.eslintrc.json

{
  "env": {
    "browser": true,
    "es2021": true
  },
  "extends": ["plugin:react/recommended", "airbnb"],
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true
    },
    "ecmaVersion": "latest",
    "sourceType": "module"
  },
  "plugins": ["react"],
  "rules": {
    "react/jsx-filename-extension": [1, { "extensions": [".js", ".jsx"] }],
    "jsx-quotes": [1, "prefer-single"],
    "react/react-in-jsx-scope": "off",
    "react/prop-types": "off",
    "no-unused-expressions": ["error", { "allowShortCircuit": true }],
    "operator-linebreak": ["error", "after"],
    "max-len": ["error", { "code": 400 }],
    "comma-dangle": ["error", "never"],
    "no-prototype-builtins": "off",
    "no-nested-ternary": "off",
    "no-param-reassign": "off",
    "no-undef": "off",
    "no-use-before-define": [
      "error",
      {
        "allowNamedExports": false,
        "variables": false,
        "functions": true,
        "classes": true
      }
    ]
  }
}