publish.yml

name: Publish to npm

on:
  push:
    branches:
      - main

jobs:
  test-and-publish:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v2
      with:
        token: ${{ secrets.GITHUB_TOKEN }}

    - name: Set up Node.js
      uses: actions/setup-node@v2
      with:
        node-version: '20'

    - name: Install dependencies
      run: yarn install

    - name: Install jq
      run: sudo apt-get install -y jq

    - name: Run tests
      run: yarn test

    - name: Build it
      run: yarn build

    - name: Get current version
      id: get_version
      run: echo "version=$(jq -r .version package.json)" >> $GITHUB_ENV

    - name: Check if version is published
      id: version_check
      run: |
        PUBLISHED_VERSIONS=$(yarn info . versions --json | jq -r '.data')
        CURRENT_VERSION=$(jq -r .version package.json)
        if echo "$PUBLISHED_VERSIONS" | jq -e ". | index(\"$CURRENT_VERSION\")" > /dev/null; then
          echo "Version $CURRENT_VERSION is already published."
          exit 0
        else
          echo "Version $CURRENT_VERSION is new and will be published."
          echo "new_version=true" >> $GITHUB_ENV
        fi

    - name: Configure npm for authentication
      if: env.new_version == 'true'
      run: echo "//registry.npmjs.org/:_authToken=${{ secrets.NPM_TOKEN }}" > ~/.npmrc

    - name: Publish to npm
      if: env.new_version == 'true'
      run: yarn publish