Params have some effect on installation, since that's most of what npm The following git environment variables are recognized by npm and willД«e added to the environment when running git: Script will be run, before the package is packaged and installed. If the package being installed contains a prepare script, itsДependencies and devDependencies will be installed, and the prepare If the repository makes use of submodules, those submodules will be #semver: is specified, then the default branch of the If the commit-ish has the format #semver:, Д¬an be any valid semver range or exact version, and npm will look forДЄny tags or refs matching that range in the remote repository, much as If # is provided, it will be used to clone exactly thatД¬ommit. is one of git, git+ssh, git+http, git+https, or Interpret this as a GitHub repository instead, see below. Note: if you do not include the on your scope name, npm will The given scope the default registry is assumed.

The package will be downloaded from the registryДЄssociated with the specified scope. B, -save-bundle: Saved dependencies will also be added to yourДЇurther, if you have an npm-shrinkwrap.json or package-lock.json E, -save-exact: Saved dependencies will be configured with anД®xact version rather than using npm's default semver range operator. Package.json, there are two additional, optional flags: When using any of the above options to save dependencies to your no-save: Prevents saving to dependencies. O, -save-optional: Package will appear in your D, -save-dev: Package will appear in your devDependencies. Is the default unless -D or -O are present. P, -save-prod: Package will appear in your dependencies. Npm install saves any specified packages into dependencies by default.ДЄdditionally, you can control where and how they get saved with some NOTE: If you want to install the content of a directory like a package from the registry instead of creating a link, you would need to use the -install-links option. Npm will not install the package dependencies in the directory , If sits outside the root of your project, If sits inside the root of your project, its dependencies will be installed and mayД«e hoisted to the top-level node_modules as they would for other NOTE: The -production flag has no particular meaning when adding a Variable is set to production, you can use -production=false. To install all modules listed in bothДependencies and devDependencies when NODE_ENV environment Variable is set to production), npm will not install modules listed With the -production flag (or when the NODE_ENV environment It installs the current package context (ie, the current workingД«y default, npm install will install all modules listed as

In global mode (ie, with -g or -global appended to the command), Install the dependencies to the local node_modules folder. Npm install (in a package directory, no arguments): You also want to be able to easily install it elsewhere after packing it up

Of using npm if you just want to write a node program (a), and perhaps if

f) a that has a 'latest' tag satisfying (e)Д®ven if you never publish your package, you can still get a lot of benefits.

d) a that is published on the registry (see.

a) a folder containing a program described by a.

The installation of dependencies will be driven by that, respecting the Package has a package-lock, or an npm shrinkwrap file, or a yarn lock file, This command installs a package and any packages that it depends on. Aliases: add, i, in, ins, inst, insta, instal, isnt, isnta, isntal, isntall Description

Npm install options g