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npm-config(1) -- Manage the npm configuration file

SYNOPSIS

npm config set <key> <value> [--global]
npm config get <key>
npm config delete <key>
npm config list
npm config edit
npm get <key>
npm set <key> <value> [--global]

DESCRIPTION

npm gets its configuration values from 6 sources, in this priority:

Command Line Flags

Putting --foo bar on the command line sets the foo configuration parameter to "bar". A -- argument tells the cli parser to stop reading flags. A --flag parameter that is at the end of the command will be given the value of true.

Environment Variables

Any environment variables that start with npm_config_ will be interpreted as a configuration parameter. For example, putting npm_config_foo=bar in your environment will set the foo configuration parameter to bar. Any environment configurations that are not given a value will be given the value of true. Config values are case-insensitive, so NPM_CONFIG_FOO=bar will work the same.

Per-user config file

$HOME/.npmrc (or the userconfig param, if set above)

This file is an ini-file formatted list of key = value parameters. Environment variables can be replaced using ${VARIABLE_NAME}. For example:

prefix = ${HOME}/.npm-packages

Global config file

$PREFIX/etc/npmrc (or the globalconfig param, if set above): This file is an ini-file formatted list of key = value parameters. Environment variables can be replaced as above.

Built-in config file

path/to/npm/itself/npmrc

This is an unchangeable "builtin" configuration file that npm keeps consistent across updates. Set fields in here using the ./configure script that comes with npm. This is primarily for distribution maintainers to override default configs in a standard and consistent manner.

Default Configs

A set of configuration parameters that are internal to npm, and are defaults if nothing else is specified.

Sub-commands

Config supports the following sub-commands:

set

npm config set key value

Sets the config key to the value.

If value is omitted, then it sets it to "true".

get

npm config get key

Echo the config value to stdout.

list

npm config list

Show all the config settings.

delete

npm config delete key

Deletes the key from all configuration files.

edit

npm config edit

Opens the config file in an editor. Use the --global flag to edit the global config.

Shorthands and Other CLI Niceties

The following shorthands are parsed on the command-line:

-v: --version
-h, -?, --help, -H: --usage
-s, --silent: --loglevel silent
-q, --quiet: --loglevel warn
-d: --loglevel info
-dd, --verbose: --loglevel verbose
-ddd: --loglevel silly
-g: --global
-l: --long
-m: --message
-p, --porcelain: --parseable
-reg: --registry
-v: --version
-f: --force
-desc: --description
-S: --save
-D: --save-dev
-O: --save-optional
-B: --save-bundle
-y: --yes
-n: --yes false
ll and la commands: ls --long

If the specified configuration param resolves unambiguously to a known configuration parameter, then it is expanded to that configuration parameter. For example:

npm ls --par
# same as:
npm ls --parseable

If multiple single-character shorthands are strung together, and the resulting combination is unambiguously not some other configuration param, then it is expanded to its various component pieces. For example:

npm ls -gpld
# same as:
npm ls --global --parseable --long --loglevel info

Per-Package Config Settings

When running scripts (see npm-scripts(1)) the package.json "config" keys are overwritten in the environment if there is a config param of <name>[@<version>]:<key>. For example, if the package.json has this:

{ "name" : "foo"
, "config" : { "port" : "8080" }
, "scripts" : { "start" : "node server.js" } }

and the server.js is this:

http.createServer(...).listen(process.env.npm_package_config_port)

then the user could change the behavior by doing:

npm config set foo:port 80

Config Settings

always-auth

Default: false
Type: Boolean

Force npm to always require authentication when accessing the registry, even for GET requests.

bin-links

Default: true
Type: Boolean

Tells npm to create symlinks (or .cmd shims on Windows) for package executables.

Set to false to have it not do this. This can be used to work around the fact that some file systems don't support symlinks, even on ostensibly Unix systems.

browser

Default: OS X: "open", others: "google-chrome"
Type: String

The browser that is called by the npm docs command to open websites.

ca

Default: The npm CA certificate
Type: String or null

The Certificate Authority signing certificate that is trusted for SSL connections to the registry.

