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npm-prune - Remove extraneous packages


npm prune [[<@scope>/]<pkg>...] [--production] [--dry-run] [--json]


This command removes "extraneous" packages. If a package name is provided, then only packages matching one of the supplied names are removed.

Extraneous packages are those present in the node_modules folder that are not listed as any package's dependency list.

If the --production flag is specified or the NODE_ENV environment variable is set to production, this command will remove the packages specified in your devDependencies. Setting --no-production will negate NODE_ENV being set to production.

If the --dry-run flag is used then no changes will actually be made.

If the --json flag is used, then the changes npm prune made (or would have made with --dry-run) are printed as a JSON object.

In normal operation, extraneous modules are pruned automatically, so you'll only need this command with the --production flag. However, in the real world, operation is not always "normal". When crashes or mistakes happen, this command can help clean up any resulting garbage.

See Also

  • npm help uninstall
  • npm help folders
  • npm help ls

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