resolved conflict

.gitignore

@@ -1,3 +1,41 @@
-node_modules
-dist
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/versions
+
+# testing
+/coverage
+
+# next.js
+/.next/
+/out/
+
+# production
+/build
+
+# misc
 .DS_Store
+*.pem
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+.pnpm-debug.log*
+
+# env files (can opt-in for committing if needed)
+.env*
+
+# vercel
+.vercel
+
+# typescript
+*.tsbuildinfo
+next-env.d.ts

MVP_PLAN.md

@@ -1,310 +0,0 @@
-# Minimal MVP Plan: P2P Poll App
-
-## Recommendation
-
-Build the MVP with:
-
-- Vanilla JS or TypeScript
-- Vite for local dev/build
-- Yjs for shared state
-- `y-webrtc` for browser-to-browser sync
-- `y-indexeddb` for local persistence/offline recovery
-
-This is the best fit for a small poll app because the data model is tiny, concurrent edits are possible, and Yjs already solves merge/conflict handling while `y-webrtc` gives a direct P2P transport with only signaling infrastructure.
-
-## Why This Stack
-
-### Recommended: Yjs + y-webrtc
-
-- Best balance of simplicity and correctness
-- Clients connect directly over WebRTC
-- No custom conflict-resolution logic needed
-- Easy to add offline persistence
-- Good fit for a single shared document/room
-
-### Not recommended for the first MVP
-
-#### PeerJS
-
-- Very simple transport layer
-- But you must design and maintain your own replication and merge rules
-- Fine for demos with a host-authoritative peer, weaker for true collaborative editing
-
-#### GUN
-
-- Fast to prototype realtime shared state
-- But official tutorials commonly use a GUN peer/relay server for shared data
-- For this app, its data model is less explicit than a CRDT and gives less control over vote semantics
-
-#### Automerge
-
-- Very capable CRDT and local-first model
-- But heavier than needed for a single small poll
-- Better choice if the project is expected to evolve into a richer collaborative app
-
-## MVP Scope
-
-Ship exactly one shared poll per room.
-
-Included:
-
-- Join a poll by opening a shared URL
-- Add a new option
-- Vote for one option
-- Change your vote
-- Realtime updates across peers
-- Local persistence in the browser
-- Basic connection status UI
-
-Excluded:
-
-- User accounts
-- Multiple polls per room
-- Option deletion/editing
-- Authentication/authorization
-- Rich presence
-- Advanced discovery
-- Production-grade TURN/signaling deployment
-
-## MVP UX
-
-Keep the interface intentionally small:
-
-- Poll title at the top
-- Option list with vote counts
-- One button per option to cast vote
-- Small form to add an option
-- Status line showing `connecting`, `connected`, or `offline`
-- Small label showing which option you voted for
-
-Join model:
-
-- Room ID in the URL, e.g. `/?room=poll-demo`
-- Users share the URL manually
-
-Identity model:
-
-- Generate a local `userId` once and store it in `localStorage`
-- Optional local display name, also stored locally
-
-## Shared Data Model
-
-Use a single Yjs document per room.
-
-Suggested structure:
-
-- `poll` as a `Y.Map`
-- `poll.title` as a string
-- `poll.options` as a `Y.Map<optionId, Y.Map>`
-- `poll.votes` as a `Y.Map<userId, optionId>`
-
-Each option record:
-
-- `id`
-- `label`
-- `createdBy`
-- `createdAt`
-
-Important design choice:
-
-Do not store vote counters as mutable shared numbers for the MVP.
-Instead, derive counts from `votes`.
-
-Why:
-
-- A user changing vote becomes a single write: `votes[userId] = optionId`
-- No double-counting logic
-- Concurrent writes are easier to reason about
-- Rendering counts from `votes` is trivial at this scale
-
-## Sync Model
-
-### Networking
-
-- Use `WebrtcProvider(roomId, ydoc)`
-- Start with the default public signaling servers for local development
-- If needed, swap to a self-hosted signaling server later without changing the app model
-
-### Persistence
-
-- Use `IndexeddbPersistence(roomId, ydoc)`
-- This preserves state across reloads and helps when reconnecting after temporary disconnects
-
