# @babel/helper-annotate-as-pure> Helper function to annotate paths and nodes with #__PURE__ commentSee our website [@babel/helper-annotate-as-pure](https://babeljs.io/docs/en/next/babel-helper-annotate-as-pure.html) for more information.## InstallUsing npm:```shnpm install--save-dev @babel/helper-annotate-as-pure```or using yarn:```shyarn add @babel/helper-annotate-as-pure --dev```