https://www.brew.build/_astro/SwupA11yPlugin.D84kWg1p.js

1import{l as f,w as m}from"./Swup.T76dPaas.js";import{e as v}from"./index.modern.CkIAsQri.js";function g(t){return t&&t.__esModule&&Object.prototype.hasOwnProperty.call(t,"default")?t.default:t}var d={exports:{}};!function(t){!function(){function e(t){for(var e in t=t||{},this.settings={level:"polite",parent:"body",idPrefix:"live-region-",delay:0},t)t.hasOwnProperty(e)&&(this.settings[e]=t[e]);this.settings.parent=document.querySelector(this.settings.parent)}e.prototype.say=function(t,e){var n=this.settings.parent.querySelector('[id^="'+this.settings.idPrefix+'"]')||!1;n&&this.settings.parent.removeChild(n),e=e||this.settings.delay,this.currentRegion=document.createElement("span"),this.currentRegion.id=this.settings.idPrefix+Math.floor(1e4*Math.random());var i="assertive"!==this.settings.level?"status":"alert";return this.currentRegion.setAttribute("aria-live",this.settings.level),this.currentRegion.setAttribute("role",i),this.currentRegion.setAttribute("style","clip: rect(1px, 1px, 1px, 1px); height: 1px; overflow: hidden; position: absolute; white-space: nowrap; width: 1px"),this.settings.parent.appendChild(this.currentRegion),window.setTimeout(function(){this.currentRegion.textContent=t}.bind(this),e),this},t.exports=e}()}(d);var y=d.exports;const b=g(y);function l(){return l=Object.assign?Object.assign.bind():function(t){for(var e=1;e<arguments.length;e++){var n=arguments[e];for(var i in n)Object.prototype.hasOwnProperty.call(n,i)&&(t[i]=n[i])}return t},l.apply(this,arguments)}!function(){if(!(typeof window>"u"||typeof document>"u"||typeof HTMLElement>"u")){var t=!1;try{var e=document.createElement("div");e.addEventListener("focus",(function(t){t.preventDefault(),t.stopPropagation()}),!0),e.focus(Object.defineProperty({},"preventScroll",{get:function(){if(navigator&&typeof navigator.userAgent<"u"&&navigator.userAgent&&navigator.userAgent.match(/Edge\/1[7-8]/))return t=!1;t=!0}}))}catch{}if(void 0===HTMLElement.prototype.nativeFocus&&!t){HTMLElement.prototype.nativeFocus=HTMLElement.prototype.focus;var n=function(t){for(var e=0;e<t.length;e++)t[e][0].scrollTop=t[e][1],t[e][0].scrollLeft=t[e][2];t=[]};HTMLElement.prototype.focus=function(t){if(t&&t.preventScroll){var e=function(t){for(var e=t.parentNode,n=[],i=document.scrollingElement||document.documentElement;e&&e!==i;)(e.offsetHeight<e.scrollHeight||e.offsetWidth<e.scrollWidth)&&n.push([e,e.scrollTop,e.scrollLeft]),e=e.parentNode;return e=i,n.push([e,e.scrollTop,e.scrollLeft]),n}(this);if("function"==typeof setTimeout){var i=this;setTimeout((function(){i.nativeFocus(),n(e)}),0)}else this.nativeFocus(),n(e)}else this.nativeFocus()}}}}();class T extends v{constructor(t={}){var e,n;super(),this.name="SwupA11yPlugin",this.requires={swup:">=4"},this.defaults={contentSelector:"main",headingSelector:"h1, h2, [role=heading]",respectReducedMotion:!1,autofocus:!1,announcements:{visit:"Navigated to: {title}",url:"New page at {url}"}},this.options=void 0,this.liveRegion=void 0,this.announce=t=>{this.liveRegion.say(t)},t.announcements=l({},this.defaults.announcements,{visit:null!=(e=t.announcementTemplate)?e:String(this.defaults.announcements.visit),url:null!=(n=t.urlTemplate)?n:String(this.defaults.announcements.url)},t.announcements),this.options=l({},this.defaults,t),this.liveRegion=new b}mount(){this.swup.hooks.create("content:announce"),this.swup.hooks.create("content:focus"),this.before("visit:start",this.prepareVisit),this.on("visit:start",this.markAsBusy),this.on("visit:end",this.unmarkAsBusy),this.on("content:replace",this.prepareAnnouncement),this.on("content:replace",this.handleNewPageContent),this.options.respectReducedMotion&&(this.before("visit:start",this.disableTransitionAnimations),this.before("visit:start",this.disableScrollAnimations),this.before("link:self",this.disableScrollAnimations),this.before("link:anchor",this.disableScrollAnimations)),this.swup.announce=this.announce}unmount(){this.swup.announce=void 0}markAsBusy(){document.documentElement.setAttribute("aria-busy","true")}unmarkAsBusy(){document.documentElement.removeAttribute("aria-busy")}prepareVisit(t){t.a11y={announce:void 0,focus:this.options.contentSelector}}prepareAnnouncement(t){if(void 0!==t.a11y.announce)return;const{contentSelector:e,headingSelector:n,announcements:i}=this.options,{href:o,url:s,pathname:r}=f.fromUrl(window.location.href),a=i[document.documentElement.lang||"*"]||i["*"]||i;if("object"!=typeof a)return;const u=document.querySelector(`${e} ${n}`);let c=u?.getAttribute("aria-label")||u?.textContent;c=c||document.title||this.parseTemplate(a.url,{href:o,url:s,path:r});const l=this.parseTemplate(a.visit,{title:c,href:o,url:s,path:r});t.a11y.announce=l}parseTemplate(t,e){return Object.keys(e).reduce(((t,n)=>t.replace(`{${n}}`,e[n]||"")),t||"")}handleNewPageContent(){var t=this;m().then((async function(){t.swup.hooks.call("content:announce",void 0,void 0,(e=>{t.announcePageName(e)})),t.swup.hooks.call("content:focus",void 0,void 0,(e=>{t.focusPageContent(e)}))}))}announcePageName(t){t.a11y.announce&&this.liveRegion.say(t.a11y.announce)}async focusPageContent(t){if(!t.a11y.focus)return;if(this.options.autofocus){const e=this.getAutofocusElement();if(e&&e!==document.activeElement)return void this.swup.hooks.once("visit:end",(n=>{n.id===t.id&&e.focus()}))}const e=document.querySelector(t.a11y.focus);e instanceof HTMLElement&&(this.needsTabindex(e)&&e.setAttribute("tabindex","-1"),e.focus({preventScroll:!0}))}getAutofocusElement(){const t=document.querySelector("body [autofocus]");if(t&&!t.closest('inert, [aria-disabled], [aria-hidden="true"]'))return t}disableTransitionAnimations(t){t.animation.animate=t.animation.animate&&this.shouldAnimate()}disableScrollAnimations(t){t.scroll.animate=t.scroll.animate&&this.shouldAnimate()}shouldAnimate(){return!window.matchMedia("(prefers-reduced-motion: reduce)").matches}needsTabindex(t){return!t.matches("a, button, input, textarea, select, details, [tabindex]")}}export{T as default};