name: Publish NPM Package

on:
  push:
    branches: [main]

jobs:
  publish:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout 📭
        uses: actions/checkout@v3

      - name: Set up Node ⚡
        uses: actions/setup-node@v3
        with:
          node-version-file: ".nvmrc"
          cache: "npm"

      - name: Install dependencies 📦
        run: npm ci

      - name: Run Tests 🧪
        run: npm test

      - name: Get Package Tag 🏷️
        run: echo "VERSION=$(node -p "require('./package.json').version")" >> $GITHUB_ENV

      - name: Publish to NPM registry 🚀
        id: publish
        uses: JS-DevTools/npm-publish@v1
        with:
          token: ${{ secrets.NPM_TOKEN }}
          tag: echo ${{ env.VERSION }}
          check-version: true
      - if: steps.publish.outputs.type != 'none'
        run: |
          echo "Version changed: ${{ steps.publish.outputs.old-version }} => ${{ steps.publish.outputs.version }}"
      - if: steps.publish.outputs.type == 'none'
        run: |
          echo "::error:: current package tag already published to registry." && exit 1