ci: publish latest wasm on push and add wasm-opt optimizations

Author: SamuelMarks

.github/workflows/release-wasm.yml

@@ -2,9 +2,10 @@ name: Release WASM
 
 on:
   push:
+    branches: ["master", "main"]
     tags:
-      - '0.0.1'
-      - 'v*'
+      - "0.0.1"
+      - "v*"
 
 permissions:
   contents: write
@@ -14,15 +15,33 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - name: Install binaryen
+        run: sudo apt-get update && sudo apt-get install -y binaryen
       - name: Build WASM
         run: |
           if [ -f Makefile ] && grep -q build_wasm Makefile; then
             make build_wasm || true
-            cp bin/cdd-python.wasm . || echo -n -e '\x00asm\x01\x00\x00\x00' > cdd-python.wasm
-          else
+            cp bin/*.wasm . 2>/dev/null || cp build/*.wasm . 2>/dev/null || cp target/wasm32-wasip1/release/*.wasm . 2>/dev/null || true
+          fi
+          # Fallback to dummy if no wasm was found
+          if ! ls *.wasm 1> /dev/null 2>&1; then
             echo -n -e '\x00asm\x01\x00\x00\x00' > cdd-python.wasm
           fi
+          for f in *.wasm; do
+            if [ -f "$f" ]; then
+              wasm-opt -O3 "$f" -o "$f" || true
+            fi
+          done
+      - name: Update latest tag
+        if: github.ref == 'refs/heads/master' || github.ref == 'refs/heads/main'
+        run: |
+          git config user.name "github-actions"
+          git config user.email "github-actions@github.com"
+          git tag -f latest
+          git push origin -f latest
       - name: Release WASM Artifact
         uses: softprops/action-gh-release@v2
         with:
-          files: cdd-python.wasm
+          tag_name: ${{ startsWith(github.ref, 'refs/tags/') && github.ref_name || 'latest' }}
+          files: "*.wasm"
+          prerelease: ${{ !startsWith(github.ref, 'refs/tags/') }}