overleaf/services/web/app/views/layout.pug

doctype html
html(
	lang=(currentLngCode || 'en')
)
	- metadata = metadata || {}
	block vars

	head
		include ./_metadata.pug

		script(type="text/javascript").
			// Stop superfish from loading
			window.similarproducts = true
		style [ng\:cloak], [ng-cloak], [data-ng-cloak], [x-ng-cloak], .ng-cloak, .x-ng-cloak  {display: none !important; display: none; }

		-if (typeof(gaExperiments) != "undefined")
			|!{gaExperiments}

		//- Stylesheet
		link(rel='stylesheet', href=buildCssPath(getCssThemeModifier(userSettings, brandVariation)), id="main-stylesheet")

		block _headLinks

		if settings.i18n.subdomainLang
			each subdomainDetails in settings.i18n.subdomainLang
				if !subdomainDetails.hide
					link(rel="alternate", href=subdomainDetails.url+currentUrl, hreflang=subdomainDetails.lngCode)

		//- Scripts

		//- Google Analytics
		- if (typeof(gaToken) != "undefined")
			script(type='text/javascript').
				(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
				(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
				m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
				})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
			script(type='text/javascript').
				ga('create', '#{gaToken}', '#{settings.cookieDomain.replace(/^\./, "")}');
				ga('send', 'pageview');

				try {
					ga.isBlocked = localStorage.getItem('gaBlocked') === 'true'
					if (!ga.isBlocked) {
						window.addEventListener('load', function () {
							setTimeout(function () {
								if (!ga.loaded) localStorage.setItem('gaBlocked', 'true')
							}, 4000)
						})
					}
				} catch (e) {}
			if gaOptimize === true && typeof(gaOptimizeId) != "undefined"
				//- Anti-flicker snippet
				style(type='text/css') .async-hide { opacity: 0 !important}
				script(type='text/javascript').
					if (!ga.isBlocked) {
						ga('require', '#{gaOptimizeId}');
						ga('send', 'event', 'pageview',  document.title.substring(0, 499), window.location.href.substring(0, 499));
						(function(a,s,y,n,c,h,i,d,e){s.className+=' '+y;h.start=1*new Date;
						h.end=i=function(){s.className=s.className.replace(RegExp(' ?'+y),'')};
						(a[n]=a[n]||[]).hide=h;setTimeout(function(){i();h.end=null},c);h.timeout=c;
						})(window,document.documentElement,'async-hide','dataLayer',4000,
						{'#{gaOptimizeId}':true});
					}

		- else
			script(type='text/javascript').
				window.ga = function() { console.log("would send to GA", arguments) };

		script(type="text/javascript").
			window.csrfToken = "#{csrfToken}";
			//- Configure dynamically loaded assets (via webpack) to be downloaded from CDN
			//- See: https://webpack.js.org/guides/public-path/#on-the-fly
			window.baseAssetPath = "#{buildBaseAssetPath()}"

		block head-scripts

		meta(id="ol-usersEmail" content=getUserEmail())
		script.
			window.sharelatex = {
				siteUrl: '#{settings.siteUrl}',
				wsUrl: '#{wsUrl}',
			};
			window.ab = {};
			window.user_id = '#{getLoggedInUserId()}';
			//- Internationalisation settings
			window.i18n = {
				currentLangCode: '#{currentLngCode}'
			}
			//- Expose some settings globally to the frontend
			window.ExposedSettings = JSON.parse('!{StringHelper.stringifyJsonForScript(ExposedSettings)}');

		- if (typeof(settings.algolia) != "undefined")
			script.
				window.sharelatex.algolia = {
					app_id:'#{settings.algolia.app_id}',
					api_key:'#{settings.algolia.read_only_api_key}',
					indexes:!{StringHelper.stringifyJsonForScript(settings.algolia.indexes)}
				}

		- if (typeof(settings.templates) != "undefined")
			script.
				window.sharelatex.templates = {
					user_id : '!{settings.templates.user_id}',
					cdnDomain : '!{settings.templates.cdnDomain}',
					indexName : '!{settings.templates.indexName}'
				}


	body
		if(settings.recaptcha && settings.recaptcha.siteKeyV3)
			script(src="https://www.google.com/recaptcha/api.js?render="+settings.recaptcha.siteKeyV3)


		- if(typeof(suppressNavbar) == "undefined")
			include layout/navbar

		block content

		- if(typeof(suppressFooter) == "undefined")
			include layout/footer

		!= moduleIncludes("contactModal", locals)

		block foot-scripts
			script(src=buildJsPath('libraries.js'))
			script(src=buildJsPath('main.js'))
			script(type="text/javascript").
				//- Look for bundle
				var cdnBlocked = typeof Frontend === 'undefined'
				//- Prevent loops
				var noCdnAlreadyInUrl = window.location.href.indexOf("nocdn=true") != -1
				if (cdnBlocked && !noCdnAlreadyInUrl && navigator.userAgent.indexOf("Googlebot") == -1) {
					//- Set query param, server will not set CDN url
					window.location.search += "&nocdn=true";
				}