build all themes (#2886)

* build all themes

* remove hard coded theme bases

---------

Co-authored-by: Lutz Bender <github@lutz-bender.de>

Author: LKuemmel

.github/workflows/build_display_theme_cards.yml

@@ -0,0 +1,89 @@
+name: Publish to master
+on:
+  push:
+    paths:
+      - 'packages/modules/*_themes/*/source/**'
+    branches:
+      - master
+
+jobs:
+  build-and-push-themes:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Discover theme bases
+        id: discover
+        run: |
+          # Find directories matching packages/modules/*_themes/* that contain a source/ subdir
+          mapfile -d $'\0' found < <(find packages/modules -type d -path 'packages/modules/*_themes/*' -print0)
+          theme_bases=()
+          for d in "${found[@]}"; do
+            # trim trailing NUL if any
+            d="${d%$'\0'}"
+            if [ -d "$d/source" ]; then
+              theme_bases+=("$d")
+            fi
+          done
+
+          # Prepare newline-separated THEME_BASES output
+          echo "theme_bases<<EOF" >> $GITHUB_OUTPUT
+          for b in "${theme_bases[@]}"; do
+            printf "%s\n" "$b"
+          done >> $GITHUB_OUTPUT
+          echo "EOF" >> $GITHUB_OUTPUT
+
+          # Prepare newline-separated cache paths (package-lock.json)
+          cache_paths=""
+          for b in "${theme_bases[@]}"; do
+            cache_paths="${cache_paths}${b}/source/package-lock.json\n"
+          done
+          cache_paths=${cache_paths%\\n}
+          echo "cache_paths<<EOF" >> $GITHUB_OUTPUT
+          printf "%b" "$cache_paths" >> $GITHUB_OUTPUT
+          echo "EOF" >> $GITHUB_OUTPUT
+
+      - name: Setup Node.js v24
+        uses: actions/setup-node@v4
+        with:
+          node-version: 24
+          cache: npm
+          cache-dependency-path: ${{ steps.discover.outputs.cache_paths }}
+
+      - name: Install dependencies and build all themes
+        run: |
+          theme_bases_str="${{ steps.discover.outputs.theme_bases }}"
+          # read into array splitting on newline
+          IFS=$'\n' read -r -d '' -a THEME_BASES <<< "$theme_bases_str"$'\0' || true
+          for base in "${THEME_BASES[@]}"; do
+            echo "Install and build Theme: $base"
+            if [ -d "$base/source" ]; then
+              cd "$base/source"
+              npm install
+              npm run build --if-present
+              cd -
+            else
+              echo "Skipping $base - no source directory"
+            fi
+          done
+
+      - name: Commit and push built themes
+        run: |
+          git config user.name "GitHub Actions"
+          git config user.email "actions@github.com"
+          theme_bases_str="${{ steps.discover.outputs.theme_bases }}"
+          IFS=$'\n' read -r -d '' -a THEME_BASES <<< "$theme_bases_str"$'\0' || true
+          for base in "${THEME_BASES[@]}"; do
+            if [ -d "$base/web" ]; then
+              git add "$base/web"
+            fi
+          done
+          if ! git diff --cached --quiet; then
+            git commit -m "Build Themes"
+            git push
+          else
+            echo "No changes to commit."
+          fi
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}