public/Get-CommandSyntax.ps1

function Get-CommandSyntax {
    <#
    .SYNOPSIS
        Show formatted basic syntax for a function or cmdlet
    .DESCRIPTION
        Show formatted basic syntax for a function or cmdlet
    .PARAMETER Command
        Name of command / cmdlet / function
    .PARAMETER Normalize
        Displays output on 1-line. Default is stacked view
    .EXAMPLE
        Get-CommandSyntax Get-DocRef
    .EXAMPLE
        Get-CommandSyntax Get-DocRef -Normalize
    .NOTES
        Borrowed entirely from [Brett Miller] with very minor changes: https://github.com/brettmillerb/Toolbox
    .LINK
        https://github.com/Skatterbrainz/helium/blob/master/docs/Get-Syntax.md
    #>

    [CmdletBinding()]
    param (
        [parameter(Mandatory)] $Command,
        [parameter()][switch] $Normalize
    )
    $check = Get-Command -Name $Command
    $params = @{
        Name =  if ($check.CommandType -eq 'Alias') {
                    Get-Command -Name $check.Definition
                } else {
                    $Command
                }
        Syntax = $true
    }
    if ($Normalize) {
        Get-Command @params
    } else {
        (Get-Command @params) -replace '(\s(?=\[)|\s(?=-))', "`r`n "
    }
}