@arcgis/core/core/signal.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{equalsShallow as t}from"./lang.js";import{trackAccess as e}from"./accessorSupport/tracking.js";import{SimpleObservable as s}from"./accessorSupport/tracking/SimpleObservable.js";class i{constructor(t,e){this._observable=new s,this._value=t,this._equalityFunction=e}get value(){return e(this._observable),this._value}set value(t){this._equalityFunction(t,this._value)||(this._value=t,this._observable.notify())}mutate(t){t(this._value),this._observable.notify()}}function r(e,s=t){return new i(e,s)}export{r as signal};