From eee808fb79cfb182df7285b7107d5f7d2bee44d1 Mon Sep 17 00:00:00 2001
From: "Trevor N. Suarez" <Rican7@gmail.com>
Date: Wed, 22 Jan 2025 06:35:26 -0700
Subject: [PATCH] fix: correctly handle `novalidate` attribute casing (#15083)

This PR fixes #15082 by correctly handling the HTML element novalidate attribute casing through noValidate DOM property mapping.
---
 .changeset/pink-wolves-search.md                          | 5 +++++
 packages/svelte/src/utils.js                              | 3 ++-
 .../samples/form-novalidate-casing/_config.js             | 8 ++++++++
 .../samples/form-novalidate-casing/main.svelte            | 6 ++++++
 4 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/pink-wolves-search.md
 create mode 100644 packages/svelte/tests/runtime-runes/samples/form-novalidate-casing/_config.js
 create mode 100644 packages/svelte/tests/runtime-runes/samples/form-novalidate-casing/main.svelte

diff --git a/.changeset/pink-wolves-search.md b/.changeset/pink-wolves-search.md
new file mode 100644
index 0000000000..cd734062c6
--- /dev/null
+++ b/.changeset/pink-wolves-search.md
@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: correctly handle `novalidate` attribute casing
diff --git a/packages/svelte/src/utils.js b/packages/svelte/src/utils.js
index 76486d32ac..b16c0551f1 100644
--- a/packages/svelte/src/utils.js
+++ b/packages/svelte/src/utils.js
@@ -196,7 +196,8 @@ const ATTRIBUTE_ALIASES = {
 	readonly: 'readOnly',
 	defaultvalue: 'defaultValue',
 	defaultchecked: 'defaultChecked',
-	srcobject: 'srcObject'
+	srcobject: 'srcObject',
+	novalidate: 'noValidate'
 };
 
 /**
diff --git a/packages/svelte/tests/runtime-runes/samples/form-novalidate-casing/_config.js b/packages/svelte/tests/runtime-runes/samples/form-novalidate-casing/_config.js
new file mode 100644
index 0000000000..4fdf3632d6
--- /dev/null
+++ b/packages/svelte/tests/runtime-runes/samples/form-novalidate-casing/_config.js
@@ -0,0 +1,8 @@
+import { test } from '../../test';
+
+export default test({
+	html: `
+		<form novalidate></form>
+		<form novalidate></form>
+`
+});
diff --git a/packages/svelte/tests/runtime-runes/samples/form-novalidate-casing/main.svelte b/packages/svelte/tests/runtime-runes/samples/form-novalidate-casing/main.svelte
new file mode 100644
index 0000000000..1e8115ff62
--- /dev/null
+++ b/packages/svelte/tests/runtime-runes/samples/form-novalidate-casing/main.svelte
@@ -0,0 +1,6 @@
+<script>
+	let noValidate = $state(true);
+</script>
+
+<form novalidate={true}></form>
+<form {noValidate}></form>