persistir

fixes #5

package.json

@@ -35,6 +35,7 @@
     "nanoid": "^4.0.1",
     "navaid": "^1.2.0",
     "regexparam": "^2.0.1",
+    "y-indexeddb": "^9.0.9",
     "y-prosemirror": "^1.2.0",
     "y-protocols": "^1.0.5",
     "y-webrtc": "^10.2.4",

pnpm-lock.yaml

@@ -24,6 +24,7 @@ specifiers:
   tslib: ^2.5.0
   typescript: ^4.9.3
   vite: ^4.1.0
+  y-indexeddb: ^9.0.9
   y-prosemirror: ^1.2.0
   y-protocols: ^1.0.5
   y-webrtc: ^10.2.4
@@ -34,6 +35,7 @@ dependencies:
   nanoid: 4.0.1
   navaid: 1.2.0
   regexparam: 2.0.1
+  y-indexeddb: 9.0.9_yjs@13.5.48
   y-prosemirror: 1.2.0_vhy2hiocjqydif5dwvxgfnpihi
   y-protocols: 1.0.5
   y-webrtc: 10.2.4
@@ -1195,6 +1197,15 @@ packages:
     dev: false
     optional: true
 
+  /y-indexeddb/9.0.9_yjs@13.5.48:
+    resolution: {integrity: sha512-GcJbiJa2eD5hankj46Hea9z4hbDnDjvh1fT62E5SpZRsv8GcEemw34l1hwI2eknGcv5Ih9JfusT37JLx9q3LFg==}
+    peerDependencies:
+      yjs: ^13.0.0
+    dependencies:
+      lib0: 0.2.63
+      yjs: 13.5.48
+    dev: false
+
   /y-prosemirror/1.2.0_vhy2hiocjqydif5dwvxgfnpihi:
     resolution: {integrity: sha512-t3uxuX4HIkb1GNt8jV+dplRbNH2OmQD/BNeCCbjLD3Mq0o6JEXxHedv58ZIPFDE6ma24jljlL+u8pGvN6B37XQ==}
     peerDependencies:

src/lib/doc.ts

@@ -1,5 +1,6 @@
 import * as Y from "yjs";
 import { WebrtcProvider } from "y-webrtc";
+import { IndexeddbPersistence } from "y-indexeddb";
 import { nanoid } from "nanoid";
 
 export type WorldIdentifier = {
@@ -34,6 +35,7 @@ export function getWorldY(world: WorldIdentifier): WorldY {
       "wss://y-webrtc-signaling-us.herokuapp.com",
     ],
   });
+  const idbProvider = new IndexeddbPersistence(world.room, ydoc);
   const worldY = { ydoc, webrtcProvider: provider };
   worldYCache[world.room] = worldY;
   return worldY;