next/dist/next-server/lib/router/router.js

The React Framework

"use strict";exports.__esModule=true;exports.getDomainLocale=getDomainLocale;exports.addLocale=addLocale;exports.delLocale=delLocale;exports.hasBasePath=hasBasePath;exports.addBasePath=addBasePath;exports.delBasePath=delBasePath;exports.isLocalURL=isLocalURL;exports.interpolateAs=interpolateAs;exports.resolveHref=resolveHref;exports.default=void 0;var _normalizeTrailingSlash=require("../../../client/normalize-trailing-slash");var _routeLoader=require("../../../client/route-loader");var _denormalizePagePath=require("../../server/denormalize-page-path");var _normalizeLocalePath=require("../i18n/normalize-locale-path");var _mitt=_interopRequireDefault(require("../mitt"));var _utils=require("../utils");var _isDynamic=require("./utils/is-dynamic");var _parseRelativeUrl=require("./utils/parse-relative-url");var _querystring=require("./utils/querystring");var _resolveRewrites=_interopRequireDefault(require("./utils/resolve-rewrites"));var _routeMatcher=require("./utils/route-matcher");var _routeRegex=require("./utils/route-regex");function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj};}// tslint:disable:no-console
let detectDomainLocale;if(process.env.__NEXT_I18N_SUPPORT){detectDomainLocale=require('../i18n/detect-domain-locale').detectDomainLocale;}const basePath=process.env.__NEXT_ROUTER_BASEPATH||'';function buildCancellationError(){return Object.assign(new Error('Route Cancelled'),{cancelled:true});}function addPathPrefix(path,prefix){return prefix&&path.startsWith('/')?path==='/'?(0,_normalizeTrailingSlash.normalizePathTrailingSlash)(prefix):`${prefix}${pathNoQueryHash(path)==='/'?path.substring(1):path}`:path;}function getDomainLocale(path,locale,locales,domainLocales){if(process.env.__NEXT_I18N_SUPPORT){locale=locale||(0,_normalizeLocalePath.normalizeLocalePath)(path,locales).detectedLocale;const detectedDomain=detectDomainLocale(domainLocales,undefined,locale);if(detectedDomain){return`http${detectedDomain.http?'':'s'}://${detectedDomain.domain}${basePath||''}${locale===detectedDomain.defaultLocale?'':`/${locale}`}${path}`;}return false;}return false;}function addLocale(path,locale,defaultLocale){if(process.env.__NEXT_I18N_SUPPORT){const pathname=pathNoQueryHash(path);const pathLower=pathname.toLowerCase();const localeLower=locale&&locale.toLowerCase();return locale&&locale!==defaultLocale&&!pathLower.startsWith('/'+localeLower+'/')&&pathLower!=='/'+localeLower?addPathPrefix(path,'/'+locale):path;}return path;}function delLocale(path,locale){if(process.env.__NEXT_I18N_SUPPORT){const pathname=pathNoQueryHash(path);const pathLower=pathname.toLowerCase();const localeLower=locale&&locale.toLowerCase();return locale&&(pathLower.startsWith('/'+localeLower+'/')||pathLower==='/'+localeLower)?(pathname.length===locale.length+1?'/':'')+path.substr(locale.length+1):path;}return path;}function pathNoQueryHash(path){const queryIndex=path.indexOf('?');const hashIndex=path.indexOf('#');if(queryIndex>-1||hashIndex>-1){path=path.substring(0,queryIndex>-1?queryIndex:hashIndex);}return path;}function hasBasePath(path){path=pathNoQueryHash(path);return path===basePath||path.startsWith(basePath+'/');}function addBasePath(path){// we only add the basepath on relative urls
return addPathPrefix(path,basePath);}function delBasePath(path){path=path.slice(basePath.length);if(!path.startsWith('/'))path=`/${path}`;return path;}/**
 * Detects whether a given url is routable by the Next.js router (browser only).
 */function isLocalURL(url){// prevent a hydration mismatch on href for url with anchor refs
if(url.startsWith('/')||url.startsWith('#')||url.startsWith('?'))return true;try{// absolute urls can be local if they are on the same origin
const locationOrigin=(0,_utils.getLocationOrigin)();const resolved=new URL(url,locationOrigin);return resolved.origin===locationOrigin&&hasBasePath(resolved.pathname);}catch(_){return false;}}function interpolateAs(route,asPathname,query){let interpolatedRoute='';const dynamicRegex=(0,_routeRegex.getRouteRegex)(route);const dynamicGroups=dynamicRegex.groups;const dynamicMatches=// Try to match the dynamic route against the asPath
(asPathname!==route?(0,_routeMatcher.getRouteMatcher)(dynamicRegex)(asPathname):'')||// Fall back to reading the values from the href
// TODO: should this take priority; also need to change in the router.
