/*!
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  * (c) 2020 Evan You
  * @license MIT
  */
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r=this.current,o=t=>{!Rt(t)&&xt(t)&&(this.errorCbs.length?this.errorCbs.forEach(e=>{e(t)}):console.error(t)),n&&n(t)},i=t.matched.length-1,s=r.matched.length-1;if(g(t,r)&&i===s&&t.matched[i]===r.matched[s])return this.ensureURL(),o(function(t,e){const n=vt(t,e,mt.duplicated,`Avoided redundant navigation to current location: "${t.fullPath}".`);return n.name="NavigationDuplicated",n}(r,t));const{updated:a,deactivated:c,activated:u}=function(t,e){let n;const r=Math.max(t.length,e.length);for(n=0;n<r&&t[n]===e[n];n++);return{updated:e.slice(0,n),activated:e.slice(n),deactivated:t.slice(n)}}(this.current.matched,t.matched),h=[].concat(function(t){return St(t,"beforeRouteLeave",jt,!0)}(c),this.router.beforeHooks,function(t){return St(t,"beforeRouteUpdate",jt)}(a),u.map(t=>t.beforeEnter),kt(u));this.pending=t;const l=(e,n)=>{if(this.pending!==t)return o(wt(r,t));try{e(t,r,e=>{!1===e?(this.ensureURL(!0),o(function(t,e){return vt(t,e,mt.aborted,`Navigation aborted from "${t.fullPath}" to "${e.fullPath}" via a navigation guard.`)}(r,t))):xt(e)?(this.ensureURL(!0),o(e)):"string"==typeof e||"object"==typeof e&&("string"==typeof e.path||"string"==typeof e.name)?(o(gt(r,t)),"object"==typeof e&&e.replace?this.replace(e):this.push(e)):n(e)})}catch(t){o(t)}};yt(h,l,()=>{const n=[];yt(function(t,e,n){return St(t,"beforeRouteEnter",(t,r,o,i)=>(function(t,e,n,r,o){return function(i,s,a){return t(i,s,t=>{"function"==typeof t&&r.push(()=>{!function t(e,n,r,o){n[r]&&!n[r]._isBeingDestroyed?e(n[r]):o()&&setTimeout(()=>{t(e,n,r,o)},16)}(t,e.instances,n,o)}),a(t)})}})(t,o,i,e,n))}(u,n,()=>this.current===t).concat(this.router.resolveHooks),l,()=>{if(this.pending!==t)return o(wt(r,t));this.pending=null,e(t),this.router.app&&this.router.app.$nextTick(()=>{n.forEach(t=>{t()})})})})}updateRoute(t){this.current=t,this.cb&&this.cb(t)}setupListeners(){}teardownListeners(){this.listeners.forEach(t=>{t()}),this.listeners=[]}}function St(t,e,n,r){const o=Et(t,(t,r,o,i)=>{const s=function(t,e){"function"!=typeof t&&(t=D.extend(t));return t.options[e]}(t,e);if(s)return Array.isArray(s)?s.map(t=>n(t,r,o,i)):n(s,r,o,i)});return $t(r?o.reverse():o)}function jt(t,e){if(e)return function(){return t.apply(e,arguments)}}class Lt extends Ot{constructor(t,e){super(t,e),this._startLocation=Tt(this.base)}setupListeners(){if(this.listeners.length>0)return;const t=this.router,e=t.options.scrollBehavior,n=pt&&e;n&&this.listeners.push(rt());const r=()=>{const e=this.current,r=Tt(this.base);this.current===d&&r===this._startLocation||this.transitionTo(r,r=>{n&&ot(t,r,e,!0)})};window.addEventListener("popstate",r),this.listeners.push(()=>{window.removeEventListener("popstate",r)})}go(t){window.history.go(t)}push(t,e,n){const{current:r}=this;this.transitionTo(t,t=>{ft(b(this.base+t.fullPath)),ot(this.router,t,r,!1),e&&e(t)},n)}replace(t,e,n){const{current:r}=this;this.transitionTo(t,t=>{dt(b(this.base+t.fullPath)),ot(this.router,t,r,!1),e&&e(t)},n)}ensureURL(t){if(Tt(this.base)!==this.current.fullPath){const e=b(this.base+this.current.fullPath);t?ft(e):dt(e)}}getCurrentLocation(){return Tt(this.base)}}function Tt(t){let e=decodeURI(window.location.pathname);return t&&0===e.toLowerCase().indexOf(t.toLowerCase())&&(e=e.slice(t.length)),(e||"/")+window.location.search+window.location.hash}class Pt extends Ot{constructor(t,e,n){super(t,e),n&&function(t){const e=Tt(t);if(!/^\/#/.test(e))return window.location.replace(b(t+"/#"+e)),!0}(this.base)||_t()}setupListeners(){if(this.listeners.length>0)return;const t=this.router.options.scrollBehavior,e=pt&&t;e&&this.listeners.push(rt());const n=()=>{const t=this.current;_t()&&this.transitionTo(qt(),n=>{e&&ot(this.router,n,t,!0),pt||Mt(n.fullPath)})},r=pt?"popstate":"hashchange";window.addEventListener(r,n),this.listeners.push(()=>{window.removeEventListener(r,n)})}push(t,e,n){const{current:r}=this;this.transitionTo(t,t=>{It(t.fullPath),ot(this.router,t,r,!1),e&&e(t)},n)}replace(t,e,n){const{current:r}=this;this.transitionTo(t,t=>{Mt(t.fullPath),ot(this.router,t,r,!1),e&&e(t)},n)}go(t){window.history.go(t)}ensureURL(t){const e=this.current.fullPath;qt()!