fix analyzer.

Author: cloudwebrtc

lib/src/e2ee.worker/e2ee.cryptor.dart

@@ -4,6 +4,7 @@ import 'dart:js_interop_unsafe';
 import 'dart:math';
 import 'dart:typed_data';
 
+// ignore: deprecated_member_use
 import 'package:js/js.dart';
 import 'package:web/web.dart' as web;
 import 'e2ee.keyhandler.dart';

lib/src/e2ee.worker/e2ee.utils.dart

@@ -2,6 +2,7 @@ import 'dart:js_interop';
 import 'dart:js_interop_unsafe';
 import 'dart:typed_data';
 
+// ignore: deprecated_member_use
 import 'package:js/js_util.dart';
 import 'package:web/web.dart' as web;
 

lib/src/frame_cryptor_impl.dart

@@ -461,8 +461,8 @@ class FrameCryptorFactoryImpl implements FrameCryptorFactory {
 
       jsReceiver.transform = web.RTCRtpScriptTransform(worker, options.jsify());
     } else {
-      RTCInsertableStreams? insertableStreams = jsReceiver
-          .getProperty('insertableStreams'.toJS) as RTCInsertableStreams?;
+      var insertableStreams = jsReceiver.getProperty('insertableStreams'.toJS)
+          as RTCInsertableStreams?;
 
       var exist = insertableStreams != null;
 
@@ -473,8 +473,8 @@ class FrameCryptorFactoryImpl implements FrameCryptorFactory {
         jsReceiver.setProperty('insertableStreams'.toJS, insertableStreams);
       }
 
-      var readable = insertableStreams!.readable;
-      var writable = insertableStreams!.writable;
+      var readable = insertableStreams.readable;
+      var writable = insertableStreams.writable;
       var msgId = randomString(12);
 
       try {
@@ -536,8 +536,8 @@ class FrameCryptorFactoryImpl implements FrameCryptorFactory {
       print('object: ${options['keyProviderId']}');
       jsSender.transform = web.RTCRtpScriptTransform(worker, options.jsify());
     } else {
-      RTCInsertableStreams? insertableStreams = jsSender
-          .getProperty('insertableStreams'.toJS) as RTCInsertableStreams?;
+      var insertableStreams = jsSender.getProperty('insertableStreams'.toJS)
+          as RTCInsertableStreams?;
 
       var exist = insertableStreams != null;
 
@@ -548,8 +548,8 @@ class FrameCryptorFactoryImpl implements FrameCryptorFactory {
         jsSender.setProperty('insertableStreams'.toJS, insertableStreams);
       }
 
-      var readable = insertableStreams!.readable;
-      var writable = insertableStreams!.writable;
+      var readable = insertableStreams.readable;
+      var writable = insertableStreams.writable;
 
       var msgId = randomString(12);
       try {