From d8b4814aa9f0bcf6edb6b9837788f0aa3156a52a Mon Sep 17 00:00:00 2001
From: Tom Moor <tom.moor@gmail.com>
Date: Sun, 14 Aug 2022 16:50:37 +0100
Subject: [PATCH] perf: Suppress Mermaid diagram rendering when hidden (#3963)

---
 shared/editor/plugins/Mermaid.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/shared/editor/plugins/Mermaid.ts b/shared/editor/plugins/Mermaid.ts
index 73a4b502c..b055dac2c 100644
--- a/shared/editor/plugins/Mermaid.ts
+++ b/shared/editor/plugins/Mermaid.ts
@@ -53,6 +53,7 @@ function getNewState({
 
         if (pluginState.diagramVisibility[diagramId] === false) {
           diagramWrapper.classList.add("diagram-hidden");
+          return diagramWrapper;
         }
 
         import(