Public/Import-Dependency.ps1
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function Import-Dependency { <# .SYNOPSIS Import dependencies from PowerShell scripts and manifests. #> [OutputType([Microsoft.PowerShell.Commands.ModuleSpecification])] [CmdletBinding()] param ( # Path to the PowerShell script or manifest. [Parameter( Mandatory, ValueFromPipeline, ValueFromPipelineByPropertyName )] [ValidateScript({ $_.Exists })] [System.IO.FileInfo] $Path, # If set, dependencies of required modules are imported recursively. [Parameter()] [switch] $Recurse ) begin { $Script:ImportedModules = @() } process { $Path | ForEach-Object { Write-Verbose "Scanning $_" switch ( $_.Extension ) { .psd1 { $Path | Import-Psd | Select-Object -ExpandProperty RequiredModules -ErrorVariable RequiredModulesError -ErrorAction SilentlyContinue | ForEach-Object { New-Object -TypeName Microsoft.PowerShell.Commands.ModuleSpecification $_ } if ( $RequiredModulesError ) { Write-Warning "$RequiredModulesError in '$( $input[0] )'." } } .ps1 { [System.Management.Automation.Language.ScriptBlockAst] $scriptBlockAst = [System.Management.Automation.Language.Parser]::ParseFile($Path, [ref]$null, [ref]$null) $scriptBlockAst | Select-Object -ExpandProperty ScriptRequirements | Select-Object -ExpandProperty RequiredModules } default { Write-Warning "$_ is not supported" } } } | ForEach-Object { Write-Output $_ if ( $Recurse.IsPresent ) { $_ | Where-Object Name -NotIn $Script:ImportedModules | ForEach-Object { $Script:ImportedModules += $_.Name Get-Module -ListAvailable -Name $_.Name | Import-Dependency -Recurse:$Recurse } } } } } |