bootstrapWebWorker is transpiled to bootstrapWebworker, which throws a TypeError.

[manekinekko]

Hi,
I just noticed something weird when playing around with the Web Worker modules. It is about bootstrapWebWorker.

The TypeScript function name is called bootstrapWebWorker (with two capital "W") but the generated JavaScript name seems to turn to bootstrapWebworker (one capital "W") which throws a TypeError.

Here is how to reproduce this:

bootstrap.ts

/// <reference path="../typings/_custom.d.ts" />
import {bootstrap} from "angular2/src/web-workers/ui/application";
bootstrap('loader.js');

loader.ts

/// <reference path="../typings/_custom.d.ts" />
import './worker';

worker.ts

/// <reference path="../typings/_custom.d.ts" />
import {bootstrapWebWorker} from "angular2/src/web-workers/worker/application";
import {httpInjectables, formInjectables} from 'angular2/angular2'
import {routerInjectables} from 'angular2/router';

/*
 * App Component
 */
import {App} from './app';

bootstrapWebWorker(App, [httpInjectables, formInjectables, routerInjectables]);
// Uncaught TypeError: application_1.bootstrapWebWorker is not a function

See screenshot below.

I don't know if this is a TypeScript or Angular2 bug.

Versions information

• angular@2.0.0-alpha.34
• typescript@1.5.3

[jteplitz]

Hey @manekinekko, how are you transpiling angular? Are you using our gulp tasks or running it through the TypeScript compiler yourself?

[manekinekko]

Hi @jteplitz602 I am using angular-class repo. It uses webpack and the tasks are defined in the package.json

[jteplitz]

It looks like this is an issue with our npm release. I'll investigate on Monday. For now, the easiest way for you to work around it is to build angular from source since this doesn't appear to be a problem when you build angular directly:

1. Clone github.com/angular/angular
2. cd angular && npm install
3. gulp build.js.dev
4. Replace your current angular source with the source code generated in dist/js/dev/es5 | es6

[jteplitz]

Sorry, this actually isn't a bug. We renamed bootstrapWebWorker in a1c53ee, which hasn't landed in npm yet. This should be fixed in the alpha35 release.

WebWorker support is still under active development so we're going to be making breaking changes to it for a while. I'd recommend you build from source as part of your app's build pipeline if you plan to use WebWorkers because things are changing so frequently.

[manekinekko]

Sure! I understand. It is actually part of the Universal project I'm contributing to.

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