trigger:
  branches:
    include:
    - main
    - develop

pool:
  vmImage: 'ubuntu-latest'

steps:
- task: NodeTool@0
  inputs:
    versionSpec: '16.x'
  displayName: 'Install Node.js'

- script: |
    npm install
    npm run build
  displayName: 'npm install and build'

- script: |
    sed -i -e "s/\(\"version\":\\s\+\"\([0-9]\+\.\?\)\+\)/\1-pre.$BUILD_BUILDNUMBER/" package.json;
  displayName: 'Preview version'
  condition: and(succeeded(), ne(variables['Build.SourceBranch'], 'refs/heads/main'))

- script: |
    npm pack
  displayName: 'npm pack'

- task: Npm@1
  inputs:
    command: publish
    publishEndpoint: 'NPM connection 1'
  displayName: 'Publish package'
  condition: and(succeeded(), in(variables['Build.SourceBranch'], 'refs/heads/main', 'refs/heads/develop'))