[no-unused-vars] false positive about exported type definitions

[iwata]

Repro

{
  "rules": {
    "no-unused-vars": "error",
    "typescript/no-unused-vars": "error"
  }
}

import firebase, {User} from 'firebase/app'

// initialize firebase project
firebase.initializeApp({
  ...
})
export function authenticated(cb: (user: User | null) => void): void {
  firebase.auth().onAuthStateChanged(user => cb(user))
}

Expected Result
It should lint without errors.

Actual Result

utils/authentication.ts:1:19
✖    1:19  User is defined but never used.                                                                 no-unused-vars

Versions

package	version
eslint-plugin-typescript	0.12.0
typescript-eslint-parser	21.0.1
typescript	3.1.6

[bradzacher]

I haven't dug into it, but I believe it's related to #152
If it is, then it'll be fixed by the parser upgrade.

[iwata]

If it is, then it'll be fixed by the parser upgrade.

Okay, I'll wait for new version of parser.