{{- if or (eq site.Params.math.enable true) (eq .Params.math true) -}}
  {{- $use := "katex" -}}

  {{- with site.Params.math -}}
    {{- if and (isset . "use") (eq (.use | lower) "mathjax") -}}
      {{- $use = "mathjax" -}}
    {{- end -}}

  {{- end -}}

  {{- if eq $use "mathjax" -}}
    {{- $url := "https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.7/MathJax.js?config=TeX-AMS-MML_HTMLorMML" -}}
    {{- $hash := "sha384-e/4/LvThKH1gwzXhdbY2AsjR3rm7LHWyhIG5C0jiRfn8AN2eTN5ILeztWw0H9jmN" -}}
    <script defer type="text/javascript" src="{{- $url -}}" integrity="{{- $hash -}}" crossorigin="anonymous"></script>
    <script type="text/x-mathjax-config">
      MathJax.Hub.Config({ tex2jax: { inlineMath: [['$','$'], ['\\(','\\)']] } });
    </script>
  {{- else -}}
    {{- $url := "https://cdn.jsdelivr.net/npm/katex@0.13.0/dist/katex.min.css" -}}
    {{- $hash := "sha384-t5CR+zwDAROtph0PXGte6ia8heboACF9R5l/DiY+WZ3P2lxNgvJkQk5n7GPvLMYw" -}}
    <link rel="stylesheet" href="{{- $url -}}" integrity="{{- $hash -}}" crossorigin="anonymous" />

    {{- $url := "https://cdn.jsdelivr.net/npm/katex@0.13.0/dist/katex.min.js" -}}
    {{- $hash := "sha384-FaFLTlohFghEIZkw6VGwmf9ISTubWAVYW8tG8+w2LAIftJEULZABrF9PPFv+tVkH" -}}
    <script defer src="{{- $url -}}" integrity="{{- $hash -}}" crossorigin="anonymous"></script>

    {{- $url := "https://cdn.jsdelivr.net/npm/katex@0.13.0/dist/contrib/auto-render.min.js" -}}
    {{- $hash := "sha384-bHBqxz8fokvgoJ/sc17HODNxa42TlaEhB+w8ZJXTc2nZf1VgEaFZeZvT4Mznfz0v" -}}
    <script
      defer
      src="{{- $url -}}"
      integrity="{{- $hash -}}"
      crossorigin="anonymous"
      onload="renderMathInElement(document.body);"
    ></script>
  {{- end -}}

{{- end -}}