.eslintrc.json

{
  "root": true,
  "env": {
    "browser": true,
    "es2021": true
  },
  "extends": ["plugin:react/recommended", "next/core-web-vitals", "prettier"],
  "plugins": ["simple-import-sort", "testing-library", "react"],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true
    },
    "ecmaVersion": 12,
    "sourceType": "module"
  },
  "rules": {
    "simple-import-sort/imports": [
      "warn",
      {
        "groups": [
          [
            "^(assert|buffer|child_process|cluster|console|constants|crypto|dgram|dns|domain|events|fs|http|https|module|net|os|path|punycode|querystring|readline|repl|stream|string_decoder|sys|timers|tls|tty|url|util|vm|zlib|freelist|v8|process|async_hooks|http2|perf_hooks)(/.*|$)"
          ],
          // Packages. `react` related packages come first.
          ["^react", "^next"],
          // Internal packages.
          ["^@(/.*)$"],
          // Side effect imports.
          ["^\\u0000"],
          // Parent imports. Put `..` last.
          ["^\\.\\.(?!/?$)", "^\\.\\./?$"],
          // Other relative imports. Put same-folder imports and `.` last.
          ["^\\./(?=.*/)(?!/?$)", "^\\.(?!/?$)", "^\\./?$"],
          // Style imports.
          ["^.+\\.s?css$", "^.+\\.styles$"]
        ]
      }
    ]
  },
  "overrides": [
    // Only uses Testing Library lint rules in test files
    {
      "files": ["**/__tests__/**/*.[jt]s?(x)", "**/?(*.)+(spec|test).[jt]s?(x)"],
      "extends": ["plugin:testing-library/react"]
    }
  ]
}