/**
* MapLibre GL JS
* @license 3-Clause BSD. Full text of license: https://github.com/maplibre/maplibre-gl-js/blob/v6.6.0/LICENSE.txt
*/
import{B as e,Br as t,D as n,Dt as r,Ht as i,I as a,In as o,K as s,Mn as c,On as l,Ot as u,P as d,Pn as f,S as p,Sr as m,U as h,Vi as g,Vn as _,W as v,Wr as y,ar as b,bn as x,br as S,c as C,d as w,dt as T,g as E,hn as D,hr as O,ht as ee,i as k,kn as A,l as j,m as M,n as N,nn as P,o as F,on as I,p as L,pr as R,rn as z,sr as B,x as V,xt as H,yn as U,zn as W}from"./maplibre-gl-shared.mjs";var G=class{constructor(e,t){this.keyCache={},e&&this.replace(e,t)}replace(e,t){this._layerConfigs={},this._layers={},this.update(e,[],t)}update(e,t,n){for(let t of e){this._layerConfigs[t.id]=t;let e=this._layers[t.id]=p(t,n);e._featureFilter=U(e.filter,`layers[${t.id}].filter`,n),this.keyCache[t.id]&&delete this.keyCache[t.id]}for(let e of t)delete this.keyCache[e],delete this._layerConfigs[e],delete this._layers[e];this.familiesBySource={};let r=x(Object.values(this._layerConfigs),this.keyCache);for(let e of r){let t=e.map(e=>this._layers[e.id]),n=t[0];if(n.isHidden())continue;let r=n.source||``,i=this.familiesBySource[r];i||=this.familiesBySource[r]={};let a=n.sourceLayer||`_geojsonTileLayer`,o=i[a];o||=i[a]=[],o.push(t)}}},K=class{constructor(e){let t={},n=[];for(let r in e){let i=e[r],a=t[r]={};for(let e in i){let t=i[+e];if(!t||t.bitmap.width===0||t.bitmap.height===0)continue;let r={x:0,y:0,w:t.bitmap.width+2,h:t.bitmap.height+2};n.push(r),a[e]={rect:r,metrics:t.metrics}}}let{w:i,h:o}=a(n),s=new r({width:i||1,height:o||1});for(let n in e){let i=e[n];for(let e in i){let a=i[+e];if(!a||a.bitmap.width===0||a.bitmap.height===0)continue;let o=t[n][e].rect;r.copy(a.bitmap,s,{x:0,y:0},{x:o.x+1,y:o.y+1},a.bitmap)}}this.image=s,this.positions=t}};I(`GlyphAtlas`,K);var q=class{constructor(e){this.tileID=new E(e.tileID.overscaledZ,e.tileID.wrap,e.tileID.canonical.z,e.tileID.canonical.x,e.tileID.canonical.y),this.uid=e.uid,this.zoom=e.zoom,this.pixelRatio=e.pixelRatio,this.tileSize=e.tileSize,this.source=e.source,this.overscaling=this.tileID.overscaleFactor(),this.showCollisionBoxes=e.showCollisionBoxes,this.collectResourceTiming=!!e.collectResourceTiming,this.returnDependencies=!!e.returnDependencies,this.promoteId=e.promoteId,this.inFlightDependencies=[]}async parse(e,r,a,o,c){this.data=e,this.collisionBoxArray=new i;let l=new w(Object.keys(e.layers).sort()),u=new C(this.tileID,this.promoteId);u.bucketLayerIDs=[];let f={},p={featureIndex:u,iconDependencies:{},patternDependencies:{},glyphDependencies:{},dashDependencies:{},availableImages:a,subdivisionGranularity:c},g=r.familiesBySource[this.source];for(let n in g){let r=e.layers[n];if(!r)continue;r.version===1&&t(`Vector tile source "${this.source}" layer "${n}" does not use vector tile spec v2 and therefore may have some rendering errors.`);let i=l.encode(n),o=[];for(let e=0;e<r.length;e++){let t=r.feature(e),a=u.getId(t,n);o.push({feature:t,id:a,index:e,sourceLayerIndex:i})}for(let e of g[n]){let n=e[0];n.source!