Update merging.yml

.github/workflows/merging.yml

@@ -2,31 +2,16 @@ name: Action for merging
 
 on:
   pull_request:
-    branches: [ main ]
+    types: [closed]
+    branches: [main]
 
 jobs:
-  test:
-    strategy:
-      matrix:
-        node-version: [16.x, 18.x]
-        os: [ubuntu-latest, windows-latest, macos-latest]
-    runs-on: ${{ matrix.os }}
-
+  notify-merge:
+    runs-on: ubuntu-latest
+    if: github.event.pull_request.merged == true
     steps:
-    - uses: actions/checkout@v3
-
-    - name: Cache node modules
-      uses: actions/cache@v2
-      with:
-        path: ~/.npm
-        key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
-        restore-keys: |
-          ${{ runner.os }}-node-
-
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v3
-      with:
-        node-version: ${{ matrix.node-version }}
-
-    - run: npm ci
-    - run: npm run test
+      - name: Get the name of the merged branch
+        id: branch-name
+        run: echo "::set-output name=branch::${{ github.head_ref }}"
+      - name: Print merge message
+        run: echo "Branch ${{ steps.branch-name.outputs.branch }} was merged with main branch."