swup.umd.js

!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t||self).Swup=e()}(this,function(){const t=function(t){let{hash:e}=void 0===t?{}:t;return location.pathname+location.search+(e?location.hash:"")},e=function(e,n){void 0===e&&(e=null),void 0===n&&(n={}),e=e||t({hash:!0});const i={...history.state,url:e,random:Math.random(),source:"swup",...n};history.replaceState(i,"",e)},n=new WeakMap;function i(t,e,i,s){var o,r;if(!t&&!n.has(e))return!1;const a=null!==(o=n.get(e))&&void 0!==o?o:new WeakMap;if(n.set(e,a),!t&&!n.has(e))return!1;const l=null!==(r=a.get(i))&&void 0!==r?r:new Set;a.set(i,l);const c=l.has(s);return t?l.add(s):l.delete(s),c&&t}function s(t,e,n,o,r){if("string"==typeof t&&(t=document.querySelectorAll(t)),"function"!=typeof t.addEventListener){const i=Array.prototype.map.call(t,t=>s(t,e,n,o,r));return{destroy(){for(const t of i)t.destroy()}}}const a=t instanceof Document?t.documentElement:t,l=Boolean("object"==typeof r?r.capture:r),c=t=>{const n=function(t,e){let n=t.target;if(n instanceof Text&&(n=n.parentElement),n instanceof Element&&t.currentTarget instanceof Element){const i=n.closest(e);if(i&&t.currentTarget.contains(i))return i}}(t,e);n&&(t.delegateTarget=n,o.call(a,t))};"object"==typeof r&&delete r.once;const u=JSON.stringify({selector:e,type:n,capture:l}),h={destroy(){a.removeEventListener(n,c,r),i(!1,a,o,u)}};return i(!0,a,o,u)||a.addEventListener(n,c,r),h}const o=function(t,e,n,i){let{base:o=document,...r}=void 0===i?{}:i;const a=s(o,t,e,n,r);return{destroy:()=>a.destroy()}},r=function(t,e){return void 0===e&&(e=document),e.querySelector(t)},a=function(t,e){return void 0===e&&(e=document),Array.from(e.querySelectorAll(t))},l=t=>1e3*Number(t.slice(0,-1).replace(",","."));class c extends URL{constructor(t,e){void 0===e&&(e=document.baseURI),super(t.toString(),e)}get url(){return this.pathname+this.search}static fromElement(t){const e=t.getAttribute("href")||t.getAttribute("xlink:href");return new c(e)}static fromUrl(t){return new c(t)}}const u=t=>/^to-/.test(t)||["is-changing","is-rendering","is-popstate"].includes(t),h=()=>{const t=document.documentElement.className.split(" ").filter(u);document.documentElement.classList.remove(...t)};class d{constructor(t){this.pages={},this.last=null,this.swup=void 0,this.swup=t}getCacheUrl(t){return this.swup.resolveUrl(c.fromUrl(t).url)}cacheUrl(t){t.url=this.getCacheUrl(t.url),t.url in this.pages==0&&(this.pages[t.url]=t),t.responseURL=this.getCacheUrl(t.responseURL),this.last=this.pages[t.url],this.swup.log(`Cache (${Object.keys(this.pages).length})`,this.pages)}getPage(t){return t=this.getCacheUrl(t),this.pages[t]}getCurrentPage(){return this.getPage(t())}exists(t){return(t=this.getCacheUrl(t))in this.pages}empty(){this.pages={},this.last=null,this.swup.log("Cache cleared")}remove(t){delete this.pages[this.getCacheUrl(t)]}}const p=function(t){let{event:e,skipTransition:n}=void 0===t?{}:t;if(n)return this.triggerEvent("transitionEnd",e),this.cleanupAnimationClasses(),[Promise.resolve()];var i;i=()=>{this.triggerEvent("animationInStart"),document.documentElement.classList.remove("is-animating")},requestAnimationFrame(()=>{requestAnimationFrame(()=>{i()})});const s=this.getAnimationPromises("in");return Promise.all(s).then(()=>{this.triggerEvent("animationInDone"),this.triggerEvent("transitionEnd",e),this.cleanupAnimationClasses()}),s},g=t=>{return t?