From 51e7444b94ab0b872eaabc3b138184b47442fab4 Mon Sep 17 00:00:00 2001
From: Knut Sveidqvist <knsv@sveido.com>
Date: Fri, 2 Feb 2024 11:10:42 +0100
Subject: [PATCH] #3358 Layoutfix for growing parent when children spans new
 rows due to updated columns widths

---
 packages/mermaid/src/diagrams/block/layout.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/mermaid/src/diagrams/block/layout.ts b/packages/mermaid/src/diagrams/block/layout.ts
index a9d32d2d2..b16b9971e 100644
--- a/packages/mermaid/src/diagrams/block/layout.ts
+++ b/packages/mermaid/src/diagrams/block/layout.ts
@@ -122,7 +122,10 @@ function setBlockSizes(block: Block, db: BlockDB, siblingWidth = 0, siblingHeigh
     }
 
     const columns = block.columns || -1;
-    const numItems = block.children.length;
+    let numItems = 0;
+    for (const child of block.children) {
+      numItems += child.widthInColumns || 1;
+    }
 
     // The width and height in number blocks
     let xSize = block.children.length;