Reapply "M2: fix ws adapter for browser WebSocket + firebase path prefix"

This reverts commit 74b4c2c42d.

src/storage/ws.js

@@ -3,12 +3,26 @@
 
 'use strict';
 
-const { WebSocket } = require('ws');
+// Use native browser WebSocket when available (production). Fallback to the
+// `ws` npm package in Node/jest where global WebSocket is absent.
+let WebSocketImpl;
+if (typeof WebSocket !== 'undefined') {
+  WebSocketImpl = WebSocket;
+} else {
+  // require inside else so webpack ignores it in browser bundle
+  WebSocketImpl = require('ws').WebSocket;
+}
 
 function createWsStorage({ baseUrl, wsUrl } = {}) {
   const API = (baseUrl || 'http://127.0.0.1:4001').replace(/\/$/, '');
   const WS = wsUrl || (API.replace(/^http/, 'ws') + '/ws');
 
+  // App.js passes firebase-prefixed paths: artifacts/{APP_ID}/public/data/campaigns/...
+  // Backend uses canonical: campaigns/... Strip the prefix so all matchers work.
+  function norm(p) {
+    return p.replace(/^[\s\S]*\/public\/data\//, '');
+  }
+
   const docSubs = new Map();      // path -> Set<cb>
   const collSubs = new Map();     // collPath -> Set<cb>
   let ws = null;
@@ -18,14 +32,28 @@ function createWsStorage({ baseUrl, wsUrl } = {}) {
   function ensureWs() {
     if (wsReady) return wsReady;
     wsReady = new Promise((resolve, reject) => {
-      ws = new WebSocket(WS);
-      ws.on('open', () => resolve(ws));
-      ws.on('error', (err) => { wsReady = null; reject(err); });
-      ws.on('close', () => { wsReady = null; });
-      ws.on('message', (raw) => {
-        let msg; try { msg = JSON.parse(raw.toString()); } catch { return; }
+      ws = new WebSocketImpl(WS);
+      // addEventListener works on both browser WebSocket and Node ws pkg.
+      const onOpen = () => resolve(ws);
+      const onError = (err) => { wsReady = null; reject(err instanceof Event ? new Error('ws error') : err); };
+      const onClose = () => { wsReady = null; };
+      const onMessage = (ev) => {
+        const raw = typeof ev === 'string' ? ev : (ev.data !== undefined ? ev.data : ev);
+        let msg; try { msg = JSON.parse(typeof raw === 'string' ? raw : raw.toString()); } catch { return; }
         handleMessage(msg);
-      });
+      };
+      // browser-style property handlers
+      ws.onopen = onOpen;
+      ws.onerror = onError;
+      ws.onclose = onClose;
+      ws.onmessage = onMessage;
+      // Node ws-style addEventListener fallback (noop in browser if absent)
+      if (typeof ws.addEventListener === 'function') {
+        ws.addEventListener('open', onOpen);
+        ws.addEventListener('error', onError);
+        ws.addEventListener('close', onClose);
+        ws.addEventListener('message', onMessage);
+      }
     });
     return wsReady;
   }
@@ -34,14 +62,16 @@ function createWsStorage({ baseUrl, wsUrl } = {}) {
   async function handleMessage(msg) {
     if (msg.type !== 'change' || !msg.change) return;
     const c = msg.change;
-    // Notify doc subscribers whose path we cached.
-    for (const [path, cbs] of docSubs) {
+    // Notify doc subscribers whose normalized path we cached.
+    for (const [rawPath, cbs] of docSubs) {
+      const path = norm(rawPath);
       if (pathMatchesChange(path, c)) {
         const doc = await storage.getDoc(path);
         cbs.forEach(cb => cb(doc));
       }
     }
-    for (const [collPath, cbs] of collSubs) {
+    for (const [rawCollPath, cbs] of collSubs) {
+      const collPath = norm(rawCollPath);
       if (collMatchesChange(collPath, c)) {
         const docs = await storage.getCollection(collPath);
         cbs.forEach(cb => cb(docs));
@@ -83,8 +113,8 @@ function createWsStorage({ baseUrl, wsUrl } = {}) {
 
   const storage = {
     // --- reads ---
-    async getDoc(path) {
-      // canonical paths used by App.js
+    async getDoc(rawPath) {
+      const path = norm(rawPath);
       if (path === 'activeDisplay/status') {
         const ad = await api('GET', '/api/activeDisplay');
         return ad;
@@ -102,7 +132,8 @@ function createWsStorage({ baseUrl, wsUrl } = {}) {
       return null;
     },
 
