static/frontend: add cookie notification banner
Change-Id: Ie9184bb9bb9942bf51fd458f30d5524919a902c7
Reviewed-on: https://go-review.googlesource.com/c/pkgsite/+/492677
Run-TryBot: Jamal Carvalho <jamal@golang.org>
Reviewed-by: Todd Kulesza <tkulesza@google.com>
Reviewed-by: Suzy Mueller <suzmue@golang.org>
TryBot-Result: kokoro <noreply+kokoro@google.com>
diff --git a/static/frontend/frontend.css b/static/frontend/frontend.css
index 4732bb0..88f0f78 100644
--- a/static/frontend/frontend.css
+++ b/static/frontend/frontend.css
@@ -6,3 +6,23 @@
@import url('../shared/shared.css');
@import url('_modals.css');
+
+.Cookie-notice {
+ align-items: center;
+ background-color: var(--color-background);
+ border-top: var(--border);
+ bottom: 0;
+ color: var(--color-text);
+ display: none;
+ gap: 1rem;
+ justify-content: center;
+ left: 0;
+ padding: 1rem;
+ position: fixed;
+ right: 0;
+ z-index: 100;
+}
+
+.Cookie-notice--visible {
+ display: flex;
+}
diff --git a/static/frontend/frontend.js b/static/frontend/frontend.js
index c2957b6..fc3fb73 100644
--- a/static/frontend/frontend.js
+++ b/static/frontend/frontend.js
@@ -1,4 +1,4 @@
-function P(){let n=document.querySelector(".js-header");document.querySelectorAll(".js-desktop-menu-hover").forEach(c=>{c.addEventListener("mouseenter",a=>{let u=a.target,s=document.querySelector(".forced-open");s&&s!==c&&(s.blur(),s.classList.remove("forced-open")),u.focus(),u.blur()});let r=a=>{var d,h;let u=a.target,s=u==null?void 0:u.classList.contains("forced-open"),t=a.currentTarget;s?(t.removeEventListener("blur",()=>t.classList.remove("forced-open")),t.classList.remove("forced-open"),t.classList.add("forced-closed"),t.blur(),(d=t==null?void 0:t.parentNode)==null||d.addEventListener("mouseout",()=>{t.classList.remove("forced-closed")})):(t.classList.remove("forced-closed"),t.classList.add("forced-open"),t.focus(),t.addEventListener("blur",()=>t.classList.remove("forced-open")),(h=t==null?void 0:t.parentNode)==null||h.removeEventListener("mouseout",()=>{t.classList.remove("forced-closed")}))};c.addEventListener("click",r)}),document.querySelectorAll(".Header-menuItem").forEach(c=>{c.addEventListener("keyup",r=>{var u;let a=r;a.key==="Escape"&&((u=a.target)==null||u.blur())})});let i=document.querySelectorAll(".js-headerMenuButton");i.forEach(c=>{c.addEventListener("click",r=>{r.preventDefault();let a=n==null?void 0:n.classList.contains("is-active");a?g(n):w(n),c.setAttribute("aria-expanded",a?"true":"false")})});let l=document.querySelector(".js-scrim");l==null||l.addEventListener("click",c=>{c.preventDefault(),document.querySelectorAll(".go-NavigationDrawer-submenuItem.is-active").forEach(a=>g(a)),g(n),i.forEach(a=>{a.setAttribute("aria-expanded",n!=null&&n.classList.contains("is-active")?"true":"false")})});let m=c=>{if(!c)return[];let r=Array.from(c.querySelectorAll(":scope > .go-NavigationDrawer-nav > .go-NavigationDrawer-list > .go-NavigationDrawer-listItem > a, :scope > .go-NavigationDrawer-nav > .go-NavigationDrawer-list > .go-NavigationDrawer-listItem > .go-Header-socialIcons > a")||[]),a=c.querySelector(".go-NavigationDrawer-header > a");return a&&r.unshift(a),r},p=c=>{if(c)return c.classList.contains("go-NavigationDrawer-submenuItem")},g=c=>{var u,s;if(!c)return;let r=m(c);c.classList.remove("is-active");let a=(u=c.closest(".go-NavigationDrawer-listItem"))==null?void 0:u.querySelector(":scope > a");a==null||a.focus(),r==null||r.forEach(t=>t==null?void 0:t.setAttribute("tabindex","-1")),r&&r[0]&&(r[0].removeEventListener("keydown",L(c)),r[r.length-1].removeEventListener("keydown",b(c))),c===n&&i&&((s=i[0])==null||s.focus())},w=c=>{let r=m(c);c.classList.add("is-active"),r.forEach(a=>a.setAttribute("tabindex","0")),r[0].focus(),r[0].addEventListener("keydown",L(c)),r[r.length-1].addEventListener("keydown",b(c))},L=c=>r=>{r.key==="Tab"&&r.shiftKey&&(r.preventDefault(),g(c))},b=c=>r=>{r.key==="Tab"&&!r.shiftKey&&(r.preventDefault(),g(c))},M=c=>{var u;let r=p(c),a=m(c);c.addEventListener("keyup",s=>{s.key==="Escape"&&g(c)}),a.forEach(s=>{let t=s.closest("li");if(t&&t.classList.contains("js-mobile-subnav-trigger")){let d=t.querySelector(".go-NavigationDrawer-submenuItem");s.addEventListener("click",()=>{w(d)})}}),r&&(g(c),(u=c==null?void 0:c.querySelector(".go-NavigationDrawer-header"))==null||u.addEventListener("click",s=>{s.preventDefault(),g(c)}))};document.querySelectorAll(".go-NavigationDrawer").forEach(c=>M(c)),g(n)}function U(){let n=document.querySelector(".js-searchForm"),e=document.querySelector(".js-expandSearch"),o=n==null?void 0:n.querySelector("input"),i=document.querySelector(".js-headerLogo"),l=document.querySelector(".js-headerMenuButton");e==null||e.addEventListener("click",()=>{n==null||n.classList.add("go-SearchForm--expanded"),i==null||i.classList.add("go-Header-logo--hidden"),l==null||l.classList.add("go-Header-navOpen--hidden"),o==null||o.focus()}),document==null||document.addEventListener("click",m=>{n!=null&&n.contains(m.target)||(n==null||n.classList.remove("go-SearchForm--expanded"),i==null||i.classList.remove("go-Header-logo--hidden"),l==null||l.classList.remove("go-Header-navOpen--hidden"))})}var k=class{constructor(e){this.el=e;this.setActive=e=>{this.activeIndex=(e+this.slides.length)%this.slides.length,this.el.setAttribute("data-slide-index",String(this.activeIndex));for(let o of this.dots)o.classList.remove("go-Carousel-dot--active");this.dots[this.activeIndex].classList.add("go-Carousel-dot--active");for(let o of this.slides)o.setAttribute("aria-hidden","true");this.slides[this.activeIndex].removeAttribute("aria-hidden"),this.liveRegion.textContent="Slide "+(this.activeIndex+1)+" of "+this.slides.length};var o;this.slides=Array.from(e.querySelectorAll(".go-Carousel-slide")),this.dots=[],this.liveRegion=document.createElement("div"),this.activeIndex=Number((o=e.getAttribute("data-slide-index"))!=null?o:0),this.initSlides(),this.initArrows(),this.initDots(),this.initLiveRegion()}initSlides(){for(let[e,o]of this.slides.entries())e!==this.activeIndex&&o.setAttribute("aria-hidden","true")}initArrows(){var o,i;let e=document.createElement("ul");e.classList.add("go-Carousel-arrows"),e.innerHTML=`
+function P(){let t=document.querySelector(".js-header");document.querySelectorAll(".js-desktop-menu-hover").forEach(c=>{c.addEventListener("mouseenter",a=>{let u=a.target,s=document.querySelector(".forced-open");s&&s!==c&&(s.blur(),s.classList.remove("forced-open")),u.focus(),u.blur()});let r=a=>{var d,h;let u=a.target,s=u==null?void 0:u.classList.contains("forced-open"),n=a.currentTarget;s?(n.removeEventListener("blur",()=>n.classList.remove("forced-open")),n.classList.remove("forced-open"),n.classList.add("forced-closed"),n.blur(),(d=n==null?void 0:n.parentNode)==null||d.addEventListener("mouseout",()=>{n.classList.remove("forced-closed")})):(n.classList.remove("forced-closed"),n.classList.add("forced-open"),n.focus(),n.addEventListener("blur",()=>n.classList.remove("forced-open")),(h=n==null?void 0:n.parentNode)==null||h.removeEventListener("mouseout",()=>{n.classList.remove("forced-closed")}))};c.addEventListener("click",r)}),document.querySelectorAll(".Header-menuItem").forEach(c=>{c.addEventListener("keyup",r=>{var u;let a=r;a.key==="Escape"&&((u=a.target)==null||u.blur())})});let i=document.querySelectorAll(".js-headerMenuButton");i.forEach(c=>{c.addEventListener("click",r=>{r.preventDefault();let a=t==null?void 0:t.classList.contains("is-active");a?g(t):w(t),c.setAttribute("aria-expanded",a?"true":"false")})});let l=document.querySelector(".js-scrim");l==null||l.addEventListener("click",c=>{c.preventDefault(),document.querySelectorAll(".go-NavigationDrawer-submenuItem.is-active").forEach(a=>g(a)),g(t),i.forEach(a=>{a.setAttribute("aria-expanded",t!=null&&t.classList.contains("is-active")?"true":"false")})});let m=c=>{if(!c)return[];let r=Array.from(c.querySelectorAll(":scope > .go-NavigationDrawer-nav > .go-NavigationDrawer-list > .go-NavigationDrawer-listItem > a, :scope > .go-NavigationDrawer-nav > .go-NavigationDrawer-list > .go-NavigationDrawer-listItem > .go-Header-socialIcons > a")||[]),a=c.querySelector(".go-NavigationDrawer-header > a");return a&&r.unshift(a),r},p=c=>{if(c)return c.classList.contains("go-NavigationDrawer-submenuItem")},g=c=>{var u,s;if(!c)return;let r=m(c);c.classList.remove("is-active");let a=(u=c.closest(".go-NavigationDrawer-listItem"))==null?void 0:u.querySelector(":scope > a");a==null||a.focus(),r==null||r.forEach(n=>n==null?void 0:n.setAttribute("tabindex","-1")),r&&r[0]&&(r[0].removeEventListener("keydown",L(c)),r[r.length-1].removeEventListener("keydown",b(c))),c===t&&i&&((s=i[0])==null||s.focus())},w=c=>{let r=m(c);c.classList.add("is-active"),r.forEach(a=>a.setAttribute("tabindex","0")),r[0].focus(),r[0].addEventListener("keydown",L(c)),r[r.length-1].addEventListener("keydown",b(c))},L=c=>r=>{r.key==="Tab"&&r.shiftKey&&(r.preventDefault(),g(c))},b=c=>r=>{r.key==="Tab"&&!r.shiftKey&&(r.preventDefault(),g(c))},M=c=>{var 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this.slides)o.setAttribute("aria-hidden","true");this.slides[this.activeIndex].removeAttribute("aria-hidden"),this.liveRegion.textContent="Slide "+(this.activeIndex+1)+" of "+this.slides.length};var o;this.slides=Array.from(e.querySelectorAll(".go-Carousel-slide")),this.dots=[],this.liveRegion=document.createElement("div"),this.activeIndex=Number((o=e.getAttribute("data-slide-index"))!=null?o:0),this.initSlides(),this.initArrows(),this.initDots(),this.initLiveRegion()}initSlides(){for(let[e,o]of this.slides.entries())e!==this.activeIndex&&o.setAttribute("aria-hidden","true")}initArrows(){var o,i;let e=document.createElement("ul");e.classList.add("go-Carousel-arrows"),e.innerHTML=`
<li>
<button class="go-Carousel-prevSlide" aria-label="Go to previous slide">
<img class="go-Icon" height="24" width="24" src="/static/shared/icon/arrow_left_gm_grey_24dp.svg" alt="">
@@ -9,7 +9,7 @@
<img class="go-Icon" height="24" width="24" src="/static/shared/icon/arrow_right_gm_grey_24dp.svg" alt="">
</button>
</li>
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t="dark",e=document.documentElement.getAttribute("data-theme");e==="dark"?t="light":e==="light"&&(t="auto");let o="";location.hostname.endsWith("go.dev")&&(o="domain=.go.dev;"),document.documentElement.setAttribute("data-theme",t),document.cookie=`prefers-color-scheme=${t};${o}path=/;max-age=31536000;`}function Z(){if(!document.cookie.match(/cookie-consent=true/)){let e=document.querySelector(".js-cookieNotice"),o=e==null?void 0:e.querySelector("button");e==null||e.classList.add("Cookie-notice--visible"),o==null||o.addEventListener("click",()=>{let i="";location.hostname.endsWith("go.dev")&&(i="domain=.go.dev;"),document.cookie=`cookie-consent=true;${i}path=/;max-age=31536000`,e==null||e.remove()})}}
/**
* @license
* Copyright 2021 The Go Authors. All rights reserved.
diff --git a/static/frontend/frontend.js.map b/static/frontend/frontend.js.map
index 3a51c4d..7f6fd70 100644
--- a/static/frontend/frontend.js.map
+++ b/static/frontend/frontend.js.map
@@ -1,7 +1,7 @@
{
"version": 3,
"sources": ["../shared/header/header.ts", "../shared/carousel/carousel.ts", "../shared/clipboard/clipboard.ts", "../shared/tooltip/tooltip.ts", "../shared/outline/select.ts", "../shared/modal/modal.ts", "../shared/analytics/analytics.ts", "../shared/keyboard/keyboard.ts", "../shared/jump/jump.ts", "about/index.ts", "frontend.ts"],
- "sourcesContent": ["/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nexport function registerHeaderListeners(): void {\n const header = document.querySelector('.js-header') as HTMLElement;\n\n // Desktop menu hover state\n const menuItemHovers = document.querySelectorAll('.js-desktop-menu-hover');\n menuItemHovers.forEach(menuItemHover => {\n // when user clicks on the dropdown menu item on desktop or mobile,\n // force the menu to stay open until the user clicks off of it.\n menuItemHover.addEventListener('mouseenter', e => {\n const target = e.target as HTMLElement;\n const forced = document.querySelector('.forced-open') as HTMLElement;\n if (forced && forced !== menuItemHover) {\n forced.blur();\n forced.classList.remove('forced-open');\n }\n // prevents menus that have been tabbed into from staying open\n // when you hover over another menu\n target.focus();\n target.blur();\n });\n\n const toggleForcedOpen = (e: Event) => {\n const target = e.target as HTMLElement;\n const isForced = target?.classList.contains('forced-open');\n const currentTarget = e.currentTarget as HTMLElement;\n if (isForced) {\n currentTarget.removeEventListener('blur', () =>\n currentTarget.classList.remove('forced-open')\n );\n currentTarget.classList.remove('forced-open');\n currentTarget.classList.add('forced-closed');\n currentTarget.blur();\n currentTarget?.parentNode?.addEventListener('mouseout', () => {\n currentTarget.classList.remove('forced-closed');\n });\n } else {\n currentTarget.classList.remove('forced-closed');\n currentTarget.classList.add('forced-open');\n currentTarget.focus();\n currentTarget.addEventListener('blur', () => currentTarget.classList.remove('forced-open'));\n currentTarget?.parentNode?.removeEventListener('mouseout', () => {\n currentTarget.classList.remove('forced-closed');\n });\n }\n };\n menuItemHover.addEventListener('click', toggleForcedOpen);\n });\n\n // ensure desktop submenus are closed when esc is pressed\n const headerItems = document.querySelectorAll('.Header-menuItem');\n headerItems.forEach(header => {\n header.addEventListener('keyup', e => {\n const event = e as KeyboardEvent;\n if (event.key === 'Escape') {\n (event.target as HTMLElement)?.blur();\n }\n });\n });\n\n // Mobile menu subnav menus\n const headerbuttons = document.querySelectorAll('.js-headerMenuButton');\n headerbuttons.forEach(button => {\n button.addEventListener('click', e => {\n e.preventDefault();\n const isActive = header?.classList.contains('is-active');\n if (isActive) {\n handleNavigationDrawerInactive(header);\n } else {\n handleNavigationDrawerActive(header);\n }\n button.setAttribute('aria-expanded', isActive ? 'true' : 'false');\n });\n });\n\n const scrim = document.querySelector('.js-scrim');\n scrim?.addEventListener('click', e => {\n e.preventDefault();\n\n // find any active submenus and close them\n const activeSubnavs = document.querySelectorAll('.go-NavigationDrawer-submenuItem.is-active');\n activeSubnavs.forEach(subnav => handleNavigationDrawerInactive(subnav as HTMLElement));\n\n handleNavigationDrawerInactive(header);\n\n headerbuttons.forEach(button => {\n button.setAttribute(\n 'aria-expanded',\n header?.classList.contains('is-active') ? 'true' : 'false'\n );\n });\n });\n\n const getNavigationDrawerMenuItems = (navigationDrawer: HTMLElement): HTMLElement[] => {\n if (!navigationDrawer) {\n return [];\n }\n\n const menuItems = Array.from(\n navigationDrawer.querySelectorAll(\n ':scope > .go-NavigationDrawer-nav > .go-NavigationDrawer-list > .go-NavigationDrawer-listItem > a, :scope > .go-NavigationDrawer-nav > .go-NavigationDrawer-list > .go-NavigationDrawer-listItem > .go-Header-socialIcons > a'\n ) || []\n );\n\n const anchorEl = navigationDrawer.querySelector('.go-NavigationDrawer-header > a');\n if (anchorEl) {\n menuItems.unshift(anchorEl);\n }\n return menuItems as HTMLElement[];\n };\n\n const getNavigationDrawerIsSubnav = (navigationDrawer: HTMLElement) => {\n if (!navigationDrawer) {\n return;\n }\n return navigationDrawer.classList.contains('go-NavigationDrawer-submenuItem');\n };\n\n const handleNavigationDrawerInactive = (navigationDrawer: HTMLElement) => {\n if (!navigationDrawer) {\n return;\n }\n const menuItems = getNavigationDrawerMenuItems(navigationDrawer);\n navigationDrawer.classList.remove('is-active');\n const parentMenuItem = navigationDrawer\n .closest('.go-NavigationDrawer-listItem')\n ?.querySelector(':scope > a') as HTMLElement;\n parentMenuItem?.focus();\n menuItems?.forEach(item => item?.setAttribute('tabindex', '-1'));\n if (menuItems && menuItems[0]) {\n menuItems[0].removeEventListener('keydown', handleMenuItemTabLeftFactory(navigationDrawer));\n menuItems[menuItems.length - 1].removeEventListener(\n 'keydown',\n handleMenuItemTabRightFactory(navigationDrawer)\n );\n }\n\n if (navigationDrawer === header) {\n headerbuttons && (headerbuttons[0] as HTMLElement)?.focus();\n }\n };\n\n const handleNavigationDrawerActive = (navigationDrawer: HTMLElement) => {\n const menuItems = getNavigationDrawerMenuItems(navigationDrawer);\n\n navigationDrawer.classList.add('is-active');\n menuItems.forEach(item => item.setAttribute('tabindex', '0'));\n menuItems[0].focus();\n\n menuItems[0].addEventListener('keydown', handleMenuItemTabLeftFactory(navigationDrawer));\n menuItems[menuItems.length - 1].addEventListener(\n 'keydown',\n handleMenuItemTabRightFactory(navigationDrawer)\n );\n };\n\n const handleMenuItemTabLeftFactory = (navigationDrawer: HTMLElement) => {\n return (e: KeyboardEvent) => {\n if (e.key === 'Tab' && e.shiftKey) {\n e.preventDefault();\n handleNavigationDrawerInactive(navigationDrawer);\n }\n };\n };\n\n const handleMenuItemTabRightFactory = (navigationDrawer: HTMLElement) => {\n return (e: KeyboardEvent) => {\n if (e.key === 'Tab' && !e.shiftKey) {\n e.preventDefault();\n handleNavigationDrawerInactive(navigationDrawer);\n }\n };\n };\n\n const prepMobileNavigationDrawer = (navigationDrawer: HTMLElement) => {\n const isSubnav = getNavigationDrawerIsSubnav(navigationDrawer);\n const menuItems = getNavigationDrawerMenuItems(navigationDrawer);\n navigationDrawer.addEventListener('keyup', e => {\n if (e.key === 'Escape') {\n handleNavigationDrawerInactive(navigationDrawer);\n }\n });\n\n menuItems.forEach(item => {\n const parentLi = item.closest('li');\n if (parentLi && parentLi.classList.contains('js-mobile-subnav-trigger')) {\n const submenu = parentLi.querySelector('.go-NavigationDrawer-submenuItem') as HTMLElement;\n item.addEventListener('click', () => {\n handleNavigationDrawerActive(submenu);\n });\n }\n });\n if (isSubnav) {\n handleNavigationDrawerInactive(navigationDrawer);\n navigationDrawer\n ?.querySelector('.go-NavigationDrawer-header')\n ?.addEventListener('click', e => {\n e.preventDefault();\n handleNavigationDrawerInactive(navigationDrawer);\n });\n }\n };\n\n document\n .querySelectorAll('.go-NavigationDrawer')\n .forEach(drawer => prepMobileNavigationDrawer(drawer as HTMLElement));\n\n handleNavigationDrawerInactive(header);\n}\n\nexport function registerSearchFormListeners(): void {\n const searchForm = document.querySelector('.js-searchForm');\n const expandSearch = document.querySelector('.js-expandSearch');\n const input = searchForm?.querySelector('input');\n const headerLogo = document.querySelector('.js-headerLogo');\n const menuButton = document.querySelector('.js-headerMenuButton');\n expandSearch?.addEventListener('click', () => {\n searchForm?.classList.add('go-SearchForm--expanded');\n headerLogo?.classList.add('go-Header-logo--hidden');\n menuButton?.classList.add('go-Header-navOpen--hidden');\n input?.focus();\n });\n document?.addEventListener('click', e => {\n if (!searchForm?.contains(e.target as Node)) {\n searchForm?.classList.remove('go-SearchForm--expanded');\n headerLogo?.classList.remove('go-Header-logo--hidden');\n menuButton?.classList.remove('go-Header-navOpen--hidden');\n }\n });\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * Carousel Controller adds event listeners, accessibility enhancements, and\n * control elements to a carousel component.\n */\nexport class CarouselController {\n /**\n * slides is a collection of slides in the carousel.\n */\n private slides: HTMLLIElement[];\n /**\n * dots is a collection of dot navigation controls, added to the carousel\n * by this controller.\n */\n private dots: HTMLElement[];\n /**\n * liveRegion is a visually hidden element that notifies assitive devices\n * of visual changes to the carousel. They are added to the carousel by\n * this controller.\n */\n private liveRegion: HTMLElement;\n /**\n * activeIndex is the 0-index of the currently active slide.\n */\n private activeIndex: number;\n\n constructor(private el: HTMLElement) {\n this.slides = Array.from(el.querySelectorAll('.go-Carousel-slide'));\n this.dots = [];\n this.liveRegion = document.createElement('div');\n this.activeIndex = Number(el.getAttribute('data-slide-index') ?? 0);\n\n this.initSlides();\n this.initArrows();\n this.initDots();\n this.initLiveRegion();\n }\n\n private initSlides() {\n for (const [i, v] of this.slides.entries()) {\n if (i === this.activeIndex) continue;\n v.setAttribute('aria-hidden', 'true');\n }\n }\n\n private initArrows() {\n const arrows = document.createElement('ul');\n arrows.classList.add('go-Carousel-arrows');\n arrows.innerHTML = `\n <li>\n <button class=\"go-Carousel-prevSlide\" aria-label=\"Go to previous slide\">\n <img class=\"go-Icon\" height=\"24\" width=\"24\" src=\"/static/shared/icon/arrow_left_gm_grey_24dp.svg\" alt=\"\">\n </button>\n </li>\n <li>\n <button class=\"go-Carousel-nextSlide\" aria-label=\"Go to next slide\">\n <img class=\"go-Icon\" height=\"24\" width=\"24\" src=\"/static/shared/icon/arrow_right_gm_grey_24dp.svg\" alt=\"\">\n </button>\n </li>\n `;\n arrows\n .querySelector('.go-Carousel-prevSlide')\n ?.addEventListener('click', () => this.setActive(this.activeIndex - 1));\n arrows\n .querySelector('.go-Carousel-nextSlide')\n ?.addEventListener('click', () => this.setActive(this.activeIndex + 1));\n this.el.append(arrows);\n }\n\n private initDots() {\n const dots = document.createElement('ul');\n dots.classList.add('go-Carousel-dots');\n for (let i = 0; i < this.slides.length; i++) {\n const li = document.createElement('li');\n const button = document.createElement('button');\n button.classList.add('go-Carousel-dot');\n if (i === this.activeIndex) {\n button.classList.add('go-Carousel-dot--active');\n }\n button.innerHTML = `<span class=\"go-Carousel-obscured\">Slide ${i + 1}</span>`;\n button.addEventListener('click', () => this.setActive(i));\n li.append(button);\n dots.append(li);\n this.dots.push(button);\n }\n this.el.append(dots);\n }\n\n private initLiveRegion() {\n this.liveRegion.setAttribute('aria-live', 'polite');\n this.liveRegion.setAttribute('aria-atomic', 'true');\n this.liveRegion.setAttribute('class', 'go-Carousel-obscured');\n this.liveRegion.textContent = `Slide ${this.activeIndex + 1} of ${this.slides.length}`;\n this.el.appendChild(this.liveRegion);\n }\n\n private setActive = (index: number) => {\n this.activeIndex = (index + this.slides.length) % this.slides.length;\n this.el.setAttribute('data-slide-index', String(this.activeIndex));\n for (const d of this.dots) {\n d.classList.remove('go-Carousel-dot--active');\n }\n this.dots[this.activeIndex].classList.add('go-Carousel-dot--active');\n for (const s of this.slides) {\n s.setAttribute('aria-hidden', 'true');\n }\n this.slides[this.activeIndex].removeAttribute('aria-hidden');\n this.liveRegion.textContent = 'Slide ' + (this.activeIndex + 1) + ' of ' + this.slides.length;\n };\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * This class decorates an element to copy arbitrary data attached via a data-\n * attribute to the clipboard.\n */\nexport class ClipboardController {\n /**\n * The data to be copied to the clipboard.\n */\n private data: string;\n\n /**\n * @param el The element that will trigger copying text to the clipboard. The text is\n * expected to be within its data-to-copy attribute.\n */\n constructor(private el: HTMLButtonElement) {\n this.data = el.dataset['toCopy'] ?? el.innerText;\n // if data-to-copy is empty and the button is part of an input group\n // capture the value of the input.\n if (!this.data && el.parentElement?.classList.contains('go-InputGroup')) {\n this.data = (this.data || el.parentElement?.querySelector('input')?.value) ?? '';\n }\n el.addEventListener('click', e => this.handleCopyClick(e));\n }\n\n /**\n * Handles when the primary element is clicked.\n */\n handleCopyClick(e: MouseEvent): void {\n e.preventDefault();\n const TOOLTIP_SHOW_DURATION_MS = 1000;\n\n // This API is not available on iOS.\n if (!navigator.clipboard) {\n this.showTooltipText('Unable to copy', TOOLTIP_SHOW_DURATION_MS);\n return;\n }\n navigator.clipboard\n .writeText(this.data)\n .then(() => {\n this.showTooltipText('Copied!', TOOLTIP_SHOW_DURATION_MS);\n })\n .catch(() => {\n this.showTooltipText('Unable to copy', TOOLTIP_SHOW_DURATION_MS);\n });\n }\n\n /**\n * Shows the given text in a tooltip for a specified amount of time, in milliseconds.\n */\n showTooltipText(text: string, durationMs: number): void {\n this.el.setAttribute('data-tooltip', text);\n setTimeout(() => this.el.setAttribute('data-tooltip', ''), durationMs);\n }\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * ToolTipController handles closing tooltips on external clicks.\n */\nexport class ToolTipController {\n constructor(private el: HTMLDetailsElement) {\n document.addEventListener('click', e => {\n const insideTooltip = this.el.contains(e.target as Element);\n if (!insideTooltip) {\n this.el.removeAttribute('open');\n }\n });\n }\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nimport { TreeNavController } from './tree.js';\n\nexport class SelectNavController {\n constructor(private el: Element) {\n this.el.addEventListener('change', e => {\n const target = e.target as HTMLSelectElement;\n let href = target.value;\n if (!target.value.startsWith('/')) {\n href = '/' + href;\n }\n window.location.href = href;\n });\n }\n}\n\nexport function makeSelectNav(tree: TreeNavController): HTMLLabelElement {\n const label = document.createElement('label');\n label.classList.add('go-Label');\n label.setAttribute('aria-label', 'Menu');\n const select = document.createElement('select');\n select.classList.add('go-Select', 'js-selectNav');\n label.appendChild(select);\n const outline = document.createElement('optgroup');\n outline.label = 'Outline';\n select.appendChild(outline);\n const groupMap: Record<string, HTMLOptGroupElement> = {};\n let group: HTMLOptGroupElement;\n for (const t of tree.treeitems) {\n if (Number(t.depth) > 4) continue;\n if (t.groupTreeitem) {\n group = groupMap[t.groupTreeitem.label];\n if (!group) {\n group = groupMap[t.groupTreeitem.label] = document.createElement('optgroup');\n group.label = t.groupTreeitem.label;\n select.appendChild(group);\n }\n } else {\n group = outline;\n }\n const o = document.createElement('option');\n o.label = t.label;\n o.textContent = t.label;\n o.value = (t.el as HTMLAnchorElement).href.replace(window.location.origin, '').replace('/', '');\n group.appendChild(o);\n }\n tree.addObserver(t => {\n const hash = (t.el as HTMLAnchorElement).hash;\n const value = select.querySelector<HTMLOptionElement>(`[value$=\"${hash}\"]`)?.value;\n if (value) {\n select.value = value;\n }\n }, 50);\n return label;\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\ninterface Window {\n dialogPolyfill?: {\n registerDialog: (el: HTMLDialogElement) => void;\n };\n}\n\ndeclare const window: Window;\n\n/**\n * ModalController registers a dialog element with the polyfill if\n * necessary for the current browser, add adds event listeners to\n * close and open modals.\n */\nexport class ModalController {\n constructor(private el: HTMLDialogElement) {\n if (window.dialogPolyfill) {\n window.dialogPolyfill.registerDialog(el);\n }\n this.init();\n }\n\n init() {\n const button = document.querySelector<HTMLButtonElement>(`[aria-controls=\"${this.el.id}\"]`);\n if (button) {\n button.addEventListener('click', () => {\n if (this.el.showModal) {\n this.el.showModal();\n } else {\n this.el.setAttribute('opened', 'true');\n }\n this.el.querySelector('input')?.focus();\n });\n }\n for (const btn of this.el.querySelectorAll<HTMLButtonElement>('[data-modal-close]')) {\n btn.addEventListener('click', () => {\n if (this.el.close) {\n this.el.close();\n } else {\n this.el.removeAttribute('opened');\n }\n });\n }\n }\n}\n", "interface TagManagerEvent {\n /**\n * event is the name of the event, used to filter events in\n * Google Analytics.\n */\n event: string;\n\n /**\n * event_category is a name that you supply as a way to group objects\n * that to analyze. Typically, you will use the same category name\n * multiple times over related UI elements (buttons, links, etc).\n */\n event_category?: string;\n\n /**\n * event_action is used to name the type of event or interaction you\n * want to measure for a particular web object. For example, with a\n * single \"form\" category, you can analyze a number of specific events\n * with this parameter, such as: form entered, form submitted.\n */\n event_action?: string;\n\n /**\n * event_label provide additional information for events that you want\n * to analyze, such as the text label of a link.\n */\n event_label?: string;\n\n /**\n * gtm.start is used to initialize Google Tag Manager.\n */\n 'gtm.start'?: number;\n}\n\n// eslint-disable-next-line @typescript-eslint/no-unused-vars\ndeclare global {\n interface Window {\n dataLayer?: (TagManagerEvent | VoidFunction)[];\n ga?: unknown;\n }\n}\n\n/**\n * track sends events to Google Tag Manager.\n */\nexport function track(\n event: string | TagManagerEvent,\n category?: string,\n action?: string,\n label?: string\n): void {\n window.dataLayer ??= [];\n if (typeof event === 'string') {\n window.dataLayer.push({\n event,\n event_category: category,\n event_action: action,\n event_label: label,\n });\n } else {\n window.dataLayer.push(event);\n }\n}\n\n/**\n * func adds functions to run sequentionally after\n * Google Tag Manager is ready.\n */\nexport function func(fn: () => void): void {\n window.dataLayer ??= [];\n window.dataLayer.push(fn);\n}\n", "/*!\n * @license\n * Copyright 2019-2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nimport { track } from '../analytics/analytics';\n\n/**\n * Options are keyhandler callback options.\n */\ninterface Options {\n /**\n * target is the element the key event should filter on. The\n * default target is the document.\n */\n target?: Element;\n\n /**\n * withMeta specifies if the event callback should fire when\n * the key is pressed with a meta key (ctrl, alt, etc). By\n * default meta keypresses are ignored.\n */\n withMeta?: boolean;\n}\n\n/**\n * KeyHandler is the config for a keyboard event callback.\n */\ninterface KeyHandler extends Options {\n description: string;\n callback: (e: KeyboardEvent) => void;\n}\n\n/**\n * KeyboardController controls event callbacks for sitewide\n * keyboard events. Multiple callbacks can be registered for\n * a single key and by default the controller ignores events\n * for text input targets.\n */\nclass KeyboardController {\n handlers: Record<string, Set<KeyHandler>>;\n\n constructor() {\n this.handlers = {};\n document.addEventListener('keydown', e => this.handleKeyPress(e));\n }\n\n /**\n * on registers keyboard event callbacks.\n * @param key the key to register.\n * @param description name of the event.\n * @param callback event callback.\n * @param options set target and withMeta options to override the default behaviors.\n */\n on(key: string, description: string, callback: (e: KeyboardEvent) => void, options?: Options) {\n this.handlers[key] ??= new Set();\n this.handlers[key].add({ description, callback, ...options });\n return this;\n }\n\n private handleKeyPress(e: KeyboardEvent) {\n for (const handler of this.handlers[e.key.toLowerCase()] ?? new Set()) {\n if (handler.target && handler.target !== e.target) {\n return;\n }\n const t = e.target as HTMLElement | null;\n if (\n !handler.target &&\n (t?.tagName === 'INPUT' || t?.tagName === 'SELECT' || t?.tagName === 'TEXTAREA')\n ) {\n return;\n }\n if (t?.isContentEditable) {\n return;\n }\n if (\n (handler.withMeta && !(e.ctrlKey || e.metaKey)) ||\n (!handler.withMeta && (e.ctrlKey || e.metaKey))\n ) {\n return;\n }\n track('keypress', 'hotkeys', `${e.key} pressed`, handler.description);\n handler.callback(e);\n }\n }\n}\n\nexport const keyboard = new KeyboardController();\n", "/*!\n * @license\n * Copyright 2019-2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n// This file implements the behavior of the \"jump to symbol\" dialog for Go\n// package documentation, as well as the simple dialog that displays keyboard\n// shortcuts.