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@googlemaps/markerclusterer

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@googlemaps/markerclusterer - npm Package Compare versions

Comparing version 1.0.7 to 1.0.8

2

dist/index.min.js

@@ -1,2 +0,2 @@

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n={type:"Feature"};return(0===r.id||r.id)&&(n.id=r.id),r.bbox&&(n.bbox=r.bbox),n.properties=e||{},n.geometry=t,n}({type:"Point",coordinates:t},e,r)}function ur(t,e){void 0===e&&(e={});var r={type:"FeatureCollection"};return e.id&&(r.id=e.id),e.bbox&&(r.bbox=e.bbox),r.features=t,r}function cr(t,e){void 0===e&&(e="kilometers");var r=sr[e];if(!r)throw new Error(e+" units is invalid");return t*r}function fr(t){return t%360*Math.PI/180}function lr(t,e,r){if(void 0===e&&(e="kilometers"),void 0===r&&(r="kilometers"),!(t>=0))throw new Error("length must be a positive number");return cr(function(t,e){void 0===e&&(e="kilometers");var r=sr[e];if(!r)throw new Error(e+" units is invalid");return t/r}(t,e),r)}function hr(t){return!isNaN(t)&&null!==t&&!Array.isArray(t)}function pr(t){if(!t)throw new Error("geojson is required");switch(t.type){case"Feature":return dr(t);case"FeatureCollection":return function(t){var e={type:"FeatureCollection"};return Object.keys(t).forEach((function(r){switch(r){case"type":case"features":return;default:e[r]=t[r]}})),e.features=t.features.map((function(t){return dr(t)})),e}(t);case"Point":case"LineString":case"Polygon":case"MultiPoint":case"MultiLineString":case"MultiPolygon":case"GeometryCollection":return gr(t);default:throw new Error("unknown GeoJSON type")}}function dr(t){var e={type:"Feature"};return Object.keys(t).forEach((function(r){switch(r){case"type":case"properties":case"geometry":return;default:e[r]=t[r]}})),e.properties=mr(t.properties),e.geometry=gr(t.geometry),e}function mr(t){var e={};return t?(Object.keys(t).forEach((function(r){var n=t[r];"object"==typeof n?null===n?e[r]=null:Array.isArray(n)?e[r]=n.map((function(t){return t})):e[r]=mr(n):e[r]=n})),e):e}function gr(t){var e={type:t.type};return t.bbox&&(e.bbox=t.bbox),"GeometryCollection"===t.type?(e.geometries=t.geometries.map((function(t){return gr(t)})),e):(e.coordinates=vr(t.coordinates),e)}function vr(t){var e=t;return"object"!=typeof e[0]?e.slice():e.map((function(t){return vr(t)}))}function yr(t,e,r){if(null!==t)for(var n,o,i,s,a,u,c,f,l=0,h=0,p=t.type,d="FeatureCollection"===p,m="Feature"===p,g=d?t.features.length:1,v=0;v<g;v++){a=(f=!!(c=d?t.features[v].geometry:m?t.geometry:t)&&"GeometryCollection"===c.type)?c.geometries.length:1;for(var y=0;y<a;y++){var b=0,_=0;if(null!==(s=f?c.geometries[y]:c)){u=s.coordinates;var w=s.type;switch(l=!r||"Polygon"!==w&&"MultiPolygon"!==w?0:1,w){case null:break;case"Point":if(!1===e(u,h,v,b,_))return!1;h++,b++;break;case"LineString":case"MultiPoint":for(n=0;n<u.length;n++){if(!1===e(u[n],h,v,b,_))return!1;h++,"MultiPoint"===w&&b++}"LineString"===w&&b++;break;case"Polygon":case"MultiLineString":for(n=0;n<u.length;n++){for(o=0;o<u[n].length-l;o++){if(!1===e(u[n][o],h,v,b,_))return!1;h++}"MultiLineString"===w&&b++,"Polygon"===w&&_++}"Polygon"===w&&b++;break;case"MultiPolygon":for(n=0;n<u.length;n++){for(_=0,o=0;o<u[n].length;o++){for(i=0;i<u[n][o].length-l;i++){if(!1===e(u[n][o][i],h,v,b,_))return!1;h++}_++}b++}break;case"GeometryCollection":for(n=0;n<s.geometries.length;n++)if(!1===yr(s.geometries[n],e,r))return!1;break;default:throw new Error("Unknown Geometry Type")}}}}}function br(t){var e=[];return yr(t,(function(t){e.push(t)})),e}var _r=function(t,e,r){for(var n=t.length,o=0,i=0;i<n;i++){var s=(t[i]||0)-(e[i]||0);o+=s*s}return r?Math.sqrt(o):o},wr=_r,kr=function(t,e,r){var n=Math.abs(t-e);return r?n:n*n},Mr=_r,xr=function(t,e){for(var r={},n=[],o=e<<2,i=t.length,s=t[0].length>0;n.length<e&&o-- >0;){var a=t[Math.floor(Math.random()*i)],u=s?a.join("_"):""+a;r[u]||(r[u]=!0,n.push(a))}if(n.length<e)throw new Error("Error initializating clusters");return n},Pr=function(t,e){var r=t[0].length?wr:kr,n=[],o=t.length,i=t[0].length>0,s=t[Math.floor(Math.random()*o)];i&&s.join("_");for(n.push(s);n.length<e;){for(var a=[],u=n.length,c=0,f=[],l=0;l<o;l++){for(var h=1/0,p=0;p<u;p++){var d=r(t[l],n[p]);d<=h&&(h=d)}a[l]=h}for(var m=0;m<o;m++)c+=a[m];for(var g=0;g<o;g++)f[g]={i:g,v:t[g],pr:a[g]/c,cs:0};f.sort((function(t,e){return t.pr-e.pr})),f[0].cs=f[0].pr;for(var v=1;v<o;v++)f[v].cs=f[v-1].cs+f[v].pr;for(var y=Math.random(),b=0;b<o-1&&f[b++].cs<y;);n.push(f[b-1].v)}return n};function Or(t,e,r){r=r||[];for(var n=0;n<t;n++)r[n]=e;return r}var Sr=function(t,e,r,n){var o=[],i=[],s=[],a=[],u=!1,c=n||1e4,f=t.length,l=t[0].length,h=l>0,p=[];if(r)o="kmrand"==r?xr(t,e):"kmpp"==r?Pr(t,e):r;else for(var d={};o.length<e;){var m=Math.floor(Math.random()*f);d[m]||(d[m]=!0,o.push(t[m]))}do{Or(e,0,p);for(var g=0;g<f;g++){for(var v=1/0,y=0,b=0;b<e;b++){(a=h?Mr(t[g],o[b]):Math.abs(t[g]-o[b]))<=v&&(v=a,y=b)}s[g]=y,p[y]++}for(var _=[],w=(i=[],0);w<e;w++)_[w]=h?Or(l,0,_[w]):0,i[w]=o[w];if(h){for(var k=0;k<e;k++)o[k]=[];for(var M=0;M<f;M++)for(var x=_[s[M]],P=t[M],O=0;O<l;O++)x[O]+=P[O];u=!0;for(var S=0;S<e;S++){for(var E=o[S],C=_[S],A=i[S],j=p[S],L=0;L<l;L++)E[L]=C[L]/j||0;if(u)for(var T=0;T<l;T++)if(A[T]!=E[T]){u=!1;break}}}else{for(var I=0;I<f;I++){_[s[I]]+=t[I]}for(var N=0;N<e;N++)o[N]=_[N]/p[N]||0;u=!0;for(var D=0;D<e;D++)if(i[D]!=o[D]){u=!1;break}}u=u||--c<=0}while(!u);return{it:1e4-c,k:e,idxs:s,centroids:o}};var Er=function(t){o(i,t);var r=u(i);function i(t){var n;e(this,i);var o=t.numberOfClusters,s=Ne(t,["numberOfClusters"]);return(n=r.call(this,s)).numberOfClusters=o,n}return n(i,[{key:"cluster",value:function(t){var e=t.markers,r=t.map,n=[];return 0===e.length||function(t,e){void 0===e&&(e={});var r=t.features.length;e.numberOfClusters=e.numberOfClusters||Math.round(Math.sqrt(r/2)),e.numberOfClusters>r&&(e.numberOfClusters=r),!0!==e.mutate&&(t=pr(t));var n=br(t),o=n.slice(0,e.numberOfClusters),i=Sr(n,e.numberOfClusters,o),s={};return i.centroids.forEach((function(t,e){s[e]=t})),function(t,e){if("Feature"===t.type)e(t,0);else if("FeatureCollection"===t.type)for(var r=0;r<t.features.length&&!1!==e(t.features[r],r);r++);}(t,(function(t,e){var r=i.idxs[e];t.properties.cluster=r,t.properties.centroid=s[r]})),t}(ur(e.map((function(t){return ar([t.getPosition().lng(),t.getPosition().lat()])}))),{numberOfClusters:this.numberOfClusters instanceof Function?this.numberOfClusters(e.length,r.getZoom()):this.numberOfClusters}).features.forEach((function(t,r){n[t.properties.cluster]||(n[t.properties.cluster]=new Re({position:{lng:t.properties.centroid[0],lat:t.properties.centroid[1]},markers:[]})),n[t.properties.cluster].push(e[r])})),n}}]),i}(We),Cr=Object.keys||function(t){return $t(t,Yt)},Ar=Object.assign,jr=Object.defineProperty,Lr=!Ar||b((function(){if(_&&1!==Ar({b:1},Ar(jr({},"a",{enumerable:!0,get:function(){jr(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!=Ar({},t)[r]||Cr(Ar({},e)).join("")!=n}))?function(t,e){for(var r=K(t),n=arguments.length,o=1,i=re.f,s=M.f;n>o;)for(var a,u=E(arguments[o++]),c=i?Cr(u).concat(i(u)):Cr(u),f=c.length,l=0;f>l;)a=c[l++],_&&!s.call(u,a)||(r[a]=u[a]);return r}:Ar;function Tr(t){if(!t)throw new Error("coord is required");if(!Array.isArray(t)){if("Feature"===t.type&&null!==t.geometry&&"Point"===t.geometry.type)return t.geometry.coordinates;if("Point"===t.type)return t.coordinates}if(Array.isArray(t)&&t.length>=2&&!Array.isArray(t[0])&&!Array.isArray(t[1]))return t;throw new Error("coord must be GeoJSON Point or an Array of numbers")}function Ir(t,e,r){void 0===r&&(r={});var n=Tr(t),o=Tr(e),i=fr(o[1]-n[1]),s=fr(o[0]-n[0]),a=fr(n[1]),u=fr(o[1]),c=Math.pow(Math.sin(i/2),2)+Math.pow(Math.sin(s/2),2)*Math.cos(a)*Math.cos(u);return cr(2*Math.atan2(Math.sqrt(c),Math.sqrt(1-c)),r.units)}pe({target:"Object",stat:!0,forced:Object.assign!==Lr},{assign:Lr});var Nr=d((function(t){function e(t,e,r,n){this.dataset=[],this.epsilon=1,this.minPts=2,this.distance=this._euclideanDistance,this.clusters=[],this.noise=[],this._visited=[],this._assigned=[],this._datasetLength=0,this._init(t,e,r,n)}e.prototype.run=function(t,e,r,n){this._init(t,e,r,n);for(var o=0;o<this._datasetLength;o++)if(1!==this._visited[o]){this._visited[o]=1;var i=this._regionQuery(o);if(i.length<this.minPts)this.noise.push(o);else{var s=this.clusters.length;this.clusters.push([]),this._addToCluster(o,s),this._expandCluster(s,i)}}return this.clusters},e.prototype._init=function(t,e,r,n){if(t){if(!(t instanceof Array))throw Error("Dataset must be of type array, "+typeof t+" given");this.dataset=t,this.clusters=[],this.noise=[],this._datasetLength=t.length,this._visited=new Array(this._datasetLength),this._assigned=new Array(this._datasetLength)}e&&(this.epsilon=e),r&&(this.minPts=r),n&&(this.distance=n)},e.prototype._expandCluster=function(t,e){for(var r=0;r<e.length;r++){var n=e[r];if(1!==this._visited[n]){this._visited[n]=1;var o=this._regionQuery(n);o.length>=this.minPts&&(e=this._mergeArrays(e,o))}1!==this._assigned[n]&&this._addToCluster(n,t)}},e.prototype._addToCluster=function(t,e){this.clusters[e].push(t),this._assigned[t]=1},e.prototype._regionQuery=function(t){for(var e=[],r=0;r<this._datasetLength;r++){this.distance(this.dataset[t],this.dataset[r])<this.epsilon&&e.push(r)}return e},e.prototype._mergeArrays=function(t,e){for(var r=e.length,n=0;n<r;n++){var o=e[n];t.indexOf(o)<0&&t.push(o)}return t},e.prototype._euclideanDistance=function(t,e){for(var r=0,n=Math.min(t.length,e.length);n--;)r+=(t[n]-e[n])*(t[n]-e[n]);return Math.sqrt(r)},t.exports&&(t.exports=e)})),Dr=d((function(t){function e(t,e,r){this.k=3,this.dataset=[],this.assignments=[],this.centroids=[],this.init(t,e,r)}e.prototype.init=function(t,e,r){this.assignments=[],this.centroids=[],void 0!