==this.source&&t(`layer.source = ${n.source} does not equal this.source = ${this.source}`),!n.isHidden(this.zoom,!0)&&(J(e,this.zoom,a),(f[n.id]=n.createBucket({index:u.bucketLayerIDs.length,layers:e,zoom:this.zoom,pixelRatio:this.pixelRatio,overscaling:this.overscaling,collisionBoxArray:this.collisionBoxArray,sourceLayerIndex:i,sourceID:this.source})).populate(o,p,this.tileID.canonical),u.bucketLayerIDs.push(e.map(e=>e.id)))}}let _=m(p.glyphDependencies,e=>Object.keys(e).map(Number));for(let e of this.inFlightDependencies)e?.abort();this.inFlightDependencies=[];let v=Promise.resolve({});if(Object.keys(_).length){let e=new AbortController;this.inFlightDependencies.push(e),v=o.sendAsync({type:`GG`,data:{stacks:_,source:this.source,tileID:this.tileID,type:`glyphs`}},e)}let y=Object.keys(p.iconDependencies),b=Promise.resolve({});if(y.length){let e=new AbortController;this.inFlightDependencies.push(e),b=o.sendAsync({type:`GI`,data:{icons:y,source:this.source,tileID:this.tileID,type:`icons`}},e)}let x=Object.keys(p.patternDependencies),S=Promise.resolve({});if(x.length){let e=new AbortController;this.inFlightDependencies.push(e),S=o.sendAsync({type:`GI`,data:{icons:x,source:this.source,tileID:this.tileID,type:`patterns`}},e)}let T=p.dashDependencies,E=Promise.resolve({});if(Object.keys(T).length){let e=new AbortController;this.inFlightDependencies.push(e),E=o.sendAsync({type:`GDA`,data:{dashes:T}},e)}let[D,O,k,A]=await Promise.all([v,b,S,E]),j=new K(D),M=new d(O,k);for(let e in f){let t=f[e];t instanceof n?(J(t.layers,this.zoom,a),N({bucket:t,glyphMap:D,glyphPositions:j.positions,imageMap:O,imagePositions:M.iconPositions,showCollisionBoxes:this.showCollisionBoxes,canonical:this.tileID.canonical,subdivisionGranularity:p.subdivisionGranularity})):t.hasDependencies&&(t instanceof ee||t instanceof s||t instanceof h)&&(J(t.layers,this.zoom,a),t.addFeatures(p,this.tileID.canonical,M.patternPositions,A))}return{buckets:Object.values(f).filter(e=>!e.isEmpty()),featureIndex:u,collisionBoxArray:this.collisionBoxArray,glyphAtlasImage:j.image,imageAtlas:M,dashPositions:A,glyphMap:this.returnDependencies?D:null,iconMap:this.returnDependencies?O:null,glyphPositions:this.returnDependencies?j.positions:null}}};function J(e,t,n){let r=new P(t);for(let t of e)t.recalculate(r,n)}var Y=class{constructor(){this.loading={},this.loaded={},this.parsing={}}startLoading(e,t){this.loading[e]=t}finishLoading(e){delete this.loading[e]}abort(e){let t=this.loading[e];t?.abort&&(t.abort.abort(),delete this.loading[e])}getParsing(e){return this.parsing[e]}setParsing(e,t){this.parsing[e]=t}removeParsing(e){delete this.parsing[e]}markLoaded(e,t){this.loaded[e]=t}getLoaded(e){let t=this.loaded[e];if(t)return t}removeLoaded(e){delete this.loaded[e]}clearLoaded(){this.loaded={}}},X=class{constructor(e){this.start=`${e}#start`,this.end=`${e}#end`,this.measure=e,performance.mark(this.start)}finish(){performance.mark(this.end);let e=performance.getEntriesByName(this.measure);return