var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {

var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;

if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);

else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;

return c > 3 && r && Object.defineProperty(target, key, r), r;

};

var __metadata = (this && this.__metadata) || function (k, v) {

if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);

};

import { PostMessageBus, PostMessageBusSink, PostMessageBusSource } from 'angular2/src/web_workers/shared/post_message_bus';

import { MessageBus } from 'angular2/src/web_workers/shared/message_bus';

import { APP_INITIALIZER } from 'angular2/core';

import { Injector, Injectable } from 'angular2/src/core/di';

import { WORKER_RENDER_APPLICATION_COMMON, WORKER_SCRIPT, initializeGenericWorkerRenderer } from 'angular2/src/platform/worker_render_common';

import { BaseException } from 'angular2/src/facade/exceptions';

/**

* Wrapper class that exposes the Worker

* and underlying {@link MessageBus} for lower level message passing.

*/

export let WebWorkerInstance = class WebWorkerInstance {

/** @internal */

init(worker, bus) {

this.worker = worker;

this.bus = bus;

}

};

WebWorkerInstance = __decorate([

Injectable(),

__metadata('design:paramtypes', [])

], WebWorkerInstance);

/**

* An array of providers that should be passed into `application()` when initializing a new Worker.

*/

export const WORKER_RENDER_APPLICATION = [

WORKER_RENDER_APPLICATION_COMMON, WebWorkerInstance,

/*@ts2dart_Provider*/ {

provide: APP_INITIALIZER,

useFactory: (injector => () => initWebWorkerApplication(injector)),

multi: true,

deps: [Injector]

},

/*@ts2dart_Provider*/ {

provide: MessageBus,

useFactory: (instance) => instance.bus,

deps: [WebWorkerInstance]

}

];

function initWebWorkerApplication(injector) {

var scriptUri;

try {

scriptUri = injector.get(WORKER_SCRIPT);

}

catch (e) {

throw new BaseException("You must provide your WebWorker's initialization script with the WORKER_SCRIPT token");

}

let instance = injector.get(WebWorkerInstance);

spawnWebWorker(scriptUri, instance);

initializeGenericWorkerRenderer(injector);

}

/**

* Spawns a new class and initializes the WebWorkerInstance

*/

function spawnWebWorker(uri, instance) {

var webWorker = new Worker(uri);

var sink = new PostMessageBusSink(webWorker);

var source = new PostMessageBusSource(webWorker);

var bus = new PostMessageBus(sink, source);

instance.init(webWorker, bus);

}

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