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Diffstat (limited to 'layouts/partials/toc.html')
| -rw-r--r-- | layouts/partials/toc.html | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/layouts/partials/toc.html b/layouts/partials/toc.html new file mode 100644 index 0000000..7b4ac78 --- /dev/null +++ b/layouts/partials/toc.html @@ -0,0 +1,44 @@ +<!-- toc.html --> +<!-- ignore empty links with + --> +{{ $headers := findRE "<h[1-4].*?>(.|\n])+?</h[1-4]>" .Content }} +<!-- at least one header to link to --> +{{ if ge (len $headers) 1 }} +{{ $h1_n := len (findRE "(.|\n])+?" .Content) }} +{{ $re := (cond (eq $h1_n 0) "<h[2-4]" "<h[1-4]") }} +{{ $renum := (cond (eq $h1_n 0) "[2-4]" "[1-4]") }} + +<!--Scrollspy--> +<div class="toc"> + + <div class="page-header"><strong>目录</strong></div> + + <div id="page-scrollspy" class="toc-nav"> + + {{ range $headers }} + {{ $header := . }} + {{ range first 1 (findRE $re $header 1) }} + {{ range findRE $renum . 1 }} + {{ $next_heading := (cond (eq $h1_n 0) (sub (int .) 1 ) (int . ) ) }} + {{ range seq $next_heading }} + <ul class="nav"> + {{end}} + {{ $anchorId := (replaceRE ".* id=\"(.*?)\".*" "$1" $header ) }} + <li class="nav-item"> + <a class="nav-link text-left" href="#{{ $anchorId }}"> + {{ $header | plainify | htmlUnescape }} + </a> + </li> + <!-- close list --> + {{ range seq $next_heading }} + </ul> + {{ end }} + {{ end }} + {{ end }} + {{ end }} + + </div> + +</div> +<!--Scrollspy--> + +{{ end }}
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