.eslintrc.json

{
  "extends": ["next/core-web-vitals", "plugin:@typescript-eslint/recommended-type-checked", "plugin:import/recommended", "plugin:import/typescript", "prettier"],
  "plugins": ["@typescript-eslint", "unused-imports", "prefer-arrow"],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": "latest",
    "project": "./tsconfig.json",
    "sourceType": "module"
  },
  "rules": {
    "react/function-component-definition": ["error", { "namedComponents": "arrow-function" }],
    "unused-imports/no-unused-imports": "error",
    "unused-imports/no-unused-vars": [
      "error",
      { "vars": "all", "varsIgnorePattern": "^_", "args": "after-used", "argsIgnorePattern": "^_" }
    ],
    "@typescript-eslint/no-unused-vars": "off",
    "@typescript-eslint/no-misused-promises": ["error", { "checksVoidReturn": false }],
    // See: https://zenn.dev/teppeis/articles/2023-04-typescript-5_0-verbatim-module-syntax
    "@typescript-eslint/consistent-type-imports": "error",
    "@typescript-eslint/no-import-type-side-effects": "error",
    "import/order": [
      "error",
      {
        "groups": [
          "builtin",
          "external",
          "internal",
          [
            "index",
            "sibling",
            "parent"
          ],
          "object",
          "type"
        ],
        "pathGroupsExcludedImportTypes": [
          "builtin"
        ],
        "alphabetize": {
          "order": "asc",
          "caseInsensitive": true
        },
        "pathGroups": [
          {
            "pattern": "@",
            "group": "internal",
            "position": "before"
          }
        ]
      }
    ]
  },
  "settings": {
    "import/resolver": {
      "typescript": true
    }
  }
}