Overleaf/services/web/app/views/layout-base.pug

doctype html
html(
	lang=(currentLngCode || 'en')
	class=(fixedSizeDocument ? 'fixed-size-document' : undefined)
)
	- metadata = metadata || {}
	- bootstrap5EnabledPage = false

	block entrypointVar

	block vars

	head
		include ./_metadata.pug
			
		- var bootstrapVersion = bootstrap5EnabledPage && splitTestVariants['bootstrap-5'] === 'enabled' ? 5 : 3

		//- Stylesheet
		link(rel='stylesheet', href=buildCssPath(getCssThemeModifier(userSettings, brandVariation), bootstrapVersion), id="main-stylesheet")
		block css
			each file in entrypointStyles(entrypoint)
				link(rel='stylesheet', href=file)

		block _headLinks

		if (typeof(suppressRelAlternateLinks) == "undefined")
			if settings.i18n.subdomainLang
				each subdomainDetails in settings.i18n.subdomainLang
					if !subdomainDetails.hide
						link(rel="alternate", href=subdomainDetails.url+currentUrl, hreflang=subdomainDetails.lngCode)
		
		if (entrypoint !== 'marketing')
			link(rel="preload", href=buildJsPath(currentLngCode + "-json.js"), as="script", nonce=scriptNonce)

		//- Scripts
		if (typeof(suppressGoogleAnalytics) == "undefined")
			include _google_analytics

		block meta
			meta(name="ol-csrfToken" content=csrfToken)
			//- Configure dynamically loaded assets (via webpack) to be downloaded from CDN
			//- See: https://webpack.js.org/guides/public-path/#on-the-fly
			meta(name="ol-baseAssetPath" content=buildBaseAssetPath())
			meta(name="ol-mathJaxPath" content=mathJaxPath)

			meta(name="ol-usersEmail" content=getUserEmail())
			meta(name="ol-ab" data-type="json" content={})
			meta(name="ol-user_id" content=getLoggedInUserId())
			//- Internationalisation settings
			meta(name="ol-i18n" data-type="json" content={
				currentLangCode: currentLngCode
			})
			//- Expose some settings globally to the frontend
			meta(name="ol-ExposedSettings" data-type="json" content=ExposedSettings)
			meta(name="ol-splitTestVariants" data-type="json" content=splitTestVariants || {})
			meta(name="ol-splitTestInfo" data-type="json" content=splitTestInfo || {})

			if (typeof(settings.algolia) != "undefined")
				meta(name="ol-algolia" data-type="json" content={
					appId: settings.algolia.app_id,
					apiKey: settings.algolia.read_only_api_key,
					indexes: settings.algolia.indexes
				})

			meta(name="ol-isManagedAccount" data-type="boolean" content=isManagedAccount)
			each restriction in userRestrictions || []
				meta(name='ol-cannot-' + restriction data-type="boolean" content=true)
			meta(name="ol-bootstrapVersion" data-type="json" content=bootstrapVersion)

		block head-scripts

	body(ng-csp=(cspEnabled ? "no-unsafe-eval" : false) class=(showThinFooter ? 'thin-footer' : undefined))
		if(settings.recaptcha && settings.recaptcha.siteKeyV3)
			script(type="text/javascript", nonce=scriptNonce, src="https://www.recaptcha.net/recaptcha/api.js?render="+settings.recaptcha.siteKeyV3, defer=deferScripts)

		if (typeof(suppressSkipToContent) == "undefined")
			a(class="skip-to-content" href="#main-content") #{translate('skip_to_content')}

		block body

		if (settings.splitTest.devToolbar.enabled)
			div#dev-toolbar

	block foot-scripts
		each file in entrypointScripts(entrypoint)
			script(type="text/javascript", nonce=scriptNonce, src=file, defer=deferScripts)
		if (settings.splitTest.devToolbar.enabled)
			each file in entrypointScripts("devToolbar")
				script(type="text/javascript", nonce=scriptNonce, src=file, defer=deferScripts)
	
	script(type="text/javascript", nonce=scriptNonce).
		window.addEventListener('DOMContentLoaded', function() {
			//- 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";
			}
		})