query;interpolatedRoute=route;const params=Object.keys(dynamicGroups);if(!params.every(param=>{let value=dynamicMatches[param]||'';const{repeat,optional}=dynamicGroups[param];// support single-level catch-all
// TODO: more robust handling for user-error (passing `/`)
let replaced=`[${repeat?'...':''}${param}]`;if(optional){replaced=`${!value?'/':''}[${replaced}]`;}if(repeat&&!Array.isArray(value))value=[value];return(optional||param in dynamicMatches)&&(// Interpolate group into data URL if present
interpolatedRoute=interpolatedRoute.replace(replaced,repeat?value.map(// these values should be fully encoded instead of just
// path delimiter escaped since they are being inserted
// into the URL and we expect URL encoded segments
// when parsing dynamic route params
segment=>encodeURIComponent(segment)).join('/'):encodeURIComponent(value))||'/');})){interpolatedRoute='';// did not satisfy all requirements
// n.b. We ignore this error because we handle warning for this case in
// development in the `<Link>` component directly.
}return{params,result:interpolatedRoute};}function omitParmsFromQuery(query,params){const filteredQuery={};Object.keys(query).forEach(key=>{if(!params.includes(key)){filteredQuery[key]=query[key];}});return filteredQuery;}/**
 * Resolves a given hyperlink with a certain router state (basePath not included).
 * Preserves absolute urls.
 */function resolveHref(router,href,resolveAs){// we use a dummy base url for relative urls
let base;const urlAsString=typeof href==='string'?href:(0,_utils.formatWithValidation)(href);try{base=new URL(urlAsString.startsWith('#')?router.asPath:router.pathname,'http://n');}catch(_){// fallback to / for invalid asPath values e.g. //
base=new URL('/','http://n');}// Return because it cannot be routed by the Next.js router
if(!isLocalURL(urlAsString)){return resolveAs?[urlAsString]:urlAsString;}try{const finalUrl=new URL(urlAsString,base);finalUrl.pathname=(0,_normalizeTrailingSlash.normalizePathTrailingSlash)(finalUrl.pathname);let interpolatedAs='';if((0,_isDynamic.isDynamicRoute)(finalUrl.pathname)&&finalUrl.searchParams&&resolveAs){const query=(0,_querystring.searchParamsToUrlQuery)(finalUrl.searchParams);const{result,params}=interpolateAs(finalUrl.pathname,finalUrl.pathname,query);if(result){interpolatedAs=(0,_utils.formatWithValidation)({pathname:result,hash:finalUrl.hash,query:omitParmsFromQuery(query,params)});}}// if the origin didn't change, it means we received a relative href
const resolvedHref=finalUrl.origin===base.origin?finalUrl.href.slice(finalUrl.origin.length):finalUrl.href;return resolveAs?[resolvedHref,interpolatedAs||resolvedHref]:resolvedHref;}catch(_){return resolveAs?[urlAsString]:urlAsString;}}function stripOrigin(url){const origin=(0,_utils.getLocationOrigin)();return url.startsWith(origin)?url.substring(origin.length):url;}function prepareUrlAs(router,url,as){// If url and as provided as an object representation,
// we'll format them into the string version here.
let[resolvedHref,resolvedAs]=resolveHref(router,url,true);const origin=(0,_utils.getLocationOrigin)();const hrefHadOrigin=resolvedHref.startsWith(origin);const asHadOrigin=resolvedAs&&resolvedAs.startsWith(origin);resolvedHref=stripOrigin(resolvedHref);resolvedAs=resolvedAs?stripOrigin(resolvedAs):resolvedAs;const preparedUrl=hrefHadOrigin?resolvedHref:addBasePath(resolvedHref);const preparedAs=as?stripOrigin(resolveHref(router,as)):resolvedAs||resolvedHref;return{url:preparedUrl,as:asHadOrigin?preparedAs:addBasePath(preparedAs)};}function resolveDynamicRoute(pathname,pages){const cleanPathname=(0,_normalizeTrailingSlash.removePathTrailingSlash)((0,_denormalizePagePath.denormalizePagePath)(pathname));if(cleanPathname==='/404'||cleanPathname==='/_error'){return pathname;}// handle resolving href for dynamic routes
if(!pages.includes(cleanPathname)){// eslint-disable-next-line array-callback-return
pages.some(page=>{if((0,_isDynamic.isDynamicRoute)(page)&&(0,_routeRegex.getRouteRegex)(page).re.test(cleanPathname)){pathname=page;return true;}});}return(0,_normalizeTrailingSlash.removePathTrailingSlash)(pathname);}const manualScrollRestoration=process.env.__NEXT_SCROLL_RESTORATION&&typeof window!=='undefined'&&'scrollRestoration'in window.history&&!!function(){try{let v='__next';// eslint-disable-next-line no-sequences
return sessionStorage.setItem(v,v),sessionStorage.removeItem(v),true;}catch(n){}}();const SSG_DATA_NOT_FOUND=Symbol('SSG_DATA_NOT_FOUND');function fetchRetry(url,attempts){return fetch(url,{// Cookies are required to be present for Next.js' SSG "Preview Mode".
