4. Install step

.circleci/config.yml

@@ -1,6 +1,6 @@
 version: 2.1
 jobs:
-  build:
+  install: &shared-config
     docker:
       - image: cimg/node:14.10.1 # the primary container, where your job's commands are run
         auth:
@@ -9,3 +9,16 @@ jobs:
     steps:
       - checkout # check out the code in the project directory
       - run: yarn global add node-gyp && yarn install
+      - restore_cache:
+          keys:
+            - npm-v1-dependencies-{{ checksum "yarn.lock" }}
+      - run: yarn lint
+      - run: yarn test:ci
+  lint:
+    <<: *shared-config
+    steps:
+      - run: yarn lint && yarn format:check
+  test:
+    <<: *shared-config
+    steps:
+      - run: yarn test:ci