feat(eslint): unused vars are error now

.github/workflows/eslint-config-release.yml

@@ -0,0 +1,40 @@
+name: Release eslint-config
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - TypeScript/eslint/**
+  workflow_dispatch:
+
+jobs:
+  release:
+    name: Release eslint-config
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: TypeScript/eslint
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Use Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Install Dependencies
+        run: npm install
+
+      - name: Create Release Pull Request or Publish to npm
+        uses: changesets/action@v1
+        with:
+          version: npm run changeset version
+          publish: npm run release
+          cwd: ./TypeScript/eslint
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+          createGithubReleases: false

TypeScript/eslint/.changeset/README.md

@@ -0,0 +1,8 @@
+# Changesets
+
+Hello and welcome! This folder has been automatically generated by `@changesets/cli`, a build tool that works
+with multi-package repos, or single-package repos to help you version and publish your code. You can
+find the full documentation for it [in our repository](https://github.com/changesets/changesets)
+
+We have a quick list of common questions to get you started engaging with this project in
+[our documentation](https://github.com/changesets/changesets/blob/main/docs/common-questions.md)

TypeScript/eslint/.changeset/config.json

@@ -0,0 +1,11 @@
+{
+  "$schema": "https://unpkg.com/@changesets/[email protected]/schema.json",
+  "changelog": "@changesets/cli/changelog",
+  "commit": false,
+  "fixed": [],
+  "linked": [],
+  "access": "public",
+  "baseBranch": "main",
+  "updateInternalDependencies": "patch",
+  "ignore": []
+}

TypeScript/eslint/.changeset/lazy-carrots-explode.md

@@ -0,0 +1,5 @@
+---
+'@croquiscom/eslint-config': minor
+---
+
+unused vars are error now

TypeScript/eslint/index.js

@@ -105,10 +105,10 @@ module.exports = {
     // 불필요한 조건문 / operators를 사용하지 않는다
     '@typescript-eslint/no-unnecessary-condition': ['error', { allowConstantLoopConditions: true }],
 
-    // 사용하지 않는 변수를 경고한다. 단 _로 시작하는 변수는 무시한다.
+    // 사용하지 않는 변수를 허용하지 않는다. 단 _로 시작하는 변수는 무시한다.
     'no-unused-vars': 'off',
     '@typescript-eslint/no-unused-vars': [
-      'warn',
+      'error',
       {
         ignoreRestSiblings: true,
         varsIgnorePattern: '^_',