.eslintrc.json

{
  "plugins": ["@typescript-eslint", "sonarjs"],
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:import/recommended",
    "plugin:import/typescript",
    "plugin:react-hooks/recommended",
    "plugin:react/jsx-runtime",
    "plugin:@next/next/recommended",
    "plugin:storybook/recommended"
  ],
  "settings": {
    "import/resolver": {
      // You will also need to install and configure the TypeScript resolver
      // See also https://github.com/import-js/eslint-import-resolver-typescript#configuration
      "typescript": true,
      "node": true
    },
    "import/parsers": {
      "@typescript-eslint/parser": [".ts", ".tsx"]
    }
  },
  "rules": {
    // eslint basic
    "no-undef": "off",
    "no-console": "error",
    "no-unused-vars": "off",
    "strict": ["error", "global"],
    "consistent-return": "error",
    "no-else-return": "error",
    "no-param-reassign": [
      "error",
      { "props": true, "ignorePropertyModificationsFor": ["acc"] }
    ],
    "no-use-before-define": "error",
    "object-shorthand": "error",
    "prefer-const": "error",
    "eqeqeq": "error",
    "semi": "error",

    "@typescript-eslint/consistent-type-imports": [
      "error",
      {
        "disallowTypeAnnotations": true,
        "fixStyle": "separate-type-imports",
        "prefer": "type-imports"
      }
    ],
    "@typescript-eslint/no-empty-object-type": "off",
    "sonarjs/no-duplicate-string": ["error", { "threshold": 3 }],
    "sonarjs/cognitive-complexity": ["error", 27],
    "react/jsx-no-useless-fragment": [
      "error",
      {
        "allowExpressions": true
      }
    ],
    "import/consistent-type-specifier-style": ["error", "prefer-top-level"],
    "import/order": [
      "error",
      {
        "groups": [
          "external",
          "builtin",
          "internal",
          "sibling",
          "parent",
          "index"
        ],
        "pathGroups": [
          {
            "pattern": "components",
            "group": "internal"
          },
          {
            "pattern": "common",
            "group": "internal"
          },
          {
            "pattern": "routes/ **",
            "group": "internal"
          },
          {
            "pattern": "assets/**",
            "group": "internal",
            "position": "after"
          }
        ],
        "pathGroupsExcludedImportTypes": ["internal"],
        "alphabetize": {
          "order": "asc",
          "caseInsensitive": true
        }
      }
    ],
    "import/no-named-as-default": "off",
    "import/no-named-as-default-member": "off",
    "import/namespace": "off"
  },
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": ["./tsconfig.json"]
  }
}