.eslintrc.json

{
  "env": {
    "browser": true,
    "es6": true,
    "node": true,
    "jest": true
  },
  "extends": ["eslint:recommended", "plugin:react/recommended"],
  "globals": {
    "Atomics": "readonly",
    "SharedArrayBuffer": "readonly"
  },
  "parser": "babel-eslint",
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true,
      "modules": true
    },
    "ecmaVersion": 2018,
    "sourceType": "module",
    "allowImportExportEverywhere": true
  },
  "settings": {
    "react": {
      "pragma": "React",
      "version": "detect"
    }
  },
  "plugins": ["react"],
  "rules": {
    "indent": ["error", 2, { "SwitchCase": 1 }],
    "linebreak-style": ["error", "unix"],
    "quotes": ["error", "single"],
    "semi": ["error", "never"],
    "jsx-quotes": ["error", "prefer-double"],
    "no-use-before-define": "error",
    "no-duplicate-imports": ["error", { "includeExports": true }],
    "react/display-name": ["off", { "ignoreTranspilerName": false }]
  }
}