swup/dist/Swup.modern.js

Versatile and extensible page transition library for server-rendered websites

import t from"delegate-it";import{match as e}from"path-to-regexp";function i(){return i=Object.assign?Object.assign.bind():function(t){for(var e=1;e<arguments.length;e++){var i=arguments[e];for(var s in i)({}).hasOwnProperty.call(i,s)&&(t[s]=i[s])}return t},i.apply(null,arguments)}const s=(t,e)=>String(t).toLowerCase().replace(/[\s/_.]+/g,"-").replace(/[^\w-]+/g,"").replace(/--+/g,"-").replace(/^-+|-+$/g,"")||e||"",n=({hash:t}={})=>window.location.pathname+window.location.search+(t?window.location.hash:""),o=(t,e={})=>{const s=i({url:t=t||n({hash:!0}),random:Math.random(),source:"swup"},e);window.history.pushState(s,"",t)},r=(t=null,e={})=>{t=t||n({hash:!0});const s=i({},window.history.state||{},{url:t,random:Math.random(),source:"swup"},e);window.history.replaceState(s,"",t)},a=(e,s,n,o)=>{const r=new AbortController;return o=i({},o,{signal:r.signal}),t(e,s,n,o),{destroy:()=>r.abort()}};class l extends URL{constructor(t,e=document.baseURI){super(t.toString(),e),Object.setPrototypeOf(this,l.prototype)}get url(){return this.pathname+this.search}static fromElement(t){const e=t.getAttribute("href")||t.getAttribute("xlink:href")||"";return new l(e)}static fromUrl(t){return new l(t)}}const h=(t,i)=>{Array.isArray(t)&&!t.length&&(t="");try{return e(t,i)}catch(e){throw new Error(`[swup] Error parsing path "${String(t)}":\n${String(e)}`)}};class c extends Error{constructor(t,e){super(t),this.url=void 0,this.status=void 0,this.aborted=void 0,this.timedOut=void 0,this.name="FetchError",this.url=e.url,this.status=e.status,this.aborted=e.aborted||!1,this.timedOut=e.timedOut||!1}}async function u(t,e={}){var s;t=l.fromUrl(t).url;const{visit:n=this.visit}=e,o=i({},this.options.requestHeaders,e.headers),r=null!=(s=e.timeout)?s:this.options.timeout,a=new AbortController,{signal:h}=a;e=i({},e,{headers:o,signal:h});let u,d=!1,p=null;r&&r>0&&(p=setTimeout(()=>{d=!0,a.abort("timeout")},r));try{u=await this.hooks.call("fetch:request",n,{url:t,options:e},(t,{url:e,options:i})=>fetch(e,i)),p&&clearTimeout(p)}catch(e){if(d)throw this.hooks.call("fetch:timeout",n,{url:t}),new c(`Request timed out: ${t}`,{url:t,timedOut:d});if("AbortError"===(null==e?void 0:e.name)||h.aborted)throw new c(`Request aborted: ${t}`,{url:t,aborted:!0});throw e}const{status:m,url:w}=u,f=await u.text();if(500===m)throw this.hooks.call("fetch:error",n,{status:m,response:u,url:w}),new c(`Server error: ${w}`,{status:m,url:w});if(!f)throw new c(`Empty response: ${w}`,{status:m,url:w});const{url:g}=l.fromUrl(w),v={url:g,html:f};return!n.cache.write||e.method&&"GET"!==e.method||t!==g||this.cache.set(v.url,v),v}class d{constructor(t){this.swup=void 0,this.pages=new Map,this.swup=t}get size(){return this.pages.size}get all(){const t=new Map;return this.pages.forEach((e,s)=>{t.set(s,i({},e))}),t}has(t){return this.pages.has(this.resolve(t))}get(t){const e=this.pages.get(this.resolve(t));return e?i({},e):e}set(t,e){e=i({},e,{url:t=this.resolve(t)}),this.pages.set(t,e),this.swup.hooks.callSync("cache:set",void 0,{page:e})}update(t,e){t=this.resolve(t);const s=i({},this.get(t),e,{url:t});this.pages.set(t,s)}delete(t){this.pages.delete(this.resolve(t))}clear(){this.pages.clear(),this.swup.hooks.callSync("cache:clear",void 0,void 0)}prune(t){this.pages.forEach((e,i)=>{t(i,e)&&this.delete(i)})}resolve(t){const{url:e}=l.fromUrl(t);return