Summary:

Add explicit module exports in empty index.ts files.

Review Request #12790 — Created Jan. 20, 2023 and submitted Jan. 23, 2023, 8:27 p.m.

Description

TypeScript's tsc warns if a module lacks any exports. To satisfy that,
we now include an export {} in each of our empty index.ts files.

Testing Done

Ran tsc and no longer saw the warnings.

Commits

Summary
	Add explicit module exports in empty index.ts files.

Screenshots

Issues

Description	From	Last Updated

flake8 passed.

JSHint passed.

Ship it!

Pushed to release-4.x (e4564d7)