.eslintrc.json

{
  "parser": "babel-eslint",
  "env": {
    "browser": true,
    "es6": true,
    "node": true
  },
  "parserOptions": {
    "sourceType": "module"
  },
  "plugins": [],
  "settings": {
  },
  "rules": {
    "indent": [
      "error",
      4, {
        "MemberExpression": "off",
        "SwitchCase": 1
      }
    ],
    "camelcase": ["error", {
      "properties": "never"
    }],
    "eqeqeq": ["error", "always"],
    "padded-blocks": ["error", "never"],
    "linebreak-style": [
      "error",
      "unix"
    ],
    "quotes": [
      "error",
      "single"
    ],
    "semi": [
      "error",
      "always"
    ],
    "no-console": "off",
    "curly": ["error", "multi-or-nest"],
    "no-var": "error",
    "no-throw-literal": "error",
    "prefer-const": "error",
    "no-unused-vars": "error",
    "no-implicit-globals": "error",
    "no-global-assign": "error",
    "space-before-function-paren": ["error", {
      "anonymous": "never",
      "named": "never",
      "asyncArrow": "always"
    }]
  }
}