Store node_modules generated by CI script as an artifact

Author: Brian Vaughn

.circleci/config.yml

@@ -40,3 +40,6 @@ jobs:
           key: v1-node-{{ arch }}-{{ .Branch }}-{{ checksum "yarn.lock" }}
           paths:
             - node_modules
+
+      - store_artifacts:
+          path: $CIRCLE_WORKING_DIRECTORY/build/node_modules.tar.gz

scripts/circleci/test_entry_point.sh

@@ -30,6 +30,7 @@ if [ $((2 % CIRCLE_NODE_TOTAL)) -eq "$CIRCLE_NODE_INDEX" ]; then
   COMMANDS_TO_RUN+=('yarn test-build-prod --maxWorkers=2')
   COMMANDS_TO_RUN+=('node ./scripts/tasks/danger')
   COMMANDS_TO_RUN+=('./scripts/circleci/upload_build.sh')
+  COMMANDS_TO_RUN+=('tar -zcvf @build/node_modules.tar.gz @build/node_modules')
 fi
 
 if [ $((3 % CIRCLE_NODE_TOTAL)) -eq "$CIRCLE_NODE_INDEX" ]; then