Circle ci integration

.circleci/config.yml

@@ -0,0 +1,35 @@
+version: 2 
+jobs:
+  build:
+    working_directory: ~
+    docker: 
+      - image: circleci/node:4.8.2 
+    steps:
+      - checkout
+      - run:
+          name: update-npm
+          command: 'sudo npm install -g npm@latest'
+      - restore_cache:
+          key: dependency-cache-{{ checksum "package.json" }}
+      - run:
+          name: install-npm-wee
+          command: npm install
+      - save_cache: 
+          key: dependency-cache-{{ checksum "package.json" }}
+          paths:
+            - ./node_modules
+      - run:
+          name: test
+          command: npm test
+      - run: 
+          name: code-coverage
+          command: './node_modules/.bin/nyc report --reporter=text-lcov'
+      - store_artifacts: 
+          path: test-results.xml
+          prefix: tests
+      - store_artifacts: 
+          path: coverage
+          prefix: coverage
+      - store_test_results:
+          path: test-results.xml
+