/*!
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  * (c) 2019 Evan You
  * @license MIT
  */
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n=this.current,i=vt(this.base);this.current===f&&i===o||this.transitionTo(i,e=>{r&&W(t,e,n,!0)})})}go(t){window.history.go(t)}push(t,e,n){const{current:r}=this;this.transitionTo(t,t=>{ct(O(this.base+t.fullPath)),W(this.router,t,r,!1),e&&e(t)},n)}replace(t,e,n){const{current:r}=this;this.transitionTo(t,t=>{ut(O(this.base+t.fullPath)),W(this.router,t,r,!1),e&&e(t)},n)}ensureURL(t){if(vt(this.base)!==this.current.fullPath){const e=O(this.base+this.current.fullPath);t?ct(e):ut(e)}}getCurrentLocation(){return vt(this.base)}}function vt(t){let e=decodeURI(window.location.pathname);return t&&0===e.indexOf(t)&&(e=e.slice(t.length)),(e||"/")+window.location.search+window.location.hash}class xt extends mt{constructor(t,e,n){super(t,e),n&&function(t){const e=vt(t);if(!/^\/#/.test(e))return window.location.replace(O(t+"/#"+e)),!0}(this.base)||kt()}setupListeners(){const t=this.router.options.scrollBehavior,e=rt&&t;e&&Y(),window.addEventListener(rt?"popstate":"hashchange",()=>{const t=this.current;kt()&&this.transitionTo(Rt(),n=>{e&&W(this.router,n,t,!0),rt||At(n.fullPath)})})}push(t,e,n){const{current:r}=this;this.transitionTo(t,t=>{Ot(t.fullPath),W(this.router,t,r,!1),e&&e(t)},n)}replace(t,e,n){const{current:r}=this;this.transitionTo(t,t=>{At(t.fullPath),W(this.router,t,r,!1),e&&e(t)},n)}go(t){window.history.go(t)}ensureURL(t){const e=this.current.fullPath;Rt()!==e&&(t?Ot(e):At(e))}getCurrentLocation(){return Rt()}}function kt(){const t=Rt();return"/"===t.charAt(0)||(At("/"+t),!1)}function Rt(){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 n>-1&&(t=decodeURI(t.slice(0,n))+t.slice(n));return t}function Et(t){const e=window.location.href,n=e.indexOf("#");return`${n>=0?e.slice(0,n):e}#${t}`}function Ot(t){rt?ct(Et(t)):window.location.hash=t}function At(t){rt?ut(Et(t)):window.location.replace(Et(t))}class Ct extends mt{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)})}getCurrentLocation(){const t=this.stack[this.stack.length-1];return t?t.fullPath:"/"}ensureURL(){}}class $t{constructor(t={}){this.app=null,this.apps=[],this.options=t,this.beforeHooks=[],this.resolveHooks=[],this.afterHooks=[],this.matcher=N(t.routes||[],this);let e=t.mode||"hash";switch(this.fallback="history"===e&&!rt&&!1!==t.fallback,this.fallback&&(e="hash"),R||(e="abstract"),this.mode=e,e){case"history":this.history=new wt(this,t.base);break;case"hash":this.history=new xt(this,t.base,this.fallback);break;case"abstract":this.history=new Ct(this,t.base)}}match(t,e,n){return this.matcher.match(t,e,n)}get currentRoute(){return this.history&&this.history.current}init(t){if(this.apps.push(t),t.$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)return;this.app=t;const e=this.history;if(e instanceof wt)e.transitionTo(e.getCurrentLocation());else if(e instanceof xt){const t=()=>{e.setupListeners()};e.transitionTo(e.getCurrentLocation(),t,t)}e.listen(t=>{this.apps.forEach(e=>{e._route=t})})}beforeEach(t){return jt(this.beforeHooks,t)}beforeResolve(t){return jt(this.resolveHooks,t)}afterEach(t){return jt(this.afterHooks,t)}onReady(t,e){this.history.onReady(t,e)}onError(t){this.history.onError(t)}push(t,e,n){this.history.push(t,e,n)}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=J(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?O(t+"/"+r):r}(this.history.base,i,this.mode),normalizedTo:r,resolved:o}}addRoutes(t){this.matcher.addRoutes(t),this.history.current!==f&&this.history.transitionTo(this.history.getCurrentLocation())}}function jt(t,e){return t.push(e),()=>{const n=t.indexOf(e);n>-1&&t.splice(n,1)}}$t.install=function t(e){if(t.installed&&k===e)return;t.installed=!0,k=e;const r=t=>void 0!==t,o=(t,e)=>{let n=t.$options._parentVnode;r(n)&&r(n=n.data)&&r(n=n.registerRouteInstance)&&n(t,e)};e.mixin({beforeCreate(){r(this.$options.router)?(this._routerRoot=this,this._router=this.$options.router,this._router.init(this),e.util.defineReactive(this,"_route",this._router.history.current)):this._routerRoot=this.$parent&&this.$parent._routerRoot||this,o(this,this)},destroyed(){o(this)}}),Object.defineProperty(e.prototype,"$router",{get(){return this._routerRoot._router}}),Object.defineProperty(e.prototype,"$route",{get(){return this._routerRoot._route}}),e.component("RouterView",n),e.component("RouterLink",v);const i=e.config.optionMergeStrategies;i.beforeRouteEnter=i.beforeRouteLeave=i.beforeRouteUpdate=i.created},$t.version="3.0.6",R&&window.Vue&&window.Vue.use($t);export default $t;