I recently also tried my hand at promises using the node libs Q and when.
There's a gotcha with the progress handler. If you try to call the progress handler before the progress handler actually gets a chance to attach itself outside the function, it'll never actually fire. Some of the bugs with using promises are rather subtle.
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I recently also tried my hand at promises using the node libs Q and when.
There's a gotcha with the progress handler. If you try to call the progress handler before the progress handler actually gets a chance to attach itself outside the function, it'll never actually fire. Some of the bugs with using promises are rather subtle.