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name : config.md --- title: config section: 7 description: More than you probably want to know about npm configuration --- ### Description npm gets its configuration values from the following sources, sorted by 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. Using `--flag` without specifying any value will set the value to `true`. Example: `--flag1 --flag2` will set both configuration parameters to `true`, while `--flag1 --flag2 bar` will set `flag1` to `true`, and `flag2` to `bar`. Finally, `--flag1 --flag2 -- bar` will set both configuration parameters to `true`, and the `bar` is taken as a command argument. #### 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. However, please note that inside [`scripts`](/using-npm/scripts) npm will set its own environment variables and Node will prefer those lowercase versions over any uppercase ones that you might set. For details see [this issue](https://github.com/npm/npm/issues/14528). Notice that you need to use underscores instead of dashes, so `--allow-same-version` would become `npm_config_allow_same_version=true`. #### npmrc Files The four relevant files are: * per-project configuration file (`/path/to/my/project/.npmrc`) * per-user configuration file (defaults to `$HOME/.npmrc`; configurable via CLI option `--userconfig` or environment variable `$NPM_CONFIG_USERCONFIG`) * global configuration file (defaults to `$PREFIX/etc/npmrc`; configurable via CLI option `--globalconfig` or environment variable `$NPM_CONFIG_GLOBALCONFIG`) * npm's built-in configuration file (`/path/to/npm/npmrc`) See [npmrc](/configuring-npm/npmrc) for more details. #### Default Configs Run `npm config ls -l` to see a set of configuration parameters that are internal to npm, and are defaults if nothing else is specified. ### Shorthands and Other CLI Niceties The following shorthands are parsed on the command-line: <!-- AUTOGENERATED CONFIG SHORTHANDS START --> <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> * `-a`: `--all` * `--enjoy-by`: `--before` * `-c`: `--call` * `--desc`: `--description` * `-f`: `--force` * `-g`: `--global` * `-L`: `--location` * `-d`: `--loglevel info` * `-s`: `--loglevel silent` * `--silent`: `--loglevel silent` * `--ddd`: `--loglevel silly` * `--dd`: `--loglevel verbose` * `--verbose`: `--loglevel verbose` * `-q`: `--loglevel warn` * `--quiet`: `--loglevel warn` * `-l`: `--long` * `-m`: `--message` * `--local`: `--no-global` * `-n`: `--no-yes` * `--no`: `--no-yes` * `-p`: `--parseable` * `--porcelain`: `--parseable` * `-C`: `--prefix` * `--readonly`: `--read-only` * `--reg`: `--registry` * `-S`: `--save` * `-B`: `--save-bundle` * `-D`: `--save-dev` * `-E`: `--save-exact` * `-O`: `--save-optional` * `-P`: `--save-prod` * `-?`: `--usage` * `-h`: `--usage` * `-H`: `--usage` * `--help`: `--usage` * `-v`: `--version` * `-w`: `--workspace` * `--ws`: `--workspaces` * `-y`: `--yes` <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> <!-- AUTOGENERATED CONFIG SHORTHANDS END --> If the specified configuration param resolves unambiguously to a known configuration parameter, then it is expanded to that configuration parameter. For example: ```bash 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: ```bash npm ls -gpld # same as: npm ls --global --parseable --long --loglevel info ``` ### Config Settings <!-- AUTOGENERATED CONFIG DESCRIPTIONS START --> <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `_auth` * Default: null * Type: null or String A basic-auth string to use when authenticating against the npm registry. Warning: This should generally not be set via a command-line option. It is safer to use a registry-provided authentication bearer token stored in the ~/.npmrc file by running `npm login`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `access` * Default: 'restricted' for scoped packages, 'public' for unscoped packages * Type: null, "restricted", or "public" When publishing scoped packages, the access level defaults to `restricted`. If you want your scoped package to be publicly viewable (and installable) set `--access=public`. The only valid values for `access` are `public` and `restricted`. Unscoped packages _always_ have an access level of `public`. Note: Using the `--access` flag on the `npm publish` command will only set the package access level on the initial publish of the package. Any subsequent `npm publish` commands using the `--access` flag will not have an effect to the access level. To make changes to the access level after the initial publish use `npm access`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `all` * Default: false * Type: Boolean When running `npm outdated` and `npm ls`, setting `--all` will show all outdated or installed packages, rather than only those directly depended upon by the current project. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `allow-same-version` * Default: false * Type: Boolean Prevents throwing an error when `npm version` is used to set the new version to the same value as the current version. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `audit` * Default: true * Type: Boolean When "true" submit audit reports alongside the current npm command to the default registry and all registries configured for scopes. See the documentation for [`npm audit`](/commands/npm-audit) for details on what is submitted. