build-a-npm/lib/generateGitHubWorkflow.js

A tool to create and publish Node packages with automatic version bumping and GitHub integration.

function generateGitHubWorkflow(answers) {
  return `name: Publish Package

on:
  push:
    branches:
      - main

jobs:
  publish:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          token: \${{ secrets.GITHUB_TOKEN }}

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "20"
          registry-url: "https://npm.pkg.github.com/"

      - name: Install dependencies
        run: npm install

      - name: Determine version bump
        id: version
        run: |
          COMMIT_MESSAGE=$(git log -1 --pretty=%B)
          if [[ "$COMMIT_MESSAGE" =~ "major" ]]; then
            echo "version_type=major" >> $GITHUB_OUTPUT
          elif [[ "$COMMIT_MESSAGE" =~ "minor" ]]; then
            echo "version_type=minor" >> $GITHUB_OUTPUT
          else
            echo "version_type=patch" >> $GITHUB_OUTPUT
          fi

      - name: Bump version and publish
        env:
          NPM_TOKEN: \${{ secrets.NPM_TOKEN }}
          GITHUB_TOKEN: \${{ secrets.GITHUB_TOKEN }}
        run: |
          node node_modules/build-a-npm/publish.js --\${{ steps.version.outputs.version_type }} --npmjs --github

      - name: Commit and push version bump if changed
        run: |
          git config user.name "GitHub Actions"
          git config user.email "actions@github.com"
          git add package.json

          if git diff --cached --quiet; then
            echo "No changes to commit."
          else
            VERSION=$(node -p -e "require('./package.json').version")
            git commit -m "Bump version to $VERSION"
            git push
          fi
`;
}

module.exports = { generateGitHubWorkflow };