Calculate size of an Angular project

angular-bundle-size.ps1

Set-Location ".\dist\production"

Function Format-FileSize() {
    Param ([int]$size)
If ($size -gt 1TB) {[string]::Format("{0:0.00} TB", $size / 1TB)}
ElseIf ($size -gt 1GB) {[string]::Format("{0:0.00} GB", $size / 1GB)}
ElseIf ($size -gt 1MB) {[string]::Format("{0:0.00} MB", $size / 1MB)}
ElseIf ($size -gt 1KB) {[string]::Format("{0:0.00} kB", $size / 1KB)}
ElseIf ($size -gt 0) {[string]::Format("{0:0.00} B", $size)}
Else {""}
}

$sizeEs5 = 0;

Get-ChildItem *es5*.js | ForEach-Object {
    $sizeEs5 += $_.Length;
    #Format-FileSize(($_).length)
    #Write-Host($size)
}

$sizeEs6 = 0;

Get-ChildItem *es2015*.js | ForEach-Object {
    $sizeEs6 += $_.Length;
    #Format-FileSize(($_).length)
    #Write-Host($size)
}

$totalEs5 = Format-FileSize($sizeEs5);
$totalEs6 = Format-FileSize($sizeEs6);
Write-Host("Total ES5: $totalEs5")
Write-Host("Total ES6: $totalEs6")