Fail to build when worker-loader is used

[trimeyko]

OS?

Windows 10

Versions.

@angular/cli: 1.0.0-beta.32.3 (e)
node: 7.5.0
os: win32 x64
@angular/common: 2.4.7
@angular/compiler: 2.4.7
@angular/core: 2.4.7
@angular/forms: 2.4.7
@angular/http: 2.4.7
@angular/platform-browser: 2.4.7
@angular/platform-browser-dynamic: 2.4.7
@angular/router: 3.4.7
@angular/cli: 1.0.0-beta.32.3
@angular/compiler-cli: 2.4.7

Repro steps.

1. create new project using ng new
2. npm install worker-loader
3. create some typescript file (test.ts) and require it using worker-loader, for example in app.component.ts:

let Worker = require('worker-loader!./test.ts');

and try to create it in constructor:

constructor() {
const worker = new Worker();
}

The log given by the failure.

Uncaught Error: Module build failed: TypeError: Cannot read property 'newLine' of undefined
at Object.getNewLineCharacter (E:\project\upd\node_modules\typescript\lib\typescript.js:8062:20)
at Object.createCompilerHost (E:\project\upd\node_modules\typescript\lib\typescript.js:44978:26)
at Object.ngcLoader (E:\project\upd\node_modules@ngtools\webpack\src\loader.js:350:33)

Mention any other details that might be useful.

Worked before cli switched to own ts loader, works fine when override loaders in require with own ts-loader like "require('!!worker-loader!ts-loader!./test.ts')" until required file has some imports which is loaded using cli loader again, probably any way to override inner requires globally on worker-loader require ?

What's expected solution to load worker files using cli ?

[filipesilva]

Using loaders explicitly is not a supported usecase for the CLI and we provide no guarantee it will work.

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