Actually add npm packer

.github/workflows/release.yml

@@ -19,4 +19,45 @@ jobs:
       uses: helsingborg-stad/[email protected]
       with:
         php-version: 8.2
-        node-version: 20.6.0
+        node-version: 20.6.0
+  build-assets:
+    needs: ['release']
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Get latest release version
+        id: get-version
+        run: |
+          echo "LATEST_RELEASE=$(curl -s https://api.github.com/repos/${{ github.repository }}/releases/latest | jq -r '.tag_name')" >> $GITHUB_ENV
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Update version in package.json
+        run: |
+          # Read the latest release version from environment variable
+          LATEST_VERSION="${{ env.LATEST_RELEASE }}"
+
+          # Update the "version" field in package.json using jq
+          jq --arg version "$LATEST_VERSION" '.version = $version' package.json > temp.json && mv temp.json package.json
+      - name: Setup node
+        uses: actions/setup-node@v3
+        with:
+          node-version: 20
+          registry-url: 'https://npm.pkg.github.com/'
+      - name: Inject access token in .npmrc
+        run: | 
+          echo "registry=https://npm.pkg.github.com/helsingborg-stad" >> ~/.npmrc
+          echo "//npm.pkg.github.com/:_authToken=${{ secrets.GITHUB_TOKEN }}" >> ~/.npmrc
+      - name: Run CI
+        if: ${{ hashFiles('package.json') != '' && hashFiles('package-lock.json') != '' }}
+        run: npm ci --no-progress --no-audit
+      - name: Run build
+        if: ${{ hashFiles('package-lock.json') != '' && hashFiles('gulp.js') == '' }}
+        run: npx --yes browserslist@latest --update-db && npm run build
+      - name: Publish npm package to GHCR
+        run: npm publish --registry=https://npm.pkg.github.com
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -54,3 +54,4 @@ dist/.temp
 # track these files, if they exist
 !.gitignore
 !.editorconfig
+!.github