Flutter Web not working (HttpClient not found)

[LDprg]

Describe the bug
I use your Libary for request/login to my backend. On Windows Desktop and Android everything works fine, but as soon as I want to build my app for Web I get the error shown below.

I tried to use import 'package:universal_io/io.dart'; for fixing it, but That only fixes the HttpClient error not the IOClient.

Please fix!

Error

Launching lib\main.dart on Chrome in debug mode...
Waiting for connection from debug service on Chrome...
/C:/Users/LD/AppData/Local/Pub/Cache/hosted/pub.dartlang.org/requests-4.3.0/lib/src/requests.dart:244:22: Error: Method not found: 'HttpClient'.
      var ioClient = HttpClient();
                     ^^^^^^^^^^
/C:/Users/LD/AppData/Local/Pub/Cache/hosted/pub.dartlang.org/requests-4.3.0/lib/src/requests.dart:246:16: Error: Method not found: 'IOClient'.
      client = IOClient(ioClient);
               ^^^^^^^^
Failed to compile application.

To Reproduce
Steps to reproduce the behavior:

1. Build App with "Chrome(web)" device (Flutter)

Expected behavior
No errors and working build

Desktop

• Browser (Chrome & Edge) on WIndows

[sehnryr]

It seems like I did not make a great job at adding web support for requests. To get into the details, it's the bad certificate handling that causes this issue. I am currently trying to make it work, but I tried dio and universal_io but couldn't get it running without encountering this issue.

It is still urgent though, but I am overloaded with work so I can't really get into fixing this issue for now. If you find a fix, please open a PR.

[sehnryr]

I've merged your changes on the conditional imports, but I think it would be nice to have the web support shown on pub.dev. I'll try to find a way to do that, but in the meantime we will have to make do with this.