this.swup.resolveUrl(e)}}const p=(t,e=document)=>e.querySelector(t),m=(t,e=document)=>Array.from(e.querySelectorAll(t)),w=()=>new Promise(t=>{requestAnimationFrame(()=>{requestAnimationFrame(()=>{t()})})});function f(t){return!!t&&("object"==typeof t||"function"==typeof t)&&"function"==typeof t.then}function g(t,e=[]){return new Promise((i,s)=>{const n=t(...e);f(n)?n.then(i,s):i(n)})}function v(t){var e;null==(e=t=t||document.body)||e.getBoundingClientRect()}function y(t,e){const i=null==t?void 0:t.closest(`[${e}]`);return null!=i&&i.hasAttribute(e)?(null==i?void 0:i.getAttribute(e))||!0:void 0}class k{constructor(t){this.swup=void 0,this.swupClasses=["to-","is-changing","is-rendering","is-popstate","is-animating","is-leaving"],this.swup=t}get selectors(){const{scope:t}=this.swup.visit.animation;return"containers"===t?this.swup.visit.containers:"html"===t?["html"]:Array.isArray(t)?t:[]}get selector(){return this.selectors.join(",")}get targets(){return this.selector.trim()?m(this.selector):[]}add(...t){this.targets.forEach(e=>e.classList.add(...t))}remove(...t){this.targets.forEach(e=>e.classList.remove(...t))}clear(){this.targets.forEach(t=>{const e=t.className.split(" ").filter(t=>this.isSwupClass(t));t.classList.remove(...e)})}isSwupClass(t){return this.swupClasses.some(e=>t.startsWith(e))}}class b{constructor(t,e){this.id=void 0,this.state=void 0,this.from=void 0,this.to=void 0,this.containers=void 0,this.animation=void 0,this.trigger=void 0,this.cache=void 0,this.history=void 0,this.scroll=void 0,this.meta=void 0;const{to:i,from:s,hash:n,el:o,event:r}=e;this.id=Math.random(),this.state=1,this.from={url:null!=s?s:t.location.url,hash:t.location.hash},this.to={url:i,hash:n},this.containers=t.options.containers,this.animation={animate:!0,wait:!1,name:void 0,native:t.options.native,scope:t.options.animationScope,selector:t.options.animationSelector},this.trigger={el:o,event:r},this.cache={read:t.options.cache,write:t.options.cache},this.history={action:"push",popstate:!1,direction:void 0},this.scroll={reset:!0,target:void 0},this.meta={}}advance(t){this.state<t&&(this.state=t)}abort(){this.state=8}get done(){return this.state>=7}}function S(t){return new b(this,t)}class E{constructor(t){this.swup=void 0,this.registry=new Map,this.hooks=["animation:out:start","animation:out:await","animation:out:end","animation:in:start","animation:in:await","animation:in:end","animation:skip","cache:clear","cache:set","content:replace","content:scroll","enable","disable","fetch:request","fetch:error","fetch:timeout","history:popstate","link:click","link:self","link:anchor","link:newtab","page:load","page:view","scroll:top","scroll:anchor","visit:start","visit:transition","visit:abort","visit:end"],this.swup=t,this.init()}init(){this.hooks.forEach(t=>this.create(t))}create(t){this.registry.has(t)||this.registry.set(t,new Map)}exists(t){return this.registry.has(t)}get(t){const e=this.registry.get(t);if(e)return e;console.error(`Unknown hook '${t}'`)}clear(){this.registry.forEach(t=>t.clear())}on(t,e,s={}){const n=this.get(t);if(!n)return console.warn(`Hook '${t}' not found.`),()=>{};const o=i({},s,{id:n.size+1,hook:t,handler:e});return n.set(e,o),()=>this.off(t,e)}before(t,e,s={}){return this.on(t,e,i({},s,{before:!0}))}replace(t,e,s={}){return this.on(t,e,i({},s,{replace:!0}))}once(t,e,s={}){return this.on(t,e,i({},s,{once:!0}))}off(t,e){const i=this.get(t);i&&e?i.delete(e)||console.warn(`Handler for hook '${t}' not found.