.eslintrc

{
  "parser": "@typescript-eslint/parser",
  "plugins": ["@typescript-eslint", "prettier"],
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended",
    "plugin:react-hooks/recommended",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended",
    "prettier/prettier"
  ],
  "settings": {
    "react": {
      "version": "17.0.2"
    }
  },
  "env": {
    "browser": true,
    "node": true,
    "es6": true
  },
  "rules": {
    "react/require-default-props": 0,
    "prettier/prettier": "error",
    "react/jsx-filename-extension": [1, { "extensions": [".jsx", ".tsx"] }],
    "import/prefer-default-export": 0,
    "react/jsx-props-no-spreading": 0,
    "@typescript-eslint/no-unused-vars": [
      "error",
      { "argsIgnorePattern": "^_", "varsIgnorePattern": "^_" }
    ],
    "jsx-a11y/label-has-associated-control": 0,
    "jsx-a11y/control-has-associated-label": 0,
    "dot-notation": 0,
    "react/jsx-one-expression-per-line": 0,
    "no-use-before-define": 0,
    "no-undef": 0,
    "react/jsx-uses-react": 2,
    "react/react-in-jsx-scope": "off",
    "react/prop-types": "off",
    "no-nested-ternary": "off",
    "no-unused-vars": "off"
  },
  "overrides": [
    {
      "files": [
        "app/javascript/src/**/*.test.ts",
        "app/javascript/src/**/*.test.tsx"
      ],
      "env": {
        "jest": true
      }
    },
    {
      "files": ["*.tsx", "*.ts", ".js"],
      "env": {
        "node": true
      }
    }
  ]
}