\n\n// The DOM for the dialogs is at the bottom of static/frontend/unit/main/_modals.tmpl.\n// The CSS is in static/frontend/unit/main/_modals.css.\n\n// The dialog is activated by pressing the 'f' key. It presents a list\n// (#JumpDialog-list) of all Go symbols displayed in the documentation.\n// Entering text in the dialog's text box (#JumpDialog-filter) restricts the\n// list to symbols containing the text. Clicking on an symbol jumps to\n// its documentation.\n\n// This code is based on\n// https://go.googlesource.com/gddo/+/refs/heads/master/gddo-server/assets/site.js.\n// It was modified to remove the dependence on jquery and bootstrap.\n\nimport { keyboard } from '../keyboard/keyboard';\n\nexport function initModals(): void {\n const jumpDialog = document.querySelector<HTMLDialogElement>('.JumpDialog');\n const jumpBody = jumpDialog?.querySelector<HTMLDivElement>('.JumpDialog-body');\n const jumpList = jumpDialog?.querySelector<HTMLDivElement>('.JumpDialog-list');\n const jumpFilter = jumpDialog?.querySelector<HTMLInputElement>('.JumpDialog-input');\n const doc = document.querySelector<HTMLDivElement>('.js-documentation');\n\n interface JumpListItem {\n link: HTMLAnchorElement;\n name: string;\n kind: string;\n lower: string;\n }\n\n let jumpListItems: JumpListItem[] | undefined; // All the symbols in the doc; computed only once.\n\n // collectJumpListItems returns a list of items, one for each symbol in the\n // documentation on the current page.\n //\n // It uses the data-kind attribute generated in the documentation HTML to find\n // the symbols and their id attributes.\n //\n // If there are no data-kind attributes, then we have older doc; fall back to\n // a less precise method.\n function collectJumpListItems() {\n const items = [];\n if (!doc) return;\n for (const el of doc.querySelectorAll('[data-kind]')) {\n items.push(newJumpListItem(el));\n }\n\n // Clicking on any of the links closes the dialog.\n for (const item of items) {\n item.link.addEventListener('click', function () {\n jumpDialog?.close();\n });\n }\n // Sort case-insensitively by symbol name.\n items.sort(function (a, b) {\n return a.lower.localeCompare(b.lower);\n });\n return items;\n }\n\n // newJumpListItem creates a new item for the DOM element el.\n // An item is an object with:\n // - name: the element's id (which is the symbol name)\n // - kind: the element's kind (function, variable, etc.),\n // - link: a link ('a' tag) to the element\n // - lower: the name in lower case, just for sorting\n function newJumpListItem(el: Element): JumpListItem {\n const a = document.createElement('a');\n const name = el.getAttribute('id');\n a.setAttribute('href', '#' + name);\n a.setAttribute('tabindex', '-1');\n a.setAttribute('data-gtmc', 'jump to link');\n const kind = el.getAttribute('data-kind');\n return {\n link: a,\n name: name ?? '',\n kind: kind ?? '',\n lower: name?.toLowerCase() ?? '', // for sorting\n };\n }\n\n let lastFilterValue: string; // The last contents of the filter text box.\n let activeJumpItem = -1; // The index of the currently active item in the list.\n\n // updateJumpList sets the elements of the dialog list to\n // everything whose name contains filter.\n function updateJumpList(filter: string) {\n lastFilterValue = filter;\n if (!jumpListItems) {\n jumpListItems = collectJumpListItems();\n }\n setActiveJumpItem(-1);\n\n // Remove all children from list.\n while (jumpList?.firstChild) {\n jumpList.firstChild.remove();\n }\n\n if (filter) {\n // A filter is set. We treat the filter as a substring that can appear in\n // an item name (case insensitive), and find the following matches - in\n // order of priority:\n //\n // 1. Exact matches (the filter matches the item's name exactly)\n // 2. Prefix matches (the item's name starts with filter)\n // 3. Infix matches (the filter is a substring of the item's name)\n const filterLowerCase = filter.toLowerCase();\n\n const exactMatches = [];\n const prefixMatches = [];\n const infixMatches = [];\n\n // makeLinkHtml creates the link name HTML for a list item. item is the DOM\n // item. item.name.substr(boldStart, boldEnd) will be bolded.\n const makeLinkHtml = (item: JumpListItem, boldStart: number, boldEnd: number) => {\n return (\n item.name.substring(0, boldStart) +\n '<b>' +\n item.name.substring(boldStart, boldEnd) +\n '</b>' +\n item.name.substring(boldEnd)\n );\n };\n\n for (const item of jumpListItems ?? []) {\n const nameLowerCase = item.name.toLowerCase();\n\n if (nameLowerCase === filterLowerCase) {\n item.link.innerHTML = makeLinkHtml(item, 0, item.name.length);\n exactMatches.push(item);\n } else if (nameLowerCase.startsWith(filterLowerCase)) {\n item.link.innerHTML = makeLinkHtml(item, 0, filter.length);\n prefixMatches.push(item);\n } else {\n const index = nameLowerCase.indexOf(filterLowerCase);\n if (index > -1) {\n item.link.innerHTML = makeLinkHtml(item, index, index + filter.length);\n infixMatches.push(item);\n }\n }\n }\n\n for (const item of exactMatches.concat(prefixMatches).concat(infixMatches)) {\n jumpList?.appendChild(item.link);\n }\n } else {\n if (!jumpListItems || jumpListItems.length === 0) {\n const msg = document.createElement('i');\n msg.innerHTML = 'There are no symbols on this page.';\n jumpList?.appendChild(msg);\n }\n // No filter set; display all items in their existing order.\n for (const item of jumpListItems ?? []) {\n item.link.innerHTML = item.name + ' <i>' + item.kind + '</i>';\n jumpList?.appendChild(item.link);\n }\n }\n\n if (jumpBody) {\n jumpBody.scrollTop = 0;\n }\n if (jumpListItems?.length && jumpList && jumpList.children.length > 0) {\n setActiveJumpItem(0);\n }\n }\n\n // Set the active jump item to n.\n function setActiveJumpItem(n: number) {\n const cs = jumpList?.children as HTMLCollectionOf<HTMLElement> | null | undefined;\n if (!cs || !jumpBody) {\n return;\n }\n if (activeJumpItem >= 0) {\n cs[activeJumpItem].classList.remove('JumpDialog-active');\n }\n if (n >= cs.length) {\n n = cs.length - 1;\n }\n if (n >= 0) {\n cs[n].classList.add('JumpDialog-active');\n\n // Scroll so the active item is visible.\n // For some reason cs[n].scrollIntoView() doesn't behave as I'd expect:\n // it moves the entire dialog box in the viewport.\n\n // Get the top and bottom of the active item relative to jumpBody.\n const activeTop = cs[n].offsetTop - cs[0].offsetTop;\n const activeBottom = activeTop + cs[n].clientHeight;\n if (activeTop < jumpBody.scrollTop) {\n // Off the top; scroll up.\n jumpBody.scrollTop = activeTop;\n } else if (activeBottom > jumpBody.scrollTop + jumpBody.clientHeight) {\n // Off the bottom; scroll down.\n jumpBody.scrollTop = activeBottom - jumpBody.clientHeight;\n }\n }\n activeJumpItem = n;\n }\n\n // Increment the activeJumpItem by delta.\n function incActiveJumpItem(delta: number) {\n if (activeJumpItem < 0) {\n return;\n }\n let n = activeJumpItem + delta;\n if (n < 0) {\n n = 0;\n }\n setActiveJumpItem(n);\n }\n\n // Pressing a key in the filter updates the list (if the filter actually changed).\n jumpFilter?.addEventListener('keyup', function () {\n if (jumpFilter.value.toUpperCase() != lastFilterValue.toUpperCase()) {\n updateJumpList(jumpFilter.value);\n }\n });\n\n // Pressing enter in the filter selects the first element in the list.\n jumpFilter?.addEventListener('keydown', function (event) {\n const upArrow = 38;\n const downArrow = 40;\n const enterKey = 13;\n switch (event.which) {\n case upArrow:\n incActiveJumpItem(-1);\n event.preventDefault();\n break;\n case downArrow:\n incActiveJumpItem(1);\n event.preventDefault();\n break;\n case enterKey:\n if (activeJumpItem >= 0) {\n if (jumpList) {\n (jumpList.children[activeJumpItem] as HTMLElement).click();\n event.preventDefault();\n }\n }\n break;\n }\n });\n\n const shortcutsDialog = document.querySelector<HTMLDialogElement>('.ShortcutsDialog');\n\n // - Pressing 'f' or 'F' opens the jump-to-symbol dialog.\n // - Pressing '?' opens up the shortcut dialog.\n // Ignore a keypress if a dialog is already open, or if it is pressed on a\n // component that wants to consume it.\n keyboard\n .on('f', 'open jump to modal', e => {\n if (jumpDialog?.open || shortcutsDialog?.open) {\n return;\n }\n e.preventDefault();\n if (jumpFilter) {\n jumpFilter.value = '';\n }\n jumpDialog?.showModal?.();\n jumpFilter?.focus();\n updateJumpList('');\n })\n .on('?', 'open shortcuts modal', () => {\n if (jumpDialog?.open || shortcutsDialog?.open) {\n return;\n }\n shortcutsDialog?.showModal?.();\n });\n\n const jumpOutlineInput = document.querySelector('.js-jumpToInput');\n if (jumpOutlineInput) {\n jumpOutlineInput.addEventListener('click', () => {\n if (jumpFilter) {\n jumpFilter.value = '';\n }\n updateJumpList('');\n if (jumpDialog?.open || shortcutsDialog?.open) {\n return;\n }\n jumpDialog?.showModal?.();\n jumpFilter?.focus();\n });\n }\n\n document.querySelector('.js-openShortcuts')?.addEventListener('click', () => {\n shortcutsDialog?.showModal?.();\n });\n}\n", "/**\n * @license\n * Copyright 2022 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * Left Navigation.\n */\nexport const initJumpLinks = async function () {\n const pagesWithJumpLinks = ['/about'];\n if (!pagesWithJumpLinks.includes(window.location.pathname)) {\n // stop the file from doing anything else if the page doesn't have jumplinks\n return;\n }\n\n // these might be generated or not so don't grab references to the elements until actually need them.\n const titles = 'h2, h3, h4';\n const nav = '.LeftNav a';\n // these are always in the dom so we can get them now and throw errors if they're not.\n const leftNav = document.querySelector('.LeftNav');\n const siteContent = document.querySelector('.go-Content');\n let isObserverDisabled = false;\n\n /**\n * El function\n * @example el('h1', {className: 'title'}, 'Welcome to the site');\n * @example el('ul', {className: 'list'}, el('li', {}, 'Item one'), el('li', {}, 'Item two'), el('li', {}, 'Item three'));\n * @example el('img', {src: '/url.svg'});\n */\n function el(\n type = '',\n props: { [key: string]: string } = {},\n ...children: (HTMLElement | HTMLElement[] | string | undefined)[]\n ) {\n // Error, no type declared.\n if (!type) {\n throw new Error('Provide `type` to create document element.');\n }\n\n // Create element with optional attribute props\n const docEl = Object.assign(document.createElement(type), props);\n\n // Children: array containing strings or elements\n children.forEach(child => {\n if (typeof child === 'string') {\n docEl.appendChild(document.createTextNode(child));\n } else if (Array.isArray(child)) {\n child.forEach(c => docEl.appendChild(c));\n } else if (child instanceof HTMLElement) {\n docEl.appendChild(child);\n }\n });\n\n return docEl;\n }\n /** Build Nav if data hydrate is present. */\n function buildNav() {\n return new Promise((resolve, reject) => {\n let navItems: { id: string; label: string; subnav?: { id: string; label: string }[] }[] = [];\n let elements: HTMLElement[] = [];\n\n if (!siteContent || !leftNav) {\n return reject('.SiteContent not found.');\n }\n if (leftNav instanceof HTMLElement && !leftNav?.dataset?.hydrate) {\n return resolve(true);\n }\n\n for (const title of siteContent.querySelectorAll(titles)) {\n if (title instanceof HTMLElement && !title?.dataset?.ignore) {\n switch (title.tagName) {\n case 'H2':\n navItems = [\n ...navItems,\n {\n id: title.id,\n label: title?.dataset?.title ? title.dataset.title : title.textContent ?? '',\n },\n ];\n break;\n\n case 'H3':\n case 'H4':\n if (!navItems[navItems.length - 1]?.subnav) {\n navItems[navItems.length - 1].subnav = [\n {\n id: title.id,\n label: title?.dataset?.title ? title.dataset.title : title.textContent ?? '',\n },\n ];\n } else if (navItems[navItems.length - 1].subnav) {\n navItems[navItems.length - 1].subnav?.push({\n id: title.id,\n label: title?.dataset?.title ? title.dataset.title : title.textContent ?? '',\n });\n }\n break;\n }\n }\n }\n\n for (const navItem of navItems) {\n const link = el('a', { href: '#' + navItem.id }, el('span', {}, navItem.label));\n elements = [...elements, link];\n if (navItem?.subnav) {\n let subLinks: HTMLElement[] = [];\n for (const subnavItem of navItem.subnav) {\n const subItem = el(\n 'li',\n {},\n el(\n 'a',\n { href: '#' + subnavItem.id },\n el('img', { src: '/static/frontend/about/dot.svg', width: '5', height: '5' }),\n el('span', {}, subnavItem.label)\n )\n );\n subLinks = [...subLinks, subItem];\n }\n const list = el('ul', { className: 'LeftSubnav' }, subLinks);\n elements = [...elements, list];\n }\n }\n\n elements.forEach(element => leftNav.appendChild(element));\n\n return resolve(true);\n });\n }\n /**\n * Set the correct active element.\n */\n function setNav() {\n return new Promise(resolve => {\n if (!document.querySelectorAll(nav)) return resolve(true);\n for (const a of document.querySelectorAll(nav)) {\n if (a instanceof HTMLAnchorElement && a.href === location.href) {\n setElementActive(a);\n break;\n }\n }\n resolve(true);\n });\n }\n /** resetNav: removes all .active from nav elements */\n function resetNav() {\n return new Promise(resolve => {\n if (!document.querySelectorAll(nav)) return resolve(true);\n for (const a of document.querySelectorAll(nav)) {\n a.classList.remove('active');\n }\n resolve(true);\n });\n }\n /** setElementActive: controls resetting nav and highlighting the appropriate nav items */\n function setElementActive(element: HTMLAnchorElement) {\n if (element instanceof HTMLAnchorElement) {\n resetNav().then(() => {\n element.classList.add('active');\n const parent = element?.parentNode?.parentNode;\n if (parent instanceof HTMLElement && parent?.classList?.contains('LeftSubnav')) {\n parent.previousElementSibling?.classList.add('active');\n }\n });\n }\n }\n /** setLinkManually: disables observer and selects the clicked nav item. */\n function setLinkManually() {\n delayObserver();\n const link = document.querySelector('[href=\"' + location.hash + '\"]');\n if (link instanceof HTMLAnchorElement) {\n setElementActive(link);\n }\n }\n /** delayObserver: Quick on off switch for intersection observer. */\n function delayObserver() {\n isObserverDisabled = true;\n setTimeout(() => {\n isObserverDisabled = false;\n }, 200);\n }\n /** observeSections: kicks off observation of titles as well as manual clicks with hashchange */\n function observeSections() {\n window.addEventListener('hashchange', setLinkManually);\n\n if (siteContent?.querySelectorAll(titles)) {\n const callback: IntersectionObserverCallback = entries => {\n if (!isObserverDisabled && Array.isArray(entries) && entries.length > 0) {\n for (const entry of entries) {\n if (entry.isIntersecting && entry.target instanceof HTMLElement) {\n const { id } = entry.target;\n const link = document.querySelector('[href=\"#' + id + '\"]');\n if (link instanceof HTMLAnchorElement) {\n setElementActive(link);\n }\n break;\n }\n }\n }\n };\n // rootMargin is important when multiple sections are in the observable area **on page load**.\n // they will still be highlighted on scroll because of the root margin.\n const ob = new IntersectionObserver(callback, {\n threshold: 0,\n rootMargin: '0px 0px -50% 0px',\n });\n for (const title of siteContent.querySelectorAll(titles)) {\n if (title instanceof HTMLElement && !title?.dataset?.ignore) {\n ob.observe(title);\n }\n }\n }\n }\n\n try {\n await buildNav();\n await setNav();\n if (location.hash) {\n delayObserver();\n }\n observeSections();\n } catch (e) {\n if (e instanceof Error) {\n console.error(e.message);\n } else {\n console.error(e);\n }\n }\n};\n", "/**\n * @license\n * Copyright 2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nimport { registerHeaderListeners, registerSearchFormListeners } from 'static/shared/header/header';\nimport { CarouselController } from 'static/shared/carousel/carousel';\nimport { ClipboardController } from 'static/shared/clipboard/clipboard';\nimport { ToolTipController } from 'static/shared/tooltip/tooltip';\nimport { SelectNavController } from 'static/shared/outline/select';\nimport { ModalController } from 'static/shared/modal/modal';\nimport { initModals } from 'static/shared/jump/jump';\n\nimport { keyboard } from 'static/shared/keyboard/keyboard';\nimport * as analytics from 'static/shared/analytics/analytics';\nimport { initJumpLinks } from './about/index';\n\nwindow.addEventListener('load', () => {\n for (const el of document.querySelectorAll<HTMLButtonElement>('.js-clipboard')) {\n new ClipboardController(el);\n }\n\n for (const el of document.querySelectorAll<HTMLDialogElement>('.js-modal')) {\n new ModalController(el);\n }\n\n for (const t of document.querySelectorAll<HTMLDetailsElement>('.js-tooltip')) {\n new ToolTipController(t);\n }\n\n for (const el of document.querySelectorAll<HTMLSelectElement>('.js-selectNav')) {\n new SelectNavController(el);\n }\n\n for (const el of document.querySelectorAll<HTMLSelectElement>('.js-carousel')) {\n new CarouselController(el);\n }\n\n for (const el of document.querySelectorAll('.js-toggleTheme')) {\n el.addEventListener('click', () => {\n toggleTheme();\n });\n }\n\n if (document.querySelector<HTMLElement>('.js-gtmID')?.dataset.gtmid && window.dataLayer) {\n analytics.func(function () {\n removeUTMSource();\n });\n } else {\n removeUTMSource();\n }\n\n registerHeaderListeners();\n registerSearchFormListeners();\n initModals();\n initJumpLinks();\n});\n\n// Pressing '/' focuses the search box\nkeyboard.on('/', 'focus search', e => {\n const searchInput = Array.from(\n document.querySelectorAll<HTMLInputElement>('.js-searchFocus')\n ).pop();\n // Favoring the Firefox quick find feature over search input\n // focus. See: https://github.com/golang/go/issues/41093.\n if (searchInput && !window.navigator.userAgent.includes('Firefox')) {\n e.preventDefault();\n searchInput.focus();\n }\n});\n\n// Pressing 'y' changes the browser URL to the canonical URL\n// without triggering a reload.\nkeyboard.on('y', 'set canonical url', () => {\n let canonicalURLPath = document.querySelector<HTMLDivElement>('.js-canonicalURLPath')?.dataset[\n 'canonicalUrlPath'\n ];\n if (canonicalURLPath && canonicalURLPath !== '') {\n const fragment = window.location.hash;\n if (fragment) {\n canonicalURLPath += fragment;\n }\n window.history.replaceState(null, '', canonicalURLPath);\n }\n});\n\n/**\n * setupGoogleTagManager initializes Google Tag Manager.\n */\n(function setupGoogleTagManager() {\n analytics.track({\n 'gtm.start': new Date().getTime(),\n event: 'gtm.js',\n });\n})();\n\n/**\n * removeUTMSource removes the utm_source GET parameter if present.\n * This is done using JavaScript, so that the utm_source is still\n * captured by Google Analytics.\n */\nfunction removeUTMSource() {\n const urlParams = new URLSearchParams(window.location.search);\n const utmSource = urlParams.get('utm_source');\n if (utmSource !== 'gopls' && utmSource !== 'godoc' && utmSource !== 'pkggodev') {\n return;\n }\n\n /** Strip the utm_source query parameter and replace the URL. **/\n const newURL = new URL(window.location.href);\n urlParams.delete('utm_source');\n newURL.search = urlParams.toString();\n window.history.replaceState(null, '', newURL.toString());\n}\n\n/**\n * toggleTheme switches the preferred color scheme between auto, light, and dark.\n */\nfunction toggleTheme() {\n let nextTheme = 'dark';\n const theme = document.documentElement.getAttribute('data-theme');\n if (theme === 'dark') {\n nextTheme = 'light';\n } else if (theme === 'light') {\n nextTheme = 'auto';\n }\n let domain = '';\n if (location.hostname.endsWith('go.dev')) {\n domain = 'domain=.go.dev;';\n }\n document.documentElement.setAttribute('data-theme', nextTheme);\n document.cookie = `prefers-color-scheme=${nextTheme};${domain}path=/;max-age=31536000;`;\n}\n"],
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+ "sourcesContent": ["/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nexport function registerHeaderListeners(): void {\n const header = document.querySelector('.js-header') as HTMLElement;\n\n // Desktop menu hover state\n const menuItemHovers = document.querySelectorAll('.js-desktop-menu-hover');\n menuItemHovers.forEach(menuItemHover => {\n // when user clicks on the dropdown menu item on desktop or mobile,\n // force the menu to stay open until the user clicks off of it.\n menuItemHover.addEventListener('mouseenter', e => {\n const target = e.target as HTMLElement;\n const forced = document.querySelector('.forced-open') as HTMLElement;\n if (forced && forced !== menuItemHover) {\n forced.blur();\n forced.classList.remove('forced-open');\n }\n // prevents menus that have been tabbed into from staying open\n // when you hover over another menu\n target.focus();\n target.blur();\n });\n\n const toggleForcedOpen = (e: Event) => {\n const target = e.target as HTMLElement;\n const isForced = target?.classList.contains('forced-open');\n const currentTarget = e.currentTarget as HTMLElement;\n if (isForced) {\n currentTarget.removeEventListener('blur', () =>\n currentTarget.classList.remove('forced-open')\n );\n currentTarget.classList.remove('forced-open');\n currentTarget.classList.add('forced-closed');\n currentTarget.blur();\n currentTarget?.parentNode?.addEventListener('mouseout', () => {\n currentTarget.classList.remove('forced-closed');\n });\n } else {\n currentTarget.classList.remove('forced-closed');\n currentTarget.classList.add('forced-open');\n currentTarget.focus();\n currentTarget.addEventListener('blur', () => currentTarget.classList.remove('forced-open'));\n currentTarget?.parentNode?.removeEventListener('mouseout', () => {\n currentTarget.classList.remove('forced-closed');\n });\n }\n };\n menuItemHover.addEventListener('click', toggleForcedOpen);\n });\n\n // ensure desktop submenus are closed when esc is pressed\n const headerItems = document.querySelectorAll('.Header-menuItem');\n headerItems.forEach(header => {\n header.addEventListener('keyup', e => {\n const event = e as KeyboardEvent;\n if (event.key === 'Escape') {\n (event.target as HTMLElement)?.blur();\n }\n });\n });\n\n // Mobile menu subnav menus\n const headerbuttons = document.querySelectorAll('.js-headerMenuButton');\n headerbuttons.forEach(button => {\n button.addEventListener('click', e => {\n e.preventDefault();\n const isActive = header?.classList.contains('is-active');\n if (isActive) {\n handleNavigationDrawerInactive(header);\n } else {\n handleNavigationDrawerActive(header);\n }\n button.setAttribute('aria-expanded', isActive ? 'true' : 'false');\n });\n });\n\n const scrim = document.querySelector('.js-scrim');\n scrim?.addEventListener('click', e => {\n e.preventDefault();\n\n // find any active submenus and close them\n const activeSubnavs = document.querySelectorAll('.go-NavigationDrawer-submenuItem.is-active');\n activeSubnavs.forEach(subnav => handleNavigationDrawerInactive(subnav as HTMLElement));\n\n handleNavigationDrawerInactive(header);\n\n headerbuttons.forEach(button => {\n button.setAttribute(\n 'aria-expanded',\n header?.classList.contains('is-active') ? 'true' : 'false'\n );\n });\n });\n\n const getNavigationDrawerMenuItems = (navigationDrawer: HTMLElement): HTMLElement[] => {\n if (!navigationDrawer) {\n return [];\n }\n\n const menuItems = Array.from(\n navigationDrawer.querySelectorAll(\n ':scope > .go-NavigationDrawer-nav > .go-NavigationDrawer-list > .go-NavigationDrawer-listItem > a, :scope > .go-NavigationDrawer-nav > .go-NavigationDrawer-list > .go-NavigationDrawer-listItem > .go-Header-socialIcons > a'\n ) || []\n );\n\n const anchorEl = navigationDrawer.querySelector('.go-NavigationDrawer-header > a');\n if (anchorEl) {\n menuItems.unshift(anchorEl);\n }\n return menuItems as HTMLElement[];\n };\n\n const getNavigationDrawerIsSubnav = (navigationDrawer: HTMLElement) => {\n if (!navigationDrawer) {\n return;\n }\n return navigationDrawer.classList.contains('go-NavigationDrawer-submenuItem');\n };\n\n const handleNavigationDrawerInactive = (navigationDrawer: HTMLElement) => {\n if (!navigationDrawer) {\n return;\n }\n const menuItems = getNavigationDrawerMenuItems(navigationDrawer);\n navigationDrawer.classList.remove('is-active');\n const parentMenuItem = navigationDrawer\n .closest('.go-NavigationDrawer-listItem')\n ?.querySelector(':scope > a') as HTMLElement;\n parentMenuItem?.focus();\n menuItems?.forEach(item => item?.setAttribute('tabindex', '-1'));\n if (menuItems && menuItems[0]) {\n menuItems[0].removeEventListener('keydown', handleMenuItemTabLeftFactory(navigationDrawer));\n menuItems[menuItems.length - 1].removeEventListener(\n 'keydown',\n handleMenuItemTabRightFactory(navigationDrawer)\n );\n }\n\n if (navigationDrawer === header) {\n headerbuttons && (headerbuttons[0] as HTMLElement)?.focus();\n }\n };\n\n const handleNavigationDrawerActive = (navigationDrawer: HTMLElement) => {\n const menuItems = getNavigationDrawerMenuItems(navigationDrawer);\n\n navigationDrawer.classList.add('is-active');\n menuItems.forEach(item => item.setAttribute('tabindex', '0'));\n menuItems[0].focus();\n\n menuItems[0].addEventListener('keydown', handleMenuItemTabLeftFactory(navigationDrawer));\n menuItems[menuItems.length - 1].addEventListener(\n 'keydown',\n handleMenuItemTabRightFactory(navigationDrawer)\n );\n };\n\n const handleMenuItemTabLeftFactory = (navigationDrawer: HTMLElement) => {\n return (e: KeyboardEvent) => {\n if (e.key === 'Tab' && e.shiftKey) {\n e.preventDefault();\n handleNavigationDrawerInactive(navigationDrawer);\n }\n };\n };\n\n const handleMenuItemTabRightFactory = (navigationDrawer: HTMLElement) => {\n return (e: KeyboardEvent) => {\n if (e.key === 'Tab' && !e.shiftKey) {\n e.preventDefault();\n handleNavigationDrawerInactive(navigationDrawer);\n }\n };\n };\n\n const prepMobileNavigationDrawer = (navigationDrawer: HTMLElement) => {\n const isSubnav = getNavigationDrawerIsSubnav(navigationDrawer);\n const menuItems = getNavigationDrawerMenuItems(navigationDrawer);\n navigationDrawer.addEventListener('keyup', e => {\n if (e.key === 'Escape') {\n handleNavigationDrawerInactive(navigationDrawer);\n }\n });\n\n menuItems.forEach(item => {\n const parentLi = item.closest('li');\n if (parentLi && parentLi.classList.contains('js-mobile-subnav-trigger')) {\n const submenu = parentLi.querySelector('.go-NavigationDrawer-submenuItem') as HTMLElement;\n item.addEventListener('click', () => {\n handleNavigationDrawerActive(submenu);\n });\n }\n });\n if (isSubnav) {\n handleNavigationDrawerInactive(navigationDrawer);\n navigationDrawer\n ?.querySelector('.go-NavigationDrawer-header')\n ?.addEventListener('click', e => {\n e.preventDefault();\n handleNavigationDrawerInactive(navigationDrawer);\n });\n }\n };\n\n document\n .querySelectorAll('.go-NavigationDrawer')\n .forEach(drawer => prepMobileNavigationDrawer(drawer as HTMLElement));\n\n handleNavigationDrawerInactive(header);\n}\n\nexport function registerSearchFormListeners(): void {\n const searchForm = document.querySelector('.js-searchForm');\n const expandSearch = document.querySelector('.js-expandSearch');\n const input = searchForm?.querySelector('input');\n const headerLogo = document.querySelector('.js-headerLogo');\n const menuButton = document.querySelector('.js-headerMenuButton');\n expandSearch?.addEventListener('click', () => {\n searchForm?.classList.add('go-SearchForm--expanded');\n headerLogo?.classList.add('go-Header-logo--hidden');\n menuButton?.classList.add('go-Header-navOpen--hidden');\n input?.focus();\n });\n document?.addEventListener('click', e => {\n if (!searchForm?.contains(e.target as Node)) {\n searchForm?.classList.remove('go-SearchForm--expanded');\n headerLogo?.classList.remove('go-Header-logo--hidden');\n menuButton?.classList.remove('go-Header-navOpen--hidden');\n }\n });\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * Carousel Controller adds event listeners, accessibility enhancements, and\n * control elements to a carousel component.\n */\nexport class CarouselController {\n /**\n * slides is a collection of slides in the carousel.\n */\n private slides: HTMLLIElement[];\n /**\n * dots is a collection of dot navigation controls, added to the carousel\n * by this controller.\n */\n private dots: HTMLElement[];\n /**\n * liveRegion is a visually hidden element that notifies assitive devices\n * of visual changes to the carousel. They are added to the carousel by\n * this controller.\n */\n private liveRegion: HTMLElement;\n /**\n * activeIndex is the 0-index of the currently active slide.\n */\n private activeIndex: number;\n\n constructor(private el: HTMLElement) {\n this.slides = Array.from(el.querySelectorAll('.go-Carousel-slide'));\n this.dots = [];\n this.liveRegion = document.createElement('div');\n this.activeIndex = Number(el.getAttribute('data-slide-index') ?? 0);\n\n this.initSlides();\n this.initArrows();\n this.initDots();\n this.initLiveRegion();\n }\n\n private initSlides() {\n for (const [i, v] of this.slides.entries()) {\n if (i === this.activeIndex) continue;\n v.setAttribute('aria-hidden', 'true');\n }\n }\n\n private initArrows() {\n const arrows = document.createElement('ul');\n arrows.classList.add('go-Carousel-arrows');\n arrows.innerHTML = `\n <li>\n <button class=\"go-Carousel-prevSlide\" aria-label=\"Go to previous slide\">\n <img class=\"go-Icon\" height=\"24\" width=\"24\" src=\"/static/shared/icon/arrow_left_gm_grey_24dp.svg\" alt=\"\">\n </button>\n </li>\n <li>\n <button class=\"go-Carousel-nextSlide\" aria-label=\"Go to next slide\">\n <img class=\"go-Icon\" height=\"24\" width=\"24\" src=\"/static/shared/icon/arrow_right_gm_grey_24dp.svg\" alt=\"\">\n </button>\n </li>\n `;\n arrows\n .querySelector('.go-Carousel-prevSlide')\n ?.addEventListener('click', () => this.setActive(this.activeIndex - 1));\n arrows\n .querySelector('.go-Carousel-nextSlide')\n ?.addEventListener('click', () => this.setActive(this.activeIndex + 1));\n this.el.append(arrows);\n }\n\n private initDots() {\n const dots = document.createElement('ul');\n dots.classList.add('go-Carousel-dots');\n for (let i = 0; i < this.slides.length; i++) {\n const li = document.createElement('li');\n const button = document.createElement('button');\n button.classList.add('go-Carousel-dot');\n if (i === this.activeIndex) {\n button.classList.add('go-Carousel-dot--active');\n }\n button.innerHTML = `<span class=\"go-Carousel-obscured\">Slide ${i + 1}</span>`;\n button.addEventListener('click', () => this.setActive(i));\n li.append(button);\n dots.append(li);\n this.dots.push(button);\n }\n this.el.append(dots);\n }\n\n private initLiveRegion() {\n this.liveRegion.setAttribute('aria-live', 'polite');\n this.liveRegion.setAttribute('aria-atomic', 'true');\n this.liveRegion.setAttribute('class', 'go-Carousel-obscured');\n this.liveRegion.textContent = `Slide ${this.activeIndex + 1} of ${this.slides.length}`;\n this.el.appendChild(this.liveRegion);\n }\n\n private setActive = (index: number) => {\n this.activeIndex = (index + this.slides.length) % this.slides.length;\n this.el.setAttribute('data-slide-index', String(this.activeIndex));\n for (const d of this.dots) {\n d.classList.remove('go-Carousel-dot--active');\n }\n this.dots[this.activeIndex].classList.add('go-Carousel-dot--active');\n for (const s of this.slides) {\n s.setAttribute('aria-hidden', 'true');\n }\n this.slides[this.activeIndex].removeAttribute('aria-hidden');\n this.liveRegion.textContent = 'Slide ' + (this.activeIndex + 1) + ' of ' + this.slides.length;\n };\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * This class decorates an element to copy arbitrary data attached via a data-\n * attribute to the clipboard.\n */\nexport class ClipboardController {\n /**\n * The data to be copied to the clipboard.\n */\n private data: string;\n\n /**\n * @param el The element that will trigger copying text to the clipboard. The text is\n * expected to be within its data-to-copy attribute.\n */\n constructor(private el: HTMLButtonElement) {\n this.data = el.dataset['toCopy'] ?? el.innerText;\n // if data-to-copy is empty and the button is part of an input group\n // capture the value of the input.