Transliteration of characters in anchor links, table of contents, and sidebar

[Onotot]

Hello. I'm looking for a more efficient and correct way to transliterate characters for generating anchor links within a page, in the responsive sidebar, and in the table of contents.

I've implemented a solution using a partials/transliterate.html file:

{{- $text := . -}}
{{- $id := $text | lower -}}

{{- $pairs := dict
...
-}}

{{- range $key, $val := $pairs -}}
  {{- $id = replace $id $key $val -}}
{{- end -}}

{{- $id = anchorize $id -}}

{{- return $id -}}

This involved modifying render-heading.html:

{{- $customAnchor := partial "transliterate.html" .PlainText -}}

<h{{ .Level }}>
  {{- .Text | safeHTML -}}
  {{- if gt .Level 1 -}}
    <span class="hx-absolute -hx-mt-20" id="{{ $customAnchor }}"></span>
    <a href="#{{ $customAnchor }}" class="subheading-anchor" aria-label="Permalink for this section"></a>
  {{- end -}}
</h{{ .Level }}>
{{- /* Drop trailing newlines */ -}}

toc.html, and sidebar.html to apply the transliteration to the links.

Modifications to render-heading are confined to in-page anchors and do not extend to the Table of Contents (TOC) or sidebar.

It feels like there should be a more elegant solution, and I'm hoping someone can point me in the right direction.

Using theme version 0.9.7, if that matters.

The github-ascii option for autoHeadingIDType in hugo.yml is not suitable for me, as it results in characters being lost.