.eslintrc.json

{
  "parser": "@typescript-eslint/parser",
  "env": {
    "browser": true,
    "es6": true,
    "jest/globals": true,
    "mocha": true,
    "node": true
  },
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true
    },
    "ecmaVersion": 6,
    "sourceType": "module"
  },
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:jest/recommended",
    "plugin:react/recommended",
    "prettier",
    "prettier/react"
  ],
  "plugins": [
    "@typescript-eslint",
    "eslint-plugin-react",
    "jest",
    "prettier",
    "react-hooks"
  ],
  "rules": {
    "eqeqeq": ["error", "always"],
    "no-console": "warn",
    "no-lonely-if": "error",
    "no-shadow": "warn",
    "no-spaced-func": "error",
    "prettier/prettier": [
      "error",
      {
        "singleQuote": true
      }
    ],
    "react/display-name": "warn",
    "react/no-deprecated": "warn",
    "react/no-string-refs": "warn",
    "react/prop-types": "off",
    "vars-on-top": "error"
  },
  "settings": {
    "react": {
      "version": "detect"
    }
  },
  "overrides": [
    {
      "files": ["*.ts", "*.tsx"],
      "rules": {
        "no-unused-vars": "off"
      }
    }
  ]
}