\n if (!this.data && el.parentElement?.classList.contains('go-InputGroup')) {\n this.data = (this.data || el.parentElement?.querySelector('input')?.value) ?? '';\n }\n el.addEventListener('click', e => this.handleCopyClick(e));\n }\n\n /**\n * Handles when the primary element is clicked.\n */\n handleCopyClick(e: MouseEvent): void {\n e.preventDefault();\n const TOOLTIP_SHOW_DURATION_MS = 1000;\n\n // This API is not available on iOS.\n if (!navigator.clipboard) {\n this.showTooltipText('Unable to copy', TOOLTIP_SHOW_DURATION_MS);\n return;\n }\n navigator.clipboard\n .writeText(this.data)\n .then(() => {\n this.showTooltipText('Copied!', TOOLTIP_SHOW_DURATION_MS);\n })\n .catch(() => {\n this.showTooltipText('Unable to copy', TOOLTIP_SHOW_DURATION_MS);\n });\n }\n\n /**\n * Shows the given text in a tooltip for a specified amount of time, in milliseconds.\n */\n showTooltipText(text: string, durationMs: number): void {\n this.el.setAttribute('data-tooltip', text);\n setTimeout(() => this.el.setAttribute('data-tooltip', ''), durationMs);\n }\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * ToolTipController handles closing tooltips on external clicks.\n */\nexport class ToolTipController {\n constructor(private el: HTMLDetailsElement) {\n document.addEventListener('click', e => {\n const insideTooltip = this.el.contains(e.target as Element);\n if (!insideTooltip) {\n this.el.removeAttribute('open');\n }\n });\n }\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nimport { TreeNavController } from './tree.js';\n\nexport class SelectNavController {\n constructor(private el: Element) {\n this.el.addEventListener('change', e => {\n const target = e.target as HTMLSelectElement;\n let href = target.value;\n if (!target.value.startsWith('/')) {\n href = '/' + href;\n }\n window.location.href = href;\n });\n }\n}\n\nexport function makeSelectNav(tree: TreeNavController): HTMLLabelElement {\n const label = document.createElement('label');\n label.classList.add('go-Label');\n label.setAttribute('aria-label', 'Menu');\n const select = document.createElement('select');\n select.classList.add('go-Select', 'js-selectNav');\n label.appendChild(select);\n const outline = document.createElement('optgroup');\n outline.label = 'Outline';\n select.appendChild(outline);\n const groupMap: Record<string, HTMLOptGroupElement> = {};\n let group: HTMLOptGroupElement;\n for (const t of tree.treeitems) {\n if (Number(t.depth) > 4) continue;\n if (t.groupTreeitem) {\n group = groupMap[t.groupTreeitem.label];\n if (!group) {\n group = groupMap[t.groupTreeitem.label] = document.createElement('optgroup');\n group.label = t.groupTreeitem.label;\n select.appendChild(group);\n }\n } else {\n group = outline;\n }\n const o = document.createElement('option');\n o.label = t.label;\n o.textContent = t.label;\n o.value = (t.el as HTMLAnchorElement).href.replace(window.location.origin, '').replace('/', '');\n group.appendChild(o);\n }\n tree.addObserver(t => {\n const hash = (t.el as HTMLAnchorElement).hash;\n const value = select.querySelector<HTMLOptionElement>(`[value$=\"${hash}\"]`)?.value;\n if (value) {\n select.value = value;\n }\n }, 50);\n return label;\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\ninterface Window {\n dialogPolyfill?: {\n registerDialog: (el: HTMLDialogElement) => void;\n };\n}\n\ndeclare const window: Window;\n\n/**\n * ModalController registers a dialog element with the polyfill if\n * necessary for the current browser, add adds event listeners to\n * close and open modals.\n */\nexport class ModalController {\n constructor(private el: HTMLDialogElement) {\n if (window.dialogPolyfill) {\n window.dialogPolyfill.registerDialog(el);\n }\n this.init();\n }\n\n init() {\n const button = document.querySelector<HTMLButtonElement>(`[aria-controls=\"${this.el.id}\"]`);\n if (button) {\n button.addEventListener('click', () => {\n if (this.el.showModal) {\n this.el.showModal();\n } else {\n this.el.setAttribute('opened', 'true');\n }\n this.el.querySelector('input')?.focus();\n });\n }\n for (const btn of this.el.querySelectorAll<HTMLButtonElement>('[data-modal-close]')) {\n btn.addEventListener('click', () => {\n if (this.el.close) {\n this.el.close();\n } else {\n this.el.removeAttribute('opened');\n }\n });\n }\n }\n}\n", "interface TagManagerEvent {\n /**\n * event is the name of the event, used to filter events in\n * Google Analytics.\n */\n event: string;\n\n /**\n * event_category is a name that you supply as a way to group objects\n * that to analyze. Typically, you will use the same category name\n * multiple times over related UI elements (buttons, links, etc).\n */\n event_category?: string;\n\n /**\n * event_action is used to name the type of event or interaction you\n * want to measure for a particular web object. For example, with a\n * single \"form\" category, you can analyze a number of specific events\n * with this parameter, such as: form entered, form submitted.\n */\n event_action?: string;\n\n /**\n * event_label provide additional information for events that you want\n * to analyze, such as the text label of a link.\n */\n event_label?: string;\n\n /**\n * gtm.start is used to initialize Google Tag Manager.\n */\n 'gtm.start'?: number;\n}\n\n// eslint-disable-next-line @typescript-eslint/no-unused-vars\ndeclare global {\n interface Window {\n dataLayer?: (TagManagerEvent | VoidFunction)[];\n ga?: unknown;\n }\n}\n\n/**\n * track sends events to Google Tag Manager.\n */\nexport function track(\n event: string | TagManagerEvent,\n category?: string,\n action?: string,\n label?: string\n): void {\n window.dataLayer ??= [];\n if (typeof event === 'string') {\n window.dataLayer.push({\n event,\n event_category: category,\n event_action: action,\n event_label: label,\n });\n } else {\n window.dataLayer.push(event);\n }\n}\n\n/**\n * func adds functions to run sequentionally after\n * Google Tag Manager is ready.\n */\nexport function func(fn: () => void): void {\n window.dataLayer ??= [];\n window.dataLayer.push(fn);\n}\n", "/*!\n * @license\n * Copyright 2019-2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nimport { track } from '../analytics/analytics';\n\n/**\n * Options are keyhandler callback options.\n */\ninterface Options {\n /**\n * target is the element the key event should filter on. The\n * default target is the document.\n */\n target?: Element;\n\n /**\n * withMeta specifies if the event callback should fire when\n * the key is pressed with a meta key (ctrl, alt, etc). By\n * default meta keypresses are ignored.\n */\n withMeta?: boolean;\n}\n\n/**\n * KeyHandler is the config for a keyboard event callback.\n */\ninterface KeyHandler extends Options {\n description: string;\n callback: (e: KeyboardEvent) => void;\n}\n\n/**\n * KeyboardController controls event callbacks for sitewide\n * keyboard events. Multiple callbacks can be registered for\n * a single key and by default the controller ignores events\n * for text input targets.\n */\nclass KeyboardController {\n handlers: Record<string, Set<KeyHandler>>;\n\n constructor() {\n this.handlers = {};\n document.addEventListener('keydown', e => this.handleKeyPress(e));\n }\n\n /**\n * on registers keyboard event callbacks.\n * @param key the key to register.\n * @param description name of the event.\n * @param callback event callback.\n * @param options set target and withMeta options to override the default behaviors.\n */\n on(key: string, description: string, callback: (e: KeyboardEvent) => void, options?: Options) {\n this.handlers[key] ??= new Set();\n this.handlers[key].add({ description, callback, ...options });\n return this;\n }\n\n private handleKeyPress(e: KeyboardEvent) {\n for (const handler of this.handlers[e.key.toLowerCase()] ?? new Set()) {\n if (handler.target && handler.target !== e.target) {\n return;\n }\n const t = e.target as HTMLElement | null;\n if (\n !handler.target &&\n (t?.tagName === 'INPUT' || t?.tagName === 'SELECT' || t?.tagName === 'TEXTAREA')\n ) {\n return;\n }\n if (t?.isContentEditable) {\n return;\n }\n if (\n (handler.withMeta && !(e.ctrlKey || e.metaKey)) ||\n (!handler.withMeta && (e.ctrlKey || e.metaKey))\n ) {\n return;\n }\n track('keypress', 'hotkeys', `${e.key} pressed`, handler.description);\n handler.callback(e);\n }\n }\n}\n\nexport const keyboard = new KeyboardController();\n", "/*!\n * @license\n * Copyright 2019-2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n// This file implements the behavior of the \"jump to symbol\" dialog for Go\n// package documentation, as well as the simple dialog that displays keyboard\n// shortcuts.\n\n// The DOM for the dialogs is at the bottom of static/frontend/unit/main/_modals.tmpl.\n// The CSS is in static/frontend/unit/main/_modals.css.\n\n// The dialog is activated by pressing the 'f' key. It presents a list\n// (#JumpDialog-list) of all Go symbols displayed in the documentation.\n// Entering text in the dialog's text box (#JumpDialog-filter) restricts the\n// list to symbols containing the text. Clicking on an symbol jumps to\n// its documentation.\n\n// This code is based on\n// https://go.googlesource.com/gddo/+/refs/heads/master/gddo-server/assets/site.js.\n// It was modified to remove the dependence on jquery and bootstrap.\n\nimport { keyboard } from '../keyboard/keyboard';\n\nexport function initModals(): void {\n const jumpDialog = document.querySelector<HTMLDialogElement>('.JumpDialog');\n const jumpBody = jumpDialog?.querySelector<HTMLDivElement>('.JumpDialog-body');\n const jumpList = jumpDialog?.querySelector<HTMLDivElement>('.JumpDialog-list');\n const jumpFilter = jumpDialog?.querySelector<HTMLInputElement>('.JumpDialog-input');\n const doc = document.querySelector<HTMLDivElement>('.js-documentation');\n\n interface JumpListItem {\n link: HTMLAnchorElement;\n name: string;\n kind: string;\n lower: string;\n }\n\n let jumpListItems: JumpListItem[] | undefined; // All the symbols in the doc; computed only once.\n\n // collectJumpListItems returns a list of items, one for each symbol in the\n // documentation on the current page.\n //\n // It uses the data-kind attribute generated in the documentation HTML to find\n // the symbols and their id attributes.\n //\n // If there are no data-kind attributes, then we have older doc; fall back to\n // a less precise method.\n function collectJumpListItems() {\n const items = [];\n if (!doc) return;\n for (const el of doc.querySelectorAll('[data-kind]')) {\n items.push(newJumpListItem(el));\n }\n\n // Clicking on any of the links closes the dialog.\n for (const item of items) {\n item.link.addEventListener('click', function () {\n jumpDialog?.close();\n });\n }\n // Sort case-insensitively by symbol name.\n items.sort(function (a, b) {\n return a.lower.localeCompare(b.lower);\n });\n return items;\n }\n\n // newJumpListItem creates a new item for the DOM element el.\n // An item is an object with:\n // - name: the element's id (which is the symbol name)\n // - kind: the element's kind (function, variable, etc.),\n // - link: a link ('a' tag) to the element\n // - lower: the name in lower case, just for sorting\n function newJumpListItem(el: Element): JumpListItem {\n const a = document.createElement('a');\n const name = el.getAttribute('id');\n a.setAttribute('href', '#' + name);\n a.setAttribute('tabindex', '-1');\n a.setAttribute('data-gtmc', 'jump to link');\n const kind = el.getAttribute('data-kind');\n return {\n link: a,\n name: name ?? '',\n kind: kind ?? '',\n lower: name?.toLowerCase() ?? '', // for sorting\n };\n }\n\n let lastFilterValue: string; // The last contents of the filter text box.\n let activeJumpItem = -1; // The index of the currently active item in the list.\n\n // updateJumpList sets the elements of the dialog list to\n // everything whose name contains filter.\n function updateJumpList(filter: string) {\n lastFilterValue = filter;\n if (!jumpListItems) {\n jumpListItems = collectJumpListItems();\n }\n setActiveJumpItem(-1);\n\n // Remove all children from list.\n while (jumpList?.firstChild) {\n jumpList.firstChild.remove();\n }\n\n if (filter) {\n // A filter is set. We treat the filter as a substring that can appear in\n // an item name (case insensitive), and find the following matches - in\n // order of priority:\n //\n // 1. Exact matches (the filter matches the item's name exactly)\n // 2. Prefix matches (the item's name starts with filter)\n // 3. Infix matches (the filter is a substring of the item's name)\n const filterLowerCase = filter.toLowerCase();\n\n const exactMatches = [];\n const prefixMatches = [];\n const infixMatches = [];\n\n // makeLinkHtml creates the link name HTML for a list item. item is the DOM\n // item. item.name.substr(boldStart, boldEnd) will be bolded.\n const makeLinkHtml = (item: JumpListItem, boldStart: number, boldEnd: number) => {\n return (\n item.name.substring(0, boldStart) +\n '<b>' +\n item.name.substring(boldStart, boldEnd) +\n '</b>' +\n item.name.substring(boldEnd)\n );\n };\n\n for (const item of jumpListItems ?? []) {\n const nameLowerCase = item.name.toLowerCase();\n\n if (nameLowerCase === filterLowerCase) {\n item.link.innerHTML = makeLinkHtml(item, 0, item.name.length);\n exactMatches.push(item);\n } else if (nameLowerCase.startsWith(filterLowerCase)) {\n item.link.innerHTML = makeLinkHtml(item, 0, filter.length);\n prefixMatches.push(item);\n } else {\n const index = nameLowerCase.indexOf(filterLowerCase);\n if (index > -1) {\n item.link.innerHTML = makeLinkHtml(item, index, index + filter.length);\n infixMatches.push(item);\n }\n }\n }\n\n for (const item of exactMatches.concat(prefixMatches).concat(infixMatches)) {\n jumpList?.appendChild(item.link);\n }\n } else {\n if (!jumpListItems || jumpListItems.length === 0) {\n const msg = document.createElement('i');\n msg.innerHTML = 'There are no symbols on this page.';\n jumpList?.appendChild(msg);\n }\n // No filter set; display all items in their existing order.\n for (const item of jumpListItems ?? []) {\n item.link.innerHTML = item.name + ' <i>' + item.kind + '</i>';\n jumpList?.appendChild(item.link);\n }\n }\n\n if (jumpBody) {\n jumpBody.scrollTop = 0;\n }\n if (jumpListItems?.length && jumpList && jumpList.children.length > 0) {\n setActiveJumpItem(0);\n }\n }\n\n // Set the active jump item to n.\n function setActiveJumpItem(n: number) {\n const cs = jumpList?.children as HTMLCollectionOf<HTMLElement> | null | undefined;\n if (!cs || !jumpBody) {\n return;\n }\n if (activeJumpItem >= 0) {\n cs[activeJumpItem].classList.remove('JumpDialog-active');\n }\n if (n >= cs.length) {\n n = cs.length - 1;\n }\n if (n >= 0) {\n cs[n].classList.add('JumpDialog-active');\n\n // Scroll so the active item is visible.\n // For some reason cs[n].scrollIntoView() doesn't behave as I'd expect:\n // it moves the entire dialog box in the viewport.\n\n // Get the top and bottom of the active item relative to jumpBody.\n const activeTop = cs[n].offsetTop - cs[0].offsetTop;\n const activeBottom = activeTop + cs[n].clientHeight;\n if (activeTop < jumpBody.scrollTop) {\n // Off the top; scroll up.\n jumpBody.scrollTop = activeTop;\n } else if (activeBottom > jumpBody.scrollTop + jumpBody.clientHeight) {\n // Off the bottom; scroll down.\n jumpBody.scrollTop = activeBottom - jumpBody.clientHeight;\n }\n }\n activeJumpItem = n;\n }\n\n // Increment the activeJumpItem by delta.\n function incActiveJumpItem(delta: number) {\n if (activeJumpItem < 0) {\n return;\n }\n let n = activeJumpItem + delta;\n if (n < 0) {\n n = 0;\n }\n setActiveJumpItem(n);\n }\n\n // Pressing a key in the filter updates the list (if the filter actually changed).\n jumpFilter?.addEventListener('keyup', function () {\n if (jumpFilter.value.toUpperCase() != lastFilterValue.toUpperCase()) {\n updateJumpList(jumpFilter.value);\n }\n });\n\n // Pressing enter in the filter selects the first element in the list.\n jumpFilter?.addEventListener('keydown', function (event) {\n const upArrow = 38;\n const downArrow = 40;\n const enterKey = 13;\n switch (event.which) {\n case upArrow:\n incActiveJumpItem(-1);\n event.preventDefault();\n break;\n case downArrow:\n incActiveJumpItem(1);\n event.preventDefault();\n break;\n case enterKey:\n if (activeJumpItem >= 0) {\n if (jumpList) {\n (jumpList.children[activeJumpItem] as HTMLElement).click();\n event.preventDefault();\n }\n }\n break;\n }\n });\n\n const shortcutsDialog = document.querySelector<HTMLDialogElement>('.ShortcutsDialog');\n\n // - Pressing 'f' or 'F' opens the jump-to-symbol dialog.\n // - Pressing '?' opens up the shortcut dialog.\n // Ignore a keypress if a dialog is already open, or if it is pressed on a\n // component that wants to consume it.\n keyboard\n .on('f', 'open jump to modal', e => {\n if (jumpDialog?.open || shortcutsDialog?.open) {\n return;\n }\n e.preventDefault();\n if (jumpFilter) {\n jumpFilter.value = '';\n }\n jumpDialog?.showModal?.();\n jumpFilter?.focus();\n updateJumpList('');\n })\n .on('?', 'open shortcuts modal', () => {\n if (jumpDialog?.open || shortcutsDialog?.open) {\n return;\n }\n shortcutsDialog?.showModal?.();\n });\n\n const jumpOutlineInput = document.querySelector('.js-jumpToInput');\n if (jumpOutlineInput) {\n jumpOutlineInput.addEventListener('click', () => {\n if (jumpFilter) {\n jumpFilter.value = '';\n }\n updateJumpList('');\n if (jumpDialog?.open || shortcutsDialog?.open) {\n return;\n }\n jumpDialog?.showModal?.();\n jumpFilter?.focus();\n });\n }\n\n document.querySelector('.js-openShortcuts')?.addEventListener('click', () => {\n shortcutsDialog?.showModal?.();\n });\n}\n", "/**\n * @license\n * Copyright 2022 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * Left Navigation.\n */\nexport const initJumpLinks = async function () {\n const pagesWithJumpLinks = ['/about'];\n if (!pagesWithJumpLinks.includes(window.location.pathname)) {\n // stop the file from doing anything else if the page doesn't have jumplinks\n return;\n }\n\n // these might be generated or not so don't grab references to the elements until actually need them.\n const titles = 'h2, h3, h4';\n const nav = '.LeftNav a';\n // these are always in the dom so we can get them now and throw errors if they're not.\n const leftNav = document.querySelector('.LeftNav');\n const siteContent = document.querySelector('.go-Content');\n let isObserverDisabled = false;\n\n /**\n * El function\n * @example el('h1', {className: 'title'}, 'Welcome to the site');\n * @example el('ul', {className: 'list'}, el('li', {}, 'Item one'), el('li', {}, 'Item two'), el('li', {}, 'Item three'));\n * @example el('img', {src: '/url.svg'});\n */\n function el(\n type = '',\n props: { [key: string]: string } = {},\n ...children: (HTMLElement | HTMLElement[] | string | undefined)[]\n ) {\n // Error, no type declared.\n if (!type) {\n throw new Error('Provide `type` to create document element.');\n }\n\n // Create element with optional attribute props\n const docEl = Object.assign(document.createElement(type), props);\n\n // Children: array containing strings or elements\n children.forEach(child => {\n if (typeof child === 'string') {\n docEl.appendChild(document.createTextNode(child));\n } else if (Array.isArray(child)) {\n child.forEach(c => docEl.appendChild(c));\n } else if (child instanceof HTMLElement) {\n docEl.appendChild(child);\n }\n });\n\n return docEl;\n }\n /** Build Nav if data hydrate is present. */\n function buildNav() {\n return new Promise((resolve, reject) => {\n let navItems: { id: string; label: string; subnav?: { id: string; label: string }[] }[] = [];\n let elements: HTMLElement[] = [];\n\n if (!siteContent || !leftNav) {\n return reject('.SiteContent not found.');\n }\n if (leftNav instanceof HTMLElement && !leftNav?.dataset?.hydrate) {\n return resolve(true);\n }\n\n for (const title of siteContent.querySelectorAll(titles)) {\n if (title instanceof HTMLElement && !title?.dataset?.ignore) {\n switch (title.tagName) {\n case 'H2':\n navItems = [\n ...navItems,\n {\n id: title.id,\n label: title?.dataset?.title ? title.dataset.title : title.textContent ?? '',\n },\n ];\n break;\n\n case 'H3':\n case 'H4':\n if (!navItems[navItems.length - 1]?.subnav) {\n navItems[navItems.length - 1].subnav = [\n {\n id: title.id,\n label: title?.dataset?.title ? title.dataset.title : title.textContent ?? '',\n },\n ];\n } else if (navItems[navItems.length - 1].subnav) {\n navItems[navItems.length - 1].subnav?.push({\n id: title.id,\n label: title?.dataset?.title ? title.dataset.title : title.textContent ?? '',\n });\n }\n break;\n }\n }\n }\n\n for (const navItem of navItems) {\n const link = el('a', { href: '#' + navItem.id }, el('span', {}, navItem.label));\n elements = [...elements, link];\n if (navItem?.subnav) {\n let subLinks: HTMLElement[] = [];\n for (const subnavItem of navItem.subnav) {\n const subItem = el(\n 'li',\n {},\n el(\n 'a',\n { href: '#' + subnavItem.id },\n el('img', { src: '/static/frontend/about/dot.svg', width: '5', height: '5' }),\n el('span', {}, subnavItem.label)\n )\n );\n subLinks = [...subLinks, subItem];\n }\n const list = el('ul', { className: 'LeftSubnav' }, subLinks);\n elements = [...elements, list];\n }\n }\n\n elements.forEach(element => leftNav.appendChild(element));\n\n return resolve(true);\n });\n }\n /**\n * Set the correct active element.\n */\n function setNav() {\n return new Promise(resolve => {\n if (!document.querySelectorAll(nav)) return resolve(true);\n for (const a of document.querySelectorAll(nav)) {\n if (a instanceof HTMLAnchorElement && a.href === location.href) {\n setElementActive(a);\n break;\n }\n }\n resolve(true);\n });\n }\n /** resetNav: removes all .active from nav elements */\n function resetNav() {\n return new Promise(resolve => {\n if (!document.querySelectorAll(nav)) return resolve(true);\n for (const a of document.querySelectorAll(nav)) {\n a.classList.remove('active');\n }\n resolve(true);\n });\n }\n /** setElementActive: controls resetting nav and highlighting the appropriate nav items */\n function setElementActive(element: HTMLAnchorElement) {\n if (element instanceof HTMLAnchorElement) {\n resetNav().then(() => {\n element.classList.add('active');\n const parent = element?.parentNode?.parentNode;\n if (parent instanceof HTMLElement && parent?.classList?.contains('LeftSubnav')) {\n parent.previousElementSibling?.classList.add('active');\n }\n });\n }\n }\n /** setLinkManually: disables observer and selects the clicked nav item. */\n function setLinkManually() {\n delayObserver();\n const link = document.querySelector('[href=\"' + location.hash + '\"]');\n if (link instanceof HTMLAnchorElement) {\n setElementActive(link);\n }\n }\n /** delayObserver: Quick on off switch for intersection observer. */\n function delayObserver() {\n isObserverDisabled = true;\n setTimeout(() => {\n isObserverDisabled = false;\n }, 200);\n }\n /** observeSections: kicks off observation of titles as well as manual clicks with hashchange */\n function observeSections() {\n window.addEventListener('hashchange', setLinkManually);\n\n if (siteContent?.querySelectorAll(titles)) {\n const callback: IntersectionObserverCallback = entries => {\n if (!isObserverDisabled && Array.isArray(entries) && entries.length > 0) {\n for (const entry of entries) {\n if (entry.isIntersecting && entry.target instanceof HTMLElement) {\n const { id } = entry.target;\n const link = document.querySelector('[href=\"#' + id + '\"]');\n if (link instanceof HTMLAnchorElement) {\n setElementActive(link);\n }\n break;\n }\n }\n }\n };\n // rootMargin is important when multiple sections are in the observable area **on page load**.\n // they will still be highlighted on scroll because of the root margin.\n const ob = new IntersectionObserver(callback, {\n threshold: 0,\n rootMargin: '0px 0px -50% 0px',\n });\n for (const title of siteContent.querySelectorAll(titles)) {\n if (title instanceof HTMLElement && !title?.dataset?.ignore) {\n ob.observe(title);\n }\n }\n }\n }\n\n try {\n await buildNav();\n await setNav();\n if (location.hash) {\n delayObserver();\n }\n observeSections();\n } catch (e) {\n if (e instanceof Error) {\n console.error(e.message);\n } else {\n console.error(e);\n }\n }\n};\n", "/**\n * @license\n * Copyright 2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nimport { registerHeaderListeners, registerSearchFormListeners } from 'static/shared/header/header';\nimport { CarouselController } from 'static/shared/carousel/carousel';\nimport { ClipboardController } from 'static/shared/clipboard/clipboard';\nimport { ToolTipController } from 'static/shared/tooltip/tooltip';\nimport { SelectNavController } from 'static/shared/outline/select';\nimport { ModalController } from 'static/shared/modal/modal';\nimport { initModals } from 'static/shared/jump/jump';\n\nimport { keyboard } from 'static/shared/keyboard/keyboard';\nimport * as analytics from 'static/shared/analytics/analytics';\nimport { initJumpLinks } from './about/index';\n\nwindow.addEventListener('load', () => {\n for (const el of document.querySelectorAll<HTMLButtonElement>('.js-clipboard')) {\n new ClipboardController(el);\n }\n\n for (const el of document.querySelectorAll<HTMLDialogElement>('.js-modal')) {\n new ModalController(el);\n }\n\n for (const t of document.querySelectorAll<HTMLDetailsElement>('.js-tooltip')) {\n new ToolTipController(t);\n }\n\n for (const el of document.querySelectorAll<HTMLSelectElement>('.js-selectNav')) {\n new SelectNavController(el);\n }\n\n for (const el of document.querySelectorAll<HTMLSelectElement>('.js-carousel')) {\n new CarouselController(el);\n }\n\n for (const el of document.querySelectorAll('.js-toggleTheme')) {\n el.addEventListener('click', () => {\n toggleTheme();\n });\n }\n\n if (document.querySelector<HTMLElement>('.js-gtmID')?.dataset.gtmid && window.dataLayer) {\n analytics.func(function () {\n removeUTMSource();\n });\n } else {\n removeUTMSource();\n }\n\n registerHeaderListeners();\n registerSearchFormListeners();\n initModals();\n initJumpLinks();\n registerCookieNotice();\n});\n\n// Pressing '/' focuses the search box\nkeyboard.on('/', 'focus search', e => {\n const searchInput = Array.from(\n document.querySelectorAll<HTMLInputElement>('.js-searchFocus')\n ).pop();\n // Favoring the Firefox quick find feature over search input\n // focus. See: https://github.com/golang/go/issues/41093.\n if (searchInput && !window.navigator.userAgent.includes('Firefox')) {\n e.preventDefault();\n searchInput.focus();\n }\n});\n\n// Pressing 'y' changes the browser URL to the canonical URL\n// without triggering a reload.\nkeyboard.on('y', 'set canonical url', () => {\n let canonicalURLPath = document.querySelector<HTMLDivElement>('.js-canonicalURLPath')?.dataset[\n 'canonicalUrlPath'\n ];\n if (canonicalURLPath && canonicalURLPath !== '') {\n const fragment = window.location.hash;\n if (fragment) {\n canonicalURLPath += fragment;\n }\n window.history.replaceState(null, '', canonicalURLPath);\n }\n});\n\n/**\n * setupGoogleTagManager initializes Google Tag Manager.\n */\n(function setupGoogleTagManager() {\n analytics.track({\n 'gtm.start': new Date().getTime(),\n event: 'gtm.js',\n });\n})();\n\n/**\n * removeUTMSource removes the utm_source GET parameter if present.\n * This is done using JavaScript, so that the utm_source is still\n * captured by Google Analytics.\n */\nfunction removeUTMSource() {\n const urlParams = new URLSearchParams(window.location.search);\n const utmSource = urlParams.get('utm_source');\n if (utmSource !== 'gopls' && utmSource !== 'godoc' && utmSource !== 'pkggodev') {\n return;\n }\n\n /** Strip the utm_source query parameter and replace the URL. **/\n const newURL = new URL(window.location.href);\n urlParams.delete('utm_source');\n newURL.search = urlParams.toString();\n window.history.replaceState(null, '', newURL.toString());\n}\n\n/**\n * toggleTheme switches the preferred color scheme between auto, light, and dark.\n */\nfunction toggleTheme() {\n let nextTheme = 'dark';\n const theme = document.documentElement.getAttribute('data-theme');\n if (theme === 'dark') {\n nextTheme = 'light';\n } else if (theme === 'light') {\n nextTheme = 'auto';\n }\n let domain = '';\n if (location.hostname.endsWith('go.dev')) {\n domain = 'domain=.go.dev;';\n }\n document.documentElement.setAttribute('data-theme', nextTheme);\n document.cookie = `prefers-color-scheme=${nextTheme};${domain}path=/;max-age=31536000;`;\n}\n\n/**\n * registerCookieNotice makes the cookie notice visible and adds listeners to dismiss it\n * if it has not yet been acknowledge by the user.\n */\nfunction registerCookieNotice() {\n const themeCookie = document.cookie.match(/cookie-consent=true/);\n if (!themeCookie) {\n const notice = document.querySelector('.js-cookieNotice');\n const button = notice?.querySelector('button');\n notice?.classList.add('Cookie-notice--visible');\n button?.addEventListener('click', () => {\n let domain = '';\n if (location.hostname.endsWith('go.dev')) {\n // Apply the cookie to *.go.dev.\n domain = 'domain=.go.dev;';\n }\n document.cookie = `cookie-consent=true;${domain}path=/;max-age=31536000`;\n notice?.remove();\n });\n }\n}\n"],
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+ "names": ["registerHeaderListeners", "header", "menuItemHover", "e", "target", "forced", "toggleForcedOpen", "_a", "_b", "isForced", "currentTarget", "event", "headerbuttons", "button", "isActive", "handleNavigationDrawerInactive", "handleNavigationDrawerActive", "scrim", "subnav", "getNavigationDrawerMenuItems", "navigationDrawer", "menuItems", "anchorEl", "getNavigationDrawerIsSubnav", "parentMenuItem", "item", "handleMenuItemTabLeftFactory", "handleMenuItemTabRightFactory", "prepMobileNavigationDrawer", "isSubnav", "parentLi", "submenu", "drawer", "registerSearchFormListeners", "searchForm", "expandSearch", "input", "headerLogo", "menuButton", "CarouselController", "el", "index", "d", "s", "_a", "i", "v", "_b", "arrows", "dots", "li", "button", "ClipboardController", "el", "_a", "_b", "_c", "_d", "_e", "e", "TOOLTIP_SHOW_DURATION_MS", "text", "durationMs", "ToolTipController", "el", "e", "SelectNavController", "el", "e", "target", "href", "ModalController", "el", "button", "_a", "btn", "track", "event", "category", "action", "label", "_a", "func", "fn", "KeyboardController", "key", "description", "callback", "options", "_a", "_b", "handler", "t", "track", "keyboard", "initModals", "_a", "jumpDialog", "jumpBody", "jumpList", "jumpFilter", "doc", "jumpListItems", "collectJumpListItems", "items", "el", "newJumpListItem", "item", "a", "b", "name", "kind", "lastFilterValue", "activeJumpItem", "updateJumpList", "filter", "setActiveJumpItem", "filterLowerCase", "exactMatches", "prefixMatches", "infixMatches", "makeLinkHtml", "boldStart", "boldEnd", "nameLowerCase", "index", "msg", "n", "cs", "activeTop", "activeBottom", "incActiveJumpItem", "delta", "event", "shortcutsDialog", "keyboard", "e", "jumpOutlineInput", "initJumpLinks", "titles", "nav", "leftNav", "siteContent", "isObserverDisabled", "el", "type", "props", "children", "docEl", "child", "c", "buildNav", "resolve", "reject", "_a", "_b", "_c", "_d", "_e", "_f", "_g", "_h", "_i", "_j", "navItems", "elements", "title", "navItem", "link", "subLinks", "subnavItem", "subItem", "list", "element", "setNav", "a", "setElementActive", "resetNav", "parent", "setLinkManually", "delayObserver", "observeSections", "callback", "entries", "entry", "id", "ob", "e", "_a", "el", "ClipboardController", "ModalController", "t", "ToolTipController", "SelectNavController", "CarouselController", "toggleTheme", "func", "removeUTMSource", "registerHeaderListeners", "registerSearchFormListeners", "initModals", "initJumpLinks", "registerCookieNotice", "keyboard", "e", "searchInput", "canonicalURLPath", "fragment", "track", "urlParams", "utmSource", "newURL", "nextTheme", "theme", "domain", "notice", "button"]
}
diff --git a/static/frontend/frontend.min.css b/static/frontend/frontend.min.css
index f89d737..8ddfb9f 100644
--- a/static/frontend/frontend.min.css
+++ b/static/frontend/frontend.min.css
@@ -3,7 +3,7 @@
* Use of this source code is governed by a BSD-style
* license that can be found in the LICENSE file.