Set to null to only allow "known" registrars, or to a specific CA cert to trust only that specific signing authority.

cache

Default: Windows: %APPDATA%\npm-cache, Posix: ~/.npm
Type: path

The location of npm's cache directory. See npm-cache(1)

cache-lock-stale

Default: 60000 (1 minute)
Type: Number

The number of ms before cache folder lockfiles are considered stale.

cache-lock-retries

Default: 10
Type: Number

Number of times to retry to acquire a lock on cache folder lockfiles.

cache-lock-wait

Default: 10000 (10 seconds)
Type: Number

Number of ms to wait for cache lock files to expire.

cache-max

Default: Infinity
Type: Number

The maximum time (in seconds) to keep items in the registry cache before re-checking against the registry.

Note that no purging is done unless the npm cache clean command is explicitly used, and that only GET requests use the cache.

cache-min

Default: 10
Type: Number

The minimum time (in seconds) to keep items in the registry cache before re-checking against the registry.

Note that no purging is done unless the npm cache clean command is explicitly used, and that only GET requests use the cache.

color

Default: true on Posix, false on Windows
Type: Boolean or "always"

If false, never shows colors. If "always" then always shows colors. If true, then only prints color codes for tty file descriptors.

coverage

Default: false
Type: Boolean

A flag to tell test-harness to run with their coverage options enabled, if they respond to the npm_config_coverage environment variable.

depth

Default: Infinity
Type: Number

The depth to go when recursing directories for npm ls and npm cache ls.

description

Default: true
Type: Boolean

Show the description in npm search

dev

Default: false
Type: Boolean

Install dev-dependencies along with packages.

Note that dev-dependencies are also installed if the npat flag is set.

editor

Default: EDITOR environment variable if set, or "vi" on Posix, or "notepad" on Windows.
Type: path

The command to run for npm edit or npm config edit.

engine-strict

Default: false
Type: Boolean

If set to true, then npm will stubbornly refuse to install (or even consider installing) any package that claims to not be compatible with the current Node.js version.

force

Default: false
Type: Boolean

Makes various commands more forceful.

lifecycle script failure does not block progress.
publishing clobbers previously published versions.
skips cache when requesting from the registry.
prevents checks against clobbering non-npm files.

fetch-retries

Default: 2
Type: Number

The "retries" config for the retry module to use when fetching packages from the registry.

fetch-retry-factor

Default: 10
Type: Number

The "factor" config for the retry module to use when fetching packages.

fetch-retry-mintimeout

Default: 10000 (10 seconds)
Type: Number

The "minTimeout" config for the retry module to use when fetching packages.

fetch-retry-maxtimeout

Default: 60000 (1 minute)
Type: Number

The "maxTimeout" config for the retry module to use when fetching packages.

git

Default: "git"
Type: String

The command to use for git commands. If git is installed on the computer, but is not in the PATH, then set this to the full path to the git binary.

global

Default: false
Type: Boolean

Operates in "global" mode, so that packages are installed into the prefix folder instead of the current working directory. See npm-folders(1) for more on the differences in behavior.

packages are installed into the {prefix}/lib/node_modules folder, instead of the current working directory.
bin files are linked to {prefix}/bin
man pages are linked to {prefix}/share/man

globalconfig

Default: {prefix}/etc/npmrc
Type: path

The config file to read for global config options.

globalignorefile

Default: {prefix}/etc/npmignore
Type: path

The config file to read for global ignore patterns to apply to all users and all projects.

