Created
February 26, 2012 16:31
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Async IF Construct using JQuery Deferred
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| async_if = (fn, args, timeout)-> | |
| dfd = new jQuery.Deferred() | |
| curr_probe = null | |
| probe = ()-> | |
| if fn(args) | |
| dfd.resolve(args) | |
| curr_probe = null | |
| else | |
| curr_probe = setTimeout probe, 5 | |
| if timeout | |
| setTimeout(()-> | |
| curr_probe and clearTimeout curr_probe | |
| dfd.reject(args) | |
| ,timeout) | |
| probe() | |
| return dfd.promise() | |
| root = exports ? this | |
| root.async_if = async_if |
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