dmOr function Null safety
A wrapper function for prefixes that allows commands to be invoked from messages without a prefix in Direct Messages.
For example:
CommandsPlugin commands = CommandsPlugin(
prefix: dmOr((_) => '!'),
);
// Add a basic `test` command...
Implementation
String Function(IMessage) dmOr(String Function(IMessage) defaultPrefix) {
return (message) {
String found = defaultPrefix(message);
if (message.guild != null || StringView(message.content).skipString(found)) {
return found;
}
return '';
};
}