1. Fixed #393 Bug: type 'Null' is not a subtype of type 'bool'

2. Bump 3.0.0-beta.3

Author: jumperchen

CHANGELOG.md

@@ -1,8 +1,13 @@
+## 3.0.0-beta.3
+
+**Bug fix:**
+* [#393](https://github.com/rikulo/socket.io-client-dart/issues/393) Bug: type 'Null' is not a subtype of type 'bool'
+
 ## 3.0.0-beta.2
 
 **Bug fix:**
 * [#373](https://github.com/rikulo/socket.io-client-dart/issues/373) hot restart error - Unhandled Exception: type 'Null' is not a subtype of type 'bool'
-* 
+
 ## 3.0.0-beta.1
 
 **Bug fix:**

lib/src/socket.dart

@@ -170,7 +170,9 @@ class Socket extends EventEmitter {
     var packet = {
       'type': EVENT,
       'data': sendData,
-      'options': {'compress': flags.isNotEmpty == true && flags['compress']}
+      'options': {
+        'compress': flags.isNotEmpty == true && (flags['compress'] ?? false)
+      }
     };
 
     // event ack callback

pubspec.yaml

@@ -1,6 +1,6 @@
 name: socket_io_client
 description: Dartlang port of socket.io-client for web, flutter, dartvm to use
-version: 3.0.0-beta.2
+version: 3.0.0-beta.3
 homepage: https://www.zkoss.org
 repository: https://github.com/rikulo/socket.io-client-dart
 issue_tracker: https://github.com/rikulo/socket.io-client-dart/issues