No, yarn and npm don't have the same CLI API. For instance, the most basic command that adds a dependency : npm install [package] yarn add [package] Even the

No, yarn and npm don't have the same CLI API. For instance, the most basic command that adds a dependency : npm install [package] yarn add [package] Even the options for this command are different (--save-dev vs --dev). In fact, the situation is even more confusing, since `yarn install` exists but does not accept parameters: yarn install [1/4] Resolving packages... success Already up-to-date. yarn install something error `install` has been replaced with `add` to add new dependencies. Run "yarn add something" instead.