cleanup (subfolder removed, npm packages removed, etc.); added y-websocket-server code

.gitignore

@@ -1,2 +1 @@
-node_modules
+node_modules/
-dist

PLAN.md

@@ -1,102 +0,0 @@
-# Plan: Combined P2P Polling App
-
-## Overview
-Merge the three subfolder projects into a single TypeScript + Yjs + Vite application at the repo root, combining the best features from each.
-
-## Technology Choices
-- **Language:** TypeScript (from project 3) with strict mode
-- **CRDT:** Yjs + y-webrtc + y-indexeddb (from projects 1 & 3)
-- **Build:** Vite (shared by all)
-- **Package manager:** npm
-
-## Feature Superset
-From **project 1** (group-efa16e66):
-- Collaborative title editing via Y.Text (real-time character-level sync)
-- Delete options
-- Diff-rendering for poll list (reuse DOM elements)
-- Peer count display via awareness
-- Share section with copy-to-clipboard
-
-From **project 2** (proposal-8835ffc9):
-- Deadline/timer system (2-minute voting window with countdown)
-- Duplicate detection (case-insensitive)
-
-From **project 3** (proposal-88461784):
-- TypeScript types & strict mode
-- Modular architecture (state, sync, render, identity, app layers)
-- IndexedDB persistence (offline support)
-- Online/offline connection tracking
-- Input validation (max lengths, empty checks)
-- HTML escaping for XSS prevention
-- ViewModel pattern for clean render layer
-
-## Data Model (Yjs)
-```
-Y.Doc
-├── poll-meta (Y.Map<string>)
-│   └── title → Y.Text (collaborative editing from project 1)
-├── poll-options (Y.Map<OptionRecord>)
-│   └── [optionId] → { id, label, createdAt, createdBy }
-├── poll-votes (Y.Map<string>)
-│   └── [userId] → optionId (single vote per user)
-└── poll-deadline (Y.Map<any>)
-    └── deadline → number | null (timestamp, from project 2)
-```
-
-## Architecture & File Structure
-```
-/
-├── index.html
-├── package.json
-├── tsconfig.json
-├── vite.config.ts          (if needed for any plugins)
-├── src/
-│   ├── main.ts             (entry: mount app)
-│   ├── app.ts              (orchestrator: init sync, bind events, manage state)
-│   ├── identity.ts          (getUserId with localStorage persistence)
-│   ├── state.ts            (types, pure functions, ViewModel creation)
-│   ├── sync.ts             (Yjs doc, WebRTC provider, IndexedDB, connection status)
-│   ├── render.ts           (DOM rendering with escapeHtml, diff-rendering for options)
-│   ├── components/
-│   │   ├── PollTitle.ts    (collaborative title input bound to Y.Text)
-│   │   ├── PollList.ts     (diff-rendered option list with sorting)
-│   │   ├── PollOption.ts   (single option: vote bar, vote/delete buttons)
-│   │   ├── AddOption.ts    (input + submit with validation & duplicate check)
-│   │   ├── StatusBar.ts    (connection status + peer count)
-│   │   ├── ShareSection.ts (copy URL to clipboard)
-│   │   └── DeadlineTimer.ts (set deadline + countdown display, from project 2)
-│   └── styles.css          (merged: project 1's design tokens + project 3's glassmorphism)
-```
-
-## Implementation Steps
-
-### Step 1: Scaffold root project
-- Create `package.json` with dependencies: yjs, y-webrtc, y-indexeddb, vite, typescript
-- Create `tsconfig.json` (strict, ES2022, bundler resolution)
-- Create `index.html` entry point
-- Create `vite.config.ts` if needed
-
-### Step 2: Core layer — identity.ts, state.ts, sync.ts
-- `identity.ts`: port from project 3 (getUserId)
-- `state.ts`: port types from project 3, add deadline types, add ViewModel with deadline/timer info, add vote percentage calculation from project 1
-- `sync.ts`: port from project 3, add Y.Text for title (from project 1), add poll-deadline map, add awareness tracking for peer count (from project 1)
-
-### Step 3: App orchestrator — app.ts, main.ts
-- `app.ts`: port from project 3, add deadline handlers, add delete option handler, wire up all components
-- `main.ts`: minimal entry that calls initApp
-
-### Step 4: Components
-- `PollTitle.ts`: port collaborative Y.Text editing from project 1, add TypeScript types
-- `AddOption.ts`: merge project 1 (UI/animation) + project 2 (duplicate detection) + project 3 (validation)
-- `PollOption.ts`: port from project 1 (vote bar, percentage, delete button), add TypeScript
-- `PollList.ts`: port diff-rendering from project 1, add TypeScript
-- `StatusBar.ts`: merge project 1 (peer count) + project 3 (online/offline status)
-- `ShareSection.ts`: port from project 1, add TypeScript
-- `DeadlineTimer.ts`: new component porting project 2's deadline/countdown logic to Yjs
-
-### Step 5: Styling
-- Merge CSS: use project 1's design tokens and typography as base, incorporate project 3's glassmorphism panel effects, add timer-specific styles from project 2
-
-### Step 6: Cleanup
-- Remove three subfolders (after confirming with user)
-- Update root README.md

README.md

@@ -1 +1,28 @@
 # P2P Poll App
+
+## Install npm packages
+```
+npm init -y
+npm install
+```
+
+Note: the frontend obtains the packages `yjs` and `y-websocket` dynamically.
+
+## Run backend
+```
+node backend.js
+```
+
+### Note on Yjs suggestion
+Note that the following server setup is suggested in the Yjs docs (https://docs.yjs.dev/ecosystem/connection-provider/y-websocket):
+```
+npm install y-websocket-server
+HOST=localhost PORT=1000 npx y-websocket
+```
+
+However, across a range of npm versions, this does not work.
+Nevertheless, the essential code from the `y-websocket-server` package is used here as provided in `utils.js`.
+
+## Run frontend
+Open "frontend.html" in browser.
+

backend.js

@@ -0,0 +1,31 @@
+import { WebSocketServer } from 'ws';
+import { setupWSConnection } from './utils.js'
+
+// Create a WebSocket server
+const WS_PORT = 8080;
+const wss = new WebSocketServer({ port: WS_PORT });
+
+console.log('WebSocket server is running on ws://localhost:' + String(WS_PORT));
+
+// Connection event handler
+wss.on('connection', setupWSConnection);
+/*
+wss.on('connection', (ws) => {
+  console.log('Client connected');
+
+  // Message event handler
+  ws.on('message', (message) => {
+    let msg_str = String(message);
+    console.log("Received: " + msg_str);
+    
+    // If this is a text or state message (no Yjs logic) - echo the message back to the client
+    if (msg_str.startsWith("TEXT_MESSAGE") | msg_str.startsWith("STATE_MESSAGE")) {
+      ws.send(msg_str);
+    }
+  });
+
+  // Close event handler
+  ws.on('close', () => {
+    console.log('Client disconnected');
+  });
+});*/

