chore: set up release preview comment

.github/workflows/prs.yml

@@ -16,3 +16,83 @@ jobs:
         run: npm run lint
       - name: Run build
         run: npm run build
+  release-preview:
+    name: Automated release preview
+    needs: [lint]
+    permissions:
+      issues: write
+    runs-on: ubuntu-latest
+    steps:
+      - name: 📀 Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: 🖥️ Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+      - name: 🔗 Install Dependencies
+        shell: bash
+        run: npm install --no-fund --no-audit --ignore-scripts
+      - name: 🔬 Check semantic versioning
+        id: semantic-release
+        run: |
+          GITHUB_REF=${{ github.head_ref }}
+          npx semantic-release --no-ci --dry-run --plugins @semantic-release/commit-analyzer,@semantic-release/release-notes-generator --branches ${{ github.head_ref }} > output.txt
+          OUTPUT=$(cat output.txt | base64 -w 0)
+          echo "::set-output name=releaseNote::$OUTPUT"
+      - name: 📝 Report semantic versioning
+        uses: actions/github-script@v3
+        if: ${{ steps.semantic-release.outputs.releaseNote != '' }}
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            // build release note
+            const semanticReleaseOutput = Buffer.from('${{ steps.semantic-release.outputs.releaseNote }}', 'base64').toString('utf8');
+            const semanticReleaseLogMatch = /^[[0-9:\sAMPM]+\]\s\[semantic-release\].*$/;
+            const lines = semanticReleaseOutput.split('\n');
+            const lastSemanticReleaseLogIndex = [...lines]
+                .reverse()
+                .findIndex((line) => line.match(semanticReleaseLogMatch));
+
+            const releaseNoteIndex = lines.length - lastSemanticReleaseLogIndex;
+            const releaseNote = lines.slice(releaseNoteIndex);
+
+            let res = releaseNote.join('\n');
+            if (!releaseNote.length || !res) {
+                res = '### No release note would be generated.';
+            }
+
+            const SEMANTIC_RELEASE_BODY_HEADER = '## 📝 Semantic Release Report';
+            const body = [SEMANTIC_RELEASE_BODY_HEADER, res].join('\n');
+
+            // get last comment
+            const comments = await github.issues.listComments({
+                issue_number: context.issue.number,
+                owner: context.repo.owner,
+                repo: context.repo.repo
+            });
+
+            // find comments to delete
+            const commentsToDelete = comments.data.filter((comment) =>
+                comment.body.startsWith(SEMANTIC_RELEASE_BODY_HEADER)
+            );
+
+            // delete comments
+            const prms = commentsToDelete.map((comment) =>
+                github.issues.deleteComment({
+                    comment_id: comment.id,
+                    owner: context.repo.owner,
+                    repo: context.repo.repo
+                })
+            );
+
+            await Promise.all(prms);
+
+            // create new comment for release note
+            github.issues.createComment({
+                issue_number: context.issue.number,
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                body
+            });