build: use correct version in pypackage.toml and add dry-run

.github/workflows/test.yml

@@ -41,7 +41,8 @@ jobs:
           cp ipyvuetify/components.py ipyvuetify/components-previous.py
           python -m ipyvuetify.components
           diff ipyvuetify/components.py ipyvuetify/components-previous.py
-
+      - name: Package js
+        run: (cd js && npm pack)
       - name: Upload build artifacts
         uses: actions/upload-artifact@v3
         with:
@@ -105,9 +106,34 @@ jobs:
           name: ipyvuetify-test-results
           path: test-results
 
+  release-dry-run:
+    needs: [test]
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/download-artifact@v3
+        with:
+          name: ipyvuetify-dist-${{ github.run_number }}
+
+      - name: Install node
+        uses: actions/setup-node@v3
+        with:
+          node-version: "18.x"
+          registry-url: "https://registry.npmjs.org"
+      #      No --dry-run available for twine
+      #      - name: Publish the Python package
+      - name: Publish the NPM package
+        run: |
+          cd js
+          echo $PRE_RELEASE
+          if [[ $PRE_RELEASE == "true" ]]; then export TAG="next"; else export TAG="latest"; fi
+          npm publish --dry-run --tag ${TAG} --access public *.tgz
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+          PRE_RELEASE: ${{ github.event.release.prerelease }}
+
   release:
     if: startsWith(github.event.ref, 'refs/tags/v')
-    needs: [test]
+    needs: [release-dry-run]
     runs-on: ubuntu-20.04
     steps:
       - uses: actions/download-artifact@v3

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "ipyvuetify"
-version = "3.0.0.dev0"
+version = "3.0.0.alpha1"
 description="Jupyter widgets based on vuetify UI components"
 requires-python = ">=3.6"
 dependencies = ["ipyvue==3.0.0.alpha1"]