ci: use workflows with conditional jobs

.circleci/config.yml

@@ -1,43 +1,62 @@
-# Javascript Node CircleCI 2.0 configuration file
-#
-# Check https://circleci.com/docs/2.0/language-javascript/ for more details
-#
 version: 2
 jobs:
-  build:
+  test:
     docker:
-      # specify the version you desire here
       - image: circleci/node:10.5.0-jessie
-
-      # Specify service dependencies here if necessary
-      # CircleCI maintains a library of pre-built images
-      # documented at https://circleci.com/docs/2.0/circleci-images/
-      # - image: circleci/mongo:3.4.4
-
     working_directory: ~/repo
-
     steps:
       - checkout
-
-      # 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 run test
 
-      # deploy to netlify
+  deploy:
+    docker:
+      - image: circleci/node:10.5.0-jessie
+    working_directory: ~/repo
+    steps:
+      - checkout
+      - restore_cache:
+          keys:
+            - v1-dependencies-{{ checksum "package.json" }}
+            - v1-dependencies-
+      - run: npm install
       - run: npm run deploy
 
-      # release
+  release:
+    docker:
+      - image: circleci/node:10.5.0-jessie
+    working_directory: ~/repo
+    steps:
+      - checkout
+      - restore_cache:
+          keys:
+            - v1-dependencies-{{ checksum "package.json" }}
+            - v1-dependencies-
+      - run: npm install
       - run: npx semantic-release
+
+workflows:
+  version: 2
+  test-deploy-release:
+    jobs:
+      - test
+      - deploy:
+          requires:
+            - test
+          filters:
+            branches:
+              only: master
+      - release:
+          requires:
+            - test
+          filters:
+            branches:
+              only: master