-### Conflict behavior
-
-- Concurrent option additions merge naturally
-- Concurrent vote changes resolve at the per-user key level
-- Tally is recalculated from the merged vote map
-
-## Suggested Project Structure
-
-```text
-src/
-  main.ts
-  app.ts
-  state.ts
-  sync.ts
-  render.ts
-  identity.ts
-  styles.css
-index.html
-```
-
-Responsibilities:
-
-- `sync.ts`: create Yjs doc, WebRTC provider, IndexedDB provider
-- `state.ts`: shared structures, add option, cast vote, selectors
-- `identity.ts`: local `userId` and optional name
-- `render.ts`: DOM updates
-- `app.ts`: wire events to state and rendering
-
-## Implementation Plan
-
-### Phase 1: App shell
-
-- Create Vite app with vanilla TS or JS
-- Add a minimal single-page UI
-- Parse `room` from the URL
-- Generate and persist `userId`
-
-Success check:
-
-- App loads
-- Room ID appears in UI
-- User can type in the form
-
-### Phase 2: Shared state
-
-- Add Yjs document
-- Create root shared maps
-- Seed default poll title if missing
-- Observe document updates and re-render UI
-
-Success check:
-
-- State exists in one browser tab
-- Refresh keeps local state when IndexedDB is enabled
-
-### Phase 3: P2P sync
-
-- Add `y-webrtc`
-- Join room based on URL room ID
-- Show connection status from provider events
-
-Success check:
-
-- Two browsers on different tabs/devices see the same options
-- New options appear in near real time
-
-### Phase 4: Voting logic
-
-- Implement `castVote(optionId)` as `votes.set(userId, optionId)`
-- Derive tallies from `votes`
-- Highlight the local user’s current vote
-
-Success check:
-
-- Votes update live across peers
-- Changing vote updates counts correctly
-
-### Phase 5: Basic hardening
-
-- Trim/validate option labels
-- Prevent empty options
-- Ignore duplicate labels case-insensitively for MVP
-- Show simple offline/connecting text
-
-Success check:
-
-- Basic misuse does not break the UI
-- Reconnect restores updates
-
-## Minimal API Surface
-
-These functions are enough for the first build:
-
-- `getRoomId(): string`
-- `getUserId(): string`
-- `initSync(roomId): AppSync`
-- `ensurePollInitialized()`
-- `addOption(label: string)`
-- `castVote(optionId: string)`
-- `getViewModel(): PollViewModel`
-- `render(viewModel)`
-
-## Risks And MVP Mitigations
-
-### NAT / WebRTC connectivity
-
-Risk:
-
-- Some peer pairs may fail to connect in restrictive networks
-
-Mitigation:
-
-- Accept this for MVP
-- Keep signaling configurable
-- Add TURN only if testing shows frequent failures
-
-### Small public signaling dependency
-
-Risk:
-
-- Public signaling is fine for demos, not ideal for production
-
-Mitigation:
-
-- Treat it as replaceable infrastructure
-- Self-host later if the prototype is kept
-
-### Duplicate or messy options
-
-Risk:
-
-- Users may add near-duplicate entries
-
-Mitigation:
-
-- Normalize labels
-- Prevent exact duplicates for MVP
-
-### No trust/auth model
-
-Risk:
-
-- Any participant in the room can add options and vote
-
-Mitigation:
-
-- Accept for MVP
-- Frame rooms as small trusted groups
-
-## Estimated MVP Size
-
-For one developer:
-
-- Initial prototype: 0.5 to 1 day
-- Polished MVP with basic resilience: 1 to 2 days
-
-Rough code size:
-
-- 250 to 500 lines plus styles
-
-## Nice Next Steps After MVP
-
-- Copy-link button
-- Participant list / presence
-- Vote limit modes: single-choice or multi-choice
-- Option editing/deletion
-- QR code for room join
-- Self-hosted signaling server
-- PWA packaging for better offline behavior
-
-## Sources
-
-- PeerJS getting started: https://peerjs.com/client/getting-started
-- Yjs collaborative editor guide: https://docs.yjs.dev/getting-started/a-collaborative-editor
-- Yjs offline support: https://docs.yjs.dev/getting-started/allowing-offline-editing
-- y-webrtc README: https://github.com/yjs/y-webrtc
-- GUN tutorial showing shared data via a GUN peer: https://gun.eco/converse
-- Automerge network sync: https://automerge.org/docs/tutorial/network-sync/

