# A Github Action that minifies html/css/js and pushes it to a new branch
name: minify

on:
  push:
    branches:
      - 'main'

jobs:
  minify:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      
      # Install CLI tools
      - uses: actions/setup-node@v3
        with:
          node-version: '16'
      - run: |
          npm install -g terser csso-cli html-minifier

      # Use CLI tools to minify, overwriting existing files
      - run: |
          for i in `find . -name "*.js" -type f`; terser $i --compress -o $i; done
          for i in `find . -name "*.css" -type f`; do csso $i -o $i; done
          for i in `find . -name "*.html" -type f`; do html-minifier $i -o $i; done
      
      # Push changes to `build` branch
      - run: |
          git config user.name MajorDroolz
          git config user.email MajorDroolz@user.noreply.github.com
          git commit -am 'Automated minify of ${{ github.sha }}'
          git push --force -u origin main:build