frontend.html

@@ -0,0 +1,196 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>Poll Client</title>
+  <style>
+    body {
+      font-family: Arial, sans-serif;
+      max-width: 600px;
+      margin: 0 auto;
+      padding: 20px;
+    }
+    #messages {
+      height: 300px;
+      border: 1px solid #ccc;
+      overflow-y: auto;
+      padding: 10px;
+      margin-bottom: 10px;
+    }
+    .message { margin: 5px 0; }
+  </style>
+</head>
+<body>
+  <h1>Poll Client</h1>
+  <div id="status">Connecting to server...</div>
+  <div id="status2">Connecting to server...</div>
+  <div id="messages"></div>
+  <div>
+    <input type="text" id="messageInput" placeholder="Type your message">
+    <!--button onclick="sendMessage()">Send</button-->
+    <button id="sendBtn">Send</button>
+    <input id="optionInput" placeholder="Add option">
+    <button id="addBtn">Add</button>
+    <ul id="options"></ul>
+  </div>
+
+  <script type="module">
+    import * as Y from "https://esm.sh/yjs"
+    import { WebsocketProvider } from "https://esm.sh/y-websocket"
+
+    const WS_PORT = 8080;
+    const ydoc = new Y.Doc();
+    const status = document.getElementById('status');
+    const status2 = document.getElementById('status2');
+    const messages = document.getElementById('messages');
+    const messageInput = document.getElementById('messageInput');
+
+    // Connect to the backend (WebSocket server) via Yjs WebsocketProvider
+    const wsp = new WebsocketProvider(
+      'ws://localhost:' + String(WS_PORT), 'poll-room',
+      ydoc
+    )
+    wsp.on('status', event => {
+      //console.log("event.status =", event.status)
+      if (event.status == "connected") {
+        status.textContent = 'Yjs connected to WebSocket server';
+        status.style.color = 'green';
+      }
+      else {
+        status.textContent = 'Yjs disonnected from WebSocket server';
+        status.style.color = 'red';
+      }
+    })
+    wsp.onopen = () => {
+      console.log('connected to y-websocket server');
+    };
+    ydoc.on('update', () => {
+      console.log('Yjs document updated locally');
+    });
+    wsp.on('sync', isSynced => {
+      console.log("isSynced =", isSynced)
+    })
+
+    // Connect to the backend (WebSocket server) via common WebSocket (only for informative messages)
+    const ws = new WebSocket('ws://localhost:' + String(WS_PORT));
+    ws.onopen = () => {
+      status2.textContent = 'WebSocket client connected to WebSocket server';
+      status2.style.color = 'green';
+    };
+    ws.onmessage = (event) => {
+      const message = document.createElement('div');
+      message.className = 'message';
+      message.textContent = event.data;
+      messages.appendChild(message);
+      messages.scrollTop = messages.scrollHeight;
+    };
+    ws.onerror = (error) => {
+      status2.textContent = 'Error: ' + error.message;
+      status2.style.color = 'red';
+    };
+    ws.onclose = () => {
+      status2.textContent = 'WebSocket client disconnected from WebSocket server';
+      status2.style.color = 'red';
+    };
+
+    // Function to send a message
+    function sendMessage(command, payload) {
+        let message = "";
+        if (command === "TEXT_MESSAGE") {
+            message = command + ":" + messageInput.value.trim();
+            messageInput.value = "";
+        }
+        else if (command.startsWith("STATE_MESSAGE--")) {
+            message = command + ":" + payload;
+        }
+        else {
+            console.log("Error: unknown command '" + command + "'")
+        }
+
+        if (message) {
+            /* To make compatible with y-websocket-server API:
+            const encoder = encoding.createEncoder()
+            encoding.writeVarUint(encoder, messageTextMessage)
+            syncProtocol.writeUpdate(encoder, update)
+            enc_message = encoding.toUint8Array(encoder)*/
+            ws.send(message);
+        }
+    }
+
+     // Send message on button click
+    document.getElementById("sendBtn").onclick = () => {
+        sendMessage("TEXT_MESSAGE", "");
+    };
+
+    // Send message on Enter key
+    messageInput.addEventListener('keypress', (e) => {
+      if (e.key === 'Enter') {
+        sendMessage("TEXT_MESSAGE", "");
+      }
+    });
+    
+    // Actual poll logic
+    const optionsMap = ydoc.getMap("options");
+
+    const optionsList = document.getElementById("options");
+    const input = document.getElementById("optionInput");
+
+    function render() {
+        optionsList.innerHTML = ""
+
+        optionsMap.forEach((vote, name) => {
+            // List element for this option
+            const li = document.createElement("li")
+
+            // Label for this option
+            const label = document.createElement("span")
+            label.textContent = name + " — " + vote + " "
+
+            // "Vote"/"Unvote" button
+            const voteBtn = document.createElement("button")
+            if (vote == false) {
+                voteBtn.textContent = "Vote"
+            }
+            else {
+                voteBtn.textContent = "Unvote"
+            }
+            voteBtn.onclick = () => {
+                vote = !vote;
+                optionsMap.set(name, vote);
+                sendMessage("STATE_MESSAGE--" + (vote ? "VOTE" : "UNVOTE"), name);
+            }
+
+            // "Remove" button
+            const removeBtn = document.createElement("button")
+            removeBtn.textContent = "Remove"
+            removeBtn.onclick = () => {
+                optionsMap.delete(name);
+                sendMessage("STATE_MESSAGE--REMOVE", name);
+            }
+
+            li.appendChild(label)
+            li.appendChild(voteBtn)
+            li.appendChild(removeBtn)
+
+            optionsList.appendChild(li)
+        })
+    };
+
+    document.getElementById("addBtn").onclick = () => {
+        const name = input.value.trim()
+
+        if (!name) return
+
+        if (!optionsMap.has(name)) {
+            optionsMap.set(name, false);
+            sendMessage("STATE_MESSAGE--ADD_OPTION", name);
+        }
+
+        input.value = ""
+    };
+
+    optionsMap.observe(render);
+
+    render();
+  </script>
+</body>
+</html>

index.html

@@ -1,12 +0,0 @@
-<!doctype html>
-<html lang="en">
-  <head>
-    <meta charset="UTF-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>Polly — P2P Polls</title>
-  </head>
-  <body>
-    <div id="app"></div>
-    <script type="module" src="/src/main.ts"></script>
-  </body>
-</html>

package.json

@@ -1,20 +1,20 @@
 {
-  "name": "polly-p2p-poll",
+  "name": "yjs-poll",
   "version": "1.0.0",
-  "private": true,
+  "main": "index.js",
   "type": "module",
   "scripts": {
-    "dev": "vite",
+    "test": "echo \"Error: no test specified\" && exit 1",
-    "build": "tsc --noEmit && vite build",
+    "y-websocket": "y-websocket"
-    "preview": "vite preview"
   },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "description": "",
   "dependencies": {
-    "y-indexeddb": "^9.0.12",
+    "ws": "^8.19.0",
-    "y-webrtc": "^10.3.0",
+    "@y/protocols": "^1.0.6-1",
-    "yjs": "^13.6.27"
+    "lib0": "^0.2.102",
-  },
+    "yjs": "^14.0.0-7"
-  "devDependencies": {
-    "typescript": "^5.9.2",
-    "vite": "^7.1.5"
   }
 }

src/app.ts

@@ -1,139 +0,0 @@
-import { getUserId } from "./identity";
-import {
-  addOption,
-  toggleVote,
-  deleteOption,
-  setDeadline,
-  clearDeadline,
-  createViewModel,
-} from "./state";
-import { initSync } from "./sync";
-import { StatusBar } from "./components/StatusBar";
-import { PollTitle } from "./components/PollTitle";
-import { AddOption } from "./components/AddOption";
-import { PollList } from "./components/PollList";
-import { ShareSection } from "./components/ShareSection";
-import { DeadlineTimer } from "./components/DeadlineTimer";
-
-const ROOM_PARAM = "room";
-
-function createRoomId(): string {
-  if (typeof crypto.randomUUID === "function") {
-    return `poll-${crypto.randomUUID().slice(0, 8)}`;
-  }
-  return `poll-${Math.random().toString(36).slice(2, 10)}`;
-}
-
-function ensureRoomId(): string {
-  const url = new URL(window.location.href);
-  let roomId = url.searchParams.get(ROOM_PARAM)?.trim();
-
-  if (!roomId) {
-    roomId = createRoomId();
-    url.searchParams.set(ROOM_PARAM, roomId);
-    window.history.replaceState({}, "", url);
-  }
-
-  return roomId;
-}
-
-export function initApp(container: HTMLElement): () => void {
-  const roomId = ensureRoomId();
-  const userId = getUserId();
-  const sync = initSync(roomId);
-
-  const shareUrl = window.location.href;
-
-  // --- Actions ---
-
-  const actions = {
-    addOption: (label: string) => {
-      const vm = createViewModel(getViewModelParams());
-      if (vm.votingClosed) return;
-      return addOption(sync.options, label, userId);
-    },
-    toggleVote: (optionId: string) => {
-      const vm = createViewModel(getViewModelParams());
-      if (vm.votingClosed) return;
-      toggleVote(sync.votes, userId, optionId);
-    },
-    deleteOption: (optionId: string) => {
-      deleteOption(sync.options, sync.votes, optionId);
-    },
-    startDeadline: (durationMs: number) => {
-      setDeadline(sync.deadlineMap, durationMs);
-    },
-    clearDeadline: () => {
-      clearDeadline(sync.deadlineMap);
-    },
-  };
-
-  function getViewModelParams() {
-    return {
-      yTitle: sync.yTitle,
-      options: sync.options,
-      votes: sync.votes,
-      deadlineMap: sync.deadlineMap,
-      roomId,
-      shareUrl,
-      connectionStatus: sync.getConnectionStatus(),
-      peerCount: sync.getPeerCount(),
-      userId,
-    };
-  }
-
-  // --- Build UI ---
-
-  // Header
-  const header = document.createElement("header");
-  header.className = "app-header";
-
-  const wordmark = document.createElement("div");
-  wordmark.className = "app-wordmark";
-  wordmark.innerHTML = `
-    <svg width="20" height="20" viewBox="0 0 20 20" fill="none" xmlns="http://www.w3.org/2000/svg" aria-hidden="true">
-      <rect x="2" y="4" width="16" height="2.5" rx="1.25" fill="currentColor"/>
-      <rect x="2" y="8.75" width="11" height="2.5" rx="1.25" fill="currentColor" opacity="0.6"/>
-      <rect x="2" y="13.5" width="13" height="2.5" rx="1.25" fill="currentColor" opacity="0.35"/>
-    </svg>
-    <span>Polly</span>
-  `;
-
-  const statusBar = StatusBar(sync.provider);
-  header.append(wordmark, statusBar);
-
-  // Main card
-  const card = document.createElement("main");
-  card.className = "app-card";
-
-  const pollTitle = PollTitle(sync.doc, sync.yTitle);
-  const addOptionComponent = AddOption((label: string) => {
-    const result = actions.addOption(label);
-    if (result && !result.ok) return result.error;
-    return null;
-  });
-  const pollList = PollList(sync.options, sync.votes, userId, () => {
-    const vm = createViewModel(getViewModelParams());
-    return vm.votingClosed;
-  }, actions.toggleVote, actions.deleteOption);
-  const deadlineTimer = DeadlineTimer(
-    sync.deadlineMap,
-    actions.startDeadline,
-    actions.clearDeadline,
-  );
-
-  card.append(pollTitle, addOptionComponent, deadlineTimer, pollList);
-
-  // Footer
-  const footer = document.createElement("footer");
-  footer.className = "app-footer";
-  footer.appendChild(ShareSection(roomId));
-
-  container.append(header, card, footer);
-
-  // --- Cleanup ---
-
-  return () => {
-    sync.destroy();
-  };
-}

