static/main.js - compiler-explorer - Rivoreo Source Code Repositories

 // Copyright (c) 2016, Matt Godbolt
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are met:
 //
 //     * Redistributions of source code must retain the above copyright notice,
 //       this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above copyright
 //       notice, this list of conditions and the following disclaimer in the
 //       documentation and/or other materials provided with the distribution.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 // POSSIBILITY OF SUCH DAMAGE
 "use strict";

 // setup analytics before anything else so we can capture any future errors in sentry
 var analytics = require('./analytics');

 require('popper.js');
 require('bootstrap');
 require('bootstrap-slider');

 var sharing = require('./sharing');
 var _ = require('underscore');
 var $ = require('jquery');
 var GoldenLayout = require('golden-layout');
 var Components = require('./components');
 var url = require('./url');
 var clipboard = require('clipboard');
 var Hub = require('./hub');
 var Sentry = require('@sentry/browser');
 var settings = require('./settings');
 var local = require('./local');
 var Alert = require('./alert');
 var themer = require('./themes');
 var motd = require('./motd');
 var jsCookie = require('js-cookie');
 var SimpleCook = require('./simplecook');
 var History = require('./history');
 var HistoryWidget = require('./history-widget').HistoryWidget;

 //css
 require("bootstrap/dist/css/bootstrap.min.css");
 require("golden-layout/src/css/goldenlayout-base.css");
 require("selectize/dist/css/selectize.bootstrap2.css");
 require("bootstrap-slider/dist/css/bootstrap-slider.css");
 require("./colours.css");
 require("./explorer.css");

 // Check to see if the current unload is a UI reset.
 // Forgive me the global usage here
 var hasUIBeenReset = false;
 var simpleCooks = new SimpleCook();
 var historyWidget = new HistoryWidget();

 // Polyfill includes for IE11 - From MDN
 if (!String.prototype.includes) {
     String.prototype.includes = function (search, start) {
         if (search instanceof RegExp) {
             throw TypeError('first argument must not be a RegExp');
         }
         if (start === undefined) { start = 0; }
         return this.indexOf(search, start) !== -1;
     };
 }

 function setupSettings(hub) {
     var eventHub = hub.layout.eventHub;
     var defaultSettings = {
         defaultLanguage: hub.defaultLangId
     };
     var currentSettings = JSON.parse(local.get('settings', null)) || defaultSettings;

     function onChange(newSettings) {
         if (currentSettings.theme !== newSettings.theme) {
             analytics.proxy('send', {
                 hitType: 'event',
                 eventCategory: 'ThemeChange',
                 eventAction: newSettings.theme
             });
         }
         if (currentSettings.colourScheme !== newSettings.colourScheme) {
             analytics.proxy('send', {
                 hitType: 'event',
                 eventCategory: 'ColourSchemeChange',
                 eventAction: newSettings.colourScheme
             });
         }
         currentSettings = newSettings;
         local.set('settings', JSON.stringify(newSettings));
         eventHub.emit('settingsChange', newSettings);
     }

     new themer.Themer(eventHub, currentSettings);

     eventHub.on('requestSettings', function () {
         eventHub.emit('settingsChange', currentSettings);
     });

     var setSettings = settings($('#settings'), currentSettings, onChange, hub.subdomainLangId);
     eventHub.on('modifySettings', function (newSettings) {
         setSettings(_.extend(currentSettings, newSettings));
     });
     return currentSettings;
 }

 function hasCookieConsented(options) {
     return jsCookie.get(options.policies.cookies.key) === options.policies.cookies.hash;
 }

 function setupButtons(options) {
     var alertSystem = new Alert();

