TypeError: Cannot read property 'xxxx' of undefined

[JohnGalt1717]

I'm submitting a...

[x] Bug report

Current behavior

In previous versions with the cli (6.0.0-rc.10 with 6.0.0-rc.6 of the compiler) everything was fine. IN the new version we're getting a ton of TypeError: Cannot read property 'xxx' of undefined.

ngx-quill causes this as does the following:
`
export namespace Enums {
export enum AccountTypes {
Checking = 1,
Savings = 2,
SharedDraft = 3,
}

export const AccountTypesTranslation: Structures.KeyValuePair[] = [
	{ value: AccountTypes.Checking, text: 'Checking' },
	{ value: AccountTypes.Savings, text: 'Savings' },
	{ value: AccountTypes.SharedDraft, text: 'Shared Draft' },
]

}
`

and this in app.module.ts:
import { Enums } from './api/xxx.Interfaces';

It appears that all of the Enums items are all factored out and cause undefined.

Expected behavior

Should work like 6.0.0-rc.6 (and cli rc.10) and not factor out this code causing errors.

Environment

Angular CLI: 6.0.0
Node: 8.10.0
OS: win32 x64
Angular: 6.0.0
... animations, cli, common, compiler, compiler-cli, core, forms
... http, language-service, platform-browser
... platform-browser-dynamic, platform-server, router
... service-worker

Package Version

@angular-devkit/architect 0.6.0
@angular-devkit/build-angular 0.6.0
@angular-devkit/build-optimizer 0.6.0
@angular-devkit/core 0.6.0
@angular-devkit/schematics 0.6.0
@ngtools/webpack 6.0.0
@schematics/angular 0.6.0
@schematics/update 0.6.0
rxjs 6.1.0
typescript 2.7.2
webpack 4.6.0

Browser:

• [X ] Chrome (desktop) version Latest
• Chrome (Android) version XX
• Chrome (iOS) version XX
• Firefox version Latest
• Safari (desktop) version XX
• Safari (iOS) version XX
• IE version 11
• Edge version 17

For Tooling issues:

• Node version: 8.10.0
• Platform: Windows

##Steps to Reproduce

ng new projectname

Add a new ts file with the above snippet of typescript
Import it into app.module.
In app.component.ts import it again and attempt to use it there. Or do the same in the app.module in n APP_INITIALIZER. In both cases you'll get the above error.

[fergalmoran]

@trotyl @ericmartinezr Why the thumbs down? This is definitely an issue.

[trotyl]

No reproduction, wrong repo.

[JohnGalt1717]

There's a reproduction. It's clearly outlined.

What wrong repo? This is angular.

[trotyl]

Duplicate of angular/angular-cli#10655, not an Angular issue.

[JohnGalt1717]

Ok... well as long as someone knows...

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