v3.10 ScrollTrigger.normalizeScroll breaks disabling scroll libs

[Julia Shikanova]

Hello!

New v3.10 realise brought quite a few interesting new features and it's very exiting. But i'm experiencing slight issue with ScrollTrigger.normalizeScroll(true), body-scroll-lock, scroll-lock and possible other packages or solutions to disable page scrolling is breaking if it used with normalizeScroll (visible scroll bar disappears as expected, but page underneath is still scrollable).

See the Pen zYpyxJL by jshikanova (@jshikanova) on CodePen

[Cassie]

Hey Julia,

 

Glad you're enjoying the new features!

So, normalizeScroll() intercepts the browser's native scrolling behavior. I wouldn't be surprised if other third party libraries break as the scroll is happening on the Javascript thread instead.

We've made it 'opt-in' because for the majority of cases it isn't needed and ideally the browser should be handling scroll. It can be helpful to get around some issues on IOS safari, but I would recommend only using it if necessary and not as a default.

As an option here, you could kill normalizeScroll() when the modal is open?

See the Pen YzYdQaa?editors=0010 by GreenSock (@GreenSock) on CodePen

[Julia Shikanova]

Thanks, @Cassie