Method: Ufo::DSL#task_definition_error

Defined in:
lib/ufo/dsl.rb

#task_definition_error(e) ⇒ Object

Prints out a user friendly task_definition error message



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# File 'lib/ufo/dsl.rb', line 38

def task_definition_error(e)
  error_info = e.backtrace.first
  path, line_no, _ = error_info.split(':')
  line_no = line_no.to_i
  puts "Error evaluating #{path}:".colorize(:red)
  puts e.message
  puts "Here's the line in #{path} with the error:\n\n"

  contents = IO.read(path)
  content_lines = contents.split("\n")
  context = 5 # lines of context
  top, bottom = [line_no-context-1, 0].max, line_no+context-1
  spacing = content_lines.size.to_s.size
  content_lines[top..bottom].each_with_index do |line_content, index|
    line_number = top+index+1
    if line_number == line_no
      printf("%#{spacing}d %s\n".colorize(:red), line_number, line_content)
    else
      printf("%#{spacing}d %s\n", line_number, line_content)
    end
  end
end