!function (e, t) { "object" == typeof exports && "undefined" != typeof module ? t(exports) : "function" == typeof define && define.amd ? define(["exports"], t) : t((e.Leaflet = e.Leaflet || {}, e.Leaflet.markercluster = e.Leaflet.markercluster || {})) }(this, function (e) { "use strict"; var t = L.MarkerClusterGroup = L.FeatureGroup.extend({ options: { maxClusterRadius: 80, iconCreateFunction: null, clusterPane: L.Marker.prototype.options.pane, spiderfyOnMaxZoom: !0, showCoverageOnHover: !0, zoomToBoundsOnClick: !0, singleMarkerMode: !1, disableClusteringAtZoom: null, removeOutsideVisibleBounds: !0, animate: !0, animateAddingMarkers: !1, spiderfyDistanceMultiplier: 1, spiderLegPolylineOptions: { weight: 1.5, color: "#222", opacity: .5 }, chunkedLoading: !1, chunkInterval: 200, chunkDelay: 50, chunkProgress: null, polygonOptions: {} }, initialize: function (e) { L.Util.setOptions(this, e), this.options.iconCreateFunction || (this.options.iconCreateFunction = this._defaultIconCreateFunction), this._featureGroup = L.featureGroup(), this._featureGroup.addEventParent(this), this._nonPointGroup = L.featureGroup(), this._nonPointGroup.addEventParent(this), this._inZoomAnimation = 0, this._needsClustering = [], this._needsRemoving = [], this._currentShownBounds = null, this._queue = [], this._childMarkerEventHandlers = { dragstart: this._childMarkerDragStart, move: this._childMarkerMoved, dragend: this._childMarkerDragEnd }; var t = L.DomUtil.TRANSITION && this.options.animate; L.extend(this, t ? this._withAnimation : this._noAnimation), this._markerCluster = t ? L.MarkerCluster : L.MarkerClusterNonAnimated }, addLayer: function (e) { if (e instanceof L.LayerGroup) return this.addLayers([e]); if (!e.getLatLng) return this._nonPointGroup.addLayer(e), this.fire("layeradd", { layer: e }), this; if (!this._map) return this._needsClustering.push(e), this.fire("layeradd", { layer: e }), this; if (this.hasLayer(e)) return this; this._unspiderfy && this._unspiderfy(), this._addLayer(e, this._maxZoom), this.fire("layeradd", { layer: e }), this._topClusterLevel._recalculateBounds(), this._refreshClustersIcons(); var t = e, i = this._zoom; if (e.__parent) for (; t.__parent._zoom >= i;)t = t.__parent; return this._currentShownBounds.contains(t.getLatLng()) && (this.options.animateAddingMarkers ? this._animationAddLayer(e, t) : this._animationAddLayerNonAnimated(e, t)), this }, removeLayer: function (e) { return e instanceof L.LayerGroup ? this.removeLayers([e]) : e.getLatLng ? this._map ? e.__parent ? (this._unspiderfy && (this._unspiderfy(), this._unspiderfyLayer(e)), this._removeLayer(e, !0), this.fire("layerremove", { layer: e }), this._topClusterLevel._recalculateBounds(), this._refreshClustersIcons(), e.off(this._childMarkerEventHandlers, this), this._featureGroup.hasLayer(e) && (this._featureGroup.removeLayer(e), e.clusterShow && e.clusterShow()), this) : this : (!this._arraySplice(this._needsClustering, e) && this.hasLayer(e) && this._needsRemoving.push({ layer: e, latlng: e._latlng }), this.fire("layerremove", { layer: e }), this) : (this._nonPointGroup.removeLayer(e), this.fire("layerremove", { layer: e }), this) }, addLayers: function (e, t) { if (!L.Util.isArray(e)) return this.addLayer(e); var i, n = this._featureGroup, r = this._nonPointGroup, s = this.options.chunkedLoading, o = this.options.chunkInterval, a = this.options.chunkProgress, h = e.length, l = 0, u = !0; if (this._map) { var _ = (new Date).getTime(), d = L.bind(function () { for (var c = (new Date).getTime(); h > l; l++) { if (s && 0 === l % 200) { var p = (new Date).getTime() - c; if (p > o) break } if (i = e[l], i instanceof L.LayerGroup) u && (e = e.slice(), u = !1), this._extractNonGroupLayers(i, e), h = e.length; else if (i.getLatLng) { if (!this.hasLayer(i) && (this._addLayer(i, this._maxZoom), t || this.fire("layeradd", { layer: i }), i.__parent && 2 === i.__parent.getChildCount())) { var f = i.__parent.getAllChildMarkers(), m = f[0] === i ? f[1] : f[0]; n.removeLayer(m) } } else r.addLayer(i), t || this.fire("layeradd", { layer: i }) } a && a(l, h, (new Date).getTime() - _), l === h ? (this._topClusterLevel._recalculateBounds(), this._refreshClustersIcons(), this._topClusterLevel._recursivelyAddChildrenToMap(null, this._zoom, this._currentShownBounds)) : setTimeout(d, this.options.chunkDelay) }, this); d() } else for (var c = this._needsClustering; h > l; l++)i = e[l], i instanceof L.LayerGroup ? (u && (e = e.slice(), u = !1), this._extractNonGroupLayers(i, e), h = e.length) : i.getLatLng ? this.hasLayer(i) || c.push(i) : r.addLayer(i); return this }, removeLayers: function (e) { var t, i, n = e.length, r = this._featureGroup, s = this._nonPointGroup, o = !0; if (!this._map) { for (t = 0; n > t; t++)i = e[t], i instanceof L.LayerGroup ? (o && (e = e.slice(), o = !1), this._extractNonGroupLayers(i, e), n = e.length) : (this._arraySplice(this._needsClustering, i), s.removeLayer(i), this.hasLayer(i) && this._needsRemoving.push({ layer: i, latlng: i._latlng }), this.fire("layerremove", { layer: i })); return this } if (this._unspiderfy) { this._unspiderfy(); var a = e.slice(), h = n; for (t = 0; h > t; t++)i = a[t], i instanceof L.LayerGroup ? (this._extractNonGroupLayers(i, a), h = a.length) : this._unspiderfyLayer(i) } for (t = 0; n > t; t++)i = e[t], i instanceof L.LayerGroup ? (o && (e = e.slice(), o = !1), this._extractNonGroupLayers(i, e), n = e.length) : i.