private/functions/Get-PowerStubCommandDynamicParams.ps1
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<#
.SYNOPSIS Gets the dynamic parameters for a command. .DESCRIPTION .LINK .PARAMETER .INPUTS None. You cannot pipe objects to Invoke-Authenticate. .OUTPUTS .EXAMPLES #> function Get-PowerStubCommandDynamicParams { [CmdletBinding()] param( [parameter(Mandatory = $false, Position = 0)] [string] $stub, [parameter(Mandatory = $false, Position = 1)] [string] $command ) #result array $RuntimeParamDic = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary # Silently return empty dictionary if stub or command not provided # (this happens during tab completion when user hasn't finished typing) if (!$stub -or !$command) { return $RuntimeParamDic } Write-Debug "Stub: $stub" Write-Debug "Command: $command" # Load parameters from the command (suppress warnings during tab completion) $commandObj = Get-PowerStubCommand $stub $command -WarningAction SilentlyContinue Write-Debug "Dyn Param Command: $($commandObj.Name)" if (!$commandObj) { # Silently return - command may not exist yet during tab completion return $RuntimeParamDic } Write-Debug "param count: $($commandObj.Parameters.Count)" # Common parameters to exclude (already provided by [CmdletBinding()]) $commonParams = @( 'Verbose', 'Debug', 'ErrorAction', 'WarningAction', 'InformationAction', 'ErrorVariable', 'WarningVariable', 'InformationVariable', 'OutVariable', 'OutBuffer', 'PipelineVariable', 'ProgressAction' ) foreach ($paramKey in $commandObj.Parameters.Keys) { # Skip common parameters - they're already defined by [CmdletBinding()] if ($paramKey -in $commonParams) { Write-Debug "Skipping common parameter '$paramKey'" continue } $param = $commandObj.Parameters[$paramKey] $isMandatory = $param.Attributes | Where-Object { $_.TypeNameOfValue -eq 'System.Management.Automation.ParameterAttribute' } | ForEach-Object { $_.Mandatory } $name = $param.Name $type = $param.ParameterType Write-Debug "Adding dynamic parameter '$name' with type '$type' and mandatory '$isMandatory'" New-DynamicParam -Name $name -Type $type -Mandatory:$isMandatory -DPDictionary $RuntimeParamDic } return $RuntimeParamDic } |