.eslintrc.json

{
  "root": true,
  "env": { "browser": true },
  "parserOptions": { "project": "./tsconfig.json" },
  "extends": [
    "airbnb-typescript",
    "airbnb/hooks",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:jest/recommended",
    "plugin:testing-library/recommended",
    "plugin:testing-library/react",
    "prettier",
    "prettier/@typescript-eslint",
    "prettier/react"
  ],
  "plugins": ["simple-import-sort"],

  "rules": {
    // Auto-sort imports
    "sort-imports": "off",
    "import/order": "off",
    "simple-import-sort/sort": "error",

    // Using a type system makes it safe enough to spread props
    "react/jsx-props-no-spreading": "off",

    // Explicit return types
    "@typescript-eslint/explicit-function-return-type": [
      "error",
      {
        "allowExpressions": true
      }
    ],

    // Remove braces when possible
    "arrow-body-style": ["error"],

    // More lenient rules
    "@typescript-eslint/no-unused-vars": "off",
    "import/prefer-default-export": "off",
    "no-bitwise": "off",
    "no-continue": "off",
    "no-nested-ternary": "off",
    "no-plusplus": "off",

    // Allow array index in keys
    "react/no-array-index-key": "off"
  }
}