.eslintrc.json

{
  "env": {
    "es6": true,
    "node": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended"
  ],
  "parserOptions": {
    "sourceType": "module",
    "ecmaVersion": 2020,
    "ecmaFeatures": {
      "jsx": true
    }
  },
  "rules": {
    "comma-dangle": 2,
    "eqeqeq": 2,
    "guard-for-in": 2,
    "new-cap": 0,
    "no-caller": 2,
    "no-console": 2,
    "no-extend-native": 2,
    "no-irregular-whitespace": 2,
    "no-loop-func": 2,
    "no-multi-spaces": 2,
    "no-multiple-empty-lines": [2, {"max": 1}],
    "no-undef": 2,
    "no-underscore-dangle": 0,
    "no-unused-vars": 2,
    "no-var": 2,
    "one-var": [2, "never"],
    "quotes": [2, "single"],
    "react/prop-types": 0,
    "react/react-in-jsx-scope": 0,
    "semi": 2,
    "space-before-function-paren": 2,
    "spaced-comment": 2,
    "strict": [2, "global"],
    "wrap-iife": 2
  }
}