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define(["require","exports","tslib","../global","./RemoteClient","./utils","@dojo/framework/shim/Promise"],(function(e,t,r,n,s,i){var o=function(){var e=this,t=document.createDocumentFragment();["addEventListener","dispatchEvent","removeEventListener"].forEach((function(r){e[r]=function(){for(var e=[],n=0;n<arguments.length;n++)e[n]=arguments[n];return t[r].apply(t,e)}}))},a=n.MutationObserver||n.WebKitMutationObserver,c=function(){var e;if(n.process&&n.process.nextTick)e=function(e){n.process.nextTick(e)};else if(n.Promise)e=function(e){n.Promise.resolve().then(e)};else if(a){var t=[],r=document.createElement("div");new a((function(){for(;t.length>0;)t.shift()()})).observe(r,{attributes:!0}),e=function(e){t.push(e),r.setAttribute("queueStatus","1")}}return e}(),u=function(){var e=n.MessageEvent;try{new e("message",{data:null})}catch(e){return function(e,t){void 0===t&&(t={});var r=t.data,n=t.bubbles,s=void 0!==n&&n,i=t.cancelable,o=void 0!==i&&i,a=document.createEvent("Event");return a.initEvent(e,s,o),a.data=r,a}}return function(t,r){return new e(t,r)}}();return function(){function t(){this._dispatcher=new o,this._isInitialized=!1,this._workerPostMessage({type:i.MessageType.HANDSHAKE})}return t.prototype.terminate=function(){},Object.defineProperty(t.prototype,"onmessage",{get:function(){return this._onmessageHandler},set:function(e){this._onmessageHandler&&this.removeEventListener("message",this._onmessageHandler),this._onmessageHandler=e,e&&this.addEventListener("message",e)},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onerror",{get:function(){return this._onerrorHandler},set:function(e){this._onerrorHandler&&this.removeEventListener("error",this._onerrorHandler),this._onerrorHandler=e,e&&this.addEventListener("error",e)},enumerable:!0,configurable:!0}),t.prototype.postMessage=function(e){var t=this;c((function(){t._workerMessageHandler(u("message",{data:e}))}))},t.prototype.dispatchEvent=function(e){return this._dispatcher.dispatchEvent(e)},t.prototype.addEventListener=function(e,t,r){this._dispatcher.addEventListener(e,t,r)},t.prototype.removeEventListener=function(e,t,r){this._dispatcher.removeEventListener(e,t,r)},t.prototype._workerPostMessage=function(e){var t=this;c((function(){t.dispatchEvent(u("message",{data:e}))}))},t.prototype._workerMessageHandler=function(t){return r.__awaiter(this,void 0,void 0,(function(){var n,o,a,c,u;return r.__generator(this,(function(r){switch(r.label){case 0:if(!(n=i.receiveMessage(t)))return[2];switch(n.type){case i.MessageType.CONFIGURE:return[3,1];case i.MessageType.OPEN:return[3,2]}return[3,6];case 1:return this._isInitialized||this._workerPostMessage({type:i.MessageType.CONFIGURED}),[3,6];case 2:return o=n.modulePath,a=n.jobId,[4,s.loadWorker(o)];case 3:return(c=r.sent())?[3,5]:[4,new Promise((function(t,r){e([o],t,r)}))];case 4:c=r.sent(),r.label=5;case 5:return u=s.connect(c),this._workerPostMessage({type:i.MessageType.OPENED,jobId:a,data:u}),[3,6];case 6:return[2]}}))}))},t}()}));