* init p2p-poll

2026-03-18 20:09:20 +01:00
16 changed files with 10295 additions and 1808 deletions
--- a/README.md
+++ b/README.md
@@ -1,40 +1 @@
-# P2P Poll App
+# P2P Poll App
 A peer-to-peer polling app where users can add options and vote on them. All data syncs directly between browsers using WebRTC — no central server stores any poll data.
 ## How It Works
 - **Yjs CRDTs** handle shared state — concurrent edits from different peers merge automatically without conflicts
 - **y-webrtc** establishes direct WebRTC connections between browsers (a public signaling server is used only for peer discovery)
 - Each user gets a stable random ID (stored in localStorage) ensuring one vote per user per option
 - Polls are identified by room name, shareable via URL
 ## Getting Started
 ```bash
 npm install
 npm run dev
 ```
 Open `http://localhost:5173` in your browser. To share a specific poll, use the `?room=` query parameter:
 ```
 http://localhost:5173/?room=my-poll
 ```
 Share this URL with others to join the same poll.
 ## Cross-Device Testing
 ```bash
 npm run dev -- --host
 ```
 Then open `http://<your-local-ip>:5173/?room=test` on another device on the same network.
 ## Tech Stack
 - [Yjs](https://yjs.dev/) — CRDT library for conflict-free shared state
 - [y-webrtc](https://github.com/yjs/y-webrtc) — WebRTC provider for P2P connectivity
 - [Vite](https://vite.dev/) — Dev server and bundler
 - Vanilla JS — No framework dependencies
--- a/index.html
+++ b/index.html
@@ -1,33 +0,0 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>P2P Poll</title>
  <link rel="stylesheet" href="/src/style.css">
 </head>
 <body>
  <div id="app">
    <header>
      <h1>P2P Poll</h1>
      <div id="status">
        <span id="connection-status" class="connecting">Connecting...</span>
        <span id="peer-count">1 peer</span>
      </div>
    </header>
    <main>
      <div id="add-option">
        <input type="text" id="option-input" placeholder="Add a poll option..." maxlength="100">
        <button id="add-btn">Add</button>
      </div>
      <div id="poll-options"></div>
      <p id="empty-state">No options yet. Add one above!</p>
    </main>
  </div>
  <script type="module" src="/src/main.js"></script>
 </body>
 </html>
--- a/p2p-poll/.gitignore
+++ b/p2p-poll/.gitignore
@@ -0,0 +1,24 @@
 # Nuxt dev/build outputs
 .output
 .data
 .nuxt
 .nitro
 .cache
 dist
 # Node dependencies
 node_modules
 # Logs
 logs
 *.log
 # Misc
 .DS_Store
 .fleet
 .idea
 # Local env files
 .env
 .env.*
 !.env.example
--- a/p2p-poll/README.md
+++ b/p2p-poll/README.md
@@ -0,0 +1,75 @@
 # Nuxt Minimal Starter
 Look at the [Nuxt documentation](https://nuxt.com/docs/getting-started/introduction) to learn more.
 ## Setup
 Make sure to install dependencies:
 ```bash
 # npm
 npm install
 # pnpm
 pnpm install
 # yarn
 yarn install
 # bun
 bun install
 ```
 ## Development Server
 Start the development server on `http://localhost:3000`:
 ```bash
 # npm
 npm run dev
 # pnpm
 pnpm dev
 # yarn
 yarn dev
 # bun
 bun run dev
 ```
 ## Production
 Build the application for production:
 ```bash
 # npm
 npm run build
 # pnpm
 pnpm build
 # yarn
 yarn build
 # bun
 bun run build
 ```
 Locally preview production build:
 ```bash
 # npm
 npm run preview
 # pnpm
 pnpm preview
 # yarn
 yarn preview
 # bun
 bun run preview
 ```
 Check out the [deployment documentation](https://nuxt.com/docs/getting-started/deployment) for more information.
