add eslint action

Author: pchalupa

.github/actions/eslint/action.yml

@@ -0,0 +1,17 @@
+name: ESLint
+description: 'ESlint with caching'
+
+runs:
+  using: composite
+  steps:
+    - name: Cache ESLint
+      uses: actions/cache@v4
+      with:
+        path: .eslintcache
+        key: eslint-cache-${{ runner.os }}-${{ hashFiles('eslint.config.mjs', 'package.json', 'pnpm-lock.yaml') }}
+        restore-keys: |
+          eslint-cache-${{ runner.os }}-
+
+    - name: Run ESLint
+      shell: bash
+      run: pnpm lint --max-warnings=0 --cache

.github/workflows/ci-code-quality.yml

@@ -11,16 +11,8 @@ jobs:
       - uses: actions/checkout@v5
       - uses: ./.github/actions/setup
 
-      - name: Cache ESLint
-        uses: actions/cache@v4
-        with:
-          path: .eslintcache
-          key: eslint-cache-${{ runner.os }}-${{ hashFiles('eslint.config.mjs', 'package.json', 'pnpm-lock.yaml') }}
-          restore-keys: |
-            eslint-cache-${{ runner.os }}-
-
-      - name: Run ESLint
-        run: pnpm lint --max-warnings=0 --cache
+      - name: Run ESlint
+        uses: ./.github/actions/eslint
 
       - name: Run Spellcheck
         run: pnpm spellcheck