addGroup method
Implementation
bool addGroup(List middlewares, String pre, Function make) {
this.group.using = true;
if (pre.endsWith('/')) {
pre = pre.substring(0, pre.length - 1);
}
this.group.pre = pre;
if (middlewares.isNotEmpty) {
this.group.middlewares = middlewares;
}
make();
this.group.middlewares = [];
this.group.using = false;
return true;
}