From 581e8acf4bba46ddcdd5f9f4eb19021396815d1e Mon Sep 17 00:00:00 2001
From: koenvanwijk <koenvanwijk@users.noreply.github.com>
Date: Mon, 10 Oct 2022 20:34:27 +0200
Subject: [PATCH] fix: Connections can be highlighted multiple times (#6502)

* fix: Connections can be highlighted multiple times

* fix: remove spaces to fix clang-formating
---
 core/rendered_connection.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/core/rendered_connection.ts b/core/rendered_connection.ts
index 933f18bb319..7330ff9da80 100644
--- a/core/rendered_connection.ts
+++ b/core/rendered_connection.ts
@@ -280,6 +280,10 @@ export class RenderedConnection extends Connection {
 
   /** Add highlighting around this connection. */
   highlight() {
+    if (this.highlightPath) {
+      // This connection is already highlighted
+      return;
+    }
     let steps;
     const sourceBlockSvg = (this.sourceBlock_);
     const renderConstants =