https://github.com/lucasbento/is-package-dep

Parses the closest package.json file and returns whether it contains the dependency or not.
https://github.com/lucasbento/is-package-dep

dependency nodejs npm package yarn

Last synced: about 1 month ago
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Parses the closest package.json file and returns whether it contains the dependency or not.

• Host: GitHub
• URL: https://github.com/lucasbento/is-package-dep
• Owner: lucasbento
• License: mit
• Created: 2017-10-03T08:31:33.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2017-10-19T10:36:50.000Z (about 7 years ago)
• Last Synced: 2024-11-20T16:03:58.581Z (about 2 months ago)
• Topics: dependency, nodejs, npm, package, yarn
• Language: JavaScript
• Homepage:
• Size: 45.9 KB
• Stars: 3
• Watchers: 1
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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is-package-dep



  Parse the closest package.json file (upwards and downwards the tree) and returns whether a package is a dependency or not.





  

  

  



## Why

Needed to check whether if a project has [react-native](https://github.com/facebook/react-native) as a dependency or not.

## Install

```bash

yarn add is-package-dep # or npm i is-package-dep --save

```

## Usage

```js

const isPackageDep = require('is-package-dep');

const isRNProject = isPackageDep('react-native'); // value will be either `true` or `false`

```

## API

### isPackageDep(packageName, [options])

Returns a boolean value that holds whether the package is installed or not.

#### packageName

Type: `string`

The name of the package.

#### options

##### baseDir

Type: `string`

Default: `process.cwd()`

Directory to start looking up for the `package.json` file.

## License

MIT © [Lucas Bento](https://twitter.com/lbentosilva)

---

Thanks to [Sindre Sorhus](https://github.com/sindresorhus) for [read-pkg-up](https://github.com/sindresorhus/read-pkg-up) module.