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `audit-level` * Default: null * Type: null, "info", "low", "moderate", "high", "critical", or "none" The minimum level of vulnerability for `npm audit` to exit with a non-zero exit code. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `before` * Default: null * Type: null or Date If passed to `npm install`, will rebuild the npm tree such that only versions that were available **on or before** the `--before` time get installed. If there's no versions available for the current set of direct dependencies, the command will error. If the requested version is a `dist-tag` and the given tag does not pass the `--before` filter, the most recent version less than or equal to that tag will be used. For example, `foo@latest` might install `foo@1.2` even though `latest` is `2.0`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `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. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `browser` * Default: OS X: `"open"`, Windows: `"start"`, Others: `"xdg-open"` * Type: null, Boolean, or String The browser that is called by npm commands to open websites. Set to `false` to suppress browser behavior and instead print urls to terminal. Set to `true` to use default system URL opener. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `ca` * Default: null * Type: null or String (can be set multiple times) The Certificate Authority signing certificate that is trusted for SSL connections to the registry. Values should be in PEM format (Windows calls it "Base-64 encoded X.509 (.CER)") with newlines replaced by the string "\n". For example: ```ini ca="-----BEGIN CERTIFICATE-----\nXXXX\nXXXX\n-----END CERTIFICATE-----" ``` Set to `null` to only allow "known" registrars, or to a specific CA cert to trust only that specific signing authority. Multiple CAs can be trusted by specifying an array of certificates: ```ini ca[]="..." ca[]="..." ``` See also the `strict-ssl` config. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `cache` * Default: Windows: `%LocalAppData%\npm-cache`, Posix: `~/.npm` * Type: Path The location of npm's cache directory. See [`npm cache`](/commands/npm-cache) <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `cafile` * Default: null * Type: Path A path to a file containing one or multiple Certificate Authority signing certificates. Similar to the `ca` setting, but allows for multiple CA's, as well as for the CA information to be stored in a file on disk. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `call` * Default: "" * Type: String Optional companion option for `npm exec`, `npx` that allows for specifying a custom command to be run along with the installed packages. ```bash npm exec --package yo --package generator-node --call "yo node" ``` <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `cert` * Default: null * Type: null or String A client certificate to pass when accessing the registry. Values should be in PEM format (Windows calls it "Base-64 encoded X.509 (.CER)") with newlines replaced by the string "\n". For example: ```ini cert="-----BEGIN CERTIFICATE-----\nXXXX\nXXXX\n-----END CERTIFICATE-----" ``` It is _not_ the path to a certificate file (and there is no "certfile" option). <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `ci-name` * Default: The name of the current CI system, or `null` when not on a known CI platform. * Type: null or String The name of a continuous integration system. If not set explicitly, npm will detect the current CI environment using the [`@npmcli/ci-detect`](http://npm.im/@npmcli/ci-detect) module. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `cidr` * Default: null * Type: null or String (can be set multiple times) This is a list of CIDR address to be used when configuring limited access tokens with the `npm token create` command. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `color` * Default: true unless the NO_COLOR environ is set to something other than '0' * Type: "always" or Boolean If false, never shows colors. If `"always"` then always shows colors. If true, then only prints color codes for tty file descriptors. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `commit-hooks` * Default: true * Type: Boolean Run git commit hooks when using the `npm version` command. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `depth` * Default: `Infinity` if `--all` is set, otherwise `1` * Type: null or Number The depth to go when recursing packages for `npm ls`. If not set, `npm ls` will show only the immediate dependencies of the root project. If `--all` is set, then npm will show all dependencies by default. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `description` * Default: true * Type: Boolean Show the description in `npm search` <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `diff` * Default: * Type: String (can be set multiple times) Define arguments to compare in `npm diff`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `diff-dst-prefix` * Default: "b/" * Type: String Destination prefix to be used in `npm diff` output. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `diff-ignore-all-space` * Default: false * Type: Boolean Ignore whitespace when comparing lines in `npm diff`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `diff-name-only` * Default: false * Type: Boolean Prints only filenames when using `npm diff`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `diff-no-prefix` * Default: false * Type: Boolean Do not show any source or destination prefix in `npm diff` output. Note: this causes `npm diff` to ignore the `--diff-src-prefix` and `--diff-dst-prefix` configs. