From d4afb91e49ea3dc0951e97fb49a0e63ed726cfea Mon Sep 17 00:00:00 2001
From: Gabriel Arazas <foodogsquared@foodogsquared.one>
Date: Fri, 7 Apr 2023 06:25:41 +0800
Subject: [PATCH] Update helper with kebab-case conversion

---
 gems/lib/asciidoctor/chat-block-processor/extension.rb | 2 +-
 gems/lib/asciidoctor/helpers.rb                        | 9 +++++----
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/gems/lib/asciidoctor/chat-block-processor/extension.rb b/gems/lib/asciidoctor/chat-block-processor/extension.rb
index ea5d930..52ec823 100644
--- a/gems/lib/asciidoctor/chat-block-processor/extension.rb
+++ b/gems/lib/asciidoctor/chat-block-processor/extension.rb
@@ -24,7 +24,7 @@ class ChatBlock < Asciidoctor::Extensions::BlockProcessor
 
     attrs['avatarsdir'] ||= File.expand_path('./avatars', attrs['iconsdir'])
 
-    avatar_sticker = "#{attrs['avatar'].to_snake}/#{attrs['state'].to_snake}.#{attrs['avatarstype']}"
+    avatar_sticker = "#{attrs['avatar'].to_kebab}/#{attrs['state'].to_kebab}.#{attrs['avatarstype']}"
     avatar_img_attrs = {
       'target' => parent.image_uri(avatar_sticker, 'avatarsdir'),
       'alt' => attrs['name']
diff --git a/gems/lib/asciidoctor/helpers.rb b/gems/lib/asciidoctor/helpers.rb
index e2e7351..2158b38 100644
--- a/gems/lib/asciidoctor/helpers.rb
+++ b/gems/lib/asciidoctor/helpers.rb
@@ -1,10 +1,11 @@
 # frozen_string_literal: true
 
-# Code copied from https://gist.github.com/komasaru/b3f22d5bcb8555deea1707b84d294045.
 class String
-  def to_snake
-    self.gsub(/([A-Z]+)([A-Z][a-z])/, '\1_\2')
-        .gsub(/([a-z\d])([A-Z])/, '\1_\2')
+  def to_kebab
+    self.gsub(/\s+/, '-')           # Replace all spaces with dashes.
+        .gsub(/[^a-zA-Z0-9-]/, '')  # Remove all non-alphanumerical (and dashes) characters.
+        .gsub(/-+/, '-')            # Reduce all dashes into only one.
+        .gsub(/^-|-+$/, '')         # Remove all leading and trailing dashes.
         .downcase
   end
 end