fmt(svelte): formatter error on dynamic style in svelte

[MohammadSu1]

Version Deno 2.1.1

<script lang="ts">
  const { color }: { color: string | null } = $props();
</script>

<div
  style="background-color: {color || 'blueviolet'};"
>
</div>

deno fmt --unstable-component
Error formatting: C:\temp\deno-init\test.svelte
   syntax error at line 6, col 28: expect token `<ident>`, but found `{`
Checked 4 files

Originally reported in https://github.com/denoland/deno/issues/26999

[g-plane]

This is a known issue, but hard to fix at this moment.

[notramo]

It's not quite idiomatic Svelte. It could be better written as:

<div style:background-color={color || 'blueviolet'}></div>