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n=Mi(t,e),o=n.northEast,i=n.southWest,a=Pi({northEast:o,southWest:i},r);return ji(a,e)},xi=function(t,e){var r=(e.lat-t.lat)*Math.PI/180,n=(e.lng-t.lng)*Math.PI/180,o=Math.sin(r/2)*Math.sin(r/2)+Math.cos(t.lat*Math.PI/180)*Math.cos(e.lat*Math.PI/180)*Math.sin(n/2)*Math.sin(n/2);return 6371*(2*Math.atan2(Math.sqrt(o),Math.sqrt(1-o)))},Mi=function(t,e){return{northEast:e.fromLatLngToDivPixel(t.getNorthEast()),southWest:e.fromLatLngToDivPixel(t.getSouthWest())}},Pi=function(t,e){var r=t.northEast,n=t.southWest;return r.x+=e,r.y-=e,n.x-=e,n.y+=e,{northEast:r,southWest:n}},ji=function(t,e){var r=t.northEast,n=t.southWest,o=new google.maps.LatLngBounds;return o.extend(e.fromDivPixelToLatLng(r)),o.extend(e.fromDivPixelToLatLng(n)),o},Ei=function(){function t(r){var n=r.maxZoom,o=void 0===n?16:n;e(this,t),this.maxZoom=o}return n(t,[{key:"noop",value:function(t){var e=t.markers;return _i(e)}}]),t}(),Ci=function(t){o(i,t);var r=u(i);function i(t){var n;e(this,i);var o=t.viewportPadding,a=void 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this.state.zoom>this.maxZoom&&o.zoom>this.maxZoom||(i=!Ui(this.state,o)),this.state=o,r.getZoom()>=this.maxZoom?{clusters:this.noop({markers:e,map:r,mapCanvasProjection:n}),changed:i}:{clusters:this.cluster({markers:Si(r,n,e,this.viewportPadding),map:r,mapCanvasProjection:n})}}},{key:"cluster",value:function(t){var e=this,r=t.markers,n=t.map,o=t.mapCanvasProjection;return this.clusters=[],r.forEach((function(t){e.addToClosestCluster(t,n,o)})),this.clusters}},{key:"addToClosestCluster",value:function(t,e,r){for(var n=this.maxDistance,o=null,i=0;i<this.clusters.length;i++){var a=this.clusters[i],s=xi(a.bounds.getCenter().toJSON(),t.getPosition().toJSON());s<n&&(n=s,o=a)}if(o&&Oi(o.bounds,r,this.gridSize).contains(t.getPosition()))o.push(t);else{var u=new ki({markers:[t]});this.clusters.push(u)}}}]),i}(Ci),Hi=function(t){o(i,t);var r=u(i);function i(t){e(this,i);var n=oi(t,[]);return r.call(this,n)}return n(i,[{key:"calculate",value:function(t){var e=t.markers,r=t.map,n=t.mapCanvasProjection;return{clusters:this.cluster({markers:e,map:r,mapCanvasProjection:n}),changed:!1}}},{key:"cluster",value:function(t){return this.noop(t)}}]),i}(Ei),qi=En,Xi=Cn,$i=Object.keys||function(t){return qi(t,Xi)},Ji=y,Ki=A,Yi=S,Qi=v,ta=$i,ea=Tn,ra=O,na=Xt,oa=B,ia=Object.assign,aa=Object.defineProperty,sa=Ki([].concat),ua=!ia||Qi((function(){if(Ji&&1!==ia({b:1},ia(aa({},"a",{enumerable:!0,get:function(){aa(this,"b",{value:3,enumerable:!1})}}),{b:2})).b)return!0;var t={},e={},r=Symbol(),n="abcdefghijklmnopqrst";return t[r]=7,n.split("").forEach((function(t){e[t]=t})),7!=ia({},t)[r]||ta(ia({},e)).join("")!=n}))?function(t,e){for(var r=na(t),n=arguments.length,o=1,i=ea.f,a=ra.f;n>o;)for(var s,u=oa(arguments[o++]),c=i?sa(ta(u),i(u)):ta(u),f=c.length,l=0;f>l;)s=c[l++],Ji&&!Yi(a,u,s)||(r[s]=u[s]);return r}:ia,ca=ua;io({target:"Object",stat:!0,arity:2,forced:Object.assign!==ca},{assign:ca});var fa={};({get exports(){return fa},set exports(t){fa=t}}).exports=function(){function t(r,n,o,i,a,s){if(!(a-i<=o)){var u=i+a>>1;e(r,n,u,i,a,s%2),t(r,n,o,i,u-1,s+1),t(r,n,o,u+1,a,s+1)}}function e(t,n,o,i,a,s){for(;a>i;){if(a-i>600){var u=a-i+1,c=o-i+1,f=Math.log(u),l=.5*Math.exp(2*f/3),p=.5*Math.sqrt(f*l*(u-l)/u)*(c-u/2<0?