__parent ? (this._removeLayer(i, !0, !0), this.fire("layerremove", { layer: i }), r.hasLayer(i) && (r.removeLayer(i), i.clusterShow && i.clusterShow())) : (s.removeLayer(i), this.fire("layerremove", { layer: i })); return this._topClusterLevel._recalculateBounds(), this._refreshClustersIcons(), this._topClusterLevel._recursivelyAddChildrenToMap(null, this._zoom, this._currentShownBounds), this }, clearLayers: function () { return this._map || (this._needsClustering = [], this._needsRemoving = [], delete this._gridClusters, delete this._gridUnclustered), this._noanimationUnspiderfy && this._noanimationUnspiderfy(), this._featureGroup.clearLayers(), this._nonPointGroup.clearLayers(), this.eachLayer(function (e) { e.off(this._childMarkerEventHandlers, this), delete e.__parent }, this), this._map && this._generateInitialClusters(), this }, getBounds: function () { var e = new L.LatLngBounds; this._topClusterLevel && e.extend(this._topClusterLevel._bounds); for (var t = this._needsClustering.length - 1; t >= 0; t--)e.extend(this._needsClustering[t].getLatLng()); return e.extend(this._nonPointGroup.getBounds()), e }, eachLayer: function (e, t) { var i, n, r, s = this._needsClustering.slice(), o = this._needsRemoving; for (this._topClusterLevel && this._topClusterLevel.getAllChildMarkers(s), n = s.length - 1; n >= 0; n--) { for (i = !0, r = o.length - 1; r >= 0; r--)if (o[r].layer === s[n]) { i = !1; break } i && e.call(t, s[n]) } this._nonPointGroup.eachLayer(e, t) }, getLayers: function () { var e = []; return this.eachLayer(function (t) { e.push(t) }), e }, getLayer: function (e) { var t = null; return e = parseInt(e, 10), this.eachLayer(function (i) { L.stamp(i) === e && (t = i) }), t }, hasLayer: function (e) { if (!e) return !1; var t, i = this._needsClustering; for (t = i.length - 1; t >= 0; t--)if (i[t] === e) return !0; for (i = this._needsRemoving, t = i.length - 1; t >= 0; t--)if (i[t].layer === e) return !1; return !(!e.__parent || e.__parent._group !== this) || this._nonPointGroup.hasLayer(e) }, zoomToShowLayer: function (e, t) { "function" != typeof t && (t = function () { }); var i = function () { !e._icon && !e.__parent._icon || this._inZoomAnimation || (this._map.off("moveend", i, this), this.off("animationend", i, this), e._icon ? t() : e.__parent._icon && (this.once("spiderfied", t, this), e.__parent.spiderfy())) }; e._icon && this._map.getBounds().contains(e.getLatLng()) ? t() : e.__parent._zoom < Math.round(this._map._zoom) ? (this._map.on("moveend", i, this), this._map.panTo(e.getLatLng())) : (this._map.on("moveend", i, this), this.on("animationend", i, this), e.__parent.zoomToBounds()) }, onAdd: function (e) { this._map = e; var t, i, n; if (!isFinite(this._map.getMaxZoom())) throw "Map has no maxZoom specified"; for (this._featureGroup.addTo(e), this._nonPointGroup.addTo(e), this._gridClusters || this._generateInitialClusters(), this._maxLat = e.options.crs.projection.MAX_LATITUDE, t = 0, i = this._needsRemoving.length; i > t; t++)n = this._needsRemoving[t], n.newlatlng = n.layer._latlng, n.layer._latlng = n.latlng; for (t = 0, i = this._needsRemoving.length; i > t; t++)n = this._needsRemoving[t], this._removeLayer(n.layer, !0), n.layer._latlng = n.newlatlng; this._needsRemoving = [], this._zoom = Math.round(this._map._zoom), this._currentShownBounds = this._getExpandedVisibleBounds(), this._map.on("zoomend", this._zoomEnd, this), this._map.on("moveend", this._moveEnd, this), this._spiderfierOnAdd && this._spiderfierOnAdd(), this._bindEvents(), i = this._needsClustering, this._needsClustering = [], this.addLayers(i, !0) }, onRemove: function (e) { e.off("zoomend", this._zoomEnd, this), e.off("moveend", this._moveEnd, this), this._unbindEvents(), this._map._mapPane.className = this._map._mapPane.className.replace(" leaflet-cluster-anim", ""), this._spiderfierOnRemove && this._spiderfierOnRemove(), delete this._maxLat, this._hideCoverage(), this._featureGroup.remove(), this._nonPointGroup.remove(), this._featureGroup.clearLayers(), this._map = null }, getVisibleParent: function (e) { for (var t = e; t && !t._icon;)t = t.