.eslintrc.json

{
    "env": {
        "browser": true,
        "node": true,
        "es6": true
    },
    "globals": {
        "browser": false,
        "chrome": false,
        "extension": false,
        "extensiona": false
    },
    "parserOptions": {
        "ecmaVersion": 6,
        "sourceType": "module",
        "experimentalObjectRestSpread": true,
        "ecmaFeatures": {
            "jsx": true
        }
    },
    "plugins": [
        "react",
        "flowtype"
    ],
    "extends": [
        "eslint:recommended",
        "plugin:react/recommended",
        "plugin:flowtype/recommended"
    ],
    "parser": "babel-eslint",
    "rules": {
        "strict": 0,
        "no-console": 0,
        "no-extra-parens": 2,
        "eqeqeq": 2,
        "no-useless-escape": 2,
        "require-yield": 0,
        "no-undef": 2,
        "react/prop-types": 0,
        "no-unused-vars": 1,
        "no-constant-condition": 0,
        "flowtype/space-after-type-colon": 0,
        "flowtype/union-intersection-spacing": 0
    }
}