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Stored size: 809 Bytes
Contents
module Locomotive::Wagon
module SpinnerConcern
# http://stackoverflow.com/questions/10262235/printing-an-ascii-spinning-cursor-in-the-console
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
end
end
Version data entries
36 entries across 36 versions & 1 rubygems