@react-google-maps/marker-clusterer - npm Package Compare versions

Comparing version 2.3.1 to 2.4.0

dist/cjs.js

@@ -348,3 +348,4 @@ 'use strict';
         var maxZoom = this.markerClusterer.getMaxZoom();
-        if (maxZoom !== null && this.map.getZoom() > maxZoom) {
+        var zoom = this.map.getZoom();
+        if (maxZoom !== null && typeof zoom !== 'undefined' && zoom > maxZoom) {
             // Zoomed in past max zoom, so show the marker.
@@ -387,3 +388,4 @@ if (marker.getMap() !== this.map) {
         var maxZoom = this.markerClusterer.getMaxZoom();
-        if (maxZoom !== null && this.map.getZoom() > maxZoom) {
+        var zoom = this.map.getZoom();
+        if (maxZoom !== null && typeof zoom !== 'undefined' && zoom > maxZoom) {
             this.clusterIcon.hide();
@@ -390,0 +392,0 @@ return;

dist/cjs.min.js

@@ -1,2 +0,2 @@
-"use strict";Object.defineProperty(exports,"__esModule",{value:!0});var t=function(){function t(e,i){e.getClusterer().extend(t,google.maps.OverlayView),this.cluster=e,this.className=this.cluster.getClusterer().getClusterClass(),this.styles=i,this.center=void 0,this.div=null,this.sums=null,this.visible=!1,this.boundsChangedListener=null,this.url="",this.height=0,this.width=0,this.anchorText=[0,0],this.anchorIcon=[0,0],this.textColor="black",this.textSize=11,this.textDecoration="none",this.fontWeight="bold",this.fontStyle="normal",this.fontFamily="Arial,sans-serif",this.backgroundPosition="0 0",this.setMap(e.getMap())}return t.prototype.onAdd=function(){var t,e,i=this;this.div=document.createElement("div"),this.div.className=this.className,this.visible&&this.show(),this.getPanes().overlayMouseTarget.appendChild(this.div),this.boundsChangedListener=google.maps.event.addListener(this.getMap(),"boundschanged",(function(){e=t})),google.maps.event.addDomListener(this.div,"mousedown",(function(){t=!0,e=!1})),google.maps.event.addDomListener(this.div,"click",(function(s){if(t=!1,!e){var r=i.cluster.getClusterer();if(google.maps.event.trigger(r,"click",i.cluster),google.maps.event.trigger(r,"clusterclick",i.cluster),r.getZoomOnClick()){var o=r.getMaxZoom(),n=i.cluster.getBounds();r.getMap().fitBounds(n),setTimeout((function(){r.getMap().fitBounds(n),null!==o&&r.getMap().getZoom()>o&&r.getMap().setZoom(o+1)}),100)}s.cancelBubble=!0,s.stopPropagation&&s.stopPropagation()}})),google.maps.event.addDomListener(this.div,"mouseover",(function(){google.maps.event.trigger(i.cluster.getClusterer(),"mouseover",i.cluster)})),google.maps.event.addDomListener(this.div,"mouseout",(function(){google.maps.event.trigger(i.cluster.getClusterer(),"mouseout",i.cluster)}))},t.prototype.onRemove=function(){this.div&&this.div.parentNode&&(this.hide(),null!==this.boundsChangedListener&&google.maps.event.removeListener(this.boundsChangedListener),google.maps.event.clearInstanceListeners(this.div),this.div.parentNode.removeChild(this.div),this.div=null)},t.prototype.draw=function(){if(this.visible&&null!==this.div&&this.center){var t=this.getPosFromLatLng(this.center),e=t.x,i=t.y;this.div.style.top=i+"px",this.div.style.left=e+"px"}},t.prototype.hide=function(){this.div&&(this.div.style.display="none"),this.visible=!1},t.prototype.show=function(){if(this.div&&this.center){var t="",e="",i=this.backgroundPosition.split(" "),s=parseInt(i[0].replace(/^\s+|\s+$/g,""),10),r=parseInt(i[1].replace(/^\s+|\s+$/g,""),10),o=this.getPosFromLatLng(this.center);e=null===this.sums||void 0===this.sums.title||""===this.sums.title?this.cluster.getClusterer().getTitle():this.sums.title,this.div.style.cssText=this.createCss(o),t="<img alt='"+e+"' src='"+this.url+"' style='position: absolute; top: "+r+"px; left: "+s+"px; ",this.cluster.getClusterer().enableRetinaIcons||(t+="clip: rect("+-1*r+"px, "+(-1*s+this.width)+"px, "+(-1*r+this.height)+"px, "+-1*s+"px);"),t+="'>",this.div.innerHTML=t+"<div style='position: absolute;top: "+this.anchorText[0]+"px;left: "+this.anchorText[1]+"px;color: "+this.textColor+";font-size: "+this.textSize+"px;font-family: "+this.fontFamily+";font-weight: "+this.fontWeight+";font-style: "+this.fontStyle+";text-decoration: "+this.textDecoration+";text-align: center;width: "+this.width+"px;line-height:"+this.height+"px;'>"+this.sums.text+"</div>",this.div.title=e,this.div.style.display=""}this.visible=!0},t.prototype.useStyle=function(t){this.sums=t;var e=this.styles[Math.min(this.styles.length-1,Math.max(0,t.index-1))];this.url=e.url,this.height=e.height,this.width=e.width,e.className&&(this.className=this.className+" "+e.className),this.anchorText=e.anchorText||[0,0],this.anchorIcon=e.anchorIcon||[this.height/2,this.width/2],this.textColor=e.textColor||"black",this.textSize=e.textSize||11,this.textDecoration=e.textDecoration||"none",this.fontWeight=e.fontWeight||"bold",this.fontStyle=e.fontStyle||"normal",this.fontFamily=e.fontFamily||"Arial,sans-serif",this.backgroundPosition=e.backgroundPosition||"0 0"},t.prototype.setCenter=function(t){this.center=t},t.prototype.createCss=function(t){var e=[];return e.push("cursor: pointer;"),e.push("position: absolute; top: "+t.y+"px; left: "+t.x+"px;"),e.push("width: "+this.width+"px; height: "+this.height+"px;"),e.join("")},t.prototype.getPosFromLatLng=function(t){var e=this.getProjection().fromLatLngToDivPixel(t);return e.x-=this.anchorIcon[1],e.y-=this.anchorIcon[0],e},t}(),e=function(){function e(e){this.markerClusterer=e,this.map=this.markerClusterer.getMap(),this.gridSize=this.markerClusterer.getGridSize(),this.minClusterSize=this.markerClusterer.getMinimumClusterSize(),this.averageCenter=this.markerClusterer.getAverageCenter(),this.markers=[],this.center=void 0,this.bounds=null,this.clusterIcon=new t(this,this.markerClusterer.getStyles())}return e.prototype.getSize=function(){return this.markers.length},e.prototype.getMarkers=function(){return this.markers},e.prototype.getCenter=function(){return this.center},e.prototype.getMap=function(){return this.map},e.prototype.getClusterer=function(){return this.markerClusterer},e.prototype.getBounds=function(){for(var t=new google.maps.LatLngBounds(this.center,this.center),e=this.getMarkers(),i=0;i<e.length;i++){var s=e[i].getPosition();s&&t.extend(s)}return t},e.prototype.remove=function(){this.clusterIcon.setMap(null),this.markers=[],delete this.markers},e.prototype.addMarker=function(t){if(this.isMarkerAlreadyAdded(t))return!1;var e;if(this.center){if(this.averageCenter&&(e=t.getPosition())){var i=this.markers.length+1;this.center=new google.maps.LatLng((this.center.lat()*(i-1)+e.lat())/i,(this.center.lng()*(i-1)+e.lng())/i),this.calculateBounds()}}else(e=t.getPosition())&&(this.center=e,this.calculateBounds());t.isAdded=!0,this.markers.push(t);var s=this.markers.length,r=this.markerClusterer.getMaxZoom();if(null!==r&&this.map.getZoom()>r)t.getMap()!==this.map&&t.setMap(this.map);else if(s<this.minClusterSize)t.getMap()!==this.map&&t.setMap(this.map);else if(s===this.minClusterSize)for(var o=0;o<s;o++)this.markers[o].setMap(null);else t.setMap(null);return!0},e.prototype.isMarkerInClusterBounds=function(t){if(null!==this.bounds){var e=t.getPosition();if(e)return this.bounds.contains(e)}return!1},e.prototype.calculateBounds=function(){this.bounds=this.markerClusterer.getExtendedBounds(new google.maps.LatLngBounds(this.center,this.center))},e.prototype.updateIcon=function(){var t=this.markers.length,e=this.markerClusterer.getMaxZoom();null!==e&&this.map.getZoom()>e||t<this.minClusterSize?this.clusterIcon.hide():(this.center&&this.clusterIcon.setCenter(this.center),this.clusterIcon.useStyle(this.markerClusterer.getCalculator()(this.markers,this.markerClusterer.getStyles().length)),this.clusterIcon.show())},e.prototype.isMarkerAlreadyAdded=function(t){if(this.markers.includes)return this.markers.includes(t);for(var e=0;e<this.markers.length;e++)if(t===this.markers[e])return!0;return!1},e}(),i=function(t,e){var i=t.length,s=i.toString().length,r=Math.min(s,e);return{text:i.toString(),index:r,title:""}},s=[53,56,66,78,90],r=function(){function t(e,r,o){void 0===r&&(r=[]),void 0===o&&(o={}),this.extend(t,google.maps.OverlayView),this.markers=[],this.clusters=[],this.listeners=[],this.activeMap=null,this.ready=!1,this.gridSize=o.gridSize||60,this.minClusterSize=o.minimumClusterSize||2,this.maxZoom=o.maxZoom||null,this.styles=o.styles||[],this.title=o.title||"",this.zoomOnClick=!0,void 0!==o.zoomOnClick&&(this.zoomOnClick=o.zoomOnClick),this.averageCenter=!1,void 0!==o.averageCenter&&(this.averageCenter=o.averageCenter),this.ignoreHidden=!1,void 0!==o.ignoreHidden&&(this.ignoreHidden=o.ignoreHidden),this.enableRetinaIcons=!1,void 0!==o.enableRetinaIcons&&(this.enableRetinaIcons=o.enableRetinaIcons),this.imagePath=o.imagePath||"https://developers.google.com/maps/documentation/javascript/examples/markerclusterer/m",this.imageExtension=o.imageExtension||"png",this.imageSizes=o.imageSizes||s,this.calculator=o.calculator||i,this.batchSize=o.batchSize||2e3,this.batchSizeIE=o.batchSizeIE||500,this.clusterClass=o.clusterClass||"cluster",-1!==navigator.userAgent.toLowerCase().indexOf("msie")&&(this.batchSize=this.batchSizeIE),this.timerRefStatic=null,this.setupStyles(),this.addMarkers(r,!0),this.setMap(e)}return t.prototype.onAdd=function(){var t=this;this.activeMap=this.getMap(),this.ready=!0,this.repaint(),this.listeners=[google.maps.event.addListener(this.getMap(),"zoom_changed",(function(){t.resetViewport(!1),t.getMap().getZoom()!==(t.get("minZoom")||0)&&t.getMap().getZoom()!==t.get("maxZoom")||google.maps.event.trigger(t,"idle")})),google.maps.event.addListener(this.getMap(),"idle",(function(){t.redraw()}))]},t.prototype.onRemove=function(){for(var t=0;t<this.markers.length;t++)this.markers[t].getMap()!==this.activeMap&&this.markers[t].setMap(this.activeMap);for(t=0;t<this.clusters.length;t++)this.clusters[t].remove();this.clusters=[];for(t=0;t<this.listeners.length;t++)google.maps.event.removeListener(this.listeners[t]);this.listeners=[],this.activeMap=null,this.ready=!1},t.prototype.draw=function(){},t.prototype.setupStyles=function(){if(!(this.styles.length>0))for(var t=0;t<this.imageSizes.length;t++)this.styles.push({url:this.imagePath+(t+1)+"."