module Locomotive::Wagon::SpinnerConcern
Public Instance Methods
show_wait_spinner(sentence = nil, fps = 10) { || ... }
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stackoverflow.com/questions/10262235/printing-an-ascii-spinning-cursor-in-the-console
# File lib/locomotive/wagon/commands/concerns/spinner_concern.rb, line 6 def show_wait_spinner(sentence = nil, fps = 10) chars = %w[| / - \\] delay = 1.0/fps iter = 0 spinner = Thread.new do print sentence if sentence 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… spinner.join # …and wait for it to do so. } # Use the block's return value as the method's end