@arcgis/core/core/Loadable.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{__decorate as o}from"tslib";import t from"./Error.js";import{abortMaybe as r}from"./maybe.js";import{EsriPromise as s}from"./Promise.js";import{onAbortOrThrow as l}from"./promiseUtils.js";import e from"./Warning.js";import{property as a}from"./accessorSupport/decorators/property.js";import{subclass as i}from"./accessorSupport/decorators/subclass.js";const n="not-loaded",d="loading",h="failed",c="loaded",p=s=>{const p=s;let u=class extends p{constructor(...o){super(...o),this._loadController=null,this.loadError=null,this.loadStatus="not-loaded",this._set("loadWarnings",[]),this.addResolvingPromise(new Promise(o=>{const r=this.load.bind(this);this.load=s=>{const e=new Promise((o,r)=>{const e=l(s,r);this.destroyed&&r(new t("load:instance-destroyed",`Instance of '${this.declaredClass||this.constructor.name}' is already destroyed`,{instance:this})),this.when(o,r).finally(()=>{e&&e.remove()})});if(this.loadStatus===n){this._set("loadStatus",d);const o=this._loadController=new AbortController;r({signal:o.signal})}return o(),e}})),this.when(()=>{this._set("loadStatus",c),this._loadController=null},o=>{this.destroyed||(this._set("loadStatus",h),this._set("loadError",o),this._loadController=null)})}destroy(){this._loadController&&(this._loadController=r(this._loadController),this._promiseProps.abort()),this._set("loadError",null),this._set("loadWarnings",[])}get loaded(){return this.loadStatus===c}get loadWarnings(){return this._get("loadWarnings")}load(o){return null}cancelLoad(){return this.isFulfilled()||(this._set("loadError",new t("load:cancelled","Cancelled")),this._loadController?.abort(),this._promiseProps.abort()),this}};return o([a({readOnly:!0})],u.prototype,"loaded",null),o([a({readOnly:!0})],u.prototype,"loadError",void 0),o([a({clonable:!1})],u.prototype,"loadStatus",void 0),o([a({type:[e],readOnly:!0})],u.prototype,"loadWarnings",null),u=o([i("esri.core.Loadable")],u),u},u=p(s);function m(o){return!(!o||!o.load)}export{u as Loadable,p as LoadableMixin,m as isLoadable};