Add node setup, npm run lint and test

.github/workflows/standards-and-tests.yml

@@ -32,6 +32,11 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v2
 
+      - name: Install Node
+        uses: actions/setup-node@v2
+        with:
+          node-version: '14'
+
       - name: Start required services
         run: sudo systemctl start mysql.service
 
@@ -41,6 +46,12 @@ jobs:
           path: vendor
           key: php-${{ matrix.php }}-composer-${{ hashFiles('**/composer.lock') }}
 
+      - name: Cache node modules
+        uses: actions/cache@v2
+        with:
+          path: node_modules
+          key: ${{ runner.OS }}-build-${{ hashFiles('**/package-lock.json') }}
+
       - name: Setup PHP with Composer 2
         uses: shivammathur/setup-php@v2
         with:
@@ -53,6 +64,14 @@ jobs:
           export PATH="$HOME/.composer/vendor/bin:$PATH"
           composer install --no-interaction
 
+      - name: Run Lint
+        run: npm run lint
+        if: matrix.experimental == false
+
+      - name: Run Frontend Tests
+        run: npm run test
+        if: matrix.experimental == false
+
       - name: Run PHP CodeSniffer
         run: composer standards