feat: Adding Transform Command Type (Fixes #579)

Author: James Brundage

PipeScript.ps.psd1

@@ -153,6 +153,36 @@
                         )
                     '
                 }
+
+                'Transform' = @{
+                    Description = 'Transforms'
+                    Pattern = '              
+                        (?>
+                            # Transforms have two forms, one that is very "query" friendly
+                            \=\> # =>
+                            (?<TransformName>[^\p{Ps}\<]+)?  # Optional transform name
+                            [\p{Ps}\<]                       # Transform From Type Start
+                            (?<TransformFrom>[^\p{Pe}\>]+)   # TransformFrom
+                            [^\p{Pe}\>]                      # Transform From Type End
+                            (?:
+                                \=\> # =>
+                                (?<TransformToName>[^\p{Ps}\<]+)?  # Optional to name
+                                [\p{Ps}\<]                       # Transform To Type Start
+                                (?<TransformTo>[^\p{Pe}\>]+)     # Transform To
+                                [^\p{Pe}\>]                      # Transform To Type End
+                            )?                         
+                            |
+                            # The other form is fairly normal:
+                            Transform(?>s|er)?             # Transform or Transforms or Transformer
+                            (?>
+                                \.ps1$                     # ending with .ps1
+                                |                          # or
+                                \p{P}                      # followed by punctuation
+                            )
+                        )
+                    '
+                    ExcludeCommandType = '(?>Application|Script|Cmdlet)'
+                }
 
             'Template'     = 
                 @{