Make updater optional in BaseObservableList

This commit is contained in:
Danila Fedorin 2021-09-29 19:40:21 -07:00
parent 0466b49520
commit 84187ce109

View file

@ -25,11 +25,11 @@ export class BaseMappedList<F,T,R = T> extends BaseObservableList<T> {
protected _sourceList: BaseObservableList<F>;
protected _sourceUnsubscribe: (() => void) | null = null;
_mapper: Mapper<F,R>;
_updater: Updater<F,T>;
_updater?: Updater<F,T>;
_removeCallback?: (value: T) => void;
_mappedValues: T[] | null = null;
constructor(sourceList: BaseObservableList<F>, mapper: Mapper<F,R>, updater: Updater<F,T>, removeCallback?: (value: T) => void) {
constructor(sourceList: BaseObservableList<F>, mapper: Mapper<F,R>, updater?: Updater<F,T>, removeCallback?: (value: T) => void) {
super();
this._sourceList = sourceList;
this._mapper = mapper;