Add support for building frontend with npm.

Author: Florian Lorétan

orb.yml

@@ -114,6 +114,38 @@ commands:
             - node_modules
           key: v1-yarn-{{ checksum "yarn.lock" }}
 
+  npm-install-build:
+    parameters:
+      path:
+        type: string
+        default: "."
+      build-command:
+        type: string
+        default: "npm run build"
+
+    steps:
+      - restore_cache:
+          keys:
+            - v1-npm-{{ checksum "<<parameters.path>>/package-lock.json" }}
+            - v1-npm-
+
+      - run:
+          name: Install frontend dependencies
+          command: |
+            cd <<parameters.path>>
+            npm install
+
+      - run:
+          name: Build frontend
+          command: |
+            cd <<parameters.path>>
+            <<parameters.build-command>>
+
+      - save_cache:
+          paths:
+            - <<parameters.path>>/node_modules
+          key: v1-npm-{{ checksum "<<parameters.path>>/package-lock.json" }}
+
   drupal-docker-build:
     steps:
       - setup_remote_docker