Publish to NPM in workflow

Author: manisandro

.github/workflows/main.yml

@@ -12,9 +12,25 @@ jobs:
         uses: actions/[email protected]
         with:
           node-version: '20.x'
+          registry-url: 'https://registry.npmjs.org'
 
       - name: Install all required dependencies
-        run: yarn install
+        run: |
+          yarn install
+          sudo apt-get update
+          sudo apt-get -y install jq
+
+      - name: Check package version
+        run: |
+          if [ ${{ startsWith(github.ref, 'refs/tags/') }} = true ]; then
+            VERSION=$(basename ${{ github.ref }})
+            # Abort if version is not the same as in package.json
+            PKGVERSION=$(jq -r '.version' package.json)
+            if [ "$VERSION" != "v$PKGVERSION" ]; then
+              echo "Version mismatch: tag is ${VERSION}, package.json version is ${PKGVERSION}"
+              exit 1
+            fi
+          fi
 
       - name: Compile a deployable application bundle
         run: yarn run prod
@@ -73,3 +89,14 @@ jobs:
           curl -s -H "authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
                 -X DELETE ${{ steps.version_number.outputs.prev_release }}
         if: steps.version_number.outputs.prev_release != ''
+
+
+      - name: Publish to NPM
+        if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
+        run: |
+          npm run dist
+          pushd dist
+          npm publish
+          popd
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}