`):i&&i.clear()}async call(t,e,i,s){const[n,o,r]=this.parseCallArgs(t,e,i,s),{before:a,handler:l,after:h}=this.getHandlers(t,r);await this.run(a,n,o);const[c]=await this.run(l,n,o,!0);return await this.run(h,n,o),this.dispatchDomEvent(t,n,o),c}callSync(t,e,i,s){const[n,o,r]=this.parseCallArgs(t,e,i,s),{before:a,handler:l,after:h}=this.getHandlers(t,r);this.runSync(a,n,o);const[c]=this.runSync(l,n,o,!0);return this.runSync(h,n,o),this.dispatchDomEvent(t,n,o),c}parseCallArgs(t,e,i,s){return e instanceof b||"object"!=typeof e&&"function"!=typeof i?[e,i,s]:[void 0,e,i]}async run(t,e=this.swup.visit,i,s=!1){const n=[];for(const{hook:o,handler:r,defaultHandler:a,once:l}of t)if(null==e||!e.done){l&&this.off(o,r);try{const t=await g(r,[e,i,a]);n.push(t)}catch(t){if(s)throw t;console.error(`Error in hook '${o}':`,t)}}return n}runSync(t,e=this.swup.visit,i,s=!1){const n=[];for(const{hook:o,handler:r,defaultHandler:a,once:l}of t)if(null==e||!e.done){l&&this.off(o,r);try{const t=r(e,i,a);n.push(t),f(t)&&console.warn(`Swup will not await Promises in handler for synchronous hook '${o}'.`)}catch(t){if(s)throw t;console.error(`Error in hook '${o}':`,t)}}return n}getHandlers(t,e){const i=this.get(t);if(!i)return{found:!1,before:[],handler:[],after:[],replaced:!1};const s=Array.from(i.values()),n=this.sortRegistrations,o=s.filter(({before:t,replace:e})=>t&&!e).sort(n),r=s.filter(({replace:t})=>t).filter(t=>!0).sort(n),a=s.filter(({before:t,replace:e})=>!t&&!e).sort(n),l=r.length>0;let h=[];if(e&&(h=[{id:0,hook:t,handler:e}],l)){const i=r.length-1,{handler:s,once:n}=r[i],o=t=>{const i=r[t-1];return i?(e,s)=>i.handler(e,s,o(t-1)):e};h=[{id:0,hook:t,once:n,handler:s,defaultHandler:o(i)}]}return{found:!0,before:o,handler:h,after:a,replaced:l}}sortRegistrations(t,e){var i,s;return(null!=(i=t.priority)?i:0)-(null!=(s=e.priority)?s:0)||t.id-e.id||0}dispatchDomEvent(t,e,i){if(null!=e&&e.done)return;const s={hook:t,args:i,visit:e||this.swup.visit};document.dispatchEvent(new CustomEvent("swup:any",{detail:s,bubbles:!0})),document.dispatchEvent(new CustomEvent(`swup:${t}`,{detail:s,bubbles:!0}))}parseName(t){const[e,...s]=t.split(".");return[e,s.reduce((t,e)=>i({},t,{[e]:!0}),{})]}}const C=t=>{if(t&&"#"===t.charAt(0)&&(t=t.substring(1)),!t)return null;const e=decodeURIComponent(t);let i=document.getElementById(t)||document.getElementById(e)||p(`a[name='${CSS.escape(t)}']`)||p(`a[name='${CSS.escape(e)}']`);return i||"top"!==t||(i=document.body),i},U="transition",P="animation";async function $({selector:t,elements:e}){if(!1===t&&!e)return;let i=[];if(e)i=Array.from(e);else if(t&&(i=m(t,document.body),!i.length))return void console.warn(`[swup] No elements found matching animationSelector \`${t}\``);const s=i.map(t=>function(t){const{type:e,timeout:i,propCount:s}=function(t){const e=window.getComputedStyle(t),i=A(e,`${U}Delay`),s=A(e,`${U}Duration`),n=x(i,s),o=A(e,`${P}Delay`),r=A(e,`${P}Duration`),a=x(o,r),l=Math.max(n,a),h=l>0?n>a?U:P:null;return{type:h,timeout:l,propCount:h?h===U?s.length:r.length:0}}(t);return!