update-meta.yml

name: CI & CD
on:
    push:
        branches:
            - main
        paths:
            - package.json
jobs:
    Update-Meta:
        runs-on: ubuntu-latest
        permissions:
            contents: write
        steps:
            - uses: actions/checkout@v4

            - uses: actions/setup-node@v4
              with:
                  node-version: 20

            - name: Set NPM metadata
              env:
                  # "Administration" repository permissions (write),
                  # https://docs.github.com/en/rest/repos/repos?apiVersion=2022-11-28#replace-all-repository-topics
                  GH_TOKEN: ${{ secrets.GH_ADMIN_TOKEN || github.token }}
                  REPOSITORY: ${{ github.repository }}
              run: |
                  DESCRIPTION=$(node -p "JSON.parse(require('fs').readFileSync('package.json')).description || ''")
                  HOME_PAGE=$(node -p "JSON.parse(require('fs').readFileSync('package.json')).homepage || ''")
                  TOPICS=$(node -p "JSON.parse(require('fs').readFileSync('package.json')).keywords?.join().toLowerCase() || ''")

                  [[ "$DESCRIPTION" ]]  &&  gh repo edit "$REPOSITORY" --description "$DESCRIPTION"
                  [[ "$HOME_PAGE" ]]  &&  gh repo edit "$REPOSITORY" --homepage "$HOME_PAGE"
                  [[ "$TOPICS" ]]  &&  {
                    gh api --method PUT "repos/$REPOSITORY/topics" -f "names[]"
                    gh repo edit "$REPOSITORY" --add-topic "$TOPICS"
                  } || true