chore: auto-draft release (#225)

Author: ignatiusmb

.github/workflows/release.yaml

@@ -6,8 +6,20 @@ on:
   pull_request:
 
 jobs:
+  manifest:
+    runs-on: ubuntu-latest
+    outputs:
+      version: ${{ steps.extract.outputs.version }}
+
+    steps:
+      - uses: actions/checkout@v4
+      - id: extract
+        working-directory: ./workspace/extension/static
+        run: echo "version=$(jq -r '.version' manifest.json)" >> $GITHUB_OUTPUT
+
   bundle:
     runs-on: ubuntu-latest
+    needs: manifest
 
     steps:
       - uses: actions/checkout@v4
@@ -26,6 +38,22 @@ jobs:
           name: extension-${{ github.sha }}
           path: workspace/extension/build/svelte-devtools.zip
 
+      - if: |
+          github.repository == 'sveltejs/svelte-devtools' &&
+          github.event_name == 'push' && github.ref == 'refs/heads/master' &&
+          startsWith(github.event.head_commit.message, format('~ v{0}', needs.manifest.outputs.version))
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: | # https://cli.github.com/manual/gh_release_create
+          gh release create v${{ needs.manifest.outputs.version }} \
+          workspace/extension/build/svelte-devtools.zip \
+          --title ${{ needs.manifest.outputs.version }} \
+          --draft --generate-notes --notes '
+          Built from ${{ github.event.head_commit.id }} at https://github.com/sveltejs/svelte-devtools/actions/runs/${{ github.run_id }}
+          - Chrome Web Store: https://chrome.google.com/webstore/detail/svelte-devtools/kfidecgcdjjfpeckbblhmfkhmlgecoff
+          - Firefox Signed Add-on: https://github.com/sveltejs/svelte-devtools/releases/download/v${{ needs.manifest.outputs.version }}/svelte-devtools.xpi
+          ---'
+
   # publish:
   #   runs-on: ubuntu-latest
   #   needs: bundle