src/components/AddOption.ts

@@ -1,66 +0,0 @@
-export function AddOption(
-  onSubmit: (label: string) => string | null,
-): HTMLElement {
-  const wrapper = document.createElement("div");
-  wrapper.className = "add-option-wrapper";
-
-  const input = document.createElement("input");
-  input.type = "text";
-  input.className = "add-option-input";
-  input.placeholder = "Add an option\u2026";
-  input.maxLength = 100;
-  input.setAttribute("aria-label", "New poll option");
-
-  const btn = document.createElement("button");
-  btn.className = "add-option-btn";
-  btn.setAttribute("aria-label", "Add option");
-  btn.innerHTML = `
-    <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg" aria-hidden="true">
-      <path d="M8 2v12M2 8h12" stroke="currentColor" stroke-width="1.75" stroke-linecap="round"/>
-    </svg>
-    <span>Add</span>
-  `;
-
-  const feedback = document.createElement("div");
-  feedback.className = "add-option-feedback";
-  feedback.setAttribute("aria-live", "polite");
-
-  wrapper.append(input, btn, feedback);
-
-  function submit() {
-    const name = input.value.trim();
-    if (!name) {
-      input.focus();
-      input.classList.add("shake");
-      input.addEventListener("animationend", () => input.classList.remove("shake"), { once: true });
-      return;
-    }
-
-    const error = onSubmit(name);
-    if (error) {
-      feedback.textContent = error;
-      feedback.style.display = "";
-      setTimeout(() => {
-        feedback.textContent = "";
-        feedback.style.display = "none";
-      }, 3000);
-      return;
-    }
-
-    input.value = "";
-    feedback.textContent = "";
-    feedback.style.display = "none";
-    input.focus();
-  }
-
-  btn.addEventListener("click", submit);
-  input.addEventListener("keydown", (e) => {
-    if (e.key === "Enter") submit();
-  });
-  input.addEventListener("input", () => {
-    feedback.textContent = "";
-    feedback.style.display = "none";
-  });
-
-  return wrapper;
-}

src/components/DeadlineTimer.ts

@@ -1,86 +0,0 @@
-import * as Y from "yjs";
-import { getDeadline } from "../state";
-
-const DEADLINE_DURATION_MS = 2 * 60 * 1000; // 2 minutes
-
-export function DeadlineTimer(
-  deadlineMap: Y.Map<unknown>,
-  onStartDeadline: (durationMs: number) => void,
-  onClearDeadline: () => void,
-): HTMLElement {
-  const wrapper = document.createElement("div");
-  wrapper.className = "deadline-wrapper";
-
-  const timerEl = document.createElement("span");
-  timerEl.className = "deadline-timer";
-
-  const startBtn = document.createElement("button");
-  startBtn.className = "deadline-btn";
-  startBtn.textContent = "Start 2-min vote";
-  startBtn.setAttribute("aria-label", "Start a 2-minute voting deadline");
-
-  const clearBtn = document.createElement("button");
-  clearBtn.className = "deadline-btn deadline-btn--clear";
-  clearBtn.textContent = "Clear";
-  clearBtn.setAttribute("aria-label", "Remove voting deadline");
-
-  wrapper.append(timerEl, startBtn, clearBtn);
-
-  let interval: ReturnType<typeof setInterval> | undefined;
-
-  function render() {
-    const deadline = getDeadline(deadlineMap);
-    const now = Date.now();
-
-    if (deadline === null) {
-      // No deadline set
-      timerEl.textContent = "";
-      timerEl.className = "deadline-timer";
-      startBtn.hidden = false;
-      clearBtn.hidden = true;
-      if (interval) {
-        clearInterval(interval);
-        interval = undefined;
-      }
-      return;
-    }
-
-    startBtn.hidden = true;
-    clearBtn.hidden = false;
-
-    if (now >= deadline) {
-      // Voting closed
-      timerEl.textContent = "Voting closed";
-      timerEl.className = "deadline-timer deadline-timer--closed";
-      if (interval) {
-        clearInterval(interval);
-        interval = undefined;
-      }
-      return;
-    }
-
-    // Counting down
-    const remaining = Math.ceil((deadline - now) / 1000);
-    const mins = Math.floor(remaining / 60);
-    const secs = remaining % 60;
-    timerEl.textContent = `Voting closes in ${mins}:${secs.toString().padStart(2, "0")}`;
-    timerEl.className = "deadline-timer deadline-timer--active";
-
-    if (!interval) {
-      interval = setInterval(() => render(), 1000);
-    }
-  }
-
-  startBtn.addEventListener("click", () => {
-    onStartDeadline(DEADLINE_DURATION_MS);
-  });
-
-  clearBtn.addEventListener("click", () => {
-    onClearDeadline();
-  });
-
-  deadlineMap.observe(() => render());
-  render();
-
-  return wrapper;
-}

