WIP: Add build-node-v12 job to CircleCI

.circleci/config.yml

@@ -18,6 +18,9 @@ workflows:
       - test:
           requires:
             - build
+      - test-node-v12:
+          requires:
+            - build-node-v12
       - test-chrome:
           requires:
             - build
@@ -69,6 +72,51 @@ jobs:
               git diff
               exit 1
             fi
+  build-node-v12:
+    docker:
+      - image: circleci/node:12-buster
+        environment:
+          SES_ENABLED: 1
+    steps:
+      - run:
+          name: Install Git Large File Storage (LFS)
+          command: sudo apt-get install git-lfs
+      - checkout
+      - run:
+          name: Version information
+          command: echo "node $(node --version)"; echo "yarn $(yarn --version)"
+      - restore_cache:
+          name: Restore Yarn Package Cache
+          keys:
+            - yarn-packages-{{ checksum "yarn.lock" }}
+      - run:
+          name: Install libusb
+          command: sudo apt-get install libusb-1.0-0-dev
+      - run:
+          name: Install Dependencies
+          command: yarn install --frozen-lockfile
+      - save_cache:
+          name: Save Yarn Package Cache
+          key: yarn-packages-{{ checksum "yarn.lock" }}
+          paths:
+            - ~/.cache/yarn
+      - run:
+          command: yarn build
+      - persist_to_workspace:
+          root: .
+          paths:
+            - packages/*/build/*
+      - run:
+          name: Check for clean workspace
+          command: |
+            SOURCE_CHANGES=$(git status --porcelain)
+            if [[ -n "$SOURCE_CHANGES" ]]; then
+              echo "Error: repository contains changes."
+              echo "Showing 'git status' and 'git diff' for debugging now:"
+              git status
+              git diff
+              exit 1
+            fi
   test:
     machine:
       # We can't use a containerized environment since it requires remote docker to start custom containers.