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106 lines
2.8 KiB
Groff
106 lines
2.8 KiB
Groff
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.TH "NPM\-LINK" "1" "December 2018" "" ""
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.SH "NAME"
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\fBnpm-link\fR \- Symlink a package folder
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.SH SYNOPSIS
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.P
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.RS 2
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.nf
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npm link (in package dir)
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npm link [<@scope>/]<pkg>[@<version>]
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alias: npm ln
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.fi
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.RE
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.SH DESCRIPTION
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.P
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Package linking is a two\-step process\.
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.P
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First, \fBnpm link\fP in a package folder will create a symlink in the global folder
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\fB{prefix}/lib/node_modules/<package>\fP that links to the package where the \fBnpm
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link\fP command was executed\. (see npm help 7 \fBnpm\-config\fP for the value of \fBprefix\fP)\. It
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will also link any bins in the package to \fB{prefix}/bin/{name}\fP\|\.
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.P
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Next, in some other location, \fBnpm link package\-name\fP will create a
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symbolic link from globally\-installed \fBpackage\-name\fP to \fBnode_modules/\fP
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of the current folder\.
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.P
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Note that \fBpackage\-name\fP is taken from \fBpackage\.json\fP,
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not from directory name\.
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.P
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The package name can be optionally prefixed with a scope\. See npm help 7 \fBnpm\-scope\fP\|\.
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The scope must be preceded by an @\-symbol and followed by a slash\.
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.P
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When creating tarballs for \fBnpm publish\fP, the linked packages are
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"snapshotted" to their current state by resolving the symbolic links\.
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.P
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This is handy for installing your own stuff, so that you can work on it and
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test it iteratively without having to continually rebuild\.
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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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cd ~/projects/node\-redis # go into the package directory
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npm link # creates global link
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cd ~/projects/node\-bloggy # go into some other package directory\.
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npm link redis # link\-install the package
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.fi
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.RE
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.P
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Now, any changes to ~/projects/node\-redis will be reflected in
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~/projects/node\-bloggy/node_modules/node\-redis/\. Note that the link should
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be to the package name, not the directory name for that package\.
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.P
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You may also shortcut the two steps in one\. For example, to do the
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above use\-case in a shorter way:
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.P
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.RS 2
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.nf
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cd ~/projects/node\-bloggy # go into the dir of your main project
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npm link \.\./node\-redis # link the dir of your dependency
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.fi
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.RE
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.P
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The second line is the equivalent of doing:
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.P
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.RS 2
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.nf
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(cd \.\./node\-redis; npm link)
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npm link redis
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.fi
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.RE
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.P
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That is, it first creates a global link, and then links the global
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installation target into your project's \fBnode_modules\fP folder\.
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.P
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Note that in this case, you are referring to the directory name, \fBnode\-redis\fP,
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rather than the package name \fBredis\fP\|\.
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.P
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If your linked package is scoped (see npm help 7 \fBnpm\-scope\fP) your link command must
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include that scope, e\.g\.
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.P
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.RS 2
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.nf
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npm link @myorg/privatepackage
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.fi
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.RE
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.SH SEE ALSO
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.RS 0
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.IP \(bu 2
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npm help 7 developers
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.IP \(bu 2
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npm help 5 package\.json
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.IP \(bu 2
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npm help install
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.IP \(bu 2
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npm help 5 folders
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.IP \(bu 2
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npm help config
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.IP \(bu 2
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npm help 7 config
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.IP \(bu 2
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npm help 5 npmrc
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.RE
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