1(function(global,factory){typeof exports==="object"&&typeof module!=="undefined"?factory(exports,require("leaflet"),require("maplibre-gl")):typeof define==="function"&&define.amd?define(["exports","leaflet","maplibre-gl"],factory):(global=typeof globalThis!=="undefined"?globalThis:global||self,factory(global.MaplibreGLLeaflet={},global.L,global.maplibregl))})(this,function(exports,leaflet,maplibre_gl){Object.defineProperty(exports,"__esModule",{value:!0});var __create=Object.create;var __defProp=Object.defineProperty;var __getOwnPropDesc=Object.getOwnPropertyDescriptor;var __getOwnPropNames=Object.getOwnPropertyNames;var __getProtoOf=Object.getPrototypeOf;var __hasOwnProp=Object.prototype.hasOwnProperty;var __copyProps=(to,from,except,desc)=>{if(from&&typeof from==="object"||typeof from==="function")for(var keys=__getOwnPropNames(from),i=0,n=keys.length,key;i<n;i++){key=keys[i];if(!__hasOwnProp.call(to,key)&&key!==except)__defProp(to,key,{get:((k)=>from[k]).bind(null,key),enumerable:!(desc=__getOwnPropDesc(from,key))||desc.enumerable})} 2return to};var __toESM=(mod,isNodeMode,target)=>(target=mod!=null?__create(__getProtoOf(mod)):{},__copyProps(isNodeMode||!mod||!mod.__esModule||!__hasOwnProp.call(mod,"default")?__defProp(target,"default",{value:mod,enumerable:!0}):target,mod));leaflet=__toESM(leaflet,1);maplibre_gl=__toESM(maplibre_gl,1);var L=leaflet.default||leaflet;var MaplibreGL=L.Layer.extend({options:{updateInterval:32,padding:.1,interactive:!1,pane:"tilePane"},initialize:function(options){L.setOptions(this,options);this._throttledUpdate=L.Util.throttle(this._update,this.options.updateInterval,this)},onAdd:function(map){if(!this._container)this._initContainer();var paneName=this.getPaneName();map.getPane(paneName).appendChild(this._container);this._initGL();this._offset=this._map.containerPointToLayerPoint([0,0]);if(map.options.zoomAnimation)L.DomEvent.on(map._proxy,L.DomUtil.TRANSITION_END,this._transitionEnd,this)},onRemove:function(map){if(this._map._proxy&&this._map.options.zoomAnimation)L.DomEvent.off(this._map._proxy,L.DomUtil.TRANSITION_END,this._transitionEnd,this);var paneName=this.getPaneName();map.getPane(paneName).removeChild(this._container);this._glMap.remove();this._glMap=null},getEvents:function(){return{move:this._throttledUpdate,zoomanim:this._animateZoom,zoom:this._pinchZoom,zoomstart:this._zoomStart,zoomend:this._zoomEnd,resize:this._resize}},getAttribution:function(){if(this.options.attributionControl)return this.options.attributionControl.customAttribution;var map=this._glMap;if(map&&this.options.attributionControl!==!1){var style=map.getStyle();if(style&&style.sources)return Object.keys(style.sources).map(function(sourceId){var source=map.getSource(sourceId);return source&&typeof source.attribution==="string"?source.attribution.trim():null}).filter(Boolean).join(", ")} 3return""},getMaplibreMap:function(){return this._glMap},getCanvas:function(){return this._glMap.getCanvas()},getSize:function(){return this._map.getSize().multiplyBy(1+this.options.padding*2)},getBounds:function(){var halfSize=this.getSize().multiplyBy(.5);var center=this._map.latLngToContainerPoint(this._map.getCenter());return L.latLngBounds(this._map.containerPointToLatLng(center.subtract(halfSize)),this._map.containerPointToLatLng(center.add(halfSize)))},getContainer:function(){return this._container},getPaneName:function(){return this._map.getPane(this.options.pane)?this.options.pane:"tilePane"},_roundPoint:function(p){return{x:Math.round(p.x),y:Math.round(p.y)}},_initContainer:function(){var container=this._container=L.DomUtil.create("div","leaflet-gl-layer");this._resizeContainer();var offset=this._map.getSize().multiplyBy(this.options.padding);var topLeft=this._map.containerPointToLayerPoint([0,0]).subtract(offset);L.DomUtil.setPosition(container,this._roundPoint(topLeft))},_resizeContainer:function(){var