README.md

@@ -1,39 +1 @@
 # P2P Poll App
-
-Small peer-to-peer polling app built with `Vite`, `TypeScript`, `Yjs`, `y-webrtc`, and `y-indexeddb`.
-
-## Features
-
-- single shared poll per room
-- add options collaboratively
-- one vote per user, changeable at any time
-- peer-to-peer sync over WebRTC
-- local browser persistence for refresh/reconnect recovery
-- shareable room URL
-
-## Run locally
-
-```bash
-npm install
-npm run dev
-```
-
-Open the local URL in two tabs or browsers and use the same `?room=` query string to join the same poll.
-
-Example:
-
-```text
-http://localhost:5173/?room=poll-demo
-```
-
-## Build
-
-```bash
-npm run build
-```
-
-## Notes
-
-- The app uses public signaling through `y-webrtc` for MVP simplicity.
-- Poll state is not stored on an application server.
-- WebRTC connectivity can still depend on the network environment of the participating peers.

app/globals.css

@@ -0,0 +1,26 @@
+@import "tailwindcss";
+
+:root {
+  --background: #ffffff;
+  --foreground: #171717;
+}
+
+@theme inline {
+  --color-background: var(--background);
+  --color-foreground: var(--foreground);
+  --font-sans: var(--font-geist-sans);
+  --font-mono: var(--font-geist-mono);
+}
+
+@media (prefers-color-scheme: dark) {
+  :root {
+    --background: #0a0a0a;
+    --foreground: #ededed;
+  }
+}
+
+body {
+  background: var(--background);
+  color: var(--foreground);
+  font-family: Arial, Helvetica, sans-serif;
+}

app/layout.tsx

@@ -0,0 +1,33 @@
+import type { Metadata } from "next";
+import { Geist, Geist_Mono } from "next/font/google";
+import "./globals.css";
+
+const geistSans = Geist({
+  variable: "--font-geist-sans",
+  subsets: ["latin"],
+});
+
+const geistMono = Geist_Mono({
+  variable: "--font-geist-mono",
+  subsets: ["latin"],
+});
+
+export const metadata: Metadata = {
+  title: "Create Next App",
+  description: "Generated by create next app",
+};
+
+export default function RootLayout({
+  children,
+}: Readonly<{
+  children: React.ReactNode;
+}>) {
+  return (
+    <html
+      lang="en"
+      className={`${geistSans.variable} ${geistMono.variable} h-full antialiased`}
+    >
+      <body className="min-h-full flex flex-col">{children}</body>
+    </html>
+  );
+}

app/page.tsx

@@ -0,0 +1,65 @@
+import Image from "next/image";
+
+export default function Home() {
+  return (
+    <div className="flex flex-col flex-1 items-center justify-center bg-zinc-50 font-sans dark:bg-black">
+      <main className="flex flex-1 w-full max-w-3xl flex-col items-center justify-between py-32 px-16 bg-white dark:bg-black sm:items-start">
+        <Image
+          className="dark:invert"
+          src="/next.svg"
+          alt="Next.js logo"
+          width={100}
+          height={20}
+          priority
+        />
+        <div className="flex flex-col items-center gap-6 text-center sm:items-start sm:text-left">
+          <h1 className="max-w-xs text-3xl font-semibold leading-10 tracking-tight text-black dark:text-zinc-50">
+            To get started, edit the page.tsx file.
+          </h1>
+          <p className="max-w-md text-lg leading-8 text-zinc-600 dark:text-zinc-400">
+            Looking for a starting point or more instructions? Head over to{" "}
+            <a
+              href="https://vercel.com/templates?framework=next.js&utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
+              className="font-medium text-zinc-950 dark:text-zinc-50"
+            >
+              Templates
+            </a>{" "}
+            or the{" "}
+            <a
+              href="https://nextjs.org/learn?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
+              className="font-medium text-zinc-950 dark:text-zinc-50"
+            >
+              Learning
+            </a>{" "}
+            center.
+          </p>
+        </div>
+        <div className="flex flex-col gap-4 text-base font-medium sm:flex-row">
+          <a
+            className="flex h-12 w-full items-center justify-center gap-2 rounded-full bg-foreground px-5 text-background transition-colors hover:bg-[#383838] dark:hover:bg-[#ccc] md:w-[158px]"
+            href="https://vercel.com/new?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
+            target="_blank"
+            rel="noopener noreferrer"
+          >
+            <Image
+              className="dark:invert"
+              src="/vercel.svg"
+              alt="Vercel logomark"
+              width={16}
+              height={16}
+            />
+            Deploy Now
+          </a>
+          <a
+            className="flex h-12 w-full items-center justify-center rounded-full border border-solid border-black/[.08] px-5 transition-colors hover:border-transparent hover:bg-black/[.04] dark:border-white/[.145] dark:hover:bg-[#1a1a1a] md:w-[158px]"
+            href="https://nextjs.org/docs?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
+            target="_blank"
+            rel="noopener noreferrer"
+          >
+            Documentation
+          </a>
+        </div>
+      </main>
+    </div>
+  );
+}

