rhubarb-geek-nz.PipelineBroadcast

1.0.1

PipelineBroadcast.psm1

# Copyright (c) 2023 Roger Brown.
# Licensed under the MIT License.

function Invoke-PipelineBroadcast
{
    [CmdletBinding()]
    param(
        [Parameter(Mandatory)][ScriptBlock[]]$ScriptBlock,
        [Parameter(Mandatory=$False)][Object[][]]$ArgumentList=$null,
        [Parameter(Mandatory,ValueFromPipeline)][Object]$InputObject
    )
    Begin {
        $i = $ScriptBlock.Count
        $pipes = New-Object System.Management.Automation.SteppablePipeline[] $i
        $internal = [System.Management.Automation.CommandOrigin]::Internal
        while ($i--)
        {
            if ($ArgumentList)
            {
                $pipes[$i] = $ScriptBlock[$i].GetSteppablePipeline($internal,$ArgumentList[$i])
            }
            else
            {
                $pipes[$i] = $ScriptBlock[$i].GetSteppablePipeline($internal)
            }
        }
        foreach ($pipe in $pipes)
        {
            $pipe.Begin($True)
        }
    }
    Process {
        foreach ($pipe in $pipes)
        {
            $pipe.Process($InputObject)
        }
    }
    End {
        foreach ($pipe in $pipes)
        {
            $pipe.End()
        }
    }
}

Export-ModuleMember -Function Invoke-PipelineBroadcast