CommandHelper TabAutoComplete

main.ms

@key = 'registered_aliases';
@prevAliases = get_value(@key);
# Ensure
if (!@prevAliases) {
    @prevAliases = array();
}
set_timeout(0, closure() {
    @completes = array();
    foreach (@alias in get_aliases()) {
        @name = substr(
            @alias, 
            string_position(@alias, '/') + 1, 
            string_position(@alias, ' ')
        );
        if (!array_contains(@prevAliases, @name)) {
            register_command(@name, array(
                'tabcompleter': closure() {}
            ));
        }
        array_push(@completes, @name);
    }
    foreach (@name in @prevAliases) {
        if (!array_contains(@completes, @name)) {
            unregister_command(@name);
        }
    }
    store_value(@key, @completes);
});