fix: avoid using localstorage polyfill to support SSR

docs/release.md

@@ -0,0 +1,11 @@
+# Release
+
+## Release npm package
+
+```bash
+yarn changeset
+yarn changeset version
+
+git add -A . && git commit
+git push
+```

package.json

@@ -3,7 +3,7 @@
   "version": "1.0.0",
   "private": true,
   "devDependencies": {
-    "turbo": "^1.6.3"
+    "turbo": "^1.7.2"
   },
   "scripts": {
     "release": "turbo run build lint test && changeset version && changeset publish"

packages/yrb-actioncable/CHANGELOG.md

@@ -1,5 +1,11 @@
 # yrb-actioncable
 
+## 0.1.4
+
+### Patch Changes
+
+- cde080e: Fix an issue with SSR and the lib0/broadcastchannel implementation of the LocalStorage polyfill.
+
 ## 0.1.3
 
 ### Patch Changes

packages/yrb-actioncable/package.json

@@ -1,5 +1,5 @@
 {
-  "version": "0.1.3",
+  "version": "0.1.4",
   "license": "MIT",
   "main": "dist/index.js",
   "typings": "dist/index.d.ts",

packages/yrb-actioncable/src/broadcastchannel.ts

@@ -0,0 +1,64 @@
+import * as map from 'lib0/map';
+
+/**
+ * Helpers for cross-tab communication using broadcastchannel with LocalStorage
+ * fallback. This is a copy of
+ * https://github.com/dmonad/lib0/blob/main/broadcastchannel.js that does not
+ * fall back to LocalStore to prevent SSR issues.
+ *
+ * ```js
+ * // In browser window A:
+ * broadcastchannel.subscribe('my events', data => console.log(data))
+ * broadcastchannel.publish('my events', 'Hello world!') // => A: 'Hello world!' fires synchronously in same tab
+ *
+ * // In browser window B:
+ * broadcastchannel.publish('my events', 'hello from tab B') // => A: 'hello from tab B'
+ * ```
+ */
+
+const channels = new Map();
+
+type Sub = (e: MessageEvent, origin: any) => void;
+
+const getChannel = (room: string) =>
+  map.setIfUndefined(channels, room, () => {
+    const subs = new Set<Sub>();
+    const bc = new BroadcastChannel(room);
+
+    bc.onmessage = e => {
+      subs.forEach((sub: Sub) => {
+        sub(e.data, 'broadcastchannel');
+      });
+    };
+
+    return {
+      bc,
+      subs,
+    };
+  });
+
+export const subscribe = (
+  room: string,
+  f: (data: any, origin: any) => void
+) => {
+  getChannel(room).subs.add(f);
+
+  return f;
+};
+
+export const unsubscribe = (room: string, f: any) => {
+  const channel = getChannel(room);
+  const unsubscribed = channel.subs.delete(f);
+  /* istanbul ignore else */
+  if (unsubscribed && channel.subs.size === 0) {
+    channel.bc.close();
+    channels.delete(room);
+  }
+  return unsubscribed;
+};
+
+export const publish = (room: string, data: any, origin: any = null) => {
+  const c = getChannel(room);
+  c.bc.postMessage(data);
+  c.subs.forEach((sub: Sub) => sub(data, origin));
+};

packages/yrb-actioncable/src/websocket-provider.ts

@@ -1,5 +1,4 @@
 import { Doc } from 'yjs';
-import { publish, subscribe, unsubscribe } from 'lib0/broadcastchannel';
 import {
   Encoder,
   createEncoder,
@@ -29,6 +28,8 @@ import {
 } from 'y-protocols/awareness';
 import { readAuthMessage } from 'y-protocols/auth';
 
+import { publish, subscribe, unsubscribe } from './broadcastchannel';
+
 type MessageHandler = (
   encoder: Encoder,
   decoder: Decoder,

yarn.lock

@@ -7756,47 +7756,47 @@ tunnel-agent@^0.6.0:
   dependencies:
     safe-buffer "^5.0.1"
 
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-  resolved "https://registry.yarnpkg.com/turbo-linux-64/-/turbo-linux-64-1.7.0.tgz#48cf63aa51cde67d5a56eb70df6d7a93548376fa"
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+[email protected].2:
+  version "1.7.2"
+  resolved "https://registry.yarnpkg.com/turbo-darwin-64/-/turbo-darwin-64-1.7.2.tgz#ee79dad3009122e5754433df348f51f93f461ae1"
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+
+[email protected].2:
+  version "1.7.2"
+  resolved "https://registry.yarnpkg.com/turbo-darwin-arm64/-/turbo-darwin-arm64-1.7.2.tgz#a5999de8a5d8d91a27a0dd9f71cc83ec2298e4d8"
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+
+[email protected].2:
+  version "1.7.2"
+  resolved "https://registry.yarnpkg.com/turbo-linux-64/-/turbo-linux-64-1.7.2.tgz#fefdb94d248ff88aafa5276dcf2350e792cb2b29"
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+
+[email protected].2:
+  version "1.7.2"
+  resolved "https://registry.yarnpkg.com/turbo-linux-arm64/-/turbo-linux-arm64-1.7.2.tgz#70e2770a5915c3db5a7c324c7b6cf4efc9b8f867"
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+
+[email protected].2:
+  version "1.7.2"
+  resolved "https://registry.yarnpkg.com/turbo-windows-64/-/turbo-windows-64-1.7.2.tgz#21e0008a28bff275de1e3ba281ec399ccc863a97"
+  integrity sha512-oE5PMoXjmR09okvVzteFb6FjA6yo+nMsacsgKH2yLNq4sOrVo9tG98JkRurOv5+L6ZQ3yGXPxWHiqeH7hLkAVQ==
+
+[email protected].2:
+  version "1.7.2"
+  resolved "https://registry.yarnpkg.com/turbo-windows-arm64/-/turbo-windows-arm64-1.7.2.tgz#873afbd6e1170d9f8d4c758ab3fbc9f7a0cd9dd7"
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+
+turbo@^1.7.2:
+  version "1.7.2"
+  resolved "https://registry.yarnpkg.com/turbo/-/turbo-1.7.2.tgz#ed7394631fac523fd0654f9c81306d40ef61014a"
+  integrity sha512-YR/x3GZEx0C1RV6Yvuw/HB1Ixx3upM6ZTTa4WqKz9WtLWN8u2g+u2h5KpG5YtjCS3wl/8zVXgHf2WiMK6KIghg==
   optionalDependencies:
-    turbo-darwin-64 "1.7.0"
-    turbo-darwin-arm64 "1.7.0"
-    turbo-linux-64 "1.7.0"
-    turbo-linux-arm64 "1.7.0"
-    turbo-windows-64 "1.7.0"
-    turbo-windows-arm64 "1.7.0"
+    turbo-darwin-64 "1.7.2"
+    turbo-darwin-arm64 "1.7.2"
+    turbo-linux-64 "1.7.2"
+    turbo-linux-arm64 "1.7.2"
+    turbo-windows-64 "1.7.2"
+    turbo-windows-arm64 "1.7.2"
 
 tweetnacl@^0.14.3, tweetnacl@~0.14.0:
   version "0.14.5"