From 40a5867fc87bb46e0baae1cf290fe53e68cbc2e2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Oto=20Doc=CC=8Ckal?= <oto.dockal@gmail.com>
Date: Mon, 27 Nov 2023 22:06:43 +0100
Subject: [PATCH] fix: prevent calling remove fn with null value in
 snippet_effect

---
 packages/svelte/src/internal/client/render.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/packages/svelte/src/internal/client/render.js b/packages/svelte/src/internal/client/render.js
index de46586d36..49d7863b9b 100644
--- a/packages/svelte/src/internal/client/render.js
+++ b/packages/svelte/src/internal/client/render.js
@@ -3182,8 +3182,9 @@ export function snippet_effect(get_snippet, node, args) {
 		const snippet = get_snippet();
 		untrack(() => snippet(node, args));
 		return () => {
-			if (block.d !== null) {
-				remove(block.d);
+			const d = (is_array(block.d) ? block.d[0] : block.d) ?? null;
+			if (d !== null) {
+				remove(d);
 			}
 		};
 	}, block);