{{- $math := dict "Page" .Page "Key" "math" "ToCamel" true | partial "function/param.html" -}}

{{- /*
  Mathematical formulas rendering:
    - KaTeX server-side rendering
    - MathJax client-side rendering
  Regular passthrough rendering:
    - support more features in future
*/ -}}
{{- if $math.enable | and (ne hugo.Context.MarkupScope "home") -}}
  {{- if eq $math.type "katex" -}}
    {{- $opts := $math.katex | merge (dict "output" "htmlAndMathml" "displayMode" (eq $.Type "block")) }}
    {{- /* render mathematical markup to HTML */ -}}
    {{- with try (transform.ToMath .Inner $opts) }}
      {{- with .Err }}
        {{- errorf "Unable to render mathematical markup to HTML using the transform.ToMath function. The KaTeX display engine threw the following error: %s: see %s." . $.Position }}
      {{- else }}
        {{- .Value }}
        {{- $.Page.Store.Set "hasKaTeX" true -}}
      {{- end }}
    {{- end -}}
  {{- else if eq $math.type "mathjax" -}}
    {{- if eq $.Type "block" -}}
      $${{- .Inner -}}$$
    {{- else -}}
      ${{ .Inner }}$
    {{- end -}}
    {{- $.Page.Store.Set "hasMathJax" true -}}
  {{- end -}}
{{- else -}}
  {{- /* Regular passthrough rendering */ -}}
  {{- /* waiting for Hugo interface to get delimiters */ -}}
  {{- .Inner -}}
{{- end -}}