-1:1);e(t,n,o,Math.max(i,Math.floor(o-c*l/u+p)),Math.min(a,Math.floor(o+(u-c)*l/u+p)),s)}var h=n[2*o+s],m=i,d=a;for(r(t,n,i,o),n[2*a+s]>h&&r(t,n,i,a);m<d;){for(r(t,n,m,d),m++,d--;n[2*m+s]<h;)m++;for(;n[2*d+s]>h;)d--}n[2*i+s]===h?r(t,n,i,d):r(t,n,++d,a),d<=o&&(i=d+1),o<=d&&(a=d-1)}}function r(t,e,r,o){n(t,r,o),n(e,2*r,2*o),n(e,2*r+1,2*o+1)}function n(t,e,r){var n=t[e];t[e]=t[r],t[r]=n}function o(t,e,r,n,o,i,a){for(var s,u,c=[0,t.length-1,0],f=[];c.length;){var l=c.pop(),p=c.pop(),h=c.pop();if(p-h<=a)for(var m=h;m<=p;m++)s=e[2*m],u=e[2*m+1],s>=r&&s<=o&&u>=n&&u<=i&&f.push(t[m]);else{var d=Math.floor((h+p)/2);s=e[2*d],u=e[2*d+1],s>=r&&s<=o&&u>=n&&u<=i&&f.push(t[d]);var g=(l+1)%2;(0===l?r<=s:n<=u)&&(c.push(h),c.push(d-1),c.push(g)),(0===l?o>=s:i>=u)&&(c.push(d+1),c.push(p),c.push(g))}}return f}function i(t,e,r,n,o,i){for(var s=[0,t.length-1,0],u=[],c=o*o;s.length;){var f=s.pop(),l=s.pop(),p=s.pop();if(l-p<=i)for(var h=p;h<=l;h++)a(e[2*h],e[2*h+1],r,n)<=c&&u.push(t[h]);else{var m=Math.floor((p+l)/2),d=e[2*m],g=e[2*m+1];a(d,g,r,n)<=c&&u.push(t[m]);var v=(f+1)%2;(0===f?r-o<=d:n-o<=g)&&(s.push(p),s.push(m-1),s.push(v)),(0===f?r+o>=d:n+o>=g)&&(s.push(m+1),s.push(l),s.push(v))}}return u}function a(t,e,r,n){var o=t-r,i=e-n;return o*o+i*i}var s=function(t){return t[0]},u=function(t){return t[1]},c=function(e,r,n,o,i){void 0===r&&(r=s),void 0===n&&(n=u),void 0===o&&(o=64),void 0===i&&(i=Float64Array),this.nodeSize=o,this.points=e;for(var a=e.length<65536?Uint16Array:Uint32Array,c=this.ids=new a(e.length),f=this.coords=new i(2*e.length),l=0;l<e.length;l++)c[l]=l,f[2*l]=r(e[l]),f[2*l+1]=n(e[l]);t(c,f,o,0,c.length-1,0)};return c.prototype.range=function(t,e,r,n){return o(this.ids,this.coords,t,e,r,n,this.nodeSize)},c.prototype.within=function(t,e,r){return i(this.ids,this.coords,t,e,r,this.nodeSize)},c}();var la=fa;const pa={minZoom:0,maxZoom:16,minPoints:2,radius:40,extent:512,nodeSize:64,log:!1,generateId:!1,reduce:null,map:t=>t},ha=Math.fround||(ma=new Float32Array(1),t=>(ma[0]=+t,ma[0]));var ma;class da{constructor(t){this.options=Oa(Object.create(pa),t),this.trees=new Array(this.options.maxZoom+1)}load(t){const{log:e,minZoom:r,maxZoom:n,nodeSize:o}=this.options;e&&console.time("total time");const i=`prepare ${t.length} points`;e&&console.time(i),this.points=t;let a=[];for(let e=0;e<t.length;e++)t[e].geometry&&a.push(va(t[e],e));this.trees[n+1]=new la(a,xa,Ma,o,Float32Array),e&&console.timeEnd(i);for(let t=n;t>=r;t--){const r=+Date.now();a=this._cluster(a,t),this.trees[t]=new la(a,xa,Ma,o,Float32Array),e&&console.log("z%d: %d clusters in %dms",t,a.length,+Date.now()-r)}return e&&console.timeEnd("total time"),this}getClusters(t,e){let r=((t[0]+180)%360+360)%360-180;const n=Math.max(-90,Math.min(90,t[1]));let o=180===t[2]?180:((t[2]+180)%360+360)%360-180;const i=Math.max(-90,Math.min(90,t[3]));if(t[2]-t[0]>=360)r=-180,o=180;else if(r>o){const t=this.getClusters([r,n,180,i],e),a=this.getClusters([-180,n,o,i],e);return t.concat(a)}const a=this.trees[this._limitZoom(e)],s=a.range(wa(r),ka(i),wa(o),ka(n)),u=[];for(const t of s){const e=a.points[t];u.push(e.numPoints?ya(e):this.points[e.index])}return