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azure-pipelinesaccessibility-insights

accessibility-insights@3 task fails in runtime dependency install

The yaml pipeline has the following tasks added and fails with dependency install.

  • task: YarnInstaller@3 inputs: versionSpec: '1.x'

  • task: accessibility-insights@3 inputs: hostingMode: 'staticSite' staticSiteDir: '$(Build.SourcesDirectory)\out\release\ProjectPkg\Code\wwwroot' singleWorker: true uploadOutputArtifact: true failOnAccessibilityError: true

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Solution

  • The Accessibility Insights for Azure DevOps Extension v3 requires Node 16 to run. As part of our extension, we set a minimumAgentVersion variable that forces ADO to use an agent running Node 16 by default.

    I see in the log that the pipeline is using NODE_MODULE_VERSION 72 (Node 6) when it expects NODE_MODULE_VERSION 93 (Node 16). Is there a task before this one that is setting the Node version? If so, you may be able to remove the task that installs Node 6 and use the Node 16 environment that will come as the default on the agent version forced by the Accessibility Insights task.

    If this doesn’t work, you can try adding a task, like Node.js Tool Installer, to re-install Node 16 before the Accessibility Insights task runs:

    - task: NodeTool@0
  inputs:
    versionSpec: '16.x'