.eslintrc.json

{
  "env": {
    "browser": true,
    "es6": true,
    "commonjs": true,
    "node": true,
    "mocha": true,
    "jest": true
  },
  "settings": {
    "react": {
      "pragma": "React",
      "version": "16.6"
    }
  },
  "extends": ["eslint:recommended", "plugin:react/recommended"],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 2017,
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true,
      "globalReturn": true,
      "generators": false,
      "objectLiteralDuplicateProperties": false,
      "experimentalObjectRestSpread": true,
      "legacyDecorators": true
    }
  },
  "plugins": ["react", "react-hooks", "@typescript-eslint/eslint-plugin"],
  "globals": {
    "process": true
  },
  "rules": {
    "react-hooks/rules-of-hooks": "error",
    "react-hooks/exhaustive-deps": "warn",
    "max-len": ["error", 240],
    "no-mixed-operators": "off",
    "quote-props": ["error", "as-needed"],
    "no-undef": 1,
    "no-extra-semi": 1,
    "no-trailing-spaces": [
      1,
      {
        "skipBlankLines": true
      }
    ],
    "no-unreachable": 1,
    "prefer-arrow-callback": "error",
    "react/jsx-filename-extension": [
      1,
      {
        "extensions": [".js", ".jsx", ".ts", ".tsx"]
      }
    ],
    "strict": "off",
    "padded-blocks": "off",
    "comma-dangle": "off",
    "no-param-reassign": "off",
    "arrow-body-style": 0,
    "no-underscore-dangle": "off",
    "no-else-return": "off",
    "no-unused-vars": 0,
    "require-atomic-updates": 0,
    "dot-notation": "off",
    "prefer-template": 1,
    "indent": [
      "error",
      2,
      {
        "ignoredNodes": ["JSXElement"],
        "SwitchCase": 1
      }
    ],
    "linebreak-style": ["error", "unix"],
    "semi": ["error", "always"],
    "no-console": 0,
    "react/jsx-uses-react": 2,
    "react/jsx-uses-vars": 2,
    "react/react-in-jsx-scope": 2,
    "react/prop-types": 0
  }
}