u}getChildren(t){const e=this._getOriginId(t),r=this._getOriginZoom(t),n="No cluster with the specified id.",o=this.trees[r];if(!o)throw new Error(n);const i=o.points[e];if(!i)throw new Error(n);const a=this.options.radius/(this.options.extent*Math.pow(2,r-1)),s=o.within(i.x,i.y,a),u=[];for(const e of s){const r=o.points[e];r.parentId===t&&u.push(r.numPoints?ya(r):this.points[r.index])}if(0===u.length)throw new Error(n);return u}getLeaves(t,e,r){e=e||10,r=r||0;const n=[];return this._appendLeaves(n,t,e,r,0),n}getTile(t,e,r){const n=this.trees[this._limitZoom(t)],o=Math.pow(2,t),{extent:i,radius:a}=this.options,s=a/i,u=(r-s)/o,c=(r+1+s)/o,f={features:[]};return this._addTileFeatures(n.range((e-s)/o,u,(e+1+s)/o,c),n.points,e,r,o,f),0===e&&this._addTileFeatures(n.range(1-s/o,u,1,c),n.points,o,r,o,f),e===o-1&&this._addTileFeatures(n.range(0,u,s/o,c),n.points,-1,r,o,f),f.features.length?f:null}getClusterExpansionZoom(t){let e=this._getOriginZoom(t)-1;for(;e<=this.options.maxZoom;){const r=this.getChildren(t);if(e++,1!==r.length)break;t=r[0].properties.cluster_id}return e}_appendLeaves(t,e,r,n,o){const i=this.getChildren(e);for(const e of i){const i=e.properties;if(i&&i.cluster?o+i.point_count<=n?o+=i.point_count:o=this._appendLeaves(t,i.cluster_id,r,n,o):o<n?o++:t.push(e),t.length===r)break}return o}_addTileFeatures(t,e,r,n,o,i){for(const a of t){const t=e[a],s=t.numPoints;let u,c,f;if(s)u=ba(t),c=t.x,f=t.y;else{const e=this.points[t.index];u=e.properties,c=wa(e.geometry.coordinates[0]),f=ka(e.geometry.coordinates[1])}const l={type:1,geometry:[[Math.round(this.options.extent*(c*o-r)),Math.round(this.options.extent*(f*o-n))]],tags:u};let p;s?p=t.id:this.options.generateId?p=t.index:this.points[t.index].id&&(p=this.points[t.index].id),void 0!==p&&(l.id=p),i.features.push(l)}}_limitZoom(t){return Math.max(this.options.minZoom,Math.min(Math.floor(+t),this.options.maxZoom+1))}_cluster(t,e){const r=[],{radius:n,extent:o,reduce:i,minPoints:a}=this.options,s=n/(o*Math.pow(2,e));for(let n=0;n<t.length;n++){const o=t[n];if(o.zoom<=e)continue;o.zoom=e;const u=this.trees[e+1],c=u.within(o.x,o.y,s),f=o.numPoints||1;let l=f;for(const t of c){const r=u.points[t];r.zoom>e&&(l+=r.numPoints||1)}if(l>f&&l>=a){let t=o.x*f,a=o.y*f,s=i&&f>1?this._map(o,!0):null;const p=(n<<5)+(e+1)+this.points.length;for(const r of c){const n=u.points[r];if(n.zoom<=e)continue;n.zoom=e;const c=n.numPoints||1;t+=n.x*c,a+=n.y*c,n.parentId=p,i&&(s||(s=this._map(o,!0)),i(s,this._map(n)))}o.parentId=p,r.push(ga(t/l,a/l,p,l,s))}else if(r.push(o),l>1)for(const t of c){const n=u.points[t];n.zoom<=e||(n.zoom=e,r.push(n))}}return r}_getOriginId(t){return t-this.points.length>>5}_getOriginZoom(t){return(t-this.points.length)%32}_map(t,e){if(t.numPoints)return e?Oa({},t.properties):t.properties;const r=this.points[t.index].properties,n=this.options.map(r);return e&&n===r?Oa({},n):n}}function ga(t,e,r,n,o){return{x:ha(t),y:ha(e),zoom:1/0,id:r,parentId:-1,numPoints:n,properties:o}}function va(t,e){const[r,n]=t.geometry.coordinates;return{x:ha(wa(r)),y:ha(ka(n)),zoom:1/0,index:e,parentId:-1}}function ya(t){return{type:"Feature",id:t.id,properties:ba(t),geometry:{type:"Point",coordinates:[(e=t.x,360*(e-.5)),Sa(t.y)]}};var e}function ba(t){const e=t.numPoints,r=e>=1e4?