.eslintrc

/* "off" or 0 - turn the rule off
"warn" or 1 - turn the rule on as a warning (doesn’t affect exit code)
"error" or 2 - turn the rule on as an error (exit code is 1 when triggered)
*/

{
    "parser": "babel-eslint",
    "plugins": [
        "react"
    ],
    "parserOptions": {
        "ecmaVersion": 6,
        "sourceType": "module",
        "ecmaFeatures": {
            "jsx": true
        }
    },
    "env": {
        "browser": true,
        "amd": true,
        "es6": true,
        "node": true,
        "mocha": true
    },
    "rules": {
        "max-len": [
            "error",
            {
                "code": 120,
                "tabWidth": 4,
                "ignoreStrings": true,
                "ignoreTrailingComments": true
            }
        ],
        "semi": [
            2,
            "always"
        ],
        "no-var": 2,
        "prefer-arrow-callback": [
            "error"
        ],
        "indent": [
            "error",
            4,
            {
                "SwitchCase": 1
            }
        ],
        "arrow-body-style": [
            "error",
            "as-needed"
        ],
        "arrow-parens": [
            2,
            "as-needed",
            {
                "requireForBlockBody": true
            }
        ],
        "complexity": [
            "error",
            {
                "max": 10
            }
        ],
        "react/jsx-indent": [
            2,
            4
        ],
        "react/jsx-indent-props": [
            2,
            4
        ],
        "react/jsx-no-bind": [
            2,
            {
                "ignoreRefs": true
            }
        ],
        "react/react-in-jsx-scope": 0,
        "jsx-a11y/href-no-hash": 0,
        "react/jsx-first-prop-new-line": 0,
        "react/jsx-closing-bracket-location": 0,
        "curly": [
            2,
            "all"
        ],
        "brace-style": [
            2,
            "1tbs",
            {
                "allowSingleLine": false
            }
        ],
        "no-alert": 2,
        "react/forbid-prop-types": [
            2,
            {
                "forbid": [
                    "any"
                ]
            }
        ],
        /* https://github.com/AtomLinter/linter-eslint/issues/768 */
        "import/no-extraneous-dependencies": 0,
        "no-extra-parens": [
            "error",
            "all",
            {
                "ignoreJSX": "all",
                "nestedBinaryExpressions": false
            }
        ],
        "comma-dangle": [
            "error",
            "never"
        ],
        "react/jsx-filename-extension": [
            1,
            {
                "extensions": [
                    ".js",
                    ".jsx"
                ]
            }
        ],
        "func-style": ["error", "expression"]
    }
}