// Check all the remaining `.js` files:
// - If the corresponding TypeScript version already exists, remove the `.js` version.
// - Otherwise, rename the `.js` file to `.ts`
- // Remove `jsconfig.json`, because we already hav tsconfig.json
+ // Remove `jsconfig.json`, because we already have tsconfig.json
// `jsconfig.json` is not reused, because we use solution-style `tsconfig`s, which are much more complicated.
preOrderDirectoryTraverse(
root,