From fe034a2a40f400bbebe8cdb248a39e799a7c6aa9 Mon Sep 17 00:00:00 2001
From: Cell <1024@lruihao.cn>
Date: Wed, 13 Aug 2025 10:20:23 +0800
Subject: [PATCH] :wrench: Chore(i): Mermaid ZenUML is not enabled by default

---
 assets/js/theme.js                | 8 ++++----
 hugo.toml                         | 7 +++++--
 layouts/_partials/assets.html     | 7 ++++++-
 layouts/_partials/init/index.html | 2 +-
 4 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/assets/js/theme.js b/assets/js/theme.js
index fb62f936..397d8b8f 100644
--- a/assets/js/theme.js
+++ b/assets/js/theme.js
@@ -649,8 +649,8 @@ class FixIt {
       });
       await window.mermaid.run();
       processing = false;
-      if (delayTask && delayTask instanceof Function) {
-        delayTask()
+      if (delayTask && typeof delayTask === 'function') {
+        await delayTask();
         delayTask = null;
       }
     };
@@ -660,7 +660,7 @@ class FixIt {
         el.replaceChild(el.nextElementSibling.content.cloneNode(true), el.firstChild);
         el.removeAttribute('data-processed');
       });
-      loadMermaid()
+      await loadMermaid();
     };
 
     this.switchThemeEventSet.add(() => {
@@ -670,7 +670,7 @@ class FixIt {
         return;
       }
       // console.log('reload immediately');
-      reloadMermaid();
+      reloadMermaid().catch(console.error);
     });
 
     this.beforeprintEventSet.add(() => {
diff --git a/hugo.toml b/hugo.toml
index 943bcab3..b0e1dd27 100644
--- a/hugo.toml
+++ b/hugo.toml
@@ -702,9 +702,12 @@ mainSections = []
   # See https://github.com/mermaid-js/mermaid
   [params.mermaid]
     # FixIt 0.4.0 | NEW Mermaid ESM module CDN source
-    cdn = "https://cdn.jsdelivr.net/npm/mermaid/dist/mermaid.esm.min.mjs"
+    # default is https://cdn.jsdelivr.net/npm/mermaid/dist/mermaid.esm.min.mjs
+    cdn = ""
     # FixIt 0.4.0 | NEW ZenUML ESM module CDN source
-    zenuml = "https://cdn.jsdelivr.net/npm/@mermaid-js/mermaid-zenuml/dist/mermaid-zenuml.esm.min.mjs"
+    # default is empty, you can set it to a CDN source to enable ZenUML support
+    # e.g. https://cdn.jsdelivr.net/npm/@mermaid-js/mermaid-zenuml/dist/mermaid-zenuml.esm.min.mjs
+    zenuml = ""
     # For values, see https://mermaid.js.org/config/theming.html#available-themes
     themes = ["default", "dark"]
 
diff --git a/layouts/_partials/assets.html b/layouts/_partials/assets.html
index 4f50b864..aa3bb044 100644
--- a/layouts/_partials/assets.html
+++ b/layouts/_partials/assets.html
@@ -131,7 +131,12 @@
 {{- /* mermaid */ -}}
 {{- if .Store.Get "hasMermaid" -}}
   {{- $mermaid := .Param "mermaid" -}}
-  {{- $content := printf "import mermaid from %q; import zenuml from %q; await mermaid.registerExternalDiagrams([zenuml]); window.mermaid = mermaid;" $mermaid.cdn $mermaid.zenuml -}}
+  {{- $mermaidCDN := $mermaid.cdn | default "https://cdn.jsdelivr.net/npm/mermaid/dist/mermaid.esm.min.mjs" -}}
+  {{- $content := printf "import mermaid from %q;" $mermaidCDN -}}
+  {{- with $mermaid.zenuml -}}
+    {{- $content = printf "%v import zenuml from %q; await mermaid.registerExternalDiagrams([zenuml]);" $content . -}}
+  {{- end -}}
+  {{- $content = printf "%v window.mermaid = mermaid;" $content -}}
   {{- dict "Content" $content "Attr" `type="module"` | dict "Page" $ "Data" | partial "store/script.html" -}}
   {{- $config = dict "themes" $mermaid.themes | dict "mermaid" | merge $config -}}
 {{- end -}}
diff --git a/layouts/_partials/init/index.html b/layouts/_partials/init/index.html
index f2342c6c..23395b6f 100644
--- a/layouts/_partials/init/index.html
+++ b/layouts/_partials/init/index.html
@@ -1,4 +1,4 @@
-{{- hugo.Store.Set "version" "v0.4.0-alpha-20250812094854-45f101a4" -}}
+{{- hugo.Store.Set "version" "v0.4.0-alpha-20250813022026-bf3fe683" -}}
 {{- .Store.Set "this" dict -}}
 
 {{- partial "init/detection-env.html" . -}}