ci: add release publish workflows (#1091)

Author: fadi-george

.github/workflows/create-release-on-github.yml

@@ -0,0 +1,87 @@
+name: Publish to NPM
+on:
+  pull_request:
+    types:
+      - closed
+    branches:
+      - main
+      - rel/**
+
+jobs:
+  publish-to-npm:
+    runs-on: ubuntu-latest
+    if: |
+      github.event.pull_request.merged == true &&
+      contains(github.event.pull_request.title, 'chore: Release')
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+          fetch-tags: true
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: latest
+
+      - name: Install
+        run: bun install --frozen-lockfile
+
+      - name: Get version
+        id: get_version
+        run: |
+          CURRENT_VERSION=$(bun -e "console.log(require('./package.json').version)")
+          if git rev-parse "$CURRENT_VERSION" >/dev/null 2>&1; then
+            echo "Tag $CURRENT_VERSION already exists, nothing to do"
+            exit 0
+          else
+            echo "Tag $CURRENT_VERSION does not exist, proceeding with release creation"
+          fi
+          echo "version=$CURRENT_VERSION" >> $GITHUB_OUTPUT
+
+      - name: Build & Publish
+        run: |
+          bun run build
+
+          VERSION='${{ steps.get_version.outputs.version }}'
+          if [[ $VERSION =~ alpha ]]; then
+            bun publish --tag alpha
+          elif [[ $VERSION =~ beta ]]; then
+            bun publish --tag beta
+          else
+            bun publish
+          fi
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+
+      - name: Create release notes
+        uses: actions/github-script@v8
+        id: release_notes
+        with:
+          script: |
+            // Use the PR that triggered this workflow
+            const releasePr = context.payload.pull_request;
+            const releaseNotes = releasePr.body.split('<!--')[0].trim();
+            core.setOutput('notes', releaseNotes);
+
+      - name: Create GitHub Release
+        uses: actions/github-script@v8
+        env:
+          RELEASE_NOTES: ${{ steps.release_notes.outputs.notes }}
+        with:
+          script: |
+            const notes = process.env.RELEASE_NOTES;
+            const version = '${{ steps.get_version.outputs.version }}';
+            const isPrerelease = /alpha|beta/i.test(version);
+
+            await github.rest.repos.createRelease({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              tag_name: version,
+              name: `Release ${version}`,
+              body: notes,
+              draft: false,
+              prerelease: isPrerelease
+            });