From 2461a6d1a57e0c6153b86bd9d8f9c4b0352b76a0 Mon Sep 17 00:00:00 2001
From: razonyang <razonyang@gmail.com>
Date: Sun, 16 Jun 2024 15:04:19 +0800
Subject: [PATCH] perf(hugopress): cache body-end hook

---
 go.mod                                  | 2 ++
 go.sum                                  | 2 ++
 hugo.toml                               | 3 +++
 layouts/partials/mermaid/assets/js.html | 2 +-
 layouts/shortcodes/mermaid.html         | 1 +
 5 files changed, 9 insertions(+), 1 deletion(-)
 create mode 100644 go.sum

diff --git a/go.mod b/go.mod
index f3f52c9..2a72fd3 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,5 @@
 module github.com/hugomods/mermaid
 
 go 1.19
+
+require github.com/hugomods/hugopress v0.5.0 // indirect
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..6ec9408
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/hugomods/hugopress v0.5.0 h1:eQHg1aKnc5StGFnV5H0BORhE0UmHYpaWHnX9QNseHrw=
+github.com/hugomods/hugopress v0.5.0/go.mod h1:CRYvr60xOkZOf4Atkuj+uEj2EH5pjJ39Ws3aJAkoMkA=
diff --git a/hugo.toml b/hugo.toml
index ae131fb..1cc4633 100644
--- a/hugo.toml
+++ b/hugo.toml
@@ -2,6 +2,9 @@
 min = "0.110.0"
 
 [params.hugopress.modules.mermaid.hooks.body-end]
+partial = "mermaid/assets/js"
+cacheable = true
+cache_store_key = "hasMermaid"
 
 [params.mermaid]
 js_url = "https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.esm.min.mjs"
diff --git a/layouts/partials/mermaid/assets/js.html b/layouts/partials/mermaid/assets/js.html
index b7927ca..d714aec 100644
--- a/layouts/partials/mermaid/assets/js.html
+++ b/layouts/partials/mermaid/assets/js.html
@@ -1,4 +1,4 @@
-{{- if or (.HasShortcode "mermaid") (.Store.Get "hasMermaid") }}
+{{- if .Store.Get "hasMermaid" }}
   <script type="module">
     import mermaid from "{{ .Site.Params.mermaid.js_url }}";
   </script>
diff --git a/layouts/shortcodes/mermaid.html b/layouts/shortcodes/mermaid.html
index 7a55959..20ec319 100644
--- a/layouts/shortcodes/mermaid.html
+++ b/layouts/shortcodes/mermaid.html
@@ -1,3 +1,4 @@
+{{ .Page.Store.Set "hasMermaid" true -}}
 <pre class="mermaid">
     {{- .Inner | safeHTML -}}
 </pre>