svelte: allow class to be an array, for clsx support

[mustafa0x]

Package

• lucide
• lucide-angular
• lucide-flutter
• lucide-preact
• lucide-react
• lucide-react-native
• lucide-solid
• lucide-svelte
• lucide-vue
• lucide-vue-next
• Figma plugin
• all JS packages
• site

Description

See https://svelte.dev/blog/advent-of-svelte#Day-24:-clsx-built-in

So that I'm able to do something like:

<ChevronUp
    size={20}
    class={[
        'transition-transform duration-200',
        open && 'rotate-180',
    ]}
/>

Use cases

more expressive code

Checklist

• I have searched the existing issues to make sure this bug has not already been reported.