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use instanceof to determine whether an object is a Q promise inside function Q #566
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vilicvane
changed the title
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I am likely to merge this. |
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hope you will. ;) |
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Considering modules using nested Q may have different versions or plugins (yup, such as my q-retry), I think it would be safer to determine whether the Q-promise-alike object is the instance of current Q promise constructor. So that the promise chain would be more reliable especially when promises are widely used in different modules.
This would bring a little bit performance impact, but it should be considered minor (actually only one more coerce for two modules and a single chain).