Minify.psm1

function Minify {
    <#
    .Synopsis
       Short description
    .DESCRIPTION
       Long description
    .EXAMPLE
       Example of how to use this cmdlet
    .EXAMPLE
       Another example of how to use this cmdlet
    #>

    [CmdletBinding()]
    Param
    (
        [Parameter(Mandatory=$true,
                   ValueFromPipelineByPropertyName=$true,
                   Position=0)]
        $Path
        , $YuiPath = ".\Yahoo.Yui.Compressor.dll"
        ,   [Parameter(HelpMessage="The character encoding for the original file. The default is the UTF8.")]
            [Microsoft.PowerShell.Commands.FileSystemCmdletProviderEncoding]
            $EncodingIn = [Microsoft.PowerShell.Commands.FileSystemCmdletProviderEncoding]::UTF8
        , $Obfuscate = $true
        ,   [Parameter(HelpMessage="The character encoding for the minified file. The default is the UTF8.")]
            [Microsoft.PowerShell.Commands.FileSystemCmdletProviderEncoding]
            $EncodingOut = [Microsoft.PowerShell.Commands.FileSystemCmdletProviderEncoding]::UTF8
        , [System.Globalization.CultureInfo]$Culture = [System.Globalization.CultureInfo]::InvariantCulture
    )
    $toolPath = Resolve-Path $YuiPath
    [void][Reflection.Assembly]::LoadFile($toolPath)

    $jsPath = Resolve-Path $Path
    $item = Get-Item $jsPath


    $content = Get-Content $item -Raw -Encoding $EncodingIn
    $isVerboseLogging = $false
    $preserveAllSemicolons = $false
    $disableOptimizations = $false
    $lineBreakPosition = -1
    $compressedContent = [Yahoo.Yui.Compressor.JavaScriptCompressor]::Compress($content `
             , $isVerboseLogging, $Obfuscate, $preserveAllSemicolons `
             , $disableOptimizations, $lineBreakPosition, [System.Text.Encoding]::$EncodingOut, $Culture)
    $newName = $item.BaseName + ".min.js"
    $compressedContent | Out-File -FilePath (Join-Path $item.Directory.FullName $newName)
}