Create draft-release.yml

Author: marcustyphoon

.github/workflows/draft-release.yml

@@ -0,0 +1,57 @@
+name: Draft Release
+
+on:
+  push:
+    branches:
+      - master
+    paths:
+      - src/manifest.json
+
+jobs:
+  get-version-if-new:
+    name: Get Version (if new)
+    runs-on: ubuntu-latest
+    outputs:
+      version: ${{ steps.get-new-version-step.outputs.result }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/github-script@v7
+        id: get-new-version-step
+        with:
+          script: |
+            const fs = require('node:fs');
+            const { version } = JSON.parse(fs.readFileSync(('${{ github.workspace }}/src/manifest.json')));
+            const releases = await github.paginate(github.rest.repos.listReleases, { owner: context.repo.owner, repo: context.repo.repo, });
+            if (releases.every(({ tag_name }) => tag_name !== `v${version}`)) {
+              return version;
+            }
+            return '';
+          result-encoding: string
+
+  draft-release:
+    name: Draft Release
+    needs: [get-version-if-new]
+    if: needs.get-version-if-new.outputs.version != ''
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Create release notes
+        run: dev/release-notes.sh
+
+      - name: Create Github release draft
+        id: create-draft
+        uses: softprops/action-gh-release@v2
+        with:
+          name: ${{ needs.get-version-if-new.outputs.version }}
+          tag_name: v${{ needs.get-version-if-new.outputs.version }}
+          body_path: release-notes.md
+          draft: true
+
+      - run: >
+          echo "Created draft: ${{ steps.create-draft.outputs.url }}" >> $GITHUB_STEP_SUMMARY