==t&&(this.dataset=t),void 0!==e&&(this.k=e),void 0!==r&&(this.distance=r)},e.prototype.run=function(t,e){this.init(t,e);for(var r=this.dataset.length,n=0;n<this.k;n++)this.centroids[n]=this.randomCentroid();for(var o=!0;o;){o=this.assign();for(var i=0;i<this.k;i++){for(var s=new Array(f),a=0,u=0;u<f;u++)s[u]=0;for(var c=0;c<r;c++){var f=this.dataset[c].length;if(i===this.assignments[c]){for(u=0;u<f;u++)s[u]+=this.dataset[c][u];a++}}if(a>0){for(u=0;u<f;u++)s[u]/=a;this.centroids[i]=s}else this.centroids[i]=this.randomCentroid(),o=!0}}return this.getClusters()},e.prototype.randomCentroid=function(){var t,e,r=this.dataset.length-1;do{e=Math.round(Math.random()*r),t=this.dataset[e]}while(this.centroids.indexOf(t)>=0);return t},e.prototype.assign=function(){for(var t,e=!1,r=this.dataset.length,n=0;n<r;n++)(t=this.argmin(this.dataset[n],this.centroids,this.distance))!=this.assignments[n]&&(this.assignments[n]=t,e=!0);return e},e.prototype.getClusters=function(){for(var t,e=new Array(this.k),r=0;r<this.assignments.length;r++)void 0===e[t=this.assignments[r]]&&(e[t]=[]),e[t].push(r);return e},e.prototype.argmin=function(t,e,r){for(var n,o=Number.MAX_VALUE,i=0,s=e.length,a=0;a<s;a++)(n=r(t,e[a]))<o&&(o=n,i=a);return i},e.prototype.distance=function(t,e){for(var r=0,n=Math.min(t.length,e.length);n--;){var o=t[n]-e[n];r+=o*o}return Math.sqrt(r)},t.exports&&(t.exports=e)})),Fr=d((function(t){function e(t,e,r){this._queue=[],this._priorities=[],this._sorting="desc",this._init(t,e,r)}e.prototype.insert=function(t,e){for(var r=this._queue.length,n=r;n--;){var o=this._priorities[n];"desc"===this._sorting?e>o&&(r=n):e<o&&(r=n)}this._insertAt(t,e,r)},e.prototype.remove=function(t){for(var e=this._queue.length;e--;){if(t===this._queue[e]){this._queue.splice(e,1),this._priorities.splice(e,1);break}}},e.prototype.forEach=function(t){this._queue.forEach(t)},e.prototype.getElements=function(){return this._queue},e.prototype.getElementPriority=function(t){return this._priorities[t]},e.prototype.getPriorities=function(){return this._priorities},e.prototype.getElementsWithPriorities=function(){for(var t=[],e=0,r=this._queue.length;e<r;e++)t.push([this._queue[e],this._priorities[e]]);return t},e.prototype._init=function(t,e,r){if(t&&e){if(this._queue=[],this._priorities=[],t.length!==e.length)throw new Error("Arrays must have the same length");for(var n=0;n<t.length;n++)this.insert(t[n],e[n])}r&&(this._sorting=r)},e.prototype._insertAt=function(t,e,r){this._queue.length===r?(this._queue.push(t),this._priorities.push(e)):(this._queue.splice(r,0,t),this._priorities.splice(r,0,e))},t.exports&&(t.exports=e)})),zr=d((function(t){if(t.exports)var e=Fr;function r(t,e,r,n){this.epsilon=1,this.minPts=1,this.distance=this._euclideanDistance,this._reachability=[],this._processed=[],this._coreDistance=0,this._orderedList=[],this._init(t,e,r,n)}r.prototype.run=function(t,r,n,o){this._init(t,r,n,o);for(var i=0,s=this.dataset.length;i<s;i++)if(1!==this._processed[i]){this._processed[i]=1,this.clusters.push([i]);var a=this.clusters.length-1;this._orderedList.push(i);var u=new e(null,null,"asc"),c=this._regionQuery(i);void 0!==this._distanceToCore(i)&&(this._updateQueue(i,c,u),this._expandCluster(a,u))}return this.clusters},r.prototype.getReachabilityPlot=function(){for(var t=[],e=0,r=this._orderedList.length;e<r;e++){var n=this._orderedList[e],o=this._reachability[n];t.push([n,o])}return t},r.prototype._init=function(t,e,r,n){if(t){if(!(t instanceof Array))throw Error("Dataset must be of type array, "+typeof t+" given");this.dataset=t,this.clusters=[],this._reachability=new Array(this.dataset.length),this._processed=new Array(this.dataset.length),this._coreDistance=0,this._orderedList=[]}e&&(this.epsilon=e),r&&(this.minPts=r),n&&(this.distance=n)},r.prototype._updateQueue=function(t,e,r){var n=this;this._coreDistance=this._distanceToCore(t),e.forEach((function(e){if(void 0===n._processed[e]){var o=n.distance(n.dataset[t],n.dataset[e]),i=Math.max(n._coreDistance,o);void 0===n._reachability[e]?(n._reachability[e]=i,r.insert(e,i)):i<n._reachability[e]&&(n._reachability[e]=i,r.remove(e),r.insert(e,i))}}))},r.prototype._expandCluster=function(t,e){for(var r=e.getElements(),n=0,o=r.length;n<o;n++){var i=r[n];if(void 0===this._processed[i]){var s=this._regionQuery(i);this._processed[i]=1,this.clusters[t].push(i),this._orderedList.push(i),void 0!==this._distanceToCore(i)&&(this._updateQueue(i,s,e),this._expandCluster(t,e))}}},r.prototype._distanceToCore=function(t){for(var e=this.epsilon,r=0;r<e;r++){if(this._regionQuery(t,r).length>=this.minPts)return r}},r.prototype._regionQuery=function(t,e){e=e||this.epsilon;for(var r=[],n=0,o=this.dataset.length;n<o;n++)this.distance(this.dataset[t],this.dataset[n])<e&&r.push(n);return r},r.prototype._euclideanDistance=function(t,e){for(var r=0,n=Math.min(t.length,e.length);n--;)r+=(t[n]-e[n])*(t[n]-e[n]);return Math.sqrt(r)},t.exports&&(t.exports=r)})),Rr=d((function(t){t.exports&&(t.exports={DBSCAN:Nr,KMEANS:Dr,OPTICS:zr,PriorityQueue:Fr})}));Rr.DBSCAN,Rr.KMEANS,Rr.OPTICS,Rr.PriorityQueue;var Zr={units:"kilometers",mutate:!1,minPoints:1},qr=function(t){o(i,t);var r=u(i);function i(t){var n;e(this,i);var o=t.maxDistance,s=void 0===o?200:o,a=t.minPoints,u=void 0===a?Zr.minPoints:a,c=Ne(t,["maxDistance","minPoints"]);return(n=r.call(this,c)).maxDistance=s,n.options=Object.assign(Object.assign({},Zr),{minPoints:u}),n}return n(i,[{key:"cluster",value:function(t){var e=t.markers,r=t.mapCanvasProjection,n=ur(e.map((function(t){var e=r.fromLatLngToContainerPixel(t.getPosition());return ar([e.x,e.y])}))),o=[];return function(t,e,r){void 0===r&&(r={}),!0!==r.mutate&&(t=pr(t)),r.minPoints=r.minPoints||3;var n=new Rr.DBSCAN,o=n.run(br(t),lr(e,r.units),r.minPoints,Ir),i=-1;return o.forEach((function(e){i++,e.forEach((function(e){var r=t.features[e];r.properties||(r.properties={}),r.properties.cluster=i,r.properties.dbscan="core"}))})),n.noise.forEach((function(e){var r=t.features[e];r.properties||(r.properties={}),r.properties.cluster?r.properties.dbscan="edge":r.properties.dbscan="noise"})),t}(n,this.maxDistance,this.options).features.forEach((function(t,r){o[t.properties.cluster]||(o[t.properties.cluster]=[]),o[t.properties.cluster].push(e[r])})),o.map((function(t){return new Re({markers:t})}))}}]),i}(We);function Gr(t,e,r,n,o,i){if(o-n<=r)return;const s=n+o>>1;Br(t,e,s,n,o,i%2),Gr(t,e,r,n,s-1,i+1),Gr(t,e,r,s+1,o,i+1)}function Br(t,e,r,n,o,i){for(;o>n;){if(o-n>600){const s=o-n+1,a=r-n+1,u=Math.log(s),c=.5*Math.exp(2*u/3),f=.5*Math.sqrt(u*c*(s-c)/s)*(a-s/2<0?-1:1);Br(t,e,r,Math.max(n,Math.floor(r-a*c/s+f)),Math.min(o,Math.floor(r+(s-a)*c/s+f)),i)}const s=e[2*r+i];let a=n,u=o;for(Vr(t,e,n,r),e[2*o+i]>s&&Vr(t,e,n,o);a<u;){for(Vr(t,e,a,u),a++,u--;e[2*a+i]<s;)a++;for(;e[2*u+i]>s;)u--}e[2*n+i]===s?Vr(t,e,n,u):(u++,Vr(t,e,u,o)),u<=r&&(n=u+1),r<=u&&(o=u-1)}}function Vr(t,e,r,n){Ur(t,r,n),Ur(e,2*r,2*n),Ur(e,2*r+1,2*n+1)}function Ur(t,e,r){const n=t[e];t[e]=t[r],t[r]=n}function Qr(t,e,r,n){const o=t-r,i=e-n;return o*o+i*i}const Wr=t=>t[0],Xr=t=>t[1];class Kr{constructor(t,e=Wr,r=Xr,n=64,o=Float64Array){this.nodeSize=n,this.points=t;const i=t.length<65536?Uint16Array:Uint32Array,s=this.ids=new i(t.length),a=this.coords=new o(2*t.length);for(let n=0;n<t.length;n++)s[n]=n,a[2*n]=e(t[n]),a[2*n+1]=r(t[n]);Gr(s,a,n,0,s.length-1,0)}range(t,e,r,n){return function(t,e,r,n,o,i,s){const a=[0,t.length-1,0],u=[];let c,f;for(;a.length;){const l=a.pop(),h=a.pop(),p=a.pop();if(h-p<=s){for(let s=p;s<=h;s++)c=e[2*s],f=e[2*s+1],c>=r&&c<=o&&f>=n&&f<=i&&u.push(t[s]);continue}const d=Math.floor((p+h)/2);c=e[2*d],f=e[2*d+1],c>=r&&c<=o&&f>=n&&f<=i&&u.push(t[d]);const m=(l+1)%2;(0===l?r<=c:n<=f)&&(a.push(p),a.push(d-1),a.push(m)),(0===l?o>=c:i>=f)&&(a.push(d+1),a.push(h),a.push(m))}return u}(this.ids,this.coords,t,e,r,n,this.nodeSize)}within(t,e,r){return function(t,e,r,n,o,i){const s=[0,t.length-1,0],a=[],u=o*o;for(;s.length;){const c=s.pop(),f=s.pop(),l=s.pop();if(f-l<=i){for(let o=l;o<=f;o++)Qr(e[2*o],e[2*o+1],r,n)<=u&&a.push(t[o]);continue}const h=Math.floor((l+f)/2),p=e[2*h],d=e[2*h+1];Qr(p,d,r,n)<=u&&a.push(t[h]);const m=(c+1)%2;(0===c?r-o<=p:n-o<=d)&&(s.push(l),s.push(h-1),s.push(m)),(0===c?r+o>=p:n+o>=d)&&(s.push(h+1),s.push(f),s.push(m))}return a}(this.ids,this.coords,t,e,r,this.nodeSize)}}const Hr={minZoom:0,maxZoom:16,minPoints:2,radius:40,extent:512,nodeSize:64,log:!1,generateId:!1,reduce:null,map:t=>t},Jr=Math.fround||($r=new Float32Array(1),t=>($r[0]=+t,$r[0]));var $r;class Yr{constructor(t){this.options=un(Object.create(Hr),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 s=[];for(let e=0;e<t.length;e++)t[e].geometry&&s.push(en(t[e],e));this.trees[n+1]=new Kr(s,cn,fn,o,Float32Array),e&&console.timeEnd(i);for(let t=n;t>=r;t--){const r=+Date.now();s=this._cluster(s,t),this.trees[t]=new Kr(s,cn,fn,o,Float32Array),e&&console.log("z%d: %d clusters in %dms",t,s.