Prevent race condition with listenForAuth (iOS) #94
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chrisbianca changed the title 
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I have found that it is possible for the first auth event to be fired before the listeningForAuth check returns true. This results in the event not being transmitted to the front end, so is effectively lost.
This is a simple PR to set a boolean flag instead of relying on the reference to indicate whether the class is listeningForAuth;