If not found, but there is a "gitignore" file in the same directory, then that will be used instead.

group

Default: GID of the current process
Type: String or Number

The group to use when running package scripts in global mode as the root user.

https-proxy

Default: the HTTPS_PROXY or https_proxy or HTTP_PROXY or http_proxy environment variables.
Type: url

A proxy to use for outgoing https requests.

user-agent

Default: node/{process.version} {process.platform} {process.arch}
Type: String

Sets a User-Agent to the request header

ignore

Default: ""
Type: string

A white-space separated list of glob patterns of files to always exclude from packages when building tarballs.

init-module

Default: ~/.npm-init.js
Type: path

A module that will be loaded by the npm init command. See the documentation for the init-package-json module for more information, or npm-init(1).

init.version

Default: "0.0.0"
Type: semver

The value npm init should use by default for the package version.

init.author.name

Default: ""
Type: String

The value npm init should use by default for the package author's name.

init.author.email

Default: ""
Type: String

The value npm init should use by default for the package author's email.

init.author.url

Default: ""
Type: String

The value npm init should use by default for the package author's homepage.

json

Default: false
Type: Boolean

Whether or not to output JSON data, rather than the normal output.

This feature is currently experimental, and the output data structures for many commands is either not implemented in JSON yet, or subject to change. Only the output from npm ls --json is currently valid.

link

Default: false
Type: Boolean

If true, then local installs will link if there is a suitable globally installed package.

Note that this means that local installs can cause things to be installed into the global space at the same time. The link is only done if one of the two conditions are met:

The package is not already installed globally, or
the globally installed version is identical to the version that is being installed locally.

loglevel

Default: "http"
Type: String
Values: "silent", "win", "error", "warn", "http", "info", "verbose", "silly"

What level of logs to report. On failure, all logs are written to npm-debug.log in the current working directory.

Any logs of a higher level than the setting are shown. The default is "http", which shows http, warn, and error output.

logstream

Default: process.stderr
Type: Stream

This is the stream that is passed to the npmlog module at run time.

It cannot be set from the command line, but if you are using npm programmatically, you may wish to send logs to somewhere other than stderr.

If the color config is set to true, then this stream will receive colored output if it is a TTY.

long

Default: false
Type: Boolean

Show extended information in npm ls

message

Default: "%s"
Type: String

Commit message which is used by npm version when creating version commit.

Any "%s" in the message will be replaced with the version number.

node-version

Default: process.version
Type: semver or false

The node version to use when checking package's "engines" hash.

npat

Default: false
Type: Boolean

Run tests on installation and report results to the npaturl.

npaturl

Default: Not yet implemented
Type: url

The url to report npat test results.

onload-script

Default: false
Type: path

A node module to require() when npm loads. Useful for programmatic usage.

optional

Default: true
Type: Boolean

Attempt to install packages in the optionalDependencies hash. Note that if these packages fail to install, the overall installation process is not aborted.

parseable

Default: false
Type: Boolean

Output parseable results from commands that write to standard output.

prefix

Default: see npm-folders(1)
Type: path

The location to install global items. If set on the command line, then it forces non-global commands to run in the specified folder.

production

Default: false
Type: Boolean

Set to true to run in "production" mode.

devDependencies are not installed at the topmost level when running local npm install without any arguments.
Set the NODE_ENV="production" for lifecycle scripts.

proprietary-attribs

Default: true
Type: Boolean

Whether or not to include proprietary extended attributes in the tarballs created by npm.

Unless you are expecting to unpack package tarballs with something other than npm -- particularly a very outdated tar implementation -- leave this as true.

proxy

Default: HTTP_PROXY or http_proxy environment variable, or null
Type: url

A proxy to use for outgoing http requests.

rebuild-bundle

Default: true
Type: Boolean

Rebuild bundled dependencies after installation.

registry

Default: https://registry.npmjs.org/
Type: url

The base URL of the npm package registry.

rollback

Default: true
Type: Boolean

Remove failed installs.

save

Default: false
Type: Boolean

Save installed packages to a package.json file as dependencies.

When used with the npm rm command, it removes it from the dependencies hash.

Only works if there is already a package.json file present.

save-bundle

Default: false
Type: Boolean

If a package would be saved at install time by the use of --save, --save-dev, or --save-optional, then also put it in the bundleDependencies list.

When used with the npm rm command, it removes it from the bundledDependencies list.

save-dev

Default: false
Type: Boolean

Save installed packages to a package.json file as devDependencies.

When used with the npm rm command, it removes it from the devDependencies hash.

Only works if there is already a package.json file present.

save-optional

Default: false
Type: Boolean

Save installed packages to a package.json file as optionalDependencies.