e.length===0&&(performance.measure(this.measure,this.start,this.end),e=performance.getEntriesByName(this.measure),performance.clearMarks(this.start),performance.clearMarks(this.end),performance.clearMeasures(this.measure)),e}},te=class{constructor(e,t,n,r,i){this.type=e,this.properties=n||{},this.extent=i,this.pointsArray=t,this.id=r}loadGeometry(){return this.pointsArray.map(e=>e.map(e=>new g(e.x,e.y)))}},ne=class{constructor(e,t,n){this.version=2,this._myFeatures=e,this.name=t,this.length=e.length,this.extent=n}feature(e){return this._myFeatures[e]}},re=class{constructor(){this.layers={}}addLayer(e){this.layers[e.name]=e}};function ie(e,t,n){let{extent:r}=e,i=2**(n.z-t.z),a=(n.x-t.x*i)*r,o=(n.y-t.y*i)*r,s=[];for(let t=0;t<e.length;t++){let n=e.feature(t),c=n.loadGeometry();for(let e of c)for(let t of e)t.x=t.x*i-a,t.y=t.y*i-o;c=k(c,n.type,-128,-128,r+128,r+128),c.length!==0&&s.push(new te(n.type,c,n.properties,n.id,r))}return new ne(s,e.name,r)}var ae=class{constructor(e,t,n){this.actor=e,this.layerIndex=t,this.availableImages=n,this.tileState=new Y,this.overzoomedTileResultCache=new F(1e3)}loadVectorTile(t,n){try{return{vectorTile:t.encoding===`mlt`?new j(n):new T(new e(n)),rawData:n}}catch(e){let r=new Uint8Array(n),i=r[0]===31&&r[1]===139,a=`Unable to parse the tile at ${t.request.url}, `;throw a+=i?`please make sure the data is not gzipped and that you have configured the relevant header in the server`:`got error: ${b(e).message}`,Error(a)}}async loadTile(e){let{uid:t,overzoomParameters:n}=e;n&&(e.request=n.overzoomRequest);let r=this._startRequestTiming(e),i=new q(e);this.tileState.startLoading(t,i);let a=new AbortController;i.abort=a;try{let o=await l(e.request,a);if(e.etag&&e.etag===o.etag)return this.tileState.finishLoading(t),this._getEtagUnmodifiedResult(o,r);let s=this.loadVectorTile(e,o.data);if(this.tileState.finishLoading(t),!s)return null;let{vectorTile:c,rawData:u}=s;n&&({vectorTile:c,rawData:u}=this._getOverzoomTile(e,c));let d=this._getExpiryData(o),f=this._finishRequestTiming(r);i.vectorTile=c,this.tileState.markLoaded(t,i);let p={rawData:u,cacheControl:d,resourceTiming:f};return this.tileState.setParsing(t,p),await this._parseWorkerTile(i,e)}catch(e){throw this.tileState.finishLoading(t),this.tileState.markLoaded(t,i),e}}_getEtagUnmodifiedResult(e,t){let n=this._getExpiryData(e),r=this._finishRequestTiming(t);return B({etagUnmodified:!0},n,r)}async _parseWorkerTile(e,t){let n=this.tileState.getParsing(e.uid),r=await e.parse(e.vectorTile,this.layerIndex,this.availableImages,this.actor,t.subdivisionGranularity);if(n){let{rawData:i,cacheControl:a,resourceTiming:o}=n,s=t.overzoomParameters?`mvt`:t.encoding;r=B({rawTileData:i.slice(0),encoding:s},r,a,o),this.tileState.removeParsing(e.uid)}return r}_getExpiryData({expires:e,cacheControl:t,etag:n}){let r={};return e&&(r.expires=e),t&&(r.cacheControl=t),n&&(r.etag=n),r}_startRequestTiming(e){if(e.request?.collectResourceTiming)return new X(e.request.url)}_finishRequestTiming(e){let t=e?.finish();return t?