// Cookies may also be required for `getServerSideProps`.
//
// > `fetch` won’t send cookies, unless you set the credentials init
// > option.
// https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch
//
// > For maximum browser compatibility when it comes to sending &
// > receiving cookies, always supply the `credentials: 'same-origin'`
// > option instead of relying on the default.
// https://github.com/github/fetch#caveats
credentials:'same-origin'}).then(res=>{if(!res.ok){if(attempts>1&&res.status>=500){return fetchRetry(url,attempts-1);}if(res.status===404){return res.json().then(data=>{if(data.notFound){return{notFound:SSG_DATA_NOT_FOUND};}throw new Error(`Failed to load static props`);});}throw new Error(`Failed to load static props`);}return res.json();});}function fetchNextData(dataHref,isServerRender){return fetchRetry(dataHref,isServerRender?3:1).catch(err=>{// We should only trigger a server-side transition if this was caused
// on a client-side transition. Otherwise, we'd get into an infinite
// loop.
if(!isServerRender){(0,_routeLoader.markAssetError)(err);}throw err;});}class Router{/**
   * Map of all components loaded in `Router`
   */ // Static Data Cache
// In-flight Server Data Requests, for deduping
constructor(_pathname,_query,_as,{initialProps,pageLoader,App,wrapApp,Component,err,subscription,isFallback,locale,locales,defaultLocale,domainLocales,isPreview}){this.route=void 0;this.pathname=void 0;this.query=void 0;this.asPath=void 0;this.basePath=void 0;this.components=void 0;this.sdc={};this.sdr={};this.sub=void 0;this.clc=void 0;this.pageLoader=void 0;this._bps=void 0;this.events=void 0;this._wrapApp=void 0;this.isSsr=void 0;this.isFallback=void 0;this._inFlightRoute=void 0;this._shallow=void 0;this.locale=void 0;this.locales=void 0;this.defaultLocale=void 0;this.domainLocales=void 0;this.isReady=void 0;this.isPreview=void 0;this.isLocaleDomain=void 0;this._idx=0;this.onPopState=e=>{const state=e.state;if(!state){// We get state as undefined for two reasons.
//  1. With older safari (< 8) and older chrome (< 34)
//  2. When the URL changed with #
//
// In the both cases, we don't need to proceed and change the route.
// (as it's already changed)
// But we can simply replace the state with the new changes.
// Actually, for (1) we don't need to nothing. But it's hard to detect that event.
// So, doing the following for (1) does no harm.
const{pathname,query}=this;this.changeState('replaceState',(0,_utils.formatWithValidation)({pathname:addBasePath(pathname),query}),(0,_utils.getURL)());return;}if(!state.__N){return;}let forcedScroll;const{url,as,options,idx}=state;if(process.env.__NEXT_SCROLL_RESTORATION){if(manualScrollRestoration){if(this._idx!==idx){// Snapshot current scroll position:
try{sessionStorage.setItem('__next_scroll_'+this._idx,JSON.stringify({x:self.pageXOffset,y:self.pageYOffset}));}catch(_unused){}// Restore old scroll position:
try{const v=sessionStorage.getItem('__next_scroll_'+idx);forcedScroll=JSON.parse(v);}catch(_unused2){forcedScroll={x:0,y:0};}}}}this._idx=idx;const{pathname}=(0,_parseRelativeUrl.parseRelativeUrl)(url);// Make sure we don't re-render on initial load,
// can be caused by navigating back from an external site
if(this.isSsr&&as===this.asPath&&pathname===this.pathname){return;}// If the downstream application returns falsy, return.
// They will then be responsible for handling the event.
if(this._bps&&!this._bps(state)){return;}this.change('replaceState',url,as,Object.assign({},options,{shallow:options.shallow&&this._shallow,locale:options.locale||this.defaultLocale}),forcedScroll);};// represents the current component key
this.route=(0,_normalizeTrailingSlash.removePathTrailingSlash)(_pathname);// set up the component cache (by route keys)
this.components={};// We should not keep the cache, if there's an error
// Otherwise, this cause issues when when going back and
// come again to the errored page.
