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Cell
47 lines
1.7 KiB
HTML
47 lines
1.7 KiB
HTML
{{- $params := .Page.Params | merge site.Params.page -}}
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{{- $math := $params.math -}}
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{{- if eq $math true -}}
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{{- $math = dict "enable" true | merge site.Params.page.math -}}
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{{- else if eq $math false -}}
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{{- $math = dict "enable" false -}}
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{{- end -}}
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{{- /*
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Mathematical formulas rendering:
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- KaTeX server-side rendering
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- MathJax client-side rendering
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Regular passthrough rendering:
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- support more features in future
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*/ -}}
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{{- if $math.enable | and (ne hugo.Context.MarkupScope "home") -}}
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{{- if eq $math.type "katex" -}}
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{{- $katex := $math.katex -}}
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{{- $opts := dict "output" "htmlAndMathml" "displayMode" (eq $.Type "block") }}
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{{- $opts = dict "throwOnError" $katex.throwOnError "errorColor" $katex.errorColor | merge $opts }}
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{{- $macros := $katex.macros | default dict -}}
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{{- if $macros -}}
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{{- $opts = dict "macros" $macros | merge $opts -}}
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{{- end -}}
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{{- /* render mathematical markup to HTML */ -}}
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{{- with try (transform.ToMath .Inner $opts) }}
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{{- with .Err }}
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{{- 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 }}
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{{- else }}
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{{- .Value }}
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{{- $.Page.Store.Set "hasKaTeX" true -}}
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{{- end }}
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{{- end -}}
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{{- else if eq $math.type "mathjax" -}}
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{{- if eq $.Type "block" -}}
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$${{- .Inner -}}$$
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{{- else -}}
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${{ .Inner }}$
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{{- end -}}
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{{- $.Page.Store.Set "hasMathJax" true -}}
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{{- end -}}
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{{- else -}}
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{{- /* Regular passthrough rendering */ -}}
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{{- /* waiting for Hugo interface to get delimiters */ -}}
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{{- .Inner -}}
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{{- end -}}
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