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Current Path : /usr/lib/node_modules/npm/man/man1/
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Current File : //usr/lib/node_modules/npm/man/man1/npm-ci.1
.TH "NPM\-CI" "1" "February 2023" "" ""
.SH "NAME"
\fBnpm-ci\fR \- Clean install a project
.SS Synopsis
.P
.RS 2
.nf
npm ci

aliases: clean\-install, ic, install\-clean, isntall\-clean
.fi
.RE
.SS Description
.P
This command is similar to npm help install, except
it's meant to be used in automated environments such as test platforms,
continuous integration, and deployment \-\- or any situation where you want
to make sure you're doing a clean install of your dependencies\.
.P
The main differences between using \fBnpm install\fP and \fBnpm ci\fP are:
.RS 0
.IP \(bu 2
The project \fBmust\fR have an existing \fBpackage\-lock\.json\fP or
\fBnpm\-shrinkwrap\.json\fP\|\.
.IP \(bu 2
If dependencies in the package lock do not match those in \fBpackage\.json\fP,
\fBnpm ci\fP will exit with an error, instead of updating the package lock\.
.IP \(bu 2
\fBnpm ci\fP can only install entire projects at a time: individual
dependencies cannot be added with this command\.
.IP \(bu 2
If a \fBnode_modules\fP is already present, it will be automatically removed
before \fBnpm ci\fP begins its install\.
.IP \(bu 2
It will never write to \fBpackage\.json\fP or any of the package\-locks:
installs are essentially frozen\.

.RE
.P
NOTE: If you create your \fBpackage\-lock\.json\fP file by running \fBnpm install\fP
with flags that can affect the shape of your dependency tree, such as
\fB\-\-legacy\-peer\-deps\fP or \fB\-\-install\-links\fP, you \fImust\fR provide the same
flags to \fBnpm ci\fP or you are likely to encounter errors\. An easy way to do
this is to run, for example,
\fBnpm config set legacy\-peer\-deps=true \-\-location=project\fP and commit the
\fB\|\.npmrc\fP file to your repo\.
.SS Example
.P
Make sure you have a package\-lock and an up\-to\-date install:
.P
.RS 2
.nf
$ cd \./my/npm/project
$ npm install
added 154 packages in 10s
$ ls | grep package\-lock
.fi
.RE
.P
Run \fBnpm ci\fP in that project
.P
.RS 2
.nf
$ npm ci
added 154 packages in 5s
.fi
.RE
.P
Configure Travis CI to build using \fBnpm ci\fP instead of \fBnpm install\fP:
.P
.RS 2
.nf
# \.travis\.yml
install:
\- npm ci
# keep the npm cache around to speed up installs
cache:
  directories:
  \- "$HOME/\.npm"
.fi
.RE
.SS Configuration
.SS \fBsave\fP
.RS 0
.IP \(bu 2
Default: \fBtrue\fP unless when using \fBnpm update\fP where it defaults to \fBfalse\fP
.IP \(bu 2
Type: Boolean

.RE
.P
Save installed packages to a \fBpackage\.json\fP file as dependencies\.
.P
When used with the \fBnpm rm\fP command, removes the dependency from
\fBpackage\.json\fP\|\.
.P
Will also prevent writing to \fBpackage\-lock\.json\fP if set to \fBfalse\fP\|\.
.SS \fBsave\-exact\fP
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
Dependencies saved to package\.json will be configured with an exact version
rather than using npm's default semver range operator\.
.SS \fBglobal\fP
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
Operates in "global" mode, so that packages are installed into the \fBprefix\fP
folder instead of the current working directory\. See
npm help folders for more on the differences in behavior\.
.RS 0
.IP \(bu 2
packages are installed into the \fB{prefix}/lib/node_modules\fP folder, instead
of the current working directory\.
.IP \(bu 2
bin files are linked to \fB{prefix}/bin\fP
.IP \(bu 2
man pages are linked to \fB{prefix}/share/man\fP

.RE
.SS \fBglobal\-style\fP
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
Causes npm to install the package into your local \fBnode_modules\fP folder with
the same layout it uses with the global \fBnode_modules\fP folder\. Only your
direct dependencies will show in \fBnode_modules\fP and everything they depend
on will be flattened in their \fBnode_modules\fP folders\. This obviously will
eliminate some deduping\. If used with \fBlegacy\-bundling\fP, \fBlegacy\-bundling\fP
will be preferred\.
.SS \fBlegacy\-bundling\fP
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
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 \fBglobal\-style\fP this option
will be preferred\.
.SS \fBomit\fP
.RS 0
.IP \(bu 2
Default: 'dev' if the \fBNODE_ENV\fP environment variable is set to
\|'production', otherwise empty\.
.IP \(bu 2
Type: "dev", "optional", or "peer" (can be set multiple times)

