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seirdy.one/layouts/_default/_markup/render-heading.html
Rohan Kumar 7546bd1c20
Fix heading permalinks in reading mode
horrible hack, crimes.
2022-06-22 21:18:32 -07:00

22 lines
1.2 KiB
HTML

<!--
Intended properties of this render-hook:
1. Headings are focusable, but not from the keyboard. This allows VoiceOver to navigate to a heading from the TOC.
2. <h2> elements are followed by a section permalink, which is useful for sharing a subset of an article.
3. The page looks as similar as possible to graphical-browsers, textual browsers (e.g. Lynx), and assistive technologies.
4. Reading-mode implementations preserve headings without getting confused by the section permalinks.
5. Machine-translation works as intended with or without assistive technologies.
6. All of this applies with or without CSS.
To achieve all these properties, I had to break the first rule of ARIA and misuse <aside>.
I'm a markup criminal now.
-->
<h{{ .Level }} id="{{ .Anchor | safeURL }}" tabindex="-1">{{ .Text | safeHTML -}}</h{{ .Level }}>
{{- if and (eq .Level 2) (eq .Page.Section "posts") -}}
<!--crimes-->
<aside role="none"><a
id="{{ .Anchor | safeURL }}-anchor" href="#{{ .Anchor | safeURL }}"
aria-labelledby="{{ .Anchor | safeURL }}-prefix {{ .Anchor | safeURL }}">
<span id="{{ .Anchor | safeURL }}-prefix">Permalink to section</span>
</a></aside>
{{- end }}