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),s=this.getClusters([-180,n,o,i],e);return t.concat(s)}const s=this.trees[this._limitZoom(e)],a=s.range(on(r),sn(i),on(o),sn(n)),u=[];for(const t of a){const e=s.points[t];u.push(e.numPoints?rn(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 s=this.options.radius/(this.options.extent*Math.pow(2,r-1)),a=o.within(i.x,i.y,s),u=[];for(const e of a){const r=o.points[e];r.parentId===t&&u.push(r.numPoints?rn(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:s}=this.options,a=s/i,u=(r-a)/o,c=(r+1+a)/o,f={features:[]};return this._addTileFeatures(n.range((e-a)/o,u,(e+1+a)/o,c),n.points,e,r,o,f),0===e&&this._addTileFeatures(n.range(1-a/o,u,1,c),n.points,o,r,o,f),e===o-1&&this._addTileFeatures(n.range(0,u,a/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 s of t){const t=e[s],a=t.numPoints;let u,c,f;if(a)u=nn(t),c=t.x,f=t.y;else{const e=this.points[t.index];u=e.properties,c=on(e.geometry.coordinates[0]),f=sn(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 h;a?h=t.id:this.options.generateId?h=t.index:this.points[t.index].id&&(h=this.points[t.index].id),void 0!==h&&(l.id=h),i.features.push(l)}}_limitZoom(t){return Math.max(this.options.minZoom,Math.min(+t,this.options.maxZoom+1))}_cluster(t,e){const r=[],{radius:n,extent:o,reduce:i,minPoints:s}=this.options,a=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,a),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>=s){let t=o.x*f,s=o.y*f,a=i&&f>1?this._map(o,!0):null;const h=(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,s+=n.y*c,n.parentId=h,i&&(a||(a=this._map(o,!0)),i(a,this._map(n)))}o.parentId=h,r.push(tn(t/l,s/l,h,l,a))}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?un({},t.properties):t.properties;const r=this.points[t.index].properties,n=this.options.map(r);return e&&n===r?un({},n):n}}function tn(t,e,r,n,o){return{x:Jr(t),y:Jr(e),zoom:1/0,id:r,parentId:-1,numPoints:n,properties:o}}function en(t,e){const[r,n]=t.geometry.coordinates;return{x:Jr(on(r)),y:Jr(sn(n)),zoom:1/0,index:e,parentId:-1}}function rn(t){return{type:"Feature",id:t.id,properties:nn(t),geometry:{type:"Point",coordinates:[(e=t.x,360*(e-.5)),an(t.y)]}};var e}function nn(t){const e=t.numPoints,r=e>=1e4?Math.round(e/1e3)+"k":e>=1e3?Math.round(e/100)/10+"k":e;return un(un({},t.properties),{cluster:!0,cluster_id:t.id,point_count:e,point_count_abbreviated:r})}function on(t){return t/360+.5}function sn(t){const e=Math.sin(t*Math.PI/180),r=.5-.25*Math.log((1+e)/(1-e))/Math.PI;return r<0?0:r>1?1:r}function an(t){const e=(180-360*t)*Math.PI/180;return 360*Math.atan(Math.exp(e))/Math.PI-90}function un(t,e){for(const r in e)t[r]=e[r];return t}function cn(t){return t.x}function fn(t){return t.y}var ln,hn=function t(e,r){if(e===r)return!0;if(e&&r&&"object"==typeof e&&"object"==typeof r){if(e.constructor!==r.constructor)return!1;var n,o,i;if(Array.isArray(e)){if((n=e.length)!=r.length)return!1;for(o=n;0!=o--;)if(!t(e[o],r[o]))return!1;return!0}if(e instanceof Map&&r instanceof Map){if(e.size!==r.size)return!1;for(o of 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s=this.clusters.length;this.clusters.push([]),this._addToCluster(o,s),this._expandCluster(s,i)}}return this.clusters},e.prototype._init=function(t,e,r,n){if(t){if(!(t instanceof Array))throw Error("Dataset must be of type array, "+typeof t+" given");this.dataset=t,this.clusters=[],this.noise=[],this._datasetLength=t.length,this._visited=new Array(this._datasetLength),this._assigned=new Array(this._datasetLength)}e&&(this.epsilon=e),r&&(this.minPts=r),n&&(this.distance=n)},e.prototype._expandCluster=function(t,e){for(var r=0;r<e.length;r++){var n=e[r];if(1!==this._visited[n]){this._visited[n]=1;var o=this._regionQuery(n);o.length>=this.minPts&&(e=this._mergeArrays(e,o))}1!==this._assigned[n]&&this._addToCluster(n,t)}},e.prototype._addToCluster=function(t,e){this.clusters[e].push(t),this._assigned[t]=1},e.prototype._regionQuery=function(t){for(var e=[],r=0;r<this._datasetLength;r++){this.distance(this.dataset[t],this.dataset[r])<this.epsilon&&e.push(r)}return e},e.prototype._mergeArrays=function(t,e){for(var r=e.length,n=0;n<r;n++){var o=e[n];t.indexOf(o)<0&&t.push(o)}return t},e.prototype._euclideanDistance=function(t,e){for(var r=0,n=Math.min(t.length,e.length);n--;)r+=(t[n]-e[n])*(t[n]-e[n]);return Math.sqrt(r)},t.exports&&(t.exports=e)})),Dr=d((function(t){function e(t,e,r){this.k=3,this.dataset=[],this.assignments=[],this.centroids=[],this.init(t,e,r)}e.prototype.init=function(t,e,r){this.assignments=[],this.centroids=[],void 0!==t&&(this.dataset=t),void 0!==e&&(this.k=e),void 0!==r&&(this.distance=r)},e.prototype.run=function(t,e){this.init(t,e);for(var r=this.dataset.length,n=0;n<this.k;n++)this.centroids[n]=this.randomCentroid();for(var o=!0;o;){o=this.assign();for(var i=0;i<this.k;i++){for(var s=new Array(f),a=0,u=0;u<f;u++)s[u]=0;for(var c=0;c<r;c++){var f=this.dataset[c].length;if(i===this.assignments[c]){for(u=0;u<f;u++)s[u]+=this.dataset[c][u];a++}}if(a>0){for(u=0;u<f;u++)s[u]/=a;this.centroids[i]=s}else this.centroids[i]=this.randomCentroid(),o=!0}}return this.getClusters()},e.prototype.randomCentroid=function(){var t,e,r=this.dataset.length-1;do{e=Math.round(Math.random()*r),t=this.dataset[e]}while(this.centroids.indexOf(t)>=0);return t},e.prototype.assign=function(){for(var t,e=!1,r=this.dataset.length,n=0;n<r;n++)(t=this.argmin(this.dataset[n],this.centroids,this.distance))!=this.assignments[n]&&(this.assignments[n]=t,e=!0);return e},e.prototype.getClusters=function(){for(var t,e=new Array(this.k),r=0;r<this.assignments.length;r++)void 0===e[t=this.assignments[r]]&&(e[t]=[]),e[t].push(r);return e},e.prototype.argmin=function(t,e,r){for(var n,o=Number.MAX_VALUE,i=0,s=e.length,a=0;a<s;a++)(n=r(t,e[a]))<o&&(o=n,i=a);return i},e.prototype.distance=function(t,e){for(var r=0,n=Math.min(t.length,e.length);n--;){var o=t[n]-e[n];r+=o*o}return Math.sqrt(r)},t.exports&&(t.exports=e)})),Fr=d((function(t){function e(t,e,r){this._queue=[],this._priorities=[],this._sorting="desc",this._init(t,e,r)}e.prototype.insert=function(t,e){for(var r=this._queue.length,n=r;n--;){var o=this._priorities[n];"desc"===this._sorting?e>o&&(r=n):e<o&&(r=n)}this._insertAt(t,e,r)},e.prototype.remove=function(t){for(var e=this._queue.length;e--;){if(t===this._queue[e]){this._queue.splice(e,1),this._priorities.splice(e,1);break}}},e.prototype.forEach=function(t){this._queue.forEach(t)},e.prototype.getElements=function(){return this._queue},e.prototype.getElementPriority=function(t){return this._priorities[t]},e.prototype.getPriorities=function(){return this._priorities},e.prototype.getElementsWithPriorities=function(){for(var t=[],e=0,r=this._queue.length;e<r;e++)t.push([this._queue[e],this._priorities[e]]);return t},e.prototype._init=function(t,e,r){if(t&&e){if(this._queue=[],this._priorities=[],t.length!==e.length)throw new Error("Arrays must have the same length");for(var n=0;n<t.length;n++)this.insert(t[n],e[n])}r&&(this._sorting=r)},e.prototype._insertAt=function(t,e,r){this._queue.length===r?(this._queue.push(t),this._priorities.push(e)):(this._queue.splice(r,0,t),this._priorities.splice(r,0,e))},t.exports&&(t.exports=e)})),zr=d((function(t){if(t.exports)var e=Fr;function r(t,e,r,n){this.epsilon=1,this.minPts=1,this.distance=this._euclideanDistance,this._reachability=[],this._processed=[],this._coreDistance=0,this._orderedList=[],this._init(t,e,r,n)}r.prototype.run=function(t,r,n,o){this._init(t,r,n,o);for(var i=0,s=this.dataset.length;i<s;i++)if(1!==this._processed[i]){this._processed[i]=1,this.clusters.push([i]);var a=this.clusters.length-1;this._orderedList.push(i);var u=new e(null,null,"asc"),c=this._regionQuery(i);void 0!==this._distanceToCore(i)&&(this._updateQueue(i,c,u),this._expandCluster(a,u))}return this.clusters},r.prototype.getReachabilityPlot=function(){for(var t=[],e=0,r=this._orderedList.length;e<r;e++){var n=this._orderedList[e],o=this._reachability[n];t.push([n,o])}return t},r.prototype._init=function(t,e,r,n){if(t){if(!(t instanceof Array))throw Error("Dataset must be of type array, "+typeof t+" given");this.dataset=t,this.clusters=[],this._reachability=new Array(this.dataset.length),this._processed=new Array(this.dataset.length),this._coreDistance=0,this._orderedList=[]}e&&(this.epsilon=e),r&&(this.minPts=r),n&&(this.distance=n)},r.prototype._updateQueue=function(t,e,r){var n=this;this._coreDistance=this._distanceToCore(t),e.forEach((function(e){if(void 0===n._processed[e]){var o=n.distance(n.dataset[t],n.dataset[e]),i=Math.max(n._coreDistance,o);void 0===n._reachability[e]?(n._reachability[e]=i,r.insert(e,i)):i<n._reachability[e]&&(n._reachability[e]=i,r.remove(e),r.insert(e,i))}}))},r.prototype._expandCluster=function(t,e){for(var r=e.getElements(),n=0,o=r.length;n<o;n++){var i=r[n];if(void 0===this._processed[i]){var s=this._regionQuery(i);this._processed[i]=1,this.clusters[t].push(i),this._orderedList.push(i),void 0!==this._distanceToCore(i)&&(this._updateQueue(i,s,e),this._expandCluster(t,e))}}},r.prototype._distanceToCore=function(t){for(var e=this.epsilon,r=0;r<e;r++){if(this._regionQuery(t,r).length>=this.minPts)return r}},r.prototype._regionQuery=function(t,e){e=e||this.epsilon;for(var r=[],n=0,o=this.dataset.length;n<o;n++)this.distance(this.dataset[t],this.dataset[n])<e&&r.push(n);return r},r.prototype._euclideanDistance=function(t,e){for(var r=0,n=Math.min(t.length,e.length);n--;)r+=(t[n]-e[n])*(t[n]-e[n]);return Math.sqrt(r)},t.exports&&(t.exports=r)})),Rr=d((function(t){t.exports&&(t.exports={DBSCAN:Nr,KMEANS:Dr,OPTICS:zr,PriorityQueue:Fr})}));Rr.DBSCAN,Rr.KMEANS,Rr.OPTICS,Rr.PriorityQueue;var Zr={units:"kilometers",mutate:!1,minPoints:1},qr=function(t){o(i,t);var r=u(i);function i(t){var n;e(this,i);var o=t.maxDistance,s=void 0===o?200:o,a=t.minPoints,u=void 0===a?Zr.minPoints:a,c=Ne(t,["maxDistance","minPoints"]);return(n=r.call(this,c)).maxDistance=s,n.options=Object.assign(Object.assign({},Zr),{minPoints:u}),n}return n(i,[{key:"cluster",value:function(t){var e=t.markers,r=t.mapCanvasProjection,n=ur(e.map((function(t){var e=r.fromLatLngToContainerPixel(t.getPosition());return ar([e.x,e.y])}))),o=[];return function(t,e,r){void 0===r&&(r={}),!0!