Parameterize with options to preserve case of string

Added test cases

Using kwargs instead of three seperate functions

Updated parameterize in transliterate.rb

Updated parameterize in transliterate.rb

Added deprecation warnings and updating RDoc+Guide

Misspelled separtor. Fixed.

Deprecated test cases and added support to parameterize with keyword parameters

Squashing commits.

Fixed test cases and added deprecated test cases

Small changes to Gemfile.lock and CHANGELOG

Update Gemfile.lock

1 files changed, 14 insertions, 0 deletions

diff --git a/guides/source/active_support_core_extensions.md b/guides/source/active_support_core_extensions.md
index f6fc255c24..181dca4b71 100644
--- a/guides/source/active_support_core_extensions.md
+++ b/guides/source/active_support_core_extensions.md
@@ -1710,6 +1710,20 @@ The method `parameterize` normalizes its receiver in a way that can be used in p
 "Kurt Gödel".parameterize # => "kurt-godel"
 ```
 
+To preserve the case of the string, set the `preserve_case` argument to true. By default, `preserve_case` is set to false.
+
+```ruby
+"John Smith".parameterize(preserve_case: true) # => "John-Smith"
+"Kurt Gödel".parameterize(preserve_case: true) # => "Kurt-Godel"
+```
+
+To use a custom separator, override the `separator` argument.
+
+```ruby
+"John Smith".parameterize(separator: "_") # => "john\_smith"
+"Kurt Gödel".parameterize(separator: "_") # => "kurt\_godel"
+```
+
 In fact, the result string is wrapped in an instance of `ActiveSupport::Multibyte::Chars`.
 
 NOTE: Defined in `active_support/core_ext/string/inflections.rb`.