ModuleUpdateLookup.ps1.txt

param($ResolvedModuleName, $IncludePrerelease)
$ProgressPreference = 'SilentlyContinue'
$WarningPreference = 'SilentlyContinue'
$InformationPreference = 'SilentlyContinue'
$VerbosePreference = 'SilentlyContinue'
$ErrorActionPreference = 'Stop'
$repositoryName = 'PSGallery'

function Get-PrereleaseLabel {
    param([object]$Item)

    if ($null -eq $Item) {
        return $null
    }

    $metadata = $Item.AdditionalMetadata
    if ($metadata -is [System.Collections.IDictionary]) {
        return $metadata['Prerelease']
    }

    if ($null -ne $metadata -and $metadata.PSObject.Properties.Name -contains 'Prerelease') {
        return $metadata.Prerelease
    }

    if ($Item.PSObject.Properties.Name -contains 'Prerelease') {
        return $Item.Prerelease
    }

    return $null
}

function ConvertTo-VersionInfo {
    param(
        [object]$Item,
        [string]$Channel
    )

    if ($null -eq $Item) {
        return $null
    }

    $versionText = $Item.Version.ToString()
    $prereleaseLabel = Get-PrereleaseLabel -Item $Item
    if (-not [string]::IsNullOrWhiteSpace($prereleaseLabel) -and $versionText -notmatch '-[^-]+$') {
        $versionText = "$versionText-$prereleaseLabel"
    }

    return [pscustomobject]@{
        ModuleName = $ResolvedModuleName
        Channel = $Channel
        Repository = $repositoryName
        Version = $versionText
    }
}

$stableItem = Find-Module $ResolvedModuleName -Repository $repositoryName -ErrorAction Stop -WarningAction SilentlyContinue
$prereleaseItem = if ($IncludePrerelease) {
    Find-Module $ResolvedModuleName -Repository $repositoryName -AllowPrerelease -ErrorAction Stop -WarningAction SilentlyContinue
}
else {
    $null
}

[pscustomobject]@{
    SourceRepository = $repositoryName
    Stable = ConvertTo-VersionInfo -Item $stableItem -Channel 'Stable'
    Prerelease = ConvertTo-VersionInfo -Item $prereleaseItem -Channel 'Prerelease'
}