eslint.config.mjs

@@ -0,0 +1,18 @@
+import { defineConfig, globalIgnores } from "eslint/config";
+import nextVitals from "eslint-config-next/core-web-vitals";
+import nextTs from "eslint-config-next/typescript";
+
+const eslintConfig = defineConfig([
+  ...nextVitals,
+  ...nextTs,
+  // Override default ignores of eslint-config-next.
+  globalIgnores([
+    // Default ignores of eslint-config-next:
+    ".next/**",
+    "out/**",
+    "build/**",
+    "next-env.d.ts",
+  ]),
+]);
+
+export default eslintConfig;

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>P2P Poll</title>
-  </head>
-  <body>
-    <div id="app"></div>
-    <script type="module" src="/src/main.ts"></script>
-  </body>
-</html>

next.config.ts

@@ -0,0 +1,7 @@
+import type { NextConfig } from "next";
+
+const nextConfig: NextConfig = {
+  /* config options here */
+};
+
+export default nextConfig;

package.json

@@ -1,20 +1,26 @@
 {
-  "name": "p2p-poll-app",
+  "name": "p2p-polling",
   "version": "0.1.0",
   "private": true,
-  "type": "module",
   "scripts": {
-    "dev": "vite",
-    "build": "tsc --noEmit && vite build",
-    "preview": "vite preview"
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start",
+    "lint": "eslint"
   },
   "dependencies": {
-    "y-indexeddb": "^9.0.12",
-    "y-webrtc": "^10.3.0",
-    "yjs": "^13.6.27"
+    "next": "16.2.0",
+    "react": "19.2.4",
+    "react-dom": "19.2.4"
   },
   "devDependencies": {
-    "typescript": "^5.9.2",
-    "vite": "^7.1.5"
+    "@tailwindcss/postcss": "^4",
+    "@types/node": "^20",
+    "@types/react": "^19",
+    "@types/react-dom": "^19",
+    "eslint": "^9",
+    "eslint-config-next": "16.2.0",
+    "tailwindcss": "^4",
+    "typescript": "^5"
   }
 }

postcss.config.mjs

@@ -0,0 +1,7 @@
+const config = {
+  plugins: {
+    "@tailwindcss/postcss": {},
+  },
+};
+
+export default config;

public/file.svg

@@ -0,0 +1 @@
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public/globe.svg

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public/vercel.svg

@@ -0,0 +1 @@
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public/window.svg

@@ -0,0 +1 @@
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src/app.ts

@@ -1,107 +0,0 @@
-import { getUserId } from "./identity";
-import { renderApp } from "./render";
-import { addOption, castVote, createViewModel } from "./state";
-import { initSync } from "./sync";
-
-const ROOM_PARAM = "room";
-
-function createRoomId() {
-  const seed = typeof crypto.randomUUID === "function"
-    ? crypto.randomUUID().slice(0, 8)
-    : Math.random().toString(36).slice(2, 10);
-
-  return `poll-${seed}`;
-}
-
-function ensureRoomId() {
-  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) {
-  const roomId = ensureRoomId();
-  const userId = getUserId();
-  const sync = initSync(roomId);
-  let feedbackMessage = "Ready to collaborate.";
-  let feedbackTimer: number | undefined;
-
-  const setFeedbackMessage = (message: string) => {
-    feedbackMessage = message;
-    render();
-
-    if (feedbackTimer) {
-      window.clearTimeout(feedbackTimer);
-    }
-
-    feedbackTimer = window.setTimeout(() => {
-      feedbackMessage = "Ready to collaborate.";
-      render();
-    }, 2400);
-  };
-
-  const render = () => {
-    const viewModel = createViewModel({
-      meta: sync.meta,
-      options: sync.options,
-      votes: sync.votes,
-      roomId,
-      shareUrl: window.location.href,
-      connectionStatus: sync.getConnectionStatus(),
-      userId,
-    });
-
-    renderApp(container, viewModel, feedbackMessage, {
-      onSubmitOption: (label) => {
-        const result = addOption(sync.options, label, userId);
-        if (!result.ok) {
-          setFeedbackMessage(result.error);
-          return;
-        }
-
-        setFeedbackMessage("Option added and syncing.");
-      },
-      onVote: (optionId) => {
-        castVote(sync.votes, userId, optionId);
-        setFeedbackMessage("Vote updated.");
-      },
-      onCopyLink: async () => {
-        try {
-          await navigator.clipboard.writeText(window.location.href);
-          setFeedbackMessage("Room link copied.");
-        } catch {
-          setFeedbackMessage("Could not copy the link in this browser.");
-        }
-      },
-    });
-  };
-
-  const rerender = () => render();
-  const observe = () => rerender();
-
-  sync.doc.on("update", observe);
-  sync.persistence.once("synced", rerender);
-  sync.provider.on("status", rerender);
-  window.addEventListener("online", rerender);
-  window.addEventListener("offline", rerender);
-
-  render();
-
-  return () => {
-    if (feedbackTimer) {
-      window.clearTimeout(feedbackTimer);
-    }
-    sync.doc.off("update", observe);
-    sync.provider.off("status", rerender);
-    window.removeEventListener("online", rerender);
-    window.removeEventListener("offline", rerender);
-    sync.destroy();
-  };
-}