("#"===t.charAt(0)&&(t=t.substring(1)),e=t=decodeURIComponent(t),t=window.CSS&&window.CSS.escape?CSS.escape(e):e,r(`#${t}`)||r(`a[name='${t}']`)):null;var e};let m="transition",f="transitionend",v="animation",w="animationend";function E(t){const e=this.options.animationSelector;if(!1===e)return[Promise.resolve()];const n=a(e,document.body);return n.length?n.map(t=>function(t,e,n){void 0===n&&(n=null);const{type:i,timeout:s,propCount:o}=function(t,e){void 0===e&&(e=null);const n=window.getComputedStyle(t),i=`${m}Duration`,s=`${v}Delay`,o=`${v}Duration`,r=n[`${m}Delay`].split(", "),a=(n[i]||"").split(", "),l=P(r,a),c=(n[s]||"").split(", "),u=(n[o]||"").split(", "),h=P(c,u);let d="",p=0,g=0;return"transition"===e?l>0&&(d="transition",p=l,g=a.length):"animation"===e?h>0&&(d="animation",p=h,g=u.length):(p=Math.max(l,h),d=p>0?l>h?"transition":"animation":null,g=d?"transition"===d?a.length:u.length:0),{type:d,timeout:p,propCount:g}}(t,n);return i&&s?new Promise(e=>{const n="transition"===i?f:w,r=performance.now();let a=0;const l=()=>{t.removeEventListener(n,c),e()},c=e=>{if(e.target===t){if(!(t=>!!t.elapsedTime)(e))throw new Error("Not a transition or animation event.");(performance.now()-r)/1e3<e.elapsedTime||++a>=o&&l()}};setTimeout(()=>{a<o&&l()},s+1),t.addEventListener(n,c)}):(console.warn(`[swup] No CSS transition duration defined for element of selector ${e}`),Promise.resolve())}(t,e)):(console.warn(`[swup] No animated elements found by selector ${e}`),[Promise.resolve()])}function P(t,e){for(;t.length<e.length;)t=t.concat(t);return Math.max(...e.map((e,n)=>l(e)+l(t[n])))}void 0===window.ontransitionend&&void 0!==window.onwebkittransitionend&&(m="WebkitTransition",f="webkitTransitionEnd"),void 0===window.onanimationend&&void 0!==window.onwebkitanimationend&&(v="WebkitAnimation",w="webkitAnimationEnd");const S=function(t){const e=((t,e)=>{let n=document.createElement("html");n.innerHTML=t;let i=[];e.forEach(t=>{if(null==r(t,n))return console.warn(`[swup] Container ${t} not found on page.`),null;a(t).length!==a(t,n).length&&console.warn("[swup] Mismatched number of containers found on new page."),a(t).forEach((e,s)=>{a(t,n)[s].setAttribute("data-swup",String(i.length)),i.push(a(t,n)[s].outerHTML)})});const s=r("title",n)?.innerText||"",o=r("body",n)?.className;return n.innerHTML="",n=null,{title:s,pageClass:o,blocks:i,originalContent:t}})(t.responseText,this.options.containers);return e?{...e,responseURL:t.responseURL||window.location.href}:(console.warn("[swup] Received page is invalid."),null)};function y(t){const e=this.options.requestHeaders,{url:n}=t;return this.cache.exists(n)?(this.triggerEvent("pageRetrievedFromCache"),Promise.resolve(this.cache.getPage(n))):new Promise((i,s)=>{((t,e)=>{const n={url:window.location.pathname+window.location.search,method:"GET",data:null,headers:{}},{url:i,method:s,headers:o,data:r}={...n,...t},a=new XMLHttpRequest;a.onreadystatechange=function(){4===a.readyState&&e(a)},a.open(s,i,!0),Object.entries(o).forEach(t=>{let[e,n]=t;a.setRequestHeader(e,n)}),a.send(r)})({...t,headers:e},t=>{if(500===t.status)return this.triggerEvent("serverError"),void s(n);const e=this.getPageData(t);if(!e||!e.blocks.length)return void s(n);const o={...e,url:n};this.cache.cacheUrl(o),this.triggerEvent("pageLoaded"),i(o)})})}const b=function(t){let{event:e,skipTransition:n}=void 0===t?{}:t;const i=e instanceof PopStateEvent;if(n)return this.triggerEvent("animationSkipped"),[Promise.resolve()];this.triggerEvent("animationOutStart"),document.documentElement.classList.add("is-changing","is-leaving","is-animating"),i&&document.documentElement.classList.add("is-popstate");const s=this.getAnimationPromises("out");return Promise.all(s).then(()=>{this.triggerEvent("animationOutDone")}),s};function k(t){const{url:e}=t;this.shouldIgnoreVisit(e)?window.location.href=e:this.performPageLoad(t)}function U(e){const{url:n,event:i,customTransition:s}=e??