image-optimization.yml

name: Image Optimization

on:
    push:
        branches: [main]
    pull_request:
        branches: [main]

jobs:
    optimize:
        name: Optimize images
        runs-on: ubuntu-latest
        steps:
            - uses: actions/checkout@v4
            - name: Set up Node.js
              uses: actions/setup-node@v4
              with:
                  node-version: 18
            - name: Install optimization tools
              run: |
                  npm init -y
                  npm install -D svgo imagemin-cli imagemin-mozjpeg imagemin-pngquant
            - name: Optimize SVGs with SVGO
              run: npx svgo -f assets --config=./.svgo.yml || true
            - name: Optimize raster images (lossless)
              run: npx imagemin "assets/*.{png,jpg,jpeg}" --out-dir=assets || true
            - name: Commit optimized assets
              run: |
                  git config user.name "github-actions[bot]"
                  git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
                  git add assets || true
                  if ! git diff --cached --quiet; then
                    git commit -m "chore: optimize images (automated)" || true
                    git push
                  else
                    echo "No changes to commit"
                  fi