Fix: HTTP client initialization on Web by avoiding Cronet and Cupertino fallback

core/rest_client/lib/src/http/custom_client_browser.dart

@@ -0,0 +1,5 @@
+import 'package:http/http.dart' as http;
+
+http.Client createPlatformHttpClient() {
+  return http.Client();
+}

core/rest_client/lib/src/http/custom_client_io.dart

@@ -0,0 +1,32 @@
+import 'dart:async';
+
+import 'package:cronet_http/cronet_http.dart' show CronetClient;
+import 'package:cupertino_http/cupertino_http.dart' show CupertinoClient;
+import 'package:flutter/foundation.dart' show TargetPlatform, defaultTargetPlatform;
+import 'package:http/http.dart' as http;
+
+// coverage:ignore-start
+/// Creates an [http.Client] based on the current platform.
+///
+/// For Android, it returns a [CronetClient] with the default Cronet engine.
+/// For iOS and macOS, it returns a [CupertinoClient]
+/// with the default session configuration.
+http.Client createPlatformHttpClient() {
+  http.Client? client;
+
+  final platform = defaultTargetPlatform;
+
+  try {
+    client = switch (platform) {
+      TargetPlatform.android => CronetClient.defaultCronetEngine(),
+      TargetPlatform.iOS || TargetPlatform.macOS => CupertinoClient.defaultSessionConfiguration(),
+      _ => null,
+    };
+  } on Object catch (e, stackTrace) {
+    Zone.current.print(
+      'Failed to create a default http client for platform $platform $e $stackTrace',
+    );
+  }
+
+  return client ?? http.Client();
+}

core/rest_client/lib/src/http/rest_client_http.dart

@@ -1,37 +1,15 @@
 import 'dart:async';
-
-import 'package:cronet_http/cronet_http.dart' show CronetClient;
-import 'package:cupertino_http/cupertino_http.dart' show CupertinoClient;
-import 'package:flutter/foundation.dart' show TargetPlatform, defaultTargetPlatform;
 import 'package:http/http.dart' as http;
 import 'package:rest_client/rest_client.dart';
+
 import 'package:rest_client/src/http/check_exception_io.dart'
     if (dart.library.js_interop) 'package:rest_client/src/http/check_exception_browser.dart';
+import 'package:rest_client/src/http/custom_client_io.dart'
+    if (dart.library.js_interop) 'package:rest_client/src/http/custom_client_browser.dart';
 
 // coverage:ignore-start
 /// Creates an [http.Client] based on the current platform.
-///
-/// For Android, it returns a [CronetClient] with the default Cronet engine.
-/// For iOS and macOS, it returns a [CupertinoClient]
-/// with the default session configuration.
-http.Client createDefaultHttpClient() {
-  http.Client? client;
-  final platform = defaultTargetPlatform;
-
-  try {
-    client = switch (platform) {
-      TargetPlatform.android => CronetClient.defaultCronetEngine(),
-      TargetPlatform.iOS || TargetPlatform.macOS => CupertinoClient.defaultSessionConfiguration(),
-      _ => null,
-    };
-  } on Object catch (e, stackTrace) {
-    Zone.current.print(
-      'Failed to create a default http client for platform $platform $e $stackTrace',
-    );
-  }
-
-  return client ?? http.Client();
-}
+http.Client createDefaultHttpClient() => createPlatformHttpClient();
 // coverage:ignore-end
 
 /// {@template rest_client_http}