`${Math.round(e/1e3)}k`:e>=1e3?Math.round(e/100)/10+"k":e;return 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t+e}),0);this.clusters={count:n.length,markers:{mean:i/n.length,sum:i,min:Math.min.apply(Math,f(o)),max:Math.max.apply(Math,f(o))}}})),Zu=function(){function t(){e(this,t)}return n(t,[{key:"render",value:function(t,e){var r=t.count,n=t.position,o=r>Math.max(10,e.clusters.markers.mean)?"#ff0000":"#0000ff",i=window.btoa('\n  <svg fill="'.concat(o,'" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 240 240">\n    <circle cx="120" cy="120" opacity=".6" r="70" />\n    <circle cx="120" cy="120" opacity=".3" r="90" />\n    <circle cx="120" cy="120" opacity=".2" r="110" />\n  </svg>'));return new google.maps.Marker({position:n,icon:{url:"data:image/svg+xml;base64,".concat(i),scaledSize:new google.maps.Size(45,45)},label:{text:String(r),color:"rgba(255,255,255,0.9)",fontSize:"12px"},title:"Cluster of ".concat(r," markers"),zIndex:Number(google.maps.Marker.MAX_ZINDEX)+r})}}]),t}();var Gu,Vu=n((function t(){e(this,t),function(t,e){for(var r in 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r=this.markers.indexOf(t);return-1!==r&&(t.setMap(null),this.markers.splice(r,1),e||this.render(),!0)}},{key:"removeMarkers",value:function(t,e){var r=this,n=!1;return t.forEach((function(t){n=r.removeMarker(t,!0)||n})),n&&!e&&this.render(),n}},{key:"clearMarkers",value:function(t){this.markers.length=0,t||this.render()}},{key:"render",value:function(){var e=this.getMap();if(e instanceof google.maps.Map&&this.getProjection()){google.maps.event.trigger(this,t.MarkerClustererEvents.CLUSTERING_BEGIN,this);var r=this.algorithm.calculate({markers:this.markers,map:e,mapCanvasProjection:this.getProjection()}),n=r.clusters,o=r.changed;(o||null==o)&&(this.reset(),this.clusters=n,this.renderClusters()),google.maps.event.trigger(this,t.MarkerClustererEvents.CLUSTERING_END,this)}}},{key:"onAdd",value:function(){this.idleListener=this.getMap().addListener("idle",this.render.bind(this)),this.render()}},{key:"onRemove",value:function(){google.maps.event.removeListener(this.idleListener),this.reset()}},{key:"reset",value:function(){this.markers.forEach((function(t){return t.setMap(null)})),this.clusters.forEach((function(t){return t.delete()})),this.clusters=[]}},{key:"renderClusters",value:function(){var e=this,r=new Fu(this.markers,this.clusters),n=this.getMap();this.clusters.forEach((function(o){1===o.markers.length?o.marker=o.markers[0]:(o.marker=e.renderer.render(o,r),e.onClusterClick&&o.marker.addListener("click",(function(r){google.maps.event.trigger(e,t.MarkerClustererEvents.CLUSTER_CLICK,o),e.onClusterClick(r,o,n)}))),o.marker.setMap(n)}))}}]),a}(Vu);return t.AbstractAlgorithm=Ei,t.AbstractViewportAlgorithm=Ci,t.Cluster=ki,t.ClusterStats=Fu,t.DefaultRenderer=Zu,t.GridAlgorithm=Wi,t.MarkerClusterer=Uu,t.NoopAlgorithm=Hi,t.SuperClusterAlgorithm=Pa,t.defaultOnClusterClickHandler=Bu,t.distanceBetweenPoints=xi,t.extendBoundsToPaddedViewport=Oi,t.extendPixelBounds=Pi,t.filterMarkersToPaddedViewport=Si,t.noop=_i,t.pixelBoundsToLatLngBounds=ji,Object.defineProperty(t,"__esModule",{value:!0}),t}({});
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