__parent; return t || null }, _arraySplice: function (e, t) { for (var i = e.length - 1; i >= 0; i--)if (e[i] === t) return e.splice(i, 1), !0 }, _removeFromGridUnclustered: function (e, t) { for (var i = this._map, n = this._gridUnclustered, r = Math.floor(this._map.getMinZoom()); t >= r && n[t].removeObject(e, i.project(e.getLatLng(), t)); t--); }, _childMarkerDragStart: function (e) { e.target.__dragStart = e.target._latlng }, _childMarkerMoved: function (e) { if (!this._ignoreMove && !e.target.__dragStart) { var t = e.target._popup && e.target._popup.isOpen(); this._moveChild(e.target, e.oldLatLng, e.latlng), t && e.target.openPopup() } }, _moveChild: function (e, t, i) { e._latlng = t, this.removeLayer(e), e._latlng = i, this.addLayer(e) }, _childMarkerDragEnd: function (e) { var t = e.target.__dragStart; delete e.target.__dragStart, t && this._moveChild(e.target, t, e.target._latlng) }, _removeLayer: function (e, t, i) { var n = this._gridClusters, r = this._gridUnclustered, s = this._featureGroup, o = this._map, a = Math.floor(this._map.getMinZoom()); t && this._removeFromGridUnclustered(e, this._maxZoom); var h, l = e.__parent, u = l._markers; for (this._arraySplice(u, e); l && (l._childCount-- , l._boundsNeedUpdate = !0, !(l._zoom < a));)t && l._childCount <= 1 ? (h = l._markers[0] === e ? l._markers[1] : l._markers[0], n[l._zoom].removeObject(l, o.project(l._cLatLng, l._zoom)), r[l._zoom].addObject(h, o.project(h.getLatLng(), l._zoom)), this._arraySplice(l.__parent._childClusters, l), l.__parent._markers.push(h), h.__parent = l.__parent, l._icon && (s.removeLayer(l), i || s.addLayer(h))) : l._iconNeedsUpdate = !0, l = l.__parent; delete e.__parent }, _isOrIsParent: function (e, t) { for (; t;) { if (e === t) return !0; t = t.parentNode } return !1 }, fire: function (e, t, i) { if (t && t.layer instanceof L.MarkerCluster) { if (t.originalEvent && this._isOrIsParent(t.layer._icon, t.originalEvent.relatedTarget)) return; e = "cluster" + e } L.FeatureGroup.prototype.fire.call(this, e, t, i) }, listens: function (e, t) { return L.FeatureGroup.prototype.listens.call(this, e, t) || L.FeatureGroup.prototype.listens.call(this, "cluster" + e, t) }, _defaultIconCreateFunction: function (e) { var t = e.getChildCount(), i = " marker-cluster-"; return i += 10 > t ? "small" : 100 > t ? "medium" : "large", new L.DivIcon({ html: "
" + t + "
", className: "marker-cluster" + i, iconSize: new L.Point(40, 40) }) }, _bindEvents: function () { var e = this._map, t = this.options.spiderfyOnMaxZoom, i = this.options.showCoverageOnHover, n = this.options.zoomToBoundsOnClick; (t || n) && this.on("clusterclick", this._zoomOrSpiderfy, this), i && (this.on("clustermouseover", this._showCoverage, this), this.on("clustermouseout", this._hideCoverage, this), e.on("zoomend", this._hideCoverage, this)) }, _zoomOrSpiderfy: function (e) { for (var t = e.layer, i = t; 1 === i._childClusters.length;)i = i._childClusters[0]; i._zoom === this._maxZoom && i._childCount === t._childCount && this.options.spiderfyOnMaxZoom ? t.spiderfy() : this.options.zoomToBoundsOnClick && t.zoomToBounds(), e.originalEvent && 13 === e.originalEvent.keyCode && this._map._container.focus() }, _showCoverage: function (e) { var t = this._map; this._inZoomAnimation || (this._shownPolygon && t.removeLayer(this._shownPolygon), e.layer.getChildCount() > 2 && e.layer !== this._spiderfied && (this._shownPolygon = new L.Polygon(e.layer.getConvexHull(), this.options.polygonOptions), t.addLayer(this._shownPolygon))) }, _hideCoverage: function () { this._shownPolygon && (this._map.removeLayer(this._shownPolygon), this._shownPolygon = null) }, _unbindEvents: function () { var e = this.options.spiderfyOnMaxZoom, t = this.options.showCoverageOnHover, i = this.options.zoomToBoundsOnClick, n = this._map; (e || i) && this.off("clusterclick", this._zoomOrSpiderfy, this), t && (this.off("clustermouseover", this._showCoverage, this), this.off("clustermouseout", this._hideCoverage, this), n.off("zoomend", this._hideCoverage, this)) }, _zoomEnd: function () { this._map && (this._mergeSplitClusters(), this._zoom = Math.round(this._map._zoom), this._currentShownBounds = this._getExpandedVisibleBounds()) }, _moveEnd: function () { if (!this._inZoomAnimation) { var e = this._getExpandedVisibleBounds(); this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds, Math.floor(this._map.getMinZoom()), this._zoom, e), this._topClusterLevel._recursivelyAddChildrenToMap(null, Math.round(this._map._zoom), e), this._currentShownBounds = e } }, _generateInitialClusters: function () { var e = Math.ceil(this._map.getMaxZoom()), t = Math.floor(this._map.getMinZoom()), i = this.options.maxClusterRadius, n = i; "function" != typeof i && (n = function () { return i }), null !