@arcgis/core/core/workers/WorkerOwner.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"../Error.js";import t from"../Logger.js";import{removeMaybe as o}from"../maybe.js";import{onAbortOrThrow as s,isPromiseLike as r,isAbortError as n}from"../promiseUtils.js";import{staticWorkerMessages as a}from"./staticWorkerMessages.js";import{newJobId as i,MessageType as l,receiveMessage as d,toInvokeError as c,postMessage as h}from"./utils.js";import{createWorker as p}from"./workerFactory.js";const{ABORT:b,INVOKE:m,OPEN:_,OPENED:g,RESPONSE:u}=l;class j{static async create(e){const t=await p();return new j(t,e)}constructor(e,o){this._outJobs=new Map,this._inJobs=new Map,this.worker=e,this.id=o,e.addEventListener("message",this._onMessage.bind(this)),e.addEventListener("error",(e=>{e.preventDefault(),t.getLogger("esri.core.workers.WorkerOwner").error(e)}))}terminate(){this.worker.terminate()}async open(e,t={}){const{signal:o}=t,r=i();return new Promise(((t,n)=>{const a={resolve:t,reject:n,abortHandle:s(o,(()=>{this._outJobs.delete(r),this._post({type:b,jobId:r})}))};this._outJobs.set(r,a),this._post({type:_,jobId:r,modulePath:e})}))}_onMessage(e){const t=d(e);if(t)switch(t.type){case g:this._onOpenedMessage(t);break;case u:this._onResponseMessage(t);break;case b:this._onAbortMessage(t);break;case m:this._onInvokeMessage(t)}}_onAbortMessage(e){const t=this._inJobs,o=e.jobId,s=t.get(o);s&&(s.controller&&s.controller.abort(),t.delete(o))}_onInvokeMessage(e){const{methodName:t,jobId:o,data:s,abortable:i}=e,l=i?new AbortController:null,d=this._inJobs,h=a[t];let p;try{if("function"!=typeof h)throw new TypeError(`${t} is not a function`);p=h.call(null,s,{signal:l?l.signal:null})}catch(b){return void this._post({type:u,jobId:o,error:c(b)})}r(p)?(d.set(o,{controller:l,promise:p}),p.then((e=>{d.has(o)&&(d.delete(o),this._post({type:u,jobId:o},e))}),(e=>{d.has(o)&&(d.delete(o),e||(e={message:"Error encountered at method"+t}),n(e)||this._post({type:u,jobId:o,error:c(e||{message:`Error encountered at method ${t}`})}))}))):this._post({type:u,jobId:o},p)}_onOpenedMessage(e){const{jobId:t,data:s}=e,r=this._outJobs.get(t);r&&(this._outJobs.delete(t),o(r.abortHandle),r.resolve(s))}_onResponseMessage(t){const{jobId:s,error:r,data:n}=t,a=this._outJobs.get(s);a&&(this._outJobs.delete(s),o(a.abortHandle),r?a.reject(e.fromJSON(JSON.parse(r))):a.resolve(n))}_post(e,t,o){return h(this.worker,e,t,o)}}export{j as default};