Hugo-theme-stack/layouts/partials/comments/provider/waline.html

<script src='//cdn.jsdelivr.net/npm/@waline/client/dist/Waline.min.js'></script>
<div id="waline" class="waline-container"></div>
<style>
    .waline-container {
        background-color: var(--card-background);
        border-radius: var(--card-border-radius);
        box-shadow: var(--shadow-l1);
        padding: var(--card-padding);
    }
    .waline-container .vcount {
        color: var(--card-text-color-main);
    }
</style>

{{- with .Site.Params.comments.waline -}}
{{- $config := dict "el" "#waline" "dark" `html[data-scheme="dark"]` -}}
{{- $replaceKeys := dict "serverurl" "serverURL" "requiredmeta" "requiredMeta" "wordlimit" "wordLimit" "pagesize" "pageSize" "avatarcdn" "avatarCDN" "avatarforce" "avatarForce" -}}

{{- range $key, $val := . -}}
    {{- if $val -}}  
        {{- $replaceKey := index $replaceKeys $key -}}
        {{- $k := default $key $replaceKey -}}

        {{- $config = merge $config (dict $k $val) -}}
    {{- end -}}
{{- end -}}

<script>
    /// Waline client configuration see: https://waline.js.org/en/reference/client.html
    new Waline({{ $config | jsonify | safeJS }});
</script>
{{- end -}}