==r.mutate&&(t=pr(t)),r.minPoints=r.minPoints||3;var n=new Rr.DBSCAN,o=n.run(br(t),lr(e,r.units),r.minPoints,Ir),i=-1;return o.forEach((function(e){i++,e.forEach((function(e){var r=t.features[e];r.properties||(r.properties={}),r.properties.cluster=i,r.properties.dbscan="core"}))})),n.noise.forEach((function(e){var r=t.features[e];r.properties||(r.properties={}),r.properties.cluster?r.properties.dbscan="edge":r.properties.dbscan="noise"})),t}(n,this.maxDistance,this.options).features.forEach((function(t,r){o[t.properties.cluster]||(o[t.properties.cluster]=[]),o[t.properties.cluster].push(e[r])})),o.map((function(t){return new Re({markers:t})}))}}]),i}(We);function Gr(t,e,r,n,o,i){if(o-n<=r)return;const s=n+o>>1;Br(t,e,s,n,o,i%2),Gr(t,e,r,n,s-1,i+1),Gr(t,e,r,s+1,o,i+1)}function Br(t,e,r,n,o,i){for(;o>n;){if(o-n>600){const s=o-n+1,a=r-n+1,u=Math.log(s),c=.5*Math.exp(2*u/3),f=.5*Math.sqrt(u*c*(s-c)/s)*(a-s/2<0?-1:1);Br(t,e,r,Math.max(n,Math.floor(r-a*c/s+f)),Math.min(o,Math.floor(r+(s-a)*c/s+f)),i)}const s=e[2*r+i];let a=n,u=o;for(Vr(t,e,n,r),e[2*o+i]>s&&Vr(t,e,n,o);a<u;){for(Vr(t,e,a,u),a++,u--;e[2*a+i]<s;)a++;for(;e[2*u+i]>s;)u--}e[2*n+i]===s?Vr(t,e,n,u):(u++,Vr(t,e,u,o)),u<=r&&(n=u+1),r<=u&&(o=u-1)}}function Vr(t,e,r,n){Ur(t,r,n),Ur(e,2*r,2*n),Ur(e,2*r+1,2*n+1)}function Ur(t,e,r){const n=t[e];t[e]=t[r],t[r]=n}function Qr(t,e,r,n){const o=t-r,i=e-n;return o*o+i*i}const Wr=t=>t[0],Xr=t=>t[1];class Kr{constructor(t,e=Wr,r=Xr,n=64,o=Float64Array){this.nodeSize=n,this.points=t;const i=t.length<65536?Uint16Array:Uint32Array,s=this.ids=new i(t.length),a=this.coords=new o(2*t.length);for(let n=0;n<t.length;n++)s[n]=n,a[2*n]=e(t[n]),a[2*n+1]=r(t[n]);Gr(s,a,n,0,s.length-1,0)}range(t,e,r,n){return function(t,e,r,n,o,i,s){const a=[0,t.length-1,0],u=[];let c,f;for(;a.length;){const l=a.pop(),h=a.pop(),p=a.pop();if(h-p<=s){for(let s=p;s<=h;s++)c=e[2*s],f=e[2*s+1],c>=r&&c<=o&&f>=n&&f<=i&&u.push(t[s]);continue}const d=Math.floor((p+h)/2);c=e[2*d],f=e[2*d+1],c>=r&&c<=o&&f>=n&&f<=i&&u.push(t[d]);const m=(l+1)%2;(0===l?r<=c:n<=f)&&(a.push(p),a.push(d-1),a.push(m)),(0===l?o>=c:i>=f)&&(a.push(d+1),a.push(h),a.push(m))}return u}(this.ids,this.coords,t,e,r,n,this.nodeSize)}within(t,e,r){return function(t,e,r,n,o,i){const s=[0,t.length-1,0],a=[],u=o*o;for(;s.length;){const c=s.pop(),f=s.pop(),l=s.pop();if(f-l<=i){for(let o=l;o<=f;o++)Qr(e[2*o],e[2*o+1],r,n)<=u&&a.push(t[o]);continue}const h=Math.floor((l+f)/2),p=e[2*h],d=e[2*h+1];Qr(p,d,r,n)<=u&&a.push(t[h]);const m=(c+1)%2;(0===c?r-o<=p:n-o<=d)&&(s.push(l),s.push(h-1),s.push(m)),(0===c?r+o>=p:n+o>=d)&&(s.push(h+1),s.push(f),s.push(m))}return a}(this.ids,this.coords,t,e,r,this.nodeSize)}}const Hr={minZoom:0,maxZoom:16,minPoints:2,radius:40,extent:512,nodeSize:64,log:!1,generateId:!1,reduce:null,map:t=>t},Jr=Math.fround||($r=new Float32Array(1),t=>($r[0]=+t,$r[0]));var $r;class Yr{constructor(t){this.options=un(Object.create(Hr),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 s=[];for(let e=0;e<t.length;e++)t[e].geometry&&s.push(en(t[e],e));this.trees[n+1]=new Kr(s,cn,fn,o,Float32Array),e&&console.timeEnd(i);for(let t=n;t>=r;t--){const r=+Date.now();s=this._cluster(s,t),this.trees[t]=new Kr(s,cn,fn,o,Float32Array),e&&console.log("z%d: %d clusters in %dms",t,s.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),s=this.getClusters([-180,n,o,i],e);return t.concat(s)}const s=this.trees[this._limitZoom(e)],a=s.range(on(r),sn(i),on(o),sn(n)),u=[];for(const t of a){const e=s.points[t];u.push(e.numPoints?rn(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 s=this.options.radius/(this.options.extent*Math.pow(2,r-1)),a=o.within(i.x,i.y,s),u=[];for(const e of a){const r=o.points[e];r.parentId===t&&u.push(r.numPoints?rn(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:s}=this.options,a=s/i,u=(r-a)/o,c=(r+1+a)/o,f={features:[]};return this._addTileFeatures(n.range((e-a)/o,u,(e+1+a)/o,c),n.points,e,r,o,f),0===e&&this._addTileFeatures(n.range(1-a/o,u,1,c),n.points,o,r,o,f),e===o-1&&this._addTileFeatures(n.range(0,u,a/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 s of t){const t=e[s],a=t.numPoints;let u,c,f;if(a)u=nn(t),c=t.x,f=t.y;else{const e=this.points[t.index];u=e.properties,c=on(e.geometry.coordinates[0]),f=sn(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 h;a?h=t.id:this.options.generateId?h=t.index:this.points[t.index].id&&(h=this.points[t.index].id),void 0!==h&&(l.id=h),i.features.push(l)}}_limitZoom(t){return Math.max(this.options.minZoom,Math.min(+t,this.options.maxZoom+1))}_cluster(t,e){const r=[],{radius:n,extent:o,reduce:i,minPoints:s}=this.options,a=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,a),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>=s){let t=o.x*f,s=o.y*f,a=i&&f>1?this._map(o,!0):null;const h=(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,s+=n.y*c,n.parentId=h,i&&(a||(a=this._map(o,!0)),i(a,this._map(n)))}o.parentId=h,r.push(tn(t/l,s/l,h,l,a))}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?un({},t.properties):t.properties;const r=this.points[t.index].properties,n=this.options.map(r);return e&&n===r?un({},n):n}}function tn(t,e,r,n,o){return{x:Jr(t),y:Jr(e),zoom:1/0,id:r,parentId:-1,numPoints:n,properties:o}}function en(t,e){const[r,n]=t.geometry.coordinates;return{x:Jr(on(r)),y:Jr(sn(n)),zoom:1/0,index:e,parentId:-1}}function rn(t){return{type:"Feature",id:t.id,properties:nn(t),geometry:{type:"Point",coordinates:[(e=t.x,360*(e-.5)),an(t.y)]}};var e}function nn(t){const e=t.numPoints,r=e>=1e4?Math.round(e/1e3)+"k":e>=1e3?Math.round(e/100)/10+"k":e;return un(un({},t.properties),{cluster:!0,cluster_id:t.id,point_count:e,point_count_abbreviated:r})}function on(t){return t/360+.5}function sn(t){const e=Math.sin(t*Math.PI/180),r=.5-.25*Math.log((1+e)/(1-e))/Math.PI;return r<0?0:r>1?1:r}function an(t){const e=(180-360*t)*Math.PI/180;return 360*Math.atan(Math.exp(e))/Math.PI-90}function un(t,e){for(const r in e)t[r]=e[r];return t}function cn(t){return t.x}function fn(t){return t.y}var ln,hn=function t(e,r){if(e===r)return!0;if(e&&r&&"object"==typeof e&&"object"==typeof r){if(e.constructor!==r.constructor)return!1;var n,o,i;if(Array.isArray(e)){if((n=e.length)!=r.length)return!1;for(o=n;0!=o--;)if(!t(e[o],r[o]))return!1;return!0}if(e instanceof Map&&r instanceof Map){if(e.size!==r.size)return!1;for(o of 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Yr(Object.assign({maxZoom:n.maxZoom,radius:a},u)),n.state={zoom:null},n}return n(i,[{key:"calculate",value:function(t){var e=!1;if(!hn(t.markers,this.markers)){e=!0,this.markers=f(t.markers);var r=this.markers.map((function(t){return{type:"Feature",geometry:{type:"Point",coordinates:[t.getPosition().lng(),t.getPosition().lat()]},properties:{marker:t}}}));this.superCluster.load(r)}var n={zoom:t.map.getZoom()};return e||this.state.zoom>this.maxZoom&&n.zoom>this.maxZoom||(e=e||!hn(this.state,n)),this.state=n,e&&(this.clusters=this.cluster(t)),{clusters:this.clusters,changed:e}}},{key:"cluster",value:function(t){var e=t.map;return this.superCluster.getClusters([-180,-90,180,90],e.getZoom()).map(this.transformCluster.bind(this))}},{key:"transformCluster",value:function(t){var e=c(t.geometry.coordinates,2),r=e[0],n=e[1],o=t.properties;if(o.cluster)return new Re({markers:this.superCluster.getLeaves(o.cluster_id,1/0).map((function(t){return t.properties.marker})),position:new 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for(var d={};o.length<e;){var m=Math.floor(Math.random()*f);d[m]||(d[m]=!0,o.push(t[m]))}do{Or(e,0,p);for(var g=0;g<f;g++){for(var v=1/0,y=0,b=0;b<e;b++){(a=h?Mr(t[g],o[b]):Math.abs(t[g]-o[b]))<=v&&(v=a,y=b)}s[g]=y,p[y]++}for(var _=[],w=(i=[],0);w<e;w++)_[w]=h?Or(l,0,_[w]):0,i[w]=o[w];if(h){for(var k=0;k<e;k++)o[k]=[];for(var M=0;M<f;M++)for(var x=_[s[M]],P=t[M],O=0;O<l;O++)x[O]+=P[O];u=!0;for(var S=0;S<e;S++){for(var E=o[S],C=_[S],j=i[S],A=p[S],L=0;L<l;L++)E[L]=C[L]/A||0;if(u)for(var T=0;T<l;T++)if(j[T]!=E[T]){u=!1;break}}}else{for(var I=0;I<f;I++){_[s[I]]+=t[I]}for(var N=0;N<e;N++)o[N]=_[N]/p[N]||0;u=!0;for(var D=0;D<e;D++)if(i[D]!=o[D]){u=!1;break}}u=u||--c<=0}while(!u);return{it:1e4-c,k:e,idxs:s,centroids:o}};var Er=function(t){o(i,t);var r=u(i);function i(t){var n;e(this,i);var o=t.numberOfClusters,s=Ne(t,["numberOfClusters"]);return(n=r.call(this,s)).numberOfClusters=o,n}return n(i,[{key:"cluster",value:function(t){var e=t.markers,r=t.map,n=[];return 0===e.length||function(t,e){void 0===e&&(e={});var r=t.features.length;e.numberOfClusters=e.numberOfClusters||Math.round(Math.sqrt(r/2)),e.numberOfClusters>r&&(e.numberOfClusters=r),!0!==e.mutate&&(t=pr(t));var n=br(t),o=n.slice(0,e.numberOfClusters),i=Sr(n,e.numberOfClusters,o),s={};return i.centroids.forEach((function(t,e){s[e]=t})),function(t,e){if("Feature"===t.type)e(t,0);else if("FeatureCollection"===t.type)for(var r=0;r<t.features.length&&!1!