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n=t[e];if(!n?.geometry)continue;let[o,s]=n.geometry;o=Math.fround(o),s=Math.fround(s),i.push(o,s,1/0,e,-1,1),this.options.reduce&&i.push(0)}let r=this.trees[o+1]=this.createTree(i);e&&console.timeEnd(s);for(let t=o;t>=n;t--){const n=Date.now();r=this.trees[t]=this.createTree(this.cluster(r,t)),e&&console.log("z%d: %d clusters in %dms",t,r.numItems,Date.now()-n)}e&&console.timeEnd("total time")}getClusters(t,e){return this.getClustersInternal(t,e).map((t=>p(t)))}getClustersInternal(t,e){let n=((t[0]+180)%360+360)%360-180;const o=Math.max(-90,Math.min(90,t[1]));let s=180===t[2]?180:((t[2]+180)%360+360)%360-180;const i=Math.max(-90,Math.min(90,t[3]));if(t[2]-t[0]>=360)n=-180,s=180;else if(n>s){const t=this.getClustersInternal([n,o,180,i],e),r=this.getClustersInternal([-180,o,s,i],e);return t.concat(r)}const r=this.trees[this.limitZoom(e)],a=r.range(l(n),h(i),l(s),h(o)),u=r.flatData,c=[];for(const t of a){const e=this.stride*t;c.push(u[e+q]>1?K(u,e,this.clusterProps):this.points[u[e+J]])}return c}getChildren(t){const e=this.getOriginId(t),n=this.getOriginZoom(t),o=new Error("No cluster with the specified id: "+t),s=this.trees[n];if(!s)throw o;const i=s.flatData;if(e*this.stride>=i.length)throw o;const r=this.options.radius/(this.options.extent*Math.pow(2,n-1)),a=i[e*this.stride],u=i[e*this.stride+1],c=s.within(a,u,r),l=[];for(const e of c){const n=e*this.stride;i[n+4]===t&&l.push(i[n+q]>1?H(i,n,this.clusterProps):p(this.points[i[n+J]]))}if(0===l.length)throw o;return l}getLeaves(t,e,n){e=e||10,n=n||0;const o=[];return this.appendLeaves(o,t,e,n,0),o}getTile(t,e,n){const o=this.trees[this.limitZoom(t)];if(!o)return null;const s=Math.pow(2,t),{extent:i,radius:r}=this.options,a=r/i,u=(n-a)/s,c=(n+1+a)/s,l={transformed:!0,features:[],source:null,x:e,y:n,z:t};return this.addTileFeatures(o.range((e-a)/s,u,(e+1+a)/s,c),o.flatData,e,n,s,l),0===e&&this.addTileFeatures(o.range(1-a/s,u,1,c),o.flatData,s,n,s,l),e===s-1&&this.addTileFeatures(o.range(0,u,a/s,c),o.flatData,-1,n,s,l),l}getClusterExpansionZoom(t){return this.getOriginZoom(t)}appendLeaves(t,e,n,o,s){const i=this.getChildren(e);for(const e of i){const i=e.properties;if(i?.cluster?s+i.point_count<=o?s+=i.point_count:s=this.appendLeaves(t,i.cluster_id,n,o,s):s<o?s++:t.push(e),t.length===n)break}return s}createTree(t){const e=new D(t.length/this.stride|0,this.options.nodeSize,Float32Array);for(let n=0;n<t.length;n+=this.stride)e.add(t[n],t[n+1]);return e.finish(),e.flatData=t,e.data=null,e}addTileFeatures(t,e,n,o,s,i){for(const r of t){const t=r*this.stride,a=e[t+q]>1;let u,c,l;if(a)u=Q(e,t,this.clusterProps),c=e[t],l=e[t+1];else{const n=this.points[e[t+J]];u=n.tags,[c,l]=n.geometry}const h={type:1,geometry:[[Math.round(this.options.extent*(c*s-n)),Math.round(this.options.extent*(l*s-o))]],tags:u};let p;p=a||this.options.generateId?e[t+J]:this.points[e[t+J]].id,void 0!