{resourceTiming:JSON.parse(JSON.stringify(t))}:{}}_getOverzoomTile(e,t){let{tileID:n,source:r,overzoomParameters:i}=e,{maxZoomTileID:a}=i,o=`${a.key}_${n.key}_${e.request?.url}`,s=this.overzoomedTileResultCache.get(o);if(s)return s;let c=new re,l=this.layerIndex.familiesBySource[r];for(let e in l){let r=t.layers[e];if(!r)continue;let i=ie(r,a,n.canonical);i.length>0&&c.addLayer(i)}let u={vectorTile:c,rawData:M(c).buffer};return this.overzoomedTileResultCache.set(o,u),u}async reloadTile(e){let t=e.uid,n=this.tileState.getLoaded(t);if(!n)throw Error(`Should not be trying to reload a tile that was never loaded or has been removed`);if(n.vectorTile)return n.showCollisionBoxes=e.showCollisionBoxes,await this._parseWorkerTile(n,e)}async abortTile(e){this.tileState.abort(e.uid)}async removeTile(e){this.tileState.removeLoaded(e.uid)}},oe=class{constructor(){this.loaded={}}async loadTile(e){let{uid:t,encoding:n,rawImageData:r,redFactor:i,greenFactor:a,blueFactor:o,baseShift:s}=e,c=r.width+2,l=r.height+2,d=O(r)?new u({width:c,height:l},await R(r,-1,-1,c,l)):r,f=new H(t,d,n,i,a,o,s);return this.loaded||={},this.loaded[t]=f,f}removeTile(e){let t=this.loaded,n=e.uid;t?.[n]&&delete t[n]}},se=class{constructor(e,t,n,r=ce){this.actor=e,this.layerIndex=t,this.availableImages=n,this.tileState=new Y,this._createGeoJSONIndex=r}loadVectorTile(e){if(!this._geoJSONIndex)throw Error(`Unable to parse the data into a cluster or geojson`);let{z:t,x:n,y:r}=e.tileID.canonical,i=this._geoJSONIndex.getTile(t,n,r);if(!i)return null;let a=new L(i.features,{version:2,extent:y});return{vectorTile:a,rawData:M(a,_).buffer}}async loadTile(e){let{uid:t}=e,n=new q(e);n.abort=new AbortController;try{let r=this.loadVectorTile(e);if(!r)return null;let{vectorTile:i,rawData:a}=r;n.vectorTile=i,this.tileState.markLoaded(t,n);let o={rawData:a};return this.tileState.setParsing(t,o),await this._parseWorkerTile(n,e)}catch(e){throw this.tileState.markLoaded(t,n),e}}async _parseWorkerTile(e,t){let n=this.tileState.getParsing(e.uid),r=await e.parse(e.vectorTile,this.layerIndex,this.availableImages,this.actor,t.subdivisionGranularity);if(n){let{rawData:t}=n;r=B({rawTileData:t.slice(0),encoding:`mvt`},r),this.tileState.removeParsing(e.uid)}return r}async abortTile(e){this.tileState.abort(e.uid)}async removeTile(e){this.tileState.removeLoaded(e.uid)}async loadData(e){this._pendingRequest?.abort();let t=this._startRequestTiming(e);this._pendingRequest=new AbortController;try{await this.loadAndProcessGeoJSON(e,this._pendingRequest),delete this._pendingRequest,this.tileState.clearLoaded();let n={};return e.request&&(n.data=e.data),this._finishRequestTiming(t,e,n),n}catch(e){if(delete this._pendingRequest,!W(e))throw e;return{abandoned:!0}}}_startRequestTiming(e){if(e.request?.collectResourceTiming)return new X(e.request.url)}_finishRequestTiming(e,t,n){let r=e?.finish();r&&(n.resourceTiming={[t.source]:JSON.parse(JSON.stringify(r))})}async reloadTile(e){let t=e.uid,n=this.tileState.getLoaded(t);if(!n)return await this.loadTile(e);if(n.vectorTile)return n.showCollisionBoxes=e.showCollisionBoxes,await this._parseWorkerTile(n,e)}async loadAndProcessGeoJSON(e,t){if(e.request&&(e.data=(await A(e.request,t)).data),e.data){e.data=this._filterGeoJSON(e.data,e.filter,e.source),this._geoJSONIndex=this._createGeoJSONIndex(e.data,e);return}if(e.dataDiff){this._geoJSONIndex??