130 lines
4.3 KiB
Groff
130 lines
4.3 KiB
Groff
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.TH "NPMRC" "5" "February 2023" "" ""
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.SH "NAME"
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\fBnpmrc\fR - The npm config files
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.SS "Description"
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.P
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npm gets its config settings from the command line, environment variables, and \fBnpmrc\fR files.
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.P
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The \fBnpm config\fR command can be used to update and edit the contents of the user and global npmrc files.
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.P
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For a list of available configuration options, see npm help config.
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.SS "Files"
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.P
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The four relevant files are:
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.RS 0
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.IP \(bu 4
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per-project config file (/path/to/my/project/.npmrc)
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.IP \(bu 4
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per-user config file (~/.npmrc)
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.IP \(bu 4
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global config file ($PREFIX/etc/npmrc)
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.IP \(bu 4
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npm builtin config file (/path/to/npm/npmrc)
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.RE 0
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.P
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All npm config files are an ini-formatted list of \fBkey = value\fR parameters. Environment variables can be replaced using \fB${VARIABLE_NAME}\fR. For example:
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.P
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.RS 2
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.nf
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prefix = ${HOME}/.npm-packages
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.fi
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.RE
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.P
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Each of these files is loaded, and config options are resolved in priority order. For example, a setting in the userconfig file would override the setting in the globalconfig file.
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.P
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Array values are specified by adding "\[lB]\[rB]" after the key name. For example:
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.P
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.RS 2
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.nf
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key\[lB]\[rB] = "first value"
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key\[lB]\[rB] = "second value"
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.fi
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.RE
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.SS "Comments"
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.P
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Lines in \fB.npmrc\fR files are interpreted as comments when they begin with a \fB;\fR or \fB#\fR character. \fB.npmrc\fR files are parsed by \fBnpm/ini\fR \fI\(lahttps://github.com/npm/ini\(ra\fR, which specifies this comment syntax.
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.P
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For example:
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.P
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.RS 2
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.nf
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# last modified: 01 Jan 2016
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; Set a new registry for a scoped package
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@myscope:registry=https://mycustomregistry.example.org
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.fi
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.RE
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.SS "Per-project config file"
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.P
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When working locally in a project, a \fB.npmrc\fR file in the root of the project (ie, a sibling of \fBnode_modules\fR and \fBpackage.json\fR) will set config values specific to this project.
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.P
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Note that this only applies to the root of the project that you're running npm in. It has no effect when your module is published. For example, you can't publish a module that forces itself to install globally, or in a different location.
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.P
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Additionally, this file is not read in global mode, such as when running \fBnpm install -g\fR.
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.SS "Per-user config file"
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.P
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\fB$HOME/.npmrc\fR (or the \fBuserconfig\fR param, if set in the environment or on the command line)
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.SS "Global config file"
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.P
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\fB$PREFIX/etc/npmrc\fR (or the \fBglobalconfig\fR param, if set above): This file is an ini-file formatted list of \fBkey = value\fR parameters. Environment variables can be replaced as above.
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.SS "Built-in config file"
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.P
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\fBpath/to/npm/itself/npmrc\fR
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.P
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This is an unchangeable "builtin" configuration file that npm keeps consistent across updates. Set fields in here using the \fB./configure\fR script that comes with npm. This is primarily for distribution maintainers to override default configs in a standard and consistent manner.
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.SS "Auth related configuration"
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.P
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The settings \fB_auth\fR, \fB_authToken\fR, \fBusername\fR and \fB_password\fR must all be scoped to a specific registry. This ensures that \fBnpm\fR will never send credentials to the wrong host.
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.P
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The full list is:
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.RS 0
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.IP \(bu 4
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\fB_auth\fR (base64 authentication string)
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.IP \(bu 4
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\fB_authToken\fR (authentication token)
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.IP \(bu 4
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\fBusername\fR
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.IP \(bu 4
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\fB_password\fR
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.IP \(bu 4
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\fBemail\fR
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.IP \(bu 4
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\fBcertfile\fR (path to certificate file)
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.IP \(bu 4
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\fBkeyfile\fR (path to key file)
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.RE 0
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.P
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In order to scope these values, they must be prefixed by a URI fragment. If the credential is meant for any request to a registry on a single host, the scope may look like \fB//registry.npmjs.org/:\fR. If it must be scoped to a specific path on the host that path may also be provided, such as \fB//my-custom-registry.org/unique/path:\fR.
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.P
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.RS 2
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.nf
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; bad config
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_authToken=MYTOKEN
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; good config
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@myorg:registry=https://somewhere-else.com/myorg
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@another:registry=https://somewhere-else.com/another
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//registry.npmjs.org/:_authToken=MYTOKEN
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; would apply to both @myorg and @another
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; //somewhere-else.com/:_authToken=MYTOKEN
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; would apply only to @myorg
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//somewhere-else.com/myorg/:_authToken=MYTOKEN1
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; would apply only to @another
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//somewhere-else.com/another/:_authToken=MYTOKEN2
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.fi
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.RE
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.SS "See also"
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.RS 0
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.IP \(bu 4
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npm help folders
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.IP \(bu 4
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npm help config
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.IP \(bu 4
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npm help config
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.IP \(bu 4
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\fBpackage.json\fR \fI\(la/configuring-npm/package-json\(ra\fR
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.IP \(bu 4
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npm help npm
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.RE 0
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