src/components/PollList.ts

@@ -1,127 +0,0 @@
-import * as Y from "yjs";
-import type { OptionRecord } from "../state";
-import { PollOption } from "./PollOption";
-
-export function PollList(
-  yOptions: Y.Map<OptionRecord>,
-  yVotes: Y.Map<string>,
-  userId: string,
-  isVotingClosed: () => boolean,
-  onVote: (optionId: string) => void,
-  onDelete: (optionId: string) => void,
-): HTMLElement {
-  const wrapper = document.createElement("div");
-  wrapper.className = "poll-list-wrapper";
-
-  const meta = document.createElement("div");
-  meta.className = "poll-list-meta";
-
-  const list = document.createElement("div");
-  list.className = "poll-list";
-
-  const empty = document.createElement("div");
-  empty.className = "poll-list-empty";
-  empty.innerHTML = `
-    <div class="empty-icon">
-      <svg width="32" height="32" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg">
-        <rect x="4" y="10" width="24" height="3" rx="1.5" fill="currentColor" opacity="0.15"/>
-        <rect x="4" y="16" width="18" height="3" rx="1.5" fill="currentColor" opacity="0.1"/>
-        <rect x="4" y="22" width="21" height="3" rx="1.5" fill="currentColor" opacity="0.07"/>
-      </svg>
-    </div>
-    <p>No options yet — add the first one above.</p>
-  `;
-
-  wrapper.append(meta, list, empty);
-
-  function getEntries() {
-    const entries: Array<{
-      id: string;
-      name: string;
-      votes: number;
-      voted: boolean;
-    }> = [];
-
-    // Tally votes per option
-    const tally = new Map<string, number>();
-    for (const optionId of yVotes.values()) {
-      tally.set(optionId, (tally.get(optionId) ?? 0) + 1);
-    }
-
-    const myVote = yVotes.get(userId) ?? null;
-
-    yOptions.forEach((record, id) => {
-      entries.push({
-        id,
-        name: record.label,
-        votes: tally.get(id) ?? 0,
-        voted: myVote === id,
-      });
-    });
-
-    entries.sort((a, b) => b.votes - a.votes || a.name.localeCompare(b.name));
-    return entries;
-  }
-
-  function getTotalVotes(): number {
-    return yVotes.size;
-  }
-
-  function render() {
-    const entries = getEntries();
-    const total = getTotalVotes();
-    const votingClosed = isVotingClosed();
-
-    // Meta line
-    if (entries.length > 0) {
-      meta.textContent = `${entries.length} option${entries.length !== 1 ? "s" : ""} \u00b7 ${total} vote${total !== 1 ? "s" : ""} total`;
-      meta.style.display = "";
-    } else {
-      meta.style.display = "none";
-    }
-
-    // Empty state
-    empty.style.display = entries.length === 0 ? "" : "none";
-
-    // Diff-render: reuse existing rows when possible
-    const existing = new Map(
-      [...list.querySelectorAll<HTMLElement>(".poll-option")].map((el) => [
-        el.dataset.id,
-        el,
-      ]),
-    );
-
-    // Remove stale rows
-    existing.forEach((el, id) => {
-      if (!entries.find((e) => e.id === id)) el.remove();
-    });
-
-    // Update or insert rows in sorted order
-    entries.forEach((entry, i) => {
-      const newEl = PollOption({
-        ...entry,
-        totalVotes: total,
-        votingClosed,
-        onVote,
-        onDelete,
-      });
-      const currentEl = list.children[i] as HTMLElement | undefined;
-
-      if (!currentEl) {
-        list.appendChild(newEl);
-      } else if (currentEl.dataset.id !== entry.id) {
-        list.insertBefore(newEl, currentEl);
-        const old = existing.get(entry.id);
-        if (old && old !== currentEl) old.remove();
-      } else {
-        list.replaceChild(newEl, currentEl);
-      }
-    });
-  }
-
-  yOptions.observeDeep(() => render());
-  yVotes.observe(() => render());
-  render();
-
-  return wrapper;
-}

src/components/PollOption.ts

@@ -1,46 +0,0 @@
-import { escapeHtml } from "../state";
-
-export interface PollOptionProps {
-  id: string;
-  name: string;
-  votes: number;
-  voted: boolean;
-  totalVotes: number;
-  votingClosed: boolean;
-  onVote: (id: string) => void;
-  onDelete: (id: string) => void;
-}
-
-export function PollOption(props: PollOptionProps): HTMLElement {
-  const { id, name, votes, voted, totalVotes, votingClosed, onVote, onDelete } = props;
-
-  const row = document.createElement("div");
-  row.className = `poll-option${voted ? " poll-option--voted" : ""}`;
-  row.dataset.id = id;
-
-  const pct = totalVotes > 0 ? Math.round((votes / totalVotes) * 100) : 0;
-
-  row.innerHTML = `
-    <div class="poll-option__bar" style="width: ${pct}%"></div>
-    <div class="poll-option__content">
-      <span class="poll-option__name">${escapeHtml(name)}</span>
-      <div class="poll-option__actions">
-        <span class="poll-option__pct">${pct}%</span>
-        <span class="poll-option__count">${votes} vote${votes !== 1 ? "s" : ""}</span>
-        <button class="poll-option__vote-btn" aria-pressed="${voted}"${votingClosed ? " disabled" : ""}>
-          ${voted ? "Voted" : "Vote"}
-        </button>
-        <button class="poll-option__delete-btn" aria-label="Remove option">
-          <svg width="14" height="14" viewBox="0 0 14 14" fill="none" xmlns="http://www.w3.org/2000/svg">
-            <path d="M2 2l10 10M12 2L2 12" stroke="currentColor" stroke-width="1.5" stroke-linecap="round"/>
-          </svg>
-        </button>
-      </div>
-    </div>
-  `;
-
-  row.querySelector(".poll-option__vote-btn")!.addEventListener("click", () => onVote(id));
-  row.querySelector(".poll-option__delete-btn")!.addEventListener("click", () => onDelete(id));
-
-  return row;
-}

src/components/PollTitle.ts

@@ -1,34 +0,0 @@
-import * as Y from "yjs";
-
-export function PollTitle(ydoc: Y.Doc, yTitle: Y.Text): HTMLElement {
-  const wrapper = document.createElement("div");
-  wrapper.className = "poll-title-wrapper";
-
-  const input = document.createElement("input");
-  input.type = "text";
-  input.id = "poll-title";
-  input.className = "poll-title-input";
-  input.placeholder = "Untitled Poll";
-  input.maxLength = 120;
-  input.setAttribute("aria-label", "Poll title");
-  input.value = yTitle.toString();
-
-  wrapper.appendChild(input);
-
-  // Sync from Yjs → input (only when not focused to avoid cursor jump)
-  yTitle.observe(() => {
-    if (document.activeElement !== input) {
-      input.value = yTitle.toString();
-    }
-  });
-
-  // Sync from input → Yjs
-  input.addEventListener("input", () => {
-    ydoc.transact(() => {
-      yTitle.delete(0, yTitle.length);
-      yTitle.insert(0, input.value);
-    });
-  });
-
-  return wrapper;
-}

src/components/ShareSection.ts

@@ -1,39 +0,0 @@
-export function ShareSection(roomName: string): HTMLElement {
-  const url = `${window.location.origin}${window.location.pathname}?room=${encodeURIComponent(roomName)}`;
-
-  const section = document.createElement("div");
-  section.className = "share-section";
-
-  section.innerHTML = `
-    <p class="share-label">Share this poll</p>
-    <div class="share-row">
-      <code class="share-url" title="${url}">${url}</code>
-      <button class="share-copy-btn">Copy link</button>
-    </div>
-  `;
-
-  const copyBtn = section.querySelector<HTMLButtonElement>(".share-copy-btn")!;
-
-  copyBtn.addEventListener("click", async () => {
-    try {
-      await navigator.clipboard.writeText(url);
-      copyBtn.textContent = "Copied!";
-      copyBtn.classList.add("share-copy-btn--success");
-      setTimeout(() => {
-        copyBtn.textContent = "Copy link";
-        copyBtn.classList.remove("share-copy-btn--success");
-      }, 2000);
-    } catch {
-      // Fallback: select the text
-      const range = document.createRange();
-      const urlEl = section.querySelector(".share-url");
-      if (urlEl) {
-        range.selectNode(urlEl);
-        window.getSelection()?.removeAllRanges();
-        window.getSelection()?.addRange(range);
-      }
-    }
-  });
-
-  return section;
-}

src/components/StatusBar.ts

@@ -1,67 +0,0 @@
-import type { WebrtcProvider } from "y-webrtc";
-
-export function StatusBar(provider: WebrtcProvider): HTMLElement {
-  const el = document.createElement("div");
-  el.className = "status-bar";
-
-  const dot = document.createElement("span");
-  dot.className = "status-dot connecting";
-
-  const statusText = document.createElement("span");
-  statusText.className = "status-text";
-  statusText.textContent = "Connecting";
-
-  const divider = document.createElement("span");
-  divider.className = "status-divider";
-  divider.textContent = "\u00b7";
-
-  const peerText = document.createElement("span");
-  peerText.className = "status-peers";
-
-  el.append(dot, statusText, divider, peerText);
-
-  // --- Connection state ---
-
-  let syncTimeout: ReturnType<typeof setTimeout> | undefined = setTimeout(() => {
-    statusText.textContent = "Ready";
-    dot.className = "status-dot ready";
-  }, 3000);
-
-  provider.on("synced", ({ synced }: { synced: boolean }) => {
-    if (syncTimeout) {
-      clearTimeout(syncTimeout);
-      syncTimeout = undefined;
-    }
-    dot.className = `status-dot ${synced ? "connected" : "connecting"}`;
-    statusText.textContent = synced ? "Connected" : "Connecting";
-  });
-
-  // Online/offline awareness
-  const handleOffline = () => {
-    dot.className = "status-dot connecting";
-    statusText.textContent = "Offline";
-  };
-  const handleOnline = () => {
-    dot.className = "status-dot connecting";
-    statusText.textContent = "Reconnecting";
-  };
-
-  window.addEventListener("offline", handleOffline);
-  window.addEventListener("online", handleOnline);
-
-  // --- Peer count ---
-
-  function updatePeerCount() {
-    const total = provider.awareness.getStates().size;
-    const others = total - 1;
-    peerText.textContent =
-      others === 0
-        ? "Only you"
-        : `${others} other${others !== 1 ? "s" : ""}`;
-  }
-
-  provider.awareness.on("change", updatePeerCount);
-  updatePeerCount();
-
-  return el;
-}