--- a/p2p-poll/app/app.vue
+++ b/p2p-poll/app/app.vue
@@ -0,0 +1,152 @@
 <style>
 /* Basic styling to make it look clean */
 body {
  font-family: system-ui, -apple-system, sans-serif;
  background-color: #f4f4f9;
  color: #333;
  margin: 0;
  display: flex;
  justify-content: center;
  padding: 2rem;
 }
 .poll-container {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  width: 100%;
  max-width: 500px;
 }
 header {
  margin-bottom: 2rem;
  text-align: center;
 }
 h1 { margin: 0 0 0.5rem 0; }
 .status {
  font-size: 0.85rem;
  color: #666;
 }
 .status .connected { color: #10b981; font-weight: bold; }
 .add-option-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
 }
 input {
  flex-grow: 1;
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 1rem;
 }
 button {
  background: #3b82f6;
  color: white;
  border: none;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
  transition: background 0.2s;
 }
 button:hover { background: #2563eb; }
 .poll-list {
  list-style: none;
  padding: 0;
  margin: 0;
 }
 .poll-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  margin-bottom: 0.5rem;
 }
 .option-name { font-weight: 500; }
 .vote-section { display: flex; align-items: center; gap: 1rem; }
 .vote-count { font-size: 0.9rem; color: #475569; }
 .vote-btn { padding: 0.4rem 0.8rem; background: #10b981; }
 .vote-btn:hover { background: #059669; }
 .empty-state { text-align: center; color: #94a3b8; font-style: italic; }
 </style>
 <template>
  <div class="poll-container">
    <ClientOnly>
      <header>
        <h1>P2P Polling App 🗳️</h1>
        <div class="status">
          <span :class="{ 'connected': isConnected }">
            ● {{ isConnected ? 'Synced' : 'Connecting...' }}
          </span>
          <span> | Peers online: {{ connectedPeers }}</span>
        </div>
      </header>
      <main>
        <form @submit.prevent="handleAddNewOption" class="add-option-form">
          <input 
            v-model="newOption" 
            type="text" 
            placeholder="Enter a new poll option..."
            required
          />
          <button type="submit">Add Option</button>
        </form>
        <div v-if="Object.keys(pollData).length === 0" class="empty-state">
          No options yet. Be the first to add one!
        </div>
        <ul v-else class="poll-list">
          <li v-for="(votes, optionName) in pollData" :key="optionName" class="poll-item">
            <span class="option-name">{{ optionName }}</span>
            <div class="vote-section">
              <span class="vote-count">{{ votes }} {{ votes === 1 ? 'vote' : 'votes' }}</span>
              <button @click="vote(String(optionName))" class="vote-btn">+1</button>
            </div>
          </li>
        </ul>
      </main>
      <template #fallback>
        <div class="empty-state">Loading P2P Node...</div>
      </template>
    </ClientOnly>
  </div>
 </template>
 <script setup lang="ts">
 import { ref } from 'vue';
 // Manually define 'global' for the browser
 if (process.client) {
  (window as any).global = window;
 }
 import { usePoll } from '../composables/usePoll';
 // Because WebRTC requires the browser environment (window/navigator),
 // we ensure our composable only runs on the client side in Nuxt.
 const newOption = ref('');
 // Destructure our P2P logic
 const { pollData, isConnected, connectedPeers, addOption, vote } = usePoll();
 const handleAddNewOption = () => {
  addOption(newOption.value);
  newOption.value = ''; // Reset input
 };
 </script>
--- a/p2p-poll/composables/usePoll.ts
+++ b/p2p-poll/composables/usePoll.ts
@@ -0,0 +1,81 @@
 // composables/usePoll.ts
 import { ref, onMounted, onUnmounted } from 'vue';
 import * as Y from 'yjs';
 export const usePoll = () => {
  // Reactive Vue state to drive the UI
  const pollData = ref<Record<string, number>>({});
  const isConnected = ref(false);
  const connectedPeers = ref(1); // 1 = just you initially
  let ydoc: Y.Doc;
  let provider: any;
  let yMap: Y.Map<number>;
  onMounted(async () => {
    // 1. Initialize the Yjs document
    ydoc = new Y.Doc();
    // 2. Connect via WebRTC. 
    // 'nuxt-p2p-poll-demo-room' is the shared room name.
    // Anyone using this exact string will sync together.
