release.yml

name: Release

on:
  workflow_dispatch:
    inputs:
      bump:
        description: 'Version bump type (use "current" to publish as-is)'
        required: true
        type: choice
        options:
          - current
          - patch
          - minor
          - major
      dry-run:
        description: 'Dry run (test without publishing)'
        required: false
        type: boolean
        default: false

permissions:
  contents: write
  id-token: write

jobs:
  release:
    name: Bump, Tag & Publish
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}

      - uses: actions/setup-node@v4
        with:
          node-version: 24
          registry-url: https://registry.npmjs.org
          cache: npm

      - run: npm ci
      - run: npm test
      - run: echo "node=$(node -v) npm=$(npm -v)"

      - name: Configure git
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

      - name: Determine version
        id: bump
        run: |
          OLD_VERSION=$(node -p "require('./package.json').version")
          if [ "${{ inputs.bump }}" = "current" ]; then
            NEW_VERSION="${OLD_VERSION}"
            echo "Publishing current version ${NEW_VERSION}"
          else
            npm version ${{ inputs.bump }} --no-git-tag-version
            NEW_VERSION=$(node -p "require('./package.json').version")
            echo "Bumped ${OLD_VERSION} → ${NEW_VERSION} (${{ inputs.bump }})"
          fi
          echo "old_version=${OLD_VERSION}" >> $GITHUB_OUTPUT
          echo "new_version=${NEW_VERSION}" >> $GITHUB_OUTPUT
          echo "is_bump=${{ inputs.bump != 'current' }}" >> $GITHUB_OUTPUT

      - name: Update CHANGELOG
        if: inputs.bump != 'current'
        run: |
          NEW_VERSION=${{ steps.bump.outputs.new_version }}
          DATE=$(date +%Y-%m-%d)
          LAST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
          if [ -n "$LAST_TAG" ]; then
            COMMITS=$(git log ${LAST_TAG}..HEAD --pretty=format:"- %s" --no-merges)
          else
            COMMITS=$(git log --pretty=format:"- %s" --no-merges)
          fi
          ENTRY="## [${NEW_VERSION}] - ${DATE}\n\n${COMMITS}\n"
          if [ -f CHANGELOG.md ]; then
            sed -i "0,/^## /s//$(printf '%s\n\n' "${ENTRY}")## /" CHANGELOG.md 2>/dev/null || \
            awk -v entry="$ENTRY" 'NR==1{print; print ""; print entry; next}1' CHANGELOG.md > CHANGELOG.tmp && mv CHANGELOG.tmp CHANGELOG.md
          fi

      - name: Commit, tag & push
        if: inputs.dry-run == false
        run: |
          NEW_VERSION=${{ steps.bump.outputs.new_version }}
          git add -A
          if git diff --cached --quiet; then
            echo "No changes to commit"
          else
            git commit -m "chore(release): v${NEW_VERSION}"
          fi
          if git rev-parse "v${NEW_VERSION}" >/dev/null 2>&1; then
            echo "Tag v${NEW_VERSION} already exists, skipping"
          else
            git tag -a "v${NEW_VERSION}" -m "Release v${NEW_VERSION}"
          fi
          git push origin main --follow-tags

      - name: Publish to npm
        if: inputs.dry-run == false
        run: npm publish --access public

      - name: Publish to npm (dry run)
        if: inputs.dry-run == true
        run: npm publish --access public --dry-run

      - name: Create GitHub Release
        if: inputs.dry-run == false
        uses: softprops/action-gh-release@v2
        with:
          tag_name: v${{ steps.bump.outputs.new_version }}
          name: v${{ steps.bump.outputs.new_version }}
          generate_release_notes: true