fix: add client folder existence check in frontend CI

Author: MuhammadTahaNasir

.github/workflows/ci-frontend.yml

@@ -5,47 +5,38 @@ on: [push, pull_request]
 jobs:
   build-frontend:
     runs-on: ubuntu-latest
-    defaults:
-      run:
-        working-directory: client  # Default folder; users can change this
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
           node-version: 20
 
-      # Check if client folder exists
-      - name: Check client folder existence
-        id: check_client
+      # Only run if client folder exists
+      - name: Check for client folder and install dependencies
+        if: ${{ exists('client') }}
         run: |
-          if [ -d "./client" ]; then
-            echo "folder_exists=true" >> $GITHUB_OUTPUT
-          else
-            echo "folder_exists=false" >> $GITHUB_OUTPUT
-          fi
+          cd client
+          npm install
 
-      # Run install & build only if client folder exists
-      - name: Install dependencies
-        if: steps.check_client.outputs.folder_exists == 'true'
-        run: npm install
-
-      - name: Run lint
-        if: steps.check_client.outputs.folder_exists == 'true'
-        run: npm run lint
+      - name: Run lint if client folder exists
+        if: ${{ exists('client') }}
+        run: |
+          cd client
+          npm run lint
 
-      - name: Run build
-        if: steps.check_client.outputs.folder_exists == 'true'
-        run: npm run build
+      - name: Run build if client folder exists
+        if: ${{ exists('client') }}
+        run: |
+          cd client
+          npm run build
 
   deploy-vercel:
     runs-on: ubuntu-latest
     needs: build-frontend
-    if: needs.build-frontend.outputs.folder_exists == 'true'  # Deploy only if build ran
     steps:
-      - uses: actions/checkout@v4
       - uses: amondnet/vercel-action@v25
         with:
-          vercel-token: ${{ secrets.VERCEL_TOKEN }}           # Must add in repo secrets
-          vercel-org-id: ${{ secrets.VERCEL_ORG_ID }}         # Must add in repo secrets
-          vercel-project-id: ${{ secrets.VERCEL_PROJECT_ID }} # Must add in repo secrets
-          working-directory: ./client  # Default, can be changed by user
+          vercel-token: ${{ secrets.VERCEL_TOKEN }}
+          vercel-org-id: ${{ secrets.VERCEL_ORG_ID }}
+          vercel-project-id: ${{ secrets.VERCEL_PROJECT_ID }}
+          working-directory: ./client