if(_pathname!=='/_error'){this.components[this.route]={Component,initial:true,props:initialProps,err,__N_SSG:initialProps&&initialProps.__N_SSG,__N_SSP:initialProps&&initialProps.__N_SSP};}this.components['/_app']={Component:App,styleSheets:[/* /_app does not need its stylesheets managed */]};// Backwards compat for Router.router.events
// TODO: Should be remove the following major version as it was never documented
this.events=Router.events;this.pageLoader=pageLoader;this.pathname=_pathname;this.query=_query;// if auto prerendered and dynamic route wait to update asPath
// until after mount to prevent hydration mismatch
const autoExportDynamic=(0,_isDynamic.isDynamicRoute)(_pathname)&&self.__NEXT_DATA__.autoExport;this.asPath=autoExportDynamic?_pathname:_as;this.basePath=basePath;this.sub=subscription;this.clc=null;this._wrapApp=wrapApp;// make sure to ignore extra popState in safari on navigating
// back from external site
this.isSsr=true;this.isFallback=isFallback;this.isReady=!!(self.__NEXT_DATA__.gssp||self.__NEXT_DATA__.gip||!autoExportDynamic&&!self.location.search&&!process.env.__NEXT_HAS_REWRITES);this.isPreview=!!isPreview;this.isLocaleDomain=false;if(process.env.__NEXT_I18N_SUPPORT){this.locale=locale;this.locales=locales;this.defaultLocale=defaultLocale;this.domainLocales=domainLocales;this.isLocaleDomain=!!detectDomainLocale(domainLocales,self.location.hostname);}if(typeof window!=='undefined'){// make sure "as" doesn't start with double slashes or else it can
// throw an error as it's considered invalid
if(_as.substr(0,2)!=='//'){// in order for `e.state` to work on the `onpopstate` event
// we have to register the initial route upon initialization
const options={locale};options._shouldResolveHref=_as!==_pathname;this.changeState('replaceState',(0,_utils.formatWithValidation)({pathname:addBasePath(_pathname),query:_query}),(0,_utils.getURL)(),options);}window.addEventListener('popstate',this.onPopState);// enable custom scroll restoration handling when available
// otherwise fallback to browser's default handling
if(process.env.__NEXT_SCROLL_RESTORATION){if(manualScrollRestoration){window.history.scrollRestoration='manual';}}}}reload(){window.location.reload();}/**
   * Go back in history
   */back(){window.history.back();}/**
   * Performs a `pushState` with arguments
   * @param url of the route
   * @param as masks `url` for the browser
   * @param options object you can define `shallow` and other options
   */push(url,as,options={}){if(process.env.__NEXT_SCROLL_RESTORATION){// TODO: remove in the future when we update history before route change
// is complete, as the popstate event should handle this capture.
if(manualScrollRestoration){try{// Snapshot scroll position right before navigating to a new page:
sessionStorage.setItem('__next_scroll_'+this._idx,JSON.stringify({x:self.pageXOffset,y:self.pageYOffset}));}catch(_unused3){}}};({url,as}=prepareUrlAs(this,url,as));return this.change('pushState',url,as,options);}/**
   * Performs a `replaceState` with arguments
   * @param url of the route
   * @param as masks `url` for the browser
   * @param options object you can define `shallow` and other options
   */replace(url,as,options={}){;({url,as}=prepareUrlAs(this,url,as));return this.change('replaceState',url,as,options);}async change(method,url,as,options,forcedScroll){if(!isLocalURL(url)){window.location.href=url;return false;}const shouldResolveHref=url===as||options._h||options._shouldResolveHref;// for static pages with query params in the URL we delay
// marking the router ready until after the query is updated
if(options._h){this.isReady=true;}let localeChange=options.locale!==this.locale;if(process.env.__NEXT_I18N_SUPPORT){this.locale=options.locale===false?this.defaultLocale:options.locale||this.locale;if(typeof options.locale==='undefined'){options.locale=this.locale;}const parsedAs=(0,_parseRelativeUrl.parseRelativeUrl)(hasBasePath(as)?delBasePath(as):as);const localePathResult=(0,_normalizeLocalePath.normalizeLocalePath)(parsedAs.pathname,this.locales);if(localePathResult.detectedLocale){this.locale=localePathResult.detectedLocale;parsedAs.pathname=addBasePath(parsedAs.pathname);as=(0,_utils.formatWithValidation)(parsedAs);url=addBasePath((0,_normalizeLocalePath.normalizeLocalePath)(hasBasePath(url)?delBasePath(url):url,this.locales).pathname);}let didNavigate=false;// we need to wrap this in the env check again since regenerator runtime
// moves this on its own due to the return
if(process.env.__NEXT_I18N_SUPPORT){var _this$locales;// if the locale isn't configured hard navigate to show 404 page
