module Jade

# File lib/jade-rails.rb, line 9
def compile(source, options = {})
  source = source.read if source.respond_to?(:read)

  # Command line arguments take precedence over json options in Jade binary
  # @link https://github.com/jadejs/jade/blob/master/bin/jade.js
  cmd = %w(jade --client)
  cmd.push('--path', options[:filename]) if options[:filename]
  cmd.push('--pretty') if options[:pretty]
  cmd.push('--no-debug') unless options[:debug]
  cmd.push('--obj', JSON.generate(options))

  stdout, stderr, exit_status = Open3.capture3(*cmd, stdin_data: source)

  unless exit_status.success?
    raise CompileError.new(stderr)
  end
  stdout
end