Scripts/New-UDThemeMode.ps1

<#
.SYNOPSIS
    Sample control for UniversalDashboard.
.DESCRIPTION
    Sample control function for UniversalDashboard. This function must have an ID and return a hash table.
.PARAMETER Id
    An id for the component default value will be generated by new-guid.
.EXAMPLE
    PS C:\> <example usage>
    Explanation of what the example does
.INPUTS
    Inputs (if any)
.OUTPUTS
    Output (if any)
.NOTES
    General notes
#>

function New-UDThemeMode {
    param(
        [Parameter()]
        [string]$Id = (New-Guid).ToString(),
        [Parameter()]
        [scriptblock]$Content,
        [Parameter()]
        [Switch]$DefaultDark,
        [Parameter()]
        [string]$MarginTop = "-7%",
        [Parameter()]
        [string]$MarginLeft = "35%",
        [Parameter()]
        [string]$Width = "51px",
        [Parameter()]
        [string]$Height = "27px"
    )

    End {

        @{
            # The AssetID of the main JS File
            assetId     = $AssetId
            # Tell UD this is a plugin
            isPlugin    = $true
            # This ID must be the same as the one used in the JavaScript to register the control with UD
            type        = "UD-ThemeMode"
            # An ID is mandatory
            id          = $Id

            # This is where you can put any other properties. They are passed to the React control's props
            # The keys are case-sensitive in JS.
            content     = $Content.Invoke()
            defaultDark = $DefaultDark.IsPresent
            marginTop   = $MarginTop
            marginLeft  = $MarginLeft
            width       = $Width
            height      = $Height
        }

    }
}