if(!((_this$locales=this.locales)!=null&&_this$locales.includes(this.locale))){parsedAs.pathname=addLocale(parsedAs.pathname,this.locale);window.location.href=(0,_utils.formatWithValidation)(parsedAs);// this was previously a return but was removed in favor
// of better dead code elimination with regenerator runtime
didNavigate=true;}}const detectedDomain=detectDomainLocale(this.domainLocales,undefined,this.locale);// we need to wrap this in the env check again since regenerator runtime
// moves this on its own due to the return
if(process.env.__NEXT_I18N_SUPPORT){// if we are navigating to a domain locale ensure we redirect to the
// correct domain
if(!didNavigate&&detectedDomain&&this.isLocaleDomain&&self.location.hostname!==detectedDomain.domain){const asNoBasePath=delBasePath(as);window.location.href=`http${detectedDomain.http?'':'s'}://${detectedDomain.domain}${addBasePath(`${this.locale===detectedDomain.defaultLocale?'':`/${this.locale}`}${asNoBasePath==='/'?'':asNoBasePath}`||'/')}`;// this was previously a return but was removed in favor
// of better dead code elimination with regenerator runtime
didNavigate=true;}}if(didNavigate){return new Promise(()=>{});}}if(!options._h){this.isSsr=false;}// marking route changes as a navigation start entry
if(_utils.ST){performance.mark('routeChange');}const{shallow=false}=options;const routeProps={shallow};if(this._inFlightRoute){this.abortComponentLoad(this._inFlightRoute,routeProps);}as=addBasePath(addLocale(hasBasePath(as)?delBasePath(as):as,options.locale,this.defaultLocale));const cleanedAs=delLocale(hasBasePath(as)?delBasePath(as):as,this.locale);this._inFlightRoute=as;// If the url change is only related to a hash change
// We should not proceed. We should only change the state.
// WARNING: `_h` is an internal option for handing Next.js client-side
// hydration. Your app should _never_ use this property. It may change at
// any time without notice.
if(!options._h&&this.onlyAHashChange(cleanedAs)){this.asPath=cleanedAs;Router.events.emit('hashChangeStart',as,routeProps);// TODO: do we need the resolved href when only a hash change?
this.changeState(method,url,as,options);this.scrollToHash(cleanedAs);this.notify(this.components[this.route],null);Router.events.emit('hashChangeComplete',as,routeProps);return true;}let parsed=(0,_parseRelativeUrl.parseRelativeUrl)(url);let{pathname,query}=parsed;// The build manifest needs to be loaded before auto-static dynamic pages
// get their query parameters to allow ensuring they can be parsed properly
// when rewritten to
let pages,rewrites;try{pages=await this.pageLoader.getPageList();({__rewrites:rewrites}=await(0,_routeLoader.getClientBuildManifest)());}catch(err){// If we fail to resolve the page list or client-build manifest, we must
// do a server-side transition:
window.location.href=as;return false;}// If asked to change the current URL we should reload the current page
// (not location.reload() but reload getInitialProps and other Next.js stuffs)
// We also need to set the method = replaceState always
// as this should not go into the history (That's how browsers work)
// We should compare the new asPath to the current asPath, not the url
if(!this.urlIsNew(cleanedAs)&&!localeChange){method='replaceState';}// we need to resolve the as value using rewrites for dynamic SSG
// pages to allow building the data URL correctly
let resolvedAs=as;// url and as should always be prefixed with basePath by this
// point by either next/link or router.push/replace so strip the
// basePath from the pathname to match the pages dir 1-to-1
pathname=pathname?(0,_normalizeTrailingSlash.removePathTrailingSlash)(delBasePath(pathname)):pathname;if(shouldResolveHref&&pathname!=='/_error'){;options._shouldResolveHref=true;if(process.env.__NEXT_HAS_REWRITES&&as.startsWith('/')){const rewritesResult=(0,_resolveRewrites.default)(addBasePath(addLocale(cleanedAs,this.locale)),pages,rewrites,query,p=>resolveDynamicRoute(p,pages),this.locales);resolvedAs=rewritesResult.asPath;if(rewritesResult.matchedPage&&rewritesResult.resolvedHref){// if this directly matches a page we need to update the href to
// allow the correct page chunk to be loaded