*/
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var(--color-button-inverted-text)}.go-Button:focus{filter:contrast(.95)}.go-Button--inverted:focus{border-color:var(--color-button-inverted-text)}.go-Button:active{box-shadow:none;filter:contrast(.85)}.go-Button:disabled{background-color:var(--color-button-disabled);box-shadow:none;color:var(--color-button-text-disabled);cursor:initial;filter:none;text-decoration:none}.go-Button--accented:disabled{background-color:var(--color-button-accented-disabled);color:var(--color-button-accented-text-disabled)}.go-Button--inverted:disabled,.go-Button--text:disabled,.go-Button--inline:disabled{background-color:var(--color-button-inverted-disabled);color:var(--color-button-inverted-text-disabled)}.go-Button--inline:disabled{background-color:transparent}.go-Breadcrumb ol{line-height:1.5rem;white-space:initial}.go-Breadcrumb li{align-items:center;color:var(--color-text-subtle);display:inline-flex;font-size:.875rem}.go-Breadcrumb li:not(:last-child):after{content:">";padding:0 .5rem}.go-Breadcrumb li:last-child>a{color:var(--color-text-subtle)}.go-Breadcrumb li>.go-Clipboard{margin:0 .5rem}.go-Carousel{align-items:center;display:flex;flex-direction:column;position:relative;text-align:center}.go-Carousel-slide{margin:.5rem 3rem}.go-Carousel-slide[aria-hidden]{display:none}.go-Carousel-prevSlide{left:0}.go-Carousel-nextSlide{right:0}.go-Carousel-prevSlide,.go-Carousel-nextSlide{background-color:transparent;border-radius:var(--border-radius);font-size:1.5rem;height:2.75rem;margin-top:-1.375rem;opacity:0;position:absolute;top:50%;width:2.75rem}.go-Carousel-prevSlide:hover,.go-Carousel-nextSlide:hover{background-color:var(--color-background-accented);cursor:pointer}.go-Carousel:hover .go-Carousel-prevSlide,.go-Carousel:hover .go-Carousel-nextSlide,.go-Carousel:focus-within .go-Carousel-prevSlide,.go-Carousel:focus-within 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.3rem;position:absolute;text-transform:uppercase;top:.125rem;white-space:nowrap;z-index:1000}.go-Clipboard:after{border-bottom:.25rem solid transparent;border-left:0;border-right:.25rem solid var(--color-background-inverted);border-top:.25rem solid transparent;content:"";display:block;position:absolute;right:-.125rem;top:.5625rem;z-index:1000}.go-Clipboard:not([data-tooltip]):before,.go-Clipboard:not([data-tooltip]):after,.go-Clipboard[data-tooltip=""]:before,.go-Clipboard[data-tooltip=""]:after{display:none}:root{--gray-1: #202224;--gray-2: #3e4042;--gray-3: #555759;--gray-4: #6e7072;--gray-5: #848688;--gray-6: #aaacae;--gray-7: #c6c8ca;--gray-8: #dcdee0;--gray-9: #f0f1f2;--gray-10: #f8f8f8;--turq-light: #5dc9e2;--turq-med: #50b7e0;--turq-dark: #007d9c;--blue: #bfeaf4;--blue-light: #f2fafd;--black: #000;--green: #3a6e11;--green-light: #5fda64;--pink: #c85e7a;--pink-light: #fdecf1;--purple: #542c7d;--slate: #253443;--white: #fff;--yellow: #fceea5;--yellow-light: #fff8cc;--color-brand-primary: var(--turq-dark);--color-background: var(--white);--color-background-inverted: var(--slate);--color-background-accented: var(--gray-10);--color-background-highlighted: var(--blue);--color-background-highlighted-link: var(--blue-light);--color-background-info: var(--gray-9);--color-background-warning: var(--yellow-light);--color-background-alert: var(--pink-light);--color-border: var(--gray-7);--color-text: var(--gray-1);--color-text-subtle: var(--gray-4);--color-text-link: var(--turq-dark);--color-text-inverted: var(--white);--color-code-comment: var(--green);--color-input: var(--color-background);--color-input-text: var(--color-text);--color-button: var(--turq-dark);--color-button-disabled: var(--gray-9);--color-button-text: var(--white);--color-button-text-disabled: var(--gray-3);--color-button-inverted: var(--color-background);--color-button-inverted-disabled: var(--color-background);--color-button-inverted-text: var(--color-brand-primary);--color-button-inverted-text-disabled: var(--color-text-subtle);--color-button-accented: var(--yellow);--color-button-accented-disabled: var(--gray-9);--color-button-accented-text: var(--gray-1);--color-button-accented-text-disabled: var(--gray-3)}[data-theme=dark]{--color-brand-primary: var(--turq-med);--color-background: var(--gray-1);--color-background-accented: var(--gray-2);--color-background-highlighted: var(--gray-2);--color-background-highlighted-link: var(--gray-2);--color-background-info: var(--gray-3);--color-background-warning: var(--yellow);--color-background-alert: var(--pink);--color-border: var(--gray-4);--color-text: var(--gray-9);--color-text-link: var(--turq-med);--color-text-subtle: var(--gray-7);--color-code-comment: var(--green-light)}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--color-brand-primary: var(--turq-med);--color-background: var(--gray-1);--color-background-accented: var(--gray-2);--color-background-highlighted: var(--gray-2);--color-background-highlighted-link: var(--gray-2);--color-background-info: var(--gray-3);--color-background-warning: var(--yellow);--color-background-alert: var(--pink);--color-border: var(--gray-4);--color-text: var(--gray-9);--color-text-link: var(--turq-med);--color-text-subtle: var(--gray-7);--color-code-comment: var(--green-light)}}.go-Footer{background-color:var(--color-background-inverted);color:var(--color-text-inverted);font-size:.875rem;width:100%}[data-local=true] .go-Footer{display:none}.go-Footer-links{display:flex;flex-wrap:wrap;justify-content:space-between;margin:auto;max-width:75.75rem;padding:2rem 1.5rem 2.625rem}.go-Footer-linkColumn{flex:0 0 9.5rem}.go-Footer .go-Footer-link{color:var(--color-text-inverted);display:flex;flex:1;font-size:.875rem;line-height:2rem}.go-Footer .go-Footer-link--primary{font-size:1.125rem;line-height:1.75rem;margin-bottom:.5rem;margin-top:.75rem}.go-Footer-bottom{align-items:center;border-top:var(--border);display:flex;margin:0 1.5rem;min-height:4.125rem}.go-Footer-gopher{align-self:flex-end;height:3.147rem;width:5rem}.go-Footer-listRow{display:flex;flex:1;flex-wrap:wrap;list-style:none;margin:0;padding:0;text-align:center}.go-Footer-listItem{align-items:center;display:flex;flex:1 100%;justify-content:center;margin:.4rem 0;padding:0 1rem}.go-Footer-listItem a:link,.go-Footer-listItem a:visited{color:var(--color-text-inverted)}.go-Footer-listItem .go-Button--text{background-color:transparent;font-size:1rem;margin:-.5rem 0}.go-Footer-listItem [data-value]{display:none}[data-theme=auto] .go-Footer-listItem [data-value=auto],:root:not([data-theme]) .go-Footer-listItem [data-value=auto]{display:initial}[data-theme=dark] .go-Footer-listItem [data-value=dark],[data-theme=light] .go-Footer-listItem [data-value=light]{display:initial}.go-Footer-toggleTheme,.go-Footer-keyboard{margin:0 0 .5rem}.go-Footer-googleLogo{align-self:flex-end;height:1.5rem;margin-bottom:1.3rem;text-align:right}.go-Footer-googleLogoImg{height:1.5rem;width:4.529rem}@media only screen and (min-width: 52rem){.go-Footer-listItem{flex:initial}.go-Footer-listItem+.go-Footer-listItem{border-left:var(--border)}.go-Footer-toggleTheme{margin:0 0 0 -.5rem}.go-Footer-keyboard{margin:0}}select:focus:not([disabled]),input:focus:not([disabled]){border-color:var(--color-brand-primary);box-shadow:var(--focus-box-shadow);outline:transparent;z-index:2}input::placeholder{color:var(--color-text-subtle)}.go-Form{align-items:start;display:flex;flex-direction:column;gap:1rem}.go-Label{display:flex;flex-direction:column;gap:.5rem}.go-Label--inline{align-items:center;flex-direction:row}.go-Label legend{margin-bottom:.5rem}.go-Label--inline legend{float:left;margin-bottom:0}.go-Input,.go-Select{background:var(--color-input);border:var(--border);border-radius:var(--border-radius);color:var(--color-input-text)}.go-Input{padding:.4063rem .5rem}.go-Select{appearance:none;background:url(/static/shared/icon/arrow_drop_down_gm_grey_24dp.svg) right no-repeat;background-color:var(--color-background);background-position:right center;border-radius:var(--border-radius);margin:0;padding:.3438rem 1.25rem .3438rem .5rem}.go-InputGroup{display:flex}.go-InputGroup .go-Input{flex:1}.go-InputGroup>:not(:first-child,:last-child){border-radius:0;margin-left:-.0625rem}.go-InputGroup>:first-child{border-bottom-right-radius:0;border-top-right-radius:0}.go-InputGroup>:last-child{border-bottom-left-radius:0;border-top-left-radius:0;margin-left:-.0625rem}.go-InputGroup>*:hover,.go-InputGroup>*:focus{z-index:1}.go-ShortcutKey{display:flex;position:relative}.go-ShortcutKey .go-Input{flex-grow:1}.go-ShortcutKey:after{align-self:center;background-color:var(--color-background-accented);border-radius:.5rem;color:var(--gray-6);content:attr(data-shortcut);content:attr(data-shortcut) / attr(data-shortcut-alt);display:none;font-size:.75rem;padding:.0625rem 0;position:absolute;right:.75rem;text-align:center;width:1.5rem;z-index:1}@media only screen and (min-width: 52rem){.go-ShortcutKey:after{display:initial}}.go-GopherMessage img{display:block;height:15rem;margin:0 auto;padding:1.25rem 0;width:15rem}.go-GopherMessage p{font-weight:600;margin:auto;text-align:center}.go-Banner{background-color:var(--gray-1);display:none}.go-Banner-inner{align-items:center;display:flex;justify-content:space-between;margin:0 auto;min-height:2.5rem;padding:.5rem var(--gutter)}.Site--wide .go-Banner-inner{max-width:98rem}.go-Banner--full .go-Banner-inner{max-width:unset}.go-Banner-message{color:var(--white);margin-right:1.25rem}.go-Banner-action:link,.go-Banner-action:visited{color:var(--white);text-decoration:underline;white-space:nowrap}@media only screen and (min-width: 52rem){.go-Banner{display:block}}.go-Header{background:#007d9c;border-bottom:none;box-shadow:0 .0625rem .125rem #ababab4d;top:0;width:100%;z-index:20}.go-Header-inner{margin:0 auto;padding:0 var(--gutter)}.Site--wide .go-Header-inner{max-width:98rem}.go-Header--full .go-Header-inner{max-width:initial}.go-Header-nav{align-items:center;display:flex;height:3.5rem;justify-content:space-between}.go-Header-rightContent{align-items:center;display:flex;height:100%;justify-content:flex-end;width:100%}.go-Header-rightContent form{flex-grow:1}.go-Header-inner--dark{border-bottom:none;color:var(--white)}.go-Header-logo{display:block;height:2rem;margin-right:2.25rem;width:5.125rem}.go-Header-logo--hidden{display:none}.go-Header-menuItem{display:none;position:relative}.go-Header-menu{align-items:stretch;display:flex;height:100%;list-style:none;margin:0;padding:0}[data-local=true] .go-Header-menu{display:none}.go-Header-submenu{background:transparent;background-color:var(--color-background);border:.0625rem solid #007d9d;border-width:0 .0625rem .0625rem;color:var(--color-text);display:none;flex-flow:column wrap;list-style-type:none;margin-top:3.5rem;opacity:0;padding:1.5rem 1.5rem 0;position:absolute;transition:all .2s ease;visibility:hidden}.go-Header-menuItem:hover>.js-desktop-menu-hover:not(.forced-closed)~.go-Header-submenu,.go-Header-menuItem:focus-within>.js-desktop-menu-hover:not(.forced-closed)~.go-Header-submenu{display:flex;opacity:1;visibility:visible}.go-Header-menuItem .go-Header-submenuItem a:link,.go-Header-menuItem .go-Header-submenuItem a:visited{align-items:baseline;border-bottom:none;color:var(--color-text-link);display:inline-flex;font-weight:400;margin:0;margin-bottom:-.125rem;padding:0}.go-Header-menuItem .go-Icon{filter:brightness(0%) saturate(100%) invert(100%);font-size:1.25rem}.go-Header-menuItem .go-Header-submenuItem .go-Icon,.go-NavigationDrawer-listItem .go-Icon{filter:brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(162deg) brightness(71%) contrast(177%)}.go-Header-submenu .go-Header-submenuItem i{font-size:.75rem;margin-left:.25rem;transform:translateY(.1rem)}.go-Header-menu .go-Header-submenu--why{left:-.0625rem;width:18.5rem}.go-Header-menu .go-Header-submenu--docs{height:20.78rem;left:-12rem;width:37.25rem}.go-Header-menu .go-Header-submenu--community{height:18.4rem;right:-.0625rem;width:37.25rem}.go-Header-socialIcons{display:flex;flex-wrap:wrap}.go-Header-submenu .go-Header-submenuItem a.go-Header-socialIcon{display:inline-flex;flex:0 1 auto;width:auto}.go-Header-submenu .go-Header-submenuItem a.go-Header-socialIcon:not(:last-child){margin-right:.75rem}@media only screen and (min-width: 65rem){.go-Header-menuItem{align-items:stretch;display:inline-flex;flex:none}.go-Header-menu{justify-content:flex-end}.go-Header-navOpen{display:none}}.go-Header-menuItem .js-desktop-menu-hover img{pointer-events:none}.go-Header-menuItem a:link,.go-Header-menuItem a:visited{align-items:center;border-bottom:.1875rem solid transparent;border-top:.1875rem solid transparent;color:var(--color-text);display:inline-flex;padding:0 1.5rem;text-align:center;text-decoration:none;width:100%}.go-Header-menuItem--active a:link,.go-Header-menuItem--active a:visited{border-bottom-color:var(--turq-med);font-weight:700}.go-Header-menuItem a:hover{border-bottom-color:var(--white)}.go-Header-menuItem:hover>a:not(.forced-closed).js-desktop-menu-hover,.go-Header-menuItem:focus-within>a:not(.forced-closed).js-desktop-menu-hover{background:var(--white);border-color:var(--white);color:var(--color-text-link)}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .go-Header-menuItem:hover>a:not(.forced-closed).js-desktop-menu-hover .go-Icon,:root:not([data-theme="light"]) .go-Header-menuItem:focus-within>a:not(.forced-closed).js-desktop-menu-hover .go-Icon{filter:brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(158deg) brightness(83%) contrast(157%)}:root:not([data-theme="light"]) .go-Header-submenuItem .go-Icon:not(.go-Icon--accented){filter:brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(163deg) brightness(80%) contrast(157%)}}.go-NavigationDrawer-listItem>div:not(.go-NavigationDrawer),.go-NavigationDrawer-listItem a:link,.go-NavigationDrawer-listItem a:visited{display:block;margin:0 1rem;padding:.5rem}.go-NavigationDrawer-listItem>span{color:var(--gray-2)}.go-Header-inner--dark .go-Header-menuItem a:link,.go-Header-inner--dark .go-Header-menuItem a:visited{color:var(--white)}.go-NavigationDrawer-listItem.go-NavigationDrawer-hasSubnav>a i{float:right}.go-Header-inner--dark .go-Header-menuItem .go-Header-submenuItem{color:var(--color-text-link)}.go-Header-inner--dark .go-Header-menuItem .js-desktop-menu-hover.is-expanded{background-color:var(--white);color:var(--color-text-link)}.go-Header-inner--dark .go-Header-menuItem .go-Header-submenu a:link,.go-Header-inner--dark .go-Header-menuItem .go-Header-submenu a:visited{align-items:baseline;color:var(--color-text-link);display:inline-flex;margin-bottom:-.125rem;width:auto}.go-Header-submenu .go-Header-submenuItem a:link,.go-Header-submenu .go-Header-submenuItem a:visited{border-bottom:none;font-weight:400;margin:0;padding:0}.go-Header-inner--dark .go-Header-menuItem:hover>a:not(.forced-closed).js-desktop-menu-hover,.go-Header-inner--dark .go-Header-menuItem:focus-within>a:not(.forced-closed).js-desktop-menu-hover{background:var(--color-background);border-color:var(--color-background)}.go-Header-submenu p{max-width:15.5rem}.go-Header-submenu a:link:hover,.go-Header-submenu a:visited:hover{border-bottom:.125rem solid var(--turq-dark);text-decoration:none}.go-Header-submenu a:link:hover>*,.go-Header-submenu a:visited:hover>*{text-decoration:none}.go-Header-submenu .go-Header-submenuItem{line-height:1;padding-bottom:1.5rem}.go-Header-submenu .go-Header-submenuItem p{color:var(--color-text-subtle);font-size:.875rem;margin-top:.55rem}.go-Header-inner--dark .go-Header-submenu .go-Header-submenuItem p{color:var(--color-text-subtle)}.go-Header-navOpen{background:no-repeat center/2rem url(/images/menu-24px.svg);border:none;height:2.5rem;margin-left:1rem;width:2.5rem}.go-Header-navOpen--hidden{display:none}.go-Header-navOpen--white{background:no-repeat center/2rem url(/static/shared/icon/menu_gm_grey_24dp.svg);filter:brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg) brightness(103%) contrast(107%)}.go-SearchForm--expanded{flex-grow:1}.go-SearchForm-form{display:none}.go-SearchForm-form:after{right:2.75rem}.go-SearchForm--expanded .go-SearchForm-form{display:flex}.go-SearchForm-expandSearch{appearance:none;background:none;font-size:1.5rem}.go-SearchForm--expanded .go-SearchForm-expandSearch{display:none}@media only screen and (min-width: 32rem){.go-Header-rightContent{width:100%}.go-SearchForm{flex:1}.go-SearchForm-form{display:flex}.go-SearchForm-expandSearch{display:none}.go-Header-logo--hidden{display:initial}}.go-NavigationDrawer{background:var(--color-background);height:100%;left:auto;max-width:27rem;position:fixed;right:0;top:0;transform:translate(100%);transition:transform .1s ease-in-out;width:85%;z-index:30}@media only screen and (min-width: 65rem){.go-NavigationDrawer{display:none}}.go-NavigationDrawer.is-active{transform:translate(0)}.go-NavigationDrawer-header{border-bottom:.0625rem solid #eee;margin-bottom:.5rem}.go-NavigationDrawer-submenuItem{width:100%}.go-NavigationDrawer-submenuItem .go-NavigationDrawer-header{align-items:center;color:var(--color-text-link);display:flex;font-size:1.375rem;justify-content:flex-start;min-height:4.0625rem;padding:.5rem .5rem .5rem 1.5rem}.go-NavigationDrawer-submenuItem .go-NavigationDrawer-header>a{display:flex;margin-left:0}.go-NavigationDrawer-logo{display:block;height:2rem;margin:1rem;width:5.125rem}.go-NavigationDrawer-list{list-style:none;margin:0;padding:0}.go-NavigationDrawer-listItem{color:var(--color-text-subtle);font-size:1.125rem;margin:0 .5rem}.go-NavigationDrawer-listItem--active{background-color:var(--blue);border-radius:.4rem}.go-NavigationDrawer-listItem .material-icons{color:var(--color-brand-primary);display:inline-block;margin-right:.5rem;text-decoration:none;vertical-align:sub}@media only screen and (max-width: 57.7rem){.go-NavigationDrawer-listItem .go-Header-socialIcons{padding:.5rem 0}.go-NavigationDrawer-listItem a.go-Header-socialIcon{display:inline-block;margin:0;padding:0 .5rem}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .go-NavigationDrawer-listItem .go-Icon:not(.go-Icon--accented){filter:brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(163deg) brightness(80%) contrast(157%)}}}.go-NavigationDrawer-scrim{display:none;height:100%;left:0;position:fixed;top:0;width:100%;z-index:20}.go-NavigationDrawer.is-active+.go-NavigationDrawer-scrim{background-color:var(--gray-1);display:block;opacity:.32}.depsdev-Icon{height:1.125em;vertical-align:text-bottom;width:auto}.go-Icon{filter:none;height:1.125em;vertical-align:text-bottom;width:auto}.go-Icon--accented{filter:brightness(0) invert(45%) sepia(94%) saturate(6735%) hue-rotate(176deg) brightness(94%) contrast(101%)}.go-Icon--inverted{filter:brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg) brightness(103%) contrast(107%)}[data-theme=dark] .go-Icon:not(.go-Icon--accented){filter:brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg) brightness(103%) contrast(107%)}[data-theme=dark] .go-Icon--accented{filter:brightness(0) invert(69%) sepia(46%) saturate(466%) hue-rotate(153deg) brightness(90%) contrast(88%)}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .go-Icon:not(.go-Icon--accented){filter:brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg) brightness(103%) contrast(107%)}:root:not([data-theme="light"]) .go-Icon--accented{filter:brightness(0) invert(57%) sepia(63%) saturate(4864%) hue-rotate(160deg) brightness(100%) contrast(101%)}}.go-Message{color:var(--color-text);font-size:.875rem;line-height:1.5rem;padding:.25rem .5rem;width:100%}.go-Message--notice{background-color:var(--color-background-info)}.go-Message--warning{background-color:var(--color-background-warning);color:var(--gray-1)}.go-Message--alert{background-color:var(--color-background-alert)}.go-Message>.go-Icon{vertical-align:text-top}[data-theme=dark] .go-Message a:not(:hover){color:var(--color-text);text-decoration:underline}[data-theme=dark] .go-Message--warning .go-Icon{filter:none}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .go-Message--warning .go-Icon{filter:none}}dialog{position:absolute;left:0;right:0;width:-moz-fit-content;width:-webkit-fit-content;width:fit-content;height:-moz-fit-content;height:-webkit-fit-content;height:fit-content;margin:auto;border:solid;padding:1em;background:white;color:#000;display:block}dialog:not([open]){display:none}dialog+.backdrop{position:fixed;inset:0;background:rgba(0,0,0,.1)}._dialog_overlay{position:fixed;inset:0}dialog.fixed{position:fixed;top:50%;transform:translateY(-50%)}.go-Modal{background:var(--color-background);border:var(--border);border-radius:var(--border-radius);bottom:0;box-shadow:var(--box-shadow);color:var(--color-text);display:flex;flex-direction:column;gap:1rem;max-height:100%;max-width:100%;position:fixed;top:0}.go-Modal>form{display:contents}.go-Modal--small{width:20rem}.go-Modal--md{width:30rem}.go-Modal--lg{width:40rem}.go-Modal-header{display:flex;justify-content:space-between}.go-Modal-header h2{font-size:1.15rem;line-height:1.25rem}.go-Modal-body{flex-grow:1;min-height:2rem;min-width:18rem}.go-Modal-actions{text-align:right}@media not all and (min-resolution: .001dpcm){@supports (-webkit-appearance: none){.go-Modal{padding-bottom:0}}}.go-Tree{--js-tree-height: 0;display:flex;flex-direction:column}.go-Tree ul{list-style:none;padding-left:0}.go-Tree li:last-of-type{padding-bottom:.25rem}.go-Tree a+ul{display:none}.go-Tree a[aria-expanded=true]+ul[role=group]{display:block}.go-Tree a[aria-level="1"]+ul[role=group]{max-height:calc(100vh - var(--js-tree-height, 0) - var(--js-sticky-header-height, 3.5rem) - 5rem);overflow-y:auto;padding:.5rem .25rem 0}.go-Tree a{color:var(--color-text-subtle);display:block;line-height:1.5rem;overflow:hidden;padding:.125rem 0 .125rem 1.25rem;position:relative;text-overflow:ellipsis;user-select:none;white-space:nowrap}.go-Tree>li>a,.go-Tree a[aria-level="1"]{display:block;font-size:1rem;font-weight:500;line-height:2.5rem;padding:0 1rem}.go-Tree a:focus,.go-Tree a:hover{text-decoration:underline;z-index:1}.go-Tree a[aria-selected=true]{color:var(--color-text);font-weight:500}.go-Tree a[aria-level="1"][aria-selected=true],.go-Tree a[aria-level="1"][aria-expanded=true]{background-color:var(--color-background-accented)}.go-Tree a[aria-level="3"][aria-expanded=true]{margin-bottom:.375em}.go-Tree a[aria-level="2"]{margin-bottom:.25rem;position:relative}.go-Tree a[aria-level="3"]{padding-left:2.5rem}.go-Tree a[aria-level="4"]{border-left:.125rem solid var(--color-background-accented);margin-left:2.5rem;padding-left:.5rem}.go-Tree a[aria-selected=true][aria-level="2"]:not([aria-expanded]):before,.go-Tree a[aria-selected=true][aria-level="3"]:not([aria-expanded]):before{background-color:var(--color-brand-primary);border-radius:50%;content:"";display:block;height:.3125rem;left:.4688rem;position:absolute;top:.75rem;width:.3125rem}.go-Tree a[aria-expanded][aria-owns][aria-level="2"]:before,.go-Tree a[aria-expanded][aria-owns][aria-level="3"]:before{border-bottom:.25rem solid transparent;border-left:.25rem solid var(--color-border);border-right:0;border-top:.25rem solid transparent;content:"";display:block;height:0;left:.5rem;position:absolute;top:.625rem;transition:transform .1s linear;width:0}.go-Tree a[aria-expanded=true][aria-level="2"]:before,.go-Tree a[aria-expanded=true][aria-level="3"]:before{transform:rotate(90deg)}.go-Tree a[aria-expanded][aria-level="3"]:not([empty]):before,.go-Tree a[aria-selected][aria-level="3"]:not([empty]):before{left:1.5rem;top:.75rem}.go-Tree a[aria-selected=true][aria-level="4"]{border-left:.125rem solid var(--color-brand-primary)}.go-TabNav{margin:0 0 .5rem}.go-TabNav ul{display:flex;gap:2rem}.go-TabNav li{border-bottom:.25rem transparent solid;display:flex;font-size:1rem;height:2.375rem;padding:0 .25rem}.go-TabNav li[aria-current],.go-TabNav li:hover{border-color:var(--color-brand-primary)}.go-TabNav a{align-items:center;color:var(--color-text-subtle);display:inline-flex}.go-TabNav li:hover a{text-decoration:none}.go-TabNav li[aria-current] a{color:var(--color-text)}.go-Tooltip{border-radius:var(--border-radius);cursor:pointer;display:inline-block;position:relative}.go-Tooltip>summary{list-style:none}.go-Tooltip>summary::-webkit-details-marker,.go-Tooltip>summary::marker{display:none}.go-Tooltip>summary>img{vertical-align:text-bottom}.go-Tooltip p{background:var(--color-background) 80%;border:var(--border);border-radius:var(--border-radius);color:var(--color-text);font-size:.75rem;letter-spacing:.0187rem;line-height:1rem;padding:.5rem;position:absolute;top:1.5rem;white-space:normal;width:12rem;z-index:100}:root{--gutter: 1.5rem;--gap: 1rem;--scroll-margin: calc( var(--js-sticky-header-height, 3.5rem) + var(--js-sticky-nav-height, 0) + 2rem );--border: .0625rem solid var(--color-border);--border-radius: .25rem;--box-shadow: 0 0 .375rem 0 rgb(0 0 0 / 25%);--focus-box-shadow: 0 0 .0625rem .0625rem rgb(0 112 210 / 60%)}[data-theme=dark]{--box-shadow: 0 .3125rem .9375rem rgb(0 0 0 / 45%)}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--box-shadow: 0 .3125rem .9375rem rgb(0 0 0 / 45%)}}@media (min-width: 50rem){:root{--gap: 2rem;--scroll-margin: calc( var(--js-sticky-header-height, 3.5rem) + var(--js-sticky-nav-height, 0) + 1rem )}}*:target{scroll-margin-top:var(--scroll-margin)}body{background-color:var(--color-background);display:flex;flex-direction:column;min-height:100vh;min-width:23.5rem;-webkit-overflow-scrolling:touch}.go-Container{display:flex;flex-direction:column;flex-grow:1;height:100%;margin-bottom:5rem}.go-Content{display:flex;flex-flow:column;gap:1rem;margin:0 auto;max-width:63rem;min-height:32rem;padding:2rem var(--gutter);width:100%}.go-Content--center{justify-content:center;margin:auto}.JumpDialog-body{height:12rem;overflow-y:auto}.JumpDialog-list{display:flex;flex-direction:column}.JumpDialog-input{width:100%}.JumpDialog a{padding:.25rem;text-decoration:none}.JumpDialog .JumpDialog-active{background-color:var(--color-brand-primary);color:var(--white)}.ShortcutsDialog-key{text-align:right}.ShortcutsDialog table{padding:0 1rem}.ShortcutsDialog td{padding-bottom:.5rem;padding-left:.5rem}.ShortcutsDialog-theme span{display:none}[data-theme=light] .ShortcutsDialog-themeLight,[data-theme=dark] .ShortcutsDialog-themeDark,[data-theme=""] .ShortcutsDialog-themeAuto,[data-theme=auto] .ShortcutsDialog-themeAuto{display:initial}