==e(t.features[r],r);r++);}(t,(function(t,e){var r=i.idxs[e];t.properties.cluster=r,t.properties.centroid=s[r]})),t}(ur(e.map((function(t){return ar([t.getPosition().lng(),t.getPosition().lat()])}))),{numberOfClusters:this.numberOfClusters instanceof Function?this.numberOfClusters(e.length,r.getZoom()):this.numberOfClusters}).features.forEach((function(t,r){n[t.properties.cluster]||(n[t.properties.cluster]=new Re({position:{lng:t.properties.centroid[0],lat:t.properties.centroid[1]},markers:[]})),n[t.properties.cluster].push(e[r])})),n}}]),i}(We),Cr=Object.keys||function(t){return $t(t,Yt)},jr=Object.assign,Ar=Object.defineProperty,Lr=!jr||b((function(){if(_&&1!==jr({b:1},jr(Ar({},"a",{enumerable:!0,get:function(){Ar(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!=jr({},t)[r]||Cr(jr({},e)).join("")!=n}))?function(t,e){for(var r=K(t),n=arguments.length,o=1,i=re.f,s=M.f;n>o;)for(var a,u=E(arguments[o++]),c=i?Cr(u).concat(i(u)):Cr(u),f=c.length,l=0;f>l;)a=c[l++],_&&!s.call(u,a)||(r[a]=u[a]);return r}:jr;function Tr(t){if(!t)throw new Error("coord is required");if(!Array.isArray(t)){if("Feature"===t.type&&null!==t.geometry&&"Point"===t.geometry.type)return t.geometry.coordinates;if("Point"===t.type)return t.coordinates}if(Array.isArray(t)&&t.length>=2&&!Array.isArray(t[0])&&!Array.isArray(t[1]))return t;throw new Error("coord must be GeoJSON Point or an Array of numbers")}function Ir(t,e,r){void 0===r&&(r={});var n=Tr(t),o=Tr(e),i=fr(o[1]-n[1]),s=fr(o[0]-n[0]),a=fr(n[1]),u=fr(o[1]),c=Math.pow(Math.sin(i/2),2)+Math.pow(Math.sin(s/2),2)*Math.cos(a)*Math.cos(u);return cr(2*Math.atan2(Math.sqrt(c),Math.sqrt(1-c)),r.units)}pe({target:"Object",stat:!0,forced:Object.assign!==Lr},{assign:Lr});var Nr=d((function(t){function e(t,e,r,n){this.dataset=[],this.epsilon=1,this.minPts=2,this.distance=this._euclideanDistance,this.clusters=[],this.noise=[],this._visited=[],this._assigned=[],this._datasetLength=0,this._init(t,e,r,n)}e.prototype.run=function(t,e,r,n){this._init(t,e,r,n);for(var o=0;o<this._datasetLength;o++)if(1!==this._visited[o]){this._visited[o]=1;var i=this._regionQuery(o);if(i.length<this.minPts)this.noise.push(o);else{var s=this.clusters.length;this.clusters.push([]),this._addToCluster(o,s),this._expandCluster(s,i)}}return this.clusters},e.prototype._init=function(t,e,r,n){if(t){if(!(t instanceof Array))throw Error("Dataset must be of type array, "+typeof t+" given");this.dataset=t,this.clusters=[],this.noise=[],this._datasetLength=t.length,this._visited=new Array(this._datasetLength),this._assigned=new Array(this._datasetLength)}e&&(this.epsilon=e),r&&(this.minPts=r),n&&(this.distance=n)},e.prototype._expandCluster=function(t,e){for(var r=0;r<e.length;r++){var n=e[r];if(1!==this._visited[n]){this._visited[n]=1;var o=this._regionQuery(n);o.length>=this.minPts&&(e=this._mergeArrays(e,o))}1!==this._assigned[n]&&this._addToCluster(n,t)}},e.prototype._addToCluster=function(t,e){this.clusters[e].push(t),this._assigned[t]=1},e.prototype._regionQuery=function(t){for(var e=[],r=0;r<this._datasetLength;r++){this.distance(this.dataset[t],this.dataset[r])<this.epsilon&&e.push(r)}return e},e.prototype._mergeArrays=function(t,e){for(var r=e.length,n=0;n<r;n++){var o=e[n];t.indexOf(o)<0&&t.push(o)}return t},e.prototype._euclideanDistance=function(t,e){for(var r=0,n=Math.min(t.length,e.length);n--;)r+=(t[n]-e[n])*(t[n]-e[n]);return Math.sqrt(r)},t.exports&&(t.exports=e)})),Dr=d((function(t){function e(t,e,r){this.k=3,this.dataset=[],this.assignments=[],this.centroids=[],this.init(t,e,r)}e.prototype.init=function(t,e,r){this.assignments=[],this.centroids=[],void 0!==t&&(this.dataset=t),void 0!==e&&(this.k=e),void 0!==r&&(this.distance=r)},e.prototype.run=function(t,e){this.init(t,e);for(var r=this.dataset.length,n=0;n<this.k;n++)this.centroids[n]=this.randomCentroid();for(var o=!0;o;){o=this.assign();for(var i=0;i<this.k;i++){for(var s=new Array(f),a=0,u=0;u<f;u++)s[u]=0;for(var c=0;c<r;c++){var f=this.dataset[c].length;if(i===this.assignments[c]){for(u=0;u<f;u++)s[u]+=this.dataset[c][u];a++}}if(a>0){for(u=0;u<f;u++)s[u]/=a;this.centroids[i]=s}else this.centroids[i]=this.randomCentroid(),o=!0}}return this.getClusters()},e.prototype.randomCentroid=function(){var t,e,r=this.dataset.length-1;do{e=Math.round(Math.random()*r),t=this.dataset[e]}while(this.centroids.indexOf(t)>=0);return t},e.prototype.assign=function(){for(var t,e=!1,r=this.dataset.length,n=0;n<r;n++)(t=this.argmin(this.dataset[n],this.centroids,this.distance))!=this.assignments[n]&&(this.assignments[n]=t,e=!0);return e},e.prototype.getClusters=function(){for(var t,e=new Array(this.k),r=0;r<this.assignments.length;r++)void 0===e[t=this.assignments[r]]&&(e[t]=[]),e[t].push(r);return e},e.prototype.argmin=function(t,e,r){for(var n,o=Number.MAX_VALUE,i=0,s=e.length,a=0;a<s;a++)(n=r(t,e[a]))<o&&(o=n,i=a);return i},e.prototype.distance=function(t,e){for(var r=0,n=Math.min(t.length,e.length);n--;){var o=t[n]-e[n];r+=o*o}return Math.sqrt(r)},t.exports&&(t.exports=e)})),Fr=d((function(t){function e(t,e,r){this._queue=[],this._priorities=[],this._sorting="desc",this._init(t,e,r)}e.prototype.insert=function(t,e){for(var r=this._queue.length,n=r;n--;){var o=this._priorities[n];"desc"===this._sorting?e>o&&(r=n):e<o&&(r=n)}this._insertAt(t,e,r)},e.prototype.remove=function(t){for(var e=this._queue.length;e--;){if(t===this._queue[e]){this._queue.splice(e,1),this._priorities.splice(e,1);break}}},e.prototype.forEach=function(t){this._queue.forEach(t)},e.prototype.getElements=function(){return this._queue},e.prototype.getElementPriority=function(t){return this._priorities[t]},e.prototype.getPriorities=function(){return this._priorities},e.prototype.getElementsWithPriorities=function(){for(var t=[],e=0,r=this._queue.length;e<r;e++)t.push([this._queue[e],this._priorities[e]]);return t},e.prototype._init=function(t,e,r){if(t&&e){if(this._queue=[],this._priorities=[],t.length!==e.length)throw new Error("Arrays must have the same length");for(var n=0;n<t.length;n++)this.insert(t[n],e[n])}r&&(this._sorting=r)},e.prototype._insertAt=function(t,e,r){this._queue.length===r?(this._queue.push(t),this._priorities.push(e)):(this._queue.splice(r,0,t),this._priorities.splice(r,0,e))},t.exports&&(t.exports=e)})),zr=d((function(t){if(t.exports)var e=Fr;function r(t,e,r,n){this.epsilon=1,this.minPts=1,this.distance=this._euclideanDistance,this._reachability=[],this._processed=[],this._coreDistance=0,this._orderedList=[],this._init(t,e,r,n)}r.prototype.run=function(t,r,n,o){this._init(t,r,n,o);for(var i=0,s=this.dataset.length;i<s;i++)if(1!==this._processed[i]){this._processed[i]=1,this.clusters.push([i]);var a=this.clusters.length-1;this._orderedList.push(i);var u=new e(null,null,"asc"),c=this._regionQuery(i);void 0!==this._distanceToCore(i)&&(this._updateQueue(i,c,u),this._expandCluster(a,u))}return this.clusters},r.prototype.getReachabilityPlot=function(){for(var t=[],e=0,r=this._orderedList.length;e<r;e++){var n=this._orderedList[e],o=this._reachability[n];t.push([n,o])}return t},r.prototype._init=function(t,e,r,n){if(t){if(!(t instanceof Array))throw Error("Dataset must be of type array, "+typeof t+" given");this.dataset=t,this.clusters=[],this._reachability=new Array(this.dataset.length),this._processed=new Array(this.dataset.length),this._coreDistance=0,this._orderedList=[]}e&&(this.epsilon=e),r&&(this.minPts=r),n&&(this.distance=n)},r.prototype._updateQueue=function(t,e,r){var n=this;this._coreDistance=this._distanceToCore(t),e.forEach((function(e){if(void 0===n._processed[e]){var o=n.distance(n.dataset[t],n.dataset[e]),i=Math.max(n._coreDistance,o);void 0===n._reachability[e]?(n._reachability[e]=i,r.insert(e,i)):i<n._reachability[e]&&(n._reachability[e]=i,r.remove(e),r.insert(e,i))}}))},r.prototype._expandCluster=function(t,e){for(var r=e.getElements(),n=0,o=r.length;n<o;n++){var i=r[n];if(void 0===this._processed[i]){var s=this._regionQuery(i);this._processed[i]=1,this.clusters[t].push(i),this._orderedList.push(i),void 0!==this._distanceToCore(i)&&(this._updateQueue(i,s,e),this._expandCluster(t,e))}}},r.prototype._distanceToCore=function(t){for(var e=this.epsilon,r=0;r<e;r++){if(this._regionQuery(t,r).length>=this.minPts)return r}},r.prototype._regionQuery=function(t,e){e=e||this.epsilon;for(var r=[],n=0,o=this.dataset.length;n<o;n++)this.distance(this.dataset[t],this.dataset[n])<e&&r.push(n);return r},r.prototype._euclideanDistance=function(t,e){for(var r=0,n=Math.min(t.length,e.length);n--;)r+=(t[n]-e[n])*(t[n]-e[n]);return Math.sqrt(r)},t.exports&&(t.exports=r)})),Rr=d((function(t){t.exports&&(t.exports={DBSCAN:Nr,KMEANS:Dr,OPTICS:zr,PriorityQueue:Fr})}));Rr.DBSCAN,Rr.KMEANS,Rr.OPTICS,Rr.PriorityQueue;var Zr={units:"kilometers",mutate:!1,minPoints:1},qr=function(t){o(i,t);var r=u(i);function i(t){var n;e(this,i);var o=t.maxDistance,s=void 0===o?200:o,a=t.minPoints,u=void 0===a?Zr.minPoints:a,c=Ne(t,["maxDistance","minPoints"]);return(n=r.call(this,c)).maxDistance=s,n.options=Object.assign(Object.assign({},Zr),{minPoints:u}),n}return n(i,[{key:"cluster",value:function(t){var e=t.markers,r=t.mapCanvasProjection,n=ur(e.map((function(t){var e=r.fromLatLngToContainerPixel(t.getPosition());return ar([e.x,e.y])}))),o=[];return function(t,e,r){void 0===r&&(r={}),!0!