pathname=rewritesResult.resolvedHref;parsed.pathname=addBasePath(pathname);url=(0,_utils.formatWithValidation)(parsed);}}else{parsed.pathname=resolveDynamicRoute(pathname,pages);if(parsed.pathname!==pathname){pathname=parsed.pathname;parsed.pathname=addBasePath(pathname);url=(0,_utils.formatWithValidation)(parsed);}}}const route=(0,_normalizeTrailingSlash.removePathTrailingSlash)(pathname);if(!isLocalURL(as)){if(process.env.NODE_ENV!=='production'){throw new Error(`Invalid href: "${url}" and as: "${as}", received relative href and external as`+`\nSee more info: https://nextjs.org/docs/messages/invalid-relative-url-external-as`);}window.location.href=as;return false;}resolvedAs=delLocale(delBasePath(resolvedAs),this.locale);if((0,_isDynamic.isDynamicRoute)(route)){const parsedAs=(0,_parseRelativeUrl.parseRelativeUrl)(resolvedAs);const asPathname=parsedAs.pathname;const routeRegex=(0,_routeRegex.getRouteRegex)(route);const routeMatch=(0,_routeMatcher.getRouteMatcher)(routeRegex)(asPathname);const shouldInterpolate=route===asPathname;const interpolatedAs=shouldInterpolate?interpolateAs(route,asPathname,query):{};if(!routeMatch||shouldInterpolate&&!interpolatedAs.result){const missingParams=Object.keys(routeRegex.groups).filter(param=>!query[param]);if(missingParams.length>0){if(process.env.NODE_ENV!=='production'){console.warn(`${shouldInterpolate?`Interpolating href`:`Mismatching \`as\` and \`href\``} failed to manually provide `+`the params: ${missingParams.join(', ')} in the \`href\`'s \`query\``);}throw new Error((shouldInterpolate?`The provided \`href\` (${url}) value is missing query values (${missingParams.join(', ')}) to be interpolated properly. `:`The provided \`as\` value (${asPathname}) is incompatible with the \`href\` value (${route}). `)+`Read more: https://nextjs.org/docs/messages/${shouldInterpolate?'href-interpolation-failed':'incompatible-href-as'}`);}}else if(shouldInterpolate){as=(0,_utils.formatWithValidation)(Object.assign({},parsedAs,{pathname:interpolatedAs.result,query:omitParmsFromQuery(query,interpolatedAs.params)}));}else{// Merge params into `query`, overwriting any specified in search
Object.assign(query,routeMatch);}}Router.events.emit('routeChangeStart',as,routeProps);try{var _self$__NEXT_DATA__$p,_self$__NEXT_DATA__$p2,_options$scroll;let routeInfo=await this.getRouteInfo(route,pathname,query,as,resolvedAs,routeProps);let{error,props,__N_SSG,__N_SSP}=routeInfo;// handle redirect on client-transition
if((__N_SSG||__N_SSP)&&props){if(props.pageProps&&props.pageProps.__N_REDIRECT){const destination=props.pageProps.__N_REDIRECT;// check if destination is internal (resolves to a page) and attempt
// client-navigation if it is falling back to hard navigation if
// it's not
if(destination.startsWith('/')){const parsedHref=(0,_parseRelativeUrl.parseRelativeUrl)(destination);parsedHref.pathname=resolveDynamicRoute(parsedHref.pathname,pages);const{url:newUrl,as:newAs}=prepareUrlAs(this,destination,destination);return this.change(method,newUrl,newAs,options);}window.location.href=destination;return new Promise(()=>{});}this.isPreview=!!props.__N_PREVIEW;// handle SSG data 404
if(props.notFound===SSG_DATA_NOT_FOUND){let notFoundRoute;try{await this.fetchComponent('/404');notFoundRoute='/404';}catch(_){notFoundRoute='/_error';}routeInfo=await this.getRouteInfo(notFoundRoute,notFoundRoute,query,as,resolvedAs,{shallow:false});}}Router.events.emit('beforeHistoryChange',as,routeProps);this.changeState(method,url,as,options);if(process.env.NODE_ENV!=='production'){const appComp=this.components['/_app'].Component;window.next.isPrerendered=appComp.getInitialProps===appComp.origGetInitialProps&&!routeInfo.Component.getInitialProps;}if(options._h&&pathname==='/_error'&&((_self$__NEXT_DATA__$p=self.__NEXT_DATA__.props)==null?void 0:(_self$__NEXT_DATA__$p2=_self$__NEXT_DATA__$p.pageProps)==null?void 0:_self$__NEXT_DATA__$p2.statusCode)===500&&props!=null&&props.pageProps){// ensure statusCode is still correct for static 500 page
// when updating query information
props.pageProps.statusCode=500;}// shallow routing is only allowed for same page URL changes.
const isValidShallowRoute=options.shallow&&this.route===route;const shouldScroll=(_options$scroll=options.scroll)!=null?_options$scroll:!isValidShallowRoute;const resetScroll=shouldScroll?{x:0,y:0}:null;await this.set(route,pathname,query,cleanedAs,routeInfo,forcedScroll!=null?forcedScroll:resetScroll).catch(e=>{if(e.cancelled)error=error||e;else throw e;});if(error){Router.events.emit('routeChangeError',error,cleanedAs,routeProps);throw error;}if(process.env.__NEXT_I18N_SUPPORT){if(this.locale){document.documentElement.lang=this.locale;}}Router.events.emit('routeChangeComplete',as,routeProps);return true;}catch(err){if(err.cancelled){return false;}throw err;}}changeState(method,url,as,options={}){if(process.env.NODE_ENV!=='production'){if(typeof window.history==='undefined'){console.error(`Warning: window.history is not available.`);return;}if(typeof window.history[method]==='undefined'){console.error(`Warning: window.history.${method} is not available`);return;}}if(method!=='pushState'||(0,_utils.getURL)()!==as){this._shallow=options.shallow;window.history[method]({url,as,options,__N:true,idx:this._idx=method!=='pushState'?this._idx:this._idx+1},// Most browsers currently ignores this parameter, although they may use it in the future.