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `diff-src-prefix` * Default: "a/" * Type: String Source prefix to be used in `npm diff` output. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `diff-text` * Default: false * Type: Boolean Treat all files as text in `npm diff`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `diff-unified` * Default: 3 * Type: Number The number of lines of context to print in `npm diff`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `dry-run` * Default: false * 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. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `editor` * Default: The EDITOR or VISUAL environment variables, or 'notepad.exe' on Windows, or 'vim' on Unix systems * Type: String The command to run for `npm edit` and `npm config edit`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `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. This can be overridden by setting the `--force` flag. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `fetch-retries` * Default: 2 * Type: Number The "retries" config for the `retry` module to use when fetching packages from the registry. npm will retry idempotent read requests to the registry in the case of network failures or 5xx HTTP errors. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `fetch-retry-factor` * Default: 10 * Type: Number The "factor" config for the `retry` module to use when fetching packages. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `fetch-retry-maxtimeout` * Default: 60000 (1 minute) * Type: Number The "maxTimeout" config for the `retry` module to use when fetching packages. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `fetch-retry-mintimeout` * Default: 10000 (10 seconds) * Type: Number The "minTimeout" config for the `retry` module to use when fetching packages. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `fetch-timeout` * Default: 300000 (5 minutes) * Type: Number The maximum amount of time to wait for HTTP requests to complete. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `force` * Default: false * Type: Boolean Removes various protections against unfortunate side effects, common mistakes, unnecessary performance degradation, and malicious input. * Allow clobbering non-npm files in global installs. * Allow the `npm version` command to work on an unclean git repository. * Allow deleting the cache folder with `npm cache clean`. * Allow installing packages that have an `engines` declaration requiring a different version of npm. * Allow installing packages that have an `engines` declaration requiring a different version of `node`, even if `--engine-strict` is enabled. * Allow `npm audit fix` to install modules outside your stated dependency range (including SemVer-major changes). * Allow unpublishing all versions of a published package. * Allow conflicting peerDependencies to be installed in the root project. * Implicitly set `--yes` during `npm init`. * Allow clobbering existing values in `npm pkg` If you don't have a clear idea of what you want to do, it is strongly recommended that you do not use this option! <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `foreground-scripts` * Default: false * Type: Boolean Run all build scripts (ie, `preinstall`, `install`, and `postinstall`) scripts for installed packages in the foreground process, sharing standard 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. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `format-package-lock` * Default: true * Type: Boolean Format `package-lock.json` or `npm-shrinkwrap.json` as a human readable file. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `fund` * Default: true * Type: Boolean When "true" displays the message at the end of each `npm install` acknowledging the number of dependencies looking for funding. See [`npm fund`](/commands/npm-fund) for details. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `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. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `git-tag-version` * Default: true * Type: Boolean Tag the commit when using the `npm version` command. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `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 [folders](/configuring-npm/folders) 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` <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `global-style` * Default: false * Type: Boolean Causes npm to install the package into your local `node_modules` folder with the same layout it uses with the global `node_modules` folder. Only your direct dependencies will show in `node_modules` and everything they depend on will be flattened in their `node_modules` folders. This obviously will eliminate some deduping. If used with `legacy-bundling`, `legacy-bundling` will be preferred. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `globalconfig` * Default: The global --prefix setting plus 'etc/npmrc'. For example, '/usr/local/etc/npmrc' * Type: Path The config file to read for global config options. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `heading` * Default: "npm" * Type: String The string that starts all the debugging log output. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `https-proxy` * Default: null * Type: null or URL A proxy to use for outgoing https requests. If the `HTTPS_PROXY` or `https_proxy` or `HTTP_PROXY` or `http_proxy` environment variables are set, proxy settings will be honored by the underlying `make-fetch-happen` library. