41 lines
655 B
Crystal
41 lines
655 B
Crystal
require "./spinner/*"
|
|
|
|
class Spin
|
|
property delay
|
|
property chars : Array(String)
|
|
|
|
CL = STDOUT.tty? ? "\u001b[0G" : "\u000d \u000d"
|
|
CLEAR = STDOUT.tty? ? "\u001b[2K" : "\u000d"
|
|
|
|
def initialize(@delay = 0.1, chars = Spinner::Charset[:pipe])
|
|
@state = true
|
|
@chars = chars.to_a
|
|
end
|
|
|
|
def stop
|
|
@state = false
|
|
print CLEAR
|
|
end
|
|
|
|
private def clear(count)
|
|
print CL * count
|
|
end
|
|
|
|
def start
|
|
spawn do
|
|
i = 0
|
|
while @state
|
|
chars = @chars[i % @chars.size]
|
|
|
|
print "#{chars}"
|
|
# to_s for colorize
|
|
clear(chars.to_s.size)
|
|
|
|
sleep @delay
|
|
|
|
i += 1
|
|
end
|
|
end
|
|
end
|
|
end
|