newsupernova/vendor/magento/magento2-base/dev/tools/grunt/configs/eslint.json

{
    "file": {
        "options": {
            "configFile": "dev/tests/static/testsuite/Magento/Test/Js/_files/eslint/.eslintrc",
            "reset": true,
            "useEslintrc": false
        }
    },
    "test": {
        "options": {
            "configFile": "dev/tests/static/testsuite/Magento/Test/Js/_files/eslint/.eslintrc",
            "reset": true,
            "outputFile": "dev/tests/static/eslint-error-report.xml",
            "format": "junit",
            "quiet": true
        }
    }
}