actions/npm-publish/action.yml

---
# yaml-language-server: $schema=https://json.schemastore.org/github-action.json
name: Publish to NPM
description: 'Publishes the package to the NPM registry with configurable scope and registry URL.'
author: 'Ismo Vuorinen'

branding:
  icon: package
  color: green

inputs:
  registry-url:
    description: 'Registry URL for publishing.'
    required: false
    default: 'https://registry.npmjs.org/'
  scope:
    description: 'Package scope to use.'
    required: false
    default: '@ivuorinen'
  package-version:
    description: 'The version to publish.'
    required: false
    default: ${{ github.event.release.tag_name }}
  npm_token:
    description: 'NPM token.'
    required: true
    default: ''

outputs:
  registry-url:
    description: 'Registry URL for publishing.'
    value: ${{ inputs.registry-url }}
  scope:
    description: 'Package scope to use.'
    value: ${{ inputs.scope }}
  package-version:
    description: 'The version to publish.'
    value: ${{ inputs.package-version }}
  npm_token:
    description: 'NPM token.'
    value: ${{ inputs.token }}

runs:
  using: composite
  steps:
    - name: Setup Node.js
      uses: ivuorinen/actions/node-setup@main

    - name: Authenticate NPM
      shell: bash
      run: |
        echo "//${{ inputs.registry-url }}/:_authToken=${{ inputs.npm_token }}" > ~/.npmrc

    - name: Publish Package
      shell: bash
      env:
        NPM_TOKEN: ${{ inputs.npm_token }}
      run: |
        pkg_version=$(node -p "require('./package.json').version")
        if [ "$pkg_version" != "${{ inputs.package-version }}" ]; then
          echo "Version mismatch: package.json ($pkg_version) != input (${{ inputs.package-version }})"
          exit 1
        fi

        # Dry run first
        npm publish \
          --registry ${{ inputs.registry-url }} \
          --dry-run \
          --scope ${{ inputs.scope }}

        npm publish \
          --registry ${{ inputs.registry-url }} \
          --verbose \
          --scope ${{ inputs.scope }} \
          --tag ${{ inputs.package-version }}