Yarn Advanced

yarn install --frozen-lockfile # fail if lock file is out of date
yarn install --pure-lockfile # do not update lock file

yarn audit # check for vulnerabilities
yarn audit --level moderate # set minimum severity level

yarn licenses list # list licenses of dependencies
yarn licenses generate-disclaimer # generate license disclaimer

yarn link # create symlink for local development
yarn link package # link package to project
yarn unlink package # unlink package

yarn check # verify package.json dependencies
yarn clean # remove unnecessary files