@arcgis/core/arcade/featureset/actions/Top.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{neverAbortedSignal as e}from"../../arcadeEnvironment.js";import{FeatureSetError as t}from"../support/errorsupport.js";import{FeatureSet as r}from"../support/FeatureSet.js";async function*a(e,t){let r=t;for await(const a of e)if(r>=a.length?(r-=a.length,yield a):(yield a.slice(0,r),r=0),r<=0)break}class s extends r{constructor(e){super(),this.declaredClass="esri.arcade.featureset.actions.Top",this._maxProcessing=100,this._parent=e.parentfeatureset,this._limit=e.topnum}async _queryAll(){return(await this.query({abortSignal:e})).features}async query(e){await this._ensureLoaded();const t=await this._parent.queryAll(e.abortSignal);return{filterApplied:null==e.where,spatialFilterApplied:null==e.spatialFilter,ordered:!1,features:a(t,this._limit)}}async queryStat(e){return{calculated:!1}}async canQueryAggregate(e){return!1}async queryAggregate(e){throw new t("NeverReach")}getFieldsIndex(){return this._parent.getFieldsIndex()}}export{s as default};