Converts a given script or directory of PS1 files to One True Brace Style formatting.

ConvertTo-OTBStyle.ps1

function ConvertTo-OTBStyle {
    #Requires -Modules @{ModuleName='PSScriptAnalyzer';ModuleVersion='1.15.0'}
    [CmdletBinding()]
    param(
        [Parameter(Mandatory, ParameterSetName = 'Directory')]
        [ValidateScript( {Test-Path -Path $_ -PathType Container})]
        [IO.DirectoryInfo]$Directory,
        [Parameter(ParameterSetName = 'Directory')]
        [Switch]$Recurse,

        [Parameter(Mandatory, ParameterSetName = 'File', ValueFromPipeline, ValueFromPipelineByPropertyName)][Alias('FullName')]
        [IO.FileInfo[]]$File
    )
    begin {
        if ($PSCmdlet.ParameterSetName -eq 'Directory') {
            $File = Get-ChildItem -Path $Directory -Recurse:$Recurse -Filter '*.ps*1'
            Write-Verbose "[$($File.Count)] eligible files found in [$Directory]"
        }
        $RulesDirectory = Join-Path -Path (Get-Module PSScriptAnalyzer -ListAvailable).ModuleBase -ChildPath 'Settings'
        $Settings = Import-PowerShellDataFile (Join-Path $RulesDirectory 'CodeFormattingOTBS.psd1')
    }
    process {
        foreach ($Script in $File) {
            Write-Verbose "Formatting [$($Script.FullName)]"
            $Content = Get-Content -Path $Script.FullName -Raw
            Invoke-Formatter -Settings $Settings -ScriptDefinition $Content | Out-File $Script.FullName
        }
    }
}