view transition's form handling honors default prevention (#9486)

* add missing check to honor prevented default * added changeset * Update .changeset/fresh-games-confess.md Co-authored-by: Florian Lefebvre <contact@florian-lefebvre.dev> --------- Co-authored-by: Florian Lefebvre <contact@florian-lefebvre.dev>
withastro · Dec 20, 2023 · f6714f6 · f6714f6
1 parent 5062d27
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diff --git a/.changeset/fresh-games-confess.md b/.changeset/fresh-games-confess.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fixes View Transition's form submission prevention, allowing `preventDefault` to be used.
diff --git a/packages/astro/components/ViewTransitions.astro b/packages/astro/components/ViewTransitions.astro
@@ -94,7 +94,7 @@ const { fallback = 'animate' } = Astro.props;
 
 		document.addEventListener('submit', (ev) => {
 			let el = ev.target as HTMLElement;
-			if (el.tagName !== 'FORM' || isReloadEl(el)) {
+			if (el.tagName !== 'FORM' || ev.defaultPrevented || isReloadEl(el)) {
 				return;
 			}
 			const form = el as HTMLFormElement;