==r.mutate&&(t=pr(t)),r.minPoints=r.minPoints||3;var n=new Rr.DBSCAN,o=n.run(br(t),lr(e,r.units),r.minPoints,Ir),i=-1;return o.forEach((function(e){i++,e.forEach((function(e){var r=t.features[e];r.properties||(r.properties={}),r.properties.cluster=i,r.properties.dbscan="core"}))})),n.noise.forEach((function(e){var r=t.features[e];r.properties||(r.properties={}),r.properties.cluster?r.properties.dbscan="edge":r.properties.dbscan="noise"})),t}(n,this.maxDistance,this.options).features.forEach((function(t,r){o[t.properties.cluster]||(o[t.properties.cluster]=[]),o[t.properties.cluster].push(e[r])})),o.map((function(t){return new Re({markers:t})}))}}]),i}(We);function Gr(t,e,r,n,o,i){if(o-n<=r)return;const s=n+o>>1;Br(t,e,s,n,o,i%2),Gr(t,e,r,n,s-1,i+1),Gr(t,e,r,s+1,o,i+1)}function Br(t,e,r,n,o,i){for(;o>n;){if(o-n>600){const s=o-n+1,a=r-n+1,u=Math.log(s),c=.5*Math.exp(2*u/3),f=.5*Math.sqrt(u*c*(s-c)/s)*(a-s/2<0?-1:1);Br(t,e,r,Math.max(n,Math.floor(r-a*c/s+f)),Math.min(o,Math.floor(r+(s-a)*c/s+f)),i)}const s=e[2*r+i];let a=n,u=o;for(Vr(t,e,n,r),e[2*o+i]>s&&Vr(t,e,n,o);a<u;){for(Vr(t,e,a,u),a++,u--;e[2*a+i]<s;)a++;for(;e[2*u+i]>s;)u--}e[2*n+i]===s?Vr(t,e,n,u):(u++,Vr(t,e,u,o)),u<=r&&(n=u+1),r<=u&&(o=u-1)}}function Vr(t,e,r,n){Ur(t,r,n),Ur(e,2*r,2*n),Ur(e,2*r+1,2*n+1)}function Ur(t,e,r){const n=t[e];t[e]=t[r],t[r]=n}function Qr(t,e,r,n){const o=t-r,i=e-n;return o*o+i*i}const Wr=t=>t[0],Xr=t=>t[1];class Kr{constructor(t,e=Wr,r=Xr,n=64,o=Float64Array){this.nodeSize=n,this.points=t;const i=t.length<65536?Uint16Array:Uint32Array,s=this.ids=new i(t.length),a=this.coords=new o(2*t.length);for(let n=0;n<t.length;n++)s[n]=n,a[2*n]=e(t[n]),a[2*n+1]=r(t[n]);Gr(s,a,n,0,s.length-1,0)}range(t,e,r,n){return function(t,e,r,n,o,i,s){const a=[0,t.length-1,0],u=[];let c,f;for(;a.length;){const l=a.pop(),h=a.pop(),p=a.pop();if(h-p<=s){for(let s=p;s<=h;s++)c=e[2*s],f=e[2*s+1],c>=r&&c<=o&&f>=n&&f<=i&&u.push(t[s]);continue}const d=Math.floor((p+h)/2);c=e[2*d],f=e[2*d+1],c>=r&&c<=o&&f>=n&&f<=i&&u.push(t[d]);const m=(l+1)%2;(0===l?r<=c:n<=f)&&(a.push(p),a.push(d-1),a.push(m)),(0===l?o>=c:i>=f)&&(a.push(d+1),a.push(h),a.push(m))}return u}(this.ids,this.coords,t,e,r,n,this.nodeSize)}within(t,e,r){return function(t,e,r,n,o,i){const s=[0,t.length-1,0],a=[],u=o*o;for(;s.length;){const c=s.pop(),f=s.pop(),l=s.pop();if(f-l<=i){for(let o=l;o<=f;o++)Qr(e[2*o],e[2*o+1],r,n)<=u&&a.push(t[o]);continue}const h=Math.floor((l+f)/2),p=e[2*h],d=e[2*h+1];Qr(p,d,r,n)<=u&&a.push(t[h]);const m=(c+1)%2;(0===c?r-o<=p:n-o<=d)&&(s.push(l),s.push(h-1),s.push(m)),(0===c?r+o>=p:n+o>=d)&&(s.push(h+1),s.push(f),s.push(m))}return a}(this.ids,this.coords,t,e,r,this.nodeSize)}}const Hr={minZoom:0,maxZoom:16,minPoints:2,radius:40,extent:512,nodeSize:64,log:!1,generateId:!1,reduce:null,map:t=>t},Jr=Math.fround||($r=new Float32Array(1),t=>($r[0]=+t,$r[0]));var $r;class Yr{constructor(t){this.options=un(Object.create(Hr),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 s=[];for(let e=0;e<t.length;e++)t[e].geometry&&s.push(en(t[e],e));this.trees[n+1]=new Kr(s,cn,fn,o,Float32Array),e&&console.timeEnd(i);for(let t=n;t>=r;t--){const r=+Date.now();s=this._cluster(s,t),this.trees[t]=new Kr(s,cn,fn,o,Float32Array),e&&console.log("z%d: %d clusters in %dms",t,s.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),s=this.getClusters([-180,n,o,i],e);return t.concat(s)}const s=this.trees[this._limitZoom(e)],a=s.range(on(r),sn(i),on(o),sn(n)),u=[];for(const t of a){const e=s.points[t];u.push(e.numPoints?rn(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 s=this.options.radius/(this.options.extent*Math.pow(2,r-1)),a=o.within(i.x,i.y,s),u=[];for(const e of a){const r=o.points[e];r.parentId===t&&u.push(r.numPoints?rn(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:s}=this.options,a=s/i,u=(r-a)/o,c=(r+1+a)/o,f={features:[]};return this._addTileFeatures(n.range((e-a)/o,u,(e+1+a)/o,c),n.points,e,r,o,f),0===e&&this._addTileFeatures(n.range(1-a/o,u,1,c),n.points,o,r,o,f),e===o-1&&this._addTileFeatures(n.range(0,u,a/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 s of t){const t=e[s],a=t.numPoints;let u,c,f;if(a)u=nn(t),c=t.x,f=t.y;else{const e=this.points[t.index];u=e.properties,c=on(e.geometry.coordinates[0]),f=sn(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 h;a?h=t.id:this.options.generateId?h=t.index:this.points[t.index].id&&(h=this.points[t.index].id),void 0!==h&&(l.id=h),i.features.push(l)}}_limitZoom(t){return Math.max(this.options.minZoom,Math.min(+t,this.options.maxZoom+1))}_cluster(t,e){const r=[],{radius:n,extent:o,reduce:i,minPoints:s}=this.options,a=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,a),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>=s){let t=o.x*f,s=o.y*f,a=i&&f>1?this._map(o,!0):null;const h=(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,s+=n.y*c,n.parentId=h,i&&(a||(a=this._map(o,!0)),i(a,this._map(n)))}o.parentId=h,r.push(tn(t/l,s/l,h,l,a))}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?un({},t.properties):t.properties;const r=this.points[t.index].properties,n=this.options.map(r);return e&&n===r?un({},n):n}}function tn(t,e,r,n,o){return{x:Jr(t),y:Jr(e),zoom:1/0,id:r,parentId:-1,numPoints:n,properties:o}}function en(t,e){const[r,n]=t.geometry.coordinates;return{x:Jr(on(r)),y:Jr(sn(n)),zoom:1/0,index:e,parentId:-1}}function rn(t){return{type:"Feature",id:t.id,properties:nn(t),geometry:{type:"Point",coordinates:[(e=t.x,360*(e-.5)),an(t.y)]}};var e}function nn(t){const e=t.numPoints,r=e>=1e4?Math.round(e/1e3)+"k":e>=1e3?Math.round(e/100)/10+"k":e;return un(un({},t.properties),{cluster:!0,cluster_id:t.id,point_count:e,point_count_abbreviated:r})}function on(t){return t/360+.5}function sn(t){const e=Math.sin(t*Math.PI/180),r=.5-.25*Math.log((1+e)/(1-e))/Math.PI;return r<0?0:r>1?1:r}function an(t){const e=(180-360*t)*Math.PI/180;return 360*Math.atan(Math.exp(e))/Math.PI-90}function un(t,e){for(const r in e)t[r]=e[r];return t}function cn(t){return t.x}function fn(t){return t.y}var ln,hn=function t(e,r){if(e===r)return!0;if(e&&r&&"object"==typeof e&&"object"==typeof r){if(e.constructor!==r.constructor)return!1;var n,o,i;if(Array.isArray(e)){if((n=e.length)!=r.length)return!1;for(o=n;0!=o--;)if(!t(e[o],r[o]))return!1;return!0}if(e instanceof Map&&r instanceof Map){if(e.size!==r.size)return!1;for(o of 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Nn&&A(n=e.constructor)&&n!==r&&L(o=n.prototype)&&o!==r.prototype&&Nn(t,o),t},Fn=1..valueOf,zn=function(t){return Fn.call(t)},Rn="[\t\n\v\f\r                　\u2028\u2029\ufeff]",Zn=RegExp("^"+Rn+Rn+"*"),qn=RegExp(Rn+Rn+"*$"),Gn=function(t){return function(e){var r=Sn(C(e));return 1&t&&(r=r.replace(Zn,"")),2&t&&(r=r.replace(qn,"")),r}},Bn={start:Gn(1),end:Gn(2),trim:Gn(3)},Vn=ee.f,Un=pt.f,Qn=gt.f,Wn=Bn.trim,Xn="Number",Kn=y.Number,Hn=Kn.prototype,Jn=function(t){var e=st(t,"number");return"bigint"==typeof e?e:$n(e)},$n=function(t){var e,r,n,o,i,s,a,u,c=st(t,"number");if(B(c))throw TypeError("Cannot convert a Symbol value to a number");if("string"==typeof c&&c.length>2)if(43===(e=(c=Wn(c)).charCodeAt(0))||45===e){if(88===(r=c.charCodeAt(2))||120===r)return NaN}else if(48===e){switch(c.charCodeAt(1)){case 66:case 98:n=2,o=49;break;case 79:case 111:n=8,o=55;break;default:return+c}for(s=(i=c.slice(2)).length,a=0;a<s;a++)if((u=i.charCodeAt(a))<48||u>o)return NaN;return parseInt(i,n)}return+c};if(le(Xn,!Kn(" 0o1")||!Kn("0b1")||Kn("+0x1"))){for(var Yn,to=function(t){var e=arguments.length<1?0:Kn(Jn(t)),r=this;return r instanceof to&&b((function(){zn(r)}))?Dn(Object(e),r,to):e},eo=_?Vn(Kn):"MAX_VALUE,MIN_VALUE,NaN,NEGATIVE_INFINITY,POSITIVE_INFINITY,EPSILON,MAX_SAFE_INTEGER,MIN_SAFE_INTEGER,isFinite,isInteger,isNaN,isSafeInteger,parseFloat,parseInt,fromString,range".split(","),ro=0;eo.length>ro;ro++)J(Kn,Yn=eo[ro])&&!J(to,Yn)&&Qn(to,Yn,Un(Kn,Yn));to.prototype=Hn,Hn.constructor=to,Zt(y,Xn,to)}var no=function t(r,n){e(this,t),this.markers={sum:r.length};var o=n.map((function(t){return t.count})),i=o.reduce((function(t,e){return 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))}}},oo=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"},zIndex:Number(google.maps.Marker.MAX_ZINDEX)+r})}}]),t}();var io,so=function t(){e(this,t),function(t,e){for(var r in e.prototype)t.prototype[r]=e.prototype[r]}(t,google.maps.OverlayView)};t.MarkerClustererEvents=void 0,(io=t.MarkerClustererEvents||(t.MarkerClustererEvents={})).CLUSTERING_BEGIN="clusteringbegin",io.CLUSTERING_END="clusteringend",io.CLUSTER_CLICK="click";var ao=function(t,e,r){r.fitBounds(e.bounds)},uo=function(r){o(s,r);var i=u(s);function s(t){var r,n=t.map,o=t.markers,a=void 0===o?[]:o,u=t.algorithm,c=void 0===u?new pn({}):u,l=t.renderer,h=void 0===l?new oo:l,p=t.onClusterClick,d=void 0===p?ao:p;return e(this,s),(r=i.call(this)).markers=f(a),r.clusters=[],r.algorithm=c,r.renderer=h,r.onClusterClick=d,n&&r.setMap(n),r}return n(s,[{key:"addMarker",value:function(t,e){this.markers.includes(t)||(this.markers.push(t),e||this.render())}},{key:"addMarkers",value:function(t,e){var r=this;t.forEach((function(t){r.addMarker(t,!0)})),e||this.render()}},{key:"removeMarker",value:function(t,e){var 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.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 no(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)}))}}]),s}(so);t.AbstractAlgorithm=Qe,t.AbstractViewportAlgorithm=We,t.Cluster=Re,t.ClusterStats=no,t.DBScanAlgorithm=qr,t.DefaultRenderer=oo,t.GridAlgorithm=nr,t.KmeansAlgorithm=Er,t.MarkerClusterer=uo,t.NoopAlgorithm=or,t.SuperClusterAlgorithm=pn,t.defaultOnClusterClickHandler=ao,t.distanceBetweenPoints=Ge,t.extendBoundsToPaddedViewport=qe,t.extendPixelBounds=Ve,t.filterMarkersToPaddedViewport=Ze,t.noop=Xe,t.pixelBoundsToLatLngBounds=Ue,Object.defineProperty(t,"__esModule",{value:!0})}));
