.eslintrc.json

{
    "root": true,
    "parserOptions": {
        "ecmaVersion": 8,
        "ecmaFeatures": {
            "experimentalObjectRestSpread": true,
            "jsx": true
        }
    },
    "env": {
        "commonjs": true,
        "es6": true,
        "node": true
    },
    "extends": [
        "react-app",
        "plugin:jsx-a11y/recommended",
        "plugin:react/recommended"
    ],
    "plugins": [
        "jsx-a11y",
        "react"
    ],
    "rules": {
        "comma-spacing": [
            "error"
        ],
        "react/jsx-indent": "off",
        "curly": [
            "error"
        ],
        "eqeqeq": [
            "error"
        ],
        "indent": [
            "warn",
            4,
            {
                "SwitchCase": 1
            }
        ],
        "jsx-no-duplicate-props": 0,
        "keyword-spacing": [
            "warn"
        ],
        "no-console": [
            "off"
        ],
        "no-empty": [
            "error",
            {
                "allowEmptyCatch": true
            }
        ],
        "no-mixed-spaces-and-tabs": [
            "error",
            "smart-tabs"
        ],
        "no-shadow": [
            "warn"
        ],
        "no-trailing-spaces": [
            "warn"
        ],
        "no-unused-vars": [
            "warn",
            {
                "args": "none"
            }
        ],
        "no-var": [
            "error"
        ],
        "prefer-const": [
            "error",
            {
                "destructuring": "all"
            }
        ],
        "semi": [
            "warn",
            "never"
        ],
        "space-before-blocks": [
            "off",
            "never"
        ],
        "space-before-function-paren": [
            "warn",
            "never"
        ],
        "space-in-parens": [
            "error",
            "never"
        ],
        "space-infix-ops": [
            "warn"
        ],
        "react/prop-types": 1,
        "react/jsx-key": 1,
        "react/jsx-no-duplicate-props": [
            1,
            {
                "ignoreCase": false
            }
        ]
    }
}