When used with the npm rm command, it removes it from the devDependencies hash.

Only works if there is already a package.json file present.

searchopts

Default: ""
Type: String

Space-separated options that are always passed to search.

searchexclude

Default: ""
Type: String

Space-separated options that limit the results from search.

searchsort

Default: "name"
Type: String
Values: "name", "-name", "date", "-date", "description", "-description", "keywords", "-keywords"

Indication of which field to sort search results by. Prefix with a - character to indicate reverse sort.

shell

Default: SHELL environment variable, or "bash" on Posix, or "cmd" on Windows
Type: path

The shell to run for the npm explore command.

sign-git-tag

Default: false
Type: Boolean

If set to true, then the npm version command will tag the version using -s to add a signature.

Note that git requires you to have set up GPG keys in your git configs for this to work properly.

strict-ssl

Default: true
Type: Boolean

Whether or not to do SSL key validation when making requests to the registry via https.

tmp

Default: TMPDIR environment variable, or "/tmp"
Type: path

Where to store temporary files and folders. All temp files are deleted on success, but left behind on failure for forensic purposes.

unicode

Default: true
Type: Boolean

When set to true, npm uses unicode characters in the tree output. When false, it uses ascii characters to draw trees.

unsafe-perm

Default: false if running as root, true otherwise
Type: Boolean

Set to true to suppress the UID/GID switching when running package scripts. If set explicitly to false, then installing as a non-root user will fail.

usage

Default: false
Type: Boolean

Set to show short usage output (like the -H output) instead of complete help when doing npm-help(1).

user

Default: "nobody"
Type: String or Number

The UID to set to when running package scripts as root.

username

Default: null
Type: String

The username on the npm registry. Set with npm adduser

userconfig

Default: ~/.npmrc
Type: path

The location of user-level configuration settings.

userignorefile

Default: ~/.npmignore
Type: path

The location of a user-level ignore file to apply to all packages.

If not found, but there is a .gitignore file in the same directory, then that will be used instead.

umask

Default: 022
Type: Octal numeric string

The "umask" value to use when setting the file creation mode on files and folders.

Folders and executables are given a mode which is 0777 masked against this value. Other files are given a mode which is 0666 masked against this value. Thus, the defaults are 0755 and 0644 respectively.

version

Default: false
Type: boolean

If true, output the npm version and exit successfully.

Only relevant when specified explicitly on the command line.

versions

Default: false
Type: boolean

If true, output the npm version as well as node's process.versions hash, and exit successfully.

Only relevant when specified explicitly on the command line.

viewer

Default: "man" on Posix, "browser" on Windows
Type: path

The program to use to view help content.

Set to "browser" to view html help content in the default web browser.

yes

Default: null
Type: Boolean or null

If set to null, then prompt the user for responses in some circumstances.

If set to true, then answer "yes" to any prompt. If set to false then answer "no" to any prompt.

19 KiB Raw Blame History

npm-config(1) -- Manage the npm configuration file

SYNOPSIS

DESCRIPTION

Command Line Flags

Environment Variables

Per-user config file

Global config file

Built-in config file

Default Configs

Sub-commands

set

get

list

delete

edit

Shorthands and Other CLI Niceties

Per-Package Config Settings

Config Settings

always-auth

bin-links

browser

ca

cache

cache-lock-stale

cache-lock-retries

cache-lock-wait

cache-max

cache-min

color

coverage

depth

description

dev

editor

engine-strict

force

fetch-retries

fetch-retry-factor

fetch-retry-mintimeout

fetch-retry-maxtimeout

git

global

globalconfig

globalignorefile

group

https-proxy

user-agent

ignore

init-module

init.version

init.author.name

init.author.email

init.author.url

json

link

loglevel

logstream

long

message

node-version

npat

npaturl

onload-script

optional

parseable

prefix

production

proprietary-attribs

proxy

rebuild-bundle

registry

rollback

save

save-bundle

save-dev

save-optional

searchopts

searchexclude

searchsort

19 KiB

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