+this.imageExtension,height:this.imageSizes[t],width:this.imageSizes[t]})},t.prototype.fitMapToMarkers=function(){for(var t=this.getMarkers(),e=new google.maps.LatLngBounds,i=0;i<t.length;i++){var s=t[i].getPosition();s&&e.extend(s)}this.getMap().fitBounds(e)},t.prototype.getGridSize=function(){return this.gridSize},t.prototype.setGridSize=function(t){this.gridSize=t},t.prototype.getMinimumClusterSize=function(){return this.minClusterSize},t.prototype.setMinimumClusterSize=function(t){this.minClusterSize=t},t.prototype.getMaxZoom=function(){return this.maxZoom},t.prototype.setMaxZoom=function(t){this.maxZoom=t},t.prototype.getStyles=function(){return this.styles},t.prototype.setStyles=function(t){this.styles=t},t.prototype.getTitle=function(){return this.title},t.prototype.setTitle=function(t){this.title=t},t.prototype.getZoomOnClick=function(){return this.zoomOnClick},t.prototype.setZoomOnClick=function(t){this.zoomOnClick=t},t.prototype.getAverageCenter=function(){return this.averageCenter},t.prototype.setAverageCenter=function(t){this.averageCenter=t},t.prototype.getIgnoreHidden=function(){return this.ignoreHidden},t.prototype.setIgnoreHidden=function(t){this.ignoreHidden=t},t.prototype.getEnableRetinaIcons=function(){return this.enableRetinaIcons},t.prototype.setEnableRetinaIcons=function(t){this.enableRetinaIcons=t},t.prototype.getImageExtension=function(){return this.imageExtension},t.prototype.setImageExtension=function(t){this.imageExtension=t},t.prototype.getImagePath=function(){return this.imagePath},t.prototype.setImagePath=function(t){this.imagePath=t},t.prototype.getImageSizes=function(){return this.imageSizes},t.prototype.setImageSizes=function(t){this.imageSizes=t},t.prototype.getCalculator=function(){return this.calculator},t.prototype.setCalculator=function(t){this.calculator=t},t.prototype.getBatchSizeIE=function(){return this.batchSizeIE},t.prototype.setBatchSizeIE=function(t){this.batchSizeIE=t},t.prototype.getClusterClass=function(){return this.clusterClass},t.prototype.setClusterClass=function(t){this.clusterClass=t},t.prototype.getMarkers=function(){return this.markers},t.prototype.getTotalMarkers=function(){return this.markers.length},t.prototype.getClusters=function(){return this.clusters},t.prototype.getTotalClusters=function(){return this.clusters.length},t.prototype.addMarker=function(t,e){this.pushMarkerTo(t),e||this.redraw()},t.prototype.addMarkers=function(t,e){for(var i in t)t.hasOwnProperty(i)&&this.pushMarkerTo(t[i]);e||this.redraw()},t.prototype.pushMarkerTo=function(t){var e=this;t.getDraggable()&&google.maps.event.addListener(t,"dragend",(function(){e.ready&&(t.isAdded=!1,e.repaint())})),t.isAdded=!1,this.markers.push(t)},t.prototype.removeMarker_=function(t){var e=-1;if(this.markers.indexOf)e=this.markers.indexOf(t);else for(var i=0;i<this.markers.length;i++)if(t===this.markers[i]){e=i;break}return-1!==e&&(t.setMap(null),this.markers.splice(e,1),!0)},t.prototype.removeMarker=function(t,e){var i=this.removeMarker_(t);return!e&&i&&this.repaint(),i},t.prototype.removeMarkers=function(t,e){for(var i=!1,s=0;s<t.length;s++)i=i||this.removeMarker_(t[s]);return!e&&i&&this.repaint(),i},t.prototype.clearMarkers=function(){this.resetViewport(!0),this.markers=[]},t.prototype.repaint=function(){var t=this.clusters.slice();this.clusters=[],this.resetViewport(!1),this.redraw(),setTimeout((function(){for(var e=0;e<t.length;e++)t[e].remove()}),0)},t.prototype.getExtendedBounds=function(t){var e=this.getProjection(),i=e.fromLatLngToDivPixel(new google.maps.LatLng(t.getNorthEast().lat(),t.getNorthEast().lng()));i.x+=this.gridSize,i.y-=this.gridSize;var s=e.fromLatLngToDivPixel(new google.maps.LatLng(t.getSouthWest().lat(),t.getSouthWest().lng()));return s.x-=this.gridSize,s.y+=this.gridSize,t.extend(e.fromDivPixelToLatLng(i)),t.extend(e.fromDivPixelToLatLng(s)),t},t.prototype.redraw=function(){this.createClusters(0)},t.prototype.resetViewport=function(t){for(var e=0;e<this.clusters.length;e++)this.clusters[e].remove();this.clusters=[];for(e=0;e<this.markers.length;e++){var i=this.markers[e];i.isAdded=!1,t&&i.setMap(null)}},t.prototype.distanceBetweenPoints=function(t,e){var i=(e.lat()-t.lat())*Math.PI/180,s=(e.lng()-t.lng())*Math.PI/180,r=Math.sin(i/2)*Math.sin(i/2)+Math.cos(t.lat()*Math.PI/180)*Math.cos(e.lat()*Math.PI/180)*Math.sin(s/2)*Math.sin(s/2);return 2*Math.atan2(Math.sqrt(r),Math.sqrt(1-r))*6371},t.prototype.isMarkerInBounds=function(t,e){var i=t.getPosition();return!!i&&e.contains(i)},t.prototype.addToClosestCluster=function(t){for(var i,s=4e4,r=null,o=0;o<this.clusters.length;o++){var n=(i=this.clusters[o]).getCenter(),a=t.getPosition();if(n&&a){var h=this.distanceBetweenPoints(n,a);h<s&&(s=h,r=i)}}r&&r.isMarkerInClusterBounds(t)?r.addMarker(t):((i=new e(this)).addMarker(t),this.clusters.push(i))},t.prototype.createClusters=function(t){var e=this;if(this.ready){0===t&&(google.maps.event.trigger(this,"clusteringbegin",this),null!==this.timerRefStatic&&(window.clearTimeout(this.timerRefStatic),delete this.timerRefStatic));for(var i=this.getMap().getZoom()>3?new google.maps.LatLngBounds(this.getMap().getBounds().getSouthWest(),this.getMap().getBounds().getNorthEast()):new google.maps.LatLngBounds(new google.maps.LatLng(85.02070771743472,-178.48388434375),new google.maps.LatLng(-85.08136444384544,178.00048865625)),s=this.getExtendedBounds(i),r=Math.min(t+this.batchSize,this.markers.length),o=t;o<r;o++){var n=this.markers[o];!n.isAdded&&this.isMarkerInBounds(n,s)&&(!this.ignoreHidden||this.ignoreHidden&&n.getVisible())&&this.addToClosestCluster(n)}if(r<this.markers.length)this.timerRefStatic=window.setTimeout((function(){e.createClusters(r)}),0);else{this.timerRefStatic=null,google.maps.event.trigger(this,"clusteringend",this);for(o=0;o<this.clusters.length;o++)this.clusters[o].updateIcon()}}},t.prototype.extend=function(t,e){return function(t){for(var e in t.prototype)this.prototype[e]=t.prototype[e];return this}.apply(t,[e])},t}();exports.Cluster=e,exports.ClusterIcon=t,exports.Clusterer=r;
+"use strict";Object.defineProperty(exports,"__esModule",{value:!0});var t=function(){function t(e,i){e.getClusterer().extend(t,google.maps.OverlayView),this.cluster=e,this.className=this.cluster.getClusterer().getClusterClass(),this.styles=i,this.center=void 0,this.div=null,this.sums=null,this.visible=!1,this.boundsChangedListener=null,this.url="",this.height=0,this.width=0,this.anchorText=[0,0],this.anchorIcon=[0,0],this.textColor="black",this.textSize=11,this.textDecoration="none",this.fontWeight="bold",this.fontStyle="normal",this.fontFamily="Arial,sans-serif",this.backgroundPosition="0 0",this.setMap(e.getMap())}return t.prototype.onAdd=function(){var t,e,i=this;this.div=document.createElement("div"),this.div.className=this.className,this.visible&&this.show(),this.getPanes().overlayMouseTarget.appendChild(this.div),this.boundsChangedListener=google.maps.event.addListener(this.getMap(),"boundschanged",(function(){e=t})),google.maps.event.addDomListener(this.div,"mousedown",(function(){t=!0,e=!1})),google.maps.event.addDomListener(this.div,"click",(function(s){if(t=!1,!e){var r=i.cluster.getClusterer();if(google.maps.event.trigger(r,"click",i.cluster),google.maps.event.trigger(r,"clusterclick",i.cluster),r.getZoomOnClick()){var o=r.getMaxZoom(),n=i.cluster.getBounds();r.getMap().fitBounds(n),setTimeout((function(){r.getMap().fitBounds(n),null!==o&&r.getMap().getZoom()>o&&r.getMap().setZoom(o+1)}),100)}s.cancelBubble=!0,s.stopPropagation&&s.stopPropagation()}})),google.maps.event.addDomListener(this.div,"mouseover",(function(){google.maps.event.trigger(i.cluster.getClusterer(),"mouseover",i.cluster)})),google.maps.event.addDomListener(this.div,"mouseout",(function(){google.maps.event.trigger(i.cluster.getClusterer(),"mouseout",i.cluster)}))},t.prototype.onRemove=function(){this.div&&this.div.parentNode&&(this.hide(),null!==this.boundsChangedListener&&google.maps.event.removeListener(this.boundsChangedListener),google.maps.event.clearInstanceListeners(this.div),this.div.parentNode.removeChild(this.div),this.div=null)},t.prototype.draw=function(){if(this.visible&&null!==this.div&&this.center){var t=this.getPosFromLatLng(this.center),e=t.x,i=t.y;this.div.style.top=i+"px",this.div.style.left=e+"px"}},t.prototype.hide=function(){this.div&&(this.div.style.display="none"),this.visible=!1},t.prototype.show=function(){if(this.div&&this.center){var t="",e="",i=this.backgroundPosition.split(" "),s=parseInt(i[0].replace(/^\s+|\s+$/g,""),10),r=parseInt(i[1].replace(/^\s+|\s+$/g,""),10),o=this.getPosFromLatLng(this.center);e=null===this.sums||void 0===this.sums.title||""===this.sums.title?this.cluster.getClusterer().getTitle():this.sums.title,this.div.style.cssText=this.createCss(o),t="<img alt='"+e+"' src='"+this.url+"' style='position: absolute; top: "+r+"px; left: "+s+"px; ",this.cluster.getClusterer().enableRetinaIcons||(t+="clip: rect("+-1*r+"px, "+(-1*s+this.width)+"px, "+(-1*r+this.height)+"px, "+-1*s+"px);"),t+="'>",this.div.innerHTML=t+"<div style='position: absolute;top: "+this.anchorText[0]+"px;left: "+this.anchorText[1]+"px;color: "+this.textColor+";font-size: "+this.textSize+"px;font-family: "+this.fontFamily+";font-weight: "+this.fontWeight+";font-style: "+this.fontStyle+";text-decoration: "+this.textDecoration+";text-align: center;width: "+this.width+"px;line-height:"+this.height+"px;'>"+this.sums.text+"</div>",this.div.title=e,this.div.style.display=""}this.visible=!0},t.prototype.useStyle=function(t){this.sums=t;var e=this.styles[Math.min(this.styles.length-1,Math.max(0,t.index-1))];this.url=e.url,this.height=e.height,this.width=e.width,e.className&&(this.className=this.className+" "+e.className),this.anchorText=e.anchorText||[0,0],this.anchorIcon=e.anchorIcon||[this.height/2,this.width/2],this.textColor=e.textColor||"black",this.textSize=e.textSize||11,this.textDecoration=e.textDecoration||"none",this.fontWeight=e.fontWeight||"bold",this.fontStyle=e.fontStyle||"normal",this.fontFamily=e.fontFamily||"Arial,sans-serif",this.backgroundPosition=e.backgroundPosition||"0 0"},t.prototype.setCenter=function(t){this.center=t},t.prototype.createCss=function(t){var e=[];return e.push("cursor: pointer;"),e.push("position: absolute; top: "+t.y+"px; left: "+t.x+"px;"),e.push("width: "+this.width+"px; height: "+this.height+"px;"),e.join("")},t.prototype.getPosFromLatLng=function(t){var e=this.getProjection().fromLatLngToDivPixel(t);return e.x-=this.anchorIcon[1],e.y-=this.anchorIcon[0],e},t}(),e=function(){function e(e){this.markerClusterer=e,this.map=this.markerClusterer.getMap(),this.gridSize=this.markerClusterer.getGridSize(),this.minClusterSize=this.markerClusterer.getMinimumClusterSize(),this.averageCenter=this.markerClusterer.getAverageCenter(),this.markers=[],this.center=void 0,this.bounds=null,this.clusterIcon=new t(this,this.markerClusterer.getStyles())}return e.prototype.getSize=function(){return this.markers.length},e.prototype.getMarkers=function(){return this.markers},e.prototype.getCenter=function(){return this.center},e.prototype.getMap=function(){return this.map},e.prototype.getClusterer=function(){return this.markerClusterer},e.prototype.getBounds=function(){for(var t=new google.maps.LatLngBounds(this.center,this.center),e=this.getMarkers(),i=0;i<e.length;i++){var s=e[i].getPosition();s&&t.extend(s)}return t},e.prototype.remove=function(){this.clusterIcon.setMap(null),this.markers=[],delete this.markers},e.prototype.addMarker=function(t){if(this.isMarkerAlreadyAdded(t))return!1;var e;if(this.center){if(this.averageCenter&&(e=t.getPosition())){var i=this.markers.length+1;this.center=new google.maps.LatLng((this.center.lat()*(i-1)+e.lat())/i,(this.center.lng()*(i-1)+e.lng())/i),this.calculateBounds()}}else(e=t.getPosition())&&(this.center=e,this.calculateBounds());t.isAdded=!0,this.markers.push(t);var s=this.markers.length,r=this.markerClusterer.getMaxZoom(),o=this.map.getZoom();if(null!