     // I'd like for this to be the only function used, but it gets messy to pass the callback function around,
     // so we instead trigger a click here when we want it to open with this effect. Sorry!
     if (options.policies.privacy.enabled) {
         $('#privacy').click(function (event, data) {
             alertSystem.alert(
                 data && data.title ? data.title : "Privacy policy",
                 require('./policies/privacy.html')
             );
             // I can't remember why this check is here as it seems superfluous
             if (options.policies.privacy.enabled) {
                 jsCookie.set(options.policies.privacy.key, options.policies.privacy.hash, {expires: 365});
             }
         });
     }

     if (options.policies.cookies.enabled) {
         var getCookieTitle = function () {
             return 'Cookies & related technologies policy<br><p>Current consent status: <span style="color:' +
                 (hasCookieConsented(options) ? 'green' : 'red') + '">' +
                 (hasCookieConsented(options) ? 'Granted' : 'Denied') + '</span></p>';
         };
         $('#cookies').click(function () {
             alertSystem.ask(getCookieTitle(), $(require('./policies/cookies.html')), {
                 yes: function () {
                     simpleCooks.callDoConsent.apply(simpleCooks);
                 },
                 yesHtml: 'Consent',
                 no: function () {
                     simpleCooks.callDontConsent.apply(simpleCooks);
                 },
                 noHtml: 'Do NOT consent'
             });
         });
     }

     $('#ui-reset').click(function () {
         local.remove('gl');
         hasUIBeenReset = true;
         window.history.replaceState(null, null, window.httpRoot);
         window.location.reload();
     });

     $('#ui-duplicate').click(function () {
         window.open('/', '_blank');
     });

     $('#thanks-to').click(function () {
         alertSystem.alert("Special thanks to", $(require('./thanks.html')));
     });
     $('#changes').click(function () {
         alertSystem.alert("Changelog", $(require('./changelog.html')));
     });

     $('#ui-history').click(function () {
         historyWidget.run(function (data) {
             local.set('gl', JSON.stringify(data.config));
             hasUIBeenReset = true;
             window.history.replaceState(null, null, window.httpRoot);
             window.location.reload();
         });

         $('#history').modal();
     });
 }

 function findConfig(defaultConfig, options) {
     var config = null;
     if (!options.embedded) {
         if (options.config) {
             config = options.config;
         } else {
             config = url.deserialiseState(window.location.hash.substr(1));
         }

         if (config) {
             // replace anything in the default config with that from the hash
             config = _.extend(defaultConfig, config);
         }
         if (!config) {
             var savedState = local.get('gl', null);
             config = savedState !== null ? JSON.parse(savedState) : defaultConfig;
         }
     } else {
         config = _.extend(defaultConfig, {
             settings: {
                 showMaximiseIcon: false,
                 showCloseIcon: false,
                 hasHeaders: false
             }
         }, sharing.configFromEmbedded(window.location.hash.substr(1)));
     }
     return config;
 }

 function initializeResetLayoutLink() {
     var currentUrl = document.URL;
     if (currentUrl.includes("/z/")) {
         $("#ui-brokenlink").attr("href", currentUrl.replace("/z/", "/resetlayout/"));
         $("#ui-brokenlink").show();
     } else {
         $("#ui-brokenlink").hide();
     }
 }

 function initPolicies(options) {
     // Ensure old cookies are removed, to avoid user confusion

     jsCookie.remove('fs_uid');
     jsCookie.remove('cookieconsent_status');
     if (options.policies.privacy.enabled &&
         options.policies.privacy.hash !== jsCookie.get(options.policies.privacy.key)) {
         $('#privacy').trigger('click', {
             title: 'New Privacy Policy. Please take a moment to read it'
         });
     }
     simpleCooks.onDoConsent = function () {
         jsCookie.set(options.policies.cookies.key, options.policies.cookies.hash, {expires: 365});
         analytics.toggle(true);
     };
     simpleCooks.onDontConsent = function () {
         analytics.toggle(false);
         jsCookie.set(options.policies.cookies.key, '');
     };
     simpleCooks.onHide = function () {
         $(window).trigger('resize');
     };
     // '' means no consent. Hash match means consent of old. Null means new user!
     var storedCookieConsent = jsCookie.get(options.policies.cookies.key);
     if (options.policies.cookies.enabled && storedCookieConsent !== '' &&
         options.policies.cookies.hash !== storedCookieConsent) {
         simpleCooks.show();
     } else if (options.policies.cookies.enabled && hasCookieConsented(options)) {
         analytics.initialise();
     }
 }