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `if-present` * Default: false * Type: Boolean If true, npm will not exit with an error code when `run-script` is invoked for a script that isn't defined in the `scripts` section of `package.json`. This option can be used when it's desirable to optionally run a script when it's present and fail if the script fails. This is useful, for example, when running scripts that may only apply for some builds in an otherwise generic CI setup. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `ignore-scripts` * Default: false * 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. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `include` * Default: * 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. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `include-staged` * Default: false * Type: Boolean Allow installing "staged" published packages, as defined by [npm RFC PR #92](https://github.com/npm/rfcs/pull/92). This is experimental, and not implemented by the npm public registry. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `include-workspace-root` * Default: false * 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. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `init-author-email` * Default: "" * Type: String The value `npm init` should use by default for the package author's email. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `init-author-name` * Default: "" * Type: String The value `npm init` should use by default for the package author's name. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `init-author-url` * Default: "" * Type: "" or URL The value `npm init` should use by default for the package author's homepage. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `init-license` * Default: "ISC" * Type: String The value `npm init` should use by default for the package license. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `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](https://github.com/npm/init-package-json) module for more information, or [npm init](/commands/npm-init). <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `init-version` * Default: "1.0.0" * Type: SemVer string The value that `npm init` should use by default for the package version number, if not already set in package.json. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `json` * Default: false * Type: Boolean Whether or not to output JSON data, rather than the normal output. * 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. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `key` * Default: null * Type: null or String A client key to pass when accessing the registry. Values should be in PEM format with newlines replaced by the string "\n". For example: ```ini key="-----BEGIN PRIVATE KEY-----\nXXXX\nXXXX\n-----END PRIVATE KEY-----" ``` It is _not_ the path to a key file (and there is no "keyfile" option). <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `legacy-bundling` * Default: false * Type: Boolean Causes npm to install the package such that versions of npm prior to 1.4, such as the one included with node 0.8, can install the package. This eliminates all automatic deduping. If used with `global-style` this option will be preferred. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `legacy-peer-deps` * Default: false * Type: Boolean Causes npm to completely ignore `peerDependencies` when building a package tree, as in npm versions 3 through 6. If a package cannot be installed because of overly strict `peerDependencies` that collide, it provides a way to move forward resolving the situation. This differs from `--omit=peer`, in that `--omit=peer` will avoid unpacking `peerDependencies` on disk, but will still design a tree such that `peerDependencies` _could_ be unpacked in a correct place. Use of `legacy-peer-deps` is not recommended, as it will not enforce the `peerDependencies` contract that meta-dependencies may rely on. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `link` * Default: false * Type: Boolean Used with `npm ls`, limiting output to only those packages that are linked. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `local-address` * Default: null * Type: IP Address The IP address of the local interface to use when making connections to the npm registry. Must be IPv4 in versions of Node prior to 0.12. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `location` * Default: "user" unless `--global` is passed, which will also set this value to "global" * Type: "global", "user", or "project" When passed to `npm config` this refers to which config file to use. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `lockfile-version` * Default: Version 2 if no lockfile or current lockfile version less than or equal to 2, otherwise maintain current lockfile version * Type: null, 1, 2, 3, "1", "2", or "3" Set the lockfile format version to be used in package-lock.json and npm-shrinkwrap-json files. Possible options are: 1: The lockfile version used by npm versions 5 and 6. Lacks some data that is used during the install, resulting in slower and possibly less deterministic installs. Prevents lockfile churn when interoperating with older npm versions. 