==r&&void 0!==o&&o>r)t.getMap()!==this.map&&t.setMap(this.map);else if(s<this.minClusterSize)t.getMap()!==this.map&&t.setMap(this.map);else if(s===this.minClusterSize)for(var n=0;n<s;n++)this.markers[n].setMap(null);else t.setMap(null);return!0},e.prototype.isMarkerInClusterBounds=function(t){if(null!==this.bounds){var e=t.getPosition();if(e)return this.bounds.contains(e)}return!1},e.prototype.calculateBounds=function(){this.bounds=this.markerClusterer.getExtendedBounds(new google.maps.LatLngBounds(this.center,this.center))},e.prototype.updateIcon=function(){var t=this.markers.length,e=this.markerClusterer.getMaxZoom(),i=this.map.getZoom();null!==e&&void 0!==i&&i>e||t<this.minClusterSize?this.clusterIcon.hide():(this.center&&this.clusterIcon.setCenter(this.center),this.clusterIcon.useStyle(this.markerClusterer.getCalculator()(this.markers,this.markerClusterer.getStyles().length)),this.clusterIcon.show())},e.prototype.isMarkerAlreadyAdded=function(t){if(this.markers.includes)return this.markers.includes(t);for(var e=0;e<this.markers.length;e++)if(t===this.markers[e])return!0;return!1},e}(),i=function(t,e){var i=t.length,s=i.toString().length,r=Math.min(s,e);return{text:i.toString(),index:r,title:""}},s=[53,56,66,78,90],r=function(){function t(e,r,o){void 0===r&&(r=[]),void 0===o&&(o={}),this.extend(t,google.maps.OverlayView),this.markers=[],this.clusters=[],this.listeners=[],this.activeMap=null,this.ready=!1,this.gridSize=o.gridSize||60,this.minClusterSize=o.minimumClusterSize||2,this.maxZoom=o.maxZoom||null,this.styles=o.styles||[],this.title=o.title||"",this.zoomOnClick=!0,void 0!==o.zoomOnClick&&(this.zoomOnClick=o.zoomOnClick),this.averageCenter=!1,void 0!==o.averageCenter&&(this.averageCenter=o.averageCenter),this.ignoreHidden=!1,void 0!==o.ignoreHidden&&(this.ignoreHidden=o.ignoreHidden),this.enableRetinaIcons=!1,void 0!==o.enableRetinaIcons&&(this.enableRetinaIcons=o.enableRetinaIcons),this.imagePath=o.imagePath||"https://developers.google.com/maps/documentation/javascript/examples/markerclusterer/m",this.imageExtension=o.imageExtension||"png",this.imageSizes=o.imageSizes||s,this.calculator=o.calculator||i,this.batchSize=o.batchSize||2e3,this.batchSizeIE=o.batchSizeIE||500,this.clusterClass=o.clusterClass||"cluster",-1!==navigator.userAgent.toLowerCase().indexOf("msie")&&(this.batchSize=this.batchSizeIE),this.timerRefStatic=null,this.setupStyles(),this.addMarkers(r,!0),this.setMap(e)}return t.prototype.onAdd=function(){var t=this;this.activeMap=this.getMap(),this.ready=!0,this.repaint(),this.listeners=[google.maps.event.addListener(this.getMap(),"zoom_changed",(function(){t.resetViewport(!1),t.getMap().getZoom()!==(t.get("minZoom")||0)&&t.getMap().getZoom()!==t.get("maxZoom")||google.maps.event.trigger(t,"idle")})),google.maps.event.addListener(this.getMap(),"idle",(function(){t.redraw()}))]},t.prototype.onRemove=function(){for(var t=0;t<this.markers.length;t++)this.markers[t].getMap()!==this.activeMap&&this.markers[t].setMap(this.activeMap);for(t=0;t<this.clusters.length;t++)this.clusters[t].remove();this.clusters=[];for(t=0;t<this.listeners.length;t++)google.maps.event.removeListener(this.listeners[t]);this.listeners=[],this.activeMap=null,this.ready=!1},t.prototype.draw=function(){},t.prototype.setupStyles=function(){if(!(this.styles.length>0))for(var t=0;t<this.imageSizes.length;t++)this.styles.push({url:this.imagePath+(t+1)+"."+this.imageExtension,height:this.imageSizes[t],width:this.imageSizes[t]})},t.prototype.fitMapToMarkers=function(){for(var t=this.getMarkers(),e=new google.maps.LatLngBounds,i=0;i<t.length;i++){var s=t[i].getPosition();s&&e.extend(s)}this.getMap().fitBounds(e)},t.prototype.getGridSize=function(){return this.gridSize},t.prototype.setGridSize=function(t){this.gridSize=t},t.prototype.getMinimumClusterSize=function(){return this.minClusterSize},t.prototype.setMinimumClusterSize=function(t){this.minClusterSize=t},t.prototype.getMaxZoom=function(){return this.maxZoom},t.prototype.setMaxZoom=function(t){this.maxZoom=t},t.prototype.getStyles=function(){return this.styles},t.prototype.setStyles=function(t){this.styles=t},t.prototype.getTitle=function(){return this.title},t.prototype.setTitle=function(t){this.title=t},t.prototype.getZoomOnClick=function(){return this.zoomOnClick},t.prototype.setZoomOnClick=function(t){this.zoomOnClick=t},t.prototype.getAverageCenter=function(){return this.averageCenter},t.prototype.setAverageCenter=function(t){this.averageCenter=t},t.prototype.getIgnoreHidden=function(){return this.ignoreHidden},t.prototype.setIgnoreHidden=function(t){this.ignoreHidden=t},t.prototype.getEnableRetinaIcons=function(){return this.enableRetinaIcons},t.prototype.setEnableRetinaIcons=function(t){this.enableRetinaIcons=t},t.prototype.getImageExtension=function(){return this.imageExtension},t.prototype.setImageExtension=function(t){this.imageExtension=t},t.prototype.getImagePath=function(){return this.imagePath},t.prototype.setImagePath=function(t){this.imagePath=t},t.prototype.getImageSizes=function(){return this.imageSizes},t.prototype.setImageSizes=function(t){this.imageSizes=t},t.prototype.getCalculator=function(){return this.calculator},t.prototype.setCalculator=function(t){this.calculator=t},t.prototype.getBatchSizeIE=function(){return this.batchSizeIE},t.prototype.setBatchSizeIE=function(t){this.batchSizeIE=t},t.prototype.getClusterClass=function(){return this.clusterClass},t.prototype.setClusterClass=function(t){this.clusterClass=t},t.prototype.getMarkers=function(){return this.markers},t.prototype.getTotalMarkers=function(){return this.markers.length},t.prototype.getClusters=function(){return this.clusters},t.prototype.getTotalClusters=function(){return this.clusters.length},t.prototype.addMarker=function(t,e){this.pushMarkerTo(t),e||this.redraw()},t.prototype.addMarkers=function(t,e){for(var i in t)t.hasOwnProperty(i)&&this.pushMarkerTo(t[i]);e||this.redraw()},t.prototype.pushMarkerTo=function(t){var e=this;t.getDraggable()&&google.maps.event.addListener(t,"dragend",(function(){e.ready&&(t.isAdded=!1,e.repaint())})),t.isAdded=!1,this.markers.push(t)},t.prototype.removeMarker_=function(t){var e=-1;if(this.markers.indexOf)e=this.markers.indexOf(t);else for(var i=0;i<this.markers.length;i++)if(t===this.markers[i]){e=i;break}return-1!==e&&(t.setMap(null),this.markers.splice(e,1),!0)},t.prototype.removeMarker=function(t,e){var i=this.removeMarker_(t);return!e&&i&&this.repaint(),i},t.prototype.removeMarkers=function(t,e){for(var i=!1,s=0;s<t.length;s++)i=i||this.removeMarker_(t[s]);return!e&&i&&this.repaint(),i},t.prototype.clearMarkers=function(){this.resetViewport(!0),this.markers=[]},t.prototype.repaint=function(){var t=this.clusters.slice();this.clusters=[],this.resetViewport(!1),this.redraw(),setTimeout((function(){for(var e=0;e<t.length;e++)t[e].remove()}),0)},t.prototype.getExtendedBounds=function(t){var e=this.getProjection(),i=e.fromLatLngToDivPixel(new google.maps.LatLng(t.getNorthEast().lat(),t.getNorthEast().lng()));i.x+=this.gridSize,i.y-=this.gridSize;var s=e.fromLatLngToDivPixel(new google.maps.LatLng(t.getSouthWest().lat(),t.getSouthWest().lng()));return s.x-=this.gridSize,s.y+=this.gridSize,t.extend(e.fromDivPixelToLatLng(i)),t.extend(e.fromDivPixelToLatLng(s)),t},t.prototype.redraw=function(){this.createClusters(0)},t.prototype.resetViewport=function(t){for(var e=0;e<this.clusters.length;e++)this.clusters[e].remove();this.clusters=[];for(e=0;e<this.markers.length;e++){var i=this.markers[e];i.isAdded=!1,t&&i.setMap(null)}},t.prototype.distanceBetweenPoints=function(t,e){var i=(e.lat()-t.lat())*Math.PI/180,s=(e.lng()-t.lng())*Math.PI/180,r=Math.sin(i/2)*Math.sin(i/2)+Math.cos(t.lat()*Math.PI/180)*Math.cos(e.lat()*Math.PI/180)*Math.sin(s/2)*Math.sin(s/2);return 2*Math.atan2(Math.sqrt(r),Math.sqrt(1-r))*6371},t.prototype.isMarkerInBounds=function(t,e){var i=t.getPosition();return!!i&&e.contains(i)},t.prototype.addToClosestCluster=function(t){for(var i,s=4e4,r=null,o=0;o<this.clusters.length;o++){var n=(i=this.clusters[o]).getCenter(),a=t.getPosition();if(n&&a){var h=this.distanceBetweenPoints(n,a);h<s&&(s=h,r=i)}}r&&r.isMarkerInClusterBounds(t)?r.addMarker(t):((i=new e(this)).addMarker(t),this.clusters.push(i))},t.prototype.createClusters=function(t){var e=this;if(this.ready){0===t&&(google.maps.event.trigger(this,"clusteringbegin",this),null!==this.timerRefStatic&&(window.clearTimeout(this.timerRefStatic),delete this.timerRefStatic));for(var i=this.getMap().getZoom()>3?new google.maps.LatLngBounds(this.getMap().getBounds().getSouthWest(),this.getMap().getBounds().getNorthEast()):new google.maps.LatLngBounds(new google.maps.LatLng(85.02070771743472,-178.48388434375),new google.maps.LatLng(-85.08136444384544,178.00048865625)),s=this.getExtendedBounds(i),r=Math.min(t+this.batchSize,this.markers.length),o=t;o<r;o++){var n=this.markers[o];!n.isAdded&&this.isMarkerInBounds(n,s)&&(!this.ignoreHidden||this.ignoreHidden&&n.getVisible())&&this.addToClosestCluster(n)}if(r<this.markers.length)this.timerRefStatic=window.setTimeout((function(){e.createClusters(r)}),0);else{this.timerRefStatic=null,google.maps.event.trigger(this,"clusteringend",this);for(o=0;o<this.clusters.length;o++)this.clusters[o].updateIcon()}}},t.prototype.extend=function(t,e){return function(t){for(var e in t.prototype)this.prototype[e]=t.prototype[e];return this}.apply(t,[e])},t}();exports.Cluster=e,exports.ClusterIcon=t,exports.Clusterer=r;
 //# sourceMappingURL=cjs.min.js.map

