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114 lines
4.1 KiB
Markdown
114 lines
4.1 KiB
Markdown
npm-scope(7) -- Scoped packages
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===============================
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## DESCRIPTION
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All npm packages have a name. Some package names also have a scope. A scope
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follows the usual rules for package names (URL-safe characters, no leading dots
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or underscores). When used in package names, scopes are preceded by an `@` symbol
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and followed by a slash, e.g.
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@somescope/somepackagename
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Scopes are a way of grouping related packages together, and also affect a few
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things about the way npm treats the package.
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Each npm user/organization has their own scope, and only you can add packages
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in your scope. This means you don't have to worry about someone taking your
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package name ahead of you. Thus it is also a good way to signal official packages
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for organizations.
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Scoped packages can be published and installed as of `npm@2` and are supported
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by the primary npm registry. Unscoped packages can depend on scoped packages and
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vice versa. The npm client is backwards-compatible with unscoped registries,
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so it can be used to work with scoped and unscoped registries at the same time.
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## Installing scoped packages
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Scoped packages are installed to a sub-folder of the regular installation
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folder, e.g. if your other packages are installed in `node_modules/packagename`,
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scoped modules will be installed in `node_modules/@myorg/packagename`. The scope
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folder (`@myorg`) is simply the name of the scope preceded by an `@` symbol, and can
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contain any number of scoped packages.
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A scoped package is installed by referencing it by name, preceded by an
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`@` symbol, in `npm install`:
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npm install @myorg/mypackage
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Or in `package.json`:
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"dependencies": {
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"@myorg/mypackage": "^1.3.0"
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}
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Note that if the `@` symbol is omitted, in either case, npm will instead attempt to
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install from GitHub; see `npm-install(1)`.
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## Requiring scoped packages
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Because scoped packages are installed into a scope folder, you have to
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include the name of the scope when requiring them in your code, e.g.
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require('@myorg/mypackage')
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There is nothing special about the way Node treats scope folders. This
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simply requires the `mypackage` module in the folder named `@myorg`.
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## Publishing scoped packages
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Scoped packages can be published from the CLI as of `npm@2` and can be
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published to any registry that supports them, including the primary npm
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registry.
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(As of 2015-04-19, and with npm 2.0 or better, the primary npm registry
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**does** support scoped packages.)
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If you wish, you may associate a scope with a registry; see below.
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### Publishing public scoped packages to the primary npm registry
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To publish a public scoped package, you must specify `--access public` with
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the initial publication. This will publish the package and set access
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to `public` as if you had run `npm access public` after publishing.
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### Publishing private scoped packages to the npm registry
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To publish a private scoped package to the npm registry, you must have
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an [npm Private Modules](https://docs.npmjs.com/private-modules/intro)
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account.
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You can then publish the module with `npm publish` or `npm publish
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--access restricted`, and it will be present in the npm registry, with
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restricted access. You can then change the access permissions, if
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desired, with `npm access` or on the npmjs.com website.
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## Associating a scope with a registry
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Scopes can be associated with a separate registry. This allows you to
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seamlessly use a mix of packages from the primary npm registry and one or more
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private registries, such as npm Enterprise.
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You can associate a scope with a registry at login, e.g.
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npm login --registry=http://reg.example.com --scope=@myco
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Scopes have a many-to-one relationship with registries: one registry can
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host multiple scopes, but a scope only ever points to one registry.
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You can also associate a scope with a registry using `npm config`:
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npm config set @myco:registry http://reg.example.com
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Once a scope is associated with a registry, any `npm install` for a package
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with that scope will request packages from that registry instead. Any
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`npm publish` for a package name that contains the scope will be published to
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that registry instead.
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## SEE ALSO
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* npm-install(1)
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* npm-publish(1)
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* npm-access(1)
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* npm-registry(7)
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