src/identity.ts

@@ -1,20 +0,0 @@
-const USER_ID_KEY = "p2p-poll:user-id";
-
-function createUserId() {
-  if (typeof crypto.randomUUID === "function") {
-    return crypto.randomUUID();
-  }
-
-  return `user-${Math.random().toString(36).slice(2, 10)}`;
-}
-
-export function getUserId() {
-  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

@@ -1,11 +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/render.ts

@@ -1,131 +0,0 @@
-import type { PollViewModel } from "./state";
-
-interface RenderActions {
-  onSubmitOption: (label: string) => void;
-  onVote: (optionId: string) => void;
-  onCopyLink: () => void;
-}
-
-function escapeHtml(value: string) {
-  return value
-    .replaceAll("&", "&")
-    .replaceAll("<", "&lt;")
-    .replaceAll(">", "&gt;")
-    .replaceAll('"', "&quot;")
-    .replaceAll("'", "&#39;");
-}
-
-export function renderApp(
-  container: HTMLElement,
-  viewModel: PollViewModel,
-  feedbackMessage: string,
-  actions: RenderActions,
-) {
-  const optionMarkup = viewModel.options.length
-    ? viewModel.options
-        .map((option) => {
-          const buttonLabel = option.isSelectedByMe ? "Selected" : "Vote";
-          const selectedClass = option.isSelectedByMe ? "option-card selected" : "option-card";
-
-          return `
-            <li class="${selectedClass}">
-              <div class="option-main">
-                <div>
-                  <p class="option-label">${escapeHtml(option.label)}</p>
-                  <p class="option-meta">${option.voteCount} vote${option.voteCount === 1 ? "" : "s"}</p>
-                </div>
-                <button class="vote-button" data-option-id="${option.id}">
-                  ${buttonLabel}
-                </button>
-              </div>
-            </li>
-          `;
-        })
-        .join("")
-    : `
-      <li class="empty-state">
-        No options yet. Add the first one and it will sync to everyone in this room.
-      </li>
-    `;
-
-  const statusClass = `status-pill ${viewModel.connectionStatus}`;
-  const myVoteLabel = viewModel.myVoteOptionId
-    ? "Your vote is currently synced."
-    : "You have not voted yet.";
-
-  container.innerHTML = `
-    <main class="shell">
-      <section class="hero">
-        <div class="hero-copy">
-          <p class="eyebrow">Peer-to-peer room</p>
-          <h1>${escapeHtml(viewModel.title)}</h1>
-          <p class="hero-text">
-            Share the room link, add options, and vote live without a central app server storing poll state.
-          </p>
-        </div>
-        <div class="hero-meta">
-          <span class="${statusClass}">${viewModel.connectionStatus}</span>
-          <p class="room-label">Room: <code>${escapeHtml(viewModel.roomId)}</code></p>
-        </div>
-      </section>
-
-      <section class="panel share-panel">
-        <label class="field-label" for="share-url">Share this room</label>
-        <div class="share-row">
-          <input id="share-url" class="share-input" type="text" readonly value="${escapeHtml(viewModel.shareUrl)}" />
-          <button id="copy-link-button" class="secondary-button" type="button">Copy link</button>
-        </div>
-      </section>
-
-      <section class="panel">
-        <div class="section-header">
-          <div>
-            <h2>Options</h2>
-            <p>${myVoteLabel}</p>
-          </div>
-        </div>
-        <ul class="options-list">${optionMarkup}</ul>
-      </section>
-
-      <section class="panel">
-        <h2>Add an option</h2>
-        <form id="add-option-form" class="option-form">
-          <input
-            id="option-input"
-            name="option"
-            type="text"
-            maxlength="80"
-            placeholder="Add an option"
-            autocomplete="off"
-            required
-          />
-          <button class="primary-button" type="submit">Add option</button>
-        </form>
-        <p class="feedback" aria-live="polite">${escapeHtml(feedbackMessage)}</p>
-      </section>
-    </main>
-  `;
-
-  const addOptionForm = container.querySelector<HTMLFormElement>("#add-option-form");
-  const optionInput = container.querySelector<HTMLInputElement>("#option-input");
-  const copyLinkButton = container.querySelector<HTMLButtonElement>("#copy-link-button");
-
-  addOptionForm?.addEventListener("submit", (event) => {
-    event.preventDefault();
-    const label = optionInput?.value ?? "";
-    actions.onSubmitOption(label);
-  });
-
-  copyLinkButton?.addEventListener("click", () => {
-    actions.onCopyLink();
-  });
-
-  container.querySelectorAll<HTMLButtonElement>("[data-option-id]").forEach((button) => {
-    button.addEventListener("click", () => {
-      const optionId = button.dataset.optionId;
-      if (optionId) {
-        actions.onVote(optionId);
-      }
-    });
-  });
-}

