WebSocket URL only accepts a String - Should accept a URL instance too

[vyrotek]

Description

Traditionally, when creating a WebSocket a url param can be either a String or URL instance.

Types on GitHub support this as well.

NativeWebSocketModule only accepts a String which breaks other 3rd party libraries which assume web compatibility.
https://github.com/facebook/react-native/blob/main/packages/react-native/Libraries/WebSocket/WebSocketInterceptor.js#L182

Here is an example of a library providing a URL instance.
https://github.com/openai/openai-node/blob/master/src/beta/realtime/websocket.ts#L56

I've opened an issue with the OpenAI Node SDK but this issue is not isolated to them.
openai/openai-node#1323

Steps to reproduce

Works:
new WebSocket('https://example.com')

Throw an error
new WebSocket(new URL('https://example.com'))

[Error: Exception in HostFunction: Expected argument 0 of method "connect" to be a string, but got an object]

React Native Version

0.76.7

Affected Platforms

Runtime - Android, Runtime - iOS

Output of npx react-native info

System:
  OS: Windows 11 10.0.26100
  CPU: (6) x64 Intel(R) Core(TM) i5-9600K CPU @ 3.70GHz
  Memory: 7.20 GB / 31.92 GB
Binaries:
  Node:
    version: 20.13.1
    path: C:\Program Files\nodejs\node.EXE
  Yarn: Not Found
  npm:
    version: 10.5.2
    path: C:\Program Files\nodejs\npm.CMD
  Watchman: Not Found
SDKs:
  Android SDK: Not Found
  Windows SDK:
    AllowDevelopmentWithoutDevLicense: Enabled
    AllowAllTrustedApps: Enabled
IDEs:
  Android Studio: AI-222.4459.24.2221.10121639
  Visual Studio:
    - 17.12.35707.178 (Visual Studio Community 2022)
Languages:
  Java: 17.0.7
  Ruby: Not Found
npmPackages:
  "@react-native-community/cli":
    installed: 15.1.3
    wanted: ^15.1.3
  react:
    installed: 18.3.1
    wanted: 18.3.1
  react-native:
    installed: 0.76.7
    wanted: 0.76.7
  react-native-windows: Not Found
npmGlobalPackages:
  "*react-native*": Not Found
Android:
  hermesEnabled: true
  newArchEnabled: true
iOS:
  hermesEnabled: Not found
  newArchEnabled: Not found

Stacktrace or Logs

[Error: Exception in HostFunction: Expected argument 0 of method "connect" to be a string, but got an object]

Reproducer

https://github.com/vyrotek/react-native-websocket

Screenshots and Videos

No response

[jamonholmgren]

For what it's worth, the WebSockets JS spec at WHATWG indicates it's supposed to be a string.

https://websockets.spec.whatwg.org/#ref-for-dom-websocket-websocket%E2%91%A0

Browsers seem to implement as string | URL, but React Native follows this spec.

[vyrotek]

An interesting comment from the other issue.

openai/openai-node#1323 (comment)

FYI browsers implement WebSocket according to the spec for accepting strings. They accept any input (of any type), and convert it to a string.