Class name issue

[StagnantIce]

Describe the problem

Sometimes i have class name in some variable, and I can't use svelte with that.
If it will be like variable, i can easy to navigate my css class in my IDE.

Describe the proposed solution

<script>
 import s from './my.css';
export let checked = true;
</script>

<div class:{s.myClassName}={$checked}></div>

Alternatives considered

<script>
 import s from './my.css';
export let checked = true;
</script>

<div class={{ s.myClassName: $checked }}></div>

Importance

would make my life easier

[Conduitry]

Duplicate of #7294.