1 files changed, 25 insertions, 0 deletions
diff --git a/rubocop/cop/filename_length.rb b/rubocop/cop/filename_length.rb
new file mode 100644
index 00000000000..815db7de3f5
--- /dev/null
+++ b/rubocop/cop/filename_length.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+module RuboCop
+  module Cop
+    class FilenameLength < Cop
+      include RangeHelp
+
+      FILEPATH_MAX_BYTES = 256
+      FILENAME_MAX_BYTES = 100
+      MSG_FILEPATH_LEN = "This file path is too long. It should be #{FILEPATH_MAX_BYTES} or less"
+      MSG_FILENAME_LEN = "This file name is too long. It should be #{FILENAME_MAX_BYTES} or less"
+
+      def investigate(processed_source)
+        file_path = processed_source.file_path
+        return if config.file_to_exclude?(file_path)
+
+        if file_path.bytesize > FILEPATH_MAX_BYTES
+          add_offense(nil, location: source_range(processed_source.buffer, 1, 0, 1), message: MSG_FILEPATH_LEN)
+        elsif File.basename(file_path).bytesize > FILENAME_MAX_BYTES
+          add_offense(nil, location: source_range(processed_source.buffer, 1, 0, 1), message: MSG_FILENAME_LEN)
+        end
+      end
+    end
+  end
+end