Of JS Packages, which ones are unpublished to docs.ms.com?

find_unpublished_npm.ps1

# assumes that NPM is installed and available
$indexUrl = "https://raw.githubusercontent.com/Azure/azure-sdk/master/_data/releases/latest/js-packages.csv"
$interrogativeUrl = "https://docs.microsoft.com/en-us/javascript/api"

$content = (Invoke-RestMethod -Method GET -Uri $indexUrl)

# assumes that the location is common
$results = $content.Split("`n") | ? { $_ }
$results = $results[1..($results.Length-1)]
$indexPackages = @{}

foreach ($result in $results) {
  $packageId = $result.Split(",")[0].Trim("`"")
  $publishStatus = $false

  try {
    Write-Host "$interrogativeUrl/$packageId/"
    $result = Invoke-RestMethod -Method GET -Uri "$interrogativeUrl/$packageId/"
    $publishStatus = $true
  }
  catch {
  }

  $indexPackages[$packageId] = $publishStatus
}

$indexPackages | Format-Table -AutoSize