keycloak_theme/src/bin/build-keycloak-theme/generateFtl/login-idp-link-confirm.ftl

<script>const _= 
{
	"idpAlias": (function (){
	    <#attempt>
	        return "${idpAlias}";
	    <#recover>
	    </#attempt>
		return "";
	})()
}
</script>