@arcgis/core/views/2d/engine/webgl/mesh/factories/ResourceProxy.js

ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API

/* COPYRIGHT Esri - https://js.arcgis.com/5.0.8/LICENSE.txt */
import{numericHash as e}from"../../../../../../core/string.js";import{discardUrlIfHasUrlHash as t}from"../../urlUtils.js";import{AResourceProxy as r}from"../../shaderGraph/techniques/mesh/AResourceProxy.js";class s extends r{constructor(e){super(),this._fetcher=e,this._controller=new AbortController,this._pendingIds=new Set,this._pendingRequests=[],this._resourceIdToResource=new Map}destroy(){this._controller.abort()}get _abortOptions(){return{signal:this._controller.signal}}enqueueRequest(r){const s=t(r.resource),o=e(JSON.stringify(s));return this._pendingIds.has(o)||(this._pendingIds.add(o),this._pendingRequests.push({...r,resourceId:o})),o}async fetchEnqueuedResources(){const e=this._pendingRequests;if(this._pendingIds.clear(),this._pendingRequests=[],0===e.length)return;const t=await this._fetcher.fetch(e,this._abortOptions);for(let r=0;r<t.length;r++){const s=e[r].resourceId;this._resourceIdToResource.set(s,t[r])}}async fetchResourceImmediate(e){const t=await this._fetcher.fetch([e]);if(1!==t.length)throw new Error("FeaturePipelineResourceProxy: failed to fetch resources");return t[0]}async fetchDictionaryResourceImmediate(e){const t=await this._fetcher.fetchDictionary([e]);if(1!==t.length)throw new Error("FeaturePipelineResourceProxy: failed to fetch dictionary resources");return t[0]}getResource(e){return this._resourceIdToResource.get(e)}}export{s as ResourceProxy};