{},o=i instanceof PopStateEvent,r=this.shouldSkipTransition({url:n,event:i});var a;this.triggerEvent("transitionStart",i),this.updateTransition(t(),n,s),null!=s&&document.documentElement.classList.add(`to-${a=s,String(a).toLowerCase().replace(/[\s/_.]+/g,"-").replace(/[^\w-]+/g,"").replace(/--+/g,"-").replace(/^-+|-+$/g,"")||""}`);const l=this.leavePage({event:i,skipTransition:r});o||function(e,n){void 0===n&&(n={});const i={url:e=e||t({hash:!0}),random:Math.random(),source:"swup",...n};history.pushState(i,"",e)}(n+(this.scrollToElement||"")),this.currentPageUrl=t();const c=this.fetchPage(e);Promise.all([c,...l]).then(t=>{let[e]=t;this.renderPage(e,{event:i,skipTransition:r})}).catch(t=>{void 0!==t&&(this.options.skipPopStateHandling=()=>(window.location=t,!0),history.go(-1))})}const L=function(t){let{blocks:e,title:n}=t;return e.forEach((t,e)=>{document.body.querySelector(`[data-swup="${e}"]`).outerHTML=t}),document.title=n,Promise.resolve()};function T(t,e){const n=this._handlers[t];n?n.push(e):console.warn(`Unsupported event ${t}.`)}function C(t,e){if(t&&e){const n=this._handlers[t];n.includes(e)?this._handlers[t]=n.filter(t=>t!==e):console.warn(`Handler for event '${t}' not found.`)}else t?this._handlers[t]=[]:Object.keys(this._handlers).forEach(t=>{this._handlers[t]=[]})}function H(t,e){this._handlers[t].forEach(t=>{try{t(e)}catch(t){console.error(t)}});const n=new CustomEvent(`swup:${t}`,{detail:t});document.dispatchEvent(n)}const R=function(t){if(t?.isSwupPlugin){if(t.swup=this,!t._checkRequirements||t._checkRequirements())return t._beforeMount&&t._beforeMount(),t.mount(),this.plugins.push(t),this.plugins}else console.error("Not a swup plugin instance",t)};function A(t){const e=this.findPlugin(t);if(e)return e.unmount(),e._afterUnmount&&e._afterUnmount(),this.plugins=this.plugins.filter(t=>t!==e),this.plugins;console.error("No such plugin",e)}function $(t){return this.plugins.find(e=>e===t||e.name===t)}const _=function(n,i){let{event:s,skipTransition:o}=void 0===i?{}:i;if(document.documentElement.classList.remove("is-leaving"),!this.isSameResolvedUrl(t(),n.url))return;const{url:r}=c.fromUrl(n.responseURL);this.isSameResolvedUrl(t(),r)||(this.cache.cacheUrl({...n,url:r}),this.currentPageUrl=t(),e(r)),o||document.documentElement.classList.add("is-rendering"),this.triggerEvent("willReplaceContent",s),this.replaceContent(n).then(()=>{this.triggerEvent("contentReplaced",s),this.triggerEvent("pageView",s),this.options.cache||this.cache.empty(),this.enterPage({event:s,skipTransition:o}),this.scrollToElement=null})};function x(t,e,n){this.transition={from:t,to:e,custom:n}}function M(t){let{event:e}=t;return!(!(e instanceof PopStateEvent)||this.options.animateHistoryBrowsing)}return class{constructor(e){void 0===e&&(e={}),this.version="3.0.4",this._handlers={animationInDone:[],animationInStart:[],animationOutDone:[],animationOutStart:[],animationSkipped:[],clickLink:[],contentReplaced:[],disabled:[],enabled:[],openPageInNewTab:[],pageLoaded:[],pageRetrievedFromCache:[],pageView:[],popState:[],samePage:[],samePageWithHash:[],serverError:[],transitionStart:[],transitionEnd:[],willReplaceContent:[]},this.scrollToElement=null,this.options=void 0,this.plugins=[],this.transition={},this.cache=void 0,this.currentPageUrl=t(),this.delegatedListeners={},this.boundPopStateHandler=void 0,this.loadPage=k,this.performPageLoad=U,this.leavePage=b,this.renderPage=_,this.replaceContent=L,this.enterPage=p,this.triggerEvent=H,this.delegateEvent=o,this.on=T,this.off=C,this.updateTransition=x,this.shouldSkipTransition=M,this.getAnimationPromises=E,this.getPageData=S,this.fetchPage=y,this.getAnchorElement=g,this.log=()=>{},this.use=R,this.unuse=A,this.findPlugin=$,this.getCurrentUrl=t,this.cleanupAnimationClasses=h,this.defaults={animateHistoryBrowsing:!1,animationSelector:'[class*="transition-"]',cache:!0,containers:["#swup"],ignoreVisit:function(t,e){let{el:n}=void 0===e?