Create build.yml

Author: MoOx

workflows/build.yml

@@ -0,0 +1,29 @@
+name: Build
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version:
+          - 10.x
+          - 12.x
+
+    steps:
+      - uses: actions/checkout@v1
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: Install
+        run: |
+          yarn install \
+            --non-interactive \
+            --frozen-lockfile
+      - name: Test
+        run: yarn test
+        env:
+          CI: true