[no-unused-vars] Reports errors on TypeScript modules and namespaces

[boyanio]

Repro

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

module people {
  export interface Person {
    name: string;
  }
}

Expected Result

No errors

Actual Result

I get an error that people is defined, but not used. This is true for this file, but it is used in other files.

Additional Info

No errors in eslint. I read issue #1856 but I am not sure it is related to it

Versions

package	version
@typescript-eslint/eslint-plugin	3.7.1
@typescript-eslint/parser	3.7.1
TypeScript	3.9.2
ESLint	7.5.0
node	12.16.3
npm	6.14.4

[bradzacher]

#1856

Is about all issues to do with rules that use scope analysis. Which is why it's a meta issue and so many issues are rolled up into it.

The v4 rc is out on NPM with a new scope analyser. Give it a go.

The npm tag is rc-v4