.eslintrc.json

{
    "parserOptions": {
        "ecmaVersion": 8,
        "sourceType": "module",
        "ecmaFeatures": {
            "impliedStrict": true,
            "jsx": true,
            "js": true,
            "legacyDecorators": true
        }
    },
    "env": {
        "es6": true,
        "node": true
    },
    "parser": "babel-eslint",
    "plugins": ["react"],
    "rules": {
        "semi": [2, "always"],
        "new-cap": [0],
        "prefer-promise-reject-errors": [1],
        "indent": [2, 4, {
            "SwitchCase": 1
        }],
        "comma-dangle": [2, "only-multiline"],
        "space-before-function-paren": [2, "never"],
        "operator-linebreak": [2, "before"],
        "no-floating-decimal": [0],
        "react/jsx-indent": [2, 4],
        "react/jsx-indent-props": [2, 4],
        "react/jsx-boolean-value": [2, "always"],
        "react/prop-types": [0],
        "jsx-quotes": [2, "prefer-double"]
    },
    "extends": ["standard", "standard-react"]
}