From a3cab1a3542932c3a9ed53d5dbca7158efe3120f Mon Sep 17 00:00:00 2001
From: olOwOlo <26087907+olOwOlo@users.noreply.github.com>
Date: Fri, 6 Jul 2018 22:24:47 +0800
Subject: [PATCH] feat(mathjax): configure to let mathjax use local files

Close #63
---
 exampleSite/config.toml       | 3 +++
 layouts/partials/scripts.html | 6 +++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/exampleSite/config.toml b/exampleSite/config.toml
index a41c74f..624cc0b 100644
--- a/exampleSite/config.toml
+++ b/exampleSite/config.toml
@@ -70,9 +70,12 @@ copyright = ""            # default: author.name ↓        # 默认为下面配
   toc = true                                                                            # 是否开启目录
   autoCollapseToc = false   # Auto expand and collapse toc                              # 目录自动展开/折叠
   fancybox = true           # see https://github.com/fancyapps/fancybox                 # 是否启用fancybox（图片可点击）
+
+  # mathjax
   mathjax = false           # see https://www.mathjax.org/                              # 是否使用mathjax（数学公式）
   mathjaxEnableSingleDollar = false                                                     # 是否使用 $...$ 即可進行inline latex渲染
   mathjaxEnableAutoNumber = false                                                       # 是否使用公式自动编号
+  mathjaxUseLocalFiles = false  # You should install mathjax in `yout-site/static/lib/mathjax`
 
   postMetaInFooter = true   # contain author, lastMod, markdown link, license           # 包含作者，上次修改时间，markdown链接，许可信息
   linkToMarkDown = false    # Only effective when hugo will output .md files.           # 链接到markdown原始文件（仅当允许hugo生成markdown文件时有效）
diff --git a/layouts/partials/scripts.html b/layouts/partials/scripts.html
index 1a71393..b9c9a55 100644
--- a/layouts/partials/scripts.html
+++ b/layouts/partials/scripts.html
@@ -78,7 +78,11 @@
       messageStyle: 'none'
     };
   </script>
-  <script type="text/javascript" async src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_CHTML"></script>
+  {{ if .Site.Params.mathjaxUseLocalFiles -}}
+    <script type="text/javascript" async src="{{ "lib/mathjax/MathJax.js?config=TeX-MML-AM_CHTML" | relURL }}"></script>
+  {{- else -}}
+    <script type="text/javascript" async src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_CHTML"></script>
+  {{- end }}
 {{- end }}
 
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