node-red-contrib-web-worldmap/worldmap/leaflet/pmtiles.js

A Node-RED node to provide a web page of a world map for plotting things on.

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ae{constructor(e){this.tilev4=f((e,t)=>m(this,null,function*(){if(e.type==="json"){let v=e.url.substr(10),d=this.tiles.get(v);if(d||(d=new P(v),this.tiles.set(v,d)),this.metadata)return{data:yield d.getTileJson(e.url)};let p=yield d.getHeader();return(p.minLon>=p.maxLon||p.minLat>=p.maxLat)&&console.error(`Bounds of PMTiles archive ${p.minLon},${p.minLat},${p.maxLon},${p.maxLat} are not valid.`),{data:{tiles:[`${e.url}/{z}/{x}/{y}`],minzoom:p.minZoom,maxzoom:p.maxZoom,bounds:[p.minLon,p.minLat,p.maxLon,p.maxLat]}}}let n=new RegExp(/pmtiles:\/\/(.+)\/(\d+)\/(\d+)\/(\d+)/),i=e.url.match(n);if(!i)throw new Error("Invalid PMTiles protocol URL");let a=i[1],s=this.tiles.get(a);s||(s=new P(a),this.tiles.set(a,s));let u=i[2],h=i[3],l=i[4],c=yield s.getHeader(),o=yield s==null?void 0:s.getZxy(+u,+h,+l,t.signal);if(o)return{data:new Uint8Array(o.data),cacheControl:o.cacheControl,expires:o.expires};if(c.tileType===1){if(this.errorOnMissingTile)throw new Error("Tile not found.");return{data:new 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