From bca39e8081b51a05674c5a76e9759cdbb00104dc Mon Sep 17 00:00:00 2001
From: Hans Blankenhaus <blank@example.com>
Date: Tue, 19 Sep 2023 15:38:17 +0200
Subject: [PATCH] optional wrap and test

---
 .../src/rendering-util/handle-markdown-text.spec.ts      | 9 +++++++++
 .../mermaid/src/rendering-util/handle-markdown-text.ts   | 2 +-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/packages/mermaid/src/rendering-util/handle-markdown-text.spec.ts b/packages/mermaid/src/rendering-util/handle-markdown-text.spec.ts
index 3ca7a3d7a..55c40127f 100644
--- a/packages/mermaid/src/rendering-util/handle-markdown-text.spec.ts
+++ b/packages/mermaid/src/rendering-util/handle-markdown-text.spec.ts
@@ -1,5 +1,6 @@
 import { markdownToLines, markdownToHTML } from './handle-markdown-text.js';
 import { test, expect } from 'vitest';
+import { setConfig } from '../config.js';
 
 test('markdownToLines - Basic test', () => {
   const input = `This is regular text
@@ -262,3 +263,11 @@ test('markdownToHTML - Unsupported formatting', () => {
   - l3`)
   ).toMatchInlineSnapshot('"<p>Hello</p>Unsupported markdown: list"');
 });
+
+test('markdownToHTML - no auto wrapping', () => {
+  setConfig({ markdownAutoWrap: false });
+  expect(
+    markdownToHTML(`Hello, how do
+  you do?`)
+  ).toMatchInlineSnapshot('"<p>Hello,&nbsp;how&nbsp;do<br/>you&nbsp;do?</p>"');
+});
diff --git a/packages/mermaid/src/rendering-util/handle-markdown-text.ts b/packages/mermaid/src/rendering-util/handle-markdown-text.ts
index e5e171285..160be86da 100644
--- a/packages/mermaid/src/rendering-util/handle-markdown-text.ts
+++ b/packages/mermaid/src/rendering-util/handle-markdown-text.ts
@@ -63,7 +63,7 @@ export function markdownToHTML(markdown: string) {
 
   function output(node: Content): string {
     if (node.type === 'text') {
-      if (!markdownAutoWrap) {
+      if (markdownAutoWrap === false) {
         return node.value.replace(/\n/g, '<br/>').replace(/ /g, '&nbsp;');
       } else {
         return node.value.replace(/\n/g, '<br/>');