Custom decorator doesn't work with aot compilation

[milne-dev]

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[X] bug report => search github for a similar issue or PR before submitting
[ ] feature request
[ ] support request => Please do not submit support request here, instead see https://github.com/angular/angular/blob/master/CONTRIBUTING.md#question

Current behavior
The decorator is called "authenticated" and calls the method it is decorating if the current user is authenticated, otherwise the login/signup modal is opened up instead.

Expected behavior
When I compile my app with the --aot flag (I'm using angular-cli), my custom decorator does not work as expected. This should continue to work the same with aot compilation.

Minimal reproduction of the problem with instructions
This is the code for the decorator:

export interface AuthenticatedServices {
	authService: AuthService;
}

export function authenticated(target: AuthenticatedServices, propertyKey: string, descriptor: TypedPropertyDescriptor<any>) {
	let originalMethod = descriptor.value;

	descriptor.value = function(...args: any[]) {
		if (!this.authService.isAuthenticated$.value) {
			return this.authService.openLoginSignup();
		}

		return originalMethod.apply(this, args);
	};
}

This decorator can be used on any method of a class that implements the AuthenticatedServices interface like so:

@Component({selector: 'upvote', templateUrl: 'upvote.component.html'})
export class AwesomeUpvoteComponent implements AuthenticatedServices {
	constructor(public authService: AuthService) {}

        @authenticated
        toggleUpvote() {
	        this.superUpvotingServiceOnlyAuthenticatedUserCanCall.toggleUpvote();
        }
}

Please tell us about your environment:

• Angular version: 2.2.1

• Browser: Chromium 55

• Language: TypeScript 2.0.3

• Node (for AoT issues): node --version = 7.2.1

[ericmartinezr]

Have you seen this issue angular/angular-cli#2799 ?

[milne-dev]

Nope. I did a search for 'decorator' before posting, but nothing relevant came up.

[milne-dev]

Didn't realize it was a cli issue. Thanks for the link.

[robwormald]

closing as this is specific to angular-cli.

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