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for(var d={};o.length<e;){var m=Math.floor(Math.random()*f);d[m]||(d[m]=!0,o.push(t[m]))}do{Or(e,0,p);for(var g=0;g<f;g++){for(var v=1/0,y=0,b=0;b<e;b++){(a=h?Mr(t[g],o[b]):Math.abs(t[g]-o[b]))<=v&&(v=a,y=b)}s[g]=y,p[y]++}for(var _=[],w=(i=[],0);w<e;w++)_[w]=h?Or(l,0,_[w]):0,i[w]=o[w];if(h){for(var k=0;k<e;k++)o[k]=[];for(var M=0;M<f;M++)for(var x=_[s[M]],P=t[M],O=0;O<l;O++)x[O]+=P[O];u=!0;for(var S=0;S<e;S++){for(var E=o[S],C=_[S],j=i[S],A=p[S],L=0;L<l;L++)E[L]=C[L]/A||0;if(u)for(var T=0;T<l;T++)if(j[T]!=E[T]){u=!1;break}}}else{for(var I=0;I<f;I++){_[s[I]]+=t[I]}for(var N=0;N<e;N++)o[N]=_[N]/p[N]||0;u=!0;for(var D=0;D<e;D++)if(i[D]!=o[D]){u=!1;break}}u=u||--c<=0}while(!u);return{it:1e4-c,k:e,idxs:s,centroids:o}};var Er=function(t){o(i,t);var r=u(i);function i(t){var n;e(this,i);var o=t.numberOfClusters,s=Ne(t,["numberOfClusters"]);return(n=r.call(this,s)).numberOfClusters=o,n}return n(i,[{key:"cluster",value:function(t){var e=t.markers,r=t.map,n=[];return 0===e.length||function(t,e){void 0===e&&(e={});var r=t.features.length;e.numberOfClusters=e.numberOfClusters||Math.round(Math.sqrt(r/2)),e.numberOfClusters>r&&(e.numberOfClusters=r),!0!==e.mutate&&(t=pr(t));var n=br(t),o=n.slice(0,e.numberOfClusters),i=Sr(n,e.numberOfClusters,o),s={};return i.centroids.forEach((function(t,e){s[e]=t})),function(t,e){if("Feature"===t.type)e(t,0);else if("FeatureCollection"===t.type)for(var r=0;r<t.features.length&&!1!==e(t.features[r],r);r++);}(t,(function(t,e){var r=i.idxs[e];t.properties.cluster=r,t.properties.centroid=s[r]})),t}(ur(e.map((function(t){return ar([t.getPosition().lng(),t.getPosition().lat()])}))),{numberOfClusters:this.numberOfClusters instanceof Function?this.numberOfClusters(e.length,r.getZoom()):this.numberOfClusters}).features.forEach((function(t,r){n[t.properties.cluster]||(n[t.properties.cluster]=new 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s=this.clusters.length;this.clusters.push([]),this._addToCluster(o,s),this._expandCluster(s,i)}}return this.clusters},e.prototype._init=function(t,e,r,n){if(t){if(!(t instanceof Array))throw Error("Dataset must be of type array, "+typeof t+" given");this.dataset=t,this.clusters=[],this.noise=[],this._datasetLength=t.length,this._visited=new Array(this._datasetLength),this._assigned=new Array(this._datasetLength)}e&&(this.epsilon=e),r&&(this.minPts=r),n&&(this.distance=n)},e.prototype._expandCluster=function(t,e){for(var r=0;r<e.length;r++){var n=e[r];if(1!==this._visited[n]){this._visited[n]=1;var o=this._regionQuery(n);o.length>=this.minPts&&(e=this._mergeArrays(e,o))}1!==this._assigned[n]&&this._addToCluster(n,t)}},e.prototype._addToCluster=function(t,e){this.clusters[e].push(t),this._assigned[t]=1},e.prototype._regionQuery=function(t){for(var e=[],r=0;r<this._datasetLength;r++){this.distance(this.dataset[t],this.dataset[r])<this.epsilon&&e.push(r)}return e},e.prototype._mergeArrays=function(t,e){for(var r=e.length,n=0;n<r;n++){var o=e[n];t.indexOf(o)<0&&t.push(o)}return t},e.prototype._euclideanDistance=function(t,e){for(var r=0,n=Math.min(t.length,e.length);n--;)r+=(t[n]-e[n])*(t[n]-e[n]);return Math.sqrt(r)},t.exports&&(t.exports=e)})),Dr=d((function(t){function e(t,e,r){this.k=3,this.dataset=[],this.assignments=[],this.centroids=[],this.init(t,e,r)}e.prototype.init=function(t,e,r){this.assignments=[],this.centroids=[],void 0!==t&&(this.dataset=t),void 0!==e&&(this.k=e),void 0!==r&&(this.distance=r)},e.prototype.run=function(t,e){this.init(t,e);for(var r=this.dataset.length,n=0;n<this.k;n++)this.centroids[n]=this.randomCentroid();for(var o=!0;o;){o=this.assign();for(var i=0;i<this.k;i++){for(var s=new Array(f),a=0,u=0;u<f;u++)s[u]=0;for(var c=0;c<r;c++){var f=this.dataset[c].length;if(i===this.assignments[c]){for(u=0;u<f;u++)s[u]+=this.dataset[c][u];a++}}if(a>0){for(u=0;u<f;u++)s[u]/=a;this.centroids[i]=s}else this.centroids[i]=this.randomCentroid(),o=!0}}return this.getClusters()},e.prototype.randomCentroid=function(){var t,e,r=this.dataset.length-1;do{e=Math.round(Math.random()*r),t=this.dataset[e]}while(this.centroids.indexOf(t)>=0);return t},e.prototype.assign=function(){for(var t,e=!1,r=this.dataset.length,n=0;n<r;n++)(t=this.argmin(this.dataset[n],this.centroids,this.distance))!=this.assignments[n]&&(this.assignments[n]=t,e=!0);return e},e.prototype.getClusters=function(){for(var t,e=new Array(this.k),r=0;r<this.assignments.length;r++)void 0===e[t=this.assignments[r]]&&(e[t]=[]),e[t].push(r);return e},e.prototype.argmin=function(t,e,r){for(var n,o=Number.MAX_VALUE,i=0,s=e.length,a=0;a<s;a++)(n=r(t,e[a]))<o&&(o=n,i=a);return i},e.prototype.distance=function(t,e){for(var r=0,n=Math.min(t.length,e.length);n--;){var o=t[n]-e[n];r+=o*o}return Math.sqrt(r)},t.exports&&(t.exports=e)})),Fr=d((function(t){function e(t,e,r){this._queue=[],this._priorities=[],this._sorting="desc",this._init(t,e,r)}e.prototype.insert=function(t,e){for(var r=this._queue.length,n=r;n--;){var o=this._priorities[n];"desc"===this._sorting?e>o&&(r=n):e<o&&(r=n)}this._insertAt(t,e,r)},e.prototype.remove=function(t){for(var e=this._queue.length;e--;){if(t===this._queue[e]){this._queue.splice(e,1),this._priorities.splice(e,1);break}}},e.prototype.forEach=function(t){this._queue.forEach(t)},e.prototype.getElements=function(){return this._queue},e.prototype.getElementPriority=function(t){return this._priorities[t]},e.prototype.getPriorities=function(){return this._priorities},e.prototype.getElementsWithPriorities=function(){for(var t=[],e=0,r=this._queue.length;e<r;e++)t.push([this._queue[e],this._priorities[e]]);return t},e.prototype._init=function(t,e,r){if(t&&e){if(this._queue=[],this._priorities=[],t.length!==e.length)throw new Error("Arrays must have the same length");for(var n=0;n<t.length;n++)this.insert(t[n],e[n])}r&&(this._sorting=r)},e.prototype._insertAt=function(t,e,r){this._queue.length===r?(this._queue.push(t),this._priorities.push(e)):(this._queue.splice(r,0,t),this._priorities.splice(r,0,e))},t.exports&&(t.exports=e)})),zr=d((function(t){if(t.exports)var e=Fr;function r(t,e,r,n){this.epsilon=1,this.minPts=1,this.distance=this._euclideanDistance,this._reachability=[],this._processed=[],this._coreDistance=0,this._orderedList=[],this._init(t,e,r,n)}r.prototype.run=function(t,r,n,o){this._init(t,r,n,o);for(var i=0,s=this.dataset.length;i<s;i++)if(1!==this._processed[i]){this._processed[i]=1,this.clusters.push([i]);var a=this.clusters.length-1;this._orderedList.push(i);var u=new e(null,null,"asc"),c=this._regionQuery(i);void 0!==this._distanceToCore(i)&&(this._updateQueue(i,c,u),this._expandCluster(a,u))}return this.clusters},r.prototype.getReachabilityPlot=function(){for(var t=[],e=0,r=this._orderedList.length;e<r;e++){var n=this._orderedList[e],o=this._reachability[n];t.push([n,o])}return t},r.prototype._init=function(t,e,r,n){if(t){if(!(t instanceof Array))throw Error("Dataset must be of type array, "+typeof t+" given");this.dataset=t,this.clusters=[],this._reachability=new Array(this.dataset.length),this._processed=new Array(this.dataset.length),this._coreDistance=0,this._orderedList=[]}e&&(this.epsilon=e),r&&(this.minPts=r),n&&(this.distance=n)},r.prototype._updateQueue=function(t,e,r){var n=this;this._coreDistance=this._distanceToCore(t),e.forEach((function(e){if(void 0===n._processed[e]){var o=n.distance(n.dataset[t],n.dataset[e]),i=Math.max(n._coreDistance,o);void 0===n._reachability[e]?(n._reachability[e]=i,r.insert(e,i)):i<n._reachability[e]&&(n._reachability[e]=i,r.remove(e),r.insert(e,i))}}))},r.prototype._expandCluster=function(t,e){for(var r=e.getElements(),n=0,o=r.length;n<o;n++){var i=r[n];if(void 0===this._processed[i]){var s=this._regionQuery(i);this._processed[i]=1,this.clusters[t].push(i),this._orderedList.push(i),void 0!==this._distanceToCore(i)&&(this._updateQueue(i,s,e),this._expandCluster(t,e))}}},r.prototype._distanceToCore=function(t){for(var e=this.epsilon,r=0;r<e;r++){if(this._regionQuery(t,r).length>=this.minPts)return r}},r.prototype._regionQuery=function(t,e){e=e||this.epsilon;for(var r=[],n=0,o=this.dataset.length;n<o;n++)this.distance(this.dataset[t],this.dataset[n])<e&&r.push(n);return r},r.prototype._euclideanDistance=function(t,e){for(var r=0,n=Math.min(t.length,e.length);n--;)r+=(t[n]-e[n])*(t[n]-e[n]);return Math.sqrt(r)},t.exports&&(t.exports=r)})),Rr=d((function(t){t.exports&&(t.exports={DBSCAN:Nr,KMEANS:Dr,OPTICS:zr,PriorityQueue:Fr})}));Rr.DBSCAN,Rr.KMEANS,Rr.OPTICS,Rr.PriorityQueue;var Zr={units:"kilometers",mutate:!1,minPoints:1},qr=function(t){o(i,t);var r=u(i);function i(t){var n;e(this,i);var o=t.maxDistance,s=void 0===o?200:o,a=t.minPoints,u=void 0===a?Zr.minPoints:a,c=Ne(t,["maxDistance","minPoints"]);return(n=r.call(this,c)).maxDistance=s,n.options=Object.assign(Object.assign({},Zr),{minPoints:u}),n}return n(i,[{key:"cluster",value:function(t){var e=t.markers,r=t.mapCanvasProjection,n=ur(e.map((function(t){var e=r.fromLatLngToContainerPixel(t.getPosition());return ar([e.x,e.y])}))),o=[];return function(t,e,r){void 0===r&&(r={}),!0!