From a7a9185222d425e3e7ac4b8cbe6071e0a36f149b Mon Sep 17 00:00:00 2001
From: Per Brolin <per@mermaidchart.com>
Date: Mon, 30 Sep 2024 10:44:01 +0200
Subject: [PATCH] Fix default size if not provided

---
 .../rendering-elements/shapes/stateStart.ts   | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/packages/mermaid/src/rendering-util/rendering-elements/shapes/stateStart.ts b/packages/mermaid/src/rendering-util/rendering-elements/shapes/stateStart.ts
index ae44a3c4d..ed5fc79b6 100644
--- a/packages/mermaid/src/rendering-util/rendering-elements/shapes/stateStart.ts
+++ b/packages/mermaid/src/rendering-util/rendering-elements/shapes/stateStart.ts
@@ -12,6 +12,28 @@ export const stateStart = (
 ) => {
   const { lineColor } = themeVariables;
 
+  // If incoming height & width are present, subtract the padding from them
+  // as labelHelper does not take padding into account
+  // also check if the width or height is less than minimum default values (50),
+  // if so set it to min value
+  if (node.width || node.height) {
+    if ((node.width ?? 0) < 50) {
+      node.width = 50;
+    }
+
+    if ((node.height ?? 0) < 50) {
+      node.height = 50;
+    }
+  }
+
+  if (!node.width) {
+    node.width = 50;
+  }
+
+  if (!node.height) {
+    node.width = 50;
+  }
+
   const shapeSvg = parent
     .insert('g')
     .attr('class', 'node default')