lib/exceptions.rb in markdown_exec-1.8.7 vs lib/exceptions.rb in markdown_exec-1.8.8

@@ -2,15 +2,17 @@
 # frozen_string_literal: true
 
 # encoding=utf-8
 
 module Exceptions
-  def self.error_handler(name = '', opts = {}, format_string: "\nError: %{name} -- %{message}", color_symbol: :red, take_count: 16)
+  def self.error_handler(name = '', opts = {}, backtrace: $@, format_string: "\nError: %{name} -- %{message}", color_symbol: :red, take_count: 16)
     warn(error = format(format_string,
                         { name: name, message: $! }).send(color_symbol))
-    warn($@.select do |s|
-           s.include? 'markdown_exec'
-         end.reject { |s| s.include? 'vendor' }.take(take_count).map.with_index { |line, ind| " *   #{ind}: #{line}" })
+    if backtrace
+      warn(backtrace.select do |s|
+             s.include? 'markdown_exec'
+           end.reject { |s| s.include? 'vendor' }.take(take_count).map.with_index { |line, ind| " *   #{ind}: #{line}" })
+    end
 
     binding.pry if $tap_enable
     raise ArgumentError, error unless opts.fetch(:abort, true)
 
     exit 1