added initial test

.circleci/config.yml

@@ -1,4 +1,79 @@
+# job_environment will setup the environment for any job being executed.
+job_environment: &job_environment
+  NODE_ENV: test
+
+# job_defaults applies all the defaults for each job.
+job_defaults: &job_defaults
+  working_directory: ~/coralproject/talk
+  docker:
+    - image: circleci/node:8
+  environment:
+    <<: *job_environment
+
 version: 2
 jobs:
+  # npm_dependencies will install the dependencies used by all other steps.
+  npm_dependencies:
+    <<: *job_defaults
+    steps:
+      - checkout
+      - attach_workspace:
+          at: ~/coralproject/talk
+      - restore_cache:
+          key: dependency-cache-{{ checksum "package-lock.json" }}
+      - run:
+          name: Install dependencies
+          command: npm ci
+      - save_cache:
+          key: dependency-cache-{{ checksum "package-lock.json" }}
+          paths:
+            - ./node_modules
+      - persist_to_workspace:
+          root: .
+          paths: node_modules
+
+  # lint will perform file linting.
+  lint:
+    <<: *job_defaults
+    steps:
+      - checkout
+      - attach_workspace:
+          at: ~/coralproject/talk
+      - run:
+          name: Perform linting
+          command: npm run lint
+
+  # build will build the static assets and server typescript files.
+  build:
+    <<: *job_defaults
+    steps:
+      - checkout
+      - attach_workspace:
+          at: ~/coralproject/talk
+      - restore_cache:
+          keys:
+            - build-cache-{{ .Branch }}-{{ .Revision }}
+            - build-cache-{{ .Branch }}-
+            - build-cache-
+      - run:
+          name: Build
+          command: npm run build
+      - save_cache:
+          key: build-cache-{{ .Branch }}-{{ .Revision }}
+          paths:
+            - ./dist
+      - persist_to_workspace:
+          root: .
+          paths: dist
+
 workflows:
   version: 2
+  build-and-test:
+    jobs:
+      - npm_dependencies
+      - lint:
+          requires:
+            - npm_dependencies
+      - build:
+          requires:
+            - npm_dependencies