dist/esm.js

@@ -344,3 +344,4 @@ var ClusterIcon = /** @class */ (function () {
         var maxZoom = this.markerClusterer.getMaxZoom();
-        if (maxZoom !== null && this.map.getZoom() > maxZoom) {
+        var zoom = this.map.getZoom();
+        if (maxZoom !== null && typeof zoom !== 'undefined' && zoom > maxZoom) {
             // Zoomed in past max zoom, so show the marker.
@@ -383,3 +384,4 @@ if (marker.getMap() !== this.map) {
         var maxZoom = this.markerClusterer.getMaxZoom();
-        if (maxZoom !== null && this.map.getZoom() > maxZoom) {
+        var zoom = this.map.getZoom();
+        if (maxZoom !== null && typeof zoom !== 'undefined' && zoom > maxZoom) {
             this.clusterIcon.hide();
@@ -386,0 +388,0 @@ return;

dist/esm.min.js

@@ -1,2 +0,2 @@
-var t=function(){function t(e,i){e.getClusterer().extend(t,google.maps.OverlayView),this.cluster=e,this.className=this.cluster.getClusterer().getClusterClass(),this.styles=i,this.center=void 0,this.div=null,this.sums=null,this.visible=!1,this.boundsChangedListener=null,this.url="",this.height=0,this.width=0,this.anchorText=[0,0],this.anchorIcon=[0,0],this.textColor="black",this.textSize=11,this.textDecoration="none",this.fontWeight="bold",this.fontStyle="normal",this.fontFamily="Arial,sans-serif",this.backgroundPosition="0 0",this.setMap(e.getMap())}return t.prototype.onAdd=function(){var t,e,i=this;this.div=document.createElement("div"),this.div.className=this.className,this.visible&&this.show(),this.getPanes().overlayMouseTarget.appendChild(this.div),this.boundsChangedListener=google.maps.event.addListener(this.getMap(),"boundschanged",(function(){e=t})),google.maps.event.addDomListener(this.div,"mousedown",(function(){t=!0,e=!1})),google.maps.event.addDomListener(this.div,"click",(function(s){if(t=!1,!e){var r=i.cluster.getClusterer();if(google.maps.event.trigger(r,"click",i.cluster),google.maps.event.trigger(r,"clusterclick",i.cluster),r.getZoomOnClick()){var o=r.getMaxZoom(),n=i.cluster.getBounds();r.getMap().fitBounds(n),setTimeout((function(){r.getMap().fitBounds(n),null!==o&&r.getMap().getZoom()>o&&r.getMap().setZoom(o+1)}),100)}s.cancelBubble=!0,s.stopPropagation&&s.stopPropagation()}})),google.maps.event.addDomListener(this.div,"mouseover",(function(){google.maps.event.trigger(i.cluster.getClusterer(),"mouseover",i.cluster)})),google.maps.event.addDomListener(this.div,"mouseout",(function(){google.maps.event.trigger(i.cluster.getClusterer(),"mouseout",i.cluster)}))},t.prototype.onRemove=function(){this.div&&this.div.parentNode&&(this.hide(),null!==this.boundsChangedListener&&google.maps.event.removeListener(this.boundsChangedListener),google.maps.event.clearInstanceListeners(this.div),this.div.parentNode.removeChild(this.div),this.div=null)},t.prototype.draw=function(){if(this.visible&&null!==this.div&&this.center){var t=this.getPosFromLatLng(this.center),e=t.x,i=t.y;this.div.style.top=i+"px",this.div.style.left=e+"px"}},t.prototype.hide=function(){this.div&&(this.div.style.display="none"),this.visible=!1},t.prototype.show=function(){if(this.div&&this.center){var t="",e="",i=this.backgroundPosition.split(" "),s=parseInt(i[0].replace(/^\s+|\s+$/g,""),10),r=parseInt(i[1].replace(/^\s+|\s+$/g,""),10),o=this.getPosFromLatLng(this.center);e=null===this.sums||void 0===this.sums.title||""===this.sums.title?this.cluster.getClusterer().getTitle():this.sums.title,this.div.style.cssText=this.createCss(o),t="<img alt='"+e+"' src='"+this.url+"' style='position: absolute; top: "+r+"px; left: "+s+"px; ",this.cluster.getClusterer().enableRetinaIcons||(t+="clip: rect("+-1*r+"px, "+(-1*s+this.width)+"px, "+(-1*r+this.height)+"px, "+-1*s+"px);"),t+="'>",this.div.innerHTML=t+"<div style='position: absolute;top: "+this.anchorText[0]+"px;left: "+this.anchorText[1]+"px;color: "+this.textColor+";font-size: "+this.textSize+"px;font-family: "+this.fontFamily+";font-weight: "+this.fontWeight+";font-style: "+this.fontStyle+";text-decoration: "+this.textDecoration+";text-align: center;width: "+this.width+"px;line-height:"+this.height+"px;'>"+this.sums.text+"</div>",this.div.title=e,this.div.style.display=""}this.visible=!0},t.prototype.useStyle=function(t){this.sums=t;var e=this.styles[Math.min(this.styles.length-1,Math.max(0,t.index-1))];this.url=e.url,this.height=e.height,this.width=e.width,e.className&&(this.className=this.className+" "+e.className),this.anchorText=e.anchorText||[0,0],this.anchorIcon=e.anchorIcon||[this.height/2,this.width/2],this.textColor=e.textColor||"black",this.textSize=e.textSize||11,this.textDecoration=e.textDecoration||"none",this.fontWeight=e.fontWeight||"bold",this.fontStyle=e.fontStyle||"normal",this.fontFamily=e.fontFamily||"Arial,sans-serif",this.backgroundPosition=e.backgroundPosition||"0 0"},t.prototype.setCenter=function(t){this.center=t},t.prototype.createCss=function(t){var e=[];return e.push("cursor: pointer;"),e.push("position: absolute; top: "+t.y+"px; left: "+t.x+"px;"),e.push("width: "+this.width+"px; height: "+this.height+"px;"),e.join("")},t.prototype.getPosFromLatLng=function(t){var e=this.getProjection().fromLatLngToDivPixel(t);return e.x-=this.anchorIcon[1],e.y-=this.anchorIcon[0],e},t}(),e=function(){function e(e){this.markerClusterer=e,this.map=this.markerClusterer.getMap(),this.gridSize=this.markerClusterer.getGridSize(),this.minClusterSize=this.markerClusterer.getMinimumClusterSize(),this.averageCenter=this.markerClusterer.getAverageCenter(),this.markers=[],this.center=void 0,this.bounds=null,this.clusterIcon=new t(this,this.markerClusterer.getStyles())}return e.prototype.getSize=function(){return this.markers.length},e.prototype.getMarkers=function(){return this.markers},e.prototype.getCenter=function(){return this.center},e.prototype.getMap=function(){return this.map},e.prototype.getClusterer=function(){return this.markerClusterer},e.prototype.getBounds=function(){for(var t=new google.maps.LatLngBounds(this.center,this.center),e=this.getMarkers(),i=0;i<e.length;i++){var s=e[i].getPosition();s&&t.extend(s)}return t},e.prototype.remove=function(){this.clusterIcon.setMap(null),this.markers=[],delete this.markers},e.prototype.addMarker=function(t){if(this.isMarkerAlreadyAdded(t))return!1;var e;if(this.center){if(this.averageCenter&&(e=t.getPosition())){var i=this.markers.length+1;this.center=new google.maps.LatLng((this.center.lat()*(i-1)+e.lat())/i,(this.center.lng()*(i-1)+e.lng())/i),this.calculateBounds()}}else(e=t.getPosition())&&(this.center=e,this.calculateBounds());t.isAdded=!0,this.markers.push(t);var s=this.markers.length,r=this.markerClusterer.getMaxZoom();if(null!==r&&this.map.getZoom()>r)t.getMap()!==this.map&&t.setMap(this.map);else if(s<this.minClusterSize)t.getMap()!==this.map&&t.setMap(this.map);else if(s===this.minClusterSize)for(var o=0;o<s;o++)this.markers[o].setMap(null);else t.setMap(null);return!0},e.prototype.isMarkerInClusterBounds=function(t){if(null!==this.bounds){var e=t.getPosition();if(e)return this.bounds.contains(e)}return!1},e.prototype.calculateBounds=function(){this.bounds=this.markerClusterer.getExtendedBounds(new google.maps.LatLngBounds(this.center,this.center))},e.prototype.updateIcon=function(){var t=this.markers.length,e=this.markerClusterer.getMaxZoom();null!==e&&this.map.getZoom()>e||t<this.minClusterSize?this.clusterIcon.hide():(this.center&&this.clusterIcon.setCenter(this.center),this.clusterIcon.useStyle(this.markerClusterer.getCalculator()(this.markers,this.markerClusterer.getStyles().length)),this.clusterIcon.show())},e.prototype.isMarkerAlreadyAdded=function(t){if(this.markers.includes)return this.markers.includes(t);for(var e=0;e<this.markers.length;e++)if(t===this.markers[e])return!0;return!1},e}(),i=function(t,e){var i=t.length,s=i.toString().length,r=Math.min(s,e);return{text:i.toString(),index:r,title:""}},s=[53,56,66,78,90],r=function(){function t(e,r,o){void 0===r&&(r=[]),void 0===o&&(o={}),this.extend(t,google.maps.OverlayView),this.markers=[],this.clusters=[],this.listeners=[],this.activeMap=null,this.ready=!1,this.gridSize=o.gridSize||60,this.minClusterSize=o.minimumClusterSize||2,this.maxZoom=o.maxZoom||null,this.styles=o.styles||[],this.title=o.title||"",this.zoomOnClick=!0,void 0!==o.zoomOnClick&&(this.zoomOnClick=o.zoomOnClick),this.averageCenter=!1,void 0!==o.averageCenter&&(this.averageCenter=o.averageCenter),this.ignoreHidden=!1,void 0!==o.ignoreHidden&&(this.ignoreHidden=o.ignoreHidden),this.enableRetinaIcons=!1,void 0!==o.enableRetinaIcons&&(this.enableRetinaIcons=o.enableRetinaIcons),this.imagePath=o.imagePath||"https://developers.google.com/maps/documentation/javascript/examples/markerclusterer/m",this.imageExtension=o.imageExtension||"png",this.imageSizes=o.imageSizes||s,this.calculator=o.calculator||i,this.batchSize=o.batchSize||2e3,this.batchSizeIE=o.batchSizeIE||500,this.clusterClass=o.clusterClass||"cluster",-1!==navigator.userAgent.toLowerCase().indexOf("msie")&&(this.batchSize=this.batchSizeIE),this.timerRefStatic=null,this.setupStyles(),this.addMarkers(r,!0),this.setMap(e)}return t.prototype.onAdd=function(){var t=this;this.activeMap=this.getMap(),this.ready=!0,this.repaint(),this.listeners=[google.maps.event.addListener(this.getMap(),"zoom_changed",(function(){t.resetViewport(!1),t.getMap().getZoom()!==(t.get("minZoom")||0)&&t.getMap().getZoom()!==t.get("maxZoom")||google.maps.event.trigger(t,"idle")})),google.maps.event.addListener(this.getMap(),"idle",(function(){t.redraw()}))]},t.prototype.onRemove=function(){for(var t=0;t<this.markers.length;t++)this.markers[t].getMap()!==this.activeMap&&this.markers[t].setMap(this.activeMap);for(t=0;t<this.clusters.length;t++)this.clusters[t].remove();this.clusters=[];for(t=0;t<this.listeners.length;t++)google.maps.event.removeListener(this.listeners[t]);this.listeners=[],this.activeMap=null,this.ready=!1},t.prototype.draw=function(){},t.prototype.setupStyles=function(){if(!(this.styles.length>0))for(var t=0;t<this.imageSizes.length;t++)this.styles.push({url:this.imagePath+(t+1)+"."+this.imageExtension,height:this.imageSizes[t],width:this.imageSizes[t]})},t.prototype.fitMapToMarkers=function(){for(var t=this.getMarkers(),e=new google.maps.LatLngBounds,i=0;i<t.length;i++){var s=t[i].getPosition();s&&e.extend(s)}this.getMap().fitBounds(e)},t.prototype.getGridSize=function(){return this.gridSize},t.prototype.setGridSize=function(t){this.gridSize=t},t.prototype.getMinimumClusterSize=function(){return this.minClusterSize},t.prototype.setMinimumClusterSize=function(t){this.minClusterSize=t},t.prototype.getMaxZoom=function(){return this.maxZoom},t.prototype.setMaxZoom=function(t){this.maxZoom=t},t.prototype.getStyles=function(){return this.styles},t.prototype.setStyles=function(t){this.styles=t},t.prototype.getTitle=function(){return this.title},t.prototype.setTitle=function(t){this.title=t},t.prototype.getZoomOnClick=function(){return this.zoomOnClick},t.prototype.setZoomOnClick=function(t){this.zoomOnClick=t},t.prototype.getAverageCenter=function(){return this.averageCenter},t.prototype.setAverageCenter=function(t){this.averageCenter=t},t.prototype.getIgnoreHidden=function(){return this.ignoreHidden},t.prototype.setIgnoreHidden=function(t){this.ignoreHidden=t},t.prototype.getEnableRetinaIcons=function(){return this.enableRetinaIcons},t.prototype.setEnableRetinaIcons=function(t){this.enableRetinaIcons=t},t.prototype.getImageExtension=function(){return this.imageExtension},t.prototype.setImageExtension=function(t){this.imageExtension=t},t.prototype.getImagePath=function(){return this.imagePath},t.prototype.setImagePath=function(t){this.imagePath=t},t.prototype.getImageSizes=function(){return this.imageSizes},t.prototype.setImageSizes=function(t){this.imageSizes=t},t.prototype.getCalculator=function(){return this.calculator},t.prototype.setCalculator=function(t){this.calculator=t},t.prototype.getBatchSizeIE=function(){return this.batchSizeIE},t.prototype.setBatchSizeIE=function(t){this.batchSizeIE=t},t.prototype.getClusterClass=function(){return this.clusterClass},t.prototype.setClusterClass=function(t){this.clusterClass=t},t.prototype.getMarkers=function(){return this.markers},t.prototype.getTotalMarkers=function(){return this.markers.length},t.prototype.getClusters=function(){return this.clusters},t.prototype.getTotalClusters=function(){return this.clusters.length},t.prototype.addMarker=function(t,e){this.pushMarkerTo(t),e||this.redraw()},t.prototype.addMarkers=function(t,e){for(var i in t)t.hasOwnProperty(i)&&this.pushMarkerTo(t[i]);e||this.redraw()},t.prototype.pushMarkerTo=function(t){var e=this;t.getDraggable()&&google.maps.event.addListener(t,"dragend",(function(){e.ready&&(t.isAdded=!1,e.repaint())})),t.isAdded=!1,this.markers.push(t)},t.prototype.removeMarker_=function(t){var e=-1;if(this.markers.indexOf)e=this.markers.indexOf(t);else for(var i=0;i<this.markers.length;i++)if(t===this.markers[i]){e=i;break}return-1!==e&&(t.setMap(null),this.markers.splice(e,1),!0)},t.prototype.removeMarker=function(t,e){var i=this.removeMarker_(t);return!e&&i&&this.repaint(),i},t.prototype.removeMarkers=function(t,e){for(var i=!1,s=0;s<t.length;s++)i=i||this.removeMarker_(t[s]);return!e&&i&&this.repaint(),i},t.prototype.clearMarkers=function(){this.resetViewport(!0),this.markers=[]},t.prototype.repaint=function(){var t=this.clusters.slice();this.clusters=[],this.resetViewport(!1),this.redraw(),setTimeout((function(){for(var e=0;e<t.length;e++)t[e].remove()}),0)},t.prototype.getExtendedBounds=function(t){var e=this.getProjection(),i=e.fromLatLngToDivPixel(new google.maps.LatLng(t.getNorthEast().lat(),t.getNorthEast().lng()));i.x+=this.gridSize,i.y-=this.gridSize;var s=e.fromLatLngToDivPixel(new google.maps.LatLng(t.getSouthWest().lat(),t.getSouthWest().lng()));return s.x-=this.gridSize,s.y+=this.gridSize,t.extend(e.fromDivPixelToLatLng(i)),t.extend(e.fromDivPixelToLatLng(s)),t},t.prototype.redraw=function(){this.createClusters(0)},t.prototype.resetViewport=function(t){for(var e=0;e<this.clusters.length;e++)this.clusters[e].remove();this.clusters=[];for(e=0;e<this.markers.length;e++){var i=this.markers[e];i.isAdded=!1,t&&i.setMap(null)}},t.prototype.distanceBetweenPoints=function(t,e){var i=(e.lat()-t.lat())*Math.PI/180,s=(e.lng()-t.lng())*Math.PI/180,r=Math.sin(i/2)*Math.sin(i/2)+Math.cos(t.lat()*Math.PI/180)*Math.cos(e.lat()*Math.PI/180)*Math.sin(s/2)*Math.sin(s/2);return 2*Math.atan2(Math.sqrt(r),Math.sqrt(1-r))*6371},t.prototype.isMarkerInBounds=function(t,e){var i=t.getPosition();return!!i&&e.contains(i)},t.prototype.addToClosestCluster=function(t){for(var i,s=4e4,r=null,o=0;o<this.clusters.length;o++){var n=(i=this.clusters[o]).getCenter(),a=t.getPosition();if(n&&a){var h=this.distanceBetweenPoints(n,a);h<s&&(s=h,r=i)}}r&&r.isMarkerInClusterBounds(t)?r.addMarker(t):((i=new e(this)).addMarker(t),this.clusters.push(i))},t.prototype.createClusters=function(t){var e=this;if(this.ready){0===t&&(google.maps.event.trigger(this,"clusteringbegin",this),null!==this.timerRefStatic&&(window.clearTimeout(this.timerRefStatic),delete this.timerRefStatic));for(var i=this.getMap().getZoom()>3?new google.maps.LatLngBounds(this.getMap().getBounds().getSouthWest(),this.getMap().getBounds().getNorthEast()):new google.maps.LatLngBounds(new google.maps.LatLng(85.02070771743472,-178.48388434375),new google.maps.LatLng(-85.08136444384544,178.00048865625)),s=this.getExtendedBounds(i),r=Math.min(t+this.batchSize,this.markers.length),o=t;o<r;o++){var n=this.markers[o];!n.isAdded&&this.isMarkerInBounds(n,s)&&(!this.ignoreHidden||this.ignoreHidden&&n.getVisible())&&this.addToClosestCluster(n)}if(r<this.markers.length)this.timerRefStatic=window.setTimeout((function(){e.createClusters(r)}),0);else{this.timerRefStatic=null,google.maps.event.trigger(this,"clusteringend",this);for(o=0;o<this.clusters.length;o++)this.clusters[o].updateIcon()}}},t.prototype.extend=function(t,e){return function(t){for(var e in t.prototype)this.prototype[e]=t.prototype[e];return this}.apply(t,[e])},t}();export{e as Cluster,t as ClusterIcon,r as Clusterer};
