.eslint.json

{
    "parser": "babel-eslint",
    "parserOptions": {
        "ecmaVersion": 6,
        "ecmaFeatures": {
            "jsx" : true,
            "impliedStrict": true
        },
        "sourceType": "module"
    },
    "env": {
        "browser": true,
        "node": true,
        "commonjs": true,
        "shared-node-browser": true,
        "es6": true,
        "mocha": true,
        "jest": true,
        "phantomjs": true
    },
    "plugins": ["react"],
    "globals": {
        "mocha": true,
        "jest": true
    },
    "settings": {
        "react": {
            "createClass": "createClass",
            "pragma": "React",
            "version": "15.0"
        }
    },
    "rules": {
        "semi": [0, "never"],
        "consistent-return": [1],
        "key-spacing": [0],
        "quotes": [1, "prefer-double"],
        "new-cap": [1],
        "no-multi-spaces": [1],
        "no-shadow": [2],
        "no-unused-vars": [1],
        "no-use-before-define": [2, "nofunc"],
        "react/jsx-no-undef": 1,
        "react/jsx-uses-react": 1,
        "react/jsx-uses-vars": 1
    },
    "extends": ["eslint:recommended", "plugin:react/recommended"]
}