour", colour);
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}
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get element() { return this._container; }
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destroy() {
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this._container.remove();
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}
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constructor(message) {
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this._headerEl = document.createElement('div');
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this._headerEl.className = "header";
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// TODO: assemble badges in header, before username
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this._usernameEl = document.createElement('p');
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this._usernameEl.className = "username";
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this.username = message.username;
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this._headerEl.appendChild(this._usernameEl);
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this._contentEl = document.createElement('p');
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this._contentEl.className = "content";
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// TODO: build message content from fragments
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// TODO: 7TV emotes (stretch goal: FFZ emotes)
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this.content = message.text;
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this._container = document.createElement("div");
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this._container.className = "message";
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this._container.dataset.id = message.id;
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this._container.dataset.username = message.username;
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// TODO: generate and cache random colour for users that do not have one
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this.colour = message.colour;
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this._container.appendChild(this._headerEl);
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this._container.appendChild(this._contentEl);
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}
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}
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class SystemMessage {
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get text() { return this._text; }
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set text(text) {
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this._text = text;
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this._textEl.innerText = text;
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}
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get type() { return this._type; }
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set type(type) {
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this._type = type;
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this._container.className = ["message", "system", type].join(" ").trim();
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}
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get element() { return this._container; }
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destroy() {
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this._container.remove();
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}
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constructor(text, type) {
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// TODO: actual icon designs for system messages
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this._iconEl = document.createElement('div');
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this._iconEl.className = "icon";
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this._textEl = document.createElement('p');
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this._textEl.className = "text";
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this.text = text;
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this._container = document.createElement("div");
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this.type = type;
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this._container.appendChild(this._iconEl);
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this._container.appendChild(this._textEl);
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}
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}
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async function sync() {
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let eventSource;
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@ -20,10 +114,16 @@ async function sync() {
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});
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eventSource.addEventListener("chat", event => {
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console.log(`[${chat}] ${event.data}`);
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const messageEl = document.createElement("p");
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messageEl.innerText = event.data;
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chatContainer.appendChild(messageEl);
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handleChatMessage(JSON.parse(event.data));
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});
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eventSource.addEventListener("system", event => {
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handleSystemMessage(JSON.parse(event.data));
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});
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eventSource.addEventListener("delete", event => {
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const data = JSON.parse(event.data);
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const username = data.username;
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const message_id = data.id;
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handleDeleteMessage(username, message_id);
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});
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eventSource.addEventListener("open", () => {
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@ -31,8 +131,60 @@ async function sync() {
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});
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}
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function twitchEmoteURL(emoteID) {
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return `https://static-cdn.jtvnw.net/emoticons/v2/${emoteID}/default/dark/1.0#e=0`
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function handleChatMessage(data) {
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console.log(`[CHAT] ${data.username}: ${data.text}`);
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const chatMessage = new ChatMessage(data);
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addMessageAndTruncateChat(chatMessage.element);
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}
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function handleSystemMessage(data) {
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if (data.type)
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console.log(`[SYSTEM] [${data.type}] ${data.text}`);
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else
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console.log(`[SYSTEM] ${data.text}`);
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const systemMessage = new SystemMessage(data.text, data.type || "");
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addMessageAndTruncateChat(systemMessage.element);
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}
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function handleDeleteMessage(username, message_id) {
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if (username == "*" && message_id == "*") {
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chatContainer.innerHTML = "";
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return;
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}
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if (username.length > 0 && message_id == "*") {
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chatContainer.querySelectorAll(`.message[data-username=${username}]`)
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.forEach(msg => {
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msg.remove();
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});
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return;
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}
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if (username.length == 0 && message_id.length > 0) {
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const msg = chatContainer.querySelector(`.message[data-id=${message_id}]`);
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if (msg) msg.remove();
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}
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}
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const CHAT_LIMIT = 50;
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function addMessageAndTruncateChat(element) {
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chatContainer.appendChild(element);
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window.scrollTo(0, document.body.scrollHeight);
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if (chatContainer.childElementCount <= CHAT_LIMIT) return;
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chatContainer.children[0].remove();
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}
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function twitchEmoteURL(emoteID) {
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return `https://static-cdn.jtvnw.net/emoticons/v2/${emoteID}/default/dark/4.0#e=0`
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}
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function twitchBadgeURL(badgeID) {
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return `https://static-cdn.jtvnw.net/badges/v1/${badgeID}/3`
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}
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if (end)
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chatContainer.classList.add("end")
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sync();
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@ -42,21 +42,22 @@ type (
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ChatMessageModifier string
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chatMessage struct {
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ID string `json:"id"`
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Username string `json:"username,omitempty"`
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Username string `json:"username"`
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Colour string `json:"colour,omitempty"`
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Text string `json:"text,omitempty"`
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Fragments []api.ChatMessageFragment `json:"fragments,omitempty"`
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Text string `json:"text"`
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Badges []api.ChatBadge `json:"badges"`
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Fragments []api.ChatMessageFragment `json:"fragments"`
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Modifier ChatMessageModifier `json:"modifier,omitempty"`
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AnnouncementColour string `json:"announcement_colour,omitempty"`
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}
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SystemChatMessageType string
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systemChatMessage struct {
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Text string `json:"text,omitempty"`
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Text string `json:"text"`
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Type SystemChatMessageType `json:"type,omitempty"`
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}
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deleteChatMessage struct {
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Username string `json:"username,omitempty"`
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MessageID string `json:"message_id,omitempty"`
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Username string `json:"username"`
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MessageID string `json:"message_id"`
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}
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ServiceOptions struct {
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@ -319,6 +320,8 @@ func (srv *Service) BindRoutes(group *gin.RouterGroup) {
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deleteChatUpdate := srv.DeleteChatBroadcast.Subscribe()
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defer srv.DeleteChatBroadcast.Cancel(deleteChatUpdate)
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ctx.SSEvent("hello", "hello")
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ticker := time.NewTicker(10 * time.Millisecond)
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ctx.Stream(func(w io.Writer) bool {
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select {
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