check if mode is defined before using it

martynsmith / node-irc

NodeJS IRC client library

GNU General Public License v3.0

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Closed chee closed 7 years ago

chee commented 7 years ago

if a mode change was futile, currently the library just panics and dies. (for example, if a user who was not banned is unbanned).

instead, let's check if there's anything to this mode before trying to do things with it.

this fixes #454

chee commented 7 years ago

oh damn, just saw #458