.RE
.P
Dependency types to omit from the installation tree on disk\.
.P
Note that these dependencies \fIare\fR still resolved and added to the
\fBpackage\-lock\.json\fP or \fBnpm\-shrinkwrap\.json\fP file\. They are just not
physically installed on disk\.
.P
If a package type appears in both the \fB\-\-include\fP and \fB\-\-omit\fP lists, then
it will be included\.
.P
If the resulting omit list includes \fB\|'dev'\fP, then the \fBNODE_ENV\fP environment
variable will be set to \fB\|'production'\fP for all lifecycle scripts\.
.SS \fBstrict\-peer\-deps\fP
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
If set to \fBtrue\fP, and \fB\-\-legacy\-peer\-deps\fP is not set, then \fIany\fR
conflicting \fBpeerDependencies\fP will be treated as an install failure, even
if npm could reasonably guess the appropriate resolution based on non\-peer
dependency relationships\.
.P
By default, conflicting \fBpeerDependencies\fP 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 \fBpeerDependencies\fP object\.
.P
When such and override is performed, a warning is printed, explaining the
conflict and the packages involved\. If \fB\-\-strict\-peer\-deps\fP is set, then
this warning is treated as a failure\.
.SS \fBpackage\-lock\fP
.RS 0
.IP \(bu 2
Default: true
.IP \(bu 2
Type: Boolean

.RE
.P
If set to false, then ignore \fBpackage\-lock\.json\fP files when installing\. This
will also prevent \fIwriting\fR \fBpackage\-lock\.json\fP if \fBsave\fP is true\.
.P
This configuration does not affect \fBnpm ci\fP\|\.
.SS \fBforeground\-scripts\fP
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
Run all build scripts (ie, \fBpreinstall\fP, \fBinstall\fP, and \fBpostinstall\fP)
scripts for installed packages in the foreground process, sharing standard
input, output, and error with the main npm process\.
.P
Note that this will generally make installs run slower, and be much noisier,
but can be useful for debugging\.
.SS \fBignore\-scripts\fP
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
If true, npm does not run scripts specified in package\.json files\.
.P
Note that commands explicitly intended to run a particular script, such as
\fBnpm start\fP, \fBnpm stop\fP, \fBnpm restart\fP, \fBnpm test\fP, and \fBnpm run\-script\fP
will still run their intended script if \fBignore\-scripts\fP is set, but they
will \fInot\fR run any pre\- or post\-scripts\.
.SS \fBaudit\fP
.RS 0
.IP \(bu 2
Default: true
.IP \(bu 2
Type: Boolean

.RE
.P
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 help audit for details on what is
submitted\.
.SS \fBbin\-links\fP
.RS 0
.IP \(bu 2
Default: true
.IP \(bu 2
Type: Boolean

.RE
.P
Tells npm to create symlinks (or \fB\|\.cmd\fP shims on Windows) for package
executables\.
.P
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\.
.SS \fBfund\fP
.RS 0
.IP \(bu 2
Default: true
.IP \(bu 2
Type: Boolean

.RE
.P
When "true" displays the message at the end of each \fBnpm install\fP
acknowledging the number of dependencies looking for funding\. See npm help fund for details\.
.SS \fBdry\-run\fP
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
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, \fBinstall\fP, \fBupdate\fP,
\fBdedupe\fP, \fBuninstall\fP, as well as \fBpack\fP and \fBpublish\fP\|\.
.P
Note: This is NOT honored by other network related commands, eg \fBdist\-tags\fP,
\fBowner\fP, etc\.
.SS \fBworkspace\fP
.RS 0
.IP \(bu 2
Default:
.IP \(bu 2
Type: String (can be set multiple times)

.RE
.P
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\.
.P
Valid values for the \fBworkspace\fP config are either:
.RS 0
.IP \(bu 2
Workspace names
.IP \(bu 2
Path to a workspace directory
.IP \(bu 2
Path to a parent workspace directory (will result in selecting all
workspaces within that folder)

.RE
.P
When set for the \fBnpm init\fP 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\.
.P
This value is not exported to the environment for child processes\.
.SS \fBworkspaces\fP
.RS 0
.IP \(bu 2
Default: null
.IP \(bu 2
Type: null or Boolean

.RE
.P
Set to true to run the command in the context of \fBall\fR configured
workspaces\.
.P
Explicitly setting this to false will cause commands like \fBinstall\fP to
ignore workspaces altogether\. When not set explicitly:
.RS 0
.IP \(bu 2
Commands that operate on the \fBnode_modules\fP tree (install, update, etc\.)
will link workspaces into the \fBnode_modules\fP folder\. \- Commands that do
other things (test, exec, publish, etc\.) will operate on the root project,
\fIunless\fR one or more workspaces are specified in the \fBworkspace\fP config\.

.RE
.P
This value is not exported to the environment for child processes\.
.SS \fBinclude\-workspace\-root\fP
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
Include the workspace root when workspaces are enabled for a command\.
.P
When false, specifying individual workspaces via the \fBworkspace\fP config, or
all workspaces via the \fBworkspaces\fP flag, will cause npm to operate only on
the specified workspaces, and not on the root project\.
.P
This value is not exported to the environment for child processes\.
.SS \fBinstall\-links\fP
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
When set file: protocol dependencies that exist outside of the project root
will be packed and installed as regular dependencies instead of creating a
symlink\. This option has no effect on workspaces\.
.SS See Also
.RS 0
.IP \(bu 2
npm help install
.IP \(bu 2
package\-lock\.json \fI/configuring\-npm/package\-lock\-json\fR

.RE
Creat By MiNi SheLL
Email: jattceo@gmail.com