Checks if the input can be handled by this class. If it cannot handle the input, rejects with an error explaining why.
Handles the given input. This may only be called if canHandle did not reject. When unconditionally calling both in sequence, consider handleSafe instead.
A promise resolving when handling is finished.
Input data that will be handled if it can be handled.
A promise resolving if the input can be handled, rejecting with an Error if not.
Parses and validates the input form data. Will throw an error in case something is wrong. All relevant data that was correct up to that point will be prefilled.
Handles the submission of the Login Form and logs the user in.