size-check.yml

name: Bundle Size Check

on:
  pull_request:
    branches: [main, develop]
    paths:
      - 'packages/**/*.ts'
      - 'packages/**/*.tsx'
      - 'packages/**/package.json'
      - 'pnpm-lock.yaml'

permissions:
  contents: read
  pull-requests: write

jobs:
  size-check:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: 10

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20.x'
          cache: 'pnpm'

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Build packages
        run: pnpm build

      - name: Check bundle sizes
        id: size-check
        run: |
          echo "## 📦 Bundle Size Report" > size-report.md
          echo "" >> size-report.md
          echo "| Package | Size | Gzipped |" >> size-report.md
          echo "|---------|------|---------|" >> size-report.md
          
          for pkg in packages/*/dist; do
            if [ -d "$pkg" ]; then
              pkg_name=$(basename $(dirname $pkg))
              
              # Calculate sizes for main bundle files
              for file in "$pkg"/*.js; do
                if [ -f "$file" ] && [ ! -f "${file}.map" ]; then
                  # Use portable method to get file size
                  size=$(wc -c < "$file")
                  size_kb=$(awk "BEGIN {printf \"%.2f\", $size/1024}")
                  
                  # Estimate gzipped size
                  gzip_size=$(gzip -c "$file" | wc -c)
                  gzip_kb=$(awk "BEGIN {printf \"%.2f\", $gzip_size/1024}")
                  
                  echo "| $pkg_name ($(basename $file)) | ${size_kb}KB | ${gzip_kb}KB |" >> size-report.md
                fi
              done
            fi
          done
          
          echo "" >> size-report.md
          echo "### Size Limits" >> size-report.md
          echo "- ✅ Core packages should be < 50KB gzipped" >> size-report.md
          echo "- ✅ Component packages should be < 100KB gzipped" >> size-report.md
          echo "- ⚠️ Plugin packages should be < 150KB gzipped" >> size-report.md

      - name: Comment PR
        uses: actions/github-script@v7
        with:
          script: |
            const fs = require('fs');
            const report = fs.readFileSync('size-report.md', 'utf8');
            
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: report
            });