// Passing the empty string here should be safe against future changes to the method.
// https://developer.mozilla.org/en-US/docs/Web/API/History/replaceState
'',as);}}async handleRouteInfoError(err,pathname,query,as,routeProps,loadErrorFail){if(err.cancelled){// bubble up cancellation errors
throw err;}if((0,_routeLoader.isAssetError)(err)||loadErrorFail){Router.events.emit('routeChangeError',err,as,routeProps);// If we can't load the page it could be one of following reasons
//  1. Page doesn't exists
//  2. Page does exist in a different zone
//  3. Internal error while loading the page
// So, doing a hard reload is the proper way to deal with this.
window.location.href=as;// Changing the URL doesn't block executing the current code path.
// So let's throw a cancellation error stop the routing logic.
throw buildCancellationError();}try{let Component;let styleSheets;let props;if(typeof Component==='undefined'||typeof styleSheets==='undefined'){;({page:Component,styleSheets}=await this.fetchComponent('/_error'));}const routeInfo={props,Component,styleSheets,err,error:err};if(!routeInfo.props){try{routeInfo.props=await this.getInitialProps(Component,{err,pathname,query});}catch(gipErr){console.error('Error in error page `getInitialProps`: ',gipErr);routeInfo.props={};}}return routeInfo;}catch(routeInfoErr){return this.handleRouteInfoError(routeInfoErr,pathname,query,as,routeProps,true);}}async getRouteInfo(route,pathname,query,as,resolvedAs,routeProps){try{const existingRouteInfo=this.components[route];if(routeProps.shallow&&existingRouteInfo&&this.route===route){return existingRouteInfo;}const cachedRouteInfo=existingRouteInfo&&'initial'in existingRouteInfo?undefined:existingRouteInfo;const routeInfo=cachedRouteInfo?cachedRouteInfo:await this.fetchComponent(route).then(res=>({Component:res.page,styleSheets:res.styleSheets,__N_SSG:res.mod.__N_SSG,__N_SSP:res.mod.__N_SSP}));const{Component,__N_SSG,__N_SSP}=routeInfo;if(process.env.NODE_ENV!=='production'){const{isValidElementType}=require('react-is');if(!isValidElementType(Component)){throw new Error(`The default export is not a React Component in page: "${pathname}"`);}}let dataHref;if(__N_SSG||__N_SSP){dataHref=this.pageLoader.getDataHref((0,_utils.formatWithValidation)({pathname,query}),resolvedAs,__N_SSG,this.locale);}const props=await this._getData(()=>__N_SSG?this._getStaticData(dataHref):__N_SSP?this._getServerData(dataHref):this.getInitialProps(Component,// we provide AppTree later so this needs to be `any`
{pathname,query,asPath:as,locale:this.locale,locales:this.locales,defaultLocale:this.defaultLocale}));routeInfo.props=props;this.components[route]=routeInfo;return routeInfo;}catch(err){return this.handleRouteInfoError(err,pathname,query,as,routeProps);}}set(route,pathname,query,as,data,resetScroll){this.isFallback=false;this.route=route;this.pathname=pathname;this.query=query;this.asPath=as;return this.notify(data,resetScroll);}/**
   * Callback to execute before replacing router state
   * @param cb callback to be executed
   */beforePopState(cb){this._bps=cb;}onlyAHashChange(as){if(!this.asPath)return false;const[oldUrlNoHash,oldHash]=this.asPath.split('#');const[newUrlNoHash,newHash]=as.split('#');// Makes sure we scroll to the provided hash if the url/hash are the same
if(newHash&&oldUrlNoHash===newUrlNoHash&&oldHash===newHash){return true;}// If the urls are change, there's more than a hash change
if(oldUrlNoHash!==newUrlNoHash){return false;}// If the hash has changed, then it's a hash only change.
// This check is necessary to handle both the enter and
// leave hash === '' cases. The identity case falls through
// and is treated as a next reload.
return oldHash!==newHash;}scrollToHash(as){const[,hash]=as.split('#');// Scroll to top if the hash is just `#` with no value or `#top`
// To mirror browsers
if(hash===''||hash==='top'){window.scrollTo(0,0);return;}// First we check if the element by id is found
const idEl=document.getElementById(hash);if(idEl){idEl.scrollIntoView();return;}// If there's no element with the id, we check the `name` property
// To mirror browsers
const nameEl=document.getElementsByName(hash)[0];if(nameEl){nameEl.scrollIntoView();}}urlIsNew(asPath){return this.asPath!==asPath;}/**
   * Prefetch page code, you may wait for the data during page rendering.
