From f7bc1a7d9f241fa93a851eb3e456cd038c1b33ad Mon Sep 17 00:00:00 2001
From: Nikita Shubin <nikita.shubin@maquefel.me>
Date: Tue, 19 May 2026 14:49:51 +0300
Subject: misc: Add support for mermaid themes

Done in a strait ugly way, becouse hugo refuses to respect
render-codeblock-mermaid.html or even render-codeblock.html.

So all done in js.

TODO: This issue should be addressed.

Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>
---
 template/layouts/partials/head-additions.html | 26 ++++++++++++++++++++++++++
 template/themes/landau-hacker                 |  2 +-
 2 files changed, 27 insertions(+), 1 deletion(-)
 create mode 100644 template/layouts/partials/head-additions.html

diff --git a/template/layouts/partials/head-additions.html b/template/layouts/partials/head-additions.html
new file mode 100644
index 0000000..0aa1935
--- /dev/null
+++ b/template/layouts/partials/head-additions.html
@@ -0,0 +1,26 @@
+<script src="https://cdn.jsdelivr.net/npm/mermaid/dist/mermaid.min.js"></script>
+<script>
+  document.addEventListener('DOMContentLoaded', function() {
+    // Look for mermaid code blocks
+    const mermaidBlocks = document.querySelectorAll('pre code.language-mermaid');
+    if (mermaidBlocks.length > 0) {
+      mermaid.initialize({
+        startOnLoad: false,
+        theme: 'default',
+        flowchart: {
+          useMaxWidth: true
+        }
+      });
+
+      mermaidBlocks.forEach((block, index) => {
+        const graphDefinition = block.textContent;
+        const div = document.createElement('div');
+        div.className = 'mermaid';
+        div.innerHTML = graphDefinition;
+        block.parentNode.parentNode.replaceChild(div, block.parentNode);
+      });
+
+      mermaid.init();
+    }
+  });
+</script>
diff --git a/template/themes/landau-hacker b/template/themes/landau-hacker
index 1b9a1f5..075ee5a 160000
--- a/template/themes/landau-hacker
+++ b/template/themes/landau-hacker
@@ -1 +1 @@
-Subproject commit 1b9a1f570d7e90b84dca74ee1623101fb8f4332b
+Subproject commit 075ee5aa6ba08c8b57040dd0f036156765620bfb
-- 
cgit v1.2.3