# is-npm [![Build Status](https://travis-ci.org/sindresorhus/is-npm.svg?branch=master)](https://travis-ci.org/sindresorhus/is-npm) > Check if your code is running as an [npm](https://docs.npmjs.com/misc/scripts) or [yarn](https://yarnpkg.com/lang/en/docs/cli/run/) script ## Install ``` $ npm install is-npm ``` ## Usage ```js const {isNpm} = require('is-npm'); console.log(isNpm); ``` ```sh $ node foo.js #=> false $ npm run foo #=> true $ yarn run foo #=> true ``` ## License MIT © [Sindre Sorhus](https://sindresorhus.com)