chore: add eslint-plugin-unused-imports

Author: noritaka1166

.eslintrc

@@ -2,10 +2,11 @@
   "root": true,
   "extends": "next/core-web-vitals",
   "parser": "@typescript-eslint/parser",
-  "plugins": ["@typescript-eslint", "eslint-plugin-react-compiler"],
+  "plugins": ["@typescript-eslint", "eslint-plugin-react-compiler", "unused-imports"],
   "rules": {
     "no-unused-vars": "off",
     "@typescript-eslint/no-unused-vars": ["error", {"varsIgnorePattern": "^_"}],
+    "unused-imports/no-unused-imports": "error",
     "react-hooks/exhaustive-deps": "error",
     "react/no-unknown-property": ["error", {"ignore": ["meta"]}],
     "react-compiler/react-compiler": "error"

package.json

@@ -72,6 +72,7 @@
     "eslint-plugin-react": "7.x",
     "eslint-plugin-react-compiler": "^19.0.0-beta-e552027-20250112",
     "eslint-plugin-react-hooks": "^0.0.0-experimental-fabef7a6b-20221215",
+    "eslint-plugin-unused-imports": "^1.1.5",
     "fs-extra": "^9.0.1",
     "globby": "^11.0.1",
     "gray-matter": "^4.0.2",

yarn.lock

@@ -3471,6 +3471,18 @@ eslint-plugin-react@^7.23.1:
     semver "^6.3.1"
     string.prototype.matchall "^4.0.11"
 
+eslint-plugin-unused-imports@^1.1.5:
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-unused-imports/-/eslint-plugin-unused-imports-1.1.5.tgz#a2b992ef0faf6c6c75c3815cc47bde76739513c2"
+  integrity sha512-TeV8l8zkLQrq9LBeYFCQmYVIXMjfHgdRQLw7dEZp4ZB3PeR10Y5Uif11heCsHRmhdRIYMoewr1d9ouUHLbLHew==
+  dependencies:
+    eslint-rule-composer "^0.3.0"
+
+eslint-rule-composer@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/eslint-rule-composer/-/eslint-rule-composer-0.3.0.tgz#79320c927b0c5c0d3d3d2b76c8b4a488f25bbaf9"
+  integrity sha512-bt+Sh8CtDmn2OajxvNO+BX7Wn4CIWMpTRm3MaiKPCQcnnlm0CS2mhui6QaoeQugs+3Kj2ESKEEGJUdVafwhiCg==
+
 eslint-scope@^5.1.1:
   version "5.1.1"
   resolved "https://registry.npmjs.org/eslint-scope/-/eslint-scope-5.1.1.tgz"