    const { WebrtcProvider } = await import('y-webrtc');
    provider = new WebrtcProvider('nuxt-p2p-poll-demo-room', ydoc);
    // Track connection status
    provider.on('synced', (arg: {synced: boolean}) => {
      isConnected.value = arg.synced;
    });
    provider.on('peers', (data: any) => {
      // data.webrtcPeers contains the connected peer IDs
      connectedPeers.value = data.webrtcPeers.length + 1; // +1 for self
    });
    // 3. Define our shared state structure. We'll use a Map 
    // where the Key is the Poll Option (string) and Value is the Vote Count (number)
    yMap = ydoc.getMap<number>('shared-poll');
    // 4. Listen for changes from other peers and update our Vue reactive state
    yMap.observe(() => {
      pollData.value = yMap.toJSON();
    });
    // Initial load in case data already exists in the room
    pollData.value = yMap.toJSON();
  });
  onUnmounted(() => {
    // Clean up when the component is destroyed
    if (provider) {
      provider.disconnect();
    }
    if (ydoc) {
      ydoc.destroy();
    }
  });
  // Action: Add a new option to the poll
  const addOption = (optionName: string) => {
    const trimmedName = optionName.trim();
    if (trimmedName && !yMap.has(trimmedName)) {
      yMap.set(trimmedName, 0); // Initialize with 0 votes
    }
  };
  // Action: Vote for an existing option
  const vote = (optionName: string) => {
    if (yMap.has(optionName)) {
      const currentVotes = yMap.get(optionName) || 0;
      yMap.set(optionName, currentVotes + 1);
    }
  };
  return {
    pollData,
    isConnected,
    connectedPeers,
    addOption,
    vote
  };
 };
--- a/p2p-poll/nuxt.config.ts
+++ b/p2p-poll/nuxt.config.ts
@@ -0,0 +1,11 @@
 // https://nuxt.com/docs/api/configuration/nuxt-config
 export default defineNuxtConfig({
  compatibilityDate: '2025-07-15',
  devtools: { enabled: true },
  ssr: false,
  vite: {
    optimizeDeps: {
      include: ['yjs', 'y-webrtc']
    }
  }
 })
--- a/p2p-poll/package-lock.json
+++ b/p2p-poll/package-lock.json
--- a/p2p-poll/package.json
+++ b/p2p-poll/package.json
@@ -0,0 +1,19 @@
 {
  "name": "p2p-poll",
  "type": "module",
  "private": true,
  "scripts": {
    "build": "nuxt build",
    "dev": "nuxt dev",
    "generate": "nuxt generate",
    "preview": "nuxt preview",
    "postinstall": "nuxt prepare"
  },
  "dependencies": {
    "nuxt": "^4.1.3",
    "vue": "^3.5.30",
    "vue-router": "^5.0.3",
    "y-webrtc": "^10.3.0",
    "yjs": "^13.6.30"
  }
 }
--- a/p2p-poll/public/favicon.ico
+++ b/p2p-poll/public/favicon.ico
--- a/p2p-poll/public/robots.txt
+++ b/p2p-poll/public/robots.txt
@@ -0,0 +1,2 @@
 User-Agent: *
 Disallow:
--- a/p2p-poll/tsconfig.json
+++ b/p2p-poll/tsconfig.json
@@ -0,0 +1,18 @@
 {
  // https://nuxt.com/docs/guide/concepts/typescript
  "files": [],
  "references": [
    {
      "path": "./.nuxt/tsconfig.app.json"
    },
    {
      "path": "./.nuxt/tsconfig.server.json"
    },
    {
      "path": "./.nuxt/tsconfig.shared.json"
    },
    {
      "path": "./.nuxt/tsconfig.node.json"
    }
  ]
 }
--- a/package-lock.json
+++ b/package-lock.json
--- a/package.json
+++ b/package.json
@@ -1,18 +0,0 @@
 {
  "name": "p2p-poll",
  "private": true,
  "version": "1.0.0",
  "type": "module",
  "scripts": {
    "dev": "vite",
    "build": "vite build",
    "preview": "vite preview"
  },
  "dependencies": {
    "yjs": "^13.6.0",
    "y-webrtc": "^10.3.0"
  },
  "devDependencies": {
    "vite": "^6.0.0"
  }
 }
--- a/src/main.js
+++ b/src/main.js
@@ -1,136 +0,0 @@
 import * as Y from 'yjs';
 import { WebrtcProvider } from 'y-webrtc';
 // --- Peer ID (stable across reloads) ---
 function getOrCreatePeerId() {
  let id = localStorage.getItem('peer-id');
  if (!id) {
    id = crypto.randomUUID();
    localStorage.setItem('peer-id', id);
  }
  return id;
 }
 const peerId = getOrCreatePeerId();
 // --- Room name from URL ---
 function getRoomName() {
  const params = new URLSearchParams(window.location.search);
  return params.get('room') || 'default-poll';
 }
 const roomName = getRoomName();
 // --- Yjs setup ---
 const ydoc = new Y.Doc();
 const provider = new WebrtcProvider(roomName, ydoc);
 const yOptions = ydoc.getMap('poll-options');
 // --- Data operations ---
 function addOption(name) {
  const id = crypto.randomUUID();
  const optionMap = new Y.Map();
  optionMap.set('name', name);
  optionMap.set('votes', new Y.Map());
  yOptions.set(id, optionMap);
 }
 function toggleVote(optionId) {