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Emoji";font-size:1rem;line-height:normal}h1{font-size:1.5rem}h2{font-size:1.375rem}h3{font-size:1.25rem}h4{font-size:1.125rem}h5{font-size:1rem}h6{font-size:.875rem}h1,h2,h3,h4{font-weight:600;line-height:1.25em;word-break:break-word}h5,h6{font-weight:500;line-height:1.3em;word-break:break-word}hr{border:none;border-bottom:var(--border);margin:0;width:100%}p{font-size:1rem;line-height:1.5rem;max-width:60rem}strong{font-weight:600}.go-textSubtle{color:var(--color-text-subtle)}.go-textTitle{font-size:1.125rem;font-weight:600;line-height:1.25rem}.go-textLabel{font-size:.875rem;font-weight:600;line-height:1rem}.go-textPagination{font-size:.875rem;line-height:1rem}code,pre,textarea.code{font-family:SFMono-Regular,Consolas,Liberation 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transparent;border-radius:var(--border-radius);color:var(--color-button-text);cursor:pointer;display:inline-flex;font-weight:500;gap:.25rem}.go-Button:not(.go-Button--inline){padding:.5rem}.go-Button--accented{background-color:var(--color-button-accented);color:var(--color-button-accented-text)}.go-Button--inverted,.go-Button--text,.go-Button--inline{background-color:var(--color-button-inverted);color:var(--color-button-inverted-text)}.go-Button--inline{background-color:transparent}.go-Button--inverted{border:var(--border)}.go-Button:hover{box-shadow:var(--focus-box-shadow);filter:contrast(.95)}.go-Button--inline:hover{box-shadow:none;text-decoration:underline var(--color-button-inverted-text)}.go-Button:focus{filter:contrast(.95)}.go-Button--inverted:focus{border-color:var(--color-button-inverted-text)}.go-Button:active{box-shadow:none;filter:contrast(.85)}.go-Button:disabled{background-color:var(--color-button-disabled);box-shadow:none;color:var(--color-button-text-disabled);cursor:initial;filter:none;text-decoration:none}.go-Button--accented:disabled{background-color:var(--color-button-accented-disabled);color:var(--color-button-accented-text-disabled)}.go-Button--inverted:disabled,.go-Button--text:disabled,.go-Button--inline:disabled{background-color:var(--color-button-inverted-disabled);color:var(--color-button-inverted-text-disabled)}.go-Button--inline:disabled{background-color:transparent}.go-Breadcrumb ol{line-height:1.5rem;white-space:initial}.go-Breadcrumb li{align-items:center;color:var(--color-text-subtle);display:inline-flex;font-size:.875rem}.go-Breadcrumb li:not(:last-child):after{content:">";padding:0 .5rem}.go-Breadcrumb li:last-child>a{color:var(--color-text-subtle)}.go-Breadcrumb li>.go-Clipboard{margin:0 .5rem}.go-Carousel{align-items:center;display:flex;flex-direction:column;position:relative;text-align:center}.go-Carousel-slide{margin:.5rem 3rem}.go-Carousel-slide[aria-hidden]{display:none}.go-Carousel-prevSlide{left:0}.go-Carousel-nextSlide{right:0}.go-Carousel-prevSlide,.go-Carousel-nextSlide{background-color:transparent;border-radius:var(--border-radius);font-size:1.5rem;height:2.75rem;margin-top:-1.375rem;opacity:0;position:absolute;top:50%;width:2.75rem}.go-Carousel-prevSlide:hover,.go-Carousel-nextSlide:hover{background-color:var(--color-background-accented);cursor:pointer}.go-Carousel:hover .go-Carousel-prevSlide,.go-Carousel:hover .go-Carousel-nextSlide,.go-Carousel:focus-within .go-Carousel-prevSlide,.go-Carousel:focus-within .go-Carousel-nextSlide{opacity:1}.go-Carousel-dots{display:flex;font-size:.4375rem;gap:.5rem}.go-Carousel-dot{background-color:var(--color-border);border-radius:2rem;height:.4375rem;width:.4375rem}.go-Carousel-dot--active,.go-Carousel-dot:hover{background-color:var(--color-text-subtle)}.go-Carousel-obscured{border:0;clip:rect(0 0 0 0);height:.0625rem;margin:-.0625rem;overflow:hidden;padding:0;position:absolute;width:.0625rem}.go-Chip{background:var(--color-button);border:.0625rem solid var(--color-button);border-radius:1.25rem;color:var(--color-button-text);font-size:.75rem;padding:.125rem .625rem}.go-Chip--accented{background:var(--color-button-accented);border:.0625rem solid var(--color-button-accented);color:var(--color-button-accented-text)}.go-Chip--inverted{background:var(--color-button-inverted);border:var(--border);color:var(--color-text)}.go-Chip--highlighted{background:var(--color-background-highlighted-link);border-color:var(--color-background-highlighted-link);color:var(--color-brand-primary)}.go-Chip--alert{background:var(--pink);border:.0625rem solid var(--pink);color:var(--color-text-inverted)}.go-Chip--vuln{background:var(--pink-light);border:.0625rem solid var(--pink-light);color:var(--color-text-inverted)}.go-Chip--subtle{background-color:var(--color-background-accented);border-color:transparent;color:var(--color-text-subtle)}.go-Clipboard{position:relative}.go-Clipboard:before{background-color:var(--color-background-inverted);border-radius:var(--border-radius);color:var(--color-text-inverted);content:attr(data-tooltip);display:block;font-size:.9em;left:calc(100% + .125rem);padding:.25rem .3rem;position:absolute;text-transform:uppercase;top:.125rem;white-space:nowrap;z-index:1000}.go-Clipboard:after{border-bottom:.25rem solid transparent;border-left:0;border-right:.25rem solid var(--color-background-inverted);border-top:.25rem solid transparent;content:"";display:block;position:absolute;right:-.125rem;top:.5625rem;z-index:1000}.go-Clipboard:not([data-tooltip]):before,.go-Clipboard:not([data-tooltip]):after,.go-Clipboard[data-tooltip=""]:before,.go-Clipboard[data-tooltip=""]:after{display:none}:root{--gray-1: #202224;--gray-2: #3e4042;--gray-3: #555759;--gray-4: #6e7072;--gray-5: #848688;--gray-6: #aaacae;--gray-7: #c6c8ca;--gray-8: #dcdee0;--gray-9: #f0f1f2;--gray-10: #f8f8f8;--turq-light: #5dc9e2;--turq-med: #50b7e0;--turq-dark: #007d9c;--blue: #bfeaf4;--blue-light: #f2fafd;--black: #000;--green: #3a6e11;--green-light: #5fda64;--pink: #c85e7a;--pink-light: #fdecf1;--purple: #542c7d;--slate: #253443;--white: #fff;--yellow: #fceea5;--yellow-light: #fff8cc;--color-brand-primary: var(--turq-dark);--color-background: var(--white);--color-background-inverted: var(--slate);--color-background-accented: var(--gray-10);--color-background-highlighted: var(--blue);--color-background-highlighted-link: var(--blue-light);--color-background-info: var(--gray-9);--color-background-warning: var(--yellow-light);--color-background-alert: var(--pink-light);--color-border: var(--gray-7);--color-text: var(--gray-1);--color-text-subtle: var(--gray-4);--color-text-link: var(--turq-dark);--color-text-inverted: var(--white);--color-code-comment: var(--green);--color-input: var(--color-background);--color-input-text: var(--color-text);--color-button: var(--turq-dark);--color-button-disabled: var(--gray-9);--color-button-text: var(--white);--color-button-text-disabled: var(--gray-3);--color-button-inverted: var(--color-background);--color-button-inverted-disabled: var(--color-background);--color-button-inverted-text: var(--color-brand-primary);--color-button-inverted-text-disabled: var(--color-text-subtle);--color-button-accented: var(--yellow);--color-button-accented-disabled: var(--gray-9);--color-button-accented-text: var(--gray-1);--color-button-accented-text-disabled: var(--gray-3)}[data-theme=dark]{--color-brand-primary: var(--turq-med);--color-background: var(--gray-1);--color-background-accented: var(--gray-2);--color-background-highlighted: var(--gray-2);--color-background-highlighted-link: var(--gray-2);--color-background-info: var(--gray-3);--color-background-warning: var(--yellow);--color-background-alert: var(--pink);--color-border: var(--gray-4);--color-text: var(--gray-9);--color-text-link: var(--turq-med);--color-text-subtle: var(--gray-7);--color-code-comment: var(--green-light)}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--color-brand-primary: var(--turq-med);--color-background: var(--gray-1);--color-background-accented: var(--gray-2);--color-background-highlighted: var(--gray-2);--color-background-highlighted-link: var(--gray-2);--color-background-info: var(--gray-3);--color-background-warning: var(--yellow);--color-background-alert: var(--pink);--color-border: var(--gray-4);--color-text: var(--gray-9);--color-text-link: var(--turq-med);--color-text-subtle: var(--gray-7);--color-code-comment: var(--green-light)}}.go-Footer{background-color:var(--color-background-inverted);color:var(--color-text-inverted);font-size:.875rem;width:100%}[data-local=true] .go-Footer{display:none}.go-Footer-links{display:flex;flex-wrap:wrap;justify-content:space-between;margin:auto;max-width:75.75rem;padding:2rem 1.5rem 2.625rem}.go-Footer-linkColumn{flex:0 0 9.5rem}.go-Footer .go-Footer-link{color:var(--color-text-inverted);display:flex;flex:1;font-size:.875rem;line-height:2rem}.go-Footer .go-Footer-link--primary{font-size:1.125rem;line-height:1.75rem;margin-bottom:.5rem;margin-top:.75rem}.go-Footer-bottom{align-items:center;border-top:var(--border);display:flex;margin:0 1.5rem;min-height:4.125rem}.go-Footer-gopher{align-self:flex-end;height:3.147rem;width:5rem}.go-Footer-listRow{display:flex;flex:1;flex-wrap:wrap;list-style:none;margin:0;padding:0;text-align:center}.go-Footer-listItem{align-items:center;display:flex;flex:1 100%;justify-content:center;margin:.4rem 0;padding:0 1rem}.go-Footer-listItem a:link,.go-Footer-listItem a:visited{color:var(--color-text-inverted)}.go-Footer-listItem .go-Button--text{background-color:transparent;font-size:1rem;margin:-.5rem 0}.go-Footer-listItem [data-value]{display:none}[data-theme=auto] .go-Footer-listItem [data-value=auto],:root:not([data-theme]) .go-Footer-listItem [data-value=auto]{display:initial}[data-theme=dark] .go-Footer-listItem [data-value=dark],[data-theme=light] .go-Footer-listItem [data-value=light]{display:initial}.go-Footer-toggleTheme,.go-Footer-keyboard{margin:0 0 .5rem}.go-Footer-googleLogo{align-self:flex-end;height:1.5rem;margin-bottom:1.3rem;text-align:right}.go-Footer-googleLogoImg{height:1.5rem;width:4.529rem}@media only screen and (min-width: 52rem){.go-Footer-listItem{flex:initial}.go-Footer-listItem+.go-Footer-listItem{border-left:var(--border)}.go-Footer-toggleTheme{margin:0 0 0 -.5rem}.go-Footer-keyboard{margin:0}}select:focus:not([disabled]),input:focus:not([disabled]){border-color:var(--color-brand-primary);box-shadow:var(--focus-box-shadow);outline:transparent;z-index:2}input::placeholder{color:var(--color-text-subtle)}.go-Form{align-items:start;display:flex;flex-direction:column;gap:1rem}.go-Label{display:flex;flex-direction:column;gap:.5rem}.go-Label--inline{align-items:center;flex-direction:row}.go-Label legend{margin-bottom:.5rem}.go-Label--inline legend{float:left;margin-bottom:0}.go-Input,.go-Select{background:var(--color-input);border:var(--border);border-radius:var(--border-radius);color:var(--color-input-text)}.go-Input{padding:.4063rem .5rem}.go-Select{appearance:none;background:url(/static/shared/icon/arrow_drop_down_gm_grey_24dp.svg) right no-repeat;background-color:var(--color-background);background-position:right center;border-radius:var(--border-radius);margin:0;padding:.3438rem 1.25rem .3438rem .5rem}.go-InputGroup{display:flex}.go-InputGroup .go-Input{flex:1}.go-InputGroup>:not(:first-child,:last-child){border-radius:0;margin-left:-.0625rem}.go-InputGroup>:first-child{border-bottom-right-radius:0;border-top-right-radius:0}.go-InputGroup>:last-child{border-bottom-left-radius:0;border-top-left-radius:0;margin-left:-.0625rem}.go-InputGroup>*:hover,.go-InputGroup>*:focus{z-index:1}.go-ShortcutKey{display:flex;position:relative}.go-ShortcutKey .go-Input{flex-grow:1}.go-ShortcutKey:after{align-self:center;background-color:var(--color-background-accented);border-radius:.5rem;color:var(--gray-6);content:attr(data-shortcut);content:attr(data-shortcut) / attr(data-shortcut-alt);display:none;font-size:.75rem;padding:.0625rem 0;position:absolute;right:.75rem;text-align:center;width:1.5rem;z-index:1}@media only screen and (min-width: 52rem){.go-ShortcutKey:after{display:initial}}.go-GopherMessage img{display:block;height:15rem;margin:0 auto;padding:1.25rem 0;width:15rem}.go-GopherMessage p{font-weight:600;margin:auto;text-align:center}.go-Banner{background-color:var(--gray-1);display:none}.go-Banner-inner{align-items:center;display:flex;justify-content:space-between;margin:0 auto;min-height:2.5rem;padding:.5rem var(--gutter)}.Site--wide .go-Banner-inner{max-width:98rem}.go-Banner--full .go-Banner-inner{max-width:unset}.go-Banner-message{color:var(--white);margin-right:1.25rem}.go-Banner-action:link,.go-Banner-action:visited{color:var(--white);text-decoration:underline;white-space:nowrap}@media only screen and (min-width: 52rem){.go-Banner{display:block}}.go-Header{background:#007d9c;border-bottom:none;box-shadow:0 .0625rem .125rem #ababab4d;top:0;width:100%;z-index:20}.go-Header-inner{margin:0 auto;padding:0 var(--gutter)}.Site--wide .go-Header-inner{max-width:98rem}.go-Header--full .go-Header-inner{max-width:initial}.go-Header-nav{align-items:center;display:flex;height:3.5rem;justify-content:space-between}.go-Header-rightContent{align-items:center;display:flex;height:100%;justify-content:flex-end;width:100%}.go-Header-rightContent form{flex-grow:1}.go-Header-inner--dark{border-bottom:none;color:var(--white)}.go-Header-logo{display:block;height:2rem;margin-right:2.25rem;width:5.125rem}.go-Header-logo--hidden{display:none}.go-Header-menuItem{display:none;position:relative}.go-Header-menu{align-items:stretch;display:flex;height:100%;list-style:none;margin:0;padding:0}[data-local=true] .go-Header-menu{display:none}.go-Header-submenu{background:transparent;background-color:var(--color-background);border:.0625rem solid #007d9d;border-width:0 .0625rem .0625rem;color:var(--color-text);display:none;flex-flow:column wrap;list-style-type:none;margin-top:3.5rem;opacity:0;padding:1.5rem 1.5rem 0;position:absolute;transition:all .2s ease;visibility:hidden}.go-Header-menuItem:hover>.js-desktop-menu-hover:not(.forced-closed)~.go-Header-submenu,.go-Header-menuItem:focus-within>.js-desktop-menu-hover:not(.forced-closed)~.go-Header-submenu{display:flex;opacity:1;visibility:visible}.go-Header-menuItem .go-Header-submenuItem a:link,.go-Header-menuItem .go-Header-submenuItem a:visited{align-items:baseline;border-bottom:none;color:var(--color-text-link);display:inline-flex;font-weight:400;margin:0;margin-bottom:-.125rem;padding:0}.go-Header-menuItem .go-Icon{filter:brightness(0%) saturate(100%) invert(100%);font-size:1.25rem}.go-Header-menuItem .go-Header-submenuItem .go-Icon,.go-NavigationDrawer-listItem .go-Icon{filter:brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(162deg) brightness(71%) contrast(177%)}.go-Header-submenu .go-Header-submenuItem i{font-size:.75rem;margin-left:.25rem;transform:translateY(.1rem)}.go-Header-menu .go-Header-submenu--why{left:-.0625rem;width:18.5rem}.go-Header-menu .go-Header-submenu--docs{height:20.78rem;left:-12rem;width:37.25rem}.go-Header-menu .go-Header-submenu--community{height:18.4rem;right:-.0625rem;width:37.25rem}.go-Header-socialIcons{display:flex;flex-wrap:wrap}.go-Header-submenu .go-Header-submenuItem a.go-Header-socialIcon{display:inline-flex;flex:0 1 auto;width:auto}.go-Header-submenu .go-Header-submenuItem a.go-Header-socialIcon:not(:last-child){margin-right:.75rem}@media only screen and (min-width: 65rem){.go-Header-menuItem{align-items:stretch;display:inline-flex;flex:none}.go-Header-menu{justify-content:flex-end}.go-Header-navOpen{display:none}}.go-Header-menuItem .js-desktop-menu-hover img{pointer-events:none}.go-Header-menuItem a:link,.go-Header-menuItem a:visited{align-items:center;border-bottom:.1875rem solid transparent;border-top:.1875rem solid transparent;color:var(--color-text);display:inline-flex;padding:0 1.5rem;text-align:center;text-decoration:none;width:100%}.go-Header-menuItem--active a:link,.go-Header-menuItem--active a:visited{border-bottom-color:var(--turq-med);font-weight:700}.go-Header-menuItem a:hover{border-bottom-color:var(--white)}.go-Header-menuItem:hover>a:not(.forced-closed).js-desktop-menu-hover,.go-Header-menuItem:focus-within>a:not(.forced-closed).js-desktop-menu-hover{background:var(--white);border-color:var(--white);color:var(--color-text-link)}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .go-Header-menuItem:hover>a:not(.forced-closed).js-desktop-menu-hover .go-Icon,:root:not([data-theme="light"]) .go-Header-menuItem:focus-within>a:not(.forced-closed).js-desktop-menu-hover .go-Icon{filter:brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(158deg) brightness(83%) contrast(157%)}:root:not([data-theme="light"]) .go-Header-submenuItem .go-Icon:not(.go-Icon--accented){filter:brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(163deg) brightness(80%) contrast(157%)}}.go-NavigationDrawer-listItem>div:not(.go-NavigationDrawer),.go-NavigationDrawer-listItem a:link,.go-NavigationDrawer-listItem a:visited{display:block;margin:0 1rem;padding:.5rem}.go-NavigationDrawer-listItem>span{color:var(--gray-2)}.go-Header-inner--dark .go-Header-menuItem a:link,.go-Header-inner--dark .go-Header-menuItem a:visited{color:var(--white)}.go-NavigationDrawer-listItem.go-NavigationDrawer-hasSubnav>a i{float:right}.go-Header-inner--dark .go-Header-menuItem .go-Header-submenuItem{color:var(--color-text-link)}.go-Header-inner--dark .go-Header-menuItem .js-desktop-menu-hover.is-expanded{background-color:var(--white);color:var(--color-text-link)}.go-Header-inner--dark .go-Header-menuItem .go-Header-submenu a:link,.go-Header-inner--dark .go-Header-menuItem .go-Header-submenu a:visited{align-items:baseline;color:var(--color-text-link);display:inline-flex;margin-bottom:-.125rem;width:auto}.go-Header-submenu .go-Header-submenuItem a:link,.go-Header-submenu .go-Header-submenuItem a:visited{border-bottom:none;font-weight:400;margin:0;padding:0}.go-Header-inner--dark .go-Header-menuItem:hover>a:not(.forced-closed).js-desktop-menu-hover,.go-Header-inner--dark .go-Header-menuItem:focus-within>a:not(.forced-closed).js-desktop-menu-hover{background:var(--color-background);border-color:var(--color-background)}.go-Header-submenu p{max-width:15.5rem}.go-Header-submenu a:link:hover,.go-Header-submenu a:visited:hover{border-bottom:.125rem solid var(--turq-dark);text-decoration:none}.go-Header-submenu a:link:hover>*,.go-Header-submenu a:visited:hover>*{text-decoration:none}.go-Header-submenu .go-Header-submenuItem{line-height:1;padding-bottom:1.5rem}.go-Header-submenu .go-Header-submenuItem p{color:var(--color-text-subtle);font-size:.875rem;margin-top:.55rem}.go-Header-inner--dark .go-Header-submenu .go-Header-submenuItem p{color:var(--color-text-subtle)}.go-Header-navOpen{background:no-repeat center/2rem url(/images/menu-24px.svg);border:none;height:2.5rem;margin-left:1rem;width:2.5rem}.go-Header-navOpen--hidden{display:none}.go-Header-navOpen--white{background:no-repeat center/2rem url(/static/shared/icon/menu_gm_grey_24dp.svg);filter:brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg) brightness(103%) contrast(107%)}.go-SearchForm--expanded{flex-grow:1}.go-SearchForm-form{display:none}.go-SearchForm-form:after{right:2.75rem}.go-SearchForm--expanded .go-SearchForm-form{display:flex}.go-SearchForm-expandSearch{appearance:none;background:none;font-size:1.5rem}.go-SearchForm--expanded .go-SearchForm-expandSearch{display:none}@media only screen and (min-width: 32rem){.go-Header-rightContent{width:100%}.go-SearchForm{flex:1}.go-SearchForm-form{display:flex}.go-SearchForm-expandSearch{display:none}.go-Header-logo--hidden{display:initial}}.go-NavigationDrawer{background:var(--color-background);height:100%;left:auto;max-width:27rem;position:fixed;right:0;top:0;transform:translate(100%);transition:transform .1s ease-in-out;width:85%;z-index:30}@media only screen and (min-width: 65rem){.go-NavigationDrawer{display:none}}.go-NavigationDrawer.is-active{transform:translate(0)}.go-NavigationDrawer-header{border-bottom:.0625rem solid #eee;margin-bottom:.5rem}.go-NavigationDrawer-submenuItem{width:100%}.go-NavigationDrawer-submenuItem .go-NavigationDrawer-header{align-items:center;color:var(--color-text-link);display:flex;font-size:1.375rem;justify-content:flex-start;min-height:4.0625rem;padding:.5rem .5rem .5rem 1.5rem}.go-NavigationDrawer-submenuItem .go-NavigationDrawer-header>a{display:flex;margin-left:0}.go-NavigationDrawer-logo{display:block;height:2rem;margin:1rem;width:5.125rem}.go-NavigationDrawer-list{list-style:none;margin:0;padding:0}.go-NavigationDrawer-listItem{color:var(--color-text-subtle);font-size:1.125rem;margin:0 .5rem}.go-NavigationDrawer-listItem--active{background-color:var(--blue);border-radius:.4rem}.go-NavigationDrawer-listItem .material-icons{color:var(--color-brand-primary);display:inline-block;margin-right:.5rem;text-decoration:none;vertical-align:sub}@media only screen and (max-width: 57.7rem){.go-NavigationDrawer-listItem .go-Header-socialIcons{padding:.5rem 0}.go-NavigationDrawer-listItem a.go-Header-socialIcon{display:inline-block;margin:0;padding:0 .5rem}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .go-NavigationDrawer-listItem .go-Icon:not(.go-Icon--accented){filter:brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(163deg) brightness(80%) contrast(157%)}}}.go-NavigationDrawer-scrim{display:none;height:100%;left:0;position:fixed;top:0;width:100%;z-index:20}.go-NavigationDrawer.is-active+.go-NavigationDrawer-scrim{background-color:var(--gray-1);display:block;opacity:.32}.depsdev-Icon{height:1.125em;vertical-align:text-bottom;width:auto}.go-Icon{filter:none;height:1.125em;vertical-align:text-bottom;width:auto}.go-Icon--accented{filter:brightness(0) invert(45%) sepia(94%) saturate(6735%) hue-rotate(176deg) brightness(94%) contrast(101%)}.go-Icon--inverted{filter:brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg) brightness(103%) contrast(107%)}[data-theme=dark] .go-Icon:not(.go-Icon--accented){filter:brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg) brightness(103%) contrast(107%)}[data-theme=dark] .go-Icon--accented{filter:brightness(0) invert(69%) sepia(46%) saturate(466%) hue-rotate(153deg) brightness(90%) contrast(88%)}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .go-Icon:not(.go-Icon--accented){filter:brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg) brightness(103%) contrast(107%)}:root:not([data-theme="light"]) .go-Icon--accented{filter:brightness(0) invert(57%) sepia(63%) saturate(4864%) hue-rotate(160deg) brightness(100%) contrast(101%)}}.go-Message{color:var(--color-text);font-size:.875rem;line-height:1.5rem;padding:.25rem .5rem;width:100%}.go-Message--notice{background-color:var(--color-background-info)}.go-Message--warning{background-color:var(--color-background-warning);color:var(--gray-1)}.go-Message--alert{background-color:var(--color-background-alert)}.go-Message>.go-Icon{vertical-align:text-top}[data-theme=dark] .go-Message a:not(:hover){color:var(--color-text);text-decoration:underline}[data-theme=dark] .go-Message--warning .go-Icon{filter:none}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .go-Message--warning .go-Icon{filter:none}}dialog{position:absolute;left:0;right:0;width:-moz-fit-content;width:-webkit-fit-content;width:fit-content;height:-moz-fit-content;height:-webkit-fit-content;height:fit-content;margin:auto;border:solid;padding:1em;background:white;color:#000;display:block}dialog:not([open]){display:none}dialog+.backdrop{position:fixed;inset:0;background:rgba(0,0,0,.1)}._dialog_overlay{position:fixed;inset:0}dialog.fixed{position:fixed;top:50%;transform:translateY(-50%)}.go-Modal{background:var(--color-background);border:var(--border);border-radius:var(--border-radius);bottom:0;box-shadow:var(--box-shadow);color:var(--color-text);display:flex;flex-direction:column;gap:1rem;max-height:100%;max-width:100%;position:fixed;top:0}.go-Modal>form{display:contents}.go-Modal--small{width:20rem}.go-Modal--md{width:30rem}.go-Modal--lg{width:40rem}.go-Modal-header{display:flex;justify-content:space-between}.go-Modal-header h2{font-size:1.15rem;line-height:1.25rem}.go-Modal-body{flex-grow:1;min-height:2rem;min-width:18rem}.go-Modal-actions{text-align:right}@media not all and (min-resolution: .001dpcm){@supports (-webkit-appearance: none){.go-Modal{padding-bottom:0}}}.go-Tree{--js-tree-height: 0;display:flex;flex-direction:column}.go-Tree ul{list-style:none;padding-left:0}.go-Tree li:last-of-type{padding-bottom:.25rem}.go-Tree a+ul{display:none}.go-Tree a[aria-expanded=true]+ul[role=group]{display:block}.go-Tree a[aria-level="1"]+ul[role=group]{max-height:calc(100vh - var(--js-tree-height, 0) - var(--js-sticky-header-height, 3.5rem) - 5rem);overflow-y:auto;padding:.5rem .25rem 0}.go-Tree a{color:var(--color-text-subtle);display:block;line-height:1.5rem;overflow:hidden;padding:.125rem 0 .125rem 1.25rem;position:relative;text-overflow:ellipsis;user-select:none;white-space:nowrap}.go-Tree>li>a,.go-Tree a[aria-level="1"]{display:block;font-size:1rem;font-weight:500;line-height:2.5rem;padding:0 1rem}.go-Tree a:focus,.go-Tree a:hover{text-decoration:underline;z-index:1}.go-Tree a[aria-selected=true]{color:var(--color-text);font-weight:500}.go-Tree a[aria-level="1"][aria-selected=true],.go-Tree a[aria-level="1"][aria-expanded=true]{background-color:var(--color-background-accented)}.go-Tree a[aria-level="3"][aria-expanded=true]{margin-bottom:.375em}.go-Tree a[aria-level="2"]{margin-bottom:.25rem;position:relative}.go-Tree a[aria-level="3"]{padding-left:2.5rem}.go-Tree a[aria-level="4"]{border-left:.125rem solid var(--color-background-accented);margin-left:2.5rem;padding-left:.5rem}.go-Tree a[aria-selected=true][aria-level="2"]:not([aria-expanded]):before,.go-Tree a[aria-selected=true][aria-level="3"]:not([aria-expanded]):before{background-color:var(--color-brand-primary);border-radius:50%;content:"";display:block;height:.3125rem;left:.4688rem;position:absolute;top:.75rem;width:.3125rem}.go-Tree a[aria-expanded][aria-owns][aria-level="2"]:before,.go-Tree a[aria-expanded][aria-owns][aria-level="3"]:before{border-bottom:.25rem solid transparent;border-left:.25rem solid var(--color-border);border-right:0;border-top:.25rem solid transparent;content:"";display:block;height:0;left:.5rem;position:absolute;top:.625rem;transition:transform .1s linear;width:0}.go-Tree a[aria-expanded=true][aria-level="2"]:before,.go-Tree a[aria-expanded=true][aria-level="3"]:before{transform:rotate(90deg)}.go-Tree a[aria-expanded][aria-level="3"]:not([empty]):before,.go-Tree a[aria-selected][aria-level="3"]:not([empty]):before{left:1.5rem;top:.75rem}.go-Tree a[aria-selected=true][aria-level="4"]{border-left:.125rem solid var(--color-brand-primary)}.go-TabNav{margin:0 0 .5rem}.go-TabNav ul{display:flex;gap:2rem}.go-TabNav li{border-bottom:.25rem transparent solid;display:flex;font-size:1rem;height:2.375rem;padding:0 .25rem}.go-TabNav li[aria-current],.go-TabNav li:hover{border-color:var(--color-brand-primary)}.go-TabNav a{align-items:center;color:var(--color-text-subtle);display:inline-flex}.go-TabNav li:hover a{text-decoration:none}.go-TabNav li[aria-current] a{color:var(--color-text)}.go-Tooltip{border-radius:var(--border-radius);cursor:pointer;display:inline-block;position:relative}.go-Tooltip>summary{list-style:none}.go-Tooltip>summary::-webkit-details-marker,.go-Tooltip>summary::marker{display:none}.go-Tooltip>summary>img{vertical-align:text-bottom}.go-Tooltip p{background:var(--color-background) 80%;border:var(--border);border-radius:var(--border-radius);color:var(--color-text);font-size:.75rem;letter-spacing:.0187rem;line-height:1rem;padding:.5rem;position:absolute;top:1.5rem;white-space:normal;width:12rem;z-index:100}:root{--gutter: 1.5rem;--gap: 1rem;--scroll-margin: calc( var(--js-sticky-header-height, 3.5rem) + var(--js-sticky-nav-height, 0) + 2rem );--border: .0625rem solid var(--color-border);--border-radius: .25rem;--box-shadow: 0 0 .375rem 0 rgb(0 0 0 / 25%);--focus-box-shadow: 0 0 .0625rem .0625rem rgb(0 112 210 / 60%)}[data-theme=dark]{--box-shadow: 0 .3125rem .9375rem rgb(0 0 0 / 45%)}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--box-shadow: 0 .3125rem .9375rem rgb(0 0 0 / 45%)}}@media (min-width: 50rem){:root{--gap: 2rem;--scroll-margin: calc( var(--js-sticky-header-height, 3.5rem) + var(--js-sticky-nav-height, 0) + 1rem )}}*:target{scroll-margin-top:var(--scroll-margin)}body{background-color:var(--color-background);display:flex;flex-direction:column;min-height:100vh;min-width:23.5rem;-webkit-overflow-scrolling:touch}.go-Container{display:flex;flex-direction:column;flex-grow:1;height:100%;margin-bottom:5rem}.go-Content{display:flex;flex-flow:column;gap:1rem;margin:0 auto;max-width:63rem;min-height:32rem;padding:2rem var(--gutter);width:100%}.go-Content--center{justify-content:center;margin:auto}.JumpDialog-body{height:12rem;overflow-y:auto}.JumpDialog-list{display:flex;flex-direction:column}.JumpDialog-input{width:100%}.JumpDialog a{padding:.25rem;text-decoration:none}.JumpDialog .JumpDialog-active{background-color:var(--color-brand-primary);color:var(--white)}.ShortcutsDialog-key{text-align:right}.ShortcutsDialog table{padding:0 1rem}.ShortcutsDialog td{padding-bottom:.5rem;padding-left:.5rem}.ShortcutsDialog-theme span{display:none}[data-theme=light] .ShortcutsDialog-themeLight,[data-theme=dark] .ShortcutsDialog-themeDark,[data-theme=""] .ShortcutsDialog-themeAuto,[data-theme=auto] .ShortcutsDialog-themeAuto{display:initial}.Cookie-notice{align-items:center;background-color:var(--color-background);border-top:var(--border);bottom:0;color:var(--color-text);display:none;gap:1rem;justify-content:center;left:0;padding:1rem;position:fixed;right:0;z-index:100}.Cookie-notice--visible{display:flex}
/*!
