[init-declarations] eslint's JS version of this rule does not handle the case of TS declaration statements. We need a TS version of this rule.

[RebeccaStevens]

eslint's init-declarations rule.

Repro

{
  "rules": {
    "init-declarations": ["error", "always"],
  }
}

declare const foo: number;

Expected Result

Type declarations should not cause an eslint rule violation.

Actual Result

The init-declarations rule raises a violation.

Additional Info

Versions

package	version
@typescript-eslint/eslint-plugin	2.25.0
@typescript-eslint/parser	2.25.0
TypeScript	3.8.3
ESLint	6.8.0
node	12.4.0
npm	6.13.5