onSearch method
Implementation
void onSearch(String value) async {
if (widget.type == UFUSingleSelectType.network && widget.onSearch != null) {
widget.onSearch!(value);
} else {
setState(() {
list = widget.mainList
.where((element) => element.label
.trim()
.toLowerCase()
.contains(value.trim().toLowerCase()))
.toList();
});
}
}