fix: handle TypeScript parameter properties (#11928)

packages/svelte/src/compiler/phases/1-parse/remove_typescript_nodes.js

@@ -74,6 +74,9 @@ const visitors = {
 	TSEnumDeclaration() {
 		return b.empty;
 	},
+	TSParameterProperty(node) {
+		return node.parameter;
+	},
 	Identifier(node) {
 		if (node.typeAnnotation) {
 			return {

packages/svelte/tests/runtime-runes/samples/typescript/main.svelte

@@ -1,11 +1,17 @@
 <script context="module" lang="ts">
-	interface Hello { message: 'hello' }
+	interface Hello {
+		message: 'hello';
+	}
 	type Goodbye = { message: 'goodbye' };
 
 	function this_fn(this: any) {
 		console.log(this);
 	}
 
+	class Foo {
+		constructor(public readonly name: string) {}
+	}
+
 	export type { Hello };
 </script>
 
@@ -19,9 +25,9 @@
 	} satisfies Goodbye;
 </script>
 
-<button
-	on:click={(e: MouseEvent) => {
+<button on:click={(e: MouseEvent) => {
 		const next: number = count + 1;
 		count = next! as number;
 	}}
->clicks: {count}</button>
+	>clicks: {count}</button
+>