=this._createGeoJSONIndex({type:`FeatureCollection`,features:[]},e),this._geoJSONIndex.updateData(e.dataDiff,this._getFilterPredicate(e.filter,e.source));return}if(e.updateCluster&&this._geoJSONIndex.updateClusterOptions(e.geojsonVtOptions.cluster,Z(e)),this._geoJSONIndex==null)throw Error(`Input data given to '${e.source}' is not a valid GeoJSON object.`)}_filterGeoJSON(e,t,n){if(e.type!==`FeatureCollection`)return e;let r=this._getFilterPredicate(t,n);return r?{type:`FeatureCollection`,features:e.features.filter(e=>r(e))}:e}_getFilterPredicate(e,t){if(typeof e!=`boolean`&&!e?.length)return;let n=D(e,`sources.${t}.filter`,{type:`boolean`,"property-type":`data-driven`,overridable:!1,transition:!1});if(n.result===`error`)throw Error(n.value.map(e=>`${e.key}: ${e.message}`).join(`, `));return e=>n.value.evaluate({zoom:0},e)}async removeSource(e){this._pendingRequest?.abort()}getClusterExpansionZoom(e){return this._geoJSONIndex.getClusterExpansionZoom(e.clusterId)}getClusterChildren(e){return this._geoJSONIndex.getClusterChildren(e.clusterId)}getClusterLeaves(e){return this._geoJSONIndex.getClusterLeaves(e.clusterId,e.limit,e.offset)}};function ce(e,t){let n=B(t.geojsonVtOptions||{},{updateable:!0,clusterOptions:Z(t)});return new v(e,n)}function Z({geojsonVtOptions:e,clusterProperties:t,source:n}){if(!t||!e.clusterOptions)return e.clusterOptions;let r={},i={},a={accumulated:null,zoom:0},o={properties:null},s=Object.keys(t);for(let e of s){let[a,o]=t[e],s=D(o,`sources.${n}.clusterProperties.${e}[1]`),c=D(typeof a==`string`?[a,[`accumulated`],[`get`,e]]:a,`sources.${n}.clusterProperties.${e}[0]`);r[e]=s.value,i[e]=c.value}return e.clusterOptions.map=e=>{o.properties=e;let t={};for(let e of s)t[e]=r[e].evaluate(a,o);return t},e.clusterOptions.reduce=(e,t)=>{o.properties=t;for(let t of s)a.accumulated=e[t],e[t]=i[t].evaluate(a,o)},e.clusterOptions}async function Q(e){if(e.endsWith(`.mjs`)){await import(e);return}let t=await fetch(e,{credentials:`same-origin`});if(!t.ok)throw Error(`Failed to load ${e}: ${t.status}`);let n=await t.text();if(/^[ \t]*(import|export)\s/m.test(n)){let e=URL.createObjectURL(new Blob([n],{type:`text/javascript`}));try{await import(e)}finally{URL.revokeObjectURL(e)}return}globalThis.eval(n)}var $=class{constructor(e){this.self=e,this.actor=new V(e),this.layerIndexes={},this.availableImages={},this.workerSources={},this.demWorkerSources={},this.externalWorkerSourceTypes={},this.globalStates=new Map,this.self.registerWorkerSource=(e,t)=>{if(this.externalWorkerSourceTypes[e])throw Error(`Worker source with name "${e}" already registered.`);this.externalWorkerSourceTypes[e]=t},this.self.addProtocol=f,this.self.removeProtocol=o,this.self.registerRTLTextPlugin=e=>{z.setMethods(e)},this.self.makeRequest=c,this.actor.registerMessageHandler(`LDT`,(e,t)=>this._getDEMWorkerSource(e,t.source).loadTile(t)),this.actor.registerMessageHandler(`RDT`,async(e,t)=>{this._getDEMWorkerSource(e,t.source).removeTile(t)}),this.actor.registerMessageHandler(`GCEZ`,async(e,t)=>this._getWorkerSource(e,t.type,t.source).getClusterExpansionZoom(t)),this.actor.registerMessageHandler(`GCC`,async(e,t)=>this._getWorkerSource(e,t.type,t.source).getClusterChildren(t)),this.actor.registerMessageHandler(`GCL`,async(e,t)=>this._getWorkerSource(e,t.type,t.source).getClusterLeaves(t)),this.actor.registerMessageHandler(`LD`,(e,t)=>this._getWorkerSource(e,t.type,t.source).loadData(t)),this.actor.registerMessageHandler(`LT`,(e,t)=>this._getWorkerSource(e,t.type,t.source).loadTile(t)),this.actor.registerMessageHandler(`RT`,(e,t)=>this._getWorkerSource(e,t.type,t.source).reloadTile(t)),this.actor.registerMessageHandler(`AT`,(e,t)=>this._getWorkerSource(e,t.type,t.source).abortTile(t)),this.actor.registerMessageHandler(`RMT`,(e,t)=>this._getWorkerSource(e,t.type,t.source).removeTile(t)),this.actor.registerMessageHandler(`RS`,async(e,t)=>{if(!this.workerSources[e]?.[t.type]?.[t.source])return;let n=this.workerSources[e][t.type][t.source];delete this.workerSources[e][t.type][t.source],n.removeSource!==void 0&&n.removeSource(t)}),this.actor.registerMessageHandler(`RM`,async e=>{delete this.layerIndexes[e],delete this.availableImages[e],delete this.workerSources[e],delete this.demWorkerSources[e],this.globalStates.delete(e)}),this.actor.registerMessageHandler(`SR`,async(e,t)=>{this.referrer=t}),this.actor.registerMessageHandler(`SRPS`,(e,t)=>this._syncRTLPluginState(e,t)),this.actor.registerMessageHandler(`IS`,async(e,t)=>{await Q(t)}),this.actor.registerMessageHandler(`SI`,(e,t)=>this._setImages(e,t)),this.actor.registerMessageHandler(`UL`,async(e,t)=>{this._getLayerIndex(e).update(t.layers,t.removedIds,this._getGlobalState(e))}),this.actor.registerMessageHandler(`UGS`,async(e,t)=>{let n=this._getGlobalState(e);for(let e in t)n[e]=t[e]}),this.actor.registerMessageHandler(`SL`,async(e,t)=>{this._getLayerIndex(e).replace(t,this._getGlobalState(e))})}_getGlobalState(e){let t=this.globalStates.get(e);return t||(t={},this.globalStates.set(e,t)),t}async _setImages(e,t){this.availableImages[e]=t;for(let n in this.workerSources[e]){let r=this.workerSources[e][n];for(let e in r)r[e].availableImages=t}}async _syncRTLPluginState(e,t){return await z.syncState(t,Q)}_getAvailableImages(e){let t=this.availableImages[e];return t||=[],t}_getLayerIndex(e){let t=this.layerIndexes[e];return t||=this.layerIndexes[e]=new G,t}_getWorkerSource(e,t,n){if(this.workerSources[e]||={},this.workerSources[e][t]||={},!this.workerSources[e][t][n]){let r={sendAsync:(t,n)=>(t.targetMapId=e,this.actor.sendAsync(t,n))};switch(t){case`vector`:this.workerSources[e][t][n]=new ae(r,this._getLayerIndex(e),this._getAvailableImages(e));break;case`geojson`:this.workerSources[e][t][n]=new se(r,this._getLayerIndex(e),this._getAvailableImages(e));break;default:this.workerSources[e][t][n]=new this.externalWorkerSourceTypes[t](r,this._getLayerIndex(e),this._getAvailableImages(e))}}return this.workerSources[e][t][n]}_getDEMWorkerSource(e,t){return this.demWorkerSources[e]||={},this.demWorkerSources[e][t]||=new oe,this.demWorkerSources[e][t]}};S(self)&&(self.worker=new $(self));export{$ as default};
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