+var t=function(){function t(e,i){e.getClusterer().extend(t,google.maps.OverlayView),this.cluster=e,this.className=this.cluster.getClusterer().getClusterClass(),this.styles=i,this.center=void 0,this.div=null,this.sums=null,this.visible=!1,this.boundsChangedListener=null,this.url="",this.height=0,this.width=0,this.anchorText=[0,0],this.anchorIcon=[0,0],this.textColor="black",this.textSize=11,this.textDecoration="none",this.fontWeight="bold",this.fontStyle="normal",this.fontFamily="Arial,sans-serif",this.backgroundPosition="0 0",this.setMap(e.getMap())}return t.prototype.onAdd=function(){var t,e,i=this;this.div=document.createElement("div"),this.div.className=this.className,this.visible&&this.show(),this.getPanes().overlayMouseTarget.appendChild(this.div),this.boundsChangedListener=google.maps.event.addListener(this.getMap(),"boundschanged",(function(){e=t})),google.maps.event.addDomListener(this.div,"mousedown",(function(){t=!0,e=!1})),google.maps.event.addDomListener(this.div,"click",(function(s){if(t=!1,!e){var r=i.cluster.getClusterer();if(google.maps.event.trigger(r,"click",i.cluster),google.maps.event.trigger(r,"clusterclick",i.cluster),r.getZoomOnClick()){var o=r.getMaxZoom(),n=i.cluster.getBounds();r.getMap().fitBounds(n),setTimeout((function(){r.getMap().fitBounds(n),null!==o&&r.getMap().getZoom()>o&&r.getMap().setZoom(o+1)}),100)}s.cancelBubble=!0,s.stopPropagation&&s.stopPropagation()}})),google.maps.event.addDomListener(this.div,"mouseover",(function(){google.maps.event.trigger(i.cluster.getClusterer(),"mouseover",i.cluster)})),google.maps.event.addDomListener(this.div,"mouseout",(function(){google.maps.event.trigger(i.cluster.getClusterer(),"mouseout",i.cluster)}))},t.prototype.onRemove=function(){this.div&&this.div.parentNode&&(this.hide(),null!==this.boundsChangedListener&&google.maps.event.removeListener(this.boundsChangedListener),google.maps.event.clearInstanceListeners(this.div),this.div.parentNode.removeChild(this.div),this.div=null)},t.prototype.draw=function(){if(this.visible&&null!==this.div&&this.center){var t=this.getPosFromLatLng(this.center),e=t.x,i=t.y;this.div.style.top=i+"px",this.div.style.left=e+"px"}},t.prototype.hide=function(){this.div&&(this.div.style.display="none"),this.visible=!1},t.prototype.show=function(){if(this.div&&this.center){var t="",e="",i=this.backgroundPosition.split(" "),s=parseInt(i[0].replace(/^\s+|\s+$/g,""),10),r=parseInt(i[1].replace(/^\s+|\s+$/g,""),10),o=this.getPosFromLatLng(this.center);e=null===this.sums||void 0===this.sums.title||""===this.sums.title?this.cluster.getClusterer().getTitle():this.sums.title,this.div.style.cssText=this.createCss(o),t="<img alt='"+e+"' src='"+this.url+"' style='position: absolute; top: "+r+"px; left: "+s+"px; ",this.cluster.getClusterer().enableRetinaIcons||(t+="clip: rect("+-1*r+"px, "+(-1*s+this.width)+"px, "+(-1*r+this.height)+"px, "+-1*s+"px);"),t+="'>",this.div.innerHTML=t+"<div style='position: absolute;top: "+this.anchorText[0]+"px;left: "+this.anchorText[1]+"px;color: "+this.textColor+";font-size: "+this.textSize+"px;font-family: "+this.fontFamily+";font-weight: "+this.fontWeight+";font-style: "+this.fontStyle+";text-decoration: "+this.textDecoration+";text-align: center;width: "+this.width+"px;line-height:"+this.height+"px;'>"+this.sums.text+"</div>",this.div.title=e,this.div.style.display=""}this.visible=!0},t.prototype.useStyle=function(t){this.sums=t;var e=this.styles[Math.min(this.styles.length-1,Math.max(0,t.index-1))];this.url=e.url,this.height=e.height,this.width=e.width,e.className&&(this.className=this.className+" "+e.className),this.anchorText=e.anchorText||[0,0],this.anchorIcon=e.anchorIcon||[this.height/2,this.width/2],this.textColor=e.textColor||"black",this.textSize=e.textSize||11,this.textDecoration=e.textDecoration||"none",this.fontWeight=e.fontWeight||"bold",this.fontStyle=e.fontStyle||"normal",this.fontFamily=e.fontFamily||"Arial,sans-serif",this.backgroundPosition=e.backgroundPosition||"0 0"},t.prototype.setCenter=function(t){this.center=t},t.prototype.createCss=function(t){var e=[];return e.push("cursor: pointer;"),e.push("position: absolute; top: "+t.y+"px; left: "+t.x+"px;"),e.push("width: "+this.width+"px; height: "+this.height+"px;"),e.join("")},t.prototype.getPosFromLatLng=function(t){var e=this.getProjection().fromLatLngToDivPixel(t);return e.x-=this.anchorIcon[1],e.y-=this.anchorIcon[0],e},t}(),e=function(){function e(e){this.markerClusterer=e,this.map=this.markerClusterer.getMap(),this.gridSize=this.markerClusterer.getGridSize(),this.minClusterSize=this.markerClusterer.getMinimumClusterSize(),this.averageCenter=this.markerClusterer.getAverageCenter(),this.markers=[],this.center=void 0,this.bounds=null,this.clusterIcon=new t(this,this.markerClusterer.getStyles())}return e.prototype.getSize=function(){return this.markers.length},e.prototype.getMarkers=function(){return this.markers},e.prototype.getCenter=function(){return this.center},e.prototype.getMap=function(){return this.map},e.prototype.getClusterer=function(){return this.markerClusterer},e.prototype.getBounds=function(){for(var t=new google.maps.LatLngBounds(this.center,this.center),e=this.getMarkers(),i=0;i<e.length;i++){var s=e[i].getPosition();s&&t.extend(s)}return t},e.prototype.remove=function(){this.clusterIcon.setMap(null),this.markers=[],delete this.markers},e.prototype.addMarker=function(t){if(this.isMarkerAlreadyAdded(t))return!1;var e;if(this.center){if(this.averageCenter&&(e=t.getPosition())){var i=this.markers.length+1;this.center=new google.maps.LatLng((this.center.lat()*(i-1)+e.lat())/i,(this.center.lng()*(i-1)+e.lng())/i),this.calculateBounds()}}else(e=t.getPosition())&&(this.center=e,this.calculateBounds());t.isAdded=!0,this.markers.push(t);var s=this.markers.length,r=this.markerClusterer.getMaxZoom(),o=this.map.getZoom();if(null!==r&&void 0!==o&&o>r)t.getMap()!==this.map&&t.setMap(this.map);else if(s<this.minClusterSize)t.getMap()!==this.map&&t.setMap(this.map);else if(s===this.minClusterSize)for(var n=0;n<s;n++)this.markers[n].setMap(null);else t.setMap(null);return!0},e.prototype.isMarkerInClusterBounds=function(t){if(null!==this.bounds){var e=t.getPosition();if(e)return this.bounds.contains(e)}return!1},e.prototype.calculateBounds=function(){this.bounds=this.markerClusterer.getExtendedBounds(new google.maps.LatLngBounds(this.center,this.center))},e.prototype.updateIcon=function(){var t=this.markers.length,e=this.markerClusterer.getMaxZoom(),i=this.map.getZoom();null!==e&&void 0!==i&&i>e||t<this.minClusterSize?this.clusterIcon.hide():(this.center&&this.clusterIcon.setCenter(this.center),this.clusterIcon.useStyle(this.markerClusterer.getCalculator()(this.markers,this.markerClusterer.getStyles().length)),this.clusterIcon.show())},e.prototype.isMarkerAlreadyAdded=function(t){if(this.markers.includes)return this.markers.includes(t);for(var e=0;e<this.markers.length;e++)if(t===this.markers[e])return!0;return!1},e}(),i=function(t,e){var i=t.length,s=i.toString().length,r=Math.min(s,e);return{text:i.toString(),index:r,title:""}},s=[53,56,66,78,90],r=function(){function t(e,r,o){void 0===r&&(r=[]),void 0===o&&(o={}),this.extend(t,google.maps.OverlayView),this.markers=[],this.clusters=[],this.listeners=[],this.activeMap=null,this.ready=!1,this.gridSize=o.gridSize||60,this.minClusterSize=o.minimumClusterSize||2,this.maxZoom=o.maxZoom||null,this.styles=o.styles||[],this.title=o.title||"",this.zoomOnClick=!0,void 0!==o.zoomOnClick&&(this.zoomOnClick=o.zoomOnClick),this.averageCenter=!1,void 0!==o.averageCenter&&(this.averageCenter=o.averageCenter),this.ignoreHidden=!1,void 0!==o.ignoreHidden&&(this.ignoreHidden=o.ignoreHidden),this.enableRetinaIcons=!1,void 0!==o.enableRetinaIcons&&(this.enableRetinaIcons=o.enableRetinaIcons),this.imagePath=o.imagePath||"https://developers.google.com/maps/documentation/javascript/examples/markerclusterer/m",this.imageExtension=o.imageExtension||"png",this.imageSizes=o.imageSizes||s,this.calculator=o.calculator||i,this.batchSize=o.batchSize||2e3,this.batchSizeIE=o.batchSizeIE||500,this.clusterClass=o.clusterClass||"cluster",-1!==navigator.userAgent.toLowerCase().indexOf("msie")&&(this.batchSize=this.batchSizeIE),this.timerRefStatic=null,this.setupStyles(),this.addMarkers(r,!0),this.setMap(e)}return t.prototype.onAdd=function(){var t=this;this.activeMap=this.getMap(),this.ready=!0,this.repaint(),this.listeners=[google.maps.event.addListener(this.getMap(),"zoom_changed",(function(){t.resetViewport(!1),t.getMap().getZoom()!==(t.get("minZoom")||0)&&t.getMap().getZoom()!==t.get("maxZoom")||google.maps.event.trigger(t,"idle")})),google.maps.event.addListener(this.getMap(),"idle",(function(){t.redraw()}))]},t.prototype.onRemove=function(){for(var t=0;t<this.markers.length;t++)this.markers[t].getMap()!==this.activeMap&&this.markers[t].setMap(this.activeMap);for(t=0;t<this.clusters.length;t++)this.clusters[t].remove();this.clusters=[];for(t=0;t<this.listeners.length;t++)google.maps.event.removeListener(this.listeners[t]);this.listeners=[],this.activeMap=null,this.ready=!1},t.prototype.draw=function(){},t.prototype.setupStyles=function(){if(!(this.styles.length>0))for(var t=0;t<this.imageSizes.length;t++)this.styles.push({url:this.imagePath+(t+1)+"."+this.imageExtension,height:this.imageSizes[t],width:this.imageSizes[t]})},t.prototype.fitMapToMarkers=function(){for(var t=this.getMarkers(),e=new google.maps.LatLngBounds,i=0;i<t.length;i++){var s=t[i].getPosition();s&&e.extend(s)}this.getMap().fitBounds(e)},t.prototype.getGridSize=function(){return this.gridSize},t.prototype.setGridSize=function(t){this.gridSize=t},t.prototype.getMinimumClusterSize=function(){return this.minClusterSize},t.prototype.setMinimumClusterSize=function(t){this.minClusterSize=t},t.prototype.getMaxZoom=function(){return this.maxZoom},t.prototype.setMaxZoom=function(t){this.maxZoom=t},t.prototype.getStyles=function(){return this.styles},t.prototype.setStyles=function(t){this.styles=t},t.prototype.getTitle=function(){return this.title},t.prototype.setTitle=function(t){this.title=t},t.prototype.getZoomOnClick=function(){return this.zoomOnClick},t.prototype.setZoomOnClick=function(t){this.zoomOnClick=t},t.prototype.getAverageCenter=function(){return this.averageCenter},t.prototype.setAverageCenter=function(t){this.averageCenter=t},t.prototype.getIgnoreHidden=function(){return this.ignoreHidden},t.prototype.setIgnoreHidden=function(t){this.ignoreHidden=t},t.prototype.getEnableRetinaIcons=function(){return this.enableRetinaIcons},t.prototype.setEnableRetinaIcons=function(t){this.enableRetinaIcons=t},t.prototype.getImageExtension=function(){return this.imageExtension},t.prototype.setImageExtension=function(t){this.imageExtension=t},t.prototype.getImagePath=function(){return this.imagePath},t.prototype.setImagePath=function(t){this.imagePath=t},t.prototype.getImageSizes=function(){return this.imageSizes},t.prototype.setImageSizes=function(t){this.imageSizes=t},t.prototype.getCalculator=function(){return this.calculator},t.prototype.setCalculator=function(t){this.calculator=t},t.prototype.getBatchSizeIE=function(){return this.batchSizeIE},t.prototype.setBatchSizeIE=function(t){this.batchSizeIE=t},t.prototype.getClusterClass=function(){return this.clusterClass},t.prototype.setClusterClass=function(t){this.clusterClass=t},t.prototype.getMarkers=function(){return this.markers},t.prototype.getTotalMarkers=function(){return this.markers.length},t.prototype.getClusters=function(){return this.clusters},t.prototype.getTotalClusters=function(){return this.clusters.length},t.prototype.addMarker=function(t,e){this.pushMarkerTo(t),e||this.redraw()},t.prototype.addMarkers=function(t,e){for(var i in t)t.hasOwnProperty(i)&&this.pushMarkerTo(t[i]);e||this.redraw()},t.prototype.pushMarkerTo=function(t){var e=this;t.getDraggable()&&google.maps.event.addListener(t,"dragend",(function(){e.ready&&(t.isAdded=!1,e.repaint())})),t.isAdded=!1,this.markers.push(t)},t.prototype.removeMarker_=function(t){var e=-1;if(this.markers.indexOf)e=this.markers.indexOf(t);else for(var i=0;i<this.markers.length;i++)if(t===this.markers[i]){e=i;break}return-1!==e&&(t.setMap(null),this.markers.splice(e,1),!0)},t.prototype.removeMarker=function(t,e){var i=this.removeMarker_(t);return!e&&i&&this.repaint(),i},t.prototype.removeMarkers=function(t,e){for(var i=!1,s=0;s<t.length;s++)i=i||this.removeMarker_(t[s]);return!e&&i&&this.repaint(),i},t.prototype.clearMarkers=function(){this.resetViewport(!0),this.markers=[]},t.prototype.repaint=function(){var t=this.clusters.slice();this.clusters=[],this.resetViewport(!1),this.redraw(),setTimeout((function(){for(var e=0;e<t.length;e++)t[e].remove()}),0)},t.prototype.getExtendedBounds=function(t){var e=this.getProjection(),i=e.fromLatLngToDivPixel(new google.maps.LatLng(t.getNorthEast().lat(),t.getNorthEast().lng()));i.x+=this.gridSize,i.y-=this.gridSize;var s=e.fromLatLngToDivPixel(new google.maps.LatLng(t.getSouthWest().lat(),t.getSouthWest().lng()));return s.x-=this.gridSize,s.y+=this.gridSize,t.extend(e.fromDivPixelToLatLng(i)),t.extend(e.fromDivPixelToLatLng(s)),t},t.prototype.redraw=function(){this.createClusters(0)},t.prototype.resetViewport=function(t){for(var e=0;e<this.clusters.length;e++)this.clusters[e].remove();this.clusters=[];for(e=0;e<this.markers.length;e++){var i=this.markers[e];i.isAdded=!1,t&&i.setMap(null)}},t.prototype.distanceBetweenPoints=function(t,e){var i=(e.lat()-t.lat())*Math.PI/180,s=(e.lng()-t.lng())*Math.PI/180,r=Math.sin(i/2)*Math.sin(i/2)+Math.cos(t.lat()*Math.PI/180)*Math.cos(e.lat()*Math.PI/180)*Math.sin(s/2)*Math.sin(s/2);return 2*Math.atan2(Math.sqrt(r),Math.sqrt(1-r))*6371},t.prototype.isMarkerInBounds=function(t,e){var i=t.getPosition();return!!i&&e.contains(i)},t.prototype.addToClosestCluster=function(t){for(var i,s=4e4,r=null,o=0;o<this.clusters.length;o++){var n=(i=this.clusters[o]).getCenter(),a=t.getPosition();if(n&&a){var h=this.distanceBetweenPoints(n,a);h<s&&(s=h,r=i)}}r&&r.isMarkerInClusterBounds(t)?r.addMarker(t):((i=new e(this)).addMarker(t),this.clusters.push(i))},t.prototype.createClusters=function(t){var e=this;if(this.ready){0===t&&(google.maps.event.trigger(this,"clusteringbegin",this),null!==this.timerRefStatic&&(window.clearTimeout(this.timerRefStatic),delete this.timerRefStatic));for(var i=this.getMap().getZoom()>3?new google.maps.LatLngBounds(this.getMap().getBounds().getSouthWest(),this.getMap().getBounds().getNorthEast()):new google.maps.LatLngBounds(new google.maps.LatLng(85.02070771743472,-178.48388434375),new google.maps.LatLng(-85.08136444384544,178.00048865625)),s=this.getExtendedBounds(i),r=Math.min(t+this.batchSize,this.markers.length),o=t;o<r;o++){var n=this.markers[o];!n.isAdded&&this.isMarkerInBounds(n,s)&&(!this.ignoreHidden||this.ignoreHidden&&n.getVisible())&&this.addToClosestCluster(n)}if(r<this.markers.length)this.timerRefStatic=window.setTimeout((function(){e.createClusters(r)}),0);else{this.timerRefStatic=null,google.maps.event.trigger(this,"clusteringend",this);for(o=0;o<this.clusters.length;o++)this.clusters[o].updateIcon()}}},t.prototype.extend=function(t,e){return function(t){for(var e in t.prototype)this.prototype[e]=t.prototype[e];return this}.apply(t,[e])},t}();export{e as Cluster,t as ClusterIcon,r as Clusterer};
 //# sourceMappingURL=esm.min.js.map

