.eslintrc.json

{
    "parserOptions": {
        "ecmaVersion": 6,
        "sourceType": "module",
        "ecmaFeatures": {
            "jsx": true
        }
    },
    "env": {
        "browser": true,
        "mocha": true,
        "node": true
    },
    "plugins": [
        "react"
    ],
    "extends": [
        "eslint:recommended", "plugin:react/recommended"
    ],
    "settings": {
        "react": {
            "version": "0.13"
        }
    },
    "rules": {
        "brace-style": ["error", "1tbs", { "allowSingleLine": false }],
        "camelcase": "error",
        "comma-spacing": ["error", {"before": false, "after": true}],
        "comma-style": "error",
        "eol-last": "error",
//        "indent": ["error", 2],
        "max-len": ["error", 100, 2, {"ignoreUrls": true}],
        "no-floating-decimal": "error",
        "no-multiple-empty-lines": ["error", {"max": 2}],
        "func-call-spacing": "error",
        "no-console": "warn",
        "no-trailing-spaces": "error",
        "no-underscore-dangle": "off",
        "no-undefined": "error",
        "no-unused-expressions": "off",
        "no-use-before-define": ["error", { "functions": false }],
        "no-var": "error",
        "one-var": ["error", "never"],
        "operator-linebreak": ["error", "after"],
        "quotes": ["error", "single", "avoid-escape"],
        "react/display-name": "off",
        "react/jsx-boolean-value": "error",
        "react/jsx-no-undef": "error",
        "jsx-quotes": ["error", "prefer-single"],
        "react/sort-prop-types": ["error", {"ignoreCase": true}],
        "react/jsx-sort-props": ["error", {"ignoreCase": true}],
        "react/jsx-uses-react": "error",
        "react/jsx-uses-vars": "error",
        "react/no-did-mount-set-state": "error",
        "react/no-did-update-set-state": "error",
        "react/no-multi-comp": "off",
        "react/no-unknown-property": "error",
        "react/prop-types": "error",
        "react/react-in-jsx-scope": "error",
        "react/self-closing-comp": "error",
        "react/jsx-wrap-multilines": "error",
        "keyword-spacing": "error",
        "space-before-blocks": "error",
        "space-before-function-paren": ["error", "never"],
        "object-curly-spacing": "error",
        "array-bracket-spacing": "error",
        "space-in-parens": "error",
        "spaced-comment": "warn",
        "strict": "warn",
        "wrap-regex": "error",
        "react/no-find-dom-node": "warn",
        "react/no-string-refs": "warn",
        "react/self-closing-comp": "warn",
        "react/jsx-key": "warn",
        "react/jsx-boolean-value": "warn",
        "react/prop-types": "warn"
    },
    "overrides": [
        {
            // Deployment file seems to follow its own rules
            "files": [ "deploy.js" ],
	    "parserOptions": {
                "ecmaVersion": 5,
                "sourceType": "script",
                "ecmaFeatures": {
                    "jsx": false,
                    "globalReturn": true
                }
            }
        }
    ]
}