hugo-toha/layouts/partials/navigators/lang-selector.html

<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" id="languageSelector" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
    {{ $countryCode := partial "helpers/country-code.html" . }}
    <span class="flag-icon flag-icon-{{$countryCode}}"></span>
    {{ site.Language.LanguageName }}
</a>
<div class="dropdown-menu" aria-labelledby="languageSelector">
    {{ range site.Home.AllTranslations }}
    <a class="dropdown-item nav-link languages-item" href="{{ .RelPermalink }}">
        {{ $countryCode := partial "helpers/country-code.html" . }}
        <span class="flag-icon flag-icon-{{$countryCode}}"></span>
        {{ .Language.LanguageName }}
    </a>
    {{ end }}
</div>
</li>