src/state.ts

@@ -1,124 +0,0 @@
-import * as Y from "yjs";
-
-export const DEFAULT_POLL_TITLE = "Shared Poll";
-
-export type ConnectionStatus = "connecting" | "connected" | "offline";
-
-export interface OptionRecord {
-  id: string;
-  label: string;
-  createdAt: number;
-  createdBy: string;
-}
-
-export interface PollOptionViewModel extends OptionRecord {
-  voteCount: number;
-  isSelectedByMe: boolean;
-}
-
-export interface PollViewModel {
-  title: string;
-  roomId: string;
-  shareUrl: string;
-  connectionStatus: ConnectionStatus;
-  options: PollOptionViewModel[];
-  myVoteOptionId: string | null;
-}
-
-const META_KEY_TITLE = "title";
-
-function createOptionId() {
-  if (typeof crypto.randomUUID === "function") {
-    return crypto.randomUUID();
-  }
-
-  return `option-${Math.random().toString(36).slice(2, 10)}`;
-}
-
-function normalizeLabel(label: string) {
-  return label.trim().replace(/\s+/g, " ");
-}
-
-function getPollTitle(meta: Y.Map<string>) {
-  return meta.get(META_KEY_TITLE) ?? DEFAULT_POLL_TITLE;
-}
-
-export function ensurePollInitialized(meta: Y.Map<string>) {
-  if (!meta.has(META_KEY_TITLE)) {
-    meta.set(META_KEY_TITLE, DEFAULT_POLL_TITLE);
-  }
-}
-
-export function addOption(
-  options: Y.Map<OptionRecord>,
-  rawLabel: string,
-  userId: string,
-) {
-  const label = normalizeLabel(rawLabel);
-  if (!label) {
-    return { ok: false as const, error: "Option label 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 as const, error: "That option already exists." };
-  }
-
-  const option: OptionRecord = {
-    id: createOptionId(),
-    label,
-    createdAt: Date.now(),
-    createdBy: userId,
-  };
-
-  options.set(option.id, option);
-  return { ok: true as const, optionId: option.id };
-}
-
-export function castVote(votes: Y.Map<string>, userId: string, optionId: string) {
-  votes.set(userId, optionId);
-}
-
-export function createViewModel(params: {
-  meta: Y.Map<string>;
-  options: Y.Map<OptionRecord>;
-  votes: Y.Map<string>;
-  roomId: string;
-  shareUrl: string;
-  connectionStatus: ConnectionStatus;
-  userId: string;
-}): PollViewModel {
-  const { meta, options, votes, roomId, shareUrl, connectionStatus, userId } =
-    params;
-
-  const tally = new Map<string, number>();
-  for (const optionId of votes.values()) {
-    tally.set(optionId, (tally.get(optionId) ?? 0) + 1);
-  }
-
-  const myVoteOptionId = votes.get(userId) ?? null;
-  const sortedOptions = Array.from(options.values()).sort((left, right) => {
-    if (left.createdAt !== right.createdAt) {
-      return left.createdAt - right.createdAt;
-    }
-
-    return left.label.localeCompare(right.label);
-  });
-
-  return {
-    title: getPollTitle(meta),
-    roomId,
-    shareUrl,
-    connectionStatus,
-    myVoteOptionId,
-    options: sortedOptions.map((option) => ({
-      ...option,
-      voteCount: tally.get(option.id) ?? 0,
-      isSelectedByMe: myVoteOptionId === option.id,
-    })),
-  };
-}

