wip

.github/workflows/test.yml

@@ -12,18 +12,35 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v2
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
         with:
           node-version: 18
+          cache: yarn
+
+      - name: Get Yarn cache directory path
+        id: yarn-cache-dir-path
+        run: echo "dir=$(yarn config get cacheFolder)" >> $GITHUB_OUTPUT
+
+      - uses: actions/cache@v3
+        id: yarn-cache
+        with:
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-
+
+      - name: Install dependencies
+        run: yarn install --immutable
 
-      - name: install, build, and test
-        run: |
-          yarn install
-          yarn build
-          yarn test
-        env:
-          CI: true
+      - name: Build
+        run: yarn build
+
+      - name: Test
+        run: yarn test
 
       - name: Upload coverage reports to Codecov
         uses: codecov/codecov-action@v3