[Enhancement] Cleanup/compact powershell code about ps2exe HOT 4 CLOSED

function Remove-Comments {
	[CmdletBinding( DefaultParameterSetName = 'FilePath' )]
	Param (
		[Parameter(Position = 0, Mandatory, ParameterSetName = 'FilePath' )]
		[ValidateNotNullOrEmpty()]
		[String]$Path,

		[Parameter(Position = 0, ValueFromPipeline, Mandatory, ParameterSetName = 'ScriptBlock' )]
		[ValidateNotNullOrEmpty()]
		[ScriptBlock]$ScriptBlock
	)

	if ($PSBoundParameters['Path']) {
		$null = Get-ChildItem $Path -ErrorAction Stop
		$ScriptBlockString = [IO.File]::ReadAllText((Resolve-Path $Path))
		$ScriptBlock = [ScriptBlock]::Create($ScriptBlockString)
	} else {
		# Convert the scriptblock to a string so that it can be referenced with array notation
		$ScriptBlockString = $ScriptBlock.ToString()
	}

	# Tokenize the scriptblock and return all tokens except for comments
	$Tokens = @([System.Management.Automation.PSParser]::Tokenize($ScriptBlock, [Ref] $Null)).Where{ $_.Content -match '^#Requires' -or $_.Type -ne 'Comment' }

	$StringBuilder = [Text.StringBuilder]::new()

	# The majority of the remaining code comes from Lee Holmes' Show-ColorizedContent script.
	$CurrentColumn = 1
	$NewlineCount  = 0
	foreach ($CurrentToken in $Tokens) {
		# Now output the token
		if (($CurrentToken.Type -eq 'NewLine') -or ($CurrentToken.Type -eq 'LineContinuation')) {
			$CurrentColumn = 1
			# Only insert a single newline. Sequential newlines are ignored in order to save space.
			if ($NewlineCount -eq 0) {
				$null = $StringBuilder.AppendLine()
			}
			$NewlineCount++
		} else {
			$NewlineCount = 0

			# Do any indenting
			if ($CurrentColumn -lt $CurrentToken.StartColumn) {
				# Insert a single space in between tokens on the same line. Extraneous whiltespace is ignored.
				if ($CurrentColumn -ne 1) {
					$null = $StringBuilder.Append(' ')
				}
			}

			# See where the token ends
			$CurrentTokenEnd = $CurrentToken.Start + $CurrentToken.Length - 1

			# Handle the line numbering for multi-line strings
			if (($CurrentToken.Type -eq 'String') -and ($CurrentToken.EndLine -gt $CurrentToken.StartLine)) {
				$LineCounter = $CurrentToken.StartLine
				$StringLines = $(-join $ScriptBlockString[$CurrentToken.Start..$CurrentTokenEnd] -split '`r`n')

				foreach ($StringLine in $StringLines) {
					$null = $StringBuilder.Append($StringLine)
					$LineCounter++
				}
			}
			# Write out a regular token
			else {
				$null = $StringBuilder.Append((-join $ScriptBlockString[$CurrentToken.Start..$CurrentTokenEnd]))
			}

			# Update our position in the column
			$CurrentColumn = $CurrentToken.EndColumn
		}
	}

	$StringBuilder.ToString()
} # END