(!e||!i)&&new Promise(n=>{const o=`${e}end`,r=performance.now();let a=0;const l=()=>{t.removeEventListener(o,h),n()},h=e=>{e.target===t&&((performance.now()-r)/1e3<e.elapsedTime||++a>=s&&l())};setTimeout(()=>{a<s&&l()},i+1),t.addEventListener(o,h)})}(t));s.filter(Boolean).length>0?await Promise.all(s):t&&console.warn(`[swup] No CSS animation duration defined on elements matching \`${t}\``)}function A(t,e){return(t[e]||"").split(", ")}function x(t,e){for(;t.length<e.length;)t=t.concat(t);return Math.max(...e.map((e,i)=>H(e)+H(t[i])))}function H(t){return 1e3*parseFloat(t)}function V(t,e={},s={}){if("string"!=typeof t)throw new Error("swup.navigate() requires a URL parameter");if(this.shouldIgnoreVisit(t,{el:s.el,event:s.event}))return void window.location.assign(t);const{url:n,hash:o}=l.fromUrl(t),r=this.createVisit(i({},s,{to:n,hash:o}));this.performNavigation(r,e)}async function I(t,e={}){if(this.navigating){if(this.visit.state>=6)return t.state=2,void(this.onVisitEnd=()=>this.performNavigation(t,e));await this.hooks.call("visit:abort",this.visit,void 0),delete this.visit.to.document,this.visit.state=8}this.navigating=!0,this.visit=t;const{el:i}=t.trigger;e.referrer=e.referrer||this.location.url,!1===e.animate&&(t.animation.animate=!1),t.animation.animate||this.classes.clear();const n=e.history||y(i,"data-swup-history");"string"==typeof n&&["push","replace"].includes(n)&&(t.history.action=n);const a=e.animation||y(i,"data-swup-animation");var h,c;"string"==typeof a&&(t.animation.name=a),t.meta=e.meta||{},"object"==typeof e.cache?(t.cache.read=null!=(h=e.cache.read)?h:t.cache.read,t.cache.write=null!=(c=e.cache.write)?c:t.cache.write):void 0!==e.cache&&(t.cache={read:!!e.cache,write:!!e.cache}),delete e.cache;try{await this.hooks.call("visit:start",t,void 0),t.state=3;const i=this.hooks.call("page:load",t,{options:e},async(t,e)=>{let i;return t.cache.read&&(i=this.cache.get(t.to.url)),e.page=i||await this.fetchPage(t.to.url,e.options),e.cache=!!i,e.page});i.then(({html:e})=>{t.advance(5),t.to.html=e,t.to.document=(new DOMParser).parseFromString(e,"text/html")});const n=t.to.url+t.to.hash;if(t.history.popstate||("replace"===t.history.action||t.to.url===this.location.url?r(n):(this.currentHistoryIndex++,o(n,{index:this.currentHistoryIndex}))),this.location=l.fromUrl(n),t.history.popstate&&this.classes.add("is-popstate"),t.animation.name&&this.classes.add(`to-${s(t.animation.name)}`),t.animation.wait&&await i,t.done)return;if(await this.hooks.call("visit:transition",t,void 0,async()=>{if(!t.animation.animate)return await this.hooks.call("animation:skip",void 0),void await this.renderPage(t,await i);t.advance(4),await this.animatePageOut(t),t.animation.native&&document.startViewTransition?await document.startViewTransition(async()=>await this.renderPage(t,await i)).finished:await this.renderPage(t,await i),await this.animatePageIn(t)}),t.done)return;await this.hooks.call("visit:end",t,void 0,()=>this.classes.clear()),t.state=7,this.navigating=!1,this.onVisitEnd&&(this.onVisitEnd(),this.onVisitEnd=void 0)}catch(e){if(!e||null!=e&&e.aborted)return void(t.state=8);t.state=9,console.error(e),this.options.skipPopStateHandling=()=>(window.location.assign(t.to.url+t.to.hash),!0),window.history.back()}finally{delete t.to.document}}const L=async function(t){await this.hooks.call("animation:out:start",t,void 0,()=>{this.classes.add("is-changing","is-animating","is-leaving")}),await this.hooks.call("animation:out:await",t,{skip:!1},(t,{skip:e})=>{if(!e)return this.awaitAnimations({selector:t.animation.selector})}),await this.hooks.call("animation:out:end",t,void 0)},q=function(t){var e;const i=t.to.document;if(!i)return!1;const s=(null==(e=i.querySelector("title"))?void 0:e.innerText)||"";document.title=s;const n=m('[data-swup-persist]:not([data-swup-persist=""])'),o=t.containers.map(t=>{const e=document.querySelector(t),s=i.querySelector(t);return e&&s?