fix: correctly handle srcObject attribute on video elements (#14369)

* fix: correctly handle srcObject attribute on video elements

* remove side-effect

* side-effects agin

* side-effects agin

* better fix

.changeset/bright-jokes-bow.md

@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: correctly handle srcObject attribute on video elements

packages/svelte/src/utils.js

@@ -192,7 +192,8 @@ const ATTRIBUTE_ALIASES = {
 	ismap: 'isMap',
 	nomodule: 'noModule',
 	playsinline: 'playsInline',
-	readonly: 'readOnly'
+	readonly: 'readOnly',
+	srcobject: 'srcObject'
 };
 
 /**
@@ -212,7 +213,8 @@ const DOM_PROPERTIES = [
 	'readOnly',
 	'value',
 	'inert',
-	'volume'
+	'volume',
+	'srcObject'
 ];
 
 /**

packages/svelte/tests/runtime-runes/samples/video-src-object/_config.js

@@ -0,0 +1,12 @@
+import { test } from '../../test';
+
+export default test({
+	html: `<video></video>`,
+
+	test({ assert, target }) {
+		const video = target.querySelector('video');
+
+		// @ts-ignore
+		assert.deepEqual(video?.srcObject, {});
+	}
+});

packages/svelte/tests/runtime-runes/samples/video-src-object/main.svelte

@@ -0,0 +1,10 @@
+<script>
+	let srcObject = $state();
+
+	$effect(() => {
+		srcObject = {};
+	})
+</script>
+
+<video {srcObject}></video>
+