Ios webview websocket html ,js css structure

Hello all,

I have launch a html5 javascript websocket firebase website witch command home automation system.

I have already ported this website to an android webview app in android studio that ok and work fine .

Now i want to make this website in ios html webview app for apple devices

IMPORTANT :
Keep the structure html, js, css the same.
Make a frame work inside Xcode with swift to communicate with Javascript.
I want to keep my javascript code native because it's a complexe .


Using: firebase, websocket, jquery, jsmpeg, nodejs


example included :
when you push a button you send value by websocet to the server
when you connect to firebase you retreive and send data
when you use jsmeg stream via websocet video from nodejs server.

Has I want to be able to modify the code and keeping working on it what is the best ios software as android studio to keepgoing working on it .