From af9b3f77cb38e7a51236f0b0cf600e0516e866f4 Mon Sep 17 00:00:00 2001
From: Alois Klink <alois@aloisklink.com>
Date: Sat, 15 Jul 2023 23:09:02 +0100
Subject: [PATCH] build(docs): allow using custom `editLink`

In Vitepress, allow using a custom `editLink`, if specified in the YAML
frontmatter.
---
 packages/mermaid/src/docs/.vitepress/config.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/packages/mermaid/src/docs/.vitepress/config.ts b/packages/mermaid/src/docs/.vitepress/config.ts
index 330b088d9..2644fa088 100644
--- a/packages/mermaid/src/docs/.vitepress/config.ts
+++ b/packages/mermaid/src/docs/.vitepress/config.ts
@@ -35,7 +35,12 @@ export default defineConfig({
   themeConfig: {
     nav: nav(),
     editLink: {
-      pattern: 'https://github.com/mermaid-js/mermaid/edit/develop/packages/mermaid/src/docs/:path',
+      pattern: ({ filePath, frontmatter }) => {
+        if (typeof frontmatter.editLink === 'string') {
+          return frontmatter.editLink;
+        }
+        return `https://github.com/mermaid-js/mermaid/edit/develop/packages/mermaid/src/docs/${filePath}`;
+      },
       text: 'Edit this page on GitHub',
     },
     sidebar: {