src/styles.css

@@ -1,256 +0,0 @@
-:root {
-  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
-  color: #132238;
-  background:
-    radial-gradient(circle at top left, rgba(255, 190, 120, 0.55), transparent 28%),
-    radial-gradient(circle at top right, rgba(86, 201, 166, 0.3), transparent 24%),
-    linear-gradient(180deg, #f9f4e8 0%, #f4efe6 48%, #ece5d8 100%);
-  line-height: 1.5;
-  font-weight: 400;
-  color-scheme: light;
-}
-
-* {
-  box-sizing: border-box;
-}
-
-body {
-  margin: 0;
-  min-height: 100vh;
-}
-
-button,
-input {
-  font: inherit;
-}
-
-button {
-  cursor: pointer;
-}
-
-#app {
-  min-height: 100vh;
-}
-
-.shell {
-  width: min(920px, calc(100% - 2rem));
-  margin: 0 auto;
-  padding: 2rem 0 3rem;
-}
-
-.hero {
-  display: flex;
-  justify-content: space-between;
-  gap: 1.5rem;
-  align-items: flex-start;
-  margin-bottom: 1.5rem;
-}
-
-.hero-copy h1 {
-  margin: 0.15rem 0 0.5rem;
-  font-size: clamp(2.4rem, 6vw, 4rem);
-  line-height: 0.95;
-  letter-spacing: -0.05em;
-}
-
-.hero-text,
-.section-header p,
-.feedback,
-.option-meta,
-.room-label {
-  color: #4a5a6a;
-}
-
-.eyebrow {
-  margin: 0;
-  text-transform: uppercase;
-  letter-spacing: 0.16em;
-  font-size: 0.8rem;
-  color: #915f00;
-}
-
-.hero-meta {
-  min-width: 15rem;
-  padding: 1rem 1.1rem;
-  border-radius: 1.2rem;
-  background: rgba(255, 255, 255, 0.68);
-  border: 1px solid rgba(19, 34, 56, 0.08);
-  backdrop-filter: blur(10px);
-}
-
-.status-pill {
-  display: inline-flex;
-  align-items: center;
-  padding: 0.35rem 0.75rem;
-  border-radius: 999px;
-  font-weight: 700;
-  text-transform: capitalize;
-  font-size: 0.9rem;
-}
-
-.status-pill.connected {
-  background: rgba(86, 201, 166, 0.18);
-  color: #135d43;
-}
-
-.status-pill.connecting {
-  background: rgba(255, 190, 120, 0.22);
-  color: #8c5300;
-}
-
-.status-pill.offline {
-  background: rgba(219, 82, 82, 0.16);
-  color: #8f1f1f;
-}
-
-.panel {
-  margin-bottom: 1.25rem;
-  padding: 1.25rem;
-  border-radius: 1.3rem;
-  background: rgba(255, 255, 255, 0.78);
-  border: 1px solid rgba(19, 34, 56, 0.08);
-  box-shadow: 0 14px 40px rgba(19, 34, 56, 0.08);
-  backdrop-filter: blur(10px);
-}
-
-.panel h2 {
-  margin: 0 0 0.45rem;
-  font-size: 1.1rem;
-}
-
-.share-row,
-.option-form,
-.option-main {
-  display: flex;
-  gap: 0.75rem;
-}
-
-.field-label {
-  display: block;
-  margin-bottom: 0.6rem;
-  font-weight: 700;
-}
-
-.share-input,
-.option-form input {
-  width: 100%;
-  min-width: 0;
-  border-radius: 0.95rem;
-  border: 1px solid rgba(19, 34, 56, 0.14);
-  background: rgba(255, 255, 255, 0.94);
-  padding: 0.85rem 1rem;
-  color: #132238;
-}
-
-.share-input:focus,
-.option-form input:focus {
-  outline: 2px solid rgba(255, 190, 120, 0.65);
-  outline-offset: 1px;
-}
-
-.primary-button,
-.secondary-button,
-.vote-button {
-  border: none;
-  border-radius: 0.95rem;
-  padding: 0.85rem 1rem;
-  font-weight: 700;
-  transition: transform 150ms ease, box-shadow 150ms ease, background-color 150ms ease;
-}
-
-.primary-button,
-.vote-button {
-  background: #132238;
-  color: #f9f4e8;
-  box-shadow: 0 10px 20px rgba(19, 34, 56, 0.14);
-}
-
-.secondary-button {
-  background: rgba(19, 34, 56, 0.08);
-  color: #132238;
-}
-
-.primary-button:hover,
-.secondary-button:hover,
-.vote-button:hover {
-  transform: translateY(-1px);
-}
-
-.options-list {
-  list-style: none;
-  margin: 1rem 0 0;
-  padding: 0;
-  display: grid;
-  gap: 0.75rem;
-}
-
-.option-card,
-.empty-state {
-  border-radius: 1.1rem;
-  padding: 1rem;
-  background: rgba(247, 244, 236, 0.95);
-  border: 1px solid rgba(19, 34, 56, 0.08);
-}
-
-.option-card.selected {
-  border-color: rgba(86, 201, 166, 0.85);
-  background: rgba(232, 249, 242, 0.95);
-}
-
-.option-main {
-  align-items: center;
-  justify-content: space-between;
-}
-
-.option-label {
-  margin: 0;
-  font-size: 1.05rem;
-  font-weight: 700;
-}
-
-.option-meta,
-.feedback,
-.room-label {
-  margin: 0.35rem 0 0;
-}
-
-.section-header {
-  display: flex;
-  justify-content: space-between;
-  align-items: baseline;
-  gap: 1rem;
-}
-
-.feedback {
-  min-height: 1.5rem;
-}
-
-code {
-  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
-}
-
-@media (max-width: 720px) {
-  .shell {
-    width: min(100% - 1rem, 920px);
-    padding-top: 1rem;
-  }
-
-  .hero,
-  .share-row,
-  .option-form,
-  .option-main,
-  .section-header {
-    flex-direction: column;
-  }
-
-  .hero-meta {
-    width: 100%;
-    min-width: 0;
-  }
-
-  .primary-button,
-  .secondary-button,
-  .vote-button {
-    width: 100%;
-  }
-}

