Cleans and removes unnecessary files from package dependencies.
yarn clean The clean command frees up space by removing unnecessary files and folders from dependencies. It reduces the number of files in your project’s node_modules folder which is useful in an environment where packages are checked into version control directly.
Once you run yarn clean, Yarn will create a .yarnclean file that should be added to version control. Cleaning is then automatically done as part of yarn install (or simply yarn) and yarn add.
Note: This command is considered for advanced use cases only. Unless you are experiencing issues with the amount of files that are installed as part of node_modules it is not recommended to use this command. It uses a heuristic to identify files that may not be needed from a distributed package and may not be entirely safe.
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