==p&&(h.id=p),i.features.push(h)}}limitZoom(t){return Math.max(this.options.minZoom,Math.min(Math.floor(+t),this.options.maxZoom+1))}cluster(t,e){const{radius:n,extent:o,reduce:s,minPoints:i}=this.options,r=n/(o*Math.pow(2,e)),a=t.flatData,u=[],c=this.stride;for(let n=0;n<a.length;n+=c){if(a[n+2]<=e)continue;a[n+2]=e;const o=a[n],l=a[n+1],h=t.within(a[n],a[n+1],r),p=a[n+q];let d=p;for(const t of h){const n=t*c;a[n+2]>e&&(d+=a[n+q])}if(d>p&&d>=i){let t,i=o*p,r=l*p,f=-1;const g=(n/c<<5)+(e+1)+this.points.length;for(const o of h){const u=o*c;if(a[u+2]<=e)continue;a[u+2]=e;const l=a[u+q];i+=a[u]*l,r+=a[u+1]*l,a[u+4]=g,s&&(t||(t=this.map(a,n,!0),f=this.clusterProps.length,this.clusterProps.push(t)),s(t,this.map(a,u)))}a[n+4]=g,u.push(i/d,r/d,1/0,g,-1,d),s&&u.push(f)}else{for(let t=0;t<c;t++)u.push(a[n+t]);if(d>1)for(const t of h){const n=t*c;if(!(a[n+2]<=e)){a[n+2]=e;for(let t=0;t<c;t++)u.push(a[n+t])}}}}return u}getOriginId(t){return t-this.points.length>>5}getOriginZoom(t){return(t-this.points.length)%32}map(t,e,n){if(t[e+q]>1){const o=this.clusterProps[t[e+R]];return n?Object.assign({},o):o}const o=this.points[t[e+J]].tags,s=this.options.map(o);return n&&s===o?Object.assign({},s):s}}function K(t,e,n){return{id:t[e+J],type:"Point",tags:Q(t,e,n),geometry:[t[e],t[e+1]]}}function H(t,e,n){return{type:"Feature",id:t[e+J],properties:Q(t,e,n),geometry:{type:"Point",coordinates:[m(t[e]),y(t[e+1])]}}}function Q(t,e,n){const o=t[e+q],s=o>=1e4?`${Math.round(o/1e3)}k`:o>=1e3?Math.round(o/100)/10+"k":o,i=t[e+R],r=-1===i?{}:Object.assign({},n[i]);return Object.assign(r,{cluster:!0,cluster_id:t[e+J],point_count:o,point_count_abbreviated:s})}const W="geojsonvt_clip_start",tt="geojsonvt_clip_end";function et(t,e,n,o,s){const i=e===s.maxZoom?0:s.tolerance/((1<<e)*s.extent),r={transformed:!1,features:[],source:null,x:n,y:o,z:e,minX:2,minY:1,maxX:-1,maxY:0,numPoints:0,numSimplified:0,numFeatures:t.length};for(const e of t)nt(r,e,i,s);return r}function nt(t,e,n,o){switch(t.minX=Math.min(t.minX,e.minX),t.minY=Math.min(t.minY,e.minY),t.maxX=Math.max(t.maxX,e.maxX),t.maxY=Math.max(t.maxY,e.maxY),e.type){case"Point":case"MultiPoint":return void function(t,e){const n=[];for(let o=0;o<e.geometry.length;o+=3)n.push(e.geometry[o],e.geometry[o+1]),t.numPoints++,t.numSimplified++;if(!n.length)return;const o={type:1,tags:e.tags||null,geometry:n};null!==e.id&&(o.id=e.id);t.features.push(o)}(t,e);case"LineString":return void function(t,e,n,o){const s=[];if(ot(s,e.geometry,t,n,!1,!1),!s.length)return;let i=e.tags||null;if(o.lineMetrics){i={};for(const t in e.tags)i[t]=e.tags[t];i[W]=e.geometry.start/e.geometry.size,i[tt]=e.geometry.end/e.geometry.size}const r={type:2,tags:i,geometry:s};null!==e.id&&(r.id=e.id);t.features.push(r)}(t,e,n,o);case"MultiLineString":case"Polygon":return void function(t,e,n){const o=[];for(let s=0;s<e.geometry.length;s++)ot(o,e.geometry[s],t,n,"Polygon"===e.type,0===s);if(!o.length)return;const s={type:"Polygon"===e.type?3:2,tags:e.tags||null,geometry:o};null!==e.id&&(s.id=e.id);t.features.push(s)}(t,e,n);case"MultiPolygon":return void function(t,e,n){const o=[];for(let s=0;s<e.geometry.length;s++){const i=e.geometry[s];for(let e=0;e<i.length;e++)ot(o,i[e],t,n,!0,0===e)}if(!o.length)return;const s={type:3,tags:e.tags||null,geometry:o};null!==e.id&&(s.id=e.id);t.features.push(s)}(t,e,n)}}function ot(t,e,n,o,s,i){const r=o*o;if(o>0&&e.size<(s?r:o))return void(n.numPoints+=e.points.length/3);const a=[];for(let t=0;t<e.points.length;t+=3)(0===o||e.points[t+2]>r)&&(n.numSimplified++,a.push(e.points[t],e.points[t+1])),n.numPoints++;s&&function(t,e){let n=0;for(let e=0,o=t.length,s=o-2;e<o;s=e,e+=2)n+=(t[e]-t[s])*(t[e+1]+t[s+1]);if(n>0!