.eslintrc

{
  "parserOptions": {
    "project": true,
    "tsconfigRootDir": ".",
    "sourceType": "module",
    "ecmaVersion": 2020,
    "ecmaFeatures": {
      "jsx": true
    }
  },
  "parser": "@typescript-eslint/parser",
  "env": { "es6": true },
  "plugins": [
    "simple-import-sort",
    "react",
    "import",
    "@typescript-eslint",
    "jsx-a11y"
  ],
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended",
    "plugin:import/recommended",
    "plugin:react/jsx-runtime",
    "plugin:@typescript-eslint/recommended",
    "plugin:@typescript-eslint/stylistic",
    "plugin:jsx-a11y/recommended"
  ],
  "rules": {
    "simple-import-sort/imports": "warn",
    "simple-import-sort/exports": "warn",
    "import/no-unresolved": "error",
    "@typescript-eslint/no-unnecessary-type-assertion": "off",
    "@typescript-eslint/no-unused-vars": "warn",
    "@typescript-eslint/no-explicit-any": "warn"
  },
  "overrides": [
    // override "simple-import-sort" config
    {
      "files": ["*.js", "*.jsx", "*.ts", "*.tsx"],
      "rules": {
        "simple-import-sort/imports": [
          "warn",
          {
            "groups": [
              // Packages `react` related packages come first.
              ["^react", "^@?\\w"],
              // Internal packages.
              ["^(@pages)(/.*|$)"],
              ["^(@layouts)(/.*|$)"],
              ["^(@components)(/.*|$)"],
              ["^(@utils)(/.*|$)"],
              ["^(@constants)(/.*|$)"],
              ["^(@data)(/.*|$)"],
              ["^(@hooks)(/.*|$)"],
              ["^(@customTypes)(/.*|$)"],
              ["^(@styles)(/.*|$)"],
              ["^(@assets)(/.*|$)"],
              // Side effect imports.
              ["^\\u0000"],
              // Parent imports. Put `..` last.
              ["^\\.\\.(?!/?$)", "^\\.\\./?$"],
              // Other relative imports. Put same-folder imports and `.` last.
              ["^\\./(?=.*/)(?!/?$)", "^\\.(?!/?$)", "^\\./?$"],
              // Style imports.
              ["/(css)/?\\w+$", "^.+\\.?(css)$", "^.+\\.?(styled).ts$"]
            ]
          }
        ],
        "import/newline-after-import": ["warn", { "count": 2 }] // using "warn" and not "error" because prettier annoyingly removes the second blank line
      }
    }
  ],
  "settings": {
    "import/resolver": {
      "typescript": true,
      "node": true,
      "alwaysTryTypes": true // always try to resolve types under `<root>@types` directory even it doesn't contain any source code, like `@types/unist`
    },
    "react": {
      "version": "detect"
    }
  }
}