@arcgis/core/core/accessorSupport/watch.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 e from"../ArrayPool.js";import{makeHandle as t}from"../handleUtils.js";import{equals as r,equalsShallow as l}from"../lang.js";import{ReentrantObjectPool as o}from"../ReentrantObjectPool.js";import{schedule as i}from"../scheduling.js";import{someSet as n}from"../SetUtils.js";import{generateUID as s}from"../uid.js";import{valueOf as c}from"./get.js";import{Lifecycle as u}from"./Lifecycle.js";import{reaction as a,reactionDeferred as d}from"./trackingUtils.js";import{parse as f}from"./utils.js";var h;!function(e){e[e.Untracked=0]="Untracked",e[e.Tracked=1]="Tracked"}(h||(h={}));class m{constructor(){this.uid=s(),this.removed=!1,this.type=null,this.oldValue=null,this.callback=null,this.getValue=null,this.target=null,this.path=null,this.equals=null}static{this.pool=new o(m)}static acquireUntracked(e,t,l,o,i){return this.pool.acquire(h.Untracked,e,t,l,o,i,r)}static acquireTracked(e,t,r,l){return this.pool.acquire(h.Tracked,e,t,r,null,null,l)}notify(e,t){this.type===h.Untracked?this.callback.call(this.target,e,t,this.path,this.target):this.callback.call(null,e,t,void 0,void 0)}acquire(e,t,r,l,o,i,n){this.uid=s(),this.removed=!1,this.type=e,this.oldValue=t,this.callback=r,this.getValue=l,this.target=o,this.path=i,this.equals=n}release(){this.target=this.path=this.oldValue=this.callback=this.getValue=null,this.uid=s(),this.removed=!0}}const p=new e,v=new Set;let k;function _(e){v.delete(e),v.add(e),k||(k=i(q))}function g(e){if(e.removed)return;const t=e.oldValue,r=e.getValue();e.equals(t,r)||(e.oldValue=r,e.notify(r,t))}function j(e){for(const t of v.values())t.target===e&&(t.removed=!0)}function q(){let e=10;for(;k&&e--;){k=null;const e=y(),t=p.acquire();for(const r of e){const e=r.uid;g(r),e===r.uid&&r.removed&&t.push(r)}for(const r of v)r.removed&&(t.push(r),v.delete(r));for(const r of t)m.pool.release(r);p.release(t),p.release(e),V.forEach((e=>e()))}}function y(){const e=p.acquire();e.length=v.size;let t=0;for(const r of v)e[t]=r,++t;return v.clear(),e}const V=new Set;function U(e){return V.add(e),t((()=>V.delete(e)))}function T(e,r,l){let o=f(e,r,l,((e,r,l)=>{let i,n,s=d((()=>c(e,r)),((t,s)=>{e.__accessor__?.lifecycle===u.DESTROYED||i&&i.uid!==n?o.remove():(i||(i=m.acquireUntracked(t,l,s,e,r),n=i.uid),_(i))}));return t((()=>{s.remove(),i&&(i.uid!==n||i.removed||(i.removed=!0,_(i)),i=null),o=s=null}))}));return o}function E(e,t,l){const o=f(e,t,l,((e,t,l)=>{let i=!1;return a((()=>c(e,t)),((n,s)=>{e.__accessor__.lifecycle!==u.DESTROYED?i||(i=!0,r(s,n)||l.call(e,n,s,t,e),i=!1):o.remove()}))}));return o}function b(e,r,l,o=!1){return e.__accessor__&&e.__accessor__.lifecycle!==u.DESTROYED?o?E(e,r,l):T(e,r,l):t()}function D(e,r,l){let o,i,n=d(e,((e,t)=>{o&&o.uid!==i?n.remove():(o||(o=m.acquireTracked(e,r,t,l),i=o.uid),_(o))}));return t((()=>{n.remove(),o&&(o.uid!==i||o.removed||(o.removed=!0,_(o)),o=null),n=null}))}function S(e,t,r){let l=!1;return a(e,((e,o)=>{l||(l=!0,r(o,e)||t(e,o),l=!1)}))}function w(e,t,r=!1,o=l){return r?S(e,t,o):D(e,t,o)}function O(e){return n(v,(t=>t.oldValue===e))}export{U as afterDispatch,q as dispatch,O as isValueInUse,j as removeTarget,b as watch,w as watchTracked};