Update CircleCI configs to support auto publishing based on tags

.circleci/config.yml

@@ -1,33 +1,81 @@
-version: 2
+version: 2.1
+
+commands:
+  install:
+    description: 'Yarn install'
+    steps:
+      - restore_cache: # Special step to restore the dependency cache
+          key: dependency-cache-{{ checksum "package.json" }}
+      - run: yarn install
+      - save_cache:
+          key: dependency-cache-{{ checksum "package.json" }}
+          paths:
+            - node_modules
+            - yarn.lock
+
 jobs:
-  build:
+  lint:
+    working_directory: ~/repo
     docker:
       - image: circleci/node:12.10
     steps:
       - checkout
-      - restore_cache:
-          name: Restore Yarn Package Cache
-          keys:
-            - yarn-packages-{{ .Branch }}-{{ checksum "yarn.lock" }}
-            - yarn-packages-{{ .Branch }}
-            - yarn-packages-master
-            - yarn-packages-
-      - run:
-          name: Install Dependencies
-          command: yarn install
-      - save_cache:
-          name: Save Yarn Package Cache
-          key: yarn-packages-{{ .Branch }}-{{ checksum "yarn.lock" }}
-          paths:
-            - node_modules/
-      # Tests
+      - install
       - run: yarn lint
+  test:
+    working_directory: ~/repo
+    docker:
+      - image: circleci/node:12.10
+    steps:
+      - checkout
+      - install
       - run: yarn test
+  build:
+    working_directory: ~/repo
+    docker:
+      - image: circleci/node:12.10
+    steps:
+      - checkout
+      - install
       - run: yarn build
-      # Teardown
-      - store_test_results:
-          path: /tmp/circleci-test-results
-      - store_artifacts:
-          path: /tmp/circleci-artifacts
-      - store_artifacts:
-          path: /tmp/circleci-test-results
+  publish:
+    working_directory: ~/repo
+    docker:
+      - image: circleci/node:12.10
+    steps:
+      - checkout
+      - attach_workspace:
+          # Must be absolute path or relative path from working_directory
+          at: ~/repo
+      - install
+      - run:
+          name: Authenticate with registry
+          command: echo "//registry.npmjs.org/:_authToken=$NPM_TOKEN" > ~/repo/.npmrc
+      - run: npm publish
+
+workflows:
+  version: 2
+  deploy:
+    jobs:
+      - lint:
+          filters:
+            tags:
+              only: /.*/
+      - test:
+          filters:
+            tags:
+              only: /.*/
+      - build:
+          filters:
+            tags:
+              only: /.*/
+      - publish:
+          requires:
+            - lint
+            - test
+            - build
+          filters:
+            branches:
+              ignore: /.*/
+            tags:
+              only: /v[0-9]+\.[0-9]+\.[0-9]+.*/

CHANGELOG.md

@@ -6,6 +6,7 @@
 
 - Dependencies to their latest versions
 - CircleCI node version to 12.10
+- CircleCI configs to support auto publishing based on tags
 
 ## Change