{}:e;return!!n?.closest("[data-no-swup]")},linkSelector:"a[href]",plugins:[],resolveUrl:t=>t,requestHeaders:{"X-Requested-With":"swup",Accept:"text/html, application/xhtml+xml"},skipPopStateHandling:t=>"swup"!==t.state?.source},this.options={...this.defaults,...e},this.boundPopStateHandler=this.popStateHandler.bind(this),this.cache=new d(this),this.enable()}enable(){"undefined"!=typeof Promise?(this.delegatedListeners.click=o(this.options.linkSelector,"click",this.linkClickHandler.bind(this)),window.addEventListener("popstate",this.boundPopStateHandler),((t,e)=>{let n=0;this.options.containers.forEach(e=>{null==r(e,t)?console.warn(`[swup] Container ${e} not found on page.`):a(e).forEach((i,s)=>{a(e,t)[s].setAttribute("data-swup",String(n)),n++})})})(document.documentElement),this.options.plugins.forEach(t=>this.use(t)),e(),this.triggerEvent("enabled"),document.documentElement.classList.add("swup-enabled"),this.triggerEvent("pageView")):console.warn("Promise is not supported")}destroy(){this.delegatedListeners.click.destroy(),window.removeEventListener("popstate",this.boundPopStateHandler),this.cache.empty(),this.options.plugins.forEach(t=>{this.unuse(t)}),a("[data-swup]").forEach(t=>{t.removeAttribute("data-swup")}),this.off(),this.triggerEvent("disabled"),document.documentElement.classList.remove("swup-enabled")}shouldIgnoreVisit(t,e){let{el:n}=void 0===e?{}:e;const{origin:i,url:s,hash:o}=c.fromUrl(t);return i!==window.location.origin||!(!n||!this.triggerWillOpenNewWindow(n))||!!this.options.ignoreVisit(s+o,{el:n})}linkClickHandler(e){const n=e.delegateTarget,{href:i,url:s,hash:o}=c.fromElement(n);if(this.shouldIgnoreVisit(i,{el:n}))return;if(e.metaKey||e.ctrlKey||e.shiftKey||e.altKey)return void this.triggerEvent("openPageInNewTab",e);if(0!==e.button)return;if(this.triggerEvent("clickLink",e),e.preventDefault(),!s||s===t())return void this.handleLinkToSamePage(s,o,e);if(this.isSameResolvedUrl(s,t()))return;this.scrollToElement=o||null;const r=n.getAttribute("data-swup-transition")||void 0;this.performPageLoad({url:s,customTransition:r})}handleLinkToSamePage(t,n,i){if(n){if(this.triggerEvent("samePageWithHash",i),!g(n))return console.warn(`Element for offset not found (#${n})`);e(t+n)}else this.triggerEvent("samePage",i)}triggerWillOpenNewWindow(t){return!!t.matches('[download], [target="_blank"]')}popStateHandler(e){if(this.options.skipPopStateHandling(e))return;if(this.isSameResolvedUrl(t(),this.currentPageUrl))return;const n=e.state?.url??location.href;if(this.shouldIgnoreVisit(n))return;const{url:i,hash:s}=c.fromUrl(n);s?this.scrollToElement=s:e.preventDefault(),this.triggerEvent("popState",e),this.options.animateHistoryBrowsing||(document.documentElement.classList.remove("is-animating"),h()),this.performPageLoad({url:i,event:e})}resolveUrl(t){if("function"!=typeof this.options.resolveUrl)return console.warn("[swup] options.resolveUrl expects a callback function."),t;const e=this.options.resolveUrl(t);return e&&"string"==typeof e?e.startsWith("//")||e.startsWith("http")?(console.warn("[swup] options.resolveUrl needs to return a relative url"),t):e:(console.warn("[swup] options.resolveUrl needs to return a url"),t)}isSameResolvedUrl(t,e){return this.resolveUrl(t)===this.resolveUrl(e)}}});
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