dist/umd.js

@@ -350,3 +350,4 @@ (function (global, factory) {
             var maxZoom = this.markerClusterer.getMaxZoom();
-            if (maxZoom !== null && this.map.getZoom() > maxZoom) {
+            var zoom = this.map.getZoom();
+            if (maxZoom !== null && typeof zoom !== 'undefined' && zoom > maxZoom) {
                 // Zoomed in past max zoom, so show the marker.
@@ -389,3 +390,4 @@ if (marker.getMap() !== this.map) {
             var maxZoom = this.markerClusterer.getMaxZoom();
-            if (maxZoom !== null && this.map.getZoom() > maxZoom) {
+            var zoom = this.map.getZoom();
+            if (maxZoom !== null && typeof zoom !== 'undefined' && zoom > maxZoom) {
                 this.clusterIcon.hide();
@@ -392,0 +394,0 @@ return;

dist/umd.min.js

@@ -1,2 +0,2 @@
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e((t="undefined"!=typeof globalThis?globalThis:t||self).markerClusterer={})}(this,(function(t){"use strict";var e=function(){function t(e,i){e.getClusterer().extend(t,google.maps.OverlayView),this.cluster=e,this.className=this.cluster.getClusterer().getClusterClass(),this.styles=i,this.center=void 0,this.div=null,this.sums=null,this.visible=!1,this.boundsChangedListener=null,this.url="",this.height=0,this.width=0,this.anchorText=[0,0],this.anchorIcon=[0,0],this.textColor="black",this.textSize=11,this.textDecoration="none",this.fontWeight="bold",this.fontStyle="normal",this.fontFamily="Arial,sans-serif",this.backgroundPosition="0 0",this.setMap(e.getMap())}return t.prototype.onAdd=function(){var t,e,i=this;this.div=document.createElement("div"),this.div.className=this.className,this.visible&&this.show(),this.getPanes().overlayMouseTarget.appendChild(this.div),this.boundsChangedListener=google.maps.event.addListener(this.getMap(),"boundschanged",(function(){e=t})),google.maps.event.addDomListener(this.div,"mousedown",(function(){t=!0,e=!1})),google.maps.event.addDomListener(this.div,"click",(function(s){if(t=!1,!e){var r=i.cluster.getClusterer();if(google.maps.event.trigger(r,"click",i.cluster),google.maps.event.trigger(r,"clusterclick",i.cluster),r.getZoomOnClick()){var o=r.getMaxZoom(),n=i.cluster.getBounds();r.getMap().fitBounds(n),setTimeout((function(){r.getMap().fitBounds(n),null!==o&&r.getMap().getZoom()>o&&r.getMap().setZoom(o+1)}),100)}s.cancelBubble=!0,s.stopPropagation&&s.stopPropagation()}})),google.maps.event.addDomListener(this.div,"mouseover",(function(){google.maps.event.trigger(i.cluster.getClusterer(),"mouseover",i.cluster)})),google.maps.event.addDomListener(this.div,"mouseout",(function(){google.maps.event.trigger(i.cluster.getClusterer(),"mouseout",i.cluster)}))},t.prototype.onRemove=function(){this.div&&this.div.parentNode&&(this.hide(),null!==this.boundsChangedListener&&google.maps.event.removeListener(this.boundsChangedListener),google.maps.event.clearInstanceListeners(this.div),this.div.parentNode.removeChild(this.div),this.div=null)},t.prototype.draw=function(){if(this.visible&&null!==this.div&&this.center){var t=this.getPosFromLatLng(this.center),e=t.x,i=t.y;this.div.style.top=i+"px",this.div.style.left=e+"px"}},t.prototype.hide=function(){this.div&&(this.div.style.display="none"),this.visible=!1},t.prototype.show=function(){if(this.div&&this.center){var t="",e="",i=this.backgroundPosition.split(" "),s=parseInt(i[0].replace(/^\s+|\s+$/g,""),10),r=parseInt(i[1].replace(/^\s+|\s+$/g,""),10),o=this.getPosFromLatLng(this.center);e=null===this.sums||void 0===this.sums.title||""===this.sums.title?this.cluster.getClusterer().getTitle():this.sums.title,this.div.style.cssText=this.createCss(o),t="<img alt='"+e+"' src='"+this.url+"' style='position: absolute; top: "+r+"px; left: "+s+"px; ",this.cluster.getClusterer().enableRetinaIcons||(t+="clip: rect("+-1*r+"px, "+(-1*s+this.width)+"px, "+(-1*r+this.height)+"px, "+-1*s+"px);"),t+="'>",this.div.innerHTML=t+"<div style='position: absolute;top: "+this.anchorText[0]+"px;left: "+this.anchorText[1]+"px;color: "+this.textColor+";font-size: "+this.textSize+"px;font-family: "+this.fontFamily+";font-weight: "+this.fontWeight+";font-style: "+this.fontStyle+";text-decoration: "+this.textDecoration+";text-align: center;width: "+this.width+"px;line-height:"+this.height+"px;'>"+this.sums.text+"</div>",this.div.title=e,this.div.style.display=""}this.visible=!0},t.prototype.useStyle=function(t){this.sums=t;var e=this.styles[Math.min(this.styles.length-1,Math.max(0,t.index-1))];this.url=e.url,this.height=e.height,this.width=e.width,e.className&&(this.className=this.className+" "+e.className),this.anchorText=e.anchorText||[0,0],this.anchorIcon=e.anchorIcon||[this.height/2,this.width/2],this.textColor=e.textColor||"black",this.textSize=e.textSize||11,this.textDecoration=e.textDecoration||"none",this.fontWeight=e.fontWeight||"bold",this.fontStyle=e.fontStyle||"normal",this.fontFamily=e.fontFamily||"Arial,sans-serif",this.backgroundPosition=e.backgroundPosition||"0 0"},t.prototype.setCenter=function(t){this.center=t},t.prototype.createCss=function(t){var e=[];return e.push("cursor: pointer;"),e.push("position: absolute; top: "+t.y+"px; left: "+t.x+"px;"),e.push("width: "+this.width+"px; height: "+this.height+"px;"),e.join("")},t.prototype.getPosFromLatLng=function(t){var e=this.getProjection().fromLatLngToDivPixel(t);return e.x-=this.anchorIcon[1],e.y-=this.anchorIcon[0],e},t}(),i=function(){function t(t){this.markerClusterer=t,this.map=this.markerClusterer.getMap(),this.gridSize=this.markerClusterer.getGridSize(),this.minClusterSize=this.markerClusterer.getMinimumClusterSize(),this.averageCenter=this.markerClusterer.getAverageCenter(),this.markers=[],this.center=void 0,this.bounds=null,this.clusterIcon=new e(this,this.markerClusterer.getStyles())}return t.prototype.getSize=function(){return this.markers.length},t.prototype.getMarkers=function(){return this.markers},t.prototype.getCenter=function(){return this.center},t.prototype.getMap=function(){return this.map},t.prototype.getClusterer=function(){return this.markerClusterer},t.prototype.getBounds=function(){for(var t=new google.maps.LatLngBounds(this.center,this.center),e=this.getMarkers(),i=0;i<e.length;i++){var s=e[i].getPosition();s&&t.extend(s)}return t},t.prototype.remove=function(){this.clusterIcon.setMap(null),this.markers=[],delete this.markers},t.prototype.addMarker=function(t){if(this.isMarkerAlreadyAdded(t))return!1;var e;if(this.center){if(this.averageCenter&&(e=t.getPosition())){var i=this.markers.length+1;this.center=new google.maps.LatLng((this.center.lat()*(i-1)+e.lat())/i,(this.center.lng()*(i-1)+e.lng())/i),this.calculateBounds()}}else(e=t.getPosition())&&(this.center=e,this.calculateBounds());t.isAdded=!0,this.markers.push(t);var s=this.markers.length,r=this.markerClusterer.getMaxZoom();if(null!==r&&this.map.getZoom()>r)t.getMap()!==this.map&&t.setMap(this.map);else if(s<this.minClusterSize)t.getMap()!==this.map&&t.setMap(this.map);else if(s===this.minClusterSize)for(var o=0;o<s;o++)this.markers[o].setMap(null);else t.setMap(null);return!0},t.prototype.isMarkerInClusterBounds=function(t){if(null!==this.bounds){var e=t.getPosition();if(e)return this.bounds.contains(e)}return!1},t.prototype.calculateBounds=function(){this.bounds=this.markerClusterer.getExtendedBounds(new google.maps.LatLngBounds(this.center,this.center))},t.prototype.updateIcon=function(){var t=this.markers.length,e=this.markerClusterer.getMaxZoom();null!==e&&this.map.getZoom()>e||t<this.minClusterSize?this.clusterIcon.hide():(this.center&&this.clusterIcon.setCenter(this.center),this.clusterIcon.useStyle(this.markerClusterer.getCalculator()(this.markers,this.markerClusterer.getStyles().length)),this.clusterIcon.show())},t.prototype.isMarkerAlreadyAdded=function(t){if(this.markers.includes)return this.markers.includes(t);for(var e=0;e<this.markers.length;e++)if(t===this.markers[e])return!0;return!1},t}(),s=function(t,e){var i=t.length,s=i.toString().length,r=Math.min(s,e);return{text:i.toString(),index:r,title:""}},r=[53,56,66,78,90],o=function(){function t(e,i,o){void 0===i&&(i=[]),void 0===o&&(o={}),this.extend(t,google.maps.OverlayView),this.markers=[],this.clusters=[],this.listeners=[],this.activeMap=null,this.ready=!1,this.gridSize=o.gridSize||60,this.minClusterSize=o.minimumClusterSize||2,this.maxZoom=o.maxZoom||null,this.styles=o.styles||[],this.title=o.title||"",this.zoomOnClick=!0,void 0!==o.zoomOnClick&&(this.zoomOnClick=o.zoomOnClick),this.averageCenter=!1,void 0!==o.averageCenter&&(this.averageCenter=o.averageCenter),this.ignoreHidden=!1,void 0!==o.ignoreHidden&&(this.ignoreHidden=o.ignoreHidden),this.enableRetinaIcons=!1,void 0!==o.enableRetinaIcons&&(this.enableRetinaIcons=o.enableRetinaIcons),this.imagePath=o.imagePath||"https://developers.google.com/maps/documentation/javascript/examples/markerclusterer/m",this.imageExtension=o.imageExtension||"png",this.imageSizes=o.imageSizes||r,this.calculator=o.calculator||s,this.batchSize=o.batchSize||2e3,this.batchSizeIE=o.batchSizeIE||500,this.clusterClass=o.clusterClass||"cluster",-1!==navigator.userAgent.toLowerCase().indexOf("msie")&&(this.batchSize=this.batchSizeIE),this.timerRefStatic=null,this.setupStyles(),this.addMarkers(i,!0),this.setMap(e)}return t.prototype.onAdd=function(){var t=this;this.activeMap=this.getMap(),this.ready=!0,this.repaint(),this.listeners=[google.maps.event.addListener(this.getMap(),"zoom_changed",(function(){t.resetViewport(!1),t.getMap().getZoom()!==(t.get("minZoom")||0)&&t.getMap().getZoom()!==t.get("maxZoom")||google.maps.event.trigger(t,"idle")})),google.maps.event.addListener(this.getMap(),"idle",(function(){t.redraw()}))]},t.prototype.onRemove=function(){for(var t=0;t<this.markers.length;t++)this.markers[t].getMap()!==this.activeMap&&this.markers[t].setMap(this.activeMap);for(t=0;t<this.clusters.length;t++)this.clusters[t].remove();this.clusters=[];for(t=0;t<this.listeners.length;t++)google.maps.event.removeListener(this.listeners[t]);this.listeners=[],this.activeMap=null,this.ready=!1},t.prototype.draw=function(){},t.prototype.setupStyles=function(){if(!(this.styles.length>0))for(var t=0;t<this.imageSizes.length;t++)this.styles.push({url:this.imagePath+(t+1)+"."