A web browser extension that emulates Content Delivery Networks to improve your online privacy. It intercepts traffic, finds supported resources locally, and injects them into the environment. https://www.localcdn.org/
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/*!
Leaflet.FeatureGroup.SubGroup 1.0.2+00bb0d4
(c) 2015-2017 Boris Seang
License BSD-2-Clause
*/
!function(e,r){"function"==typeof define&&define.amd?define(["leaflet"],r):r("object"==typeof module&&module.exports?require("leaflet"):e.L)}(this,function(e){e.FeatureGroup.SubGroup=e.FeatureGroup.extend({initialize:function(r,t){e.FeatureGroup.prototype.initialize.call(this,t),this.setParentGroup(r)},setParentGroup:function(r){var t=r instanceof e.LayerGroup;return this._parentGroup=r,this.onAdd=t?"function"==typeof r.addLayers?this._onAddToGroupBatch:this._onAddToGroup:this._onAddToMap,this.onRemove=t?"function"==typeof r.removeLayers?this._onRemoveFromGroupBatch:this._onRemoveFromGroup:this._onRemoveFromMap,this.addLayer=t?this._addLayerToGroup:this._addLayerToMap,this.removeLayer=t?this._removeLayerFromGroup:this._removeLayerFromMap,this},setParentGroupSafe:function(e){var r=this._map;return r&&r.removeLayer(this),this.setParentGroup(e),r&&r.addLayer(this),this},getParentGroup:function(){return this._parentGroup},_onAddToGroupBatch:function(e){var r=this.getLayers();this._map=e,this._parentGroup.addLayers(r)},_onRemoveFromGroupBatch:function(){var e=this.getLayers();this._parentGroup.removeLayers(e),this._map=null},_onAddToGroup:function(e){var r=this._parentGroup;this._map=e,this.eachLayer(r.addLayer,r)},_onRemoveFromGroup:function(){var e=this._parentGroup;this.eachLayer(e.removeLayer,e),this._map=null},_onAddToMap:e.FeatureGroup.prototype.onAdd,_onRemoveFromMap:e.FeatureGroup.prototype.onRemove,_addLayerToGroup:function(e){if(this.hasLayer(e))return this;e.addEventParent(this);var r=this.getLayerId(e);return this._layers[r]=e,this._map&&this._parentGroup.addLayer(e),this.fire("layeradd",{layer:e})},_removeLayerFromGroup:function(e){if(!this.hasLayer(e))return this;var r=e in this._layers?e:this.getLayerId(e);return e=this._layers[r],e.removeEventParent(this),this._map&&e&&this._parentGroup.removeLayer(e),delete this._layers[r],this.fire("layerremove",{layer:e})},_addLayerToMap:e.FeatureGroup.prototype.addLayer,_removeLayerFromMap:e.FeatureGroup.prototype.removeLayer}),e.featureGroup.subGroup=function(r,t){return new e.FeatureGroup.SubGroup(r,t)}});