Synopsis
npm link (in package.json dir)
npm link [<@scope>/]<pkg>[@<version>]
alias: npm ln
Description
two-step process.
1.npm link in a package folder will create a symlink in the global folder {prefix}/lib/node_modules/<package> that links to the package.also will link any bins in the package to {prefix}/bin/{name}
2.in some other location,npm link package-name will create a
symbolic link from globally-installed package-name to node_modules/ fo the current folder