+this.imageExtension,height:this.imageSizes[t],width:this.imageSizes[t]})},t.prototype.fitMapToMarkers=function(){for(var t=this.getMarkers(),e=new google.maps.LatLngBounds,i=0;i<t.length;i++){var s=t[i].getPosition();s&&e.extend(s)}this.getMap().fitBounds(e)},t.prototype.getGridSize=function(){return this.gridSize},t.prototype.setGridSize=function(t){this.gridSize=t},t.prototype.getMinimumClusterSize=function(){return this.minClusterSize},t.prototype.setMinimumClusterSize=function(t){this.minClusterSize=t},t.prototype.getMaxZoom=function(){return this.maxZoom},t.prototype.setMaxZoom=function(t){this.maxZoom=t},t.prototype.getStyles=function(){return this.styles},t.prototype.setStyles=function(t){this.styles=t},t.prototype.getTitle=function(){return this.title},t.prototype.setTitle=function(t){this.title=t},t.prototype.getZoomOnClick=function(){return this.zoomOnClick},t.prototype.setZoomOnClick=function(t){this.zoomOnClick=t},t.prototype.getAverageCenter=function(){return this.averageCenter},t.prototype.setAverageCenter=function(t){this.averageCenter=t},t.prototype.getIgnoreHidden=function(){return this.ignoreHidden},t.prototype.setIgnoreHidden=function(t){this.ignoreHidden=t},t.prototype.getEnableRetinaIcons=function(){return this.enableRetinaIcons},t.prototype.setEnableRetinaIcons=function(t){this.enableRetinaIcons=t},t.prototype.getImageExtension=function(){return this.imageExtension},t.prototype.setImageExtension=function(t){this.imageExtension=t},t.prototype.getImagePath=function(){return this.imagePath},t.prototype.setImagePath=function(t){this.imagePath=t},t.prototype.getImageSizes=function(){return this.imageSizes},t.prototype.setImageSizes=function(t){this.imageSizes=t},t.prototype.getCalculator=function(){return this.calculator},t.prototype.setCalculator=function(t){this.calculator=t},t.prototype.getBatchSizeIE=function(){return this.batchSizeIE},t.prototype.setBatchSizeIE=function(t){this.batchSizeIE=t},t.prototype.getClusterClass=function(){return this.clusterClass},t.prototype.setClusterClass=function(t){this.clusterClass=t},t.prototype.getMarkers=function(){return this.markers},t.prototype.getTotalMarkers=function(){return this.markers.length},t.prototype.getClusters=function(){return this.clusters},t.prototype.getTotalClusters=function(){return this.clusters.length},t.prototype.addMarker=function(t,e){this.pushMarkerTo(t),e||this.redraw()},t.prototype.addMarkers=function(t,e){for(var i in t)t.hasOwnProperty(i)&&this.pushMarkerTo(t[i]);e||this.redraw()},t.prototype.pushMarkerTo=function(t){var e=this;t.getDraggable()&&google.maps.event.addListener(t,"dragend",(function(){e.ready&&(t.isAdded=!1,e.repaint())})),t.isAdded=!1,this.markers.push(t)},t.prototype.removeMarker_=function(t){var e=-1;if(this.markers.indexOf)e=this.markers.indexOf(t);else for(var i=0;i<this.markers.length;i++)if(t===this.markers[i]){e=i;break}return-1!==e&&(t.setMap(null),this.markers.splice(e,1),!0)},t.prototype.removeMarker=function(t,e){var i=this.removeMarker_(t);return!e&&i&&this.repaint(),i},t.prototype.removeMarkers=function(t,e){for(var i=!1,s=0;s<t.length;s++)i=i||this.removeMarker_(t[s]);return!e&&i&&this.repaint(),i},t.prototype.clearMarkers=function(){this.resetViewport(!0),this.markers=[]},t.prototype.repaint=function(){var t=this.clusters.slice();this.clusters=[],this.resetViewport(!1),this.redraw(),setTimeout((function(){for(var e=0;e<t.length;e++)t[e].remove()}),0)},t.prototype.getExtendedBounds=function(t){var e=this.getProjection(),i=e.fromLatLngToDivPixel(new google.maps.LatLng(t.getNorthEast().lat(),t.getNorthEast().lng()));i.x+=this.gridSize,i.y-=this.gridSize;var s=e.fromLatLngToDivPixel(new google.maps.LatLng(t.getSouthWest().lat(),t.getSouthWest().lng()));return s.x-=this.gridSize,s.y+=this.gridSize,t.extend(e.fromDivPixelToLatLng(i)),t.extend(e.fromDivPixelToLatLng(s)),t},t.prototype.redraw=function(){this.createClusters(0)},t.prototype.resetViewport=function(t){for(var e=0;e<this.clusters.length;e++)this.clusters[e].remove();this.clusters=[];for(e=0;e<this.markers.length;e++){var i=this.markers[e];i.isAdded=!1,t&&i.setMap(null)}},t.prototype.distanceBetweenPoints=function(t,e){var i=(e.lat()-t.lat())*Math.PI/180,s=(e.lng()-t.lng())*Math.PI/180,r=Math.sin(i/2)*Math.sin(i/2)+Math.cos(t.lat()*Math.PI/180)*Math.cos(e.lat()*Math.PI/180)*Math.sin(s/2)*Math.sin(s/2);return 2*Math.atan2(Math.sqrt(r),Math.sqrt(1-r))*6371},t.prototype.isMarkerInBounds=function(t,e){var i=t.getPosition();return!!i&&e.contains(i)},t.prototype.addToClosestCluster=function(t){for(var e,s=4e4,r=null,o=0;o<this.clusters.length;o++){var n=(e=this.clusters[o]).getCenter(),a=t.getPosition();if(n&&a){var h=this.distanceBetweenPoints(n,a);h<s&&(s=h,r=e)}}r&&r.isMarkerInClusterBounds(t)?r.addMarker(t):((e=new i(this)).addMarker(t),this.clusters.push(e))},t.prototype.createClusters=function(t){var e=this;if(this.ready){0===t&&(google.maps.event.trigger(this,"clusteringbegin",this),null!==this.timerRefStatic&&(window.clearTimeout(this.timerRefStatic),delete this.timerRefStatic));for(var i=this.getMap().getZoom()>3?new google.maps.LatLngBounds(this.getMap().getBounds().getSouthWest(),this.getMap().getBounds().getNorthEast()):new google.maps.LatLngBounds(new google.maps.LatLng(85.02070771743472,-178.48388434375),new google.maps.LatLng(-85.08136444384544,178.00048865625)),s=this.getExtendedBounds(i),r=Math.min(t+this.batchSize,this.markers.length),o=t;o<r;o++){var n=this.markers[o];!n.isAdded&&this.isMarkerInBounds(n,s)&&(!this.ignoreHidden||this.ignoreHidden&&n.getVisible())&&this.addToClosestCluster(n)}if(r<this.markers.length)this.timerRefStatic=window.setTimeout((function(){e.createClusters(r)}),0);else{this.timerRefStatic=null,google.maps.event.trigger(this,"clusteringend",this);for(o=0;o<this.clusters.length;o++)this.clusters[o].updateIcon()}}},t.prototype.extend=function(t,e){return function(t){for(var e in t.prototype)this.prototype[e]=t.prototype[e];return this}.apply(t,[e])},t}();t.Cluster=i,t.ClusterIcon=e,t.Clusterer=o,Object.defineProperty(t,"__esModule",{value:!0})}));
+!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e((t="undefined"!=typeof globalThis?globalThis:t||self).markerClusterer={})}(this,(function(t){"use strict";var e=function(){function t(e,i){e.getClusterer().extend(t,google.maps.OverlayView),this.cluster=e,this.className=this.cluster.getClusterer().getClusterClass(),this.styles=i,this.center=void 0,this.div=null,this.sums=null,this.visible=!1,this.boundsChangedListener=null,this.url="",this.height=0,this.width=0,this.anchorText=[0,0],this.anchorIcon=[0,0],this.textColor="black",this.textSize=11,this.textDecoration="none",this.fontWeight="bold",this.fontStyle="normal",this.fontFamily="Arial,sans-serif",this.backgroundPosition="0 0",this.setMap(e.getMap())}return t.prototype.onAdd=function(){var t,e,i=this;this.div=document.createElement("div"),this.div.className=this.className,this.visible&&this.show(),this.getPanes().overlayMouseTarget.appendChild(this.div),this.boundsChangedListener=google.maps.event.addListener(this.getMap(),"boundschanged",(function(){e=t})),google.maps.event.addDomListener(this.div,"mousedown",(function(){t=!0,e=!1})),google.maps.event.addDomListener(this.div,"click",(function(s){if(t=!1,!e){var r=i.cluster.getClusterer();if(google.maps.event.trigger(r,"click",i.cluster),google.maps.event.trigger(r,"clusterclick",i.cluster),r.getZoomOnClick()){var o=r.getMaxZoom(),n=i.cluster.getBounds();r.getMap().fitBounds(n),setTimeout((function(){r.getMap().fitBounds(n),null!==o&&r.getMap().getZoom()>o&&r.getMap().setZoom(o+1)}),100)}s.cancelBubble=!0,s.stopPropagation&&s.stopPropagation()}})),google.maps.event.addDomListener(this.div,"mouseover",(function(){google.maps.event.trigger(i.cluster.getClusterer(),"mouseover",i.cluster)})),google.maps.event.addDomListener(this.div,"mouseout",(function(){google.maps.event.trigger(i.cluster.getClusterer(),"mouseout",i.cluster)}))},t.prototype.onRemove=function(){this.div&&this.div.parentNode&&(this.hide(),null!==this.boundsChangedListener&&google.maps.event.removeListener(this.boundsChangedListener),google.maps.event.clearInstanceListeners(this.div),this.div.parentNode.removeChild(this.div),this.div=null)},t.prototype.draw=function(){if(this.visible&&null!==this.div&&this.center){var t=this.getPosFromLatLng(this.center),e=t.x,i=t.y;this.div.style.top=i+"px",this.div.style.left=e+"px"}},t.prototype.hide=function(){this.div&&(this.div.style.display="none"),this.visible=!1},t.prototype.show=function(){if(this.div&&this.center){var t="",e="",i=this.backgroundPosition.split(" "),s=parseInt(i[0].replace(/^\s+|\s+$/g,""),10),r=parseInt(i[1].replace(/^\s+|\s+$/g,""),10),o=this.getPosFromLatLng(this.center);e=null===this.sums||void 0===this.sums.title||""===this.sums.title?this.cluster.getClusterer().getTitle():this.sums.title,this.div.style.cssText=this.createCss(o),t="<img alt='"+e+"' src='"+this.url+"' style='position: absolute; top: "+r+"px; left: "+s+"px; ",this.cluster.getClusterer().enableRetinaIcons||(t+="clip: rect("+-1*r+"px, "+(-1*s+this.width)+"px, "+(-1*r+this.height)+"px, "+-1*s+"px);"),t+="'>",this.div.innerHTML=t+"<div style='position: absolute;top: "+this.anchorText[0]+"px;left: "+this.anchorText[1]+"px;color: "+this.textColor+";font-size: "+this.textSize+"px;font-family: "+this.fontFamily+";font-weight: "+this.fontWeight+";font-style: "+this.fontStyle+";text-decoration: "+this.textDecoration+";text-align: center;width: "+this.width+"px;line-height:"+this.height+"px;'>"+this.sums.text+"</div>",this.div.title=e,this.div.style.display=""}this.visible=!0},t.prototype.useStyle=function(t){this.sums=t;var e=this.styles[Math.min(this.styles.length-1,Math.max(0,t.index-1))];this.url=e.url,this.height=e.height,this.width=e.width,e.className&&(this.className=this.className+" "+e.className),this.anchorText=e.anchorText||[0,0],this.anchorIcon=e.anchorIcon||[this.height/2,this.width/2],this.textColor=e.textColor||"black",this.textSize=e.textSize||11,this.textDecoration=e.textDecoration||"none",this.fontWeight=e.fontWeight||"bold",this.fontStyle=e.fontStyle||"normal",this.fontFamily=e.fontFamily||"Arial,sans-serif",this.backgroundPosition=e.backgroundPosition||"0 0"},t.prototype.setCenter=function(t){this.center=t},t.prototype.createCss=function(t){var e=[];return e.push("cursor: pointer;"),e.push("position: absolute; top: "+t.y+"px; left: "+t.x+"px;"),e.push("width: "+this.width+"px; height: "+this.height+"px;"),e.join("")},t.prototype.getPosFromLatLng=function(t){var e=this.getProjection().fromLatLngToDivPixel(t);return e.x-=this.anchorIcon[1],e.y-=this.anchorIcon[0],e},t}(),i=function(){function t(t){this.markerClusterer=t,this.map=this.markerClusterer.getMap(),this.gridSize=this.markerClusterer.getGridSize(),this.minClusterSize=this.markerClusterer.getMinimumClusterSize(),this.averageCenter=this.markerClusterer.getAverageCenter(),this.markers=[],this.center=void 0,this.bounds=null,this.clusterIcon=new e(this,this.markerClusterer.getStyles())}return t.prototype.getSize=function(){return this.markers.length},t.prototype.getMarkers=function(){return this.markers},t.prototype.getCenter=function(){return this.center},t.prototype.getMap=function(){return this.map},t.prototype.getClusterer=function(){return this.markerClusterer},t.prototype.getBounds=function(){for(var t=new google.maps.LatLngBounds(this.center,this.center),e=this.getMarkers(),i=0;i<e.length;i++){var s=e[i].getPosition();s&&t.extend(s)}return t},t.prototype.remove=function(){this.clusterIcon.setMap(null),this.markers=[],delete this.markers},t.prototype.addMarker=function(t){if(this.isMarkerAlreadyAdded(t))return!1;var e;if(this.center){if(this.averageCenter&&(e=t.getPosition())){var i=this.markers.length+1;this.center=new google.maps.LatLng((this.center.lat()*(i-1)+e.lat())/i,(this.center.lng()*(i-1)+e.lng())/i),this.calculateBounds()}}else(e=t.getPosition())&&(this.center=e,this.calculateBounds());t.isAdded=!0,this.markers.push(t);var s=this.markers.length,r=this.markerClusterer.getMaxZoom(),o=this.map.getZoom();if(null!