.eslintrc.json

{
  "extends": [
    "eslint:recommended",
    "plugin:import/errors"
  ],
  "plugins": [
    "import"
  ],
  "parserOptions": {
    "ecmaVersion": 2016,
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true
    }
  },
  "env": {
    "es6": true,
    "node": true,
    "browser": true
  },
  "rules": {
    "max-len": ["error", {
      "code": 80,
      "ignoreComments": true
    }],
    "indent": ["error", 2],
    "semi": ["error", "never"],
    "quotes": ["error", "single"],
    "brace-style": "error",
    "comma-dangle": ["error", {
      "arrays": "always-multiline",
      "objects": "always-multiline",
      "imports": "never",
      "exports": "never",
      "functions": "never"
    }],
    "curly": ["error", "all"],
    "object-curly-spacing": ["error", "always"],
    "arrow-parens": "error",
    "generator-star-spacing": ["error", "after"],
    "no-multiple-empty-lines:": "off",
    "no-console": "off",
    "no-extend-native": "error",
    "no-throw-literal": "error",
    "no-empty": ["error", {
      "allowEmptyCatch": true
    }],
    "no-use-before-define": ["error", {
      "functions": false,
      "classes": false,
      "variables": true
    }],
    "import/newline-after-import": ["error", {
      "count": 2
    }]
  }
}