# affected:libs Print libraries affected by changes ## Usage ```bash nx affected:libs ``` Install `@nrwl/cli` globally to invoke the command directly using `nx`, or use `npm run nx` or `yarn nx`. ### Examples Print the names of all the libs affected by changing the index.ts file: ```bash nx affected:libs --files=libs/mylib/src/index.ts ``` Print the names of all the libs affected by the changes between master and HEAD (e.g., PR): ```bash nx affected:libs --base=master --head=HEAD ``` Print the names of all the libs affected by the last commit on master: ```bash nx affected:libs --base=master~1 --head=master ``` ## Options ### all All projects ### base Base of the current branch (usually master) ### configuration This is the configuration to use when performing tasks on projects ### exclude Default: `` Exclude certain projects from being processed ### files Change the way Nx is calculating the affected command by providing directly changed files, list of files delimited by commas ### head Latest commit of the current branch (usually HEAD) ### help Show help ### only-failed Default: `false` Isolate projects which previously failed ### plain Produces a plain output for affected:apps and affected:libs ### runner This is the name of the tasks runner configured in nx.json ### uncommitted Uncommitted changes ### untracked Untracked changes ### verbose Print additional error stack trace on failure ### version Show version number