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fix: spreading style is not consistent with attribute #15323

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@adiguba adiguba commented Feb 17, 2025

When we pass the style value directly, set_attribute() is used.
But with spreading, it was set by an assign on element.style.cssText (or node[prop] for custom-element).

This cause the text to be parsed/corrected by the browser, and the value of the attribute will be different.

With this fix, spreading also use set_attribute() for style.

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🦋 Changeset detected

Latest commit: e52b534

The changes in this PR will be included in the next version bump.

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pnpm add https://pkg.pr.new/svelte@15323

@@ -224,15 +224,17 @@ export function set_custom_element_data(node, prop, value) {
set_active_effect(null);
try {
if (
// style need set_attribute()
prop !== 'style' &&
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If that is necessary, was it reall inconsistent before? Also see my question in the related issue

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Spread is not consistent with attribute for style
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