src/identity.ts

@@ -1,17 +0,0 @@
-const USER_ID_KEY = "polly:user-id";
-
-function createUserId(): string {
-  if (typeof crypto.randomUUID === "function") {
-    return crypto.randomUUID();
-  }
-  return `user-${Math.random().toString(36).slice(2, 10)}`;
-}
-
-export function getUserId(): string {
-  const existing = localStorage.getItem(USER_ID_KEY);
-  if (existing) return existing;
-
-  const next = createUserId();
-  localStorage.setItem(USER_ID_KEY, next);
-  return next;
-}

src/main.ts

@@ -1,9 +0,0 @@
-import "./styles.css";
-import { initApp } from "./app";
-
-const container = document.querySelector<HTMLElement>("#app");
-if (!container) {
-  throw new Error("App container not found.");
-}
-
-initApp(container);

src/state.ts

@@ -1,207 +0,0 @@
-import * as Y from "yjs";
-
-// --- Types ---
-
-export type ConnectionStatus = "connecting" | "connected" | "offline";
-
-export interface OptionRecord {
-  id: string;
-  label: string;
-  createdAt: number;
-  createdBy: string;
-}
-
-export interface PollOptionViewModel extends OptionRecord {
-  voteCount: number;
-  isVotedByMe: boolean;
-  percentage: number;
-}
-
-export interface PollViewModel {
-  title: string;
-  roomId: string;
-  shareUrl: string;
-  connectionStatus: ConnectionStatus;
-  peerCount: number;
-  options: PollOptionViewModel[];
-  totalVotes: number;
-  myVoteOptionId: string | null;
-  deadline: number | null;
-  votingClosed: boolean;
-}
-
-// --- Helpers ---
-
-export function createOptionId(): string {
-  if (typeof crypto.randomUUID === "function") {
-    return crypto.randomUUID();
-  }
-  return `option-${Math.random().toString(36).slice(2, 10)}`;
-}
-
-function normalizeLabel(label: string): string {
-  return label.trim().replace(/\s+/g, " ");
-}
-
-export function escapeHtml(value: string): string {
-  return value
-    .replaceAll("&", "&")
-    .replaceAll("<", "&lt;")
-    .replaceAll(">", "&gt;")
-    .replaceAll('"', "&quot;")
-    .replaceAll("'", "&#39;");
-}
-
-// --- Title ---
-
-export function getPollTitle(yTitle: Y.Text): string {
-  const title = yTitle.toString();
-  return title || "Untitled Poll";
-}
-
-// --- Options ---
-
-export function addOption(
-  options: Y.Map<OptionRecord>,
-  rawLabel: string,
-  userId: string,
-): { ok: true; optionId: string } | { ok: false; error: string } {
-  const label = normalizeLabel(rawLabel);
-  if (!label) {
-    return { ok: false, error: "Option cannot be empty." };
-  }
-
-  const normalizedTarget = label.toLocaleLowerCase();
-  const duplicate = Array.from(options.values()).some(
-    (option) => option.label.trim().toLocaleLowerCase() === normalizedTarget,
-  );
-
-  if (duplicate) {
-    return { ok: false, error: "That option already exists." };
-  }
-
-  const option: OptionRecord = {
-    id: createOptionId(),
-    label,
-    createdAt: Date.now(),
-    createdBy: userId,
-  };
-
-  options.set(option.id, option);
-  return { ok: true, optionId: option.id };
-}
-
-export function toggleVote(
-  votes: Y.Map<string>,
-  userId: string,
-  optionId: string,
-): void {
-  const current = votes.get(userId);
-  if (current === optionId) {
-    votes.delete(userId);
-  } else {
-    votes.set(userId, optionId);
-  }
-}
-
-export function deleteOption(
-  options: Y.Map<OptionRecord>,
-  votes: Y.Map<string>,
-  optionId: string,
-): void {
-  options.delete(optionId);
-  // Clean up votes pointing to this option
-  for (const [userId, votedOptionId] of votes.entries()) {
-    if (votedOptionId === optionId) {
-      votes.delete(userId);
-    }
-  }
-}
-
-// --- Deadline ---
-
-export function setDeadline(
-  deadlineMap: Y.Map<unknown>,
-  durationMs: number,
-): void {
-  deadlineMap.set("deadline", Date.now() + durationMs);
-}
-
-export function clearDeadline(deadlineMap: Y.Map<unknown>): void {
-  deadlineMap.delete("deadline");
-}
-
-export function getDeadline(deadlineMap: Y.Map<unknown>): number | null {
-  const val = deadlineMap.get("deadline");
-  return typeof val === "number" ? val : null;
-}
-
-// --- ViewModel ---
-
-export function createViewModel(params: {
-  yTitle: Y.Text;
-  options: Y.Map<OptionRecord>;
-  votes: Y.Map<string>;
-  deadlineMap: Y.Map<unknown>;
-  roomId: string;
-  shareUrl: string;
-  connectionStatus: ConnectionStatus;
-  peerCount: number;
-  userId: string;
-}): PollViewModel {
-  const {
-    yTitle,
-    options,
-    votes,
-    deadlineMap,
-    roomId,
-    shareUrl,
-    connectionStatus,
-    peerCount,
-    userId,
-  } = params;
-
-  // Tally votes per option
-  const tally = new Map<string, number>();
-  for (const optionId of votes.values()) {
-    tally.set(optionId, (tally.get(optionId) ?? 0) + 1);
-  }
-
-  let totalVotes = 0;
-  for (const count of tally.values()) {
-    totalVotes += count;
-  }
-
-  const myVoteOptionId = votes.get(userId) ?? null;
-  const deadline = getDeadline(deadlineMap);
-  const votingClosed = deadline !== null && Date.now() >= deadline;
-
-  // Sort by votes desc, then alphabetically
-  const sortedOptions = Array.from(options.values()).sort((a, b) => {
-    const aVotes = tally.get(a.id) ?? 0;
-    const bVotes = tally.get(b.id) ?? 0;
-    if (bVotes !== aVotes) return bVotes - aVotes;
-    return a.label.localeCompare(b.label);
-  });
-
-  return {
-    title: getPollTitle(yTitle),
-    roomId,
-    shareUrl,
-    connectionStatus,
-    peerCount,
-    myVoteOptionId,
-    totalVotes,
-    deadline,
-    votingClosed,
-    options: sortedOptions.map((option) => ({
-      ...option,
-      voteCount: tally.get(option.id) ?? 0,
-      isVotedByMe: myVoteOptionId === option.id,
-      percentage:
-        totalVotes > 0
-          ? Math.round(((tally.get(option.id) ?? 0) / totalVotes) * 100)
-          : 0,
-    })),
-  };
-}

