why is azure build pipeline not generating a dist folder for an angular build

问题

It seem like the folder that are getting generated during the build are getting deleted before I could ran any other task dist folder.

 trigger:
    - master
    
    pool: default
    
    steps:
    - task: NodeTool@0
      inputs:
        versionSpec: '10.x'
      displayName: 'Install Node.js'
    
    - script: |
        npm install -g @angular/cli
        npm install
        ng build --prod 
      displayName: 'npm install and build'
    
    #i added this task and it seems like the node_modules and the dist 
    #folder that was generated during the build are not getting copied to the (a)directory 
    #only the source code get copied. it seems like the folders are getting
    #deleted even before the #PublishPipelineArtifact@1 task ran
    
    - task: PublishPipelineArtifact@1
      inputs:
        targetPath: '$(Pipeline.Workspace)/s'
        publishLocation: 'pipeline'

I also trying outputting the build in the

来源：https://stackoverflow.com/questions/63175655/why-is-azure-build-pipeline-not-generating-a-dist-folder-for-an-angular-build