  const optionMap = yOptions.get(optionId);
  if (!optionMap) return;
  const votes = optionMap.get('votes');
  if (votes.has(peerId)) {
    votes.delete(peerId);
  } else {
    votes.set(peerId, true);
  }
 }
 // --- UI rendering ---
 const container = document.getElementById('poll-options');
 const emptyState = document.getElementById('empty-state');
 function render() {
  container.innerHTML = '';
  const entries = [];
  yOptions.forEach((optionMap, id) => {
    entries.push({
      id,
      name: optionMap.get('name'),
      votes: optionMap.get('votes').size,
      voted: optionMap.get('votes').has(peerId),
    });
  });
  entries.sort((a, b) => b.votes - a.votes || a.name.localeCompare(b.name));
  emptyState.className = entries.length > 0 ? 'hidden' : '';
  for (const entry of entries) {
    const div = document.createElement('div');
    div.className = 'poll-option';
    const nameSpan = document.createElement('span');
    nameSpan.className = 'option-name';
    nameSpan.textContent = entry.name;
    const voteCount = document.createElement('span');
    voteCount.className = 'vote-count';
    voteCount.textContent = entry.votes;
    const voteBtn = document.createElement('button');
    voteBtn.className = entry.voted ? 'vote-btn voted' : 'vote-btn';
    voteBtn.textContent = entry.voted ? 'Unvote' : 'Vote';
    voteBtn.addEventListener('click', () => toggleVote(entry.id));
    div.append(nameSpan, voteCount, voteBtn);
    container.appendChild(div);
  }
 }
 // Re-render on any change in the shared state
 yOptions.observeDeep(() => render());
 // --- Add option handlers ---
 const input = document.getElementById('option-input');
 const addBtn = document.getElementById('add-btn');
 addBtn.addEventListener('click', () => {
  const name = input.value.trim();
  if (name) {
    addOption(name);
    input.value = '';
  }
 });
 input.addEventListener('keydown', (e) => {
  if (e.key === 'Enter') addBtn.click();
 });
 // --- Connection status & peer count ---
 const statusEl = document.getElementById('connection-status');
 const peerCountEl = document.getElementById('peer-count');
 provider.on('synced', ({ synced }) => {
  statusEl.textContent = synced ? 'Connected' : 'Connecting...';
  statusEl.className = synced ? 'connected' : 'connecting';
 });
 function updatePeerCount() {
  const count = provider.awareness.getStates().size;
  peerCountEl.textContent = `${count} peer${count !== 1 ? 's' : ''}`;
 }
 provider.awareness.on('change', updatePeerCount);
 updatePeerCount();
 // --- Initial render ---
 render();
--- a/src/style.css
+++ b/src/style.css
@@ -1,144 +0,0 @@
 * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
 }
 body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #f5f5f5;
  color: #333;
  min-height: 100vh;
 }
 #app {
  max-width: 600px;
  margin: 0 auto;
  padding: 2rem 1rem;
 }
 header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
 }
 h1 {
  font-size: 1.5rem;
 }
 #status {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
  color: #666;
 }
 #connection-status::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 4px;
  vertical-align: middle;
 }
 #connection-status.connected::before {
  background: #4caf50;
 }
 #connection-status.connecting::before {
  background: #ff9800;
 }
 #add-option {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
 }
 #option-input {
  flex: 1;
  padding: 0.6rem 0.8rem;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 1rem;
  outline: none;
 }
 #option-input:focus {
  border-color: #2196f3;
 }
 #add-btn {
  padding: 0.6rem 1.2rem;
  background: #2196f3;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
 }
 #add-btn:hover {
  background: #1976d2;
 }
 .poll-option {
  display: flex;
  align-items: center;
  background: white;
  padding: 0.8rem 1rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
 }
 .option-name {
  flex: 1;
  font-size: 1rem;
 }
 .vote-count {
  font-size: 0.9rem;
  font-weight: 600;
  color: #666;
  margin-right: 0.75rem;
  min-width: 1.5rem;
  text-align: center;
 }
 .vote-btn {
  padding: 0.4rem 1rem;
  border: 2px solid #2196f3;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  background: white;
  color: #2196f3;
 }
 .vote-btn:hover {
  background: #e3f2fd;
 }
 .vote-btn.voted {
  background: #2196f3;
  color: white;
 }
 .vote-btn.voted:hover {
  background: #1976d2;
 }
 #empty-state {
  text-align: center;
  color: #999;
  padding: 2rem;
 }
 #empty-state.hidden {
  display: none;
 }