src/styles.css

@@ -1,469 +0,0 @@
-/* ── Fonts ─────────────────────────────────────────────── */
-@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600&family=Playfair+Display:wght@500&display=swap');
-
-/* ── Tokens ────────────────────────────────────────────── */
-:root {
-  --bg:            #F7F6F2;
-  --surface:       #FFFFFF;
-  --surface-hover: #FAFAF8;
-  --border:        #E8E5DF;
-  --border-focus:  #1A1A1A;
-
-  --text-primary:   #1A1A1A;
-  --text-secondary: #6B6860;
-  --text-muted:     #AAA79F;
-
-  --accent:         #1A1A1A;
-  --accent-text:    #FFFFFF;
-
-  --vote-bar:       rgba(26, 26, 26, 0.07);
-  --vote-bar-voted: rgba(26, 26, 26, 0.12);
-
-  --success:        #2D7D46;
-  --danger:         #C0392B;
-  --warning:        #8c5300;
-
-  --radius-sm:  6px;
-  --radius-md:  10px;
-  --radius-lg:  14px;
-
-  --font-display: 'Playfair Display', Georgia, serif;
-  --font-body:    'DM Sans', system-ui, sans-serif;
-
-  --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.05);
-}
-
-/* ── Reset ─────────────────────────────────────────────── */
-*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
-
-/* ── Base ──────────────────────────────────────────────── */
-html { font-size: 16px; }
-
-body {
-  font-family: var(--font-body);
-  background: var(--bg);
-  color: var(--text-primary);
-  min-height: 100vh;
-  -webkit-font-smoothing: antialiased;
-}
-
-button, input { font: inherit; }
-button { cursor: pointer; }
-
-/* ── Layout ────────────────────────────────────────────── */
-#app {
-  max-width: 580px;
-  margin: 0 auto;
-  padding: 2rem 1.25rem 4rem;
-  display: flex;
-  flex-direction: column;
-  gap: 1.25rem;
-}
-
-/* ── Header ────────────────────────────────────────────── */
-.app-header {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  padding: 0 0.25rem;
-}
-
-.app-wordmark {
-  display: flex;
-  align-items: center;
-  gap: 0.5rem;
-  font-family: var(--font-display);
-  font-size: 1.1rem;
-  color: var(--text-primary);
-  letter-spacing: -0.01em;
-}
-
-/* ── Status bar ────────────────────────────────────────── */
-.status-bar {
-  display: flex;
-  align-items: center;
-  gap: 0.4rem;
-  font-size: 0.8rem;
-  color: var(--text-secondary);
-}
-
-.status-dot {
-  width: 6px;
-  height: 6px;
-  border-radius: 50%;
-  flex-shrink: 0;
-  transition: background 0.3s;
-}
-
-.status-dot.connecting { background: var(--text-muted); }
-.status-dot.ready      { background: var(--text-muted); }
-.status-dot.connected  { background: var(--success); }
-
-.status-divider { color: var(--text-muted); }
-
-/* ── Card ──────────────────────────────────────────────── */
-.app-card {
-  background: var(--surface);
-  border: 1px solid var(--border);
-  border-radius: var(--radius-lg);
-  box-shadow: var(--shadow-card);
-  overflow: hidden;
-}
-
-/* ── Poll Title ────────────────────────────────────────── */
-.poll-title-wrapper {
-  padding: 1.75rem 1.75rem 1.25rem;
-  border-bottom: 1px solid var(--border);
-}
-
-.poll-title-input {
-  width: 100%;
-  font-family: var(--font-display);
-  font-size: 1.5rem;
-  font-weight: 500;
-  color: var(--text-primary);
-  background: transparent;
-  border: none;
-  outline: none;
-  line-height: 1.3;
-  letter-spacing: -0.02em;
-}
-
-.poll-title-input::placeholder { color: var(--text-muted); }
-
-/* ── Add Option ────────────────────────────────────────── */
-.add-option-wrapper {
-  display: flex;
-  flex-wrap: wrap;
-  gap: 0.625rem;
-  padding: 1.25rem 1.75rem;
-  border-bottom: 1px solid var(--border);
-}
-
-.add-option-input {
-  flex: 1;
-  min-width: 0;
-  height: 2.5rem;
-  padding: 0 0.875rem;
-  font-size: 0.9rem;
-  color: var(--text-primary);
-  background: var(--bg);
-  border: 1px solid var(--border);
-  border-radius: var(--radius-sm);
-  outline: none;
-  transition: border-color 0.15s;
-}
-
-.add-option-input::placeholder { color: var(--text-muted); }
-.add-option-input:focus { border-color: var(--border-focus); }
-
-.add-option-input.shake {
-  animation: shake 0.3s ease;
-}
-
-@keyframes shake {
-  0%, 100% { transform: translateX(0); }
-  25%       { transform: translateX(-4px); }
-  75%       { transform: translateX(4px); }
-}
-
-.add-option-btn {
-  display: flex;
-  align-items: center;
-  gap: 0.375rem;
-  height: 2.5rem;
-  padding: 0 1rem;
-  font-size: 0.875rem;
-  font-weight: 500;
-  color: var(--accent-text);
-  background: var(--accent);
-  border: none;
-  border-radius: var(--radius-sm);
-  transition: opacity 0.15s;
-  white-space: nowrap;
-}
-
-.add-option-btn:hover { opacity: 0.85; }
-.add-option-btn:active { opacity: 0.7; }
-
-.add-option-feedback {
-  width: 100%;
-  font-size: 0.8rem;
-  color: var(--danger);
-  display: none;
-}
-
-/* ── Deadline Timer ────────────────────────────────────── */
-.deadline-wrapper {
-  display: flex;
-  align-items: center;
-  gap: 0.75rem;
-  padding: 0.75rem 1.75rem;
-  border-bottom: 1px solid var(--border);
-  font-size: 0.85rem;
-}
-
-.deadline-timer {
-  flex: 1;
-  font-weight: 500;
-}
-
-.deadline-timer--active {
-  color: var(--success);
-}
-
-.deadline-timer--closed {
-  color: var(--danger);
-  font-weight: 600;
-}
-
-.deadline-btn {
-  height: 2rem;
-  padding: 0 0.875rem;
-  font-size: 0.8rem;
-  font-weight: 500;
-  color: var(--text-secondary);
-  background: var(--surface);
-  border: 1px solid var(--border);
-  border-radius: var(--radius-sm);
-  transition: all 0.15s;
-  white-space: nowrap;
-}
-
-.deadline-btn:hover {
-  border-color: var(--accent);
-  color: var(--accent);
-}
-
-.deadline-btn--clear:hover {
-  border-color: var(--danger);
-  color: var(--danger);
-}
-
-/* ── Poll List ─────────────────────────────────────────── */
-.poll-list-wrapper {
-  padding: 0.5rem 0;
-}
-
-.poll-list-meta {
-  padding: 0.5rem 1.75rem 0.75rem;
-  font-size: 0.775rem;
-  color: var(--text-muted);
-  letter-spacing: 0.02em;
-  text-transform: uppercase;
-  font-weight: 500;
-}
-
-.poll-list-empty {
-  padding: 3rem 1.75rem;
-  text-align: center;
-  color: var(--text-muted);
-  font-size: 0.875rem;
-}
-
-.empty-icon {
-  margin-bottom: 0.75rem;
-  opacity: 0.6;
-}
-
-/* ── Poll Option ───────────────────────────────────────── */
-.poll-option {
-  position: relative;
-  overflow: hidden;
-  transition: background 0.15s;
-}
-
-.poll-option:hover {
-  background: var(--surface-hover);
-}
-
-.poll-option__bar {
-  position: absolute;
-  inset: 0 auto 0 0;
-  background: var(--vote-bar);
-  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
-  pointer-events: none;
-}
-
-.poll-option--voted .poll-option__bar {
-  background: var(--vote-bar-voted);
-}
-
-.poll-option__content {
-  position: relative;
-  display: flex;
-  align-items: center;
-  gap: 0.75rem;
-  padding: 0.875rem 1.75rem;
-}
-
-.poll-option__name {
-  flex: 1;
-  font-size: 0.9375rem;
-  font-weight: 400;
-  color: var(--text-primary);
-  word-break: break-word;
-}
-
-.poll-option--voted .poll-option__name {
-  font-weight: 500;
-}
-
-.poll-option__actions {
-  display: flex;
-  align-items: center;
-  gap: 0.625rem;
-  flex-shrink: 0;
-}
-
-.poll-option__pct {
-  font-size: 0.8125rem;
-  font-weight: 500;
-  color: var(--text-secondary);
-  min-width: 2.5rem;
-  text-align: right;
-}
-
-.poll-option__count {
-  font-size: 0.775rem;
-  color: var(--text-muted);
-  min-width: 3.5rem;
-}
-
-.poll-option__vote-btn {
-  height: 1.875rem;
-  padding: 0 0.875rem;
-  font-size: 0.8125rem;
-  font-weight: 500;
-  border-radius: var(--radius-sm);
-  transition: all 0.15s;
-  white-space: nowrap;
-  background: transparent;
-  color: var(--text-secondary);
-  border: 1px solid var(--border);
-}
-
-.poll-option__vote-btn:hover:not(:disabled) {
-  border-color: var(--accent);
-  color: var(--accent);
-}
-
-.poll-option__vote-btn:disabled {
-  opacity: 0.5;
-  cursor: default;
-}
-
-.poll-option--voted .poll-option__vote-btn {
-  background: var(--accent);
-  color: var(--accent-text);
-  border-color: var(--accent);
-}
-
-.poll-option--voted .poll-option__vote-btn:hover:not(:disabled) {
-  opacity: 0.8;
-}
-
-.poll-option__delete-btn {
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  width: 1.625rem;
-  height: 1.625rem;
-  background: transparent;
-  border: none;
-  border-radius: var(--radius-sm);
-  color: var(--text-muted);
-  opacity: 0;
-  transition: opacity 0.15s, color 0.15s, background 0.15s;
-}
-
-.poll-option:hover .poll-option__delete-btn { opacity: 1; }
-.poll-option__delete-btn:hover {
-  color: var(--danger);
-  background: rgba(192, 57, 43, 0.07);
-}
-
-/* ── Footer ────────────────────────────────────────────── */
-.app-footer {
-  padding: 0 0.25rem;
-}
-
-/* ── Share Section ─────────────────────────────────────── */
-.share-section {
-  background: var(--surface);
-  border: 1px solid var(--border);
-  border-radius: var(--radius-lg);
-  box-shadow: var(--shadow-card);
-  padding: 1.25rem 1.5rem;
-}
-
-.share-label {
-  font-size: 0.775rem;
-  font-weight: 500;
-  color: var(--text-muted);
-  text-transform: uppercase;
-  letter-spacing: 0.05em;
-  margin-bottom: 0.625rem;
-}
-
-.share-row {
-  display: flex;
-  align-items: center;
-  gap: 0.625rem;
-}
-
-.share-url {
-  flex: 1;
-  font-family: 'DM Mono', 'Fira Mono', monospace;
-  font-size: 0.8rem;
-  color: var(--text-secondary);
-  background: var(--bg);
-  border: 1px solid var(--border);
-  border-radius: var(--radius-sm);
-  padding: 0.5rem 0.75rem;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  white-space: nowrap;
-  display: block;
-  user-select: all;
-}
-
-.share-copy-btn {
-  height: 2rem;
-  padding: 0 0.875rem;
-  font-size: 0.8125rem;
-  font-weight: 500;
-  color: var(--text-secondary);
-  background: var(--surface);
-  border: 1px solid var(--border);
-  border-radius: var(--radius-sm);
-  transition: all 0.15s;
-  white-space: nowrap;
-  flex-shrink: 0;
-}
-
-.share-copy-btn:hover {
-  border-color: var(--accent);
-  color: var(--accent);
-}
-
-.share-copy-btn--success {
-  color: var(--success) !important;
-  border-color: var(--success) !important;
-}
-
-/* ── Responsive ────────────────────────────────────────── */
-@media (max-width: 480px) {
-  #app { padding: 1rem 0.75rem 3rem; }
-
-  .poll-title-wrapper  { padding: 1.25rem 1.25rem 1rem; }
-  .add-option-wrapper  { padding: 1rem 1.25rem; }
-  .poll-option__content { padding: 0.875rem 1.25rem; }
-  .poll-list-meta      { padding: 0.5rem 1.25rem 0.625rem; }
-  .poll-list-empty     { padding: 2.5rem 1.25rem; }
-  .deadline-wrapper    { padding: 0.75rem 1.25rem; }
-
-  .poll-option__count  { display: none; }
-
-  .share-section { padding: 1rem 1.25rem; }
-}

