Format-Table for Jupyter.ps1

function Format-Table {
    param([parameter(valuefrompipeline=$true)]$inputObject)
    
    begin {
        $objects = [System.Collections.Generic.List[PSObject]]::new()
    }

    process {
        $objects += $inputObject
    }

    end {
        $formatData = Get-FormatData -TypeName $inputObject.GetType()
        $tableControl = $formatData.FormatViewDefinition | Where-Object { $_.Control -is [System.Management.Automation.TableControl] }

        if ($tableControl -ne $null) {
            $htmlBuilder = [System.Text.StringBuilder]::new()
            $null = $htmlBuilder.Append("<table><thead><tr>")
            $headerIndex = 0
            foreach ($header in $tableControl.Control.Headers) {
                $null = $htmlBuilder.Append("<th")
                switch ($header.Alignment) {
                    "Left" {
                        $null = $htmlBuilder.Append(" align='left'>")
                    }
                    "Right" {
                        $null = $htmlBuilder.Append(" align='right'>")
                    }
                    "Center" {
                        $null = $htmlBuilder.Append(" align='center'>")
                    }
                    default {
                        $null = $htmlBuilder.Append(">")
                    }
                }

                if ($header.Label -ne $null) {
                    $null = $htmlBuilder.Append($header.Label)
                }
                else {
                    $null = $htmlBuilder.Append($tableControl.Control.Rows.Columns[$headerIndex].DisplayEntry.Value)
                }
 
                $null = $htmlBuilder.Append("</th>")
                $headerIndex++
            }

            $null = $htmlBuilder.Append("</thead><tbody>")
            foreach ($obj in $objects) {
                $null = $htmlBuilder.Append("<tr>")
                foreach ($displayEntry in $tableControl.Control.Rows.Columns.DisplayEntry) {
                    $null = $htmlBuilder.Append("<td>")
                    switch ($displayEntry.ValueType.ToString()) {
                        'ScriptBlock' {
                            $value = $obj | ForEach-Object -Process ([scriptblock]::Create($displayEntry.Value))
                            $null = $htmlBuilder.Append($value)
                        }
                        'Property' {
                            $null = $htmlBuilder.Append($obj.($displayEntry.Value))
                        }
                    }
                    $null = $htmlBuilder.Append("</td>")
                }
                $null = $htmlBuilder.Append("</tr>")
            }

            $null = $htmlBuilder.Append("</tbody></table>")
            $htmlBuilder.ToString() | Get-HtmlContent | Out-Display
        }
        else {
            Write-Warning "Table control not found!"
        }
    }
}