==e)return;for(let e=0,n=t.length;e<n/2;e+=2){const o=t[e],s=t[e+1];t[e]=t[n-2-e],t[e+1]=t[n-1-e],t[n-2-e]=o,t[n-1-e]=s}}(a,i),t.push(a)}function st(t,e){if(t.transformed)return t;const n=1<<t.z,o=t.x,s=t.y;for(const i of t.features)1===i.type?it(i,e,n,o,s):rt(i,e,n,o,s);return t.transformed=!0,t}function it(t,e,n,o,s){const i=t,r=t.geometry,a=[];for(let t=0;t<r.length;t+=2)a.push(at(r[t],r[t+1],e,n,o,s));return i.geometry=a,i}function rt(t,e,n,o,s){const i=t,r=t.geometry,a=[];for(const t of r){const i=[];for(let r=0;r<t.length;r+=2)i.push(at(t[r],t[r+1],e,n,o,s));a.push(i)}return i.geometry=a,i}function at(t,e,n,o,s,i){return[Math.round(n*(t*o-s)),Math.round(n*(e*o-i))]}class ut{constructor(t){this.options=t,this.total=0,this.stats={},this.tiles={},this.tileCoords=[],this.stats={},this.total=0}initialize(t){this.splitTile(t,0,0,0),this.options.debug&&(t.length&&console.log("features: %d, points: %d",this.tiles[0].numFeatures,this.tiles[0].numPoints),console.timeEnd("generate tiles"),console.log("tiles generated:",this.total,JSON.stringify(this.stats)))}updateIndex(t,e,n){n.debug>1&&(console.log("invalidating tiles"),console.time("invalidating")),this.invalidateTiles(e),n.debug>1&&console.timeEnd("invalidating");const[o,s,i]=[0,0,0],r=et(t,o,s,i,n);r.source=t;const a=ct(o,s,i);if(this.tiles[a]=r,this.tileCoords.push({z:o,x:s,y:i,id:a}),n.debug){const t=`z${o}`;this.stats[t]=(this.stats[t]||0)+1,this.total++}}getClusterExpansionZoom(t){return null}getChildren(t){return null}getLeaves(t,e,n){return null}getTile(t,e,n){const{extent:o,debug:s}=this.options,i=1<<t,r=ct(t,e=e+i&i-1,n);if(this.tiles[r])return st(this.tiles[r],o);s>1&&console.log("drilling down to z%d-%d-%d",t,e,n);let a,u=t,c=e,l=n;for(;!a&&u>0;)u--,c>>=1,l>>=1,a=this.tiles[ct(u,c,l)];return a?.source?(s>1&&(console.log("found parent tile z%d-%d-%d",u,c,l),console.time("drilling down")),this.splitTile(a.source,u,c,l,t,e,n),s>1&&console.timeEnd("drilling down"),this.tiles[r]?st(this.tiles[r],o):null):null}splitTile(t,e,n,o,s,i,r){const a=[t,e,n,o],u=this.options,c=u.debug;for(;a.length;){o=a.pop(),n=a.pop(),e=a.pop(),t=a.pop();const l=1<<e,h=ct(e,n,o);let p=this.tiles[h];if(!p&&(c>1&&console.time("creation"),p=this.tiles[h]=et(t,e,n,o,u),this.tileCoords.push({z:e,x:n,y:o,id:h}),c)){c>1&&(console.log("tile z%d-%d-%d (features: %d, points: %d, simplified: %d)",e,n,o,p.numFeatures,p.numPoints,p.numSimplified),console.timeEnd("creation"));const t=`z${e}`;this.stats[t]=(this.stats[t]||0)+1,this.total++}if(p.source=t,null==s){if(e===u.indexMaxZoom||p.numPoints<=u.indexMaxPoints)continue}else{if(e===u.maxZoom||e===s)continue;if(null!=s){const t=s-e;if(n!==i>>t||o!