From e0568fd97672778527dfc1488a5b855e7ef8838e Mon Sep 17 00:00:00 2001
From: rster20002 <rster2002dev@gmail.com>
Date: Sun, 8 Aug 2021 16:42:31 +0200
Subject: [PATCH] Prevent one error being handled multiple times

---
 src/runtime/internal/Component.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/runtime/internal/Component.ts b/src/runtime/internal/Component.ts
index e9e21d4b94..bded4cc8fd 100644
--- a/src/runtime/internal/Component.ts
+++ b/src/runtime/internal/Component.ts
@@ -121,7 +121,7 @@ export function handle_error(component, e, skip = false) {
         bubble_error(component, e);
     }
 
-    if (!skip) {
+    if (!skip && !e.unhandled) {
         component.$$.on_error.forEach(handler => {
             try {
                 handler(e);
@@ -136,6 +136,7 @@ function bubble_error(component, e) {
     if (component.$$.parent_component) {
         handle_error(component.$$.parent_component, e, component.$$.in_slot);
     } else {
+        e.unhandled = true; // TODO this is very gross
         throw e;
     }
 }