* http://meyerweb.com/eric/tools/css/reset/
* v2.0 | 20110126
diff --git a/static/frontend/frontend.min.css.map b/static/frontend/frontend.min.css.map
index 45915fb..018d480 100644
--- a/static/frontend/frontend.min.css.map
+++ b/static/frontend/frontend.min.css.map
@@ -1,7 +1,7 @@
{
"version": 3,
- "sources": ["../shared/reset.css", "../shared/typography/typography.css", "../shared/button/button.css", "../shared/breadcrumb/breadcrumb.css", "../shared/carousel/carousel.css", "../shared/chip/chip.css", "../shared/clipboard/clipboard.css", "../shared/color/color.css", "../shared/footer/footer.css", "../shared/form/form.css", "../shared/gopher/gopher.css", "../shared/header/header.css", "../shared/icon/icon.css", "../shared/message/message.css", "../../third_party/dialog-polyfill/dialog-polyfill.css", "../shared/modal/modal.css", "../shared/outline/tree.css", "../shared/tabnav/tabnav.css", "../shared/tooltip/tooltip.css", "../shared/shared.css", "_modals.css"],
- "sourcesContent": ["/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/*!\n * http://meyerweb.com/eric/tools/css/reset/\n * v2.0 | 20110126\n * License: none (public domain)\n */\n\nhtml,\nbody,\nbutton,\ndiv,\nspan,\napplet,\nobject,\niframe,\nh1,\nh2,\nh3,\nh4,\nh5,\nh6,\nhr,\ninput,\np,\nblockquote,\npre,\na,\nabbr,\nacronym,\naddress,\nbig,\ncite,\ncode,\ndel,\ndfn,\ndialog,\nem,\nimg,\nins,\nkbd,\nq,\ns,\nsamp,\nsmall,\nstrike,\nstrong,\nsub,\nsup,\ntt,\nvar,\nb,\nu,\ni,\ncenter,\ndl,\ndt,\ndd,\nol,\nul,\nli,\nfieldset,\nform,\nlabel,\nlegend,\ntable,\ncaption,\ntbody,\ntfoot,\nthead,\ntr,\nth,\ntd,\narticle,\naside,\ncanvas,\ndetails,\nembed,\nfigure,\nfigcaption,\nfooter,\nheader,\nhgroup,\nmenu,\nnav,\noutput,\nruby,\nsection,\nsummary,\ntime,\nmark,\naudio,\nvideo {\n border: 0;\n font: inherit;\n font-size: 100%;\n margin: 0;\n padding: 0;\n vertical-align: baseline;\n}\n\n/* HTML5 display-role reset for older browsers */\narticle,\naside,\ndetails,\nfigcaption,\nfigure,\nfooter,\nheader,\nhgroup,\nmenu,\nnav,\nsection {\n display: block;\n}\n\nbody {\n line-height: 1;\n}\n\nol,\nul {\n list-style: none;\n}\n\nblockquote,\nq {\n quotes: none;\n}\n\nblockquote::before,\nblockquote::after,\nq::before,\nq::after {\n content: '';\n content: none;\n}\n\ntable {\n border-collapse: collapse;\n border-spacing: 0;\n}\n\n*,\n::before,\n::after {\n box-sizing: border-box;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nbody {\n color: var(--color-text);\n font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif,\n 'Apple Color Emoji', 'Segoe UI Emoji';\n font-size: 1rem;\n line-height: normal;\n}\n\nh1 {\n font-size: 1.5rem;\n}\n\nh2 {\n font-size: 1.375rem;\n}\n\nh3 {\n font-size: 1.25rem;\n}\n\nh4 {\n font-size: 1.125rem;\n}\n\nh5 {\n font-size: 1rem;\n}\n\nh6 {\n font-size: 0.875rem;\n}\n\nh1,\nh2,\nh3,\nh4 {\n font-weight: 600;\n line-height: 1.25em;\n word-break: break-word;\n}\n\nh5,\nh6 {\n font-weight: 500;\n line-height: 1.3em;\n word-break: break-word;\n}\n\nhr {\n border: none;\n border-bottom: var(--border);\n margin: 0;\n width: 100%;\n}\n\np {\n font-size: 1rem;\n line-height: 1.5rem;\n max-width: 60rem;\n}\n\nstrong {\n font-weight: 600;\n}\n\n.go-textSubtle {\n color: var(--color-text-subtle);\n}\n\n.go-textTitle {\n font-size: 1.125rem;\n font-weight: 600;\n line-height: 1.25rem;\n}\n\n.go-textLabel {\n font-size: 0.875rem;\n font-weight: 600;\n line-height: 1rem;\n}\n\n.go-textPagination {\n font-size: 0.875rem;\n line-height: 1rem;\n}\n\ncode,\npre,\ntextarea.code {\n font-family: SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;\n font-size: 0.875rem;\n line-height: 1.5em;\n}\n\npre,\ntextarea.code {\n background-color: var(--color-background-accented);\n border: var(--border);\n border-radius: var(--border-radius);\n color: var(--color-text);\n overflow-x: auto;\n padding: 0.625rem;\n tab-size: 4;\n white-space: pre;\n}\n\nbutton,\ninput,\nselect,\ntextarea {\n font: inherit;\n}\n\na,\na:link,\na:visited {\n color: var(--color-brand-primary);\n text-decoration: none;\n}\n\na:hover {\n color: var(--color-brand-primary);\n text-decoration: underline;\n}\n\na:hover > * {\n text-decoration: underline;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nbutton:focus:not([disabled]) {\n border-color: var(--color-brand-primary);\n box-shadow: var(--focus-box-shadow);\n outline: transparent;\n}\n\n.go-Button {\n align-items: center;\n background-color: var(--color-button);\n border: 0.0625rem solid transparent;\n border-radius: var(--border-radius);\n color: var(--color-button-text);\n cursor: pointer;\n display: inline-flex;\n font-weight: 500;\n gap: 0.25rem;\n}\n\n.go-Button:not(.go-Button--inline) {\n padding: 0.5rem;\n}\n\n.go-Button--accented {\n background-color: var(--color-button-accented);\n color: var(--color-button-accented-text);\n}\n\n.go-Button--inverted,\n.go-Button--text,\n.go-Button--inline {\n background-color: var(--color-button-inverted);\n color: var(--color-button-inverted-text);\n}\n\n.go-Button--inline {\n background-color: transparent;\n}\n\n.go-Button--inverted {\n border: var(--border);\n}\n\n.go-Button:hover {\n box-shadow: var(--focus-box-shadow);\n filter: contrast(0.95);\n}\n\n.go-Button--inline:hover {\n box-shadow: none;\n text-decoration: underline var(--color-button-inverted-text);\n}\n\n.go-Button:focus {\n filter: contrast(0.95);\n}\n\n.go-Button--inverted:focus {\n border-color: var(--color-button-inverted-text);\n}\n\n.go-Button:active {\n box-shadow: none;\n filter: contrast(0.85);\n}\n\n.go-Button:disabled {\n background-color: var(--color-button-disabled);\n box-shadow: none;\n color: var(--color-button-text-disabled);\n cursor: initial;\n filter: none;\n text-decoration: none;\n}\n\n.go-Button--accented:disabled {\n background-color: var(--color-button-accented-disabled);\n color: var(--color-button-accented-text-disabled);\n}\n\n.go-Button--inverted:disabled,\n.go-Button--text:disabled,\n.go-Button--inline:disabled {\n background-color: var(--color-button-inverted-disabled);\n color: var(--color-button-inverted-text-disabled);\n}\n\n.go-Button--inline:disabled {\n background-color: transparent;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Breadcrumb ol {\n line-height: 1.5rem;\n white-space: initial;\n}\n\n.go-Breadcrumb li {\n align-items: center;\n color: var(--color-text-subtle);\n display: inline-flex;\n font-size: 0.875rem;\n}\n\n.go-Breadcrumb li:not(:last-child)::after {\n content: '>';\n padding: 0 0.5rem;\n}\n\n.go-Breadcrumb li:last-child > a {\n color: var(--color-text-subtle);\n}\n\n.go-Breadcrumb li > .go-Clipboard {\n margin: 0 0.5rem;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Carousel {\n align-items: center;\n display: flex;\n flex-direction: column;\n position: relative;\n text-align: center;\n}\n\n.go-Carousel-slide {\n margin: 0.5rem 3rem;\n}\n\n.go-Carousel-slide[aria-hidden] {\n display: none;\n}\n\n.go-Carousel-prevSlide {\n left: 0;\n}\n\n.go-Carousel-nextSlide {\n right: 0;\n}\n\n.go-Carousel-prevSlide,\n.go-Carousel-nextSlide {\n background-color: transparent;\n border-radius: var(--border-radius);\n font-size: 1.5rem;\n height: 2.75rem;\n margin-top: -1.375rem;\n opacity: 0;\n position: absolute;\n top: 50%;\n width: 2.75rem;\n}\n\n.go-Carousel-prevSlide:hover,\n.go-Carousel-nextSlide:hover {\n background-color: var(--color-background-accented);\n cursor: pointer;\n}\n\n.go-Carousel:hover .go-Carousel-prevSlide,\n.go-Carousel:hover .go-Carousel-nextSlide,\n.go-Carousel:focus-within .go-Carousel-prevSlide,\n.go-Carousel:focus-within .go-Carousel-nextSlide {\n opacity: 1;\n}\n\n.go-Carousel-dots {\n display: flex;\n font-size: 0.4375rem;\n gap: 0.5rem;\n}\n\n.go-Carousel-dot {\n background-color: var(--color-border);\n border-radius: 2rem;\n height: 0.4375rem;\n width: 0.4375rem;\n}\n\n.go-Carousel-dot--active,\n.go-Carousel-dot:hover {\n background-color: var(--color-text-subtle);\n}\n\n.go-Carousel-obscured {\n border: 0;\n clip: rect(0 0 0 0);\n height: 0.0625rem;\n margin: -0.0625rem;\n overflow: hidden;\n padding: 0;\n position: absolute;\n width: 0.0625rem;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Chip {\n background: var(--color-button);\n border: 0.0625rem solid var(--color-button);\n border-radius: 1.25rem;\n color: var(--color-button-text);\n font-size: 0.75rem;\n padding: 0.125rem 0.625rem;\n}\n\n.go-Chip--accented {\n background: var(--color-button-accented);\n border: 0.0625rem solid var(--color-button-accented);\n color: var(--color-button-accented-text);\n}\n\n.go-Chip--inverted {\n background: var(--color-button-inverted);\n border: var(--border);\n color: var(--color-text);\n}\n\n.go-Chip--highlighted {\n background: var(--color-background-highlighted-link);\n border-color: var(--color-background-highlighted-link);\n color: var(--color-brand-primary);\n}\n\n.go-Chip--alert {\n background: var(--pink);\n border: 0.0625rem solid var(--pink);\n color: var(--color-text-inverted);\n}\n\n.go-Chip--vuln {\n background: var(--pink-light);\n border: 0.0625rem solid var(--pink-light);\n color: var(--color-text-inverted);\n}\n\n.go-Chip--subtle {\n background-color: var(--color-background-accented);\n border-color: transparent;\n color: var(--color-text-subtle);\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Clipboard {\n position: relative;\n}\n\n.go-Clipboard::before {\n background-color: var(--color-background-inverted);\n border-radius: var(--border-radius);\n color: var(--color-text-inverted);\n content: attr(data-tooltip);\n display: block;\n font-size: 0.9em;\n left: calc(100% + 0.125rem);\n padding: 0.25rem 0.3rem;\n position: absolute;\n text-transform: uppercase;\n top: 0.125rem;\n white-space: nowrap;\n z-index: 1000;\n}\n\n.go-Clipboard::after {\n border-bottom: 0.25rem solid transparent;\n border-left: 0;\n border-right: 0.25rem solid var(--color-background-inverted);\n border-top: 0.25rem solid transparent;\n content: '';\n display: block;\n position: absolute;\n right: -0.125rem;\n top: 0.5625rem;\n z-index: 1000;\n}\n\n.go-Clipboard:not([data-tooltip])::before,\n.go-Clipboard:not([data-tooltip])::after,\n.go-Clipboard[data-tooltip='']::before,\n.go-Clipboard[data-tooltip='']::after {\n display: none;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n:root {\n /* Colors */\n --gray-1: #202224;\n --gray-2: #3e4042;\n --gray-3: #555759;\n --gray-4: #6e7072;\n --gray-5: #848688;\n --gray-6: #aaacae;\n --gray-7: #c6c8ca;\n --gray-8: #dcdee0;\n --gray-9: #f0f1f2;\n --gray-10: #f8f8f8;\n --turq-light: #5dc9e2;\n --turq-med: #50b7e0;\n --turq-dark: #007d9c;\n --blue: #bfeaf4;\n --blue-light: #f2fafd;\n --black: #000;\n --green: #3a6e11;\n --green-light: #5fda64;\n --pink: #c85e7a;\n --pink-light: #fdecf1;\n --purple: #542c7d;\n --slate: #253443; /* Footer background. */\n --white: #fff;\n --yellow: #fceea5;\n --yellow-light: #fff8cc;\n\n /* Color Intents */\n --color-brand-primary: var(--turq-dark);\n --color-background: var(--white);\n --color-background-inverted: var(--slate);\n --color-background-accented: var(--gray-10);\n --color-background-highlighted: var(--blue);\n --color-background-highlighted-link: var(--blue-light);\n --color-background-info: var(--gray-9);\n --color-background-warning: var(--yellow-light);\n --color-background-alert: var(--pink-light);\n --color-border: var(--gray-7);\n --color-text: var(--gray-1);\n --color-text-subtle: var(--gray-4);\n --color-text-link: var(--turq-dark);\n --color-text-inverted: var(--white);\n --color-code-comment: var(--green);\n\n /* Interactive Colors */\n --color-input: var(--color-background);\n --color-input-text: var(--color-text);\n --color-button: var(--turq-dark);\n --color-button-disabled: var(--gray-9);\n --color-button-text: var(--white);\n --color-button-text-disabled: var(--gray-3);\n --color-button-inverted: var(--color-background);\n --color-button-inverted-disabled: var(--color-background);\n --color-button-inverted-text: var(--color-brand-primary);\n --color-button-inverted-text-disabled: var(--color-text-subtle);\n --color-button-accented: var(--yellow);\n --color-button-accented-disabled: var(--gray-9);\n --color-button-accented-text: var(--gray-1);\n --color-button-accented-text-disabled: var(--gray-3);\n}\n\n[data-theme='dark'] {\n --color-brand-primary: var(--turq-med);\n --color-background: var(--gray-1);\n --color-background-accented: var(--gray-2);\n --color-background-highlighted: var(--gray-2);\n --color-background-highlighted-link: var(--gray-2);\n --color-background-info: var(--gray-3);\n --color-background-warning: var(--yellow);\n --color-background-alert: var(--pink);\n --color-border: var(--gray-4);\n --color-text: var(--gray-9);\n --color-text-link: var(--turq-med);\n --color-text-subtle: var(--gray-7);\n --color-code-comment: var(--green-light);\n}\n@media (prefers-color-scheme: dark) {\n :root:not([data-theme='light']) {\n --color-brand-primary: var(--turq-med);\n --color-background: var(--gray-1);\n --color-background-accented: var(--gray-2);\n --color-background-highlighted: var(--gray-2);\n --color-background-highlighted-link: var(--gray-2);\n --color-background-info: var(--gray-3);\n --color-background-warning: var(--yellow);\n --color-background-alert: var(--pink);\n --color-border: var(--gray-4);\n --color-text: var(--gray-9);\n --color-text-link: var(--turq-med);\n --color-text-subtle: var(--gray-7);\n --color-code-comment: var(--green-light);\n }\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Footer {\n background-color: var(--color-background-inverted);\n color: var(--color-text-inverted);\n font-size: 0.875rem;\n width: 100%;\n}\n\n[data-local='true'] .go-Footer {\n display: none;\n}\n\n.go-Footer-links {\n display: flex;\n flex-wrap: wrap;\n justify-content: space-between;\n margin: auto;\n max-width: 75.75rem;\n padding: 2rem 1.5rem 2.625rem;\n}\n\n.go-Footer-linkColumn {\n flex: 0 0 9.5rem;\n}\n\n.go-Footer .go-Footer-link {\n color: var(--color-text-inverted);\n display: flex;\n flex: 1;\n font-size: 0.875rem;\n line-height: 2rem;\n}\n\n.go-Footer .go-Footer-link--primary {\n font-size: 1.125rem;\n line-height: 1.75rem;\n margin-bottom: 0.5rem;\n margin-top: 0.75rem;\n}\n\n.go-Footer-bottom {\n align-items: center;\n border-top: var(--border);\n display: flex;\n margin: 0 1.5rem;\n min-height: 4.125rem;\n}\n\n.go-Footer-gopher {\n align-self: flex-end;\n height: 3.147rem;\n width: 5rem;\n}\n\n.go-Footer-listRow {\n display: flex;\n flex: 1;\n flex-wrap: wrap;\n list-style: none;\n margin: 0;\n padding: 0;\n text-align: center;\n}\n\n.go-Footer-listItem {\n align-items: center;\n display: flex;\n flex: 1 100%;\n justify-content: center;\n margin: 0.4rem 0;\n padding: 0 1rem;\n}\n\n.go-Footer-listItem a:link,\n.go-Footer-listItem a:visited {\n color: var(--color-text-inverted);\n}\n\n.go-Footer-listItem .go-Button--text {\n background-color: transparent;\n font-size: 1rem;\n margin: -0.5rem 0;\n}\n\n.go-Footer-listItem [data-value] {\n display: none;\n}\n\n[data-theme='auto'] .go-Footer-listItem [data-value='auto'],\n:root:not([data-theme]) .go-Footer-listItem [data-value='auto'] {\n display: initial;\n}\n\n[data-theme='dark'] .go-Footer-listItem [data-value='dark'] {\n display: initial;\n}\n\n[data-theme='light'] .go-Footer-listItem [data-value='light'] {\n display: initial;\n}\n\n.go-Footer-toggleTheme,\n.go-Footer-keyboard {\n margin: 0 0 0.5rem;\n}\n\n.go-Footer-googleLogo {\n align-self: flex-end;\n height: 1.5rem;\n margin-bottom: 1.3rem;\n text-align: right;\n}\n\n.go-Footer-googleLogoImg {\n height: 1.5rem;\n width: 4.529rem;\n}\n\n@media only screen and (min-width: 52rem) {\n .go-Footer-listItem {\n flex: initial;\n }\n\n .go-Footer-listItem + .go-Footer-listItem {\n border-left: var(--border);\n }\n\n .go-Footer-toggleTheme {\n margin: 0 0 0 -0.5rem;\n }\n\n .go-Footer-keyboard {\n margin: 0;\n }\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nselect:focus:not([disabled]),\ninput:focus:not([disabled]) {\n border-color: var(--color-brand-primary);\n box-shadow: var(--focus-box-shadow);\n outline: transparent;\n z-index: 2;\n}\n\ninput::placeholder {\n color: var(--color-text-subtle);\n}\n\n.go-Form {\n align-items: start;\n display: flex;\n flex-direction: column;\n gap: 1rem;\n}\n\n.go-Label {\n display: flex;\n flex-direction: column;\n gap: 0.5rem;\n}\n\n.go-Label--inline {\n align-items: center;\n flex-direction: row;\n}\n\n.go-Label legend {\n margin-bottom: 0.5rem;\n}\n\n.go-Label--inline legend {\n float: left;\n margin-bottom: 0;\n}\n\n.go-Input,\n.go-Select {\n background: var(--color-input);\n border: var(--border);\n border-radius: var(--border-radius);\n color: var(--color-input-text);\n}\n\n.go-Input {\n padding: 0.4063rem 0.5rem;\n}\n\n.go-Select {\n appearance: none;\n background: url('/static/shared/icon/arrow_drop_down_gm_grey_24dp.svg') right no-repeat;\n background-color: var(--color-background);\n background-position: right center;\n border-radius: var(--border-radius);\n margin: 0;\n padding: 0.3438rem 1.25rem 0.3438rem 0.5rem;\n}\n\n.go-InputGroup {\n display: flex;\n}\n\n.go-InputGroup .go-Input {\n flex: 1;\n}\n\n.go-InputGroup > :not(:first-child, :last-child) {\n border-radius: 0;\n margin-left: -0.0625rem;\n}\n\n.go-InputGroup > :first-child {\n border-bottom-right-radius: 0;\n border-top-right-radius: 0;\n}\n\n.go-InputGroup > :last-child {\n border-bottom-left-radius: 0;\n border-top-left-radius: 0;\n margin-left: -0.0625rem;\n}\n\n.go-InputGroup > *:hover,\n.go-InputGroup > *:focus {\n z-index: 1;\n}\n\n.go-ShortcutKey {\n display: flex;\n position: relative;\n}\n\n.go-ShortcutKey .go-Input {\n flex-grow: 1;\n}\n\n.go-ShortcutKey::after {\n align-self: center;\n background-color: var(--color-background-accented);\n border-radius: 0.5rem;\n color: var(--gray-6);\n content: attr(data-shortcut);\n content: attr(data-shortcut) / attr(data-shortcut-alt);\n display: none;\n font-size: 0.75rem;\n padding: 0.0625rem 0;\n position: absolute;\n right: 0.75rem;\n text-align: center;\n width: 1.5rem;\n z-index: 1;\n}\n@media only screen and (min-width: 52rem) {\n .go-ShortcutKey::after {\n display: initial;\n }\n}\n", "/*!\n * Copyright 2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-GopherMessage img {\n display: block;\n height: 15rem;\n margin: 0 auto;\n padding: 1.25rem 0;\n width: 15rem;\n}\n\n.go-GopherMessage p {\n font-weight: 600;\n margin: auto;\n text-align: center;\n}\n", "/* stylelint-disable no-descending-specificity */\n\n/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Banner {\n background-color: var(--gray-1);\n\n /**\n * Only show on wide viewports so the\n * text never wraps or gets cut off.\n */\n display: none;\n}\n\n.go-Banner-inner {\n align-items: center;\n display: flex;\n justify-content: space-between;\n margin: 0 auto;\n min-height: 2.5rem;\n padding: 0.5rem var(--gutter);\n}\n\n.Site--wide .go-Banner-inner {\n max-width: 98rem;\n}\n\n.go-Banner--full .go-Banner-inner {\n max-width: unset;\n}\n\n.go-Banner-message {\n color: var(--white);\n margin-right: 1.25rem;\n}\n\n.go-Banner-action:link,\n.go-Banner-action:visited {\n color: var(--white);\n text-decoration: underline;\n white-space: nowrap;\n}\n@media only screen and (min-width: 52rem) {\n .go-Banner {\n display: block;\n }\n}\n\n.go-Header {\n background: #007d9c;\n border-bottom: none;\n box-shadow: 0 0.0625rem 0.125rem rgb(171 171 171 / 30%);\n top: 0;\n width: 100%;\n z-index: 20;\n}\n\n.go-Header-inner {\n margin: 0 auto;\n padding: 0 var(--gutter);\n}\n\n.Site--wide .go-Header-inner {\n max-width: 98rem;\n}\n\n.go-Header--full .go-Header-inner {\n max-width: initial;\n}\n\n.go-Header-nav {\n align-items: center;\n display: flex;\n height: 3.5rem;\n justify-content: space-between;\n}\n\n.go-Header-rightContent {\n align-items: center;\n display: flex;\n height: 100%;\n justify-content: flex-end;\n width: 100%;\n}\n\n.go-Header-rightContent form {\n flex-grow: 1;\n}\n\n.go-Header-inner--dark {\n border-bottom: none;\n color: var(--white);\n}\n\n.go-Header-logo {\n display: block;\n height: 2rem;\n margin-right: 2.25rem;\n width: 5.125rem;\n}\n\n.go-Header-logo--hidden {\n display: none;\n}\n\n.go-Header-menuItem {\n display: none;\n position: relative;\n}\n\n.go-Header-menu {\n align-items: stretch;\n display: flex;\n height: 100%;\n list-style: none;\n margin: 0;\n padding: 0;\n}\n\n[data-local='true'] .go-Header-menu {\n display: none;\n}\n\n.go-Header-submenu {\n background: transparent;\n background-color: var(--color-background);\n border: 0.0625rem solid #007d9d;\n border-width: 0 0.0625rem 0.0625rem;\n color: var(--color-text);\n display: none;\n flex-flow: column wrap;\n list-style-type: none;\n margin-top: 3.5rem;\n opacity: 0;\n padding: 1.5rem 1.5rem 0;\n position: absolute;\n transition: all 0.2s ease;\n visibility: hidden;\n}\n\n.go-Header-menuItem:hover > .js-desktop-menu-hover:not(.forced-closed) ~ .go-Header-submenu,\n.go-Header-menuItem:focus-within > .js-desktop-menu-hover:not(.forced-closed) ~ .go-Header-submenu {\n display: flex;\n opacity: 1;\n visibility: visible;\n}\n\n.go-Header-menuItem .go-Header-submenuItem a:link,\n.go-Header-menuItem .go-Header-submenuItem a:visited {\n align-items: baseline;\n border-bottom: none;\n color: var(--color-text-link);\n display: inline-flex;\n font-weight: 400;\n margin: 0;\n margin-bottom: -0.125rem;\n padding: 0;\n}\n\n.go-Header-menuItem .go-Icon {\n filter: brightness(0%) saturate(100%) invert(100%);\n font-size: 1.25rem;\n}\n\n.go-Header-menuItem .go-Header-submenuItem .go-Icon,\n.go-NavigationDrawer-listItem .go-Icon {\n filter: brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(162deg)\n brightness(71%) contrast(177%);\n}\n\n.go-Header-submenu .go-Header-submenuItem i {\n font-size: 0.75rem;\n margin-left: 0.25rem;\n transform: translateY(0.1rem); /* to get bottom alignment w/ text */\n}\n\n.go-Header-menu .go-Header-submenu--why {\n left: -0.0625rem;\n width: 18.5rem;\n}\n\n.go-Header-menu .go-Header-submenu--docs {\n height: 20.78rem;\n left: -12rem;\n width: 37.25rem;\n}\n\n.go-Header-menu .go-Header-submenu--community {\n height: 18.4rem;\n right: -0.0625rem;\n width: 37.25rem;\n}\n\n.go-Header-socialIcons {\n display: flex;\n flex-wrap: wrap;\n}\n\n.go-Header-submenu .go-Header-submenuItem a.go-Header-socialIcon {\n display: inline-flex;\n flex: 0 1 auto;\n width: auto;\n}\n\n.go-Header-submenu .go-Header-submenuItem a.go-Header-socialIcon:not(:last-child) {\n margin-right: 0.75rem;\n}\n@media only screen and (min-width: 65rem) {\n .go-Header-menuItem {\n align-items: stretch;\n display: inline-flex;\n flex: none;\n }\n\n .go-Header-menu {\n justify-content: flex-end;\n }\n\n .go-Header-navOpen {\n display: none;\n }\n}\n\n.go-Header-menuItem .js-desktop-menu-hover img {\n pointer-events: none;\n}\n\n.go-Header-menuItem a:link,\n.go-Header-menuItem a:visited {\n align-items: center;\n border-bottom: 0.1875rem solid transparent;\n border-top: 0.1875rem solid transparent; /* To ensure the text remains centered. */\n color: var(--color-text);\n display: inline-flex;\n padding: 0 1.5rem;\n text-align: center;\n text-decoration: none;\n width: 100%;\n}\n\n.go-Header-menuItem--active a:link,\n.go-Header-menuItem--active a:visited {\n border-bottom-color: var(--turq-med);\n font-weight: bold;\n}\n\n.go-Header-menuItem a:hover {\n border-bottom-color: var(--white);\n}\n\n.go-Header-menuItem:hover > a:not(.forced-closed).js-desktop-menu-hover,\n.go-Header-menuItem:focus-within > a:not(.forced-closed).js-desktop-menu-hover {\n background: var(--white);\n border-color: var(--white);\n color: var(--color-text-link);\n}\n\n/* Need to get around icon.css color management */\n@media (prefers-color-scheme: dark) {\n :root:not([data-theme='light'])\n .go-Header-menuItem:hover\n > a:not(.forced-closed).js-desktop-menu-hover\n .go-Icon,\n :root:not([data-theme='light'])\n .go-Header-menuItem:focus-within\n > a:not(.forced-closed).js-desktop-menu-hover\n .go-Icon {\n filter: brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(158deg)\n brightness(83%) contrast(157%);\n }\n\n :root:not([data-theme='light']) .go-Header-submenuItem .go-Icon:not(.go-Icon--accented) {\n filter: brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(163deg)\n brightness(80%) contrast(157%);\n }\n}\n\n.go-NavigationDrawer-listItem > div:not(.go-NavigationDrawer),\n.go-NavigationDrawer-listItem a:link,\n.go-NavigationDrawer-listItem a:visited {\n display: block;\n margin: 0 1rem;\n padding: 0.5rem;\n}\n\n.go-NavigationDrawer-listItem > span {\n color: var(--gray-2);\n}\n\n.go-Header-inner--dark .go-Header-menuItem a:link,\n.go-Header-inner--dark .go-Header-menuItem a:visited {\n color: var(--white);\n}\n\n.go-NavigationDrawer-listItem.go-NavigationDrawer-hasSubnav > a i {\n float: right;\n}\n\n.go-Header-inner--dark .go-Header-menuItem .go-Header-submenuItem {\n color: var(--color-text-link);\n}\n\n.go-Header-inner--dark .go-Header-menuItem .js-desktop-menu-hover.is-expanded {\n background-color: var(--white);\n color: var(--color-text-link);\n}\n\n.go-Header-inner--dark .go-Header-menuItem .go-Header-submenu a:link,\n.go-Header-inner--dark .go-Header-menuItem .go-Header-submenu a:visited {\n align-items: baseline;\n color: var(--color-text-link);\n display: inline-flex;\n margin-bottom: -0.125rem;\n width: auto;\n}\n\n.go-Header-submenu .go-Header-submenuItem a:link,\n.go-Header-submenu .go-Header-submenuItem a:visited {\n border-bottom: none;\n font-weight: 400;\n margin: 0;\n padding: 0;\n}\n\n.go-Header-inner--dark .go-Header-menuItem:hover > a:not(.forced-closed).js-desktop-menu-hover,\n.go-Header-inner--dark\n .go-Header-menuItem:focus-within\n > a:not(.forced-closed).js-desktop-menu-hover {\n background: var(--color-background);\n border-color: var(--color-background);\n}\n\n.go-Header-submenu p {\n max-width: 15.5rem;\n}\n\n.go-Header-submenu a:link:hover,\n.go-Header-submenu a:visited:hover {\n border-bottom: 0.125rem solid var(--turq-dark);\n text-decoration: none;\n}\n\n.go-Header-submenu a:link:hover > *,\n.go-Header-submenu a:visited:hover > * {\n text-decoration: none;\n}\n\n.go-Header-submenu .go-Header-submenuItem {\n line-height: 1;\n padding-bottom: 1.5rem;\n}\n\n.go-Header-submenu .go-Header-submenuItem p {\n color: var(--color-text-subtle);\n font-size: 0.875rem;\n margin-top: 0.55rem;\n}\n\n.go-Header-inner--dark .go-Header-submenu .go-Header-submenuItem p {\n color: var(--color-text-subtle);\n}\n\n.go-Header-navOpen {\n background: no-repeat center/2rem url('/images/menu-24px.svg');\n border: none;\n height: 2.5rem;\n margin-left: 1rem;\n width: 2.5rem;\n}\n\n.go-Header-navOpen--hidden {\n display: none;\n}\n\n.go-Header-navOpen--white {\n background: no-repeat center/2rem url('/static/shared/icon/menu_gm_grey_24dp.svg');\n filter: brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg)\n brightness(103%) contrast(107%);\n}\n\n.go-SearchForm--expanded {\n flex-grow: 1;\n}\n\n.go-SearchForm-form {\n display: none;\n}\n\n.go-SearchForm-form::after {\n right: 2.75rem;\n}\n\n.go-SearchForm--expanded .go-SearchForm-form {\n display: flex;\n}\n\n.go-SearchForm-expandSearch {\n appearance: none;\n background: none;\n font-size: 1.5rem;\n}\n\n.go-SearchForm--expanded .go-SearchForm-expandSearch {\n display: none;\n}\n\n@media only screen and (min-width: 32rem) {\n .go-Header-rightContent {\n width: 100%;\n }\n\n .go-SearchForm {\n flex: 1;\n }\n\n .go-SearchForm-form {\n display: flex;\n }\n\n .go-SearchForm-expandSearch {\n display: none;\n }\n\n .go-Header-logo--hidden {\n display: initial;\n }\n}\n\n.go-NavigationDrawer {\n background: var(--color-background);\n height: 100%;\n left: auto;\n max-width: 27rem;\n position: fixed;\n right: 0;\n top: 0;\n transform: translateX(100%);\n transition: transform 100ms ease-in-out;\n width: 85%;\n z-index: 30;\n}\n@media only screen and (min-width: 65rem) {\n .go-NavigationDrawer {\n display: none;\n }\n}\n\n.go-NavigationDrawer.is-active {\n transform: translateX(0);\n}\n\n.go-NavigationDrawer-header {\n border-bottom: 0.0625rem solid #eee;\n margin-bottom: 0.5rem;\n}\n\n.go-NavigationDrawer-submenuItem {\n width: 100%;\n}\n\n.go-NavigationDrawer-submenuItem .go-NavigationDrawer-header {\n align-items: center;\n color: var(--color-text-link);\n display: flex;\n font-size: 1.375rem;\n justify-content: flex-start;\n min-height: 4.0625rem;\n padding: 0.5rem;\n padding-left: 1.5rem;\n}\n\n.go-NavigationDrawer-submenuItem .go-NavigationDrawer-header > a {\n display: flex;\n margin-left: 0;\n}\n\n.go-NavigationDrawer-logo {\n display: block;\n height: 2rem;\n margin: 1rem;\n width: 5.125rem;\n}\n\n.go-NavigationDrawer-list {\n list-style: none;\n margin: 0;\n padding: 0;\n}\n\n.go-NavigationDrawer-listItem {\n color: var(--color-text-subtle);\n font-size: 1.125rem;\n margin: 0 0.5rem;\n}\n\n.go-NavigationDrawer-listItem--active {\n background-color: var(--blue);\n border-radius: 0.4rem;\n}\n\n.go-NavigationDrawer-listItem .material-icons {\n color: var(--color-brand-primary);\n display: inline-block;\n margin-right: 0.5rem;\n text-decoration: none;\n vertical-align: sub;\n}\n@media only screen and (max-width: 57.7rem) {\n .go-NavigationDrawer-listItem .go-Header-socialIcons {\n padding: 0.5rem 0;\n }\n\n .go-NavigationDrawer-listItem a.go-Header-socialIcon {\n display: inline-block;\n margin: 0;\n padding: 0 0.5rem;\n }\n\n @media (prefers-color-scheme: dark) {\n :root:not([data-theme='light']) .go-NavigationDrawer-listItem .go-Icon:not(.go-Icon--accented) {\n filter: brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(163deg)\n brightness(80%) contrast(157%);\n }\n }\n}\n\n.go-NavigationDrawer-scrim {\n display: none;\n height: 100%;\n left: 0;\n position: fixed;\n top: 0;\n width: 100%;\n z-index: 20;\n}\n\n.go-NavigationDrawer.is-active + .go-NavigationDrawer-scrim {\n background-color: var(--gray-1);\n display: block;\n opacity: 0.32;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.depsdev-Icon {\n height: 1.125em;\n vertical-align: text-bottom;\n width: auto;\n}\n\n.go-Icon {\n filter: none;\n height: 1.125em;\n vertical-align: text-bottom;\n width: auto;\n}\n\n.go-Icon--accented {\n filter: brightness(0) invert(45%) sepia(94%) saturate(6735%) hue-rotate(176deg) brightness(94%)\n contrast(101%);\n}\n\n.go-Icon--inverted {\n filter: brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg)\n brightness(103%) contrast(107%);\n}\n\n[data-theme='dark'] .go-Icon:not(.go-Icon--accented) {\n filter: brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg)\n brightness(103%) contrast(107%);\n}\n\n[data-theme='dark'] .go-Icon--accented {\n filter: brightness(0) invert(69%) sepia(46%) saturate(466%) hue-rotate(153deg) brightness(90%)\n contrast(88%);\n}\n@media (prefers-color-scheme: dark) {\n :root:not([data-theme='light']) .go-Icon:not(.go-Icon--accented) {\n filter: brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg)\n brightness(103%) contrast(107%);\n }\n\n :root:not([data-theme='light']) .go-Icon--accented {\n filter: brightness(0) invert(57%) sepia(63%) saturate(4864%) hue-rotate(160deg) brightness(100%)\n contrast(101%);\n }\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Message {\n color: var(--color-text);\n font-size: 0.875rem;\n line-height: 1.5rem;\n padding: 0.25rem 0.5rem;\n width: 100%;\n}\n\n.go-Message--notice {\n background-color: var(--color-background-info);\n}\n\n.go-Message--warning {\n background-color: var(--color-background-warning);\n color: var(--gray-1);\n}\n\n.go-Message--alert {\n background-color: var(--color-background-alert);\n}\n\n.go-Message > .go-Icon {\n vertical-align: text-top;\n}\n\n[data-theme='dark'] .go-Message a:not(:hover) {\n color: var(--color-text);\n text-decoration: underline;\n}\n\n[data-theme='dark'] .go-Message--warning .go-Icon {\n filter: none;\n}\n@media (prefers-color-scheme: dark) {\n :root:not([data-theme='light']) .go-Message--warning .go-Icon {\n filter: none;\n }\n}\n", "dialog {\n position: absolute;\n left: 0; right: 0;\n width: -moz-fit-content;\n width: -webkit-fit-content;\n width: fit-content;\n height: -moz-fit-content;\n height: -webkit-fit-content;\n height: fit-content;\n margin: auto;\n border: solid;\n padding: 1em;\n background: white;\n color: black;\n display: block;\n}\n\ndialog:not([open]) {\n display: none;\n}\n\ndialog + .backdrop {\n position: fixed;\n top: 0; right: 0; bottom: 0; left: 0;\n background: rgba(0,0,0,0.1);\n}\n\n._dialog_overlay {\n position: fixed;\n top: 0; right: 0; bottom: 0; left: 0;\n}\n\ndialog.fixed {\n position: fixed;\n top: 50%;\n transform: translate(0, -50%);\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n@import url('../../../third_party/dialog-polyfill/dialog-polyfill.css');\n\n.go-Modal {\n background: var(--color-background);\n border: var(--border);\n border-radius: var(--border-radius);\n bottom: 0;\n box-shadow: var(--box-shadow);\n color: var(--color-text);\n display: flex;\n flex-direction: column;\n gap: 1rem;\n max-height: 100%;\n max-width: 100%;\n position: fixed;\n top: 0;\n}\n\n.go-Modal > form {\n display: contents;\n}\n\n.go-Modal--small {\n width: 20rem;\n}\n\n.go-Modal--md {\n width: 30rem;\n}\n\n.go-Modal--lg {\n width: 40rem;\n}\n\n.go-Modal-header {\n display: flex;\n justify-content: space-between;\n}\n\n.go-Modal-header h2 {\n font-size: 1.15rem;\n line-height: 1.25rem;\n}\n\n.go-Modal-body {\n flex-grow: 1;\n min-height: 2rem;\n min-width: 18rem;\n}\n\n.go-Modal-actions {\n text-align: right;\n}\n\n/* Safari only */\n@media not all and (min-resolution: 0.001dpcm) {\n @supports (-webkit-appearance: none) {\n .go-Modal {\n padding-bottom: 0;\n }\n }\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Tree {\n --js-tree-height: 0;\n\n display: flex;\n flex-direction: column;\n}\n\n.go-Tree ul {\n list-style: none;\n padding-left: 0;\n}\n\n.go-Tree li:last-of-type {\n padding-bottom: 0.25rem;\n}\n\n.go-Tree a + ul {\n display: none;\n}\n\n.go-Tree a[aria-expanded='true'] + ul[role='group'] {\n display: block;\n}\n\n.go-Tree a[aria-level='1'] + ul[role='group'] {\n max-height: calc(\n 100vh - var(--js-tree-height, 0) - var(--js-sticky-header-height, 3.5rem) - 5rem\n );\n overflow-y: auto;\n padding: 0.5rem 0.25rem 0;\n}\n\n.go-Tree a {\n color: var(--color-text-subtle);\n display: block;\n line-height: 1.5rem;\n overflow: hidden;\n padding: 0.125rem 0 0.125rem 1.25rem;\n position: relative;\n text-overflow: ellipsis;\n user-select: none;\n white-space: nowrap;\n}\n\n.go-Tree > li > a,\n.go-Tree a[aria-level='1'] {\n display: block;\n font-size: 1rem;\n font-weight: 500;\n line-height: 2.5rem;\n padding: 0 1rem;\n}\n\n.go-Tree a:focus,\n.go-Tree a:hover {\n text-decoration: underline;\n z-index: 1;\n}\n\n.go-Tree a[aria-selected='true'] {\n color: var(--color-text);\n font-weight: 500;\n}\n\n.go-Tree a[aria-level='1'][aria-selected='true'],\n.go-Tree a[aria-level='1'][aria-expanded='true'] {\n background-color: var(--color-background-accented);\n}\n\n.go-Tree a[aria-level='3'][aria-expanded='true'] {\n margin-bottom: 0.375em;\n}\n\n.go-Tree a[aria-level='2'] {\n margin-bottom: 0.25rem;\n position: relative;\n}\n\n.go-Tree a[aria-level='3'] {\n padding-left: 2.5rem;\n}\n\n.go-Tree a[aria-level='4'] {\n border-left: 0.125rem solid var(--color-background-accented);\n margin-left: 2.5rem;\n padding-left: 0.5rem;\n}\n\n.go-Tree a[aria-selected='true'][aria-level='2']:not([aria-expanded])::before,\n.go-Tree a[aria-selected='true'][aria-level='3']:not([aria-expanded])::before {\n background-color: var(--color-brand-primary);\n border-radius: 50%;\n content: '';\n display: block;\n height: 0.3125rem;\n left: 0.4688rem;\n position: absolute;\n top: 0.75rem;\n width: 0.3125rem;\n}\n\n.go-Tree a[aria-expanded][aria-owns][aria-level='2']::before,\n.go-Tree a[aria-expanded][aria-owns][aria-level='3']::before {\n border-bottom: 0.25rem solid transparent;\n border-left: 0.25rem solid var(--color-border);\n border-right: 0;\n border-top: 0.25rem solid transparent;\n content: '';\n display: block;\n height: 0;\n left: 0.5rem;\n position: absolute;\n top: 0.625rem;\n transition: transform 0.1s linear;\n width: 0;\n}\n\n.go-Tree a[aria-expanded='true'][aria-level='2']::before,\n.go-Tree a[aria-expanded='true'][aria-level='3']::before {\n transform: rotate(90deg);\n}\n\n.go-Tree a[aria-expanded][aria-level='3']:not([empty])::before,\n.go-Tree a[aria-selected][aria-level='3']:not([empty])::before {\n left: 1.5rem;\n top: 0.75rem;\n}\n\n.go-Tree a[aria-selected='true'][aria-level='4'] {\n border-left: 0.125rem solid var(--color-brand-primary);\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-TabNav {\n margin: 0 0 0.5rem;\n}\n\n.go-TabNav ul {\n display: flex;\n gap: 2rem;\n}\n\n.go-TabNav li {\n border-bottom: 0.25rem transparent solid;\n display: flex;\n font-size: 1rem;\n height: 2.375rem;\n padding: 0 0.25rem;\n}\n\n.go-TabNav li[aria-current] {\n border-color: var(--color-brand-primary);\n}\n\n.go-TabNav li:hover {\n border-color: var(--color-brand-primary);\n}\n\n.go-TabNav a {\n align-items: center;\n color: var(--color-text-subtle);\n display: inline-flex;\n}\n\n.go-TabNav li:hover a {\n text-decoration: none;\n}\n\n.go-TabNav li[aria-current] a {\n color: var(--color-text);\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Tooltip {\n border-radius: var(--border-radius);\n cursor: pointer;\n display: inline-block;\n position: relative;\n}\n\n.go-Tooltip > summary {\n list-style: none;\n}\n\n.go-Tooltip > summary::-webkit-details-marker,\n.go-Tooltip > summary::marker {\n display: none;\n}\n\n.go-Tooltip > summary > img {\n vertical-align: text-bottom;\n}\n\n.go-Tooltip p {\n background: var(--color-background) 80%;\n border: var(--border);\n border-radius: var(--border-radius);\n color: var(--color-text);\n font-size: 0.75rem;\n letter-spacing: 0.0187rem;\n line-height: 1rem;\n padding: 0.5rem;\n position: absolute;\n top: 1.5rem;\n white-space: normal;\n width: 12rem;\n z-index: 100;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n@import url('./reset.css');\n\n/**\n * Typography should be imported first in the list below to ensure expected\n * CSS rule inheritance on text elements.\n */\n@import url('./typography/typography.css');\n@import url('./button/button.css');\n@import url('./breadcrumb/breadcrumb.css');\n@import url('./carousel/carousel.css');\n@import url('./chip/chip.css');\n@import url('./clipboard/clipboard.css');\n@import url('./color/color.css');\n@import url('./footer/footer.css');\n@import url('./form/form.css');\n@import url('./gopher/gopher.css');\n@import url('./header/header.css');\n@import url('./icon/icon.css');\n@import url('./message/message.css');\n@import url('./modal/modal.css');\n@import url('./outline/tree.css');\n@import url('./tabnav/tabnav.css');\n@import url('./tooltip/tooltip.css');\n\n:root {\n /* Padding at the left and right of the viewport. */\n --gutter: 1.5rem;\n\n /* Margin between containers in the grid layout. */\n --gap: 1rem;\n\n /* The margin placed above elements scrolled to by clicking hash links. */\n --scroll-margin: calc(\n var(--js-sticky-header-height, 3.5rem) + var(--js-sticky-nav-height, 0) + 2rem\n );\n\n /* Default styles for page elements. */\n --border: 0.0625rem solid var(--color-border);\n --border-radius: 0.25rem;\n --box-shadow: 0 0 0.375rem 0 rgb(0 0 0 / 25%);\n --focus-box-shadow: 0 0 0.0625rem 0.0625rem rgb(0 112 210 / 60%);\n}\n\n[data-theme='dark'] {\n --box-shadow: 0 0.3125rem 0.9375rem rgb(0 0 0 / 45%);\n}\n@media (prefers-color-scheme: dark) {\n :root:not([data-theme='light']) {\n --box-shadow: 0 0.3125rem 0.9375rem rgb(0 0 0 / 45%);\n }\n}\n@media (min-width: 50rem) {\n :root {\n --gap: 2rem;\n --scroll-margin: calc(\n var(--js-sticky-header-height, 3.5rem) + var(--js-sticky-nav-height, 0) + 1rem\n );\n }\n}\n\n*:target {\n scroll-margin-top: var(--scroll-margin);\n}\n\nbody {\n background-color: var(--color-background);\n display: flex;\n flex-direction: column;\n min-height: 100vh;\n min-width: 23.5rem;\n\n /**\n * This is used to programatically detect whether overflow needs to be altered\n * to prevent jitter when focusing within fixed elements on iOS.\n * It also must be set to 'touch' for the fix to work.\n */\n -webkit-overflow-scrolling: touch;\n}\n\n.go-Container {\n display: flex;\n flex-direction: column;\n flex-grow: 1;\n height: 100%;\n margin-bottom: 5rem;\n}\n\n.go-Content {\n display: flex;\n flex-flow: column;\n gap: 1rem;\n margin: 0 auto;\n max-width: 63rem;\n min-height: 32rem;\n padding: 2rem var(--gutter);\n width: 100%;\n}\n\n.go-Content--center {\n justify-content: center;\n margin: auto;\n}\n", "/*!\n* Copyright 2021 The Go Authors. All rights reserved.\n* Use of this source code is governed by a BSD-style\n* license that can be found in the LICENSE file.\n*/\n\n.JumpDialog-body {\n height: 12rem;\n overflow-y: auto;\n}\n\n.JumpDialog-list {\n display: flex;\n flex-direction: column;\n}\n\n.JumpDialog-input {\n width: 100%;\n}\n\n.JumpDialog a {\n padding: 0.25rem;\n text-decoration: none;\n}\n\n.JumpDialog .JumpDialog-active {\n background-color: var(--color-brand-primary);\n color: var(--white);\n}\n\n.ShortcutsDialog-key {\n text-align: right;\n}\n\n.ShortcutsDialog table {\n padding: 0 1rem;\n}\n\n.ShortcutsDialog td {\n padding-bottom: 0.5rem;\n padding-left: 0.5rem;\n}\n\n.ShortcutsDialog-theme span {\n display: none;\n}\n\n[data-theme='light'] .ShortcutsDialog-themeLight {\n display: initial;\n}\n\n[data-theme='dark'] .ShortcutsDialog-themeDark {\n display: initial;\n}\n\n[data-theme=''] .ShortcutsDialog-themeAuto,\n[data-theme='auto'] .ShortcutsDialog-themeAuto {\n display: initial;\n}\n"],
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+ "sources": ["../shared/reset.css", "../shared/typography/typography.css", "../shared/button/button.css", "../shared/breadcrumb/breadcrumb.css", "../shared/carousel/carousel.css", "../shared/chip/chip.css", "../shared/clipboard/clipboard.css", "../shared/color/color.css", "../shared/footer/footer.css", "../shared/form/form.css", "../shared/gopher/gopher.css", "../shared/header/header.css", "../shared/icon/icon.css", "../shared/message/message.css", "../../third_party/dialog-polyfill/dialog-polyfill.css", "../shared/modal/modal.css", "../shared/outline/tree.css", "../shared/tabnav/tabnav.css", "../shared/tooltip/tooltip.css", "../shared/shared.css", "_modals.css", "frontend.css"],
+ "sourcesContent": ["/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/*!\n * http://meyerweb.com/eric/tools/css/reset/\n * v2.0 | 20110126\n * License: none (public domain)\n */\n\nhtml,\nbody,\nbutton,\ndiv,\nspan,\napplet,\nobject,\niframe,\nh1,\nh2,\nh3,\nh4,\nh5,\nh6,\nhr,\ninput,\np,\nblockquote,\npre,\na,\nabbr,\nacronym,\naddress,\nbig,\ncite,\ncode,\ndel,\ndfn,\ndialog,\nem,\nimg,\nins,\nkbd,\nq,\ns,\nsamp,\nsmall,\nstrike,\nstrong,\nsub,\nsup,\ntt,\nvar,\nb,\nu,\ni,\ncenter,\ndl,\ndt,\ndd,\nol,\nul,\nli,\nfieldset,\nform,\nlabel,\nlegend,\ntable,\ncaption,\ntbody,\ntfoot,\nthead,\ntr,\nth,\ntd,\narticle,\naside,\ncanvas,\ndetails,\nembed,\nfigure,\nfigcaption,\nfooter,\nheader,\nhgroup,\nmenu,\nnav,\noutput,\nruby,\nsection,\nsummary,\ntime,\nmark,\naudio,\nvideo {\n border: 0;\n font: inherit;\n font-size: 100%;\n margin: 0;\n padding: 0;\n vertical-align: baseline;\n}\n\n/* HTML5 display-role reset for older browsers */\narticle,\naside,\ndetails,\nfigcaption,\nfigure,\nfooter,\nheader,\nhgroup,\nmenu,\nnav,\nsection {\n display: block;\n}\n\nbody {\n line-height: 1;\n}\n\nol,\nul {\n list-style: none;\n}\n\nblockquote,\nq {\n quotes: none;\n}\n\nblockquote::before,\nblockquote::after,\nq::before,\nq::after {\n content: '';\n content: none;\n}\n\ntable {\n border-collapse: collapse;\n border-spacing: 0;\n}\n\n*,\n::before,\n::after {\n box-sizing: border-box;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nbody {\n color: var(--color-text);\n font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif,\n 'Apple Color Emoji', 'Segoe UI Emoji';\n font-size: 1rem;\n line-height: normal;\n}\n\nh1 {\n font-size: 1.5rem;\n}\n\nh2 {\n font-size: 1.375rem;\n}\n\nh3 {\n font-size: 1.25rem;\n}\n\nh4 {\n font-size: 1.125rem;\n}\n\nh5 {\n font-size: 1rem;\n}\n\nh6 {\n font-size: 0.875rem;\n}\n\nh1,\nh2,\nh3,\nh4 {\n font-weight: 600;\n line-height: 1.25em;\n word-break: break-word;\n}\n\nh5,\nh6 {\n font-weight: 500;\n line-height: 1.3em;\n word-break: break-word;\n}\n\nhr {\n border: none;\n border-bottom: var(--border);\n margin: 0;\n width: 100%;\n}\n\np {\n font-size: 1rem;\n line-height: 1.5rem;\n max-width: 60rem;\n}\n\nstrong {\n font-weight: 600;\n}\n\n.go-textSubtle {\n color: var(--color-text-subtle);\n}\n\n.go-textTitle {\n font-size: 1.125rem;\n font-weight: 600;\n line-height: 1.25rem;\n}\n\n.go-textLabel {\n font-size: 0.875rem;\n font-weight: 600;\n line-height: 1rem;\n}\n\n.go-textPagination {\n font-size: 0.875rem;\n line-height: 1rem;\n}\n\ncode,\npre,\ntextarea.code {\n font-family: SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;\n font-size: 0.875rem;\n line-height: 1.5em;\n}\n\npre,\ntextarea.code {\n background-color: var(--color-background-accented);\n border: var(--border);\n border-radius: var(--border-radius);\n color: var(--color-text);\n overflow-x: auto;\n padding: 0.625rem;\n tab-size: 4;\n white-space: pre;\n}\n\nbutton,\ninput,\nselect,\ntextarea {\n font: inherit;\n}\n\na,\na:link,\na:visited {\n color: var(--color-brand-primary);\n text-decoration: none;\n}\n\na:hover {\n color: var(--color-brand-primary);\n text-decoration: underline;\n}\n\na:hover > * {\n text-decoration: underline;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nbutton:focus:not([disabled]) {\n border-color: var(--color-brand-primary);\n box-shadow: var(--focus-box-shadow);\n outline: transparent;\n}\n\n.go-Button {\n align-items: center;\n background-color: var(--color-button);\n border: 0.0625rem solid transparent;\n border-radius: var(--border-radius);\n color: var(--color-button-text);\n cursor: pointer;\n display: inline-flex;\n font-weight: 500;\n gap: 0.25rem;\n}\n\n.go-Button:not(.go-Button--inline) {\n padding: 0.5rem;\n}\n\n.go-Button--accented {\n background-color: var(--color-button-accented);\n color: var(--color-button-accented-text);\n}\n\n.go-Button--inverted,\n.go-Button--text,\n.go-Button--inline {\n background-color: var(--color-button-inverted);\n color: var(--color-button-inverted-text);\n}\n\n.go-Button--inline {\n background-color: transparent;\n}\n\n.go-Button--inverted {\n border: var(--border);\n}\n\n.go-Button:hover {\n box-shadow: var(--focus-box-shadow);\n filter: contrast(0.95);\n}\n\n.go-Button--inline:hover {\n box-shadow: none;\n text-decoration: underline var(--color-button-inverted-text);\n}\n\n.go-Button:focus {\n filter: contrast(0.95);\n}\n\n.go-Button--inverted:focus {\n border-color: var(--color-button-inverted-text);\n}\n\n.go-Button:active {\n box-shadow: none;\n filter: contrast(0.85);\n}\n\n.go-Button:disabled {\n background-color: var(--color-button-disabled);\n box-shadow: none;\n color: var(--color-button-text-disabled);\n cursor: initial;\n filter: none;\n text-decoration: none;\n}\n\n.go-Button--accented:disabled {\n background-color: var(--color-button-accented-disabled);\n color: var(--color-button-accented-text-disabled);\n}\n\n.go-Button--inverted:disabled,\n.go-Button--text:disabled,\n.go-Button--inline:disabled {\n background-color: var(--color-button-inverted-disabled);\n color: var(--color-button-inverted-text-disabled);\n}\n\n.go-Button--inline:disabled {\n background-color: transparent;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Breadcrumb ol {\n line-height: 1.5rem;\n white-space: initial;\n}\n\n.go-Breadcrumb li {\n align-items: center;\n color: var(--color-text-subtle);\n display: inline-flex;\n font-size: 0.875rem;\n}\n\n.go-Breadcrumb li:not(:last-child)::after {\n content: '>';\n padding: 0 0.5rem;\n}\n\n.go-Breadcrumb li:last-child > a {\n color: var(--color-text-subtle);\n}\n\n.go-Breadcrumb li > .go-Clipboard {\n margin: 0 0.5rem;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Carousel {\n align-items: center;\n display: flex;\n flex-direction: column;\n position: relative;\n text-align: center;\n}\n\n.go-Carousel-slide {\n margin: 0.5rem 3rem;\n}\n\n.go-Carousel-slide[aria-hidden] {\n display: none;\n}\n\n.go-Carousel-prevSlide {\n left: 0;\n}\n\n.go-Carousel-nextSlide {\n right: 0;\n}\n\n.go-Carousel-prevSlide,\n.go-Carousel-nextSlide {\n background-color: transparent;\n border-radius: var(--border-radius);\n font-size: 1.5rem;\n height: 2.75rem;\n margin-top: -1.375rem;\n opacity: 0;\n position: absolute;\n top: 50%;\n width: 2.75rem;\n}\n\n.go-Carousel-prevSlide:hover,\n.go-Carousel-nextSlide:hover {\n background-color: var(--color-background-accented);\n cursor: pointer;\n}\n\n.go-Carousel:hover .go-Carousel-prevSlide,\n.go-Carousel:hover .go-Carousel-nextSlide,\n.go-Carousel:focus-within .go-Carousel-prevSlide,\n.go-Carousel:focus-within .go-Carousel-nextSlide {\n opacity: 1;\n}\n\n.go-Carousel-dots {\n display: flex;\n font-size: 0.4375rem;\n gap: 0.5rem;\n}\n\n.go-Carousel-dot {\n background-color: var(--color-border);\n border-radius: 2rem;\n height: 0.4375rem;\n width: 0.4375rem;\n}\n\n.go-Carousel-dot--active,\n.go-Carousel-dot:hover {\n background-color: var(--color-text-subtle);\n}\n\n.go-Carousel-obscured {\n border: 0;\n clip: rect(0 0 0 0);\n height: 0.0625rem;\n margin: -0.0625rem;\n overflow: hidden;\n padding: 0;\n position: absolute;\n width: 0.0625rem;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Chip {\n background: var(--color-button);\n border: 0.0625rem solid var(--color-button);\n border-radius: 1.25rem;\n color: var(--color-button-text);\n font-size: 0.75rem;\n padding: 0.125rem 0.625rem;\n}\n\n.go-Chip--accented {\n background: var(--color-button-accented);\n border: 0.0625rem solid var(--color-button-accented);\n color: var(--color-button-accented-text);\n}\n\n.go-Chip--inverted {\n background: var(--color-button-inverted);\n border: var(--border);\n color: var(--color-text);\n}\n\n.go-Chip--highlighted {\n background: var(--color-background-highlighted-link);\n border-color: var(--color-background-highlighted-link);\n color: var(--color-brand-primary);\n}\n\n.go-Chip--alert {\n background: var(--pink);\n border: 0.0625rem solid var(--pink);\n color: var(--color-text-inverted);\n}\n\n.go-Chip--vuln {\n background: var(--pink-light);\n border: 0.0625rem solid var(--pink-light);\n color: var(--color-text-inverted);\n}\n\n.go-Chip--subtle {\n background-color: var(--color-background-accented);\n border-color: transparent;\n color: var(--color-text-subtle);\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Clipboard {\n position: relative;\n}\n\n.go-Clipboard::before {\n background-color: var(--color-background-inverted);\n border-radius: var(--border-radius);\n color: var(--color-text-inverted);\n content: attr(data-tooltip);\n display: block;\n font-size: 0.9em;\n left: calc(100% + 0.125rem);\n padding: 0.25rem 0.3rem;\n position: absolute;\n text-transform: uppercase;\n top: 0.125rem;\n white-space: nowrap;\n z-index: 1000;\n}\n\n.go-Clipboard::after {\n border-bottom: 0.25rem solid transparent;\n border-left: 0;\n border-right: 0.25rem solid var(--color-background-inverted);\n border-top: 0.25rem solid transparent;\n content: '';\n display: block;\n position: absolute;\n right: -0.125rem;\n top: 0.5625rem;\n z-index: 1000;\n}\n\n.go-Clipboard:not([data-tooltip])::before,\n.go-Clipboard:not([data-tooltip])::after,\n.go-Clipboard[data-tooltip='']::before,\n.go-Clipboard[data-tooltip='']::after {\n display: none;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n:root {\n /* Colors */\n --gray-1: #202224;\n --gray-2: #3e4042;\n --gray-3: #555759;\n --gray-4: #6e7072;\n --gray-5: #848688;\n --gray-6: #aaacae;\n --gray-7: #c6c8ca;\n --gray-8: #dcdee0;\n --gray-9: #f0f1f2;\n --gray-10: #f8f8f8;\n --turq-light: #5dc9e2;\n --turq-med: #50b7e0;\n --turq-dark: #007d9c;\n --blue: #bfeaf4;\n --blue-light: #f2fafd;\n --black: #000;\n --green: #3a6e11;\n --green-light: #5fda64;\n --pink: #c85e7a;\n --pink-light: #fdecf1;\n --purple: #542c7d;\n --slate: #253443; /* Footer background. */\n --white: #fff;\n --yellow: #fceea5;\n --yellow-light: #fff8cc;\n\n /* Color Intents */\n --color-brand-primary: var(--turq-dark);\n --color-background: var(--white);\n --color-background-inverted: var(--slate);\n --color-background-accented: var(--gray-10);\n --color-background-highlighted: var(--blue);\n --color-background-highlighted-link: var(--blue-light);\n --color-background-info: var(--gray-9);\n --color-background-warning: var(--yellow-light);\n --color-background-alert: var(--pink-light);\n --color-border: var(--gray-7);\n --color-text: var(--gray-1);\n --color-text-subtle: var(--gray-4);\n --color-text-link: var(--turq-dark);\n --color-text-inverted: var(--white);\n --color-code-comment: var(--green);\n\n /* Interactive Colors */\n --color-input: var(--color-background);\n --color-input-text: var(--color-text);\n --color-button: var(--turq-dark);\n --color-button-disabled: var(--gray-9);\n --color-button-text: var(--white);\n --color-button-text-disabled: var(--gray-3);\n --color-button-inverted: var(--color-background);\n --color-button-inverted-disabled: var(--color-background);\n --color-button-inverted-text: var(--color-brand-primary);\n --color-button-inverted-text-disabled: var(--color-text-subtle);\n --color-button-accented: var(--yellow);\n --color-button-accented-disabled: var(--gray-9);\n --color-button-accented-text: var(--gray-1);\n --color-button-accented-text-disabled: var(--gray-3);\n}\n\n[data-theme='dark'] {\n --color-brand-primary: var(--turq-med);\n --color-background: var(--gray-1);\n --color-background-accented: var(--gray-2);\n --color-background-highlighted: var(--gray-2);\n --color-background-highlighted-link: var(--gray-2);\n --color-background-info: var(--gray-3);\n --color-background-warning: var(--yellow);\n --color-background-alert: var(--pink);\n --color-border: var(--gray-4);\n --color-text: var(--gray-9);\n --color-text-link: var(--turq-med);\n --color-text-subtle: var(--gray-7);\n --color-code-comment: var(--green-light);\n}\n@media (prefers-color-scheme: dark) {\n :root:not([data-theme='light']) {\n --color-brand-primary: var(--turq-med);\n --color-background: var(--gray-1);\n --color-background-accented: var(--gray-2);\n --color-background-highlighted: var(--gray-2);\n --color-background-highlighted-link: var(--gray-2);\n --color-background-info: var(--gray-3);\n --color-background-warning: var(--yellow);\n --color-background-alert: var(--pink);\n --color-border: var(--gray-4);\n --color-text: var(--gray-9);\n --color-text-link: var(--turq-med);\n --color-text-subtle: var(--gray-7);\n --color-code-comment: var(--green-light);\n }\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Footer {\n background-color: var(--color-background-inverted);\n color: var(--color-text-inverted);\n font-size: 0.875rem;\n width: 100%;\n}\n\n[data-local='true'] .go-Footer {\n display: none;\n}\n\n.go-Footer-links {\n display: flex;\n flex-wrap: wrap;\n justify-content: space-between;\n margin: auto;\n max-width: 75.75rem;\n padding: 2rem 1.5rem 2.625rem;\n}\n\n.go-Footer-linkColumn {\n flex: 0 0 9.5rem;\n}\n\n.go-Footer .go-Footer-link {\n color: var(--color-text-inverted);\n display: flex;\n flex: 1;\n font-size: 0.875rem;\n line-height: 2rem;\n}\n\n.go-Footer .go-Footer-link--primary {\n font-size: 1.125rem;\n line-height: 1.75rem;\n margin-bottom: 0.5rem;\n margin-top: 0.75rem;\n}\n\n.go-Footer-bottom {\n align-items: center;\n border-top: var(--border);\n display: flex;\n margin: 0 1.5rem;\n min-height: 4.125rem;\n}\n\n.go-Footer-gopher {\n align-self: flex-end;\n height: 3.147rem;\n width: 5rem;\n}\n\n.go-Footer-listRow {\n display: flex;\n flex: 1;\n flex-wrap: wrap;\n list-style: none;\n margin: 0;\n padding: 0;\n text-align: center;\n}\n\n.go-Footer-listItem {\n align-items: center;\n display: flex;\n flex: 1 100%;\n justify-content: center;\n margin: 0.4rem 0;\n padding: 0 1rem;\n}\n\n.go-Footer-listItem a:link,\n.go-Footer-listItem a:visited {\n color: var(--color-text-inverted);\n}\n\n.go-Footer-listItem .go-Button--text {\n background-color: transparent;\n font-size: 1rem;\n margin: -0.5rem 0;\n}\n\n.go-Footer-listItem [data-value] {\n display: none;\n}\n\n[data-theme='auto'] .go-Footer-listItem [data-value='auto'],\n:root:not([data-theme]) .go-Footer-listItem [data-value='auto'] {\n display: initial;\n}\n\n[data-theme='dark'] .go-Footer-listItem [data-value='dark'] {\n display: initial;\n}\n\n[data-theme='light'] .go-Footer-listItem [data-value='light'] {\n display: initial;\n}\n\n.go-Footer-toggleTheme,\n.go-Footer-keyboard {\n margin: 0 0 0.5rem;\n}\n\n.go-Footer-googleLogo {\n align-self: flex-end;\n height: 1.5rem;\n margin-bottom: 1.3rem;\n text-align: right;\n}\n\n.go-Footer-googleLogoImg {\n height: 1.5rem;\n width: 4.529rem;\n}\n\n@media only screen and (min-width: 52rem) {\n .go-Footer-listItem {\n flex: initial;\n }\n\n .go-Footer-listItem + .go-Footer-listItem {\n border-left: var(--border);\n }\n\n .go-Footer-toggleTheme {\n margin: 0 0 0 -0.5rem;\n }\n\n .go-Footer-keyboard {\n margin: 0;\n }\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nselect:focus:not([disabled]),\ninput:focus:not([disabled]) {\n border-color: var(--color-brand-primary);\n box-shadow: var(--focus-box-shadow);\n outline: transparent;\n z-index: 2;\n}\n\ninput::placeholder {\n color: var(--color-text-subtle);\n}\n\n.go-Form {\n align-items: start;\n display: flex;\n flex-direction: column;\n gap: 1rem;\n}\n\n.go-Label {\n display: flex;\n flex-direction: column;\n gap: 0.5rem;\n}\n\n.go-Label--inline {\n align-items: center;\n flex-direction: row;\n}\n\n.go-Label legend {\n margin-bottom: 0.5rem;\n}\n\n.go-Label--inline legend {\n float: left;\n margin-bottom: 0;\n}\n\n.go-Input,\n.go-Select {\n background: var(--color-input);\n border: var(--border);\n border-radius: var(--border-radius);\n color: var(--color-input-text);\n}\n\n.go-Input {\n padding: 0.4063rem 0.5rem;\n}\n\n.go-Select {\n appearance: none;\n background: url('/static/shared/icon/arrow_drop_down_gm_grey_24dp.svg') right no-repeat;\n background-color: var(--color-background);\n background-position: right center;\n border-radius: var(--border-radius);\n margin: 0;\n padding: 0.3438rem 1.25rem 0.3438rem 0.5rem;\n}\n\n.go-InputGroup {\n display: flex;\n}\n\n.go-InputGroup .go-Input {\n flex: 1;\n}\n\n.go-InputGroup > :not(:first-child, :last-child) {\n border-radius: 0;\n margin-left: -0.0625rem;\n}\n\n.go-InputGroup > :first-child {\n border-bottom-right-radius: 0;\n border-top-right-radius: 0;\n}\n\n.go-InputGroup > :last-child {\n border-bottom-left-radius: 0;\n border-top-left-radius: 0;\n margin-left: -0.0625rem;\n}\n\n.go-InputGroup > *:hover,\n.go-InputGroup > *:focus {\n z-index: 1;\n}\n\n.go-ShortcutKey {\n display: flex;\n position: relative;\n}\n\n.go-ShortcutKey .go-Input {\n flex-grow: 1;\n}\n\n.go-ShortcutKey::after {\n align-self: center;\n background-color: var(--color-background-accented);\n border-radius: 0.5rem;\n color: var(--gray-6);\n content: attr(data-shortcut);\n content: attr(data-shortcut) / attr(data-shortcut-alt);\n display: none;\n font-size: 0.75rem;\n padding: 0.0625rem 0;\n position: absolute;\n right: 0.75rem;\n text-align: center;\n width: 1.5rem;\n z-index: 1;\n}\n@media only screen and (min-width: 52rem) {\n .go-ShortcutKey::after {\n display: initial;\n }\n}\n", "/*!\n * Copyright 2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-GopherMessage img {\n display: block;\n height: 15rem;\n margin: 0 auto;\n padding: 1.25rem 0;\n width: 15rem;\n}\n\n.go-GopherMessage p {\n font-weight: 600;\n margin: auto;\n text-align: center;\n}\n", "/* stylelint-disable no-descending-specificity */\n\n/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Banner {\n background-color: var(--gray-1);\n\n /**\n * Only show on wide viewports so the\n * text never wraps or gets cut off.