   * This feature only works in production!
   * @param url the href of prefetched page
   * @param asPath the as path of the prefetched page
   */async prefetch(url,asPath=url,options={}){let parsed=(0,_parseRelativeUrl.parseRelativeUrl)(url);let{pathname}=parsed;if(process.env.__NEXT_I18N_SUPPORT){if(options.locale===false){pathname=(0,_normalizeLocalePath.normalizeLocalePath)(pathname,this.locales).pathname;parsed.pathname=pathname;url=(0,_utils.formatWithValidation)(parsed);let parsedAs=(0,_parseRelativeUrl.parseRelativeUrl)(asPath);const localePathResult=(0,_normalizeLocalePath.normalizeLocalePath)(parsedAs.pathname,this.locales);parsedAs.pathname=localePathResult.pathname;options.locale=localePathResult.detectedLocale||this.defaultLocale;asPath=(0,_utils.formatWithValidation)(parsedAs);}}const pages=await this.pageLoader.getPageList();let resolvedAs=asPath;if(process.env.__NEXT_HAS_REWRITES&&asPath.startsWith('/')){let rewrites;({__rewrites:rewrites}=await(0,_routeLoader.getClientBuildManifest)());const rewritesResult=(0,_resolveRewrites.default)(addBasePath(addLocale(asPath,this.locale)),pages,rewrites,parsed.query,p=>resolveDynamicRoute(p,pages),this.locales);resolvedAs=delLocale(delBasePath(rewritesResult.asPath),this.locale);if(rewritesResult.matchedPage&&rewritesResult.resolvedHref){// if this directly matches a page we need to update the href to
// allow the correct page chunk to be loaded
pathname=rewritesResult.resolvedHref;parsed.pathname=pathname;url=(0,_utils.formatWithValidation)(parsed);}}else{parsed.pathname=resolveDynamicRoute(parsed.pathname,pages);if(parsed.pathname!==pathname){pathname=parsed.pathname;parsed.pathname=pathname;url=(0,_utils.formatWithValidation)(parsed);}}const route=(0,_normalizeTrailingSlash.removePathTrailingSlash)(pathname);// Prefetch is not supported in development mode because it would trigger on-demand-entries
if(process.env.NODE_ENV!=='production'){return;}await Promise.all([this.pageLoader._isSsg(route).then(isSsg=>{return isSsg?this._getStaticData(this.pageLoader.getDataHref(url,resolvedAs,true,typeof options.locale!=='undefined'?options.locale:this.locale)):false;}),this.pageLoader[options.priority?'loadPage':'prefetch'](route)]);}async fetchComponent(route){let cancelled=false;const cancel=this.clc=()=>{cancelled=true;};const componentResult=await this.pageLoader.loadPage(route);if(cancelled){const error=new Error(`Abort fetching component for route: "${route}"`);error.cancelled=true;throw error;}if(cancel===this.clc){this.clc=null;}return componentResult;}_getData(fn){let cancelled=false;const cancel=()=>{cancelled=true;};this.clc=cancel;return fn().then(data=>{if(cancel===this.clc){this.clc=null;}if(cancelled){const err=new Error('Loading initial props cancelled');err.cancelled=true;throw err;}return data;});}_getStaticData(dataHref){const{href:cacheKey}=new URL(dataHref,window.location.href);if(process.env.NODE_ENV==='production'&&!this.isPreview&&this.sdc[cacheKey]){return Promise.resolve(this.sdc[cacheKey]);}return fetchNextData(dataHref,this.isSsr).then(data=>{this.sdc[cacheKey]=data;return data;});}_getServerData(dataHref){const{href:resourceKey}=new URL(dataHref,window.location.href);if(this.sdr[resourceKey]){return this.sdr[resourceKey];}return this.sdr[resourceKey]=fetchNextData(dataHref,this.isSsr).then(data=>{delete this.sdr[resourceKey];return data;}).catch(err=>{delete this.sdr[resourceKey];throw err;});}getInitialProps(Component,ctx){const{Component:App}=this.components['/_app'];const AppTree=this._wrapApp(App);ctx.AppTree=AppTree;return(0,_utils.loadGetInitialProps)(App,{AppTree,Component,router:this,ctx});}abortComponentLoad(as,routeProps){if(this.clc){Router.events.emit('routeChangeError',buildCancellationError(),as,routeProps);this.clc();this.clc=null;}}notify(data,resetScroll){return this.sub(data,this.components['/_app'].Component,resetScroll);}}exports.default=Router;Router.events=(0,_mitt.default)();
//# sourceMappingURL=router.js.map