src/sync.ts

@@ -1,77 +0,0 @@
-import { IndexeddbPersistence } from "y-indexeddb";
-import { WebrtcProvider } from "y-webrtc";
-import * as Y from "yjs";
-
-import type { ConnectionStatus, OptionRecord } from "./state";
-
-export interface AppSync {
-  doc: Y.Doc;
-  yTitle: Y.Text;
-  options: Y.Map<OptionRecord>;
-  votes: Y.Map<string>;
-  deadlineMap: Y.Map<unknown>;
-  provider: WebrtcProvider;
-  persistence: IndexeddbPersistence;
-  getConnectionStatus: () => ConnectionStatus;
-  getPeerCount: () => number;
-  destroy: () => void;
-}
-
-export function initSync(roomId: string): AppSync {
-  const doc = new Y.Doc();
-  const yTitle = doc.getText("poll-title");
-  const options = doc.getMap<OptionRecord>("poll-options");
-  const votes = doc.getMap<string>("poll-votes");
-  const deadlineMap = doc.getMap<unknown>("poll-deadline");
-
-  let connectionStatus: ConnectionStatus = navigator.onLine
-    ? "connecting"
-    : "offline";
-
-  const provider = new WebrtcProvider(roomId, doc);
-  const persistence = new IndexeddbPersistence(roomId, doc);
-
-  const syncConnectionStatus = (status: ConnectionStatus) => {
-    connectionStatus = navigator.onLine ? status : "offline";
-  };
-
-  const handleOnline = () => {
-    syncConnectionStatus(provider.connected ? "connected" : "connecting");
-  };
-  const handleOffline = () => {
-    connectionStatus = "offline";
-  };
-
-  provider.on("status", (event: { connected: boolean }) => {
-    syncConnectionStatus(event.connected ? "connected" : "connecting");
-  });
-
-  provider.on("synced", ({ synced }: { synced: boolean }) => {
-    if (synced) syncConnectionStatus("connected");
-  });
-
-  window.addEventListener("online", handleOnline);
-  window.addEventListener("offline", handleOffline);
-
-  return {
-    doc,
-    yTitle,
-    options,
-    votes,
-    deadlineMap,
-    provider,
-    persistence,
-    getConnectionStatus: () => connectionStatus,
-    getPeerCount: () => {
-      const total = provider.awareness.getStates().size;
-      return Math.max(0, total - 1);
-    },
-    destroy: () => {
-      window.removeEventListener("online", handleOnline);
-      window.removeEventListener("offline", handleOffline);
-      persistence.destroy();
-      provider.destroy();
-      doc.destroy();
-    },
-  };
-}

tsconfig.json

@@ -1,15 +0,0 @@
-{
-  "compilerOptions": {
-    "target": "ES2022",
-    "module": "ESNext",
-    "moduleResolution": "Bundler",
-    "lib": ["DOM", "DOM.Iterable", "ES2022"],
-    "strict": true,
-    "noEmit": true,
-    "esModuleInterop": true,
-    "skipLibCheck": true,
-    "allowSyntheticDefaultImports": true,
-    "useDefineForClassFields": true
-  },
-  "include": ["src"]
-}

