Validate files with XO
Please consider if you really need Grunt for this. Using a npm run script would be better.
Issues regarding rules should be reported on the ESLint issue tracker as it's the actual linter.
Install
$ npm install --save-dev grunt-xo
Usage
grunt; // npm install --save-dev load-grunt-tasks grunt; grunt;
Options
XO options can be specified in package.json.
In the Gruntfile you can specify the following options:
reporter
Type: string
Default: 'eslint-formatter-pretty'
Any ESLint reporter.
outputFile
Type: string
Output the report to a file.
quiet
Type: boolean
Default: false
Report errors only.