@arcgis/core/core/accessorSupport/Property.js

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

/*
All material copyright ESRI, All Rights Reserved, unless otherwise specified.
See https://js.arcgis.com/4.33/esri/copyright.txt for details.
*/
import{ObservableBase as t}from"./ObservableBase.js";import{OriginId as i}from"./PropertyOrigin.js";import{trackAccess as s,runTracked as e,trackExplicitDependencies as a,runUntracked as r}from"./tracking.js";import{Flags as o}from"./tracking/Flags.js";import{TrackingTarget as n}from"./tracking/TrackingTarget.js";class g extends t{constructor(t,i){super(),this.propertyName=t,this.metadata=i,this.trackingTarget=new n(this),this.flags=0,this.flags=o.Dirty|(i.nonNullable?o.NonNullable:0)|(i.hasOwnProperty("value")?o.HasDefaultValue:0)|(void 0===i.get?o.DepTrackingInitialized:0)|(void 0===i.dependsOn?o.AutoTracked:0)}destroy(){this.flags&o.Dirty&&this.onCommitted(),super.destroy(),this.trackingTarget.destroy()}getComputed(t){t.mutable&&s(this);const n=t.store,g=this.propertyName,h=this.flags,l=n.get(g);if(h&o.Computing)return l;if(~h&o.Dirty&&n.has(g))return l;this.flags|=o.Computing;const m=t.host;let d;h&o.AutoTracked?d=e(this.trackingTarget,this.metadata.get,m):(a(m,this),d=this.metadata.get.call(m)),this.flags|=o.DepTrackingInitialized,n.set(g,d,i.COMPUTED);const c=n.get(g);return c===l?this.flags&=~o.Dirty:r(this.commit,this),this.flags&=~o.Computing,c}notifyChange(){this.onInvalidated(),this.onCommitted()}invalidate(){this.onInvalidated()}commit(){this.flags&=~o.Dirty,this.onCommitted()}onInvalidated(){~this.flags&o.Overridden&&(this.flags|=o.Dirty);const t=this._observers;if(t&&t.length>0)for(const i of t)i.onInvalidated()}onCommitted(){const t=this._observers;if(t&&t.length>0){const i=t.slice();for(const t of i)t.onCommitted()}}}export{g as Property};