 // eslint-disable-next-line max-statements
 function start() {
     initializeResetLayoutLink();

     var options = require('options');

     var hostnameParts = window.location.hostname.split('.');
     var subLangId = undefined;
     // Only set the subdomain lang id if it makes sense to do so
     if (hostnameParts.length > 0) {
         var subdomainPart = hostnameParts[0];
         var langBySubdomain = _.find(options.languages, function (lang) {
             return lang.id === subdomainPart || lang.alias.indexOf(subdomainPart) !== -1;
         });
         if (langBySubdomain) {
             subLangId = langBySubdomain.id;
         }
     }
     var defaultLangId = subLangId;
     if (!defaultLangId) {
         if (options.languages["c++"]) {
             defaultLangId = "c++";
         } else {
             defaultLangId = _.keys(options.languages)[0];
         }
     }

     // Cookie domains are matched as a RE against the window location. This allows a flexible
     // way that works across multiple domains (e.g. godbolt.org and compiler-explorer.com).
     // We allow this to be configurable so that (for example), gcc.godbolt.org and d.godbolt.org
     // share the same cookie domain for some settings.
     var cookieDomain = new RegExp(options.cookieDomainRe).exec(window.location.hostname);
     if (cookieDomain && cookieDomain[0]) {
         cookieDomain = cookieDomain[0];
         jsCookie.defaults.domain = cookieDomain;
     }

     var defaultConfig = {
         settings: {showPopoutIcon: false},
         content: [{
             type: 'row',
             content: [
                 Components.getEditor(1, defaultLangId),
                 Components.getCompiler(1, defaultLangId)
             ]
         }]
     };

     $(window).bind('hashchange', function () {
         // punt on hash events and just reload the page if there's a hash
         if (window.location.hash.substr(1)) window.location.reload();
     });

     // Which buttons act as a linkable popup
     var linkablePopups = ['#thanks-to', '#changes', '#cookies', '#setting', '#privacy'];
     var hashPart = linkablePopups.indexOf(window.location.hash) > -1 ? window.location.hash : null;
     if (hashPart) {
         window.location.hash = "";
     }

     var config = findConfig(defaultConfig, options);

     var root = $("#root");

     var layout;
     var hub;
     try {
         layout = new GoldenLayout(config, root);
         hub = new Hub(layout, subLangId, defaultLangId);
     } catch (e) {
         Sentry.captureException(e);

         if (document.URL.includes("/z/")) {
             document.location = document.URL.replace("/z/", "/resetlayout/");
         }

         layout = new GoldenLayout(defaultConfig, root);
         hub = new Hub(layout, subLangId, defaultLangId);
     }

     var lastState = null;
     var storedPaths = {};  // TODO maybe make this an LRU cache?

     layout.on('stateChanged', function () {
         var config = layout.toConfig();
         var stringifiedConfig = JSON.stringify(config);
         if (stringifiedConfig !== lastState) {
             if (storedPaths[config]) {
                 window.history.replaceState(null, null, storedPaths[stringifiedConfig]);
             } else if (window.location.pathname !== window.httpRoot) {
                 window.history.replaceState(null, null, window.httpRoot);
                 // TODO: Add this state to storedPaths, but with a upper bound on the stored state count
             }
             lastState = stringifiedConfig;

             History.push(stringifiedConfig);
         }
         if (options.embedded) {
             var strippedToLast = window.location.pathname;
             strippedToLast = strippedToLast.substr(0, strippedToLast.lastIndexOf('/') + 1);
             $('a.link').attr('href', strippedToLast + '#' + url.serialiseState(config));
         }
     });

     function sizeRoot() {
         var height = $(window).height() - (root.position().top || 0) - ($('#simplecook:visible').height() || 0);
         root.height(height);
         layout.updateSize();
     }

     $(window)
         .resize(sizeRoot)
         .on('beforeunload', function () {
             // Only preserve state in localStorage in non-embedded mode.
             if (!options.embedded && !hasUIBeenReset) {
                 local.set('gl', JSON.stringify(layout.toConfig()));
             }
         });

     new clipboard('.btn.clippy');

     var settings = setupSettings(hub);