==e&&(t?It(e):Mt(e))}getCurrentLocation(){return qt()}}function _t(){const t=qt();return"/"===t.charAt(0)||(Mt("/"+t),!1)}function qt(){let t=window.location.href;const e=t.indexOf("#");if(e<0)return"";const n=(t=t.slice(e+1)).indexOf("?");if(n<0){const e=t.indexOf("#");t=e>-1?decodeURI(t.slice(0,e))+t.slice(e):decodeURI(t)}else t=decodeURI(t.slice(0,n))+t.slice(n);return t}function Ut(t){const e=window.location.href,n=e.indexOf("#");return`${n>=0?e.slice(0,n):e}#${t}`}function It(t){pt?ft(Ut(t)):window.location.hash=t}function Mt(t){pt?dt(Ut(t)):window.location.replace(Ut(t))}class Vt extends Ot{constructor(t,e){super(t,e),this.stack=[],this.index=-1}push(t,e,n){this.transitionTo(t,t=>{this.stack=this.stack.slice(0,this.index+1).concat(t),this.index++,e&&e(t)},n)}replace(t,e,n){this.transitionTo(t,t=>{this.stack=this.stack.slice(0,this.index).concat(t),e&&e(t)},n)}go(t){const e=this.index+t;if(e<0||e>=this.stack.length)return;const n=this.stack[e];this.confirmTransition(n,()=>{this.index=e,this.updateRoute(n)},t=>{Rt(t,mt.duplicated)&&(this.index=e)})}getCurrentLocation(){const t=this.stack[this.stack.length-1];return t?t.fullPath:"/"}ensureURL(){}}class Bt{constructor(t={}){this.app=null,this.apps=[],this.options=t,this.beforeHooks=[],this.resolveHooks=[],this.afterHooks=[],this.matcher=X(t.routes||[],this);let e=t.mode||"hash";switch(this.fallback="history"===e&&!pt&&!1!==t.fallback,this.fallback&&(e="hash"),K||(e="abstract"),this.mode=e,e){case"history":this.history=new Lt(this,t.base);break;case"hash":this.history=new Pt(this,t.base,this.fallback);break;case"abstract":this.history=new Vt(this,t.base)}}match(t,e,n){return this.matcher.match(t,e,n)}get currentRoute(){return this.history&&this.history.current}init(t){if(this.apps.push(t),t.$once("hook:destroyed",()=>{const e=this.apps.indexOf(t);e>-1&&this.apps.splice(e,1),this.app===t&&(this.app=this.apps[0]||null),this.app||this.history.teardownListeners()}),this.app)return;this.app=t;const e=this.history;if(e instanceof Lt||e instanceof Pt){const t=t=>{const n=e.current,r=this.options.scrollBehavior;pt&&r&&"fullPath"in t&&ot(this,t,n,!1)},n=n=>{e.setupListeners(),t(n)};e.transitionTo(e.getCurrentLocation(),n,n)}e.listen(t=>{this.apps.forEach(e=>{e._route=t})})}beforeEach(t){return Ft(this.beforeHooks,t)}beforeResolve(t){return Ft(this.resolveHooks,t)}afterEach(t){return Ft(this.afterHooks,t)}onReady(t,e){this.history.onReady(t,e)}onError(t){this.history.onError(t)}push(t,e,n){if(!e&&!n&&"undefined"!=typeof Promise)return new Promise((e,n)=>{this.history.push(t,e,n)});this.history.push(t,e,n)}replace(t,e,n){if(!e&&!n&&"undefined"!=typeof Promise)return new Promise((e,n)=>{this.history.replace(t,e,n)});this.history.replace(t,e,n)}go(t){this.history.go(t)}back(){this.go(-1)}forward(){this.go(1)}getMatchedComponents(t){const e=t?t.matched?t:this.resolve(t).route:this.currentRoute;return e?[].concat.apply([],e.matched.map(t=>Object.keys(t.components).map(e=>t.components[e]))):[]}resolve(t,e,n){const r=V(t,e=e||this.history.current,n,this),o=this.match(r,e),i=o.redirectedFrom||o.fullPath;return{location:r,route:o,href:function(t,e,n){var r="hash"===n?"#"+e:e;return t?b(t+"/"+r):r}(this.history.base,i,this.mode),normalizedTo:r,resolved:o}}addRoutes(t){this.matcher.addRoutes(t),this.history.current!==d&&this.history.transitionTo(this.history.getCurrentLocation())}}function Ft(t,e){return t.push(e),()=>{const n=t.indexOf(e);n>-1&&t.splice(n,1)}}Bt.install=function t(n){if(t.installed&&D===n)return;t.installed=!0,D=n;const r=t=>void 0!==t,o=(t,e)=>{let n=t.$options._parentVnode;r(n)&&r(n=n.data)&&r(n=n.registerRouteInstance)&&n(t,e)};n.mixin({beforeCreate(){r(this.$options.router)?(this._routerRoot=this,this._router=this.$options.router,this._router.init(this),n.util.defineReactive(this,"_route",this._router.history.current)):this._routerRoot=this.$parent&&this.$parent._routerRoot||this,o(this,this)},destroyed(){o(this)}}),Object.defineProperty(n.prototype,"$router",{get(){return this._routerRoot._router}}),Object.defineProperty(n.prototype,"$route",{get(){return this._routerRoot._route}}),n.component("RouterView",e),n.component("RouterLink",N);const i=n.config.optionMergeStrategies;i.beforeRouteEnter=i.beforeRouteLeave=i.beforeRouteUpdate=i.created},Bt.version="3.4.3",Bt.isNavigationFailure=Rt,Bt.NavigationFailureType=mt,K&&window.Vue&&window.Vue.use(Bt);export default Bt;