utils.js

@@ -0,0 +1,291 @@
+/* Adapted from https://github.com/yjs/y-websocket-server/blob/main/src/server.js, version of 2025-04-02
+   (author: dmonad/Kevin Jahns, MIT license) */
+
+import * as Y from 'yjs'
+import * as syncProtocol from '@y/protocols/sync'
+import * as awarenessProtocol from '@y/protocols/awareness'
+
+import * as encoding from 'lib0/encoding'
+import * as decoding from 'lib0/decoding'
+import * as map from 'lib0/map'
+
+import * as eventloop from 'lib0/eventloop'
+
+/*import { callbackHandler, isCallbackSet } from './callback.js'
+
+const CALLBACK_DEBOUNCE_WAIT = parseInt(process.env.CALLBACK_DEBOUNCE_WAIT || '2000')
+const CALLBACK_DEBOUNCE_MAXWAIT = parseInt(process.env.CALLBACK_DEBOUNCE_MAXWAIT || '10000')
+
+const debouncer = eventloop.createDebouncer(CALLBACK_DEBOUNCE_WAIT, CALLBACK_DEBOUNCE_MAXWAIT)*/
+
+const wsReadyStateConnecting = 0
+const wsReadyStateOpen = 1
+const wsReadyStateClosing = 2 // eslint-disable-line
+const wsReadyStateClosed = 3 // eslint-disable-line
+
+// disable gc when using snapshots!
+const gcEnabled = process.env.GC !== 'false' && process.env.GC !== '0'
+// const persistenceDir = process.env.YPERSISTENCE
+/**
+ * @type {{bindState: function(string,WSSharedDoc):void, writeState:function(string,WSSharedDoc):Promise<any>, provider: any}|null}
+ */
+let persistence = null
+
+/**
+ * @param {{bindState: function(string,WSSharedDoc):void,
+ * writeState:function(string,WSSharedDoc):Promise<any>,provider:any}|null} persistence_
+ */
+export const setPersistence = persistence_ => {
+  persistence = persistence_
+}
+
+/**
+ * @return {null|{bindState: function(string,WSSharedDoc):void,
+  * writeState:function(string,WSSharedDoc):Promise<any>}|null} used persistence layer
+  */
+export const getPersistence = () => persistence
+
+/**
+ * @type {Map<string,WSSharedDoc>}
+ */
+export const docs = new Map()
+
+const messageSync = 0
+const messageAwareness = 1
+// const messageAuth = 2
+//const messageTextMessage = 3
+//const messageStateMessage = 4
+
+/**
+ * @param {Uint8Array} update
+ * @param {any} _origin
+ * @param {WSSharedDoc} doc
+ * @param {any} _tr
+ */
+const updateHandler = (update, _origin, doc, _tr) => {
+  const encoder = encoding.createEncoder()
+  encoding.writeVarUint(encoder, messageSync)
+  syncProtocol.writeUpdate(encoder, update)
+  const message = encoding.toUint8Array(encoder)
+  doc.conns.forEach((_, conn) => send(doc, conn, message))
+}
+
+/**
+ * @type {(ydoc: Y.Doc) => Promise<void>}
+ */
+let contentInitializor = _ydoc => Promise.resolve()
+
+/**
+ * This function is called once every time a Yjs document is created. You can
+ * use it to pull data from an external source or initialize content.
+ *
+ * @param {(ydoc: Y.Doc) => Promise<void>} f
+ */
+export const setContentInitializor = (f) => {
+  contentInitializor = f
+}
+
+export class WSSharedDoc extends Y.Doc {
+  /**
+   * @param {string} name
+   */
+  constructor (name) {
+    super({ gc: gcEnabled })
+    this.name = name
+    /**
+     * Maps from conn to set of controlled user ids. Delete all user ids from awareness when this conn is closed
+     * @type {Map<Object, Set<number>>}
+     */
+    this.conns = new Map()
+    /**
+     * @type {awarenessProtocol.Awareness}
+     */
+    this.awareness = new awarenessProtocol.Awareness(this)
+    this.awareness.setLocalState(null)
+    /**
+     * @param {{ added: Array<number>, updated: Array<number>, removed: Array<number> }} changes
+     * @param {Object | null} conn Origin is the connection that made the change
+     */
+    const awarenessChangeHandler = ({ added, updated, removed }, conn) => {
+      const changedClients = added.concat(updated, removed)
+      if (conn !== null) {
+        const connControlledIDs = /** @type {Set<number>} */ (this.conns.get(conn))
+        if (connControlledIDs !== undefined) {
+          added.forEach(clientID => { connControlledIDs.add(clientID) })
+          removed.forEach(clientID => { connControlledIDs.delete(clientID) })
+        }
+      }
+      // broadcast awareness update
+      const encoder = encoding.createEncoder()
+      encoding.writeVarUint(encoder, messageAwareness)
+      encoding.writeVarUint8Array(encoder, awarenessProtocol.encodeAwarenessUpdate(this.awareness, changedClients))
+      const buff = encoding.toUint8Array(encoder)
+      this.conns.forEach((_, c) => {
+        send(this, c, buff)
+      })
+    }
+    this.awareness.on('update', awarenessChangeHandler)
+    this.on('update', /** @type {any} */ (updateHandler))
+    //if (isCallbackSet) {
+    //  this.on('update', (_update, _origin, doc) => {
+    //    debouncer(() => callbackHandler(/** @type {WSSharedDoc} */ (doc)))
+    //  })
+    //}
+    this.whenInitialized = contentInitializor(this)
+  }
+}
+
+/**
+ * Gets a Y.Doc by name, whether in memory or on disk
+ *
+ * @param {string} docname - the name of the Y.Doc to find or create
+ * @param {boolean} gc - whether to allow gc on the doc (applies only when created)
+ * @return {WSSharedDoc}
+ */
+export const getYDoc = (docname, gc = true) => map.setIfUndefined(docs, docname, () => {
+  const doc = new WSSharedDoc(docname)
+  doc.gc = gc
+  if (persistence !== null) {
+    persistence.bindState(docname, doc)
+  }
+  docs.set(docname, doc)
+  return doc
+})
+
+/**
+ * @param {any} conn
+ * @param {WSSharedDoc} doc
+ * @param {Uint8Array} message
+ */
+const messageListener = (conn, doc, message) => {
+  try {
+    const encoder = encoding.createEncoder()
+    const decoder = decoding.createDecoder(new Uint8Array(message))
+    const messageType = decoding.readVarUint(decoder)
+    switch (messageType) {
+      case messageSync:
+        encoding.writeVarUint(encoder, messageSync)
+        syncProtocol.readSyncMessage(decoder, encoder, doc, conn)
+
+        // If the `encoder` only contains the type of reply message and no
+        // message, there is no need to send the message. When `encoder` only
+        // contains the type of reply, its length is 1.
+        if (encoding.length(encoder) > 1) {
+          send(doc, conn, encoding.toUint8Array(encoder))
+        }
+        break
+      case messageAwareness: {
+        awarenessProtocol.applyAwarenessUpdate(doc.awareness, decoding.readVarUint8Array(decoder), conn)
+        break
+      }
+      // If this is a text or a message (no Yjs logic) - echo the message back to the client
+      default: {
+        conn.send(String(message))
+        console.log(String(message))
+        break
+      }
+    }
+  } catch (err) {
+    console.error(err)
+    // @ts-ignore
+    doc.emit('error', [err])
+  }
+}
+
+/**
+ * @param {WSSharedDoc} doc
+ * @param {any} conn
+ */
+const closeConn = (doc, conn) => {
+  if (doc.conns.has(conn)) {
+    /**
+     * @type {Set<number>}
+     */
+    // @ts-ignore
+    const controlledIds = doc.conns.get(conn)
+    doc.conns.delete(conn)
+    awarenessProtocol.removeAwarenessStates(doc.awareness, Array.from(controlledIds), null)
+    if (doc.conns.size === 0 && persistence !== null) {
+      // if persisted, we store state and destroy ydocument
+      persistence.writeState(doc.name, doc).then(() => {
+        doc.destroy()
+      })
+      docs.delete(doc.name)
+    }
+  }
+  conn.close()
+}
+
+/**
+ * @param {WSSharedDoc} doc
+ * @param {import('ws').WebSocket} conn
+ * @param {Uint8Array} m
+ */
+const send = (doc, conn, m) => {
+  if (conn.readyState !== wsReadyStateConnecting && conn.readyState !== wsReadyStateOpen) {
+    closeConn(doc, conn)
+  }
+  try {
+    conn.send(m, {}, err => { err != null && closeConn(doc, conn) })
+  } catch (e) {
+    closeConn(doc, conn)
+  }
+}
+
+const pingTimeout = 30000
+
+/**
+ * @param {import('ws').WebSocket} conn
+ * @param {import('http').IncomingMessage} req
+ * @param {any} opts
+ */
+export const setupWSConnection = (conn, req, { docName = (req.url || '').slice(1).split('?')[0], gc = true } = {}) => {
+  conn.binaryType = 'arraybuffer'
+  // get doc, initialize if it does not exist yet
+  const doc = getYDoc(docName, gc)
+  doc.conns.set(conn, new Set())
+  // listen and reply to events
+  conn.on('message', /** @param {ArrayBuffer} message */ message => messageListener(conn, doc, message))
+
+  // Check if connection is still alive
+  let pongReceived = true
+  const pingInterval = setInterval(() => {
+    if (!pongReceived) {
+      if (doc.conns.has(conn)) {
+        closeConn(doc, conn)
+      }
+      clearInterval(pingInterval)
+    } else if (doc.conns.has(conn)) {
+      pongReceived = false
+      try {
+        conn.ping()
+      } catch (e) {
+        closeConn(doc, conn)
+        clearInterval(pingInterval)
+      }
+    }
+  }, pingTimeout)
+  conn.on('close', () => {
+    closeConn(doc, conn)
+    clearInterval(pingInterval)
+  })
+  conn.on('pong', () => {
+    pongReceived = true
+  })
+  // put the following in a variables in a block so the interval handlers don't keep in in
+  // scope
+  {
+    // send sync step 1
+    const encoder = encoding.createEncoder()
+    encoding.writeVarUint(encoder, messageSync)
+    syncProtocol.writeSyncStep1(encoder, doc)
+    send(doc, conn, encoding.toUint8Array(encoder))
+    const awarenessStates = doc.awareness.getStates()
+    if (awarenessStates.size > 0) {
+      const encoder = encoding.createEncoder()
+      encoding.writeVarUint(encoder, messageAwareness)
+      encoding.writeVarUint8Array(encoder, awarenessProtocol.encodeAwarenessUpdate(doc.awareness, Array.from(awarenessStates.keys())))
+      send(doc, conn, encoding.toUint8Array(encoder))
+    }
+  }
+}