DebugSpectre.ps1

function Enable-DebugSpectre {
    [cmdletbinding()]
    param()
    $moduleName = 'PwshSpectreConsole'
    $module = Get-Module -Name $ModuleName
    if (-Not $Module) {
        $Module = Import-Module $ModuleName -PassThru
    }
    $new = {
        param(
            [Parameter(Mandatory)]
            [Spectre.Console.Rendering.Renderable]$RenderableObject
        )
        try {
            $writer = [System.IO.StringWriter]::new()
            $output = [Spectre.Console.AnsiConsoleOutput]::new($writer)
            $settings = [Spectre.Console.AnsiConsoleSettings]::new()
            $settings.Out = $output
            $console = [Spectre.Console.AnsiConsole]::Create($settings)
            $console.Write($RenderableObject)
            $writer.ToString()
        }
        finally {
            $writer.Dispose()
        }
    }
    # if you want to get an already defined function.
    # $new = $ExecutionContext.InvokeCommand.GetCommand('Debug-WriteAnsiConsole', 'function')
    $sb = {
        param($func)
        # to override the function
        # Set-Content -Path Function:\Write-AnsiConsole -Value $func -Force
        # using an alias is easier to revert.
        Set-Content -Path Function:\Debug-WriteAnsiConsole -Value $func -Force
        Set-Alias -Name Write-AnsiConsole -Value Debug-WriteAnsiConsole -Force -Option AllScope -Scope Global
        # this is only needed for alias to work
        Export-ModuleMember -Alias Write-AnsiConsole -Function Debug-WriteAnsiConsole
    }
    . $module $sb $new
}

function Disable-DebugSpectre {
    # Remove-Module -Name PwshSpectreConsole -Force
    # Import-Module -name PwshSpectreConsole
    Remove-Alias -Name Write-AnsiConsole -Force -Scope Global
}