(e.replaceWith(s.cloneNode(!0)),!0):(e||console.warn(`[swup] Container missing in current document: ${t}`),s||console.warn(`[swup] Container missing in incoming document: ${t}`),!1)}).filter(Boolean);return n.forEach(t=>{const e=t.getAttribute("data-swup-persist"),i=p(`[data-swup-persist="${e}"]`);i&&i!==t&&i.replaceWith(t)}),o.length===t.containers.length},R=function(t){const e={behavior:"auto"},{target:s,reset:n}=t.scroll,o=null!=s?s:t.to.hash;let r=!1;return o&&(r=this.hooks.callSync("scroll:anchor",t,{hash:o,options:e},(t,{hash:e,options:i})=>{const s=this.getAnchorElement(e);return s&&s.scrollIntoView(i),!!s})),n&&!r&&(r=this.hooks.callSync("scroll:top",t,{options:e},(t,{options:e})=>(window.scrollTo(i({top:0,left:0},e)),!0))),r},T=async function(t){if(t.done)return;const e=this.hooks.call("animation:in:await",t,{skip:!1},(t,{skip:e})=>{if(!e)return this.awaitAnimations({selector:t.animation.selector})});await w(),await this.hooks.call("animation:in:start",t,void 0,()=>{this.classes.remove("is-animating")}),await e,await this.hooks.call("animation:in:end",t,void 0)},N=async function(t,e){if(t.done)return;t.advance(6);const{url:i}=e;this.isSameResolvedUrl(n(),i)||(r(i),this.location=l.fromUrl(i),t.to.url=this.location.url,t.to.hash=this.location.hash),await this.hooks.call("content:replace",t,{page:e},(t,{})=>{if(this.classes.remove("is-leaving"),t.animation.animate&&this.classes.add("is-rendering"),!this.replaceContent(t))throw new Error("[swup] Container mismatch, aborting");t.animation.animate&&(this.classes.add("is-changing","is-animating","is-rendering"),t.animation.name&&this.classes.add(`to-${s(t.animation.name)}`))}),await this.hooks.call("content:scroll",t,void 0,()=>this.scrollToContent(t)),await this.hooks.call("page:view",t,{url:this.location.url,title:document.title})},O=function(t){var e;if(e=t,Boolean(null==e?void 0:e.isSwupPlugin)){if(t.swup=this,!t._checkRequirements||t._checkRequirements())return t._beforeMount&&t._beforeMount(),t.mount(),this.plugins.push(t),this.plugins}else console.error("Not a swup plugin instance",t)};function D(t){const e=this.findPlugin(t);if(e)return e.unmount(),e._afterUnmount&&e._afterUnmount(),this.plugins=this.plugins.filter(t=>t!==e),this.plugins;console.error("No such plugin",e)}function M(t){return this.plugins.find(e=>e===t||e.name===t||e.name===`Swup${String(t)}`)}function W(t){if("function"!=typeof this.options.resolveUrl)return console.warn("[swup] options.resolveUrl expects a callback 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0,this.classes=void 0,this.location=l.fromUrl(window.location.href),this.currentHistoryIndex=void 0,this.clickDelegate=void 0,this.navigating=!1,this.onVisitEnd=void 0,this.use=O,this.unuse=D,this.findPlugin=M,this.log=()=>{},this.navigate=V,this.performNavigation=I,this.createVisit=S,this.delegateEvent=a,this.fetchPage=u,this.awaitAnimations=$,this.renderPage=N,this.replaceContent=q,this.animatePageIn=T,this.animatePageOut=L,this.scrollToContent=R,this.getAnchorElement=C,this.getCurrentUrl=n,this.resolveUrl=W,this.isSameResolvedUrl=B,this.options=i({},this.defaults,t),this.handleLinkClick=this.handleLinkClick.bind(this),this.handlePopState=this.handlePopState.bind(this),this.cache=new d(this),this.classes=new k(this),this.hooks=new E(this),this.visit=this.createVisit({to:""}),this.currentHistoryIndex=null!