.eslintrc.json

{
    "env": {
        "es6": true,
        "jest": true
    },
    "extends": [
        "eslint:recommended", "plugin:security/recommended"
    ],
    "parser": "babel-eslint",
    "parserOptions": {
        "ecmaVersion" : 6,
        "sourceType": "module"
    },
    "globals": {
        "console": true,
        "process": true,
        "module": true
    },
    "plugins": [ "import", "jest", "security" ],
    "rules": {
        "jest/no-disabled-tests": "error",
        "jest/no-focused-tests": "error",
        "jest/no-identical-title": "error",
        "jest/prefer-to-have-length": "error",
        "jest/valid-expect": "error",
        "indent": [ "error", 4, { "SwitchCase": 1 } ],
        "linebreak-style": [ "error", "unix" ],
        "quotes": [ "error", "single" ],
        "semi": [ "error", "never" ],
        "no-case-declarations": [ "off" ],
        "brace-style": [ "error" ],
        "no-multi-spaces": ["error" ],
        "no-trailing-spaces": [ "error" ],
        "no-inline-comments": [ "error" ],
        "comma-dangle": [ "error", "only-multiline" ],
        "no-console": [ "error" ],
        "no-useless-concat": [ "error" ],
        "import/order": [ "error" ],
        "no-unused-vars": [ "error" ],
        "no-useless-constructor": [ "error" ],
        "no-dupe-class-members": [ "error" ],
        "key-spacing": [ "error" ],
        "no-iterator": [ "error" ],
        "prefer-template": [ "error" ],
        "prefer-const": [ "error" ],
        "keyword-spacing": [ "error" ],
        "space-before-blocks": [ "error" ],
        "padded-blocks": [ "error", "never" ],
        "no-multiple-empty-lines": [ "error", { "max": 1, "maxEOF": 1 } ],
        "space-in-parens": ["error", "never"],
        "no-var": [ "error" ],
        "no-new-wrappers": [ "error" ],
        "object-shorthand": [ "error" ],
        "object-curly-spacing": [ "error", "always", { "objectsInObjects": false, "arraysInObjects": false } ],
        "no-else-return": "error",
        "quote-props": [ "error", "as-needed"],
        "eqeqeq": [ "warn", "always" ],
        "arrow-spacing": [ "warn" ],
        "comma-spacing": [ "warn" ]
    }
}