-    async getCollection(collPath) {
+    async getCollection(rawCollPath) {
+      const collPath = norm(rawCollPath);
       if (collPath === 'campaigns') return await api('GET', '/api/campaigns');
       const m = collPath.match(/^campaigns\/([^/]+)\/encounters$/);
       if (m) return await api('GET', `/api/campaigns/${m[1]}/encounters`);
@@ -111,7 +142,8 @@ function createWsStorage({ baseUrl, wsUrl } = {}) {
     },
 
     // --- writes (translated to backend action endpoints) ---
-    async setDoc(path, data) {
+    async setDoc(rawPath, data) {
+      const path = norm(rawPath);
       // activeDisplay merges
       if (path === 'activeDisplay/status') {
         if ('activeCampaignId' in data || 'activeEncounterId' in data) {
@@ -135,7 +167,8 @@ function createWsStorage({ baseUrl, wsUrl } = {}) {
       }
     },
 
-    async updateDoc(path, patch) {
+    async updateDoc(rawPath, patch) {
+      const path = norm(rawPath);
       const cm = path.match(/^campaigns\/([^/]+)$/);
       if (cm) {
         if (Array.isArray(patch.players)) {
@@ -159,14 +192,16 @@ function createWsStorage({ baseUrl, wsUrl } = {}) {
       }
     },
 
-    async deleteDoc(path) {
+    async deleteDoc(rawPath) {
+      const path = norm(rawPath);
       const cm = path.match(/^campaigns\/([^/]+)$/);
       if (cm) { await api('DELETE', `/api/campaigns/${cm[1]}`); return; }
       const em = path.match(/^campaigns\/([^/]+)\/encounters\/([^/]+)$/);
       if (em) { await api('DELETE', `/api/campaigns/${em[1]}/encounters/${em[2]}`); return; }
     },
 
-    async addDoc(collPath, data) {
+    async addDoc(rawCollPath, data) {
+      const collPath = norm(rawCollPath);
       if (collPath === 'logs') {
         // backend auto-logs; direct insert not needed
         return { id: 'auto', path: 'logs/auto' };
@@ -181,7 +216,8 @@ function createWsStorage({ baseUrl, wsUrl } = {}) {
       }
     },
 
-    subscribeDoc(path, cb) {
+    subscribeDoc(rawPath, cb) {
+      const path = norm(rawPath);
       ensureWs().then(() => {
         // subscribe to coarse change types that could affect this path
         const types = changeTypesForDocPath(path);
@@ -194,7 +230,8 @@ function createWsStorage({ baseUrl, wsUrl } = {}) {
       return () => { docSubs.get(path)?.delete(cb); };
     },
 
-    subscribeCollection(collPath, cb) {
+    subscribeCollection(rawCollPath, cb) {
+      const collPath = norm(rawCollPath);
       ensureWs().then(() => {
         const types = changeTypesForCollPath(collPath);
         types.forEach(t => ws.send(JSON.stringify({ type: 'subscribe', key: t })));
@@ -213,13 +250,15 @@ function createWsStorage({ baseUrl, wsUrl } = {}) {
   return storage;
 }
 
-function changeTypesForDocPath(path) {
+function changeTypesForDocPath(rawPath) {
+  const path = rawPath.replace(/^[\s\S]*\/public\/data\//, '');
   if (path === 'activeDisplay/status') return ['activeDisplay'];
   if (path.match(/^campaigns\/[^/]+\/encounters\//)) return ['encounter', 'activeDisplay'];
   if (path.match(/^campaigns\//)) return ['campaign', 'campaigns'];
   return [];
 }
-function changeTypesForCollPath(collPath) {
+function changeTypesForCollPath(rawCollPath) {
+  const collPath = rawCollPath.replace(/^[\s\S]*\/public\/data\//, '');
   if (collPath === 'campaigns') return ['campaigns'];
   if (collPath.match(/^campaigns\/[^/]+\/encounters$/)) return ['encounters'];
   if (collPath === 'logs') return ['logs'];