== this.options.disableClusteringAtZoom && (e = this.options.disableClusteringAtZoom - 1), this._maxZoom = e, this._gridClusters = {}, this._gridUnclustered = {}; for (var r = e; r >= t; r--)this._gridClusters[r] = new L.DistanceGrid(n(r)), this._gridUnclustered[r] = new L.DistanceGrid(n(r)); this._topClusterLevel = new this._markerCluster(this, t - 1) }, _addLayer: function (e, t) { var i, n, r = this._gridClusters, s = this._gridUnclustered, o = Math.floor(this._map.getMinZoom()); for (this.options.singleMarkerMode && this._overrideMarkerIcon(e), e.on(this._childMarkerEventHandlers, this); t >= o; t--) { i = this._map.project(e.getLatLng(), t); var a = r[t].getNearObject(i); if (a) return a._addChild(e), e.__parent = a, void 0; if (a = s[t].getNearObject(i)) { var h = a.__parent; h && this._removeLayer(a, !1); var l = new this._markerCluster(this, t, a, e); r[t].addObject(l, this._map.project(l._cLatLng, t)), a.__parent = l, e.__parent = l; var u = l; for (n = t - 1; n > h._zoom; n--)u = new this._markerCluster(this, n, u), r[n].addObject(u, this._map.project(a.getLatLng(), n)); return h._addChild(u), this._removeFromGridUnclustered(a, t), void 0 } s[t].addObject(e, i) } this._topClusterLevel._addChild(e), e.__parent = this._topClusterLevel }, _refreshClustersIcons: function () { this._featureGroup.eachLayer(function (e) { e instanceof L.MarkerCluster && e._iconNeedsUpdate && e._updateIcon() }) }, _enqueue: function (e) { this._queue.push(e), this._queueTimeout || (this._queueTimeout = setTimeout(L.bind(this._processQueue, this), 300)) }, _processQueue: function () { for (var e = 0; e < this._queue.length; e++)this._queue[e].call(this); this._queue.length = 0, clearTimeout(this._queueTimeout), this._queueTimeout = null }, _mergeSplitClusters: function () { var e = Math.round(this._map._zoom); this._processQueue(), this._zoom < e && this._currentShownBounds.intersects(this._getExpandedVisibleBounds()) ? (this._animationStart(), this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds, Math.floor(this._map.getMinZoom()), this._zoom, this._getExpandedVisibleBounds()), this._animationZoomIn(this._zoom, e)) : this._zoom > e ? (this._animationStart(), this._animationZoomOut(this._zoom, e)) : this._moveEnd() }, _getExpandedVisibleBounds: function () { return this.options.removeOutsideVisibleBounds ? L.Browser.mobile ? this._checkBoundsMaxLat(this._map.getBounds()) : this._checkBoundsMaxLat(this._map.getBounds().pad(1)) : this._mapBoundsInfinite }, _checkBoundsMaxLat: function (e) { var t = this._maxLat; return void 0 !== t && (e.getNorth() >= t && (e._northEast.lat = 1 / 0), e.getSouth() <= -t && (e._southWest.lat = -1 / 0)), e }, _animationAddLayerNonAnimated: function (e, t) { if (t === e) this._featureGroup.addLayer(e); else if (2 === t._childCount) { t._addToMap(); var i = t.getAllChildMarkers(); this._featureGroup.removeLayer(i[0]), this._featureGroup.removeLayer(i[1]) } else t._updateIcon() }, _extractNonGroupLayers: function (e, t) { var i, n = e.getLayers(), r = 0; for (t = t || []; r < n.length; r++)i = n[r], i instanceof L.LayerGroup ? this._extractNonGroupLayers(i, t) : t.push(i); return t }, _overrideMarkerIcon: function (e) { var t = e.options.icon = this.options.iconCreateFunction({ getChildCount: function () { return 1 }, getAllChildMarkers: function () { return [e] } }); return t } }); L.MarkerClusterGroup.include({ _mapBoundsInfinite: new L.LatLngBounds(new L.LatLng(-1 / 0, -1 / 0), new L.LatLng(1 / 0, 1 / 0)) }), L.MarkerClusterGroup.include({ _noAnimation: { _animationStart: function () { }, _animationZoomIn: function (e, t) { this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds, Math.floor(this._map.getMinZoom()), e), this._topClusterLevel._recursivelyAddChildrenToMap(null, t, this._getExpandedVisibleBounds()), this.fire("animationend") }, _animationZoomOut: function (e, t) { this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds, Math.floor(this._map.getMinZoom()), e), this._topClusterLevel._recursivelyAddChildrenToMap(null, t, this._getExpandedVisibleBounds()), this.fire("animationend") }, _animationAddLayer: function (e, t) { this._animationAddLayerNonAnimated(e, t) } }, _withAnimation: { _animationStart: function () { this._map._mapPane.className += " leaflet-cluster-anim", this._inZoomAnimation++ }, _animationZoomIn: function (e, t) { var i, n = this._getExpandedVisibleBounds(), r = this._featureGroup, s = Math.floor(this._map.getMinZoom()); this._ignoreMove = !0, this._topClusterLevel._recursively(n, e, s, function (s) { var o, a = s._latlng, h = s._markers; for (n.contains(a) || (a = null), s._isSingleParent() && e + 1 === t ? (r.removeLayer(s), s._recursivelyAddChildrenToMap(null, t, n)) : (s.clusterHide(), s._recursivelyAddChildrenToMap(a, t, n)), i = h.length - 1; i >= 0; i--)o = h[i], n.contains(o._latlng) || r.removeLayer(o) }), this._forceLayout(), this._topClusterLevel._recursivelyBecomeVisible(n, t), r.eachLayer(function (e) { e instanceof L.MarkerCluster || !e._icon || e.clusterShow() }), this._topClusterLevel._recursively(n, e, t, function (e) { e._recursivelyRestoreChildPositions(t) }), this._ignoreMove = !1, this._enqueue(function () { this._topClusterLevel._recursively(n, e, s, function (e) { r.removeLayer(e), e.clusterShow() }), this._animationEnd() }) }, _animationZoomOut: function (e, t) { this._animationZoomOutSingle(this._topClusterLevel, e - 1, t), this._topClusterLevel._recursivelyAddChildrenToMap(null, t, this._getExpandedVisibleBounds()), this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds, Math.floor(this._map.getMinZoom()), e, this._getExpandedVisibleBounds()) }, _animationAddLayer: function (e, t) { var i = this, n = this._featureGroup; n.addLayer(e), t !== e && (t._childCount > 2 ? (t._updateIcon(), this._forceLayout(), this._animationStart(), e._setPos(this._map.latLngToLayerPoint(t.getLatLng())), e.clusterHide(), this._enqueue(function () { n.removeLayer(e), e.clusterShow(), i._animationEnd() })) : (this._forceLayout(), i._animationStart(), i._animationZoomOutSingle(t, this._map.getMaxZoom(), this._zoom))) } }, _animationZoomOutSingle: function (e, t, i) { var n = this._getExpandedVisibleBounds(), r = Math.floor(this._map.getMinZoom()); e._recursivelyAnimateChildrenInAndAddSelfToMap(n, r, t + 1, i); var s = this; this._forceLayout(), e._recursivelyBecomeVisible(n, i), this._enqueue(function () { if (1 === e._childCount) { var o = e._markers[0]; this._ignoreMove = !0, o.setLatLng(o.getLatLng()), this._ignoreMove = !1, o.clusterShow && o.clusterShow() } else e._recursively(n, i, r, function (e) { e._recursivelyRemoveChildrenFromMap(n, r, t + 1) }); s._animationEnd() }) }, _animationEnd: function () { this._map && (this._map._mapPane.className = this._map._mapPane.className.replace(" leaflet-cluster-anim", "")), this._inZoomAnimation-- , this.fire("animationend") }, _forceLayout: function () { L.Util.falseFn(document.body.offsetWidth) } }), L.markerClusterGroup = function (e) { return new L.MarkerClusterGroup(e) }; var i = L.MarkerCluster = L.Marker.extend({ options: L.Icon.prototype.options, initialize: function (e, t, i, n) { L.Marker.prototype.initialize.call(this, i ? i._cLatLng || i.getLatLng() : new L.LatLng(0, 0), { icon: this, pane: e.options.clusterPane }), this._group = e, this._zoom = t, this._markers = [], this._childClusters = [], this._childCount = 0, this._iconNeedsUpdate = !0, this._boundsNeedUpdate = !0, this._bounds = new L.LatLngBounds, i && this._addChild(i), n && this._addChild(n) }, getAllChildMarkers: function (e, t) { e = e || []; for (var i = this._childClusters.length - 1; i >= 0; i--)this._childClusters[i].getAllChildMarkers(e); for (var n = this._markers.length - 1; n >= 0; n--)t && this._markers[n].__dragStart || e.push(this._markers[n]); return e }, getChildCount: function () { return this._childCount }, zoomToBounds: function (e) { for (var t, i = this._childClusters.slice(), n = this._group._map, r = n.getBoundsZoom(this._bounds), s = this._zoom + 1, o = n.getZoom(); i.length > 0 && r > s;) { s++; var a = []; for (t = 0; t < i.length; t++)a = a.concat(i[t]._childClusters); i = a } r > s ? this._group._map.setView(this._latlng, s) : o >= r ? this._group._map.setView(this._latlng, o + 1) : this._group._map.fitBounds(this._bounds, e) }, getBounds: function () { var e = new L.LatLngBounds; return e.extend(this._bounds), e }, _updateIcon: function () { this._iconNeedsUpdate = !0, this._icon && this.setIcon(this) }, createIcon: function () { return this._iconNeedsUpdate && (this._iconObj = this._group.options.iconCreateFunction(this), this._iconNeedsUpdate = !1), this._iconObj.createIcon() }, createShadow: function () { return this._iconObj.createShadow() }, _addChild: function (e, t) { this._iconNeedsUpdate = !0, this._boundsNeedUpdate = !0, this._setClusterCenter(e), e instanceof L.MarkerCluster ? (t || (this._childClusters.push(e), e.__parent = this), this._childCount += e._childCount) : (t || this._markers.push(e), this._childCount++), this.__parent && this.__parent._addChild(e, !0) }, _setClusterCenter: function (e) { this._cLatLng || (this._cLatLng = e._cLatLng || e._latlng) }, _resetBounds: function () { var e = this._bounds; e._southWest && (e._southWest.lat = 1 / 0, e._southWest.lng = 1 / 0), e._northEast && (e._northEast.lat = -1 / 0, e._northEast.lng = -1 / 0) }, _recalculateBounds: function () { var e, t, i, n, r = this._markers, s = this._childClusters, o = 0, a = 0, h = this._childCount; if (0 !