azure-pipelines.yml

pool:
  name: Azure Pipelines
  demands: npm

steps:
  - task: Cache@2
    displayName: 'Cache Npm Dependencies'
    inputs:
      key: '**/package-lock.json, !**/node_modules/**/package-lock.json, !**/.*/**/package-lock.json'
      path: '$(Build.SourcesDirectory)/node_modules'
      cacheHitVar: CacheRestored

  - task: Npm@1
    displayName: 'npm ci'
    inputs:
      command: ci
      verbose: false
    condition: ne(variables['CacheRestored'], 'true')

  - task: Npm@1
    displayName: 'npm build'
    inputs:
      command: custom
      verbose: false
      customCommand: 'run ci:prod'

  - powershell: |
      $distExists = Test-Path -Path "$(Build.SourcesDirectory)/dist"
      Write-Host "##vso[task.setvariable variable=DistExists]$distExists"

  - task: CopyFiles@2
    displayName: 'Copy Files to: $(Build.ArtifactStagingDirectory)'
    inputs:
      SourceFolder: '$(Build.SourcesDirectory)/dist'
      TargetFolder: '$(Build.ArtifactStagingDirectory)'
    condition: eq(variables['DistExists'], True) # If dist folder present then copy else skip

  - task: ArchiveFiles@2
    displayName: 'Archive Files'
    inputs:
      rootFolderOrFile: '$(Build.ArtifactStagingDirectory)'
      includeRootFolder: false
    condition: eq(variables['DistExists'], True)

  - task: PublishBuildArtifacts@1
    displayName: 'Publish Artifact: drop'
    condition: eq(variables['DistExists'], True)