Check whether a package name is available on npm
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readme.md

npm-name-cli Build Status

Check whether a package name is available on npm

Feedback about the squatter detection should be opened on the squatter repo.

Install

$ npm install --global npm-name-cli

Usage

$ npm-name --help

  Usage
    $ npm-name <name> …

  Examples
    $ npm-name chalk
    ✖ chalk is unavailable
    $ npm-name abc123
    ⚠ abc123 is squatted
    $ npm-name unicorn-cake
    ✔ unicorn-cake is available
    $ npm-name @sindresorhus/is unicorn-cake
    ✖ @sindresorhus/is is unavailable
    ✔ unicorn-cake is available

  Exits with code 0 when all names are available or 2 when any names are taken

FAQ

Why would I use npm-name rather than npm's built-in search?

  1. Nicer & simpler output

  2. npm search is only supported on npm 4, which is only bundled with Node.js 7.4+

  3. Squatter detection

  4. Performance

Using npm 4.0.2

$ time npm search unicorn-cake
No matches found for "unicorn-cake"
npm search unicorn-cake  55.50s user 0.82s system 101% cpu 55.380 total
$ time npm-name unicorn-cake
✔ unicorn-cake is available
npm-name unicorn-cake  0.17s user 0.02s system 35% cpu 0.535 total

Related

License

MIT © Sindre Sorhus