add _setup.yml

Author: YosukeMiyata

.github/workflows/_setup.yml

@@ -0,0 +1,38 @@
+on: workflow_call
+
+jobs:
+  install:
+    runs-on: ubuntu-latest
+    outputs:
+      yarn-cache-dir: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+    steps:
+      - uses: actions/checkout@v4
+      - id: yarn-cache-dir-path
+        run: echo "dir=$(yarn config get cacheFolder)" >> $GITHUB_OUTPUT
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20.x
+      - uses: actions/cache@v4
+        id: yarn-cache
+        with:
+          path: |
+            ${{ github.workspace }}/node_modules
+            ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-${{ hashFiles('**/yarn.lock') }}-nodemodules
+      - name: Install packages
+        if: steps.yarn-cache.outputs.cache-hit != 'true'
+        run: yarn install --immutable
+
+  check:
+    runs-on: ubuntu-latest
+    needs: install
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/cache@v4
+        with:
+          path: |
+            ${{ github.workspace }}/node_modules
+            ${{ needs.install.outputs.yarn-cache-dir }}
+          key: ${{ runner.os }}-${{ hashFiles('**/yarn.lock') }}-nodemodules
+      - name: tsc/lint/format check
+        run: yarn tsc && yarn run biome ci .