New ConsoleHelper module

.write_stderr
.format_for_stderr

1 files changed, 17 insertions, 0 deletions

diff --git a/lib/console_helper.rb b/lib/console_helper.rb
new file mode 100644
index 0000000..5c8bb83
--- /dev/null
+++ b/lib/console_helper.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+module ConsoleHelper
+  LINE_PREFACE = '> GitLab:'
+
+  def write_stderr(messages)
+    format_for_stderr(messages).each do |message|
+      $stderr.puts(message)
+    end
+  end
+
+  def format_for_stderr(messages)
+    Array(messages).each_with_object([]) do |message, all|
+      all << "#{LINE_PREFACE} #{message}" unless message.empty?
+    end
+  end
+end