function Language.Razor {

<#

.SYNOPSIS

Razor PipeScript Language Definition.

.DESCRIPTION

Allows PipeScript to generate Razor.

Multiline comments blocks like this ```<!--{}-->``` will be treated as blocks of PipeScript.

JavaScript/CSS comment blocks like ```/*{}*/``` will also be treated as blocks of PipeScript.

Razor comment blocks like ```@*{}*@``` will also be treated as blocks of PipeScript.

#>

[ValidatePattern('\.(cshtml|razor)$')]

param()

$this = $myInvocation.MyCommand

if (-not $this.Self) {

$languageDefinition = New-Module {

param(

)

$FilePattern = '\.(cshtml|razor)$'

# We start off by declaring a number of regular expressions:

$startComment = '(?><\!--|/\*|\@\*)'

$endComment = '(?>-->|\*/|\*@)'

$Whitespace = '[\s\n\r]{0,}'

# * StartPattern ```$StartComment + '{' + $Whitespace```

$startPattern = "(?<PSStart>${startComment}\{$Whitespace)"

# * EndPattern ```$whitespace + '}' + $EndComment```

$endPattern = "(?<PSEnd>$Whitespace\}${endComment}\s{0,})"

$LanguageName = 'Razor'

Export-ModuleMember -Variable * -Function * -Alias *

} -AsCustomObject

$languageDefinition.pstypenames.clear()

$languageDefinition.pstypenames.add("Language")

$languageDefinition.pstypenames.add("Language.Razor")

$this.psobject.properties.add([PSNoteProperty]::new('Self',$languageDefinition))

}

$this.Self

}