Attempt to fix WASM compile errors (#2267)

From what understand, we added conditional `js_interop` imports that
force `dart:html` imports into WASM builds.
Since we don't yet support WASM, I don't completely understand how it
actually compiled to WASM before change.

For now we can just remove the conditional imports and add them back
together with actual WASM support.
Hopefully fixes #2266 

Signed-off-by: Alex Li <github@alexv525.com>
Co-authored-by: Alex Li <github@alexv525.com>

dio/CHANGELOG.md

@@ -5,7 +5,7 @@ See the [Migration Guide][] for the complete breaking changes list.**
 
 ## Unreleased
 
-*None.*
+- Fix WASM compile errors after moving the web implementation to `dio_web_adapter`.
 
 ## 5.5.0
 

dio/lib/src/adapter.dart

@@ -4,7 +4,6 @@ import 'dart:typed_data';
 import 'package:meta/meta.dart';
 
 import 'adapters/io_adapter.dart'
-    if (dart.library.js_interop) 'adapters/browser_adapter.dart'
     if (dart.library.html) 'adapters/browser_adapter.dart' as adapter;
 import 'headers.dart';
 import 'options.dart';

dio/lib/src/compute/compute.dart

@@ -25,9 +25,7 @@
 
 import 'dart:async';
 
-import 'compute_io.dart'
-    if (dart.library.js_interop) 'compute_web.dart'
-    if (dart.library.html) 'compute_web.dart' as _c;
+import 'compute_io.dart' if (dart.library.html) 'compute_web.dart' as _c;
 
 /// Signature for the callback passed to [compute].
 ///

dio/lib/src/dio.dart

@@ -3,7 +3,6 @@ import 'dart:async';
 import 'adapter.dart';
 import 'cancel_token.dart';
 import 'dio/dio_for_native.dart'
-    if (dart.library.js_interop) 'dio/dio_for_browser.dart'
     if (dart.library.html) 'dio/dio_for_browser.dart';
 import 'dio_mixin.dart';
 import 'headers.dart';

dio/lib/src/dio_mixin.dart

@@ -16,7 +16,6 @@ import 'headers.dart';
 import 'interceptors/imply_content_type.dart';
 import 'options.dart';
 import 'progress_stream/io_progress_stream.dart'
-    if (dart.library.js_interop) 'progress_stream/browser_progress_stream.dart'
     if (dart.library.html) 'progress_stream/browser_progress_stream.dart';
 import 'response.dart';
 import 'response/response_stream_handler.dart';

dio/lib/src/multipart_file.dart

@@ -4,7 +4,6 @@ import 'dart:typed_data' show Uint8List;
 import 'package:http_parser/http_parser.dart' show MediaType;
 
 import 'multipart_file/io_multipart_file.dart'
-    if (dart.library.js_interop) 'multipart_file/browser_multipart_file.dart'
     if (dart.library.html) 'multipart_file/browser_multipart_file.dart';
 import 'utils.dart';