Change CircleCI npm caching to be more aggressive

Make sure static files build happens before linting

.circleci/config.yml

@@ -36,20 +36,20 @@ jobs:
     steps:
       - checkout
       - restore_cache:
-          keys:
-            - node-v1-{{ .Branch }}-{{ checksum "package-lock.json" }}
-            - node-v1-{{ .Branch }}-
-            - node-v1-
-      - run: npm install --no-save
+          key: frontend-v1-{{ checksum "package-lock.json" }}
+      # Only install if node_modules wasn’t cached.
+      - run: |
+            if [[ ! -e "node_modules" ]]; then
+                npm install --no-save --no-optional --no-audit --no-fund --progress=false
+            fi
       - save_cache:
           paths:
-            - ~/project/node_modules/
-          key: node-v1-{{ .Branch }}-{{ checksum "package-lock.json" }}
-      - run: npm run build
+            - node_modules
+          key: frontend-v1-{{ checksum "package-lock.json" }}
+      - run: npm run dist
       - run: npm run lint:js
       - run: npm run lint:css
       - run: npm run test:unit:coverage -- --runInBand
-      - run: npm run dist
       - run: bash <(curl -s https://codecov.io/bash) -F frontend
 
   nightly-build: