Introduce string extension property 'trimmed'

passKit/Helpers/StringExtension.swift

@@ -9,6 +9,11 @@
 import Foundation
 
 public extension String {
+
+    var trimmed: String {
+        return trimmingCharacters(in: .whitespacesAndNewlines)
+    }
+
     func stringByAddingPercentEncodingForRFC3986() -> String? {
         let unreserved = "-._~/?"
         var allowed = CharacterSet.alphanumerics

passKit/Parser/Parser.swift

@@ -64,7 +64,7 @@ class Parser {
             result.append(Constants.getSeparator(breakingLines: !removingLineBreaks))
             i += 1
         }
-        return result.trimmingCharacters(in: .whitespacesAndNewlines)
+        return result.trimmed
     }
 
     /// Split line from password file in to a key-value pair separted by `: `.