leaflet-kmz/src/KMZLayer.min.js

A KMZ file loader for Leaflet Maps

'use strict';import*as _ from"./utils";
export const KMZLayer=L.KMZLayer=L.FeatureGroup.extend({options:{interactive:true,ballon:true,bindPopup:true,bindTooltip:true,preferCanvas:false},initialize:function(kmzUrl,options){L.extend(this.options,options);if(L.Browser.mobile)this.options.bindTooltip=false;this._layers={};if(kmzUrl)this.load(kmzUrl)},add:function(kmzUrl){this.load(kmzUrl)},load:function(kmzUrl){L.KMZLayer._jsPromise=_.lazyLoader(this._requiredJSModules(),L.KMZLayer._jsPromise).then(()=>this._load(kmzUrl))},_load:function(url){return _.loadFile(url).then((data)=>
this._parse(data,{name:_.getFileName(url),icons:{}}))},_parse:function(data,props){return _.isZipped(data)?this._parseKMZ(data,props):this._parseKML(data,props)},_parseKMZ:function(data,props){_.unzip(data).then((kmzFiles)=>{var kmlDoc=_.getKmlDoc(kmzFiles);var images=_.getImageFiles(Object.keys(kmzFiles));var kmlString=kmzFiles[kmlDoc];props.icons=images.reduce((obj,item)=>{obj[item]=kmzFiles[item];return obj},{});this._parseKML(kmlString,props)})},_parseKML:function(data,props){var xml=_.toXML(data,
props);var geojson=_.toGeoJSON(xml,props);var layer=(this.options.geometryToLayer||this._geometryToLayer).call(this,geojson,xml);this.addLayer(layer);this.fire("load",{layer:layer,name:geojson.properties.name})},_geometryToLayer:function(data,xml){var preferCanvas=this._map?this._map.options.preferCanvas:this.options.preferCanvas;var layer=L.geoJson(data,{pointToLayer:(feature,latlng)=>{if(preferCanvas)return L.kmzMarker(latlng,{iconUrl:data.properties.icons[feature.properties.icon]||feature.properties.icon,
iconSize:[28,28],iconAnchor:[14,14],interactive:this.options.interactive});return L.marker(latlng,{icon:L.icon({iconUrl:data.properties.icons[feature.properties.icon]||feature.properties.icon,iconSize:[28,28],iconAnchor:[14,14]}),interactive:this.options.interactive})},style:(feature)=>{var styles={};var prop=feature.properties;if(prop.stroke){styles.stroke=true;styles.color=prop.stroke}if(prop.fill){styles.fill=true;styles.fillColor=prop.fill}if(prop["stroke-opacity"])styles.opacity=prop["stroke-opacity"];
if(prop["fill-opacity"])styles.fillOpacity=prop["fill-opacity"];if(prop["stroke-width"])styles.weight=prop["stroke-width"]*1.05;return styles},onEachFeature:(feature,layer)=>{if(!this.options.ballon)return;var prop=feature.properties;var name=prop.name||"";var desc=prop.description||"";if(name||desc){if(this.options.bindPopup)layer.bindPopup("<div>"+"<b>"+name+"</b>"+"<br>"+desc+"</div>");if(this.options.bindTooltip)layer.bindTooltip("<b>"+name+"</b>",{direction:"auto",sticky:true})}},interactive:this.options.interactive});
let el=xml.getElementsByTagName("GroundOverlay");for(let l,k=0;k<el.length;k++){l=_.parseGroundOverlay(el[k],data.properties);if(l)layer.addLayer(l)}return layer},_requiredJSModules:function(){var urls=[];var host="https://unpkg.com/";if(typeof window.JSZip!=="function")urls.push(host+"jszip@3.5.0/dist/jszip.min.js");if(typeof window.toGeoJSON!=="object")urls.push(host+"@tmcw/togeojson@4.1.0/dist/togeojson.umd.js");return urls}});L.kmzLayer=function(url,options){return new L.KMZLayer(url,options)};