2: The default lockfile version used by npm version 7. Includes both the version 1 lockfile data and version 3 lockfile data, for maximum determinism and interoperability, at the expense of more bytes on disk. 3: Only the new lockfile information introduced in npm version 7. Smaller on disk than lockfile version 2, but not interoperable with older npm versions. Ideal if all users are on npm version 7 and higher. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `loglevel` * Default: "notice" * Type: "silent", "error", "warn", "notice", "http", "timing", "info", "verbose", or "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 "notice". See also the `foreground-scripts` config. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `logs-max` * Default: 10 * Type: Number The maximum number of log files to store. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `long` * Default: false * Type: Boolean Show extended information in `ls`, `search`, and `help-search`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `maxsockets` * Default: 15 * Type: Number The maximum number of connections to use per origin (protocol/host/port combination). <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `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. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `node-options` * Default: null * Type: null or String Options to pass through to Node.js via the `NODE_OPTIONS` environment variable. This does not impact how npm itself is executed but it does impact how lifecycle scripts are called. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `node-version` * Default: Node.js `process.version` value * Type: SemVer string The node version to use when checking a package's `engines` setting. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `noproxy` * Default: The value of the NO_PROXY environment variable * Type: String (can be set multiple times) Domain extensions that should bypass any proxies. Also accepts a comma-delimited string. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `npm-version` * Default: Output of `npm --version` * Type: SemVer string The npm version to use when checking a package's `engines` setting. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `offline` * Default: false * Type: Boolean Force offline mode: no network requests will be done during install. To allow the CLI to fill in missing cache data, see `--prefer-offline`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `omit` * Default: 'dev' if the `NODE_ENV` environment variable is set to 'production', otherwise empty. * 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 `package-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` environment variable will be set to `'production'` for all lifecycle scripts. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `otp` * Default: null * Type: null or String This is a one-time password from a two-factor authenticator. It's needed when publishing or changing package permissions with `npm access`. If not set, and a registry response fails with a challenge for a one-time password, npm will prompt on the command line for one. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `pack-destination` * Default: "." * Type: String Directory in which `npm pack` will save tarballs. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `package` * Default: * Type: String (can be set multiple times) The package to install for [`npm exec`](/commands/npm-exec) <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `package-lock` * Default: true * Type: Boolean If set to false, then ignore `package-lock.json` files when installing. This will also prevent _writing_ `package-lock.json` if `save` is true. When package package-locks are disabled, automatic pruning of extraneous modules will also be disabled. To remove extraneous modules with package-locks disabled use `npm prune`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `package-lock-only` * Default: false * Type: Boolean If set to true, the current operation will only use the `package-lock.json`, ignoring `node_modules`. For `update` this means only the `package-lock.json` will be updated, instead of checking `node_modules` and downloading dependencies. For `list` this means the output will be based on the tree described by the `package-lock.json`, rather than the contents of `node_modules`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `parseable` * Default: false * Type: Boolean Output parseable results from commands that write to standard output. For `npm search`, this will be tab-separated table format. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `prefer-offline` * Default: false * Type: Boolean If true, staleness checks for cached data will be bypassed, but missing data will be requested from the server. To force full offline mode, use `--offline`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `prefer-online` * Default: false * Type: Boolean If true, staleness checks for cached data will be forced, making the CLI look for updates immediately even for fresh package data. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `prefix` * Default: In global mode, the folder where the node executable is installed. In local mode, the nearest parent folder containing either a package.json file or a node_modules folder. * 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. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `preid` * Default: "" * Type: String The "prerelease identifier" to use as a prefix for the "prerelease" part of a semver. Like the `rc` in `1.2.0-rc.8`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `progress` * Default: `true` unless running in a known CI system * Type: Boolean When set to `true`, npm will display a progress bar during time intensive operations, if `process.stderr` is a TTY. Set to `false` to suppress the progress bar. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `proxy` * Default: null * Type: null, false, or URL A proxy to use for outgoing http requests. If the `HTTP_PROXY` or `http_proxy` environment variables are set, proxy settings will be honored by the underlying `request` library. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `read-only` * Default: false * Type: Boolean This is used to mark a token as unable to publish when configuring limited access tokens with the `npm token create` command. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `rebuild-bundle` * Default: true * Type: Boolean Rebuild bundled dependencies after installation. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `registry` * Default: "https://registry.npmjs.org/" * Type: URL The base URL of the npm registry. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `save` * Default: true * Type: Boolean Save installed packages to a package.json file as dependencies. When used with the `npm rm` command, removes the dependency from package.json. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `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. Ignore if `--save-peer` is set, since peerDependencies cannot be bundled. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `save-dev` * Default: false * Type: Boolean Save installed packages to a package.json file as `devDependencies`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `save-exact` * Default: false * Type: Boolean Dependencies saved to package.json will be configured with an exact version rather than using npm's default semver range operator. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `save-optional` * Default: false * Type: Boolean Save installed packages to a package.json file as `optionalDependencies`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `save-peer` * Default: false * Type: Boolean Save installed packages. to a package.json file as `peerDependencies` <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `save-prefix` * Default: "^" * Type: String Configure how versions of packages installed to a package.json file via `--save` or `--save-dev` get prefixed. For example if a package has version `1.2.3`, by default its version is set to `^1.2.3` which allows minor upgrades for that package, but after `npm config set save-prefix='~'` it would be set to `~1.2.3` which only allows patch upgrades. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `save-prod` * Default: false * Type: Boolean Save installed packages into `dependencies` specifically. This is useful if a package already exists in `devDependencies` or `optionalDependencies`, but you want to move it to be a non-optional production dependency. This is the default behavior if `--save` is true, and neither `--save-dev` or `--save-optional` are true. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `scope` * Default: the scope of the current project, if any, or "" * Type: String Associate an operation with a scope for a scoped registry. Useful when logging in to or out of a private registry: ``` # log in, linking the scope to the custom registry npm login --scope=@mycorp --registry=https://registry.mycorp.com # log out, removing the link and the auth token npm logout --scope=@mycorp ``` This will cause `@mycorp` to be mapped to the registry for future installation of packages specified according to the pattern `@mycorp/package`. This will also cause `npm init` to create a scoped package. ``` # accept all defaults, and create a package named "@foo/whatever", # instead of just named "whatever" npm init --scope=@foo --yes ``` <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `script-shell` * Default: '/bin/sh' on POSIX systems, 'cmd.exe' on Windows * Type: null or String The shell to use for scripts run with the `npm exec`, `npm run` and `npm init <pkg>` commands. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `searchexclude` * Default: "" * Type: String Space-separated options that limit the results from search. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `searchlimit` * Default: 20 * Type: Number Number of items to limit search results to. Will not apply at all to legacy searches. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `searchopts` * Default: "" * Type: String Space-separated options that are always passed to search. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `searchstaleness` * Default: 900 * Type: Number The age of the cache, in seconds, before another registry request is made if using legacy search endpoint. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `shell` * Default: SHELL environment variable, or "bash" on Posix, or "cmd.exe" on Windows * Type: String The shell to run for the `npm explore` command. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `sign-git-commit` * Default: false * Type: Boolean If set to true, then the `npm version` command will commit the new package 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. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `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. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `strict-peer-deps` * Default: false * Type: Boolean If set to `true`, and `--legacy-peer-deps` is not set, then _any_ conflicting `peerDependencies` will be treated as an install failure, even if npm could reasonably guess the appropriate resolution based on non-peer dependency relationships. By default, conflicting `peerDependencies` deep in the dependency graph will be resolved using the nearest non-peer dependency specification, even if doing so will result in some packages receiving a peer dependency outside the range set in their package's `peerDependencies` object. When such and override is performed, a warning is printed, explaining the conflict and the packages involved. If `--strict-peer-deps` is set, then this warning is treated as a failure. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `strict-ssl` * Default: true * Type: Boolean Whether or not to do SSL key validation when making requests to the registry via https. See also the `ca` config. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `tag` * Default: "latest" * Type: String If you ask npm to install a package and don't tell it a specific version, then it will install the specified tag. Also the tag that is added to the package@version specified by the `npm tag` command, if no explicit tag is given. When used by the `npm diff` command, this is the tag used to fetch the tarball that will be compared with the local files by default. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `tag-version-prefix` * Default: "v" * Type: String If set, alters the prefix used when tagging a new version when performing a version increment using `npm-version`. To remove the prefix altogether, set it to the empty string: `""`. Because other tools may rely on the convention that npm version tags look like `v1.0.0`, _only use this property if it is absolutely necessary_. In particular, use care when overriding this setting for public packages. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `timing` * Default: false * Type: Boolean If true, writes an `npm-debug` log to `_logs` and timing information to `_timing.json`, both in your cache, even if the command completes successfully. `_timing.json` is a newline delimited list of JSON objects. You can quickly view it with this [json](https://npm.im/json) command line: `npm exec -- json -g < ~/.npm/_timing.json`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `umask` * Default: 0 * Type: Octal numeric string in range 0000..0777 (0..511) The "umask" value to use when setting the file creation mode on files and folders. Folders and executables are given a mode which is `0o777` masked against this value. Other files are given a mode which is `0o666` masked against this value. Note that the underlying system will _also_ apply its own umask value to files and folders that are created, and npm does not circumvent this, but rather adds the `--umask` config to it. Thus, the effective default umask value on most POSIX systems is 0o22, meaning that folders and executables are created with a mode of 0o755 and other files are created with a mode of 0o644. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `unicode` * Default: false on windows, true on mac/unix systems with a unicode locale, as defined by the `LC_ALL`, `LC_CTYPE`, or `LANG` environment variables. * Type: Boolean When set to true, npm uses unicode characters in the tree output. When false, it uses ascii characters instead of unicode glyphs. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `update-notifier` * Default: true * Type: Boolean Set to false to suppress the update notification when using an older version of npm than the latest. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `usage` * Default: false * Type: Boolean Show short usage output about the command specified. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `user-agent` * Default: "npm/{npm-version} node/{node-version} {platform} {arch} workspaces/{workspaces} {ci}" * Type: String Sets the User-Agent request header. The following fields are replaced with their actual counterparts: * `{npm-version}` - The npm version in use * `{node-version}` - The Node.js version in use * `{platform}` - The value of `process.platform` * `{arch}` - The value of `process.arch` * `{workspaces}` - Set to `true` if the `workspaces` or `workspace` options are set. * `{ci}` - The value of the `ci-name` config, if set, prefixed with `ci/`, or an empty string if `ci-name` is empty. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `userconfig` * Default: "~/.npmrc" * Type: Path The location of user-level configuration settings. This may be overridden by the `npm_config_userconfig` environment variable or the `--userconfig` command line option, but may _not_ be overridden by settings in the `globalconfig` file. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `version` * Default: false * Type: Boolean If true, output the npm version and exit successfully. Only relevant when specified explicitly on the command line. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `versions` * Default: false * Type: Boolean If true, output the npm version as well as node's `process.versions` map and the version in the current working directory's `package.json` file if one exists, and exit successfully. Only relevant when specified explicitly on the command line. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `viewer` * Default: "man" on Posix, "browser" on Windows * Type: String The program to use to view help content. Set to `"browser"` to view html help content in the default web browser. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `which` * Default: null * Type: null or Number If there are multiple funding sources, which 1-indexed source URL to open. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `workspace` * Default: * 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: * Workspace names * Path to a workspace directory * 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. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `workspaces` * Default: null * 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: - 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. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `yes` * Default: null * Type: null or Boolean Automatically answer "yes" to any prompts that npm might print on the command line. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `also` * Default: null * Type: null, "dev", or "development" * DEPRECATED: Please use --include=dev instead. When set to `dev` or `development`, this is an alias for `--include=dev`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `auth-type` * Default: "legacy" * Type: "legacy", "sso", "saml", or "oauth" * DEPRECATED: This method of SSO/SAML/OAuth is deprecated and will be removed in a future version of npm in favor of web-based login. What authentication strategy to use with `adduser`/`login`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `cache-max` * Default: Infinity * Type: Number * DEPRECATED: This option has been deprecated in favor of `--prefer-online` `--cache-max=0` is an alias for `--prefer-online` <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `cache-min` * Default: 0 * Type: Number * DEPRECATED: This option has been deprecated in favor of `--prefer-offline`. `--cache-min=9999 (or bigger)` is an alias for `--prefer-offline`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `dev` * Default: false * Type: Boolean * DEPRECATED: Please use --include=dev instead. Alias for `--include=dev`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `init.author.email` * Default: "" * Type: String * DEPRECATED: Use `--init-author-email` instead. Alias for `--init-author-email` <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `init.author.name` * Default: "" * Type: String * DEPRECATED: Use `--init-author-name` instead. Alias for `--init-author-name` <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `init.author.url` * Default: "" * Type: "" or URL * DEPRECATED: Use `--init-author-url` instead. Alias for `--init-author-url` <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `init.license` * Default: "ISC" * Type: String * DEPRECATED: Use `--init-license` instead. Alias for `--init-license` <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `init.module` * Default: "~/.npm-init.js" * Type: Path * DEPRECATED: Use `--init-module` instead. Alias for `--init-module` <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `init.version` * Default: "1.0.0" * Type: SemVer string * DEPRECATED: Use `--init-version` instead. Alias for `--init-version` <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `only` * Default: null * Type: null, "prod", or "production" * DEPRECATED: Use `--omit=dev` to omit dev dependencies from the install. When set to `prod` or `production`, this is an alias for `--omit=dev`. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `optional` * Default: null * Type: null or Boolean * DEPRECATED: Use `--omit=optional` to exclude optional dependencies, or `--include=optional` to include them. Default value does install optional deps unless otherwise omitted. Alias for --include=optional or --omit=optional <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `production` * Default: null * Type: null or Boolean * DEPRECATED: Use `--omit=dev` instead. Alias for `--omit=dev` <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `shrinkwrap` * Default: true * Type: Boolean * DEPRECATED: Use the --package-lock setting instead. Alias for --package-lock <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `sso-poll-frequency` * Default: 500 * Type: Number * DEPRECATED: The --auth-type method of SSO/SAML/OAuth will be removed in a future version of npm in favor of web-based login. When used with SSO-enabled `auth-type`s, configures how regularly the registry should be polled while the user is completing authentication. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `sso-type` * Default: "oauth" * Type: null, "oauth", or "saml" * DEPRECATED: The --auth-type method of SSO/SAML/OAuth will be removed in a future version of npm in favor of web-based login. If `--auth-type=sso`, the type of SSO type to use. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> #### `tmp` * Default: The value returned by the Node.js `os.tmpdir()` method <https://nodejs.org/api/os.html#os_os_tmpdir> * Type: Path * DEPRECATED: This setting is no longer used. npm stores temporary files in a special location in the cache, and they are managed by [`cacache`](http://npm.im/cacache). Historically, the location where temporary files were stored. No longer relevant. <!-- automatically generated, do not edit manually --> <!-- see lib/utils/config/definitions.js --> <!-- AUTOGENERATED CONFIG DESCRIPTIONS END --> ### See also * [npm config](/commands/npm-config) * [npmrc](/configuring-npm/npmrc) * [npm scripts](/using-npm/scripts) * [npm folders](/configuring-npm/folders) * [npm](/commands/npm)