== h) { for (this._resetBounds(), e = 0; e < r.length; e++)i = r[e]._latlng, this._bounds.extend(i), o += i.lat, a += i.lng; for (e = 0; e < s.length; e++)t = s[e], t._boundsNeedUpdate && t._recalculateBounds(), this._bounds.extend(t._bounds), i = t._wLatLng, n = t._childCount, o += i.lat * n, a += i.lng * n; this._latlng = this._wLatLng = new L.LatLng(o / h, a / h), this._boundsNeedUpdate = !1 } }, _addToMap: function (e) { e && (this._backupLatlng = this._latlng, this.setLatLng(e)), this._group._featureGroup.addLayer(this) }, _recursivelyAnimateChildrenIn: function (e, t, i) { this._recursively(e, this._group._map.getMinZoom(), i - 1, function (e) { var i, n, r = e._markers; for (i = r.length - 1; i >= 0; i--)n = r[i], n._icon && (n._setPos(t), n.clusterHide()) }, function (e) { var i, n, r = e._childClusters; for (i = r.length - 1; i >= 0; i--)n = r[i], n._icon && (n._setPos(t), n.clusterHide()) }) }, _recursivelyAnimateChildrenInAndAddSelfToMap: function (e, t, i, n) { this._recursively(e, n, t, function (r) { r._recursivelyAnimateChildrenIn(e, r._group._map.latLngToLayerPoint(r.getLatLng()).round(), i), r._isSingleParent() && i - 1 === n ? (r.clusterShow(), r._recursivelyRemoveChildrenFromMap(e, t, i)) : r.clusterHide(), r._addToMap() }) }, _recursivelyBecomeVisible: function (e, t) { this._recursively(e, this._group._map.getMinZoom(), t, null, function (e) { e.clusterShow() }) }, _recursivelyAddChildrenToMap: function (e, t, i) { this._recursively(i, this._group._map.getMinZoom() - 1, t, function (n) { if (t !== n._zoom) for (var r = n._markers.length - 1; r >= 0; r--) { var s = n._markers[r]; i.contains(s._latlng) && (e && (s._backupLatlng = s.getLatLng(), s.setLatLng(e), s.clusterHide && s.clusterHide()), n._group._featureGroup.addLayer(s)) } }, function (t) { t._addToMap(e) }) }, _recursivelyRestoreChildPositions: function (e) { for (var t = this._markers.length - 1; t >= 0; t--) { var i = this._markers[t]; i._backupLatlng && (i.setLatLng(i._backupLatlng), delete i._backupLatlng) } if (e - 1 === this._zoom) for (var n = this._childClusters.length - 1; n >= 0; n--)this._childClusters[n]._restorePosition(); else for (var r = this._childClusters.length - 1; r >= 0; r--)this._childClusters[r]._recursivelyRestoreChildPositions(e) }, _restorePosition: function () { this._backupLatlng && (this.setLatLng(this._backupLatlng), delete this._backupLatlng) }, _recursivelyRemoveChildrenFromMap: function (e, t, i, n) { var r, s; this._recursively(e, t - 1, i - 1, function (e) { for (s = e._markers.length - 1; s >= 0; s--)r = e._markers[s], n && n.contains(r._latlng) || (e._group._featureGroup.removeLayer(r), r.clusterShow && r.clusterShow()) }, function (e) { for (s = e._childClusters.length - 1; s >= 0; s--)r = e._childClusters[s], n && n.contains(r._latlng) || (e._group._featureGroup.removeLayer(r), r.clusterShow && r.clusterShow()) }) }, _recursively: function (e, t, i, n, r) { var s, o, a = this._childClusters, h = this._zoom; if (h >= t && (n && n(this), r && h === i && r(this)), t > h || i > h) for (s = a.length - 1; s >= 0; s--)o = a[s], o._boundsNeedUpdate && o._recalculateBounds(), e.intersects(o._bounds) && o._recursively(e, t, i, n, r) }, _isSingleParent: function () { return this._childClusters.length > 0 && this._childClusters[0]._childCount === this._childCount } }); L.Marker.include({ clusterHide: function () { var e = this.options.opacity; return this.setOpacity(0), this.options.opacity = e, this }, clusterShow: function () { return this.setOpacity(this.options.opacity) } }), L.DistanceGrid = function (e) { this._cellSize = e, this._sqCellSize = e * e, this._grid = {}, this._objectPoint = {} }, L.DistanceGrid.prototype = { addObject: function (e, t) { var i = this._getCoord(t.x), n = this._getCoord(t.y), r = this._grid, s = r[n] = r[n] || {}, o = s[i] = s[i] || [], a = L.Util.stamp(e); this._objectPoint[a] = t, o.push(e) }, updateObject: function (e, t) { this.removeObject(e), this.addObject(e, t) }, removeObject: function (e, t) { var i, n, r = this._getCoord(t.x), s = this._getCoord(t.y), o = this._grid, a = o[s] = o[s] || {}, h = a[r] = a[r] || []; for (delete this._objectPoint[L.Util.stamp(e)], i = 0, n = h.length; n > i; i++)if (h[i] === e) return h.splice(i, 1), 1 === n && delete a[r], !0 }, eachObject: function (e, t) { var i, n, r, s, o, a, h, l = this._grid; for (i in l) { o = l[i]; for (n in o) for (a = o[n], r = 0, s = a.length; s > r; r++)h = e.call(t, a[r]), h && (r-- , s--) } }, getNearObject: function (e) { var t, i, n, r, s, o, a, h, l = this._getCoord(e.x), u = this._getCoord(e.y), _ = this._objectPoint, d = this._sqCellSize, c = null; for (t = u - 1; u + 1 >= t; t++)if (r = this._grid[t]) for (i = l - 1; l + 1 >= i; i++)if (s = r[i]) for (n = 0, o = s.length; o > n; n++)a = s[n], h = this._sqDist(_[L.Util.stamp(a)], e), (d > h || d >= h && null === c) && (d = h, c = a); return c }, _getCoord: function (e) { var t = Math.floor(e / this._cellSize); return isFinite(t) ? t : e }, _sqDist: function (e, t) { var i = t.x - e.x, n = t.y - e.y; return i * i + n * n } }, function () { L.QuickHull = { getDistant: function (e, t) { var i = t[1].lat - t[0].lat, n = t[0].lng - t[1].lng; return n * (e.lat - t[0].lat) + i * (e.lng - t[0].lng) }, findMostDistantPointFromBaseLine: function (e, t) { var i, n, r, s = 0, o = null, a = []; for (i = t.length - 1; i >= 0; i--)n = t[i], r = this.getDistant(n, e), r > 0 && (a.push(n), r > s && (s = r, o = n)); return { maxPoint: o, newPoints: a } }, buildConvexHull: function (e, t) { var i = [], n = this.findMostDistantPointFromBaseLine(e, t); return n.maxPoint ? (i = i.concat(this.buildConvexHull([e[0], n.maxPoint], n.newPoints)), i = i.concat(this.buildConvexHull([n.maxPoint, e[1]], n.newPoints))) : [e[0]] }, getConvexHull: function (e) { var t, i = !1, n = !1, r = !1, s = !1, o = null, a = null, h = null, l = null, u = null, _ = null; for (t = e.length - 1; t >= 0; t--) { var d = e[t]; (i === !1 || d.lat > i) && (o = d, i = d.lat), (n === !1 || d.lat < n) && (a = d, n = d.lat), (r === !1 || d.lng > r) && (h = d, r = d.lng), (s === !1 || d.lng < s) && (l = d, s = d.lng) } n !== i ? (_ = a, u = o) : (_ = l, u = h); var c = [].concat(this.buildConvexHull([_, u], e), this.buildConvexHull([u, _], e)); return c } } }(), L.MarkerCluster.include({ getConvexHull: function () { var e, t, i = this.getAllChildMarkers(), n = []; for (t = i.length - 1; t >= 0; t--)e = i[t].getLatLng(), n.push(e); return L.QuickHull.getConvexHull(n) } }), L.MarkerCluster.include({ _2PI: 2 * Math.PI, _circleFootSeparation: 25, _circleStartAngle: 0, _spiralFootSeparation: 28, _spiralLengthStart: 11, _spiralLengthFactor: 5, _circleSpiralSwitchover: 9, spiderfy: function () { if (this._group._spiderfied !== this && !this._group._inZoomAnimation) { var e, t = this.getAllChildMarkers(null, !0), i = this._group, n = i._map, r = n.latLngToLayerPoint(this._latlng); this._group._unspiderfy(), this._group._spiderfied = this, t.length >= this._circleSpiralSwitchover ? e = this._generatePointsSpiral(t.length, r) : (r.y += 10, e = this._generatePointsCircle(t.length, r)), this._animationSpiderfy(t, e) } }, unspiderfy: function (e) { this._group._inZoomAnimation || (this._animationUnspiderfy(e), this._group._spiderfied = null) }, _generatePointsCircle: function (e, t) { var i, n, r = this._group.options.spiderfyDistanceMultiplier * this._circleFootSeparation * (2 + e), s = r / this._2PI, o = this._2PI / e, a = []; for (s = Math.max(s, 35), a.length = e, i = 0; e > i; i++)n = this._circleStartAngle + i * o, a[i] = new L.Point(t.x + s * Math.cos(n), t.y + s * Math.sin(n))._round(); return a }, _generatePointsSpiral: function (e, t) { var i, n = this._group.options.spiderfyDistanceMultiplier, r = n * this._spiralLengthStart, s = n * this._spiralFootSeparation, o = n * this._spiralLengthFactor * this._2PI, a = 0, h = []; for (h.length = e, i = e; i >= 0; i--)e > i && (h[i] = new L.Point(t.x + r * Math.cos(a), t.y + r * Math.sin(a))._round()), a += s / r + 5e-4 * i, r += o / a; return h }, _noanimationUnspiderfy: function () { var e, t, i = this._group, n = i._map, r = i._featureGroup, s = this.getAllChildMarkers(null, !0); for (i._ignoreMove = !0, this.setOpacity(1), t = s.length - 1; t >= 0; t--)e = s[t], r.removeLayer(e), e._preSpiderfyLatlng && (e.setLatLng(e._preSpiderfyLatlng), delete e._preSpiderfyLatlng), e.setZIndexOffset && e.setZIndexOffset(0), e._spiderLeg && (n.removeLayer(e._spiderLeg), delete e._spiderLeg); i.fire("unspiderfied", { cluster: this, markers: s }), i._ignoreMove = !1, i._spiderfied = null } }), L.MarkerClusterNonAnimated = L.MarkerCluster.extend({ _animationSpiderfy: function (e, t) { var i, n, r, s, o = this._group, a = o._map, h = o._featureGroup, l = this._group.options.spiderLegPolylineOptions; for (o._ignoreMove = !0, i = 0; i < e.length; i++)s = a.layerPointToLatLng(t[i]), n = e[i], r = new L.Polyline([this._latlng, s], l), a.addLayer(r), n._spiderLeg = r, n._preSpiderfyLatlng = n._latlng, n.setLatLng(s), n.setZIndexOffset && n.setZIndexOffset(1e6), h.addLayer(n); this.setOpacity(.3), o._ignoreMove = !1, o.fire("spiderfied", { cluster: this, markers: e }) }, _animationUnspiderfy: function () { this._noanimationUnspiderfy() } }), L.MarkerCluster.include({ _animationSpiderfy: function (e, t) { var i, n, r, s, o, a, h = this, l = this._group, u = l._map, _ = l._featureGroup, d = this._latlng, c = u.latLngToLayerPoint(d), p = L.Path.SVG, f = L.extend({}, this._group.options.spiderLegPolylineOptions), m = f.opacity; for (void 0 === m && (m = L.MarkerClusterGroup.prototype.options.spiderLegPolylineOptions.opacity), p ? (f.opacity = 0, f.className = (f.className || "") + " leaflet-cluster-spider-leg") : f.opacity = m, l._ignoreMove = !0, i = 0; i < e.length; i++)n = e[i], a = u.layerPointToLatLng(t[i]), r = new L.Polyline([d, a], f), u.addLayer(r), n._spiderLeg = r, p && (s = r._path, o = s.getTotalLength() + .1, s.style.strokeDasharray = o, s.style.strokeDashoffset = o), n.setZIndexOffset && n.setZIndexOffset(1e6), n.clusterHide && n.clusterHide(), _.addLayer(n), n._setPos && n._setPos(c); for (l._forceLayout(), l._animationStart(), i = e.length - 1; i >= 0; i--)a = u.layerPointToLatLng(t[i]), n = e[i], n._preSpiderfyLatlng = n._latlng, n.setLatLng(a), n.clusterShow && n.clusterShow(), p && (r = n._spiderLeg, s = r._path, s.style.strokeDashoffset = 0, r.setStyle({ opacity: m })); this.setOpacity(.3), l._ignoreMove = !1, setTimeout(function () { l._animationEnd(), l.fire("spiderfied", { cluster: h, markers: e }) }, 200) }, _animationUnspiderfy: function (e) { var t, i, n, r, s, o, a = this, h = this._group, l = h._map, u = h._featureGroup, _ = e ? l._latLngToNewLayerPoint(this._latlng, e.zoom, e.center) : l.latLngToLayerPoint(this._latlng), d = this.getAllChildMarkers(null, !0), c = L.Path.SVG; for (h._ignoreMove = !0, h._animationStart(), this.setOpacity(1), i = d.length - 1; i >= 0; i--)t = d[i], t._preSpiderfyLatlng && (t.closePopup(), t.setLatLng(t._preSpiderfyLatlng), delete t._preSpiderfyLatlng, o = !0, t._setPos && (t._setPos(_), o = !1), t.clusterHide && (t.clusterHide(), o = !1), o && u.removeLayer(t), c && (n = t._spiderLeg, r = n._path, s = r.getTotalLength() + .1, r.style.strokeDashoffset = s, n.setStyle({ opacity: 0 }))); h._ignoreMove = !1, setTimeout(function () { var e = 0; for (i = d.length - 1; i >= 0; i--)t = d[i], t._spiderLeg && e++; for (i = d.length - 1; i >= 0; i--)t = d[i], t._spiderLeg && (t.clusterShow && t.clusterShow(), t.setZIndexOffset && t.setZIndexOffset(0), e > 1 && u.removeLayer(t), l.removeLayer(t._spiderLeg), delete t._spiderLeg); h._animationEnd(), h.fire("unspiderfied", { cluster: a, markers: d }) }, 200) } }), L.MarkerClusterGroup.include({ _spiderfied: null, unspiderfy: function () { this._unspiderfy.apply(this, arguments) }, _spiderfierOnAdd: function () { this._map.on("click", this._unspiderfyWrapper, this), this._map.options.zoomAnimation && this._map.on("zoomstart", this._unspiderfyZoomStart, this), this._map.on("zoomend", this._noanimationUnspiderfy, this), L.Browser.touch || this._map.getRenderer(this) }, _spiderfierOnRemove: function () { this._map.off("click", this._unspiderfyWrapper, this), this._map.off("zoomstart", this._unspiderfyZoomStart, this), this._map.off("zoomanim", this._unspiderfyZoomAnim, this), this._map.off("zoomend", this._noanimationUnspiderfy, this), this._noanimationUnspiderfy() }, _unspiderfyZoomStart: function () { this._map && this._map.on("zoomanim", this._unspiderfyZoomAnim, this) }, _unspiderfyZoomAnim: function (e) { L.DomUtil.hasClass(this._map._mapPane, "leaflet-touching") || (this._map.off("zoomanim", this._unspiderfyZoomAnim, this), this._unspiderfy(e)) }, _unspiderfyWrapper: function () { this._unspiderfy() }, _unspiderfy: function (e) { this._spiderfied && this._spiderfied.unspiderfy(e) }, _noanimationUnspiderfy: function () { this._spiderfied && this._spiderfied._noanimationUnspiderfy() }, _unspiderfyLayer: function (e) { e._spiderLeg && (this._featureGroup.removeLayer(e), e.clusterShow && e.clusterShow(), e.setZIndexOffset && e.setZIndexOffset(0), this._map.removeLayer(e._spiderLeg), delete e._spiderLeg) } }), L.MarkerClusterGroup.include({ refreshClusters: function (e) { return e ? e instanceof L.MarkerClusterGroup ? e = e._topClusterLevel.getAllChildMarkers() : e instanceof L.LayerGroup ? e = e._layers : e instanceof L.MarkerCluster ? e = e.getAllChildMarkers() : e instanceof L.Marker && (e = [e]) : e = this._topClusterLevel.getAllChildMarkers(), this._flagParentsIconsNeedUpdate(e), this._refreshClustersIcons(), this.options.singleMarkerMode && this._refreshSingleMarkerModeMarkers(e), this }, _flagParentsIconsNeedUpdate: function (e) { var t, i; for (t in e) for (i = e[t].__parent; i;)i._iconNeedsUpdate = !0, i = i.__parent }, _refreshSingleMarkerModeMarkers: function (e) { var t, i; for (t in e) i = e[t], this.hasLayer(i) && i.setIcon(this._overrideMarkerIcon(i)) } }), L.Marker.include({ refreshIconOptions: function (e, t) { var i = this.options.icon; return L.setOptions(i, e), this.setIcon(i), t && this.__parent && this.__parent._group.refreshClusters(this), this } }), e.MarkerClusterGroup = t, e.MarkerCluster = i }); //# sourceMappingURL=leaflet.markercluster.js.map