.eslintrc.js

module.exports = {
    "env": {
        "browser": true,
        "es6": true
    },
    "extends": "eslint:recommended",
    "parserOptions": {
        "ecmaFeatures": {
            "experimentalObjectRestSpread": true,
            "jsx": true
        },
        "sourceType": "module"
    },
    "plugins": [
        "react"
    ],
    "parser": "babel-eslint",
    "rules": {
        "indent": [
            "error",
            4,
            { "SwitchCase": 1 }
        ],
        "no-console": ["warn", { allow: ["warn", "error"] }],
        "no-underscore-dangle": [0],

        "react/jsx-curly-spacing": [1, "always"],
        "react/jsx-boolean-value": [1, "never"],
        "react/display-name": 0,
        "react/jsx-no-undef": 1,
        "react/jsx-uses-react": 1,
        "react/jsx-uses-vars": 1,
        "react/jsx-no-duplicate-props": 1,
        "react/no-did-mount-set-state": 1,
        "react/no-did-update-set-state": 1,
        "react/no-multi-comp": 1,
        "react/no-unknown-property": 1,
        "react/prop-types": 1,
        "react/react-in-jsx-scope": 1,
        "react/self-closing-comp": 1,
        "react/jsx-wrap-multilines": 1,
        "react/no-direct-mutation-state": 1,
        "react/prefer-es6-class": 1,

        "no-alert": 1,
        "no-array-constructor": 1,
        "no-caller": 1,
        "no-catch-shadow": 1,
        "no-eval": 1,
        "no-extend-native": 1,
        "no-extra-bind": 1,
        "no-implied-eval": 1,
        "no-iterator": 1,
        "no-label-var": 1,
        "no-labels": 1,
        "no-lone-blocks": 1,
        "no-loop-func": 1,
        "no-multi-spaces": 1,
        "no-multi-str": 1,
        "no-native-reassign": 1,
        "no-new": 1,
        "no-new-func": 1,
        "no-new-object": 1,
        "no-new-wrappers": 1,
        "no-octal-escape": 1,
        "no-process-exit": 1,
        "no-proto": 1,
        "no-return-assign": 1,
        "no-script-url": 1,
        "no-sequences": 1,
        "no-shadow": 1,
        "no-shadow-restricted-names": 1,
        "no-spaced-func": 1,
        "no-trailing-spaces": 1,
        "no-undef-init": 1,
        "no-unused-expressions": 1,
        "no-use-before-define": 1,
        "no-with": 1,
        "camelcase": 1,
        "comma-spacing": 1,
        "consistent-return": 1,
        "curly": 1,
        "dot-notation": 1,
        "eol-last": 1,
        "eqeqeq": 1,
        "key-spacing": 1,
        "new-cap": 1,
        "new-parens": 1,
        "semi": 1,
        "semi-spacing": 1,
        "space-infix-ops": 1,
        "keyword-spacing": 1,
        "space-unary-ops": 1,
        "strict": [2, "never"],
        "yoda": 1
    }
};