Dropdown doesn't close on click outside fix
Dropdown doesn't close on click outside fix

Hi there,

Dropdown component doesn't close on click outside in my app. 
I debugged a little bit problem and found that componentWillUpdate uses incorrect.
It accepts nextProps and nextState and not prevState and nextState
https://facebook.github.io/react/docs/component-specs.html#updating-componentwillupdate
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