tweak

packages/svelte/src/compiler/phases/3-transform/client/visitors/RenderTag.js

@@ -31,7 +31,7 @@ export function RenderTag(node, context) {
 
 	if (node.metadata.dynamic) {
 		// If we have a chain expression then ensure a nullish snippet function gets turned into an empty one
-		if (b.literal(node.expression.type === 'ChainExpression')) {
+		if (node.expression.type === 'ChainExpression') {
 			snippet_function = b.logical('??', snippet_function, b.id('$.empty_snippet'));
 		}
 

packages/svelte/tests/runtime-runes/samples/snippet-undefined/_config.js

@@ -8,6 +8,6 @@ export default test({
 		assert.throws(() => {
 			btn?.click();
 			flushSync();
-		}, /invalid_snippet/);
+		}, /snippet is not a function/);
 	}
 });