\n */\n display: none;\n}\n\n.go-Banner-inner {\n align-items: center;\n display: flex;\n justify-content: space-between;\n margin: 0 auto;\n min-height: 2.5rem;\n padding: 0.5rem var(--gutter);\n}\n\n.Site--wide .go-Banner-inner {\n max-width: 98rem;\n}\n\n.go-Banner--full .go-Banner-inner {\n max-width: unset;\n}\n\n.go-Banner-message {\n color: var(--white);\n margin-right: 1.25rem;\n}\n\n.go-Banner-action:link,\n.go-Banner-action:visited {\n color: var(--white);\n text-decoration: underline;\n white-space: nowrap;\n}\n@media only screen and (min-width: 52rem) {\n .go-Banner {\n display: block;\n }\n}\n\n.go-Header {\n background: #007d9c;\n border-bottom: none;\n box-shadow: 0 0.0625rem 0.125rem rgb(171 171 171 / 30%);\n top: 0;\n width: 100%;\n z-index: 20;\n}\n\n.go-Header-inner {\n margin: 0 auto;\n padding: 0 var(--gutter);\n}\n\n.Site--wide .go-Header-inner {\n max-width: 98rem;\n}\n\n.go-Header--full .go-Header-inner {\n max-width: initial;\n}\n\n.go-Header-nav {\n align-items: center;\n display: flex;\n height: 3.5rem;\n justify-content: space-between;\n}\n\n.go-Header-rightContent {\n align-items: center;\n display: flex;\n height: 100%;\n justify-content: flex-end;\n width: 100%;\n}\n\n.go-Header-rightContent form {\n flex-grow: 1;\n}\n\n.go-Header-inner--dark {\n border-bottom: none;\n color: var(--white);\n}\n\n.go-Header-logo {\n display: block;\n height: 2rem;\n margin-right: 2.25rem;\n width: 5.125rem;\n}\n\n.go-Header-logo--hidden {\n display: none;\n}\n\n.go-Header-menuItem {\n display: none;\n position: relative;\n}\n\n.go-Header-menu {\n align-items: stretch;\n display: flex;\n height: 100%;\n list-style: none;\n margin: 0;\n padding: 0;\n}\n\n[data-local='true'] .go-Header-menu {\n display: none;\n}\n\n.go-Header-submenu {\n background: transparent;\n background-color: var(--color-background);\n border: 0.0625rem solid #007d9d;\n border-width: 0 0.0625rem 0.0625rem;\n color: var(--color-text);\n display: none;\n flex-flow: column wrap;\n list-style-type: none;\n margin-top: 3.5rem;\n opacity: 0;\n padding: 1.5rem 1.5rem 0;\n position: absolute;\n transition: all 0.2s ease;\n visibility: hidden;\n}\n\n.go-Header-menuItem:hover > .js-desktop-menu-hover:not(.forced-closed) ~ .go-Header-submenu,\n.go-Header-menuItem:focus-within > .js-desktop-menu-hover:not(.forced-closed) ~ .go-Header-submenu {\n display: flex;\n opacity: 1;\n visibility: visible;\n}\n\n.go-Header-menuItem .go-Header-submenuItem a:link,\n.go-Header-menuItem .go-Header-submenuItem a:visited {\n align-items: baseline;\n border-bottom: none;\n color: var(--color-text-link);\n display: inline-flex;\n font-weight: 400;\n margin: 0;\n margin-bottom: -0.125rem;\n padding: 0;\n}\n\n.go-Header-menuItem .go-Icon {\n filter: brightness(0%) saturate(100%) invert(100%);\n font-size: 1.25rem;\n}\n\n.go-Header-menuItem .go-Header-submenuItem .go-Icon,\n.go-NavigationDrawer-listItem .go-Icon {\n filter: brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(162deg)\n brightness(71%) contrast(177%);\n}\n\n.go-Header-submenu .go-Header-submenuItem i {\n font-size: 0.75rem;\n margin-left: 0.25rem;\n transform: translateY(0.1rem); /* to get bottom alignment w/ text */\n}\n\n.go-Header-menu .go-Header-submenu--why {\n left: -0.0625rem;\n width: 18.5rem;\n}\n\n.go-Header-menu .go-Header-submenu--docs {\n height: 20.78rem;\n left: -12rem;\n width: 37.25rem;\n}\n\n.go-Header-menu .go-Header-submenu--community {\n height: 18.4rem;\n right: -0.0625rem;\n width: 37.25rem;\n}\n\n.go-Header-socialIcons {\n display: flex;\n flex-wrap: wrap;\n}\n\n.go-Header-submenu .go-Header-submenuItem a.go-Header-socialIcon {\n display: inline-flex;\n flex: 0 1 auto;\n width: auto;\n}\n\n.go-Header-submenu .go-Header-submenuItem a.go-Header-socialIcon:not(:last-child) {\n margin-right: 0.75rem;\n}\n@media only screen and (min-width: 65rem) {\n .go-Header-menuItem {\n align-items: stretch;\n display: inline-flex;\n flex: none;\n }\n\n .go-Header-menu {\n justify-content: flex-end;\n }\n\n .go-Header-navOpen {\n display: none;\n }\n}\n\n.go-Header-menuItem .js-desktop-menu-hover img {\n pointer-events: none;\n}\n\n.go-Header-menuItem a:link,\n.go-Header-menuItem a:visited {\n align-items: center;\n border-bottom: 0.1875rem solid transparent;\n border-top: 0.1875rem solid transparent; /* To ensure the text remains centered. */\n color: var(--color-text);\n display: inline-flex;\n padding: 0 1.5rem;\n text-align: center;\n text-decoration: none;\n width: 100%;\n}\n\n.go-Header-menuItem--active a:link,\n.go-Header-menuItem--active a:visited {\n border-bottom-color: var(--turq-med);\n font-weight: bold;\n}\n\n.go-Header-menuItem a:hover {\n border-bottom-color: var(--white);\n}\n\n.go-Header-menuItem:hover > a:not(.forced-closed).js-desktop-menu-hover,\n.go-Header-menuItem:focus-within > a:not(.forced-closed).js-desktop-menu-hover {\n background: var(--white);\n border-color: var(--white);\n color: var(--color-text-link);\n}\n\n/* Need to get around icon.css color management */\n@media (prefers-color-scheme: dark) {\n :root:not([data-theme='light'])\n .go-Header-menuItem:hover\n > a:not(.forced-closed).js-desktop-menu-hover\n .go-Icon,\n :root:not([data-theme='light'])\n .go-Header-menuItem:focus-within\n > a:not(.forced-closed).js-desktop-menu-hover\n .go-Icon {\n filter: brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(158deg)\n brightness(83%) contrast(157%);\n }\n\n :root:not([data-theme='light']) .go-Header-submenuItem .go-Icon:not(.go-Icon--accented) {\n filter: brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(163deg)\n brightness(80%) contrast(157%);\n }\n}\n\n.go-NavigationDrawer-listItem > div:not(.go-NavigationDrawer),\n.go-NavigationDrawer-listItem a:link,\n.go-NavigationDrawer-listItem a:visited {\n display: block;\n margin: 0 1rem;\n padding: 0.5rem;\n}\n\n.go-NavigationDrawer-listItem > span {\n color: var(--gray-2);\n}\n\n.go-Header-inner--dark .go-Header-menuItem a:link,\n.go-Header-inner--dark .go-Header-menuItem a:visited {\n color: var(--white);\n}\n\n.go-NavigationDrawer-listItem.go-NavigationDrawer-hasSubnav > a i {\n float: right;\n}\n\n.go-Header-inner--dark .go-Header-menuItem .go-Header-submenuItem {\n color: var(--color-text-link);\n}\n\n.go-Header-inner--dark .go-Header-menuItem .js-desktop-menu-hover.is-expanded {\n background-color: var(--white);\n color: var(--color-text-link);\n}\n\n.go-Header-inner--dark .go-Header-menuItem .go-Header-submenu a:link,\n.go-Header-inner--dark .go-Header-menuItem .go-Header-submenu a:visited {\n align-items: baseline;\n color: var(--color-text-link);\n display: inline-flex;\n margin-bottom: -0.125rem;\n width: auto;\n}\n\n.go-Header-submenu .go-Header-submenuItem a:link,\n.go-Header-submenu .go-Header-submenuItem a:visited {\n border-bottom: none;\n font-weight: 400;\n margin: 0;\n padding: 0;\n}\n\n.go-Header-inner--dark .go-Header-menuItem:hover > a:not(.forced-closed).js-desktop-menu-hover,\n.go-Header-inner--dark\n .go-Header-menuItem:focus-within\n > a:not(.forced-closed).js-desktop-menu-hover {\n background: var(--color-background);\n border-color: var(--color-background);\n}\n\n.go-Header-submenu p {\n max-width: 15.5rem;\n}\n\n.go-Header-submenu a:link:hover,\n.go-Header-submenu a:visited:hover {\n border-bottom: 0.125rem solid var(--turq-dark);\n text-decoration: none;\n}\n\n.go-Header-submenu a:link:hover > *,\n.go-Header-submenu a:visited:hover > * {\n text-decoration: none;\n}\n\n.go-Header-submenu .go-Header-submenuItem {\n line-height: 1;\n padding-bottom: 1.5rem;\n}\n\n.go-Header-submenu .go-Header-submenuItem p {\n color: var(--color-text-subtle);\n font-size: 0.875rem;\n margin-top: 0.55rem;\n}\n\n.go-Header-inner--dark .go-Header-submenu .go-Header-submenuItem p {\n color: var(--color-text-subtle);\n}\n\n.go-Header-navOpen {\n background: no-repeat center/2rem url('/images/menu-24px.svg');\n border: none;\n height: 2.5rem;\n margin-left: 1rem;\n width: 2.5rem;\n}\n\n.go-Header-navOpen--hidden {\n display: none;\n}\n\n.go-Header-navOpen--white {\n background: no-repeat center/2rem url('/static/shared/icon/menu_gm_grey_24dp.svg');\n filter: brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg)\n brightness(103%) contrast(107%);\n}\n\n.go-SearchForm--expanded {\n flex-grow: 1;\n}\n\n.go-SearchForm-form {\n display: none;\n}\n\n.go-SearchForm-form::after {\n right: 2.75rem;\n}\n\n.go-SearchForm--expanded .go-SearchForm-form {\n display: flex;\n}\n\n.go-SearchForm-expandSearch {\n appearance: none;\n background: none;\n font-size: 1.5rem;\n}\n\n.go-SearchForm--expanded .go-SearchForm-expandSearch {\n display: none;\n}\n\n@media only screen and (min-width: 32rem) {\n .go-Header-rightContent {\n width: 100%;\n }\n\n .go-SearchForm {\n flex: 1;\n }\n\n .go-SearchForm-form {\n display: flex;\n }\n\n .go-SearchForm-expandSearch {\n display: none;\n }\n\n .go-Header-logo--hidden {\n display: initial;\n }\n}\n\n.go-NavigationDrawer {\n background: var(--color-background);\n height: 100%;\n left: auto;\n max-width: 27rem;\n position: fixed;\n right: 0;\n top: 0;\n transform: translateX(100%);\n transition: transform 100ms ease-in-out;\n width: 85%;\n z-index: 30;\n}\n@media only screen and (min-width: 65rem) {\n .go-NavigationDrawer {\n display: none;\n }\n}\n\n.go-NavigationDrawer.is-active {\n transform: translateX(0);\n}\n\n.go-NavigationDrawer-header {\n border-bottom: 0.0625rem solid #eee;\n margin-bottom: 0.5rem;\n}\n\n.go-NavigationDrawer-submenuItem {\n width: 100%;\n}\n\n.go-NavigationDrawer-submenuItem .go-NavigationDrawer-header {\n align-items: center;\n color: var(--color-text-link);\n display: flex;\n font-size: 1.375rem;\n justify-content: flex-start;\n min-height: 4.0625rem;\n padding: 0.5rem;\n padding-left: 1.5rem;\n}\n\n.go-NavigationDrawer-submenuItem .go-NavigationDrawer-header > a {\n display: flex;\n margin-left: 0;\n}\n\n.go-NavigationDrawer-logo {\n display: block;\n height: 2rem;\n margin: 1rem;\n width: 5.125rem;\n}\n\n.go-NavigationDrawer-list {\n list-style: none;\n margin: 0;\n padding: 0;\n}\n\n.go-NavigationDrawer-listItem {\n color: var(--color-text-subtle);\n font-size: 1.125rem;\n margin: 0 0.5rem;\n}\n\n.go-NavigationDrawer-listItem--active {\n background-color: var(--blue);\n border-radius: 0.4rem;\n}\n\n.go-NavigationDrawer-listItem .material-icons {\n color: var(--color-brand-primary);\n display: inline-block;\n margin-right: 0.5rem;\n text-decoration: none;\n vertical-align: sub;\n}\n@media only screen and (max-width: 57.7rem) {\n .go-NavigationDrawer-listItem .go-Header-socialIcons {\n padding: 0.5rem 0;\n }\n\n .go-NavigationDrawer-listItem a.go-Header-socialIcon {\n display: inline-block;\n margin: 0;\n padding: 0 0.5rem;\n }\n\n @media (prefers-color-scheme: dark) {\n :root:not([data-theme='light']) .go-NavigationDrawer-listItem .go-Icon:not(.go-Icon--accented) {\n filter: brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(163deg)\n brightness(80%) contrast(157%);\n }\n }\n}\n\n.go-NavigationDrawer-scrim {\n display: none;\n height: 100%;\n left: 0;\n position: fixed;\n top: 0;\n width: 100%;\n z-index: 20;\n}\n\n.go-NavigationDrawer.is-active + .go-NavigationDrawer-scrim {\n background-color: var(--gray-1);\n display: block;\n opacity: 0.32;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.depsdev-Icon {\n height: 1.125em;\n vertical-align: text-bottom;\n width: auto;\n}\n\n.go-Icon {\n filter: none;\n height: 1.125em;\n vertical-align: text-bottom;\n width: auto;\n}\n\n.go-Icon--accented {\n filter: brightness(0) invert(45%) sepia(94%) saturate(6735%) hue-rotate(176deg) brightness(94%)\n contrast(101%);\n}\n\n.go-Icon--inverted {\n filter: brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg)\n brightness(103%) contrast(107%);\n}\n\n[data-theme='dark'] .go-Icon:not(.go-Icon--accented) {\n filter: brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg)\n brightness(103%) contrast(107%);\n}\n\n[data-theme='dark'] .go-Icon--accented {\n filter: brightness(0) invert(69%) sepia(46%) saturate(466%) hue-rotate(153deg) brightness(90%)\n contrast(88%);\n}\n@media (prefers-color-scheme: dark) {\n :root:not([data-theme='light']) .go-Icon:not(.go-Icon--accented) {\n filter: brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg)\n brightness(103%) contrast(107%);\n }\n\n :root:not([data-theme='light']) .go-Icon--accented {\n filter: brightness(0) invert(57%) sepia(63%) saturate(4864%) hue-rotate(160deg) brightness(100%)\n contrast(101%);\n }\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Message {\n color: var(--color-text);\n font-size: 0.875rem;\n line-height: 1.5rem;\n padding: 0.25rem 0.5rem;\n width: 100%;\n}\n\n.go-Message--notice {\n background-color: var(--color-background-info);\n}\n\n.go-Message--warning {\n background-color: var(--color-background-warning);\n color: var(--gray-1);\n}\n\n.go-Message--alert {\n background-color: var(--color-background-alert);\n}\n\n.go-Message > .go-Icon {\n vertical-align: text-top;\n}\n\n[data-theme='dark'] .go-Message a:not(:hover) {\n color: var(--color-text);\n text-decoration: underline;\n}\n\n[data-theme='dark'] .go-Message--warning .go-Icon {\n filter: none;\n}\n@media (prefers-color-scheme: dark) {\n :root:not([data-theme='light']) .go-Message--warning .go-Icon {\n filter: none;\n }\n}\n", "dialog {\n position: absolute;\n left: 0; right: 0;\n width: -moz-fit-content;\n width: -webkit-fit-content;\n width: fit-content;\n height: -moz-fit-content;\n height: -webkit-fit-content;\n height: fit-content;\n margin: auto;\n border: solid;\n padding: 1em;\n background: white;\n color: black;\n display: block;\n}\n\ndialog:not([open]) {\n display: none;\n}\n\ndialog + .backdrop {\n position: fixed;\n top: 0; right: 0; bottom: 0; left: 0;\n background: rgba(0,0,0,0.1);\n}\n\n._dialog_overlay {\n position: fixed;\n top: 0; right: 0; bottom: 0; left: 0;\n}\n\ndialog.fixed {\n position: fixed;\n top: 50%;\n transform: translate(0, -50%);\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n@import url('../../../third_party/dialog-polyfill/dialog-polyfill.css');\n\n.go-Modal {\n background: var(--color-background);\n border: var(--border);\n border-radius: var(--border-radius);\n bottom: 0;\n box-shadow: var(--box-shadow);\n color: var(--color-text);\n display: flex;\n flex-direction: column;\n gap: 1rem;\n max-height: 100%;\n max-width: 100%;\n position: fixed;\n top: 0;\n}\n\n.go-Modal > form {\n display: contents;\n}\n\n.go-Modal--small {\n width: 20rem;\n}\n\n.go-Modal--md {\n width: 30rem;\n}\n\n.go-Modal--lg {\n width: 40rem;\n}\n\n.go-Modal-header {\n display: flex;\n justify-content: space-between;\n}\n\n.go-Modal-header h2 {\n font-size: 1.15rem;\n line-height: 1.25rem;\n}\n\n.go-Modal-body {\n flex-grow: 1;\n min-height: 2rem;\n min-width: 18rem;\n}\n\n.go-Modal-actions {\n text-align: right;\n}\n\n/* Safari only */\n@media not all and (min-resolution: 0.001dpcm) {\n @supports (-webkit-appearance: none) {\n .go-Modal {\n padding-bottom: 0;\n }\n }\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Tree {\n --js-tree-height: 0;\n\n display: flex;\n flex-direction: column;\n}\n\n.go-Tree ul {\n list-style: none;\n padding-left: 0;\n}\n\n.go-Tree li:last-of-type {\n padding-bottom: 0.25rem;\n}\n\n.go-Tree a + ul {\n display: none;\n}\n\n.go-Tree a[aria-expanded='true'] + ul[role='group'] {\n display: block;\n}\n\n.go-Tree a[aria-level='1'] + ul[role='group'] {\n max-height: calc(\n 100vh - var(--js-tree-height, 0) - var(--js-sticky-header-height, 3.5rem) - 5rem\n );\n overflow-y: auto;\n padding: 0.5rem 0.25rem 0;\n}\n\n.go-Tree a {\n color: var(--color-text-subtle);\n display: block;\n line-height: 1.5rem;\n overflow: hidden;\n padding: 0.125rem 0 0.125rem 1.25rem;\n position: relative;\n text-overflow: ellipsis;\n user-select: none;\n white-space: nowrap;\n}\n\n.go-Tree > li > a,\n.go-Tree a[aria-level='1'] {\n display: block;\n font-size: 1rem;\n font-weight: 500;\n line-height: 2.5rem;\n padding: 0 1rem;\n}\n\n.go-Tree a:focus,\n.go-Tree a:hover {\n text-decoration: underline;\n z-index: 1;\n}\n\n.go-Tree a[aria-selected='true'] {\n color: var(--color-text);\n font-weight: 500;\n}\n\n.go-Tree a[aria-level='1'][aria-selected='true'],\n.go-Tree a[aria-level='1'][aria-expanded='true'] {\n background-color: var(--color-background-accented);\n}\n\n.go-Tree a[aria-level='3'][aria-expanded='true'] {\n margin-bottom: 0.375em;\n}\n\n.go-Tree a[aria-level='2'] {\n margin-bottom: 0.25rem;\n position: relative;\n}\n\n.go-Tree a[aria-level='3'] {\n padding-left: 2.5rem;\n}\n\n.go-Tree a[aria-level='4'] {\n border-left: 0.125rem solid var(--color-background-accented);\n margin-left: 2.5rem;\n padding-left: 0.5rem;\n}\n\n.go-Tree a[aria-selected='true'][aria-level='2']:not([aria-expanded])::before,\n.go-Tree a[aria-selected='true'][aria-level='3']:not([aria-expanded])::before {\n background-color: var(--color-brand-primary);\n border-radius: 50%;\n content: '';\n display: block;\n height: 0.3125rem;\n left: 0.4688rem;\n position: absolute;\n top: 0.75rem;\n width: 0.3125rem;\n}\n\n.go-Tree a[aria-expanded][aria-owns][aria-level='2']::before,\n.go-Tree a[aria-expanded][aria-owns][aria-level='3']::before {\n border-bottom: 0.25rem solid transparent;\n border-left: 0.25rem solid var(--color-border);\n border-right: 0;\n border-top: 0.25rem solid transparent;\n content: '';\n display: block;\n height: 0;\n left: 0.5rem;\n position: absolute;\n top: 0.625rem;\n transition: transform 0.1s linear;\n width: 0;\n}\n\n.go-Tree a[aria-expanded='true'][aria-level='2']::before,\n.go-Tree a[aria-expanded='true'][aria-level='3']::before {\n transform: rotate(90deg);\n}\n\n.go-Tree a[aria-expanded][aria-level='3']:not([empty])::before,\n.go-Tree a[aria-selected][aria-level='3']:not([empty])::before {\n left: 1.5rem;\n top: 0.75rem;\n}\n\n.go-Tree a[aria-selected='true'][aria-level='4'] {\n border-left: 0.125rem solid var(--color-brand-primary);\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-TabNav {\n margin: 0 0 0.5rem;\n}\n\n.go-TabNav ul {\n display: flex;\n gap: 2rem;\n}\n\n.go-TabNav li {\n border-bottom: 0.25rem transparent solid;\n display: flex;\n font-size: 1rem;\n height: 2.375rem;\n padding: 0 0.25rem;\n}\n\n.go-TabNav li[aria-current] {\n border-color: var(--color-brand-primary);\n}\n\n.go-TabNav li:hover {\n border-color: var(--color-brand-primary);\n}\n\n.go-TabNav a {\n align-items: center;\n color: var(--color-text-subtle);\n display: inline-flex;\n}\n\n.go-TabNav li:hover a {\n text-decoration: none;\n}\n\n.go-TabNav li[aria-current] a {\n color: var(--color-text);\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Tooltip {\n border-radius: var(--border-radius);\n cursor: pointer;\n display: inline-block;\n position: relative;\n}\n\n.go-Tooltip > summary {\n list-style: none;\n}\n\n.go-Tooltip > summary::-webkit-details-marker,\n.go-Tooltip > summary::marker {\n display: none;\n}\n\n.go-Tooltip > summary > img {\n vertical-align: text-bottom;\n}\n\n.go-Tooltip p {\n background: var(--color-background) 80%;\n border: var(--border);\n border-radius: var(--border-radius);\n color: var(--color-text);\n font-size: 0.75rem;\n letter-spacing: 0.0187rem;\n line-height: 1rem;\n padding: 0.5rem;\n position: absolute;\n top: 1.5rem;\n white-space: normal;\n width: 12rem;\n z-index: 100;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n@import url('./reset.css');\n\n/**\n * Typography should be imported first in the list below to ensure expected\n * CSS rule inheritance on text elements.\n */\n@import url('./typography/typography.css');\n@import url('./button/button.css');\n@import url('./breadcrumb/breadcrumb.css');\n@import url('./carousel/carousel.css');\n@import url('./chip/chip.css');\n@import url('./clipboard/clipboard.css');\n@import url('./color/color.css');\n@import url('./footer/footer.css');\n@import url('./form/form.css');\n@import url('./gopher/gopher.css');\n@import url('./header/header.css');\n@import url('./icon/icon.css');\n@import url('./message/message.css');\n@import url('./modal/modal.css');\n@import url('./outline/tree.css');\n@import url('./tabnav/tabnav.css');\n@import url('./tooltip/tooltip.css');\n\n:root {\n /* Padding at the left and right of the viewport. */\n --gutter: 1.5rem;\n\n /* Margin between containers in the grid layout. */\n --gap: 1rem;\n\n /* The margin placed above elements scrolled to by clicking hash links. */\n --scroll-margin: calc(\n var(--js-sticky-header-height, 3.5rem) + var(--js-sticky-nav-height, 0) + 2rem\n );\n\n /* Default styles for page elements. */\n --border: 0.0625rem solid var(--color-border);\n --border-radius: 0.25rem;\n --box-shadow: 0 0 0.375rem 0 rgb(0 0 0 / 25%);\n --focus-box-shadow: 0 0 0.0625rem 0.0625rem rgb(0 112 210 / 60%);\n}\n\n[data-theme='dark'] {\n --box-shadow: 0 0.3125rem 0.9375rem rgb(0 0 0 / 45%);\n}\n@media (prefers-color-scheme: dark) {\n :root:not([data-theme='light']) {\n --box-shadow: 0 0.3125rem 0.9375rem rgb(0 0 0 / 45%);\n }\n}\n@media (min-width: 50rem) {\n :root {\n --gap: 2rem;\n --scroll-margin: calc(\n var(--js-sticky-header-height, 3.5rem) + var(--js-sticky-nav-height, 0) + 1rem\n );\n }\n}\n\n*:target {\n scroll-margin-top: var(--scroll-margin);\n}\n\nbody {\n background-color: var(--color-background);\n display: flex;\n flex-direction: column;\n min-height: 100vh;\n min-width: 23.5rem;\n\n /**\n * This is used to programatically detect whether overflow needs to be altered\n * to prevent jitter when focusing within fixed elements on iOS.\n * It also must be set to 'touch' for the fix to work.\n */\n -webkit-overflow-scrolling: touch;\n}\n\n.go-Container {\n display: flex;\n flex-direction: column;\n flex-grow: 1;\n height: 100%;\n margin-bottom: 5rem;\n}\n\n.go-Content {\n display: flex;\n flex-flow: column;\n gap: 1rem;\n margin: 0 auto;\n max-width: 63rem;\n min-height: 32rem;\n padding: 2rem var(--gutter);\n width: 100%;\n}\n\n.go-Content--center {\n justify-content: center;\n margin: auto;\n}\n", "/*!\n* Copyright 2021 The Go Authors. All rights reserved.\n* Use of this source code is governed by a BSD-style\n* license that can be found in the LICENSE file.\n*/\n\n.JumpDialog-body {\n height: 12rem;\n overflow-y: auto;\n}\n\n.JumpDialog-list {\n display: flex;\n flex-direction: column;\n}\n\n.JumpDialog-input {\n width: 100%;\n}\n\n.JumpDialog a {\n padding: 0.25rem;\n text-decoration: none;\n}\n\n.JumpDialog .JumpDialog-active {\n background-color: var(--color-brand-primary);\n color: var(--white);\n}\n\n.ShortcutsDialog-key {\n text-align: right;\n}\n\n.ShortcutsDialog table {\n padding: 0 1rem;\n}\n\n.ShortcutsDialog td {\n padding-bottom: 0.5rem;\n padding-left: 0.5rem;\n}\n\n.ShortcutsDialog-theme span {\n display: none;\n}\n\n[data-theme='light'] .ShortcutsDialog-themeLight {\n display: initial;\n}\n\n[data-theme='dark'] .ShortcutsDialog-themeDark {\n display: initial;\n}\n\n[data-theme=''] .ShortcutsDialog-themeAuto,\n[data-theme='auto'] .ShortcutsDialog-themeAuto {\n display: initial;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n@import url('../shared/shared.css');\n@import url('_modals.css');\n\n.Cookie-notice {\n align-items: center;\n background-color: var(--color-background);\n border-top: var(--border);\n bottom: 0;\n color: var(--color-text);\n display: none;\n gap: 1rem;\n justify-content: center;\n left: 0;\n padding: 1rem;\n position: fixed;\n right: 0;\n z-index: 100;\n}\n\n.Cookie-notice--visible {\n display: flex;\n}\n"],
+ "mappings": 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"names": []
}
diff --git a/static/frontend/frontend.tmpl b/static/frontend/frontend.tmpl
index 717261b..4fab934 100644
--- a/static/frontend/frontend.tmpl
+++ b/static/frontend/frontend.tmpl
@@ -56,6 +56,13 @@
{{template "main" .}}
{{template "footer" .}}
{{template "modals" .}}
+ {{if not .LocalMode}}
+ <section class="Cookie-notice js-cookieNotice">
+ <div>go.dev uses cookies from Google to deliver and enhance the quality of its services and to
+ analyze traffic. <a target=_blank href="https://policies.google.com/technologies/cookies">Learn more.</a></div>
+ <div><button class="go-Button">Okay</button></div>
+ </section>
+ {{end}}
{{if .GoogleTagManagerID}}
<script>
// this will throw if the querySelector can’t find the element
diff --git a/static/frontend/frontend.ts b/static/frontend/frontend.ts
index 6c1fb2f..5d32275 100644
--- a/static/frontend/frontend.ts
+++ b/static/frontend/frontend.ts
@@ -56,6 +56,7 @@
registerSearchFormListeners();
initModals();
initJumpLinks();
+ registerCookieNotice();
});
// Pressing '/' focuses the search box
@@ -133,3 +134,25 @@
document.documentElement.setAttribute('data-theme', nextTheme);
document.cookie = `prefers-color-scheme=${nextTheme};${domain}path=/;max-age=31536000;`;
}
+
+/**
+ * registerCookieNotice makes the cookie notice visible and adds listeners to dismiss it
+ * if it has not yet been acknowledge by the user.
+ */
+function registerCookieNotice() {
+ const themeCookie = document.cookie.match(/cookie-consent=true/);
+ if (!themeCookie) {
+ const notice = document.querySelector('.js-cookieNotice');
+ const button = notice?.querySelector('button');
+ notice?.classList.add('Cookie-notice--visible');
+ button?.addEventListener('click', () => {
+ let domain = '';
+ if (location.hostname.endsWith('go.dev')) {
+ // Apply the cookie to *.go.dev.
+ domain = 'domain=.go.dev;';
+ }
+ document.cookie = `cookie-consent=true;${domain}path=/;max-age=31536000`;
+ notice?.remove();
+ });
+ }
+}
diff --git a/static/frontend/unit/versions/versions.js.map b/static/frontend/unit/versions/versions.js.map
index 57da086..6ef91e0 100644
--- a/static/frontend/unit/versions/versions.js.map
+++ b/static/frontend/unit/versions/versions.js.map
@@ -1,7 +1,7 @@
{
"version": 3,
"sources": ["versions.ts"],
- "sourcesContent": ["/*!\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * VersionsController encapsulates event listeners and UI updates\n * for the versions page. As the the expandable sections containing\n * the symbol history for a package are opened and closed it toggles\n * visiblity of the buttons to expand or collapse them. On page load\n * it adds an indicator to the version that matches the version request\n * by the user for the page or the canonical url path.\n */\nexport class VersionsController {\n private expand = document.querySelector<HTMLButtonElement>('.js-versionsExpand');\n private collapse = document.querySelector<HTMLButtonElement>('.js-versionsCollapse');\n private details = [...document.querySelectorAll<HTMLDetailsElement>('.js-versionDetails')];\n\n constructor() {\n if (!this.expand?.parentElement) return;\n if (this.details.some(d => d.tagName === 'DETAILS')) {\n this.expand.parentElement.style.display = 'block';\n }\n\n for (const d of this.details) {\n d.addEventListener('click', () => {\n this.updateButtons();\n });\n }\n\n this.expand?.addEventListener('click', () => {\n this.details.map(d => (d.open = true));\n this.updateButtons();\n });\n\n this.collapse?.addEventListener('click', () => {\n this.details.map(d => (d.open = false));\n this.updateButtons();\n });\n\n this.updateButtons();\n this.setCurrent();\n }\n\n /**\n * setCurrent applies the active style to the version dot\n * for the version that matches the canonical URL path.\n */\n private setCurrent() {\n const canonicalPath = document.querySelector<HTMLElement>('.js-canonicalURLPath')?.dataset\n ?.canonicalUrlPath;\n const versionLink = document.querySelector<HTMLElement>(\n `.js-versionLink[href=\"${canonicalPath}\"]`\n );\n if (versionLink) {\n versionLink.style.fontWeight = 'bold';\n }\n }\n\n private updateButtons() {\n setTimeout(() => {\n if (!this.expand || !this.collapse) return;\n let someOpen, someClosed;\n for (const d of this.details) {\n someOpen = someOpen || d.open;\n someClosed = someClosed || !d.open;\n }\n this.expand.style.display = someClosed ? 'inline-block' : 'none';\n this.collapse.style.display = someClosed ? 'none' : 'inline-block';\n });\n }\n}\n\nnew VersionsController();\n"],
+ "sourcesContent": ["/*!\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * VersionsController encapsulates event listeners and UI updates\n * for the versions page. As the expandable sections containing\n * the symbol history for a package are opened and closed it toggles\n * visiblity of the buttons to expand or collapse them. On page load\n * it adds an indicator to the version that matches the version request\n * by the user for the page or the canonical url path.\n */\nexport class VersionsController {\n private expand = document.querySelector<HTMLButtonElement>('.js-versionsExpand');\n private collapse = document.querySelector<HTMLButtonElement>('.js-versionsCollapse');\n private details = [...document.querySelectorAll<HTMLDetailsElement>('.js-versionDetails')];\n\n constructor() {\n if (!this.expand?.parentElement) return;\n if (this.details.some(d => d.tagName === 'DETAILS')) {\n this.expand.parentElement.style.display = 'block';\n }\n\n for (const d of this.details) {\n d.addEventListener('click', () => {\n this.updateButtons();\n });\n }\n\n this.expand?.addEventListener('click', () => {\n this.details.map(d => (d.open = true));\n this.updateButtons();\n });\n\n this.collapse?.addEventListener('click', () => {\n this.details.map(d => (d.open = false));\n this.updateButtons();\n });\n\n this.updateButtons();\n this.setCurrent();\n }\n\n /**\n * setCurrent applies the active style to the version dot\n * for the version that matches the canonical URL path.\n */\n private setCurrent() {\n const canonicalPath = document.querySelector<HTMLElement>('.js-canonicalURLPath')?.dataset\n ?.canonicalUrlPath;\n const versionLink = document.querySelector<HTMLElement>(\n `.js-versionLink[href=\"${canonicalPath}\"]`\n );\n if (versionLink) {\n versionLink.style.fontWeight = 'bold';\n }\n }\n\n private updateButtons() {\n setTimeout(() => {\n if (!this.expand || !this.collapse) return;\n let someOpen, someClosed;\n for (const d of this.details) {\n someOpen = someOpen || d.open;\n someClosed = someClosed || !d.open;\n }\n this.expand.style.display = someClosed ? 'inline-block' : 'none';\n this.collapse.style.display = someClosed ? 'none' : 'inline-block';\n });\n }\n}\n\nnew VersionsController();\n"],
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"names": ["VersionsController", "_a", "_b", "_c", "d", "canonicalPath", "versionLink", "someOpen", "someClosed"]
}
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