.eslintrc.json

{
  "parser": "babel-eslint",
  "env": {
    "browser": true,
    "es6": true,
    "commonjs": true
  },
  "globals": {
    "process": true,
    "expect": true,
    "test": true,
    "describe": true,
    "beforeEach": true,
    "afterEach": true,
    "afterAll": true,
    "React": true,
    "it": true,
    "__dirname": true
  },
  "extends": "eslint:recommended",
  "parserOptions": {
    "ecmaVersion": 9,
    "ecmaFeatures": {
      "jsx": true
    },
    "sourceType": "module"
  },
  "plugins": [
    "react"
  ],
  "rules": {
    "react/prop-types": 0,
    "react/jsx-uses-vars": [
      2
    ],
    "react/jsx-no-undef": "error",
    "no-console": 0,
    // allow paren-less arrow functions
    "arrow-parens": 0,
    // allow async-await
    "generator-star-spacing": 0,
    // Trailing comma
    "comma-dangle": ["error", "always-multiline"],
    "no-unused-vars": ["error", { "varsIgnorePattern": "(React)" }]
  }
}