@arcgis/core/core/workers/workerFactory.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{getAssetUrl as e}from"../../assets.js";import r from"../../config.js";import"../../intl.js";import{fullVersion as t}from"../../kernel.js";import has from"../has.js";import o from"../Logger.js";import{makeAbsolute as s}from"../urlUtils.js";import{loaderConfig as a}from"./loaderConfig.js";import{receiveMessage as n,MessageType as i}from"./utils.js";import l from"./WorkerFallback.js";import{getLocale as f}from"../../intl/locale.js";import{commitHash as u,buildDate as c}from"../../support/revision.js";const d=()=>o.getLogger("esri.core.workers.workerFactory"),{HANDSHAKE:m}=i,p='let globalId=0;const outgoing=new Map,configuration={CONFIGURATION};self.esriConfig=configuration.esriConfig;const workerPath=self.esriConfig.workers.workerPath,HANDSHAKE=0,OPEN=1,OPENED=2,RESPONSE=3,INVOKE=4,ABORT=5;function createAbortError(){const e=new Error("Aborted");return e.name="AbortError",e}function receiveMessage(e){return e&&e.data?"string"==typeof e.data?JSON.parse(e.data):e.data:null}function invokeStaticMessage(e,o,r){const t=r&&r.signal,n=globalId++;let s=null;return new Promise(((r,i)=>{if(t){if(t.aborted)return i(createAbortError());s=()=>{outgoing.get(n)&&(outgoing.delete(n),self.postMessage({type:5,jobId:n}),i(createAbortError()))},t.addEventListener("abort",s)}outgoing.set(n,{resolve:r,reject:i}),self.postMessage({type:4,jobId:n,methodName:e,abortable:null!=t,data:o})})).finally((()=>{t&&t.removeEventListener("abort",s)}))}let workerRevisionChecked=!1;function checkWorkerRevision(e){if(!workerRevisionChecked&&e.kernelInfo){workerRevisionChecked=!0;const{revision:o,fullVersion:r}=configuration.kernelInfo,{revision:t,fullVersion:n,version:s}=e.kernelInfo;esriConfig.assetsPath!==esriConfig.defaultAssetsPath&&o!==t&&console.warn(`Version mismatch detected between ArcGIS Maps SDK for JavaScript modules and assets. For more information visit https://bit.ly/3QnsuSo.\nModules version: ${r}\nAssets version: ${n??s}\nAssets path: ${esriConfig.assetsPath}`)}}function messageHandler(e){const o=receiveMessage(e);if(!o)return;const r=o.jobId;switch(o.type){case 1:let n;function t(e){const o=n.connect(e);self.postMessage({type:2,jobId:r,data:o},[o])}"function"==typeof define&&define.amd?require([workerPath],(e=>{n=e.default||e,checkWorkerRevision(n),n.loadWorker(o.modulePath).then((e=>e||new Promise((e=>{require([o.modulePath],e)})))).then(t)})):"System"in self&&"function"==typeof System.import?System.import(workerPath).then((e=>(n=e.default,checkWorkerRevision(n),n.loadWorker(o.modulePath)))).then((e=>e||System.import(o.modulePath))).then(t):esriConfig.workers.useDynamicImport?import(workerPath).then((e=>{n=e.default||e,checkWorkerRevision(n),n.loadWorker(o.modulePath).then((e=>e||import(o.modulePath))).then(t)})):(self.RemoteClient||importScripts(workerPath),n=self.RemoteClient.default||self.RemoteClient,checkWorkerRevision(n),n.loadWorker(o.modulePath).then(t));break;case 3:if(outgoing.has(r)){const s=outgoing.get(r);outgoing.delete(r),o.error?s.reject(JSON.parse(o.error)):s.resolve(o.data)}}}self.dojoConfig=configuration.loaderConfig,esriConfig.workers.loaderUrl&&(self.importScripts(esriConfig.workers.loaderUrl),"function"==typeof