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NPM-PRUNE(1) NPM-PRUNE(1)
NAME
npm-prune - Remove extraneous packages
Synopsis
npm prune [[<@scope>/]<pkg>...]
Description
This command removes "extraneous" packages. If a package name is pro-
vided, 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 --omit=dev flag is specified or the NODE_ENV environment vari-
able is set to production, this command will remove the packages speci-
fied in your devDependencies.
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 mis-
takes happen, this command can help clean up any resulting garbage.
Configuration
omit
o Default: 'dev' if the NODE_ENV environment variable is set to 'pro-
duction', otherwise empty.
o Type: "dev", "optional", or "peer" (can be set multiple times)
Dependency types to omit from the installation tree on disk.
Note that these dependencies are still resolved and added to the pack-
age-lock.json or npm-shrinkwrap.json file. They are just not physically
installed on disk.
If a package type appears in both the --include and --omit lists, then
it will be included.
If the resulting omit list includes 'dev', then the NODE_ENV environ-
ment variable will be set to 'production' for all lifecycle scripts.
include
o Default:
o Type: "prod", "dev", "optional", or "peer" (can be set multiple
times)
Option that allows for defining which types of dependencies to install.
This is the inverse of --omit=<type>.
Dependency types specified in --include will not be omitted, regardless
of the order in which omit/include are specified on the command-line.
dry-run
o Default: false
o Type: Boolean
Indicates that you don't want npm to make any changes and that it
should only report what it would have done. This can be passed into any
of the commands that modify your local installation, eg, install,
update, dedupe, uninstall, as well as pack and publish.
Note: This is NOT honored by other network related commands, eg dist-
tags, owner, etc.
json
o Default: false
o Type: Boolean
Whether or not to output JSON data, rather than the normal output.
o In npm pkg set it enables parsing set values with JSON.parse()
before saving them to your package.json.
Not supported by all npm commands.
foreground-scripts
o Default: false unless when using npm pack or npm publish where it
defaults to true
o Type: Boolean
Run all build scripts (ie, preinstall, install, and postinstall)
scripts for installed packages in the foreground process, sharing stan-
dard input, output, and error with the main npm process.
Note that this will generally make installs run slower, and be much
noisier, but can be useful for debugging.
ignore-scripts
o Default: false
o Type: Boolean
If true, npm does not run scripts specified in package.json files.
Note that commands explicitly intended to run a particular script, such
as npm start, npm stop, npm restart, npm test, and npm run-script will
still run their intended script if ignore-scripts is set, but they will
not run any pre- or post-scripts.
workspace
o Default:
o Type: String (can be set multiple times)
Enable running a command in the context of the configured workspaces of
the current project while filtering by running only the workspaces
defined by this configuration option.
Valid values for the workspace config are either:
o Workspace names
o Path to a workspace directory
o Path to a parent workspace directory (will result in selecting all
workspaces within that folder)
When set for the npm init command, this may be set to the folder of a
workspace which does not yet exist, to create the folder and set it up
as a brand new workspace within the project.
This value is not exported to the environment for child processes.
workspaces
o Default: null
o Type: null or Boolean
Set to true to run the command in the context of all configured
workspaces.
Explicitly setting this to false will cause commands like install to
ignore workspaces altogether. When not set explicitly:
o Commands that operate on the node_modules tree (install, update,
etc.) will link workspaces into the node_modules folder. - Commands
that do other things (test, exec, publish, etc.) will operate on
the root project, unless one or more workspaces are specified in
the workspace config.
This value is not exported to the environment for child processes.
include-workspace-root
o Default: false
o Type: Boolean
Include the workspace root when workspaces are enabled for a command.
When false, specifying individual workspaces via the workspace config,
or all workspaces via the workspaces flag, will cause npm to operate
only on the specified workspaces, and not on the root project.
This value is not exported to the environment for child processes.
install-links
o Default: false
o Type: Boolean
When set file: protocol dependencies will be packed and installed as
regular dependencies instead of creating a symlink. This option has no
effect on workspaces.
See Also
o npm help uninstall
o npm help folders
o npm help ls
NPM@10.8.3 August 2024 NPM-PRUNE(1)
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