Module: MicroInstall

Defined in:
lib/micro_install.rb,
lib/micro_install/spinner.rb,
lib/micro_install/version.rb

Defined Under Namespace

Classes: Installer, LookupError

Constant Summary collapse

VERSION = 
"0.4.0"

Class Method Summary collapse

Class Method Details

.show_wait_spinner(fps = 10) ⇒ Object 



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# File 'lib/micro_install/spinner.rb', line 3

def (fps = 10)
  chars   = %w[| / - \\]
  delay   = 1.0 / fps
  iter    = 0
   = Thread.new do
    while iter do # Keep spinning until told otherwise
      print chars[(iter += 1) % chars.length]
      sleep delay
      print "\b"
    end
  end
  yield.tap {# After yielding to the block, save the return value
    iter = false # Tell the thread to exit, cleaning up after itself…
    .join # …and wait for it to do so.
  } # Use the block's return value as the method's
end