For what it's worth, "yarn add" has been the "correct" way to add new dependencies from the beginning. https://engineering.fb.com/web/yarn-a-new-package-manage

For what it's worth, "yarn add" has been the "correct" way to add new dependencies from the beginning. https://engineering.fb.com/web/yarn-a-new-package-manager-for-javascript/ https://engineering.fb.com/web/yarn-a-new-package-manager-fo...