| /** PURE_IMPORTS_START tslib,_Subscriber,_Subscription,_Observable,_Subject PURE_IMPORTS_END */ |
| import * as tslib_1 from "tslib"; |
| import { Subscriber } from '../Subscriber'; |
| import { Subscription } from '../Subscription'; |
| import { Observable } from '../Observable'; |
| import { Subject } from '../Subject'; |
| export function groupBy(keySelector, elementSelector, durationSelector, subjectSelector) { |
| return function (source) { |
| return source.lift(new GroupByOperator(keySelector, elementSelector, durationSelector, subjectSelector)); |
| }; |
| } |
| var GroupByOperator = /*@__PURE__*/ (function () { |
| function GroupByOperator(keySelector, elementSelector, durationSelector, subjectSelector) { |
| this.keySelector = keySelector; |
| this.elementSelector = elementSelector; |
| this.durationSelector = durationSelector; |
| this.subjectSelector = subjectSelector; |
| } |
| GroupByOperator.prototype.call = function (subscriber, source) { |
| return source.subscribe(new GroupBySubscriber(subscriber, this.keySelector, this.elementSelector, this.durationSelector, this.subjectSelector)); |
| }; |
| return GroupByOperator; |
| }()); |
| var GroupBySubscriber = /*@__PURE__*/ (function (_super) { |
| tslib_1.__extends(GroupBySubscriber, _super); |
| function GroupBySubscriber(destination, keySelector, elementSelector, durationSelector, subjectSelector) { |
| var _this = _super.call(this, destination) || this; |
| _this.keySelector = keySelector; |
| _this.elementSelector = elementSelector; |
| _this.durationSelector = durationSelector; |
| _this.subjectSelector = subjectSelector; |
| _this.groups = null; |
| _this.attemptedToUnsubscribe = false; |
| _this.count = 0; |
| return _this; |
| } |
| GroupBySubscriber.prototype._next = function (value) { |
| var key; |
| try { |
| key = this.keySelector(value); |
| } |
| catch (err) { |
| this.error(err); |
| return; |
| } |
| this._group(value, key); |
| }; |
| GroupBySubscriber.prototype._group = function (value, key) { |
| var groups = this.groups; |
| if (!groups) { |
| groups = this.groups = new Map(); |
| } |
| var group = groups.get(key); |
| var element; |
| if (this.elementSelector) { |
| try { |
| element = this.elementSelector(value); |
| } |
| catch (err) { |
| this.error(err); |
| } |
| } |
| else { |
| element = value; |
| } |
| if (!group) { |
| group = (this.subjectSelector ? this.subjectSelector() : new Subject()); |
| groups.set(key, group); |
| var groupedObservable = new GroupedObservable(key, group, this); |
| this.destination.next(groupedObservable); |
| if (this.durationSelector) { |
| var duration = void 0; |
| try { |
| duration = this.durationSelector(new GroupedObservable(key, group)); |
| } |
| catch (err) { |
| this.error(err); |
| return; |
| } |
| this.add(duration.subscribe(new GroupDurationSubscriber(key, group, this))); |
| } |
| } |
| if (!group.closed) { |
| group.next(element); |
| } |
| }; |
| GroupBySubscriber.prototype._error = function (err) { |
| var groups = this.groups; |
| if (groups) { |
| groups.forEach(function (group, key) { |
| group.error(err); |
| }); |
| groups.clear(); |
| } |
| this.destination.error(err); |
| }; |
| GroupBySubscriber.prototype._complete = function () { |
| var groups = this.groups; |
| if (groups) { |
| groups.forEach(function (group, key) { |
| group.complete(); |
| }); |
| groups.clear(); |
| } |
| this.destination.complete(); |
| }; |
| GroupBySubscriber.prototype.removeGroup = function (key) { |
| this.groups.delete(key); |
| }; |
| GroupBySubscriber.prototype.unsubscribe = function () { |
| if (!this.closed) { |
| this.attemptedToUnsubscribe = true; |
| if (this.count === 0) { |
| _super.prototype.unsubscribe.call(this); |
| } |
| } |
| }; |
| return GroupBySubscriber; |
| }(Subscriber)); |
| var GroupDurationSubscriber = /*@__PURE__*/ (function (_super) { |
| tslib_1.__extends(GroupDurationSubscriber, _super); |
| function GroupDurationSubscriber(key, group, parent) { |
| var _this = _super.call(this, group) || this; |
| _this.key = key; |
| _this.group = group; |
| _this.parent = parent; |
| return _this; |
| } |
| GroupDurationSubscriber.prototype._next = function (value) { |
| this.complete(); |
| }; |
| GroupDurationSubscriber.prototype._unsubscribe = function () { |
| var _a = this, parent = _a.parent, key = _a.key; |
| this.key = this.parent = null; |
| if (parent) { |
| parent.removeGroup(key); |
| } |
| }; |
| return GroupDurationSubscriber; |
| }(Subscriber)); |
| var GroupedObservable = /*@__PURE__*/ (function (_super) { |
| tslib_1.__extends(GroupedObservable, _super); |
| function GroupedObservable(key, groupSubject, refCountSubscription) { |
| var _this = _super.call(this) || this; |
| _this.key = key; |
| _this.groupSubject = groupSubject; |
| _this.refCountSubscription = refCountSubscription; |
| return _this; |
| } |
| GroupedObservable.prototype._subscribe = function (subscriber) { |
| var subscription = new Subscription(); |
| var _a = this, refCountSubscription = _a.refCountSubscription, groupSubject = _a.groupSubject; |
| if (refCountSubscription && !refCountSubscription.closed) { |
| subscription.add(new InnerRefCountSubscription(refCountSubscription)); |
| } |
| subscription.add(groupSubject.subscribe(subscriber)); |
| return subscription; |
| }; |
| return