Ci.yaml

name: CI

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

jobs:
  test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        node-version: [18.x, 20.x]

    steps:
    - uses: actions/checkout@v4
    - name: Use Node.js ${{ matrix.node-version }}
      uses: actions/setup-node@v4
      with:
        node-version: ${{ matrix.node-version }}
        cache: 'npm'

    - name: Install dependencies
      run: npm ci

    - name: Run linter
      run: npm run lint

    - name: Run tests
      run: npm test

  publish:
    needs: test
    runs-on: ubuntu-latest
    if: github.event_name == 'push' && github.ref == 'refs/heads/master'

    steps:
    - uses: actions/checkout@v4
    - name: Use Node.js
      uses: actions/setup-node@v4
      with:
        node-version: '20.x'
        registry-url: 'https://registry.npmjs.org'

    - name: Install dependencies
      run: npm ci

    - name: Build
      run: npm run build --if-present

    # FIX #6: Only publish if the version in package.json differs from the published version
    - name: Check if version changed
      id: version_check
      run: |
        PUBLISHED=$(npm view skm-node version 2>/dev/null || echo "0.0.0")
        LOCAL=$(node -p "require('./package.json').version")
        echo "published=$PUBLISHED" >> $GITHUB_OUTPUT
        echo "local=$LOCAL" >> $GITHUB_OUTPUT
        if [ "$PUBLISHED" = "$LOCAL" ]; then
          echo "changed=false" >> $GITHUB_OUTPUT
          echo "Version $LOCAL already published, skipping."
        else
          echo "changed=true" >> $GITHUB_OUTPUT
          echo "Version changed: $PUBLISHED -> $LOCAL"
        fi

    - name: Publish to npm
      if: success() && steps.version_check.outputs.changed == 'true'
      run: npm publish
      env:
        NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}