Check if a project is using Yarn
$ npm install --global has-yarn-cli
$ has-yarn --help
Check if a project is using Yarn
Usage
$ has-yarn
✔ This project uses Yarn
Options
--quiet Silence output (useful for scripts)
Exits with code 0 if the project uses Yarn, otherwise code 2```
## Related
- [has-yarn](https://github.com/sindresorhus/has-yarn) - API for this module
## License
MIT © [Sindre Sorhus](https://sindresorhus.com)