==r&&void 0!==o&&o>r)t.getMap()!==this.map&&t.setMap(this.map);else if(s<this.minClusterSize)t.getMap()!==this.map&&t.setMap(this.map);else if(s===this.minClusterSize)for(var n=0;n<s;n++)this.markers[n].setMap(null);else t.setMap(null);return!0},t.prototype.isMarkerInClusterBounds=function(t){if(null!==this.bounds){var e=t.getPosition();if(e)return this.bounds.contains(e)}return!1},t.prototype.calculateBounds=function(){this.bounds=this.markerClusterer.getExtendedBounds(new google.maps.LatLngBounds(this.center,this.center))},t.prototype.updateIcon=function(){var t=this.markers.length,e=this.markerClusterer.getMaxZoom(),i=this.map.getZoom();null!==e&&void 0!==i&&i>e||t<this.minClusterSize?this.clusterIcon.hide():(this.center&&this.clusterIcon.setCenter(this.center),this.clusterIcon.useStyle(this.markerClusterer.getCalculator()(this.markers,this.markerClusterer.getStyles().length)),this.clusterIcon.show())},t.prototype.isMarkerAlreadyAdded=function(t){if(this.markers.includes)return this.markers.includes(t);for(var e=0;e<this.markers.length;e++)if(t===this.markers[e])return!0;return!1},t}(),s=function(t,e){var i=t.length,s=i.toString().length,r=Math.min(s,e);return{text:i.toString(),index:r,title:""}},r=[53,56,66,78,90],o=function(){function t(e,i,o){void 0===i&&(i=[]),void 0===o&&(o={}),this.extend(t,google.maps.OverlayView),this.markers=[],this.clusters=[],this.listeners=[],this.activeMap=null,this.ready=!1,this.gridSize=o.gridSize||60,this.minClusterSize=o.minimumClusterSize||2,this.maxZoom=o.maxZoom||null,this.styles=o.styles||[],this.title=o.title||"",this.zoomOnClick=!0,void 0!==o.zoomOnClick&&(this.zoomOnClick=o.zoomOnClick),this.averageCenter=!1,void 0!==o.averageCenter&&(this.averageCenter=o.averageCenter),this.ignoreHidden=!1,void 0!==o.ignoreHidden&&(this.ignoreHidden=o.ignoreHidden),this.enableRetinaIcons=!1,void 0!==o.enableRetinaIcons&&(this.enableRetinaIcons=o.enableRetinaIcons),this.imagePath=o.imagePath||"https://developers.google.com/maps/documentation/javascript/examples/markerclusterer/m",this.imageExtension=o.imageExtension||"png",this.imageSizes=o.imageSizes||r,this.calculator=o.calculator||s,this.batchSize=o.batchSize||2e3,this.batchSizeIE=o.batchSizeIE||500,this.clusterClass=o.clusterClass||"cluster",-1!==navigator.userAgent.toLowerCase().indexOf("msie")&&(this.batchSize=this.batchSizeIE),this.timerRefStatic=null,this.setupStyles(),this.addMarkers(i,!0),this.setMap(e)}return t.prototype.onAdd=function(){var t=this;this.activeMap=this.getMap(),this.ready=!0,this.repaint(),this.listeners=[google.maps.event.addListener(this.getMap(),"zoom_changed",(function(){t.resetViewport(!1),t.getMap().getZoom()!==(t.get("minZoom")||0)&&t.getMap().getZoom()!==t.get("maxZoom")||google.maps.event.trigger(t,"idle")})),google.maps.event.addListener(this.getMap(),"idle",(function(){t.redraw()}))]},t.prototype.onRemove=function(){for(var t=0;t<this.markers.length;t++)this.markers[t].getMap()!==this.activeMap&&this.markers[t].setMap(this.activeMap);for(t=0;t<this.clusters.length;t++)this.clusters[t].remove();this.clusters=[];for(t=0;t<this.listeners.length;t++)google.maps.event.removeListener(this.listeners[t]);this.listeners=[],this.activeMap=null,this.ready=!1},t.prototype.draw=function(){},t.prototype.setupStyles=function(){if(!(this.styles.length>0))for(var t=0;t<this.imageSizes.length;t++)this.styles.push({url:this.imagePath+(t+1)+"."+this.imageExtension,height:this.imageSizes[t],width:this.imageSizes[t]})},t.prototype.fitMapToMarkers=function(){for(var t=this.getMarkers(),e=new google.maps.LatLngBounds,i=0;i<t.length;i++){var s=t[i].getPosition();s&&e.extend(s)}this.getMap().fitBounds(e)},t.prototype.getGridSize=function(){return this.gridSize},t.prototype.setGridSize=function(t){this.gridSize=t},t.prototype.getMinimumClusterSize=function(){return this.minClusterSize},t.prototype.setMinimumClusterSize=function(t){this.minClusterSize=t},t.prototype.getMaxZoom=function(){return this.maxZoom},t.prototype.setMaxZoom=function(t){this.maxZoom=t},t.prototype.getStyles=function(){return this.styles},t.prototype.setStyles=function(t){this.styles=t},t.prototype.getTitle=function(){return this.title},t.prototype.setTitle=function(t){this.title=t},t.prototype.getZoomOnClick=function(){return this.zoomOnClick},t.prototype.setZoomOnClick=function(t){this.zoomOnClick=t},t.prototype.getAverageCenter=function(){return this.averageCenter},t.prototype.setAverageCenter=function(t){this.averageCenter=t},t.prototype.getIgnoreHidden=function(){return this.ignoreHidden},t.prototype.setIgnoreHidden=function(t){this.ignoreHidden=t},t.prototype.getEnableRetinaIcons=function(){return this.enableRetinaIcons},t.prototype.setEnableRetinaIcons=function(t){this.enableRetinaIcons=t},t.prototype.getImageExtension=function(){return this.imageExtension},t.prototype.setImageExtension=function(t){this.imageExtension=t},t.prototype.getImagePath=function(){return this.imagePath},t.prototype.setImagePath=function(t){this.imagePath=t},t.prototype.getImageSizes=function(){return this.imageSizes},t.prototype.setImageSizes=function(t){this.imageSizes=t},t.prototype.getCalculator=function(){return this.calculator},t.prototype.setCalculator=function(t){this.calculator=t},t.prototype.getBatchSizeIE=function(){return this.batchSizeIE},t.prototype.setBatchSizeIE=function(t){this.batchSizeIE=t},t.prototype.getClusterClass=function(){return this.clusterClass},t.prototype.setClusterClass=function(t){this.clusterClass=t},t.prototype.getMarkers=function(){return this.markers},t.prototype.getTotalMarkers=function(){return this.markers.length},t.prototype.getClusters=function(){return this.clusters},t.prototype.getTotalClusters=function(){return this.clusters.length},t.prototype.addMarker=function(t,e){this.pushMarkerTo(t),e||this.redraw()},t.prototype.addMarkers=function(t,e){for(var i in t)t.hasOwnProperty(i)&&this.pushMarkerTo(t[i]);e||this.redraw()},t.prototype.pushMarkerTo=function(t){var e=this;t.getDraggable()&&google.maps.event.addListener(t,"dragend",(function(){e.ready&&(t.isAdded=!1,e.repaint())})),t.isAdded=!1,this.markers.push(t)},t.prototype.removeMarker_=function(t){var e=-1;if(this.markers.indexOf)e=this.markers.indexOf(t);else for(var i=0;i<this.markers.length;i++)if(t===this.markers[i]){e=i;break}return-1!==e&&(t.setMap(null),this.markers.splice(e,1),!0)},t.prototype.removeMarker=function(t,e){var i=this.removeMarker_(t);return!e&&i&&this.repaint(),i},t.prototype.removeMarkers=function(t,e){for(var i=!1,s=0;s<t.length;s++)i=i||this.removeMarker_(t[s]);return!e&&i&&this.repaint(),i},t.prototype.clearMarkers=function(){this.resetViewport(!0),this.markers=[]},t.prototype.repaint=function(){var t=this.clusters.slice();this.clusters=[],this.resetViewport(!1),this.redraw(),setTimeout((function(){for(var e=0;e<t.length;e++)t[e].remove()}),0)},t.prototype.getExtendedBounds=function(t){var e=this.getProjection(),i=e.fromLatLngToDivPixel(new google.maps.LatLng(t.getNorthEast().lat(),t.getNorthEast().lng()));i.x+=this.gridSize,i.y-=this.gridSize;var s=e.fromLatLngToDivPixel(new google.maps.LatLng(t.getSouthWest().lat(),t.getSouthWest().lng()));return s.x-=this.gridSize,s.y+=this.gridSize,t.extend(e.fromDivPixelToLatLng(i)),t.extend(e.fromDivPixelToLatLng(s)),t},t.prototype.redraw=function(){this.createClusters(0)},t.prototype.resetViewport=function(t){for(var e=0;e<this.clusters.length;e++)this.clusters[e].remove();this.clusters=[];for(e=0;e<this.markers.length;e++){var i=this.markers[e];i.isAdded=!1,t&&i.setMap(null)}},t.prototype.distanceBetweenPoints=function(t,e){var i=(e.lat()-t.lat())*Math.PI/180,s=(e.lng()-t.lng())*Math.PI/180,r=Math.sin(i/2)*Math.sin(i/2)+Math.cos(t.lat()*Math.PI/180)*Math.cos(e.lat()*Math.PI/180)*Math.sin(s/2)*Math.sin(s/2);return 2*Math.atan2(Math.sqrt(r),Math.sqrt(1-r))*6371},t.prototype.isMarkerInBounds=function(t,e){var i=t.getPosition();return!!i&&e.contains(i)},t.prototype.addToClosestCluster=function(t){for(var e,s=4e4,r=null,o=0;o<this.clusters.length;o++){var n=(e=this.clusters[o]).getCenter(),a=t.getPosition();if(n&&a){var h=this.distanceBetweenPoints(n,a);h<s&&(s=h,r=e)}}r&&r.isMarkerInClusterBounds(t)?r.addMarker(t):((e=new i(this)).addMarker(t),this.clusters.push(e))},t.prototype.createClusters=function(t){var e=this;if(this.ready){0===t&&(google.maps.event.trigger(this,"clusteringbegin",this),null!==this.timerRefStatic&&(window.clearTimeout(this.timerRefStatic),delete this.timerRefStatic));for(var i=this.getMap().getZoom()>3?new google.maps.LatLngBounds(this.getMap().getBounds().getSouthWest(),this.getMap().getBounds().getNorthEast()):new google.maps.LatLngBounds(new google.maps.LatLng(85.02070771743472,-178.48388434375),new google.maps.LatLng(-85.08136444384544,178.00048865625)),s=this.getExtendedBounds(i),r=Math.min(t+this.batchSize,this.markers.length),o=t;o<r;o++){var n=this.markers[o];!n.isAdded&&this.isMarkerInBounds(n,s)&&(!this.ignoreHidden||this.ignoreHidden&&n.getVisible())&&this.addToClosestCluster(n)}if(r<this.markers.length)this.timerRefStatic=window.setTimeout((function(){e.createClusters(r)}),0);else{this.timerRefStatic=null,google.maps.event.trigger(this,"clusteringend",this);for(o=0;o<this.clusters.length;o++)this.clusters[o].updateIcon()}}},t.prototype.extend=function(t,e){return function(t){for(var e in t.prototype)this.prototype[e]=t.prototype[e];return this}.apply(t,[e])},t}();t.Cluster=i,t.ClusterIcon=e,t.Clusterer=o,Object.defineProperty(t,"__esModule",{value:!0})}));
 //# sourceMappingURL=umd.min.js.map

package.json

 {
   "name": "@react-google-maps/marker-clusterer",
   "sideEffects": false,
-  "version": "2.3.1",
+  "version": "2.4.0",
   "description": "Marker Clusterer for React.js Google Maps API",
@@ -61,3 +61,3 @@ "license": "MIT",
     "@types/babel-types": "7.0.11",
-    "@types/googlemaps": "3.43.3",
+    "@types/google.maps": "3.45.6",
     "@types/jest": "27.0.1",
@@ -64,0 +64,0 @@ "@types/react-dom": "17.0.9",

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555536

increased by0.31%

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4714

increased by0.19%

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