{{ $theme := .Site.Params.UtterancesTheme | default "github-light" }}
{{ $label := .Site.Params.UtterancesLabel | default "" }}
{{ $issue := .Site.Params.UtterancesIssue | default "url" }}
<script src="https://utteranc.es/client.js"
        repo="{{- .Site.Params.UtterancesRepo -}}"
        theme="{{ $theme }}"
        label="{{ $label }}"
        issue-term="{{ $issue }}"
        crossorigin="anonymous"
        async>
</script>