publish.yml

name: Publish

on:
  push:
    branches:
      - main

jobs:
  publish:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Set up Node.js
      uses: actions/setup-node@v3
      with:
        node-version: '18'
        registry-url: 'https://registry.npmjs.org'

    - name: Check if version has changed
      id: version_check
      run: |
        # Get the current version from package.json
        current_version=$(jq -r '.version' package.json)
        echo "Current version: $current_version"

        # Get the previous version from the last commit
        git fetch --depth=2
        previous_version=$(git show HEAD^1:package.json | jq -r '.version')

        echo "Previous version: $previous_version"

        if [ "$current_version" != "$previous_version" ]; then
          echo "::set-output name=version_changed::true"
          echo "::set-output name=current_version::$current_version"
        else
          echo "::set-output name=version_changed::false"
        fi

    - name: Publish to NPM
      if: steps.version_check.outputs.version_changed == 'true'
      env:
        NODE_AUTH_TOKEN: ${{ secrets.NPM_CI_TOKEN }}
      run: npm publish

    - name: Create GitHub Release
      if: steps.version_check.outputs.version_changed == 'true'
      env:
        GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: |
        current_version=${{ steps.version_check.outputs.current_version }}
        gh release create "v$current_version" \
          --title "Release v$current_version" \
          --generate-notes