Refactor #73: Make var names more consistent for better code reading

Author: yasulab

_tests/custom_checks.rb

@@ -16,33 +16,31 @@ def run
   # Check directory structure to ensure all pages are generated as index.html
   # This ensures proper routing for both /foobar/ and /foobar pathes.
   def check_directory_structure(filename)
+    # Get the file's basename and allowed ones
+    basename = File.basename(filename)
     allowed_names = ['index.html', '404.html']
-    current_file  = @runner.current_filename
-
-    # Get the filename
-    filename = File.basename(current_file)
 
     # Skip if allowed filenames or redirect files
-    return if allowed_names.include?(filename)
-    return if is_redirect_file?(current_file)
+    return if allowed_names.include?(basename)
+    return if is_redirect_file?(filename)
 
     # Report failure for non-index HTML files
     add_failure(
       <<~ERROR_MESSAGE
         index.html でない HTML ファイルが生成されました:
-        \s File: #{current_file}
+        \s File: #{filename}
         \s すべてのページは index.html として生成される必要があります。
         \s これにより /path/ と /path の両方でルーティングが可能になります。
       ERROR_MESSAGE
     )
   end
 
   # Check if it's a redirect or not by meta tags
-  def is_redirect_file?(filepath)
-    return false unless File.exist?(filepath)
+  def is_redirect_file?(filename)
+    return false unless File.exist?(filename)
 
-    content = File.read(filepath)
     # Check for meta refresh redirect tag
+    content = File.read(filename)
     content.include?('<meta http-equiv="refresh"') ||
     content.include?("<meta http-equiv='refresh'") ||
     content.include?('<meta http-equiv=refresh')