Overleaf/services/web/app/views/layout/language-picker.pug

li.dropdown.dropup.subdued.language-picker(dropdown)
	a#language-picker-toggle.dropdown-toggle(
		href='#'
		dropdown-toggle
		data-ol-lang-selector-tooltip
		data-toggle='dropdown'
		role='button'
		aria-haspopup='true'
		aria-expanded='false'
		aria-label='Select ' + translate('language')
		tooltip=translate('language')
		title=translate('language')
	)
		i.fa.fa-fw.fa-language
		|
		| #{settings.translatedLanguages[currentLngCode]}

	ul.dropdown-menu(role='menu' aria-labelledby='language-picker-toggle')
		li.dropdown-header #{translate("language")}
		each subdomainDetails, subdomain in settings.i18n.subdomainLang
			if !subdomainDetails.hide
				li.lng-option
					a.menu-indent(
						href=subdomainDetails.url + currentUrlWithQueryParams
						role='menuitem'
					)
						| #{settings.translatedLanguages[subdomainDetails.lngCode]}