@arcgis/core
Version:
ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API
1 lines • 17.3 kB
JavaScript
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this.maxLOD??this.layer.tileInfo.lods[this.layer.tileInfo.lods.length-1].level}getAvailability(e,t,i){if(!this.layer.tileInfo.lodAt(e)||e<this.effectiveMinLOD||e>this.effectiveMaxLOD)return"unavailable";const l=this._tilemapFromCache(e,t,i,this._tmpTilemapDefinition);return l?l.getAvailability(t,i):"unknown"}fetchAvailability(e,t,i,l){return!this.layer.tileInfo.lodAt(e)||e<this.effectiveMinLOD||e>this.effectiveMaxLOD?Promise.reject(M(e,t,i)):this._fetchTilemap(e,t,i,l).catch((e=>e)).then((l=>{if(l instanceof b){const s=l.getAvailability(t,i);if("unavailable"===s)throw M(e,t,i);return s}if((0,u.zf)(l))throw l;return"unknown"}))}fetchAvailabilityUpsample(e,t,i,l,s){l.level=e,l.row=t,l.col=i;const o=this.layer.tileInfo;o.updateTileInfo(l);const n=this.fetchAvailability(e,t,i,s).catch((e=>{if((0,u.zf)(e))throw e;if(o.upsampleTile(l))return this.fetchAvailabilityUpsample(l.level,l.row,l.col,l,s);throw e}));return this._fetchAvailabilityUpsamplePrefetch(l.id,e,t,i,s,n),n}async _fetchAvailabilityUpsamplePrefetch(e,t,i,s,o,n){if(!this._prefetchingEnabled||null==e)return;const r=`prefetch-${e}`;if(this.hasHandles(r))return;const a=new AbortController;n.then((()=>a.abort()),(()=>a.abort()));let h=!1;const p=(0,c.hA)((()=>{h||(h=!0,a.abort())}));if(this.addHandles(p,r),await(0,d.md)(10,a.signal).catch((()=>{})),h||(h=!0,this.removeHandles(r)),(0,u.G4)(a))return;const f=new w.U(e,t,i,s),v={...o,signal:a.signal},m=this.layer.tileInfo;for(let e=0;l._prefetches.length<l._maxPrefetch&&m.upsampleTile(f);++e){const e=this.fetchAvailability(f.level,f.row,f.col,v);l._prefetches.push(e);const t=()=>{l._prefetches.removeUnordered(e)};e.then(t,t)}}_fetchTilemap(e,t,i,l){if(!this.layer.tileInfo.lodAt(e)||e<this.effectiveMinLOD||e>this.effectiveMaxLOD)return Promise.reject(new a.A("tilemap-cache:level-unavailable",`Level ${e} is unavailable in the service`));const s=this._tmpTilemapDefinition,o=this._tilemapFromCache(e,t,i,s);if(o)return Promise.resolve(o);const 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