==r.mutate&&(t=pr(t)),r.minPoints=r.minPoints||3;var n=new Rr.DBSCAN,o=n.run(br(t),lr(e,r.units),r.minPoints,Ir),i=-1;return o.forEach((function(e){i++,e.forEach((function(e){var r=t.features[e];r.properties||(r.properties={}),r.properties.cluster=i,r.properties.dbscan="core"}))})),n.noise.forEach((function(e){var r=t.features[e];r.properties||(r.properties={}),r.properties.cluster?r.properties.dbscan="edge":r.properties.dbscan="noise"})),t}(n,this.maxDistance,this.options).features.forEach((function(t,r){o[t.properties.cluster]||(o[t.properties.cluster]=[]),o[t.properties.cluster].push(e[r])})),o.map((function(t){return new Re({markers:t})}))}}]),i}(We);function Gr(t,e,r,n,o,i){if(o-n<=r)return;const s=n+o>>1;Br(t,e,s,n,o,i%2),Gr(t,e,r,n,s-1,i+1),Gr(t,e,r,s+1,o,i+1)}function Br(t,e,r,n,o,i){for(;o>n;){if(o-n>600){const s=o-n+1,a=r-n+1,u=Math.log(s),c=.5*Math.exp(2*u/3),f=.5*Math.sqrt(u*c*(s-c)/s)*(a-s/2<0?-1:1);Br(t,e,r,Math.max(n,Math.floor(r-a*c/s+f)),Math.min(o,Math.floor(r+(s-a)*c/s+f)),i)}const s=e[2*r+i];let a=n,u=o;for(Vr(t,e,n,r),e[2*o+i]>s&&Vr(t,e,n,o);a<u;){for(Vr(t,e,a,u),a++,u--;e[2*a+i]<s;)a++;for(;e[2*u+i]>s;)u--}e[2*n+i]===s?Vr(t,e,n,u):(u++,Vr(t,e,u,o)),u<=r&&(n=u+1),r<=u&&(o=u-1)}}function Vr(t,e,r,n){Ur(t,r,n),Ur(e,2*r,2*n),Ur(e,2*r+1,2*n+1)}function Ur(t,e,r){const n=t[e];t[e]=t[r],t[r]=n}function Qr(t,e,r,n){const o=t-r,i=e-n;return o*o+i*i}const Wr=t=>t[0],Xr=t=>t[1];class Kr{constructor(t,e=Wr,r=Xr,n=64,o=Float64Array){this.nodeSize=n,this.points=t;const i=t.length<65536?Uint16Array:Uint32Array,s=this.ids=new i(t.length),a=this.coords=new o(2*t.length);for(let n=0;n<t.length;n++)s[n]=n,a[2*n]=e(t[n]),a[2*n+1]=r(t[n]);Gr(s,a,n,0,s.length-1,0)}range(t,e,r,n){return function(t,e,r,n,o,i,s){const a=[0,t.length-1,0],u=[];let c,f;for(;a.length;){const l=a.pop(),h=a.pop(),p=a.pop();if(h-p<=s){for(let s=p;s<=h;s++)c=e[2*s],f=e[2*s+1],c>=r&&c<=o&&f>=n&&f<=i&&u.push(t[s]);continue}const d=Math.floor((p+h)/2);c=e[2*d],f=e[2*d+1],c>=r&&c<=o&&f>=n&&f<=i&&u.push(t[d]);const m=(l+1)%2;(0===l?r<=c:n<=f)&&(a.push(p),a.push(d-1),a.push(m)),(0===l?o>=c:i>=f)&&(a.push(d+1),a.push(h),a.push(m))}return u}(this.ids,this.coords,t,e,r,n,this.nodeSize)}within(t,e,r){return function(t,e,r,n,o,i){const s=[0,t.length-1,0],a=[],u=o*o;for(;s.length;){const c=s.pop(),f=s.pop(),l=s.pop();if(f-l<=i){for(let o=l;o<=f;o++)Qr(e[2*o],e[2*o+1],r,n)<=u&&a.push(t[o]);continue}const h=Math.floor((l+f)/2),p=e[2*h],d=e[2*h+1];Qr(p,d,r,n)<=u&&a.push(t[h]);const m=(c+1)%2;(0===c?r-o<=p:n-o<=d)&&(s.push(l),s.push(h-1),s.push(m)),(0===c?r+o>=p:n+o>=d)&&(s.push(h+1),s.push(f),s.push(m))}return a}(this.ids,this.coords,t,e,r,this.nodeSize)}}const Hr={minZoom:0,maxZoom:16,minPoints:2,radius:40,extent:512,nodeSize:64,log:!1,generateId:!1,reduce:null,map:t=>t},Jr=Math.fround||($r=new Float32Array(1),t=>($r[0]=+t,$r[0]));var $r;class Yr{constructor(t){this.options=un(Object.create(Hr),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 s=[];for(let e=0;e<t.length;e++)t[e].geometry&&s.push(en(t[e],e));this.trees[n+1]=new Kr(s,cn,fn,o,Float32Array),e&&console.timeEnd(i);for(let t=n;t>=r;t--){const r=+Date.now();s=this._cluster(s,t),this.trees[t]=new Kr(s,cn,fn,o,Float32Array),e&&console.log("z%d: %d clusters in %dms",t,s.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),s=this.getClusters([-180,n,o,i],e);return t.concat(s)}const s=this.trees[this._limitZoom(e)],a=s.range(on(r),sn(i),on(o),sn(n)),u=[];for(const t of a){const e=s.points[t];u.push(e.numPoints?rn(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 s=this.options.radius/(this.options.extent*Math.pow(2,r-1)),a=o.within(i.x,i.y,s),u=[];for(const e of a){const r=o.points[e];r.parentId===t&&u.push(r.numPoints?rn(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:s}=this.options,a=s/i,u=(r-a)/o,c=(r+1+a)/o,f={features:[]};return this._addTileFeatures(n.range((e-a)/o,u,(e+1+a)/o,c),n.points,e,r,o,f),0===e&&this._addTileFeatures(n.range(1-a/o,u,1,c),n.points,o,r,o,f),e===o-1&&this._addTileFeatures(n.range(0,u,a/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 s of t){const t=e[s],a=t.numPoints;let u,c,f;if(a)u=nn(t),c=t.x,f=t.y;else{const e=this.points[t.index];u=e.properties,c=on(e.geometry.coordinates[0]),f=sn(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 h;a?h=t.id:this.options.generateId?h=t.index:this.points[t.index].id&&(h=this.points[t.index].id),void 0!==h&&(l.id=h),i.features.push(l)}}_limitZoom(t){return Math.max(this.options.minZoom,Math.min(+t,this.options.maxZoom+1))}_cluster(t,e){const r=[],{radius:n,extent:o,reduce:i,minPoints:s}=this.options,a=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,a),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>=s){let t=o.x*f,s=o.y*f,a=i&&f>1?this._map(o,!0):null;const h=(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,s+=n.y*c,n.parentId=h,i&&(a||(a=this._map(o,!0)),i(a,this._map(n)))}o.parentId=h,r.push(tn(t/l,s/l,h,l,a))}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?un({},t.properties):t.properties;const r=this.points[t.index].properties,n=this.options.map(r);return e&&n===r?un({},n):n}}function tn(t,e,r,n,o){return{x:Jr(t),y:Jr(e),zoom:1/0,id:r,parentId:-1,numPoints:n,properties:o}}function en(t,e){const[r,n]=t.geometry.coordinates;return{x:Jr(on(r)),y:Jr(sn(n)),zoom:1/0,index:e,parentId:-1}}function rn(t){return{type:"Feature",id:t.id,properties:nn(t),geometry:{type:"Point",coordinates:[(e=t.x,360*(e-.5)),an(t.y)]}};var e}function nn(t){const e=t.numPoints,r=e>=1e4?Math.round(e/1e3)+"k":e>=1e3?Math.round(e/100)/10+"k":e;return un(un({},t.properties),{cluster:!0,cluster_id:t.id,point_count:e,point_count_abbreviated:r})}function on(t){return t/360+.5}function sn(t){const e=Math.sin(t*Math.PI/180),r=.5-.25*Math.log((1+e)/(1-e))/Math.PI;return r<0?0:r>1?1:r}function an(t){const e=(180-360*t)*Math.PI/180;return 360*Math.atan(Math.exp(e))/Math.PI-90}function un(t,e){for(const r in e)t[r]=e[r];return t}function cn(t){return t.x}function fn(t){return t.y}var ln,hn=function t(e,r){if(e===r)return!0;if(e&&r&&"object"==typeof e&&"object"==typeof r){if(e.constructor!==r.constructor)return!1;var n,o,i;if(Array.isArray(e)){if((n=e.length)!=r.length)return!1;for(o=n;0!=o--;)if(!t(e[o],r[o]))return!1;return!0}if(e instanceof Map&&r instanceof Map){if(e.size!==r.size)return!1;for(o of 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parseInt(i,n)}return+c};if(le(Xn,!Kn(" 0o1")||!Kn("0b1")||Kn("+0x1"))){for(var Yn,to=function(t){var e=arguments.length<1?0:Kn(Jn(t)),r=this;return r instanceof to&&b((function(){zn(r)}))?Dn(Object(e),r,to):e},eo=_?Vn(Kn):"MAX_VALUE,MIN_VALUE,NaN,NEGATIVE_INFINITY,POSITIVE_INFINITY,EPSILON,MAX_SAFE_INTEGER,MIN_SAFE_INTEGER,isFinite,isInteger,isNaN,isSafeInteger,parseFloat,parseInt,fromString,range".split(","),ro=0;eo.length>ro;ro++)J(Kn,Yn=eo[ro])&&!J(to,Yn)&&Qn(to,Yn,Un(Kn,Yn));to.prototype=Hn,Hn.constructor=to,Zt(y,Xn,to)}var no=function t(r,n){e(this,t),this.markers={sum:r.length};var o=n.map((function(t){return t.count})),i=o.reduce((function(t,e){return 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))}}},oo=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"},zIndex:Number(google.maps.Marker.MAX_ZINDEX)+r})}}]),t}();var io,so=function t(){e(this,t),function(t,e){for(var r in e.prototype)t.prototype[r]=e.prototype[r]}(t,google.maps.OverlayView)};t.MarkerClustererEvents=void 0,(io=t.MarkerClustererEvents||(t.MarkerClustererEvents={})).CLUSTERING_BEGIN="clusteringbegin",io.CLUSTERING_END="clusteringend",io.CLUSTER_CLICK="click";var ao=function(t,e,r){r.fitBounds(e.bounds)},uo=function(r){o(s,r);var i=u(s);function s(t){var r,n=t.map,o=t.markers,a=void 0===o?[]:o,u=t.algorithm,c=void 0===u?new pn({}):u,l=t.renderer,h=void 0===l?new oo:l,p=t.onClusterClick,d=void 0===p?ao:p;return e(this,s),(r=i.call(this)).markers=f(a),r.clusters=[],r.algorithm=c,r.renderer=h,r.onClusterClick=d,n&&r.setMap(n),r}return n(s,[{key:"addMarker",value:function(t,e){this.markers.includes(t)||(this.markers.push(t),e||this.render())}},{key:"addMarkers",value:function(t,e){var r=this;t.forEach((function(t){r.addMarker(t,!0)})),e||this.render()}},{key:"removeMarker",value:function(t,e){var 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.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 no(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)}))}}]),s}(so);t.AbstractAlgorithm=Qe,t.AbstractViewportAlgorithm=We,t.Cluster=Re,t.ClusterStats=no,t.DBScanAlgorithm=qr,t.DefaultRenderer=oo,t.GridAlgorithm=nr,t.KmeansAlgorithm=Er,t.MarkerClusterer=uo,t.NoopAlgorithm=or,t.SuperClusterAlgorithm=pn,t.defaultOnClusterClickHandler=ao,t.distanceBetweenPoints=Ge,t.extendBoundsToPaddedViewport=qe,t.extendPixelBounds=Ve,t.filterMarkersToPaddedViewport=Ze,t.noop=Xe,t.pixelBoundsToLatLngBounds=Ue,Object.defineProperty(t,"__esModule",{value:!0})}));
//# sourceMappingURL=index.umd.js.map

4

package.json
{
"name": "@googlemaps/markerclusterer",
"version": "1.0.7",
"version": "1.0.8",
"description": "Creates and manages per-zoom-level clusters for large amounts of markers.",

@@ -57,3 +57,3 @@ "keywords": [

"eslint-config-prettier": "^8.3.0",
"eslint-plugin-jest": "^24.0.0",
"eslint-plugin-jest": "^25.0.3",
"eslint-plugin-prettier": "^4.0.0",

@@ -60,0 +60,0 @@ "geckodriver": "^2.0.0",

2

README.md

@@ -35,3 +35,3 @@ # Google Maps JavaScript MarkerClusterer

When adding via unpkg, the `MarkerClusterer` can be accessed at `markerclusterer.MarkerClusterer`.
When adding via unpkg, the `MarkerClusterer` can be accessed at `markerClusterer.MarkerClusterer`.

@@ -38,0 +38,0 @@ #### TypeScript

dist/index.dev.js

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dist/index.min.js.map

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dist/index.umd.js.map

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