公式支持 - Katex (#94)

- 使用 hexo-renderer-markdown-it-plus 作为渲染器
- 支持多种复杂的公式
- 目前尚在更新维护

_config.yml

@@ -310,6 +310,15 @@ plugins:
     enable: false
     cdn: https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.6/MathJax.js?config=TeX-AMS-MML_HTMLorMML
 
+  # Katex - The fastest math typesetting library for the web
+  # https://katex.org/docs/autorender.html
+  # https://github.com/KaTeX/KaTeX
+  # 使用 hexo-renderer-markdown-it-plus 作为公式渲染器：npm uninstall hexo-renderer-marked --save npm install hexo-renderer-markdown-it-plus --save
+  katex:
+    enable: false
+    min_css: <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.16.0/dist/katex.min.css" integrity="sha384-Xi8rHCmBmhbuyyhbI88391ZKP2dmfnOl4rT9ZfRI7mLTdk1wblIUnrIq35nqwEvC" crossorigin="anonymous">
+    min_js: <script defer src="https://cdn.jsdelivr.net/npm/katex@0.16.0/dist/katex.min.js" integrity="sha384-X/XCfMm41VSsqRNQgDerQczD69XqmjOOOwYQvr/uuC+j4OPoNhVgjdGFwhvN02Ja" crossorigin="anonymous"></script>
+    auto_render_min_js: <script defer src="https://cdn.jsdelivr.net/npm/katex@0.16.0/dist/contrib/auto-render.min.js" integrity="sha384-+XBljXPPiv+OzfbB3cVmLHf4hdUFHlWNZN5spNQ7rmHTXpd7WvJum6fIACpNNfIR" crossorigin="anonymous"onload="renderMathInElement(document.body);"></script>
 
 style:
   darkmode: auto # auto / always / false

layout/_partial/head.ejs

@@ -86,6 +86,12 @@ function og_args() {
     <%- css(theme.style.codeblock.highlightjs_theme) %>
   <% } %>
 
+  <% if (theme.plugins.katex && theme.plugins.katex.enable) { %>
+    <%- theme.plugins.katex.min_css %>
+    <%- theme.plugins.katex.min_js %>
+    <%- theme.plugins.katex.auto_render_min_js %>
+  <% } %>
+
 
   <% if (config.inject && config.inject.head){ %>
     <% (config.inject.head||[]).forEach(function(item){ %>