Add Circle CI

.circleci/config.yml

@@ -0,0 +1,35 @@
+# Javascript Node CircleCI 2.0 configuration file
+#
+# Check https://circleci.com/docs/2.0/language-javascript/ for more details
+#
+version: 2
+jobs:
+  build:
+    docker:
+      # specify the version you desire here
+      - image: circleci/node:6.11
+        environment:
+          NODE_ENV: 'test'
+
+    working_directory: ~/repo
+
+    steps:
+      - checkout
+      - run:
+          name: Setup Environment Variables
+          command: |
+            echo 'export NODE_ENV="test"' >> $BASH_ENV
+      # 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-
+      - run: npm install
+      - save_cache:
+          paths:
+            - node_modules
+          key: v1-dependencies-{{ checksum "package.json" }}
+
+      # run tests!
+      - run: npm test