     // We assume no consent for embed users
     if (!options.embedded) {
         setupButtons(options);
     }

     sharing.initShareButton($('#share'), layout, function (config, extra) {
         window.history.pushState(null, null, extra);
         storedPaths[JSON.stringify(config)] = extra;
     });

     function setupAdd(thing, func) {
         layout.createDragSource(thing, func);
         thing.click(function () {
             hub.addAtRoot(func());
         });
     }

     setupAdd($('#add-editor'), function () {
         return Components.getEditor();
     });
     setupAdd($('#add-diff'), function () {
         return Components.getDiff();
     });

     if (hashPart) {
         var element = $(hashPart);
         if (element) element.click();
     }
     initPolicies(options);

     // Skip some steps if using embedded mode
     if (!options.embedded) {
         // Only fetch MOTD when not embedded.
         motd.initialise(options.motdUrl, $('#motd'), subLangId, settings.enableCommunityAds,
             function (data) {
                 var sendMotd = function () {
                     hub.layout.eventHub.emit('motd', data);
                 };
                 hub.layout.eventHub.on('requestMotd', sendMotd);
                 sendMotd();
             },
             function () {
                 hub.layout.eventHub.emit('modifySettings', {
                     enableCommunityAds: false
                 });
             });

         // Don't try to update Version tree link
         var release = window.compilerExplorerOptions.gitReleaseCommit;
         var versionLink = 'https://github.com/mattgodbolt/compiler-explorer/';
         if (release) {
             versionLink += 'tree/' + release;
         }
         $('#version-tree').prop('href', versionLink);
     }

     if (options.hideEditorToolbars) {
         $('[name="editor-btn-toolbar"]').addClass("d-none");
     }

     sizeRoot();
     lastState = JSON.stringify(layout.toConfig());
 }

 $(start);
	// Copyright (c) 2016, Matt Godbolt
	// All rights reserved.
	//
	// Redistribution and use in source and binary forms, with or without
	// modification, are permitted provided that the following conditions are met:
	//
	// * Redistributions of source code must retain the above copyright notice,
	// this list of conditions and the following disclaimer.
	// * Redistributions in binary form must reproduce the above copyright
	// notice, this list of conditions and the following disclaimer in the
	// documentation and/or other materials provided with the distribution.
	//
	// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
	// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	// POSSIBILITY OF SUCH DAMAGE
	"use strict";

	// setup analytics before anything else so we can capture any future errors in sentry
	var analytics = require('./analytics');

	require('popper.js');
	require('bootstrap');
	require('bootstrap-slider');

	var sharing = require('./sharing');
	var _ = require('underscore');
	var $ = require('jquery');
	var GoldenLayout = require('golden-layout');
	var Components = require('./components');
	var url = require('./url');
	var clipboard = require('clipboard');
	var Hub = require('./hub');
	var Sentry = require('@sentry/browser');
	var settings = require('./settings');
	var local = require('./local');
	var Alert = require('./alert');
	var themer = require('./themes');
	var motd = require('./motd');
	var jsCookie = require('js-cookie');
	var SimpleCook = require('./simplecook');
	var History = require('./history');
	var HistoryWidget = require('./history-widget').HistoryWidget;

	//css
	require("bootstrap/dist/css/bootstrap.min.css");
	require("golden-layout/src/css/goldenlayout-base.css");
	require("selectize/dist/css/selectize.bootstrap2.css");
	require("bootstrap-slider/dist/css/bootstrap-slider.css");
	require("./colours.css");
	require("./explorer.css");

	// Check to see if the current unload is a UI reset.
	// Forgive me the global usage here
	var hasUIBeenReset = false;
	var simpleCooks = new SimpleCook();
	var historyWidget = new HistoryWidget();

	// Polyfill includes for IE11 - From MDN
	if (!String.prototype.includes) {
	String.prototype.includes = function (search, start) {
	if (search instanceof RegExp) {
	throw TypeError('first argument must not be a RegExp');
	}
	if (start === undefined) { start = 0; }
	return this.indexOf(search, start) !== -1;
	};
	}

	function setupSettings(hub) {
	var eventHub = hub.layout.eventHub;
	var defaultSettings = {
	defaultLanguage: hub.defaultLangId
	};
	var currentSettings = JSON.parse(local.get('settings', null)) \|\| defaultSettings;

	function onChange(newSettings) {
	if (currentSettings.theme !== newSettings.theme) {
	analytics.proxy('send', {
	hitType: 'event',
	eventCategory: 'ThemeChange',
	eventAction: newSettings.theme
	});
	}
	if (currentSettings.colourScheme !== newSettings.colourScheme) {
	analytics.proxy('send', {
	hitType: 'event',
	eventCategory: 'ColourSchemeChange',
	eventAction: newSettings.colourScheme
	});
	}
	currentSettings = newSettings;
	local.set('settings', JSON.stringify(newSettings));
	eventHub.emit('settingsChange', newSettings);
	}

	new themer.Themer(eventHub, currentSettings);

	eventHub.on('requestSettings', function () {
	eventHub.emit('settingsChange', currentSettings);
	});

	var setSettings = settings($('#settings'), currentSettings, onChange, hub.subdomainLangId);
	eventHub.on('modifySettings', function (newSettings) {
	setSettings(_.extend(currentSettings, newSettings));
	});
	return currentSettings;
	}

	function hasCookieConsented(options) {
	return jsCookie.get(options.policies.cookies.key) === options.policies.cookies.hash;
	}

	function setupButtons(options) {
	var alertSystem = new Alert();

	// I'd like for this to be the only function used, but it gets messy to pass the callback function around,
	// so we instead trigger a click here when we want it to open with this effect. Sorry!
	if (options.policies.privacy.enabled) {
	$('#privacy').click(function (event, data) {
	alertSystem.alert(
	data && data.title ? data.title : "Privacy policy",
	require('./policies/privacy.html')
	);
	// I can't remember why this check is here as it seems superfluous
	if (options.policies.privacy.enabled) {
	jsCookie.set(options.policies.privacy.key, options.policies.privacy.hash, {expires: 365});
	}
	});
	}

	if (options.policies.cookies.enabled) {
	var getCookieTitle = function () {
	return 'Cookies & related technologies policy<br><p>Current consent status: <span style="color:' +
	(hasCookieConsented(options) ? 'green' : 'red') + '">' +
	(hasCookieConsented(options) ? 'Granted' : 'Denied') + '</span></p>';
	};
	$('#cookies').click(function () {
	alertSystem.ask(getCookieTitle(), $(require('./policies/cookies.html')), {
	yes: function () {
	simpleCooks.callDoConsent.apply(simpleCooks);
	},
	yesHtml: 'Consent',
	no: function () {
	simpleCooks.callDontConsent.apply(simpleCooks);
	},
	noHtml: 'Do NOT consent'
	});
	});
	}

	$('#ui-reset').click(function () {
	local.remove('gl');
	hasUIBeenReset = true;
	window.history.replaceState(null, null, window.httpRoot);
	window.location.reload();
	});

	$('#ui-duplicate').click(function () {
	window.open('/', '_blank');
	});

	$('#thanks-to').click(function () {
	alertSystem.alert("Special thanks to", $(require('./thanks.html')));
	});
	$('#changes').click(function () {
	alertSystem.alert("Changelog", $(require('./changelog.html')));
	});

	$('#ui-history').click(function () {
	historyWidget.run(function (data) {
	local.set('gl', JSON.stringify(data.config));
	hasUIBeenReset = true;
	window.history.replaceState(null, null, window.httpRoot);
	window.location.reload();
	});

