chore: Fix analyze issues

Author: abarker-launchdarkly

packages/common/lib/src/ld_value.dart

@@ -221,15 +221,15 @@ final class LDValue {
   /// Returns this value as an `int` if the value is numeric, otherwise returns `0`.
   ///
   /// Equivalent to `LDValue.numValue().toInt()`
-  int intValue() => _value is num ? (_value as num).toInt() : 0;
+  int intValue() => _value is num ? _value.toInt() : 0;
 
   /// Returns this value as a `double` if the value is numeric, otherwise returns `0`.
   ///
   /// Equivalent to `LDValue.numValue().toDouble()`
-  double doubleValue() => _value is num ? (_value as num).toDouble() : 0;
+  double doubleValue() => _value is num ? _value.toDouble() : 0;
 
   /// Returns this value as a `String` if the type matches, otherwise returns an empty string.
-  String stringValue() => _value is String ? (_value as String) : '';
+  String stringValue() => _value is String ? _value : '';
 
   /// Starts building an array value.
   ///
@@ -278,7 +278,7 @@ final class LDValue {
   /// Returns [ofNull] if the value is not an array or if the index is out of range.
   LDValue get(int index) {
     if (_value is _LDValueArray) {
-      return (_value as _LDValueArray)[index];
+      return _value[index];
     }
     return LDValue.ofNull();
   }
@@ -288,37 +288,37 @@ final class LDValue {
   /// Returns [ofNull] if the value is not an object or if the key is not found.
   LDValue getFor(String key) {
     if (_value is _LDValueObject) {
-      return (_value as _LDValueObject)[key];
+      return _value[key];
     }
     return LDValue.ofNull();
   }
 
   /// Enumerates the property names in an object, returns an empty iterable for all other types.
   Iterable<String> get keys {
     if (_value is _LDValueObject) {
-      return (_value as _LDValueObject).keys;
+      return _value.keys;
     }
     return [];
   }
 
   /// Enumerates the property values in an array or object, returns an empty iterable for all other types.
   Iterable<LDValue> get values {
     if (_value is _LDValueObject) {
-      return (_value as _LDValueObject).values;
+      return _value.values;
     }
     if (_value is _LDValueArray) {
-      return (_value as _LDValueArray).values;
+      return _value.values;
     }
     return [];
   }
 
   /// Returns the number of elements in an array or object, returns `0` for all other types.
   int get length {
     if (_value is _LDValueObject) {
-      return (_value as _LDValueObject).length;
+      return _value.length;
     }
     if (_value is _LDValueArray) {
-      return (_value as _LDValueArray).length;
+      return _value.length;
     }
     return 0;
   }

packages/common_client/lib/src/context_modifiers/env_context_modifier.dart

@@ -153,7 +153,7 @@ class _Node {
 
   bool tryWrite(_ISettableMap settableMap) {
     if (_value != null && _value != LDValue.ofNull()) {
-      settableMap.set(_key, _value!);
+      settableMap.set(_key, _value);
       return true;
     }
 
@@ -162,7 +162,7 @@ class _Node {
     final objBuilder = LDValue.buildObject();
     final adaptedBuilder = _ObjectBuilderAdapter(objBuilder);
 
-    final wroteANode = _children!.fold(false,
+    final wroteANode = _children.fold(false,
         (wroteANode, node) => wroteANode | node.tryWrite(adaptedBuilder));
 
     if (!wroteANode) return false;

packages/common_client/lib/src/data_sources/data_source_manager.dart

@@ -127,7 +127,7 @@ final class DataSourceManager {
         _statusManager.setOffline();
       case ConnectionMode.streaming:
       case ConnectionMode.polling:
-      default:
+      // default:
       // We may want to consider adding another state to the data source state
       // for the intermediate between switching data sources, or for identifying
       // a new context.

packages/event_source_client/lib/src/sse_client_html.dart

@@ -1,4 +1,5 @@
 import 'dart:async';
+// ignore: deprecated_member_use
 import 'dart:html' as html;
 import 'dart:math' as math;
 

packages/flutter_client_sdk/example/lib/main.dart

@@ -134,12 +134,14 @@ class _MyHomePageState extends State<MyHomePage> {
                                                     _userKeyController.text)
                                                 .build())
                                             .then((value) {
-                                          ScaffoldMessenger.of(context)
-                                              .showSnackBar(
-                                            const SnackBar(
-                                                content:
-                                                    Text('Identify complete')),
-                                          );
+                                          if (context.mounted) {
+                                            ScaffoldMessenger.of(context)
+                                                .showSnackBar(
+                                              const SnackBar(
+                                                  content: Text(
+                                                      'Identify complete')),
+                                            );
+                                          }
                                         });
                                       }
                                     },

packages/flutter_client_sdk/lib/src/lifecycle/js_lifecycle_listener.dart

@@ -1,4 +1,5 @@
 import 'dart:async';
+// ignore: deprecated_member_use
 import 'dart:html' as html;
 
 import 'package:flutter/widgets.dart';