yarn flags & options

`add`

Add a package as a dependency.

yarn add react

yarn add express@4.18.2

Remove a package from dependencies.

yarn remove lodash

Add a package as a dev dependency.

yarn add --dev typescript

yarn add -D eslint prettier

Add a package as a peer dependency.

yarn add --peer react

Fail if the lockfile needs to be updated, useful in CI environments.

yarn install --frozen-lockfile

Run a command in a specific workspace within a monorepo.

yarn workspace @myorg/api add express

yarn workspace @myorg/web build

yarn workspaces foreach run test

Run a package without installing it globally, similar to npx.

yarn dlx create-react-app my-app

yarn dlx degit user/repo my-project

Explain why a package is installed and what depends on it.

yarn why webpack

yarn why react-dom