yarn global
helps us manage global npm packages, which is especially useful for CLI tools. How does it work?
By default, it will create a directory at ~/.config/yarn/global
(on OSX and non-root Linux), and if you enter the directory, you will find its structure like this:
├── node_modules
├── package.json
├── yarn-error.log
└── yarn.lock
And in package.json
, all global packages are defined as dependencies
, just like what you are familiar with in a normal JS/TS project.
In this directory, you can do whatever you would normally do, like yarn add
, yarn remove
, yarn upgrade
, yarn upgrade-interactive
, etc.
The key point that makes yarn global
different is that it handles the binaries by creating symlinks in the directory you specify with --prefix
option. On OSX and non-root Linux, the default prefix is /usr/local
, which means the binaries will be symlinked to /usr/local/bin
, which is usually in the enviroment variable $PATH
. So if you prefer using a custom directory for symlinks, do make sure that the directory is in $PATH
.
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