forgejo/templates/repo/star_unstar.tmpl

<form hx-boost="true" hx-target="this" method="post" action="{{$.RepoLink}}/action/{{if $.IsStaringRepo}}un{{end}}star">
	<div class="ui labeled button" {{if not $.IsSigned}}data-tooltip-content="{{ctx.Locale.Tr "repo.star_guest_user"}}"{{end}}>
		<button type="submit" class="ui compact small basic button"{{if not $.IsSigned}} disabled{{end}}>
			{{if $.IsStaringRepo}}
				{{svg "octicon-star-fill"}}<span class="text not-mobile">{{ctx.Locale.Tr "repo.unstar"}}</span>
			{{else}}
				{{svg "octicon-star"}}<span class="text not-mobile">{{ctx.Locale.Tr "repo.star"}}</span>
			{{end}}
		</button>
		<a hx-boost="false" class="ui basic label" href="{{$.RepoLink}}/stars">
			{{CountFmt .Repository.NumStars}}
		</a>
	</div>
</form>