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fix : bug "$0 is not defined" with svelte:element and a single class with a function call #15396

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@adiguba adiguba commented Feb 26, 2025

I introduced this bug with the set_class() PR #15352 :(
This fix it...

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pnpm add https://pkg.pr.new/svelte@15396

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@@ -83,9 +83,12 @@ export function SvelteElement(node, context) {
if (
attributes.length === 1 &&
attributes[0].type === 'Attribute' &&
attributes[0].name.toLowerCase() === 'class'
attributes[0].name.toLowerCase() === 'class' &&
attributes[0].value !== true &&
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I might be wrong but there should be a is_text_attrobute utility somewhere...can you check if that's the case and use that?

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"$0 is not defined in {expression}" error on class attribute of a svelte:element
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