From 81f9bdd376979baa8b85095e9421897d7046f303 Mon Sep 17 00:00:00 2001
From: Simon H <5968653+dummdidumm@users.noreply.github.com>
Date: Fri, 25 Oct 2024 21:30:15 +0200
Subject: [PATCH] fix: remove metadata from legacy AST (#13927)

Besides being private API that shouldn't be exposed, they caused our AST explorer on the Svelte site to traverse endlessly

fixes https://github.com/sveltejs/svelte.dev/issues/480
---
 .changeset/strong-dogs-obey.md         | 5 +++++
 packages/svelte/src/compiler/legacy.js | 4 +++-
 2 files changed, 8 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/strong-dogs-obey.md

diff --git a/.changeset/strong-dogs-obey.md b/.changeset/strong-dogs-obey.md
new file mode 100644
index 0000000000..abab6fdf75
--- /dev/null
+++ b/.changeset/strong-dogs-obey.md
@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: remove metadata from legacy AST
diff --git a/packages/svelte/src/compiler/legacy.js b/packages/svelte/src/compiler/legacy.js
index 2a543a5370..e603da312b 100644
--- a/packages/svelte/src/compiler/legacy.js
+++ b/packages/svelte/src/compiler/legacy.js
@@ -204,7 +204,9 @@ export function convert(source, ast) {
 					ignores: extract_svelte_ignore(node.start, node.data, false)
 				};
 			},
-			ComplexSelector(node) {
+			ComplexSelector(node, { next }) {
+				next(); // delete inner metadata/parent properties
+
 				const children = [];
 
 				for (const child of node.children) {