enable circleci cache

Signed-off-by: Niels van Galen Last <[email protected]>

.circleci/config.yml

@@ -20,18 +20,18 @@ jobs:
             - checkout
 
             # Download and cache dependencies
-            # - restore_cache:
-            #       keys:
-            #           - v1-dependencies-{{ checksum "package.json" }}
-            #           # fallback to using the latest cache if no exact match is found
-            #           - v1-dependencies-
+            - restore_cache:
+                  keys:
+                      - v1-dependencies-{{ checksum "package.json" }}
+                      # fallback to using the latest cache if no exact match is found
+                      - v1-dependencies-
 
             - run: npm install
 
-            # - save_cache:
-            #       paths:
-            #           - node_modules
-            #       key: v1-dependencies-{{ checksum "package.json" }}
+            - save_cache:
+                  paths:
+                      - node_modules
+                  key: v1-dependencies-{{ checksum "package.json" }}
 
             # run tests!
             - run: npm test