feat: Preview releases

.github/workflows/release-preview.yml

@@ -0,0 +1,43 @@
+name: Preview release
+
+on:
+  pull_request:
+    branches: [develop]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.number }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+  actions: write
+
+jobs:
+  preview:
+    if: |
+      ${{ github.repository_owner == 'mermaid-js' && github.event.issue.pull_request && contains(github.event.pull_request.labels.*.name, 'pr: preview') }}
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write
+      issues: write
+      pull-requests: write
+    name: Publish preview release
+    timeout-minutes: 5
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+
+      - uses: pnpm/action-setup@fe02b34f77f8bc703788d5817da081398fad5dd2 # v4.0.0
+
+      - name: Setup Node.js
+        uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b # v4.0.3
+        with:
+          cache: pnpm
+          node-version-file: '.node-version'
+
+      - name: Install Packages
+        run: pnpm install --frozen-lockfile
+
+      - name: Publish packages
+        run: pnpx pkg-pr-new publish --pnpm './packages/*'