require&&"function"==typeof require.config&&require.config(configuration.loaderConfig)),self.addEventListener("message",messageHandler),self.postMessage({type:0});';let g,y;const h="Failed to create Worker. Fallback to execute module in main thread";async function k(){if(!has("esri-workers"))return w(new l);if(!g&&!y)try{const e=p.split("{CONFIGURATION}").join(b());g=URL.createObjectURL(new Blob([e],{type:"text/javascript"}))}catch(r){y=r||{}}let e;if(g)try{e=new Worker(g,{name:"esri-worker-"+v++})}catch(r){d().warn(h,y),e=new l}else d().warn(h,y),e=new l;return w(e)}async function w(e){return new Promise((r=>{function t(s){const a=n(s);a&&a.type===m&&(e.removeEventListener("message",t),e.removeEventListener("error",o),r(e))}function o(r){r.preventDefault(),e.removeEventListener("message",t),e.removeEventListener("error",o),d().warn("Failed to create Worker. Fallback to execute module in main thread",r),(e=new l).addEventListener("message",t),e.addEventListener("error",o)}e.addEventListener("message",t),e.addEventListener("error",o)}))}function b(){let o;if(null!=r.default){const e={...r};delete e.default,o=JSON.parse(JSON.stringify(e))}else o=JSON.parse(JSON.stringify(r));o.assetsPath=s(o.assetsPath),o.defaultAssetsPath=o.defaultAssetsPath?s(o.defaultAssetsPath):void 0,o.request.interceptors=[],o.log.interceptors=[],o.locale=f(),o.has={"esri-csp-restrictions":has("esri-csp-restrictions"),"esri-2d-debug":!1,"esri-2d-update-debug":has("esri-2d-update-debug"),"esri-2d-log-updating":has("esri-2d-log-updating"),"featurelayer-pbf":has("featurelayer-pbf"),"featurelayer-fast-triangulation-enabled":has("featurelayer-fast-triangulation-enabled"),"featurelayer-simplify-thresholds":has("featurelayer-simplify-thresholds"),"featurelayer-simplify-payload-size-factors":has("featurelayer-simplify-payload-size-factors"),"featurelayer-simplify-mobile-factor":has("featurelayer-simplify-mobile-factor"),"featurelayer-query-max-depth":has("featurelayer-query-max-depth"),"featurelayer-query-tile-max-features":has("featurelayer-query-tile-max-features"),"featurelayer-query-tile-concurrency":has("featurelayer-query-tile-concurrency"),"featurelayer-query-pausing-enabled":has("featurelayer-query-pausing-enabled"),"featurelayer-snapshot-concurrency":has("featurelayer-snapshot-concurrency"),"featurelayer-snapshot-enabled":has("featurelayer-snapshot-enabled"),"esri-atomics":has("esri-atomics"),"esri-shared-array-buffer":has("esri-shared-array-buffer"),"esri-tiles-debug":has("esri-tiles-debug"),"esri-workers-arraybuffer-transfer":has("esri-workers-arraybuffer-transfer"),"feature-polyline-generalization-factor":has("feature-polyline-generalization-factor"),"host-webworker":1},o.workers.loaderUrl&&(o.workers.loaderUrl=s(o.workers.loaderUrl)),o.workers.workerPath?o.workers.workerPath=s(o.workers.workerPath):o.workers.workerPath=s(e("esri/core/workers/RemoteClient.js")),o.workers.useDynamicImport=!1;const n=r.workers.loaderConfig,i=a({baseUrl:n?.baseUrl,locale:f(),has:{"csp-restrictions":1,"dojo-test-sniff":0,"host-webworker":1,...n?.has},map:{...n?.map},paths:{...n?.paths},packages:n?.packages||[]}),l={buildDate:c,fullVersion:t,revision:u};return JSON.stringify({esriConfig:o,loaderConfig:i,kernelInfo:l})}let v=0;export{k as createWorker};