.eslintrc.json

{
  "env": {
    "browser": true,
    "node": true,
    "es6": true,
    "worker": true
  },
  "plugins": ["import"],
  "extends": [
    "eslint:recommended",
    "airbnb-base"
  ],
  "parser": "babel-eslint",
  "parserOptions": {
    "ecmaVersion": 2017,
    "sourceType": "module",
    "ecmaFeatures": {
      "experimentalObjectRestSpread": true
    }
  },
  "rules": {
    "array-callback-return": "off",
    "arrow-body-style": ["error", "always"],
    "class-methods-use-this": "off",
    "comma-dangle": ["error", "never"],
    "consistent-return": "off",
    "import/no-extraneous-dependencies": "off",
    "import/prefer-default-export": "off",
    "no-console": [
      "error",
      { "allow": ["log", "debug", "error", "warn"] }
    ],
    "no-param-reassign": ["error", {
      "props": true,
      "ignorePropertyModificationsFor": ["state"]
    }],
    "no-process-env": "off",
    "no-shadow": ["error", {
      "allow": ["state"],
      "hoist": "never"
    }],
    "no-unused-vars": "warn",
    "object-shorthand": "off",
    "prefer-promise-reject-errors": "off",
    "semi": ["error", "always"]
  }
}