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cristinecula/try-times.coffee

Created September 6, 2016 05:38
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try-times.coffee
tryTimes = (f, times, interval) ->
new Promise (resolve, reject) ->
tries = 0
doIt = ->
++tries
try
result = f()
if result
clear()
return resolve(result)
if tries is times
clear()
reject(new Error('Failed'))
interval = setInterval doIt, interval
clear = -> clearInterval(interval)
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