From 710ae6285a5af6139bc46ae42af09269caa8a09f Mon Sep 17 00:00:00 2001
From: Rich Harris <rich.harris@vercel.com>
Date: Tue, 25 Feb 2025 20:09:48 -0500
Subject: [PATCH] fix

---
 packages/svelte/src/internal/client/runtime.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/packages/svelte/src/internal/client/runtime.js b/packages/svelte/src/internal/client/runtime.js
index 30355210cf..4ec4a11be9 100644
--- a/packages/svelte/src/internal/client/runtime.js
+++ b/packages/svelte/src/internal/client/runtime.js
@@ -814,8 +814,12 @@ function process_effects(effect, fork) {
 					async_effects.push(current_effect);
 				}
 			} else if ((flags & BLOCK_EFFECT) !== 0) {
-				if (check_dirtiness(current_effect)) {
-					update_effect(current_effect);
+				try {
+					if (check_dirtiness(current_effect)) {
+						update_effect(current_effect);
+					}
+				} catch (error) {
+					handle_error(error, current_effect, null, null);
 				}
 			} else if ((flags & RENDER_EFFECT) !== 0) {
 				if (is_branch) {