autonomous.contact/public/tabs/talk/talk.html

<div id="talk" class="tab">
	<input
		type="radio"
		name="top-level-tabs"
		id="talk-tab-input"
		class="tab-switch"
		data-hash="/talk"
	/>
	<label for="talk-tab-input" class="tab-label"
		><div class="icon talk"></div>
		<div class="label">Talk</div>
	</label>
	<div class="tab-content">
		<style>
			<!-- #include file="./talk.css" -->
		</style>
		<script src="/js/external/mimetypes.js" type="text/javascript"></script>
		<script src="/js/external/punycode.js" type="text/javascript"></script>
		<script src="/tabs/talk/talk.js" type="text/javascript"></script>
		<div class="sidebar resizable">
			<div id="room-creation-container" data-requires-permission="rooms.create">
				<button
					id="toggle-room-creation-form-button"
					onclick="((event) => {
						event.preventDefault();
					 	const room_create_form = document.getElementById( 'room-create' );
						room_create_form.style[ 'height' ] = room_create_form.style[ 'height' ] === '5rem' ? '0' : '5rem';
					})(event)"
				>
					<div class="icon plus"></div>
				</button>
				<form
					id="room-create"
					data-smart="true"
					action="/api/rooms"
					method="POST"
					style="
						margin-top: 1rem;
						width: 100%;
						overflow: hidden;
						height: 0;
						overflow: hidden;
						transition: all 0.5s;
					"
				>
					<input
						id="new-room-name-input"
						type="text"
						name="name"
						value=""
						placeholder="new room"
					/>
					<!-- <button class="primary" type="submit">
						<div class="icon plus"></div>
					</button> -->
					<input type="submit" hidden />
					<script>
						{
							const form = document.currentScript.closest("form");
							const room_create_form = document.getElementById("room-create");
							const new_room_name_input =
								document.getElementById("new-room-name-input");

							form.on_reply = (new_room) => {
								const room_list = document.getElementById("room-list");
								room_list.insertAdjacentHTML(
									"beforeend",
									`<li id="room-selector-${new_room.id}" class="room"><a href="#/room/${new_room.id}">${new_room.name}</a></li>`,
								);

								new_room_name_input.value = "";
								window.location.hash = `/talk/room/${new_room.id}`;
								room_create_form.style["height"] = "0";
							};
						}
					</script>
				</form>
			</div>
			<div>
				<span class="title">chat rooms</span>
			</div>
			<ul id="room-list" class="room-list"></ul>
		</div>
		<div id="room-chat-container">
			<div id="room-chat-content"></div>
			<div id="room-chat-entry-container">
				<form id="room-chat-entry" action="" data-smart="true" data-method="POST">
					<button aria-label="Attach file">
						<i class="icon attachment"></i>
					</button>
					<textarea
						id="room-chat-input"
						class="room-chat-input"
						rows="1"
						name="data.message"
					></textarea>
					<button id="room-chat-send" class="primary" aria-label="Send a message">
						<i class="icon send"></i>
					</button>

					<script>
						{
							const form = document.currentScript.closest("form");
							const chat_input = document.getElementById("room-chat-input");
							const room_chat_container =
								document.getElementById("room-chat-container");
							const room_chat_content = document.getElementById("room-chat-content");

							let messages_in_flight = {};

							chat_input.addEventListener("keypress", (event) => {
								if (event.key === "Enter" && !event.shiftKey) {
									form.requestSubmit();
								}
							});

							form.on_submit = (event) => {
								const message = chat_input.value.trim();
								if (message.length === 0) {
									return false;
								}

								const room_id = room_chat_container.dataset.room_id;
								if (!room_id) {
									alert("Failed to get room_id!");
									return false;
								}

								form.action = `/api/rooms/${room_id}/events`;
							};

							form.on_parsed = (json) => {
								const now = new Date().toISOString();

								const temp_id = `TEMP-${now}`;
								json.id = temp_id;
								json.type = "chat";
								json.meta = {
									temp_id,
								};
								json.timestamps = {
									created: now,
									updated: now,
								};

								const user = JSON.parse(document.body.dataset.user);
								render_text_event(room_chat_content, json, user);
								document
									.getElementById(`chat-${temp_id}`)
									?.classList.add("sending");
							};

							form.on_error = (error) => {
								// TODO: mark the temporary message element with the failed class?
								alert(error);
								chat_input.focus();
							};

							form.on_reply = (sent_message) => {
								document
									.getElementById(`chat-${sent_message.meta?.temp_id ?? ""}`)
									?.classList.remove("sending");

								append_room_events([sent_message]);
								chat_input.value = "";
								chat_input.focus();
							};
						}
					</script>
				</form>
			</div>
		</div>
	</div>
</div>