	$('#history').modal();
	});
	}

	function findConfig(defaultConfig, options) {
	var config = null;
	if (!options.embedded) {
	if (options.config) {
	config = options.config;
	} else {
	config = url.deserialiseState(window.location.hash.substr(1));
	}

	if (config) {
	// replace anything in the default config with that from the hash
	config = _.extend(defaultConfig, config);
	}
	if (!config) {
	var savedState = local.get('gl', null);
	config = savedState !== null ? JSON.parse(savedState) : defaultConfig;
	}
	} else {
	config = _.extend(defaultConfig, {
	settings: {
	showMaximiseIcon: false,
	showCloseIcon: false,
	hasHeaders: false
	}
	}, sharing.configFromEmbedded(window.location.hash.substr(1)));
	}
	return config;
	}

	function initializeResetLayoutLink() {
	var currentUrl = document.URL;
	if (currentUrl.includes("/z/")) {
	$("#ui-brokenlink").attr("href", currentUrl.replace("/z/", "/resetlayout/"));
	$("#ui-brokenlink").show();
	} else {
	$("#ui-brokenlink").hide();
	}
	}

	function initPolicies(options) {
	// Ensure old cookies are removed, to avoid user confusion

	jsCookie.remove('fs_uid');
	jsCookie.remove('cookieconsent_status');
	if (options.policies.privacy.enabled &&
	options.policies.privacy.hash !== jsCookie.get(options.policies.privacy.key)) {
	$('#privacy').trigger('click', {
	title: 'New Privacy Policy. Please take a moment to read it'
	});
	}
	simpleCooks.onDoConsent = function () {
	jsCookie.set(options.policies.cookies.key, options.policies.cookies.hash, {expires: 365});
	analytics.toggle(true);
	};
	simpleCooks.onDontConsent = function () {
	analytics.toggle(false);
	jsCookie.set(options.policies.cookies.key, '');
	};
	simpleCooks.onHide = function () {
	$(window).trigger('resize');
	};
	// '' means no consent. Hash match means consent of old. Null means new user!
	var storedCookieConsent = jsCookie.get(options.policies.cookies.key);
	if (options.policies.cookies.enabled && storedCookieConsent !== '' &&
	options.policies.cookies.hash !== storedCookieConsent) {
	simpleCooks.show();
	} else if (options.policies.cookies.enabled && hasCookieConsented(options)) {
	analytics.initialise();
	}
	}

	// eslint-disable-next-line max-statements
	function start() {
	initializeResetLayoutLink();

	var options = require('options');

	var hostnameParts = window.location.hostname.split('.');
	var subLangId = undefined;
	// Only set the subdomain lang id if it makes sense to do so
	if (hostnameParts.length > 0) {
	var subdomainPart = hostnameParts[0];
	var langBySubdomain = _.find(options.languages, function (lang) {
	return lang.id === subdomainPart \|\| lang.alias.indexOf(subdomainPart) !== -1;
	});
	if (langBySubdomain) {
	subLangId = langBySubdomain.id;
	}
	}
	var defaultLangId = subLangId;
	if (!defaultLangId) {
	if (options.languages["c++"]) {
	defaultLangId = "c++";
	} else {
	defaultLangId = _.keys(options.languages)[0];
	}
	}

	// Cookie domains are matched as a RE against the window location. This allows a flexible
	// way that works across multiple domains (e.g. godbolt.org and compiler-explorer.com).
	// We allow this to be configurable so that (for example), gcc.godbolt.org and d.godbolt.org
	// share the same cookie domain for some settings.
	var cookieDomain = new RegExp(options.cookieDomainRe).exec(window.location.hostname);
	if (cookieDomain && cookieDomain[0]) {
	cookieDomain = cookieDomain[0];
	jsCookie.defaults.domain = cookieDomain;
	}

	var defaultConfig = {
	settings: {showPopoutIcon: false},
	content: [{
	type: 'row',
	content: [
	Components.getEditor(1, defaultLangId),
	Components.getCompiler(1, defaultLangId)
	]
	}]
	};

	$(window).bind('hashchange', function () {
	// punt on hash events and just reload the page if there's a hash
	if (window.location.hash.substr(1)) window.location.reload();
	});

