.eslintrc.js

module.exports = {
  "env": {
    "browser": true,
    "es6": true
  },
  "parser": "babel-eslint",
  "plugins": [
    "react",
    "react-native"
  ],
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended",
    "plugin:react-native/all"
  ],
  "parserOptions": {
    "sourceType": "module"
  },
  "rules": {
    "indent": [
      "error",
      2,
      { "SwitchCase": 1 }
    ],
    "brace-style": [
      "error",
      "1tbs",
      { "allowSingleLine": true }
    ],
    "linebreak-style": [
      "error",
      "unix"
    ],
    "quotes": [
      "error",
      "single"
    ],
    "semi": [
      "error",
      "always"
    ],
    "no-var": "error"
  }
};