size=this.getSize();this._container.style.width=size.x+"px";this._container.style.height=size.y+"px"},_initGL:function(){var center=this._map.getCenter();var options=L.extend({},this.options,{container:this._container,center:[center.lng,center.lat],zoom:this._map.getZoom()-1,attributionControl:!1});this._glMap=new maplibre_gl.Map(options);var _map=this._map;var _currentAttribution=this.getAttribution();var _getAttribution=this.getAttribution.bind(this);this._glMap.on("load",function(){if(_map&&_map.attributionControl){_map.attributionControl.removeAttribution(_currentAttribution);_map.attributionControl.addAttribution(_getAttribution())}});if(this._glMap.setTransformConstrain)this._glMap.setTransformConstrain(function(center,zoom){return{center,zoom}});else{var transform=this._glMap.transform;var transformProto=Object.getPrototypeOf(transform);var latRangeDescriptor=Object.getOwnPropertyDescriptor(transformProto,"latRange");if(!latRangeDescriptor||latRangeDescriptor.set||latRangeDescriptor.writable)transform.latRange=null;var maxValidLatitudeDescriptor=Object.getOwnPropertyDescriptor(transformProto,"maxValidLatitude");if(!maxValidLatitudeDescriptor||maxValidLatitudeDescriptor.set||maxValidLatitudeDescriptor.writable)transform.maxValidLatitude=Infinity;if(transform._helper&&transform._helper._latRange)transform._helper._latRange=[-Infinity,Infinity]} 4this._transformGL(this._glMap);if(this._glMap._canvas.canvas)this._glMap._actualCanvas=this._glMap._canvas.canvas;else this._glMap._actualCanvas=this._glMap._canvas;var canvas=this._glMap._actualCanvas;L.DomUtil.addClass(canvas,"leaflet-image-layer");L.DomUtil.addClass(canvas,"leaflet-zoom-animated");
4if(this.options.interactive)L.DomUtil.addClass(canvas,"leaflet-interactive");if(this.options.className)L.DomUtil.addClass(canvas,this.options.className)},_update:function(e){if(!this._map)return;this._offset=this._map.containerPointToLayerPoint([0,0]);if(this._zooming)return;var container=this._container,gl=this._glMap,offset=this._map.getSize().multiplyBy(this.options.padding),topLeft=this._map.containerPointToLayerPoint([0,0]).subtract(offset);L.DomUtil.setPosition(container,this._roundPoint(topLeft));this._transformGL(gl)},_transformGL:function(gl){var center=this._map.getCenter();gl.jumpTo({center:[center.lng,center.lat],zoom:this._map.getZoom()-1})},_pinchZoom:function(e){this._glMap.jumpTo({zoom:this._map.getZoom()-1,center:this._map.getCenter()})},_animateZoom:function(e){var scale=this._map.getZoomScale(e.zoom);var padding=this._map.getSize().multiplyBy(this.options.padding*scale);var viewHalf=this.getSize()._divideBy(2);var topLeft=this._map.project(e.center,e.zoom)._subtract(viewHalf)._add(this._map._getMapPanePos().add(padding))._round();var offset=this._map.project(this._map.getBounds().getNorthWest(),e.zoom)._subtract(topLeft);L.DomUtil.setTransform(this._glMap._actualCanvas,offset.subtract(this._offset),scale)},_zoomStart:function(e){this._zooming=!0},_zoomEnd:function(){var scale=this._map.getZoomScale(this._map.getZoom());L.DomUtil.setTransform(this._glMap._actualCanvas,null,scale);this._zooming=!1;this._update()},_transitionEnd:function(e){L.Util.requestAnimFrame(function(){var zoom=this._map.getZoom();var center=this._map.getCenter();var offset=this._map.latLngToContainerPoint(this._map.getBounds().getNorthWest());this._resizeContainer();L.DomUtil.setTransform(this._glMap._actualCanvas,offset,1);this._glMap.once("moveend",L.Util.bind(function(){this._zoomEnd()},this));this._glMap.jumpTo({center,zoom:zoom-1})},this)},_resize:function(e){this._transitionEnd(e)}});var maplibreGL=function(options){return new MaplibreGL(options)};if(Object.isExtensible(L)){L.MaplibreGL=MaplibreGL;L.maplibreGL=maplibreGL} 5exports.MaplibreGL=MaplibreGL;exports.default=maplibreGL;exports.maplibreGL=maplibreGL})
Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.