	// Which buttons act as a linkable popup
	var linkablePopups = ['#thanks-to', '#changes', '#cookies', '#setting', '#privacy'];
	var hashPart = linkablePopups.indexOf(window.location.hash) > -1 ? window.location.hash : null;
	if (hashPart) {
	window.location.hash = "";
	}

	var config = findConfig(defaultConfig, options);

	var root = $("#root");

	var layout;
	var hub;
	try {
	layout = new GoldenLayout(config, root);
	hub = new Hub(layout, subLangId, defaultLangId);
	} catch (e) {
	Sentry.captureException(e);

	if (document.URL.includes("/z/")) {
	document.location = document.URL.replace("/z/", "/resetlayout/");
	}

	layout = new GoldenLayout(defaultConfig, root);
	hub = new Hub(layout, subLangId, defaultLangId);
	}

	var lastState = null;
	var storedPaths = {}; // TODO maybe make this an LRU cache?

	layout.on('stateChanged', function () {
	var config = layout.toConfig();
	var stringifiedConfig = JSON.stringify(config);
	if (stringifiedConfig !== lastState) {
	if (storedPaths[config]) {
	window.history.replaceState(null, null, storedPaths[stringifiedConfig]);
	} else if (window.location.pathname !== window.httpRoot) {
	window.history.replaceState(null, null, window.httpRoot);
	// TODO: Add this state to storedPaths, but with a upper bound on the stored state count
	}
	lastState = stringifiedConfig;

	History.push(stringifiedConfig);
	}
	if (options.embedded) {
	var strippedToLast = window.location.pathname;
	strippedToLast = strippedToLast.substr(0, strippedToLast.lastIndexOf('/') + 1);
	$('a.link').attr('href', strippedToLast + '#' + url.serialiseState(config));
	}
	});

	function sizeRoot() {
	var height = $(window).height() - (root.position().top \|\| 0) - ($('#simplecook:visible').height() \|\| 0);
	root.height(height);
	layout.updateSize();
	}

	$(window)
	.resize(sizeRoot)
	.on('beforeunload', function () {
	// Only preserve state in localStorage in non-embedded mode.
	if (!options.embedded && !hasUIBeenReset) {
	local.set('gl', JSON.stringify(layout.toConfig()));
	}
	});

	new clipboard('.btn.clippy');

	var settings = setupSettings(hub);

	// We assume no consent for embed users
	if (!options.embedded) {
	setupButtons(options);
	}

	sharing.initShareButton($('#share'), layout, function (config, extra) {
	window.history.pushState(null, null, extra);
	storedPaths[JSON.stringify(config)] = extra;
	});

	function setupAdd(thing, func) {
	layout.createDragSource(thing, func);
	thing.click(function () {
	hub.addAtRoot(func());
	});
	}

	setupAdd($('#add-editor'), function () {
	return Components.getEditor();
	});
	setupAdd($('#add-diff'), function () {
	return Components.getDiff();
	});

	if (hashPart) {
	var element = $(hashPart);
	if (element) element.click();
	}
	initPolicies(options);

	// Skip some steps if using embedded mode
	if (!options.embedded) {
	// Only fetch MOTD when not embedded.
	motd.initialise(options.motdUrl, $('#motd'), subLangId, settings.enableCommunityAds,
	function (data) {
	var sendMotd = function () {
	hub.layout.eventHub.emit('motd', data);
	};
	hub.layout.eventHub.on('requestMotd', sendMotd);
	sendMotd();
	},
	function () {
	hub.layout.eventHub.emit('modifySettings', {
	enableCommunityAds: false
	});
	});

	// Don't try to update Version tree link
	var release = window.compilerExplorerOptions.gitReleaseCommit;
	var versionLink = 'https://github.com/mattgodbolt/compiler-explorer/';
	if (release) {
	versionLink += 'tree/' + release;
	}
	$('#version-tree').prop('href', versionLink);
	}

	if (options.hideEditorToolbars) {
	$('[name="editor-btn-toolbar"]').addClass("d-none");
	}

	sizeRoot();
	lastState = JSON.stringify(layout.toConfig());
	}

	$(start);