==r>>t)continue}}if(p.source=null,!t.length)continue;c>1&&console.time("clipping");const d=.5*u.buffer/u.extent,f=.5-d,g=.5+d,m=1+d;let y=null,w=null,P=null,I=null;const v=M(t,l,n-d,n+g,x.X,p.minX,p.maxX,u),b=M(t,l,n+f,n+m,x.X,p.minX,p.maxX,u);v&&(y=M(v,l,o-d,o+g,x.Y,p.minY,p.maxY,u),w=M(v,l,o+f,o+m,x.Y,p.minY,p.maxY,u)),b&&(P=M(b,l,o-d,o+g,x.Y,p.minY,p.maxY,u),I=M(b,l,o+f,o+m,x.Y,p.minY,p.maxY,u)),c>1&&console.timeEnd("clipping"),a.push(y||[],e+1,2*n,2*o),a.push(w||[],e+1,2*n,2*o+1),a.push(P||[],e+1,2*n+1,2*o),a.push(I||[],e+1,2*n+1,2*o+1)}}invalidateTiles(t){if(!t.length)return;const e=this.options,{debug:n}=e;let o=1/0,s=-1/0,i=1/0,r=-1/0;for(const e of t)o=Math.min(o,e.minX),s=Math.max(s,e.maxX),i=Math.min(i,e.minY),r=Math.max(r,e.maxY);const a=e.buffer/e.extent,u=new Set;for(const e in this.tiles){const c=this.tiles[e],l=1<<c.z,h=(c.x-a)/l,p=(c.x+1+a)/l,d=(c.y-a)/l,f=(c.y+1+a)/l;if(s<h||o>=p||r<d||i>=f)continue;let g=!1;for(const e of t)if(e.maxX>=h&&e.minX<p&&e.maxY>=d&&e.minY<f){g=!0;break}if(g){if(n){n>1&&console.log("invalidate tile z%d-%d-%d (features: %d, points: %d, simplified: %d)",c.z,c.x,c.y,c.numFeatures,c.numPoints,c.numSimplified);const t=`z${c.z}`;this.stats[t]=(this.stats[t]||0)-1,this.total--}delete this.tiles[e],u.add(e)}}u.size&&(this.tileCoords=this.tileCoords.filter((t=>!u.has(t.id))))}}function ct(t,e,n){return 32*((1<<t)*n+e)+t}const lt={maxZoom:14,indexMaxZoom:5,indexMaxPoints:1e5,tolerance:3,extent:4096,buffer:64,lineMetrics:!1,promoteId:null,generateId:!1,updateable:!1,cluster:!1,clusterOptions:B,debug:0};t.GEOJSONVT_CLIP_END=tt,t.GEOJSONVT_CLIP_START=W,t.GeoJSONVT=class{constructor(t,e){const n=(e=this.options=Object.assign({},lt,e)).debug;if(n&&console.time("preprocess data"),e.maxZoom<0||e.maxZoom>24)throw new Error("maxZoom should be in the 0-24 range");if(e.promoteId&&e.generateId)throw new Error("promoteId and generateId cannot be used together.");let o=r(t,e);n&&(console.timeEnd("preprocess data"),console.log("index: maxZoom: %d, maxPoints: %d",e.indexMaxZoom,e.indexMaxPoints),console.time("generate tiles")),o=Y(o,e),e.updateable&&(this.source=o),this.initializeIndex(o,e)}initializeIndex(t,e){this.tileIndex=e.cluster?new V(e.clusterOptions):new ut(e),t.length&&this.tileIndex.initialize(t)}getTile(t,e,n){return e=+e,n=+n,(t=+t)<0||t>24?null:this.tileIndex.getTile(t,e,n)}updateData(t,e){const n=this.options;if(!n.updateable)throw new Error("to update tile geojson `updateable` option must be set to true");let{affected:o,source:s}=_(this.source,t,n);e&&({affected:o,source:s}=this.filterUpdate(s,o,e)),o.length&&(this.source=s,this.tileIndex.updateIndex(s,o,n))}filterUpdate(t,e,n){const o=new Set;for(const s of t)null!=s.id&&(n(p(s))||(e.push(s),o.add(s.id)));return{affected:e,source:t=t.filter((t=>!o.has(t.id)))}}getData(){if(!this.options.updateable)throw new Error("to retrieve data the `updateable` option must be set to true");return{type:"FeatureCollection",features:this.source.map((t=>p(t)))}}updateClusterOptions(t,e){const n=this.options.cluster;this.options.cluster=t,this.options.clusterOptions=e,n!=t?this.initializeIndex(this.source,this.options):this.tileIndex.updateIndex(this.source,[],this.options)}getClusterExpansionZoom(t){return this.tileIndex.getClusterExpansionZoom(t)}getClusterChildren(t){return this.tileIndex.getChildren(t)}getClusterLeaves(t,e,n){return this.tileIndex.getLeaves(t,e,n)}},t.Supercluster=V,t.geoJSONToTile=function(t,e,n,o,s={}){s={...lt,...s};const{wrap:i=!1,clip:a=!1}=s;let u=r(t,s);if(i&&(u=Y(u,s)),a||s.lineMetrics){const t=1<<e,i=s.buffer/s.extent,r=M(u,t,n-i,n+1+i,x.X,-1,2,s);u=M(r||[],t,o-i,o+1+i,x.Y,-1,2,s)}return st(et(u??[],e,n,o,s),s.extent)}}));