src/sync.ts

@@ -1,64 +0,0 @@
-import { IndexeddbPersistence } from "y-indexeddb";
-import { WebrtcProvider } from "y-webrtc";
-import * as Y from "yjs";
-
-import { type ConnectionStatus, ensurePollInitialized, type OptionRecord } from "./state";
-
-export interface AppSync {
-  doc: Y.Doc;
-  meta: Y.Map<string>;
-  options: Y.Map<OptionRecord>;
-  votes: Y.Map<string>;
-  provider: WebrtcProvider;
-  persistence: IndexeddbPersistence;
-  getConnectionStatus: () => ConnectionStatus;
-  destroy: () => void;
-}
-
-export function initSync(roomId: string): AppSync {
-  const doc = new Y.Doc();
-  const meta = doc.getMap<string>("poll-meta");
-  const options = doc.getMap<OptionRecord>("poll-options");
-  const votes = doc.getMap<string>("poll-votes");
-
-  ensurePollInitialized(meta);
-
-  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");
-  });
-
-  window.addEventListener("online", handleOnline);
-  window.addEventListener("offline", handleOffline);
-
-  return {
-    doc,
-    meta,
-    options,
-    votes,
-    provider,
-    persistence,
-    getConnectionStatus: () => connectionStatus,
-    destroy: () => {
-      window.removeEventListener("online", handleOnline);
-      window.removeEventListener("offline", handleOffline);
-      persistence.destroy();
-      provider.destroy();
-      doc.destroy();
-    },
-  };
-}

tsconfig.json

@@ -1,15 +1,34 @@
 {
   "compilerOptions": {
-    "target": "ES2022",
-    "module": "ESNext",
-    "moduleResolution": "Bundler",
-    "lib": ["DOM", "DOM.Iterable", "ES2022"],
+    "target": "ES2017",
+    "lib": ["dom", "dom.iterable", "esnext"],
+    "allowJs": true,
+    "skipLibCheck": true,
     "strict": true,
     "noEmit": true,
     "esModuleInterop": true,
-    "skipLibCheck": true,
-    "allowSyntheticDefaultImports": true,
-    "useDefineForClassFields": true
-  },
-  "include": ["src"]
+    "module": "esnext",
+    "moduleResolution": "bundler",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "jsx": "react-jsx",
+    "incremental": true,
+    "plugins": [
+      {
+        "name": "next"
+      }
+    ],
+    "paths": {
+      "@/*": ["./*"]
+    }
+  },
+  "include": [
+    "next-env.d.ts",
+    "**/*.ts",
+    "**/*.tsx",
+    ".next/types/**/*.ts",
+    ".next/dev/types/**/*.ts",
+    "**/*.mts"
+  ],
+  "exclude": ["node_modules"]
 }