.eslintrc.json

{
  "env": {
    "browser": true,
    "es6": true,
    "jest/globals": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:flowtype/recommended",
    "plugin:import/errors",
    "plugin:import/warnings",
    "plugin:jest/recommended"
  ],
  "globals": {
    "Atomics": "readonly",
    "SharedArrayBuffer": "readonly"
  },
  "settings": {
    "import/resolver": {
      "babel-module": {}
    }
  },
  "plugins": ["import", "flowtype", "jest"],
  "parser": "babel-eslint",
  "parserOptions": {
    "ecmaVersion": 2018,
    "sourceType": "module"
  },
  "rules": {
    "indent": ["error", 2],
    "linebreak-style": ["error", "unix"],
    "quotes": ["error", "double"],
    "semi": ["error", "never"],
    "flowtype:require-valid-file-annotation": 0,
    "flowtype/no-types-missing-file-annotation": 0
  }
}