diff options
Diffstat (limited to 'themes/PaperMod/layouts/partials/toc.html')
| -rw-r--r-- | themes/PaperMod/layouts/partials/toc.html | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/themes/PaperMod/layouts/partials/toc.html b/themes/PaperMod/layouts/partials/toc.html new file mode 100644 index 0000000..d9b8b23 --- /dev/null +++ b/themes/PaperMod/layouts/partials/toc.html @@ -0,0 +1,97 @@ +{{- $headers := findRE "<h[1-6].*?>(.|\n])+?</h[1-6]>" .Content -}} +{{- $has_headers := ge (len $headers) 1 -}} +{{- if $has_headers -}} +<div class="toc"> + <details {{if (.Param "TocOpen") }} open{{ end }}> + <summary accesskey="c" title="(Alt + C)"> + <span class="details">{{- i18n "toc" | default "Table of Contents" }}</span> + </summary> + + <div class="inner"> + {{- if (.Param "UseHugoToc") }} + {{- .TableOfContents -}} + {{- else }} + {{- $largest := 6 -}} + {{- range $headers -}} + {{- $headerLevel := index (findRE "[1-6]" . 1) 0 -}} + {{- $headerLevel := len (seq $headerLevel) -}} + {{- if lt $headerLevel $largest -}} + {{- $largest = $headerLevel -}} + {{- end -}} + {{- end -}} + + {{- $firstHeaderLevel := len (seq (index (findRE "[1-6]" (index $headers 0) 1) 0)) -}} + + {{- $.Scratch.Set "bareul" slice -}} + <ul> + {{- range seq (sub $firstHeaderLevel $largest) -}} + <ul> + {{- $.Scratch.Add "bareul" (sub (add $largest .) 1) -}} + {{- end -}} + {{- range $i, $header := $headers -}} + {{- $headerLevel := index (findRE "[1-6]" . 1) 0 -}} + {{- $headerLevel := len (seq $headerLevel) -}} + + {{/* get id="xyz" */}} + {{- $id := index (findRE "(id=\"(.*?)\")" $header 9) 0 }} + + {{- /* strip id="" to leave xyz, no way to get regex capturing groups in hugo */ -}} + {{- $cleanedID := replace (replace $id "id=\"" "") "\"" "" }} + {{- $header := replaceRE "<h[1-6].*?>((.|\n])+?)</h[1-6]>" "$1" $header -}} + + {{- if ne $i 0 -}} + {{- $prevHeaderLevel := index (findRE "[1-6]" (index $headers (sub $i 1)) 1) 0 -}} + {{- $prevHeaderLevel := len (seq $prevHeaderLevel) -}} + {{- if gt $headerLevel $prevHeaderLevel -}} + {{- range seq $prevHeaderLevel (sub $headerLevel 1) -}} + <ul> + {{/* the first should not be recorded */}} + {{- if ne $prevHeaderLevel . -}} + {{- $.Scratch.Add "bareul" . -}} + {{- end -}} + {{- end -}} + {{- else -}} + </li> + {{- if lt $headerLevel $prevHeaderLevel -}} + {{- range seq (sub $prevHeaderLevel 1) -1 $headerLevel -}} + {{- if in ($.Scratch.Get "bareul") . -}} + </ul> + {{/* manually do pop item */}} + {{- $tmp := $.Scratch.Get "bareul" -}} + {{- $.Scratch.Delete "bareul" -}} + {{- $.Scratch.Set "bareul" slice}} + {{- range seq (sub (len $tmp) 1) -}} + {{- $.Scratch.Add "bareul" (index $tmp (sub . 1)) -}} + {{- end -}} + {{- else -}} + </ul> + </li> + {{- end -}} + {{- end -}} + {{- end -}} + {{- end }} + <li> + <a href="#{{- $cleanedID -}}" aria-label="{{- $header | plainify -}}">{{- $header | safeHTML -}}</a> + {{- else }} + <li> + <a href="#{{- $cleanedID -}}" aria-label="{{- $header | plainify -}}">{{- $header | safeHTML -}}</a> + {{- end -}} + {{- end -}} + <!-- {{- $firstHeaderLevel := len (seq (index (findRE "[1-6]" (index $headers 0) 1) 0)) -}} --> + {{- $firstHeaderLevel := $largest }} + {{- $lastHeaderLevel := len (seq (index (findRE "[1-6]" (index $headers (sub (len $headers) 1)) 1) 0)) }} + </li> + {{- range seq (sub $lastHeaderLevel $firstHeaderLevel) -}} + {{- if in ($.Scratch.Get "bareul") (add . $firstHeaderLevel) }} + </ul> + {{- else }} + </ul> + </li> + {{- end -}} + {{- end }} + </ul> + {{- end }} + </div> + </details> +</div> +{{- end }} |