=(e=null==(s=window.history.state)?void 0:s.index)?e:1,this.enable()}async enable(){var t;const{linkSelector:e}=this.options;this.clickDelegate=this.delegateEvent(e,"click",this.handleLinkClick),window.addEventListener("popstate",this.handlePopState),this.options.animateHistoryBrowsing&&(window.history.scrollRestoration="manual"),this.options.native=this.options.native&&!!document.startViewTransition,this.options.plugins.forEach(t=>this.use(t));for(const[t,e]of Object.entries(this.options.hooks)){const[i,s]=this.hooks.parseName(t);this.hooks.on(i,e,s)}"swup"!==(null==(t=window.history.state)?void 0:t.source)&&r(null,{index:this.currentHistoryIndex}),await w(),await this.hooks.call("enable",void 0,void 0,()=>{const t=document.documentElement;t.classList.add("swup-enabled"),t.classList.toggle("swup-native",this.options.native)})}async destroy(){this.clickDelegate.destroy(),window.removeEventListener("popstate",this.handlePopState),this.cache.clear(),this.options.plugins.forEach(t=>this.unuse(t)),await this.hooks.call("disable",void 0,void 0,()=>{const t=document.documentElement;t.classList.remove("swup-enabled"),t.classList.remove("swup-native")}),this.hooks.clear()}shouldIgnoreVisit(t,{el:e,event:i}={}){const{origin:s,url:n,hash:o}=l.fromUrl(t);return s!==window.location.origin||!(!e||!this.triggerWillOpenNewWindow(e))||!!this.options.ignoreVisit(n+o,{el:e,event:i})}handleLinkClick(t){const e=t.delegateTarget,{href:i,url:s,hash:n}=l.fromElement(e);if(this.shouldIgnoreVisit(i,{el:e,event:t}))return;if(this.navigating&&s===this.visit.to.url)return void t.preventDefault();const o=this.createVisit({to:s,hash:n,el:e,event:t});t.metaKey||t.ctrlKey||t.shiftKey||t.altKey?this.hooks.callSync("link:newtab",o,{href:i}):0===t.button&&this.hooks.callSync("link:click",o,{el:e,event:t},()=>{var e;const i=null!=(e=o.from.url)?e:"";t.preventDefault(),s&&s!==i?this.isSameResolvedUrl(s,i)||this.performNavigation(o):n?this.hooks.callSync("link:anchor",o,{hash:n},()=>{r(s+n),this.scrollToContent(o)}):this.hooks.callSync("link:self",o,void 0,()=>{"navigate"===this.options.linkToSelf?this.performNavigation(o):(r(s),this.scrollToContent(o))})})}handlePopState(t){var e,i,s,o;const r=null!=(e=null==(i=t.state)?void 0:i.url)?e:window.location.href;if(this.options.skipPopStateHandling(t))return;if(this.isSameResolvedUrl(n(),this.location.url))return;const{url:a,hash:h}=l.fromUrl(r),c=this.createVisit({to:a,hash:h,event:t});c.history.popstate=!0;const u=null!=(s=null==(o=t.state)?void 0:o.index)?s:0;u&&u!==this.currentHistoryIndex&&(c.history.direction=u-this.currentHistoryIndex>0?"forwards":"backwards",this.currentHistoryIndex=u),c.animation.animate=!1,c.scroll.reset=!1,c.scroll.target=!1,this.options.animateHistoryBrowsing&&(c.animation.animate=!0,c.scroll.reset=!0),this.hooks.callSync("history:popstate",c,{event:t},()=>{this.performNavigation(c)})}triggerWillOpenNewWindow(t){return!!t.matches('[download], [target="_blank"]')}}export{l as Location,s as classify,o as createHistoryRecord,_ as default,a as delegateEvent,v as forceReflow,y as getContextualAttr,n as getCurrentUrl,f as isPromise,h as matchPath,w as nextTick,p as query,m as queryAll,g as runAsPromise,r as updateHistoryRecord};
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