Downgrade node to v10

dmt0 · dmt0 · commit 3ee8b1a5abef · 2019-12-23T14:03:49.000-05:00
diff --git a/circle.yml b/circle.yml
@@ -3,7 +3,7 @@ jobs:
   build:
     docker:
       # specify the version you desire here
-      - image: circleci/node:12.13.1-browsers
+      - image: circleci/node:10.18.0-browsers
 
     working_directory: ~/react-chart-editor
 
