semantic-release-report.yaml

---
name: Semantic Release Report 📝
on:
    pull_request:
        branches:
            - master

permissions:
    contents: write
    issues: write
    pull-requests: write

jobs:
    PR-checks:
        # https://docs.github.com/en/actions/hosting-your-own-runners/managing-self-hosted-runners/using-self-hosted-runners-in-a-workflow
        runs-on: ubuntu-latest
        name: Semantic Release Report 📝
        steps:
            - name: 📀 Checkout
              uses: actions/checkout@v4
              with:
                  fetch-depth: 0

            - name: 🖥️ Setup Env
              uses: ./.github/workflows/install

            - 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 ${{ github.head_ref }} > output.txt
                  REPORT=$(cat output.txt | base64 -w 0)

                  VERSION=$(cat output.txt | \
                  grep "The next release version is" | \
                  node -e "console.log(require('fs').readFileSync(0, 'utf-8').match(/The next release version is (\d+\.\d+\.\d+(-beta\.\d+)?)/)?.[1] ?? '')")

                  echo "releaseNote=$REPORT" >> $GITHUB_OUTPUT
                  echo "version=$VERSION" >> $GITHUB_OUTPUT

            - name: 📝 Report semantic versioning
              uses: actions/github-script@v7
              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 nextVersion = '${{ steps.semantic-release.outputs.version }}';

                      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 NEXT_VERSION_HEADER = `### 🚀 Next Version: ${nextVersion}`;
                      const body = [SEMANTIC_RELEASE_BODY_HEADER, NEXT_VERSION_HEADER, res].join('\n');

                      // get last comment
                      const comments = await github.rest.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.rest.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.rest.issues.createComment({
                          issue_number: context.issue.number,
                          owner: context.repo.owner,
                          repo: context.repo.repo,
                          body
                      });