Deploy on merge to main (#16)

.github/workflows/deploy.yml

@@ -1,31 +1,57 @@
-name: Deploy to GitHub Pages
+name: Build & deploy
 
 on:
   push:
     branches:
       - main
+  pull_request:
+    branches:
+      - main
 
 jobs:
-  build-and-deploy:
+  build:
+    name: Build
     runs-on: ubuntu-latest
+
     steps:
-    - name: Checkout Repository
-      uses: actions/checkout@v2
-
-    - name: Install Node.js
-      uses: actions/setup-node@v2
-      with:
-        node-version: '20'
-
-    - name: Install Dependencies
-      run: npm install
-
-    - name: Build
-      run: npm run build
-
-    - name: Deploy
-      uses: JamesIves/github-pages-deploy-action@4.1.4
-      with:
-        branch: gh-pages
-        folder: build
-        token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Installing Node.js
+        uses: actions/setup-node@v1
+        with:
+          node-version: 20.x
+
+      - name: Installing NPM packages
+        run: npm ci
+
+      - name: Building project
+        run: npm run build
+
+      - name: Running tests
+        run: npm run test
+
+      - name: Uploading production-ready build files
+        uses: actions/upload-artifact@v2
+        with:
+          name: production-files
+          path: ./build
+
+  deploy:
+    name: Deploy
+    needs: build
+    runs-on: ubuntu-latest
+    if: github.ref == 'refs/heads/main'
+
+    steps:
+      - name: Downloading artifact
+        uses: actions/download-artifact@v2
+        with:
+          name: production-files
+          path: ./build
+
+      - name: Deploying to gh-pages
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./build