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Check if a project is using Yarn
Useful for tools that needs to know whether to use yarn
or npm
to install dependencies.
It checks if a yarn.lock
file is present in the working directory.
$ npm install has-yarn
.
├── foo
│ └── package.json
└── bar
├── package.json
└── yarn.lock
const hasYarn = require('has-yarn');
hasYarn('foo');
//=> false
hasYarn('bar');
//=> true
Returns a boolean
of whether the project uses Yarn.
Type: string
Default: process.cwd()
Current working directory.
MIT © Sindre Sorhus