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Instance Method Summary collapse

Instance Method Details

#elapsed(log = nil, good: 'Finished', level: Logger::DEBUG, bad: 'Failed', over: 0) ⇒ Object

The function measures the time taken by a block to execute and then prints it to the log.

require 'elapsed'
elapsed(log) do
  do_something_slow
  throw 'It was completed'
end
Author

Yegor Bugayenko ([email protected])

Copyright

Copyright © 2024-2025 Yegor Bugayenko

License

MIT

Parameters:

  • log (Object) (defaults to: nil) —

    The log to send .debug() to

  • good (String) (defaults to: 'Finished') —

    The message to print on success finish

  • bad (String) (defaults to: 'Failed') —

    The message to print on failure finish

  • level (Integer) (defaults to: Logger::DEBUG) —

    The level of logging to use

  • over (Float) (defaults to: 0) —

    The minimum duration in seconds to report



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# File 'lib/elapsed.rb', line 27

def elapsed(log = nil, good: 'Finished', level: Logger::DEBUG, bad: 'Failed', over: 0)
  start = Time.now
  print_it = lambda do |m|
    duration = Time.now - start
    return if duration < over

    m += " in #{start.ago}"
    if log.nil?
      puts m
    elsif level == Logger::DEBUG && log.respond_to?(:debug)
      log.debug(m)
    elsif level == Logger::INFO && log.respond_to?(:info)
      log.info(m)
    elsif log.respond_to?(:warn)
      log.warn(m)
    elsif log.respond_to?(:puts)
      log.puts(m)
    else
      raise "The log doesn't accept any logging requests"
    end
  end
  begin
    ret = yield
    print_it.call(good.to_s)
    ret
  rescue UncaughtThrowError => e
    tag = e.tag
    throw e unless tag.is_a?(Symbol)
    print_it.call(tag.to_s)
  rescue StandardError => e
    print_it.call(bad.to_s)
    raise e
  end
end