.eslintrc.js

module.exports = {
    "env": {
        "browser": true,
        "node": true,
        "commonjs": true,
        "es6": true
    },
    "extends": "eslint:recommended",
    
    "parserOptions": {
        "ecmaFeatures": {
            "experimentalObjectRestSpread": true,
            "jsx": true,
            "modules": true
        },
        "ecmaVersion": 2018,
        "sourceType": "module"
    },
    "plugins": [
        "react",
        "import"
    ],
    "rules": {
        "react/jsx-filename-extension": [1, { "extensions": [".js", ".jsx"] }],
        "no-unused-vars": ["error", { "vars": "all", "args": "after-used", "ignoreRestSiblings": false }],
        "no-unused-vars": [2, {"vars": "all", "args": "after-used"}],
        "react/jsx-uses-vars": [2],
        "react/jsx-uses-react": [2],
        "react/react-in-jsx-scope": [2],
        
        "indent": [
            "error",
            "tab"
        ],
        "linebreak-style": [
            "error",
            "unix"
        ],
        "quotes": [
            "error",
            "single"
        ],
        "semi": [
            "error",
            "always"
        ]
    }
};