.eslintrc.json

{
  "extends": [
    "airbnb",
    "next",
    "prettier",
    "next/core-web-vitals"
  ],
  "rules": {
    "import/extensions": "off",
    "react/jsx-filename-extension": [
      1,
      {
        "extensions": [
          ".jsx",
          ".tsx"
        ]
      }
    ],
    "react/jsx-props-no-spreading": "off",
    "import/order": [
      "error",
      {
        "groups": [
          "builtin",
          "external",
          "parent",
          "sibling",
          "index",
          "object",
          "type"
        ],
        "pathGroups": [
          {
            "pattern": "{react,react-dom/**,react-router-dom}",
            "group": "builtin",
            "position": "before"
          },
          {
            "pattern": "{next,next/**,@next/**}",
            "group": "external",
            "position": "before"
          },
          {
            "pattern": "@/**",
            "group": "parent",
            "position": "before"
          }
        ],
        "pathGroupsExcludedImportTypes": [
          "builtin"
        ],
        "alphabetize": {
          "order": "asc"
        },
        "newlines-between": "always"
      }
    ],
    "import/no-extraneous-dependencies": [
      "error",
      {
        "devDependencies": true,
        // devDependenciesのimportを禁止
        "optionalDependencies": false
      }
    ],
    "no-unused-vars": "off"
  },
  "env": {
    "jest": true
  },
  // テストファイルのみ global-require を許可
  "overrides": [
    {
      "files": [
        "**/*.test.ts",
        "**/*.test.tsx",
        "**/*.spec.ts",
        "**/*.spec.tsx"
      ],
      "rules": {
        "global-require": "off"
      }
    }
  ]
}