fix: allow for non optional chain call expression in render

Author: paoloricciuti

.changeset/gentle-trees-exercise.md

@@ -0,0 +1,5 @@
+---
+"svelte": patch
+---
+
+fix: allow for non optional chain call expression in render

packages/svelte/src/compiler/phases/1-parse/state/tag.js

@@ -587,9 +587,7 @@ function special(parser) {
 
 		if (
 			expression.type !== 'CallExpression' &&
-			(expression.type !== 'ChainExpression' ||
-				expression.expression.type !== 'CallExpression' ||
-				!expression.expression.optional)
+			(expression.type !== 'ChainExpression' || expression.expression.type !== 'CallExpression')
 		) {
 			e.render_tag_invalid_expression(expression);
 		}

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

@@ -10,6 +10,10 @@ export default test({
 		<hr>
 		<p>foo</p>
 		<hr>
+		<p>foo</p>
+		<hr>
+		<p>foo</p>
+		<hr>
 		<p>bar</p>
 		<hr>
 		<hr>
@@ -35,6 +39,10 @@ export default test({
 				<p>foo</p>
 				<hr>
 				<p>foo</p>
+				<hr>
+				<p>foo</p>
+				<hr>
+				<p>foo</p>
 				<button>toggle</button>
 			`
 		);

packages/svelte/tests/runtime-runes/samples/snippet-expressions/child.svelte

@@ -12,6 +12,10 @@
 <hr>
 {@render snippets.foo()}
 <hr>
+{@render snippets?.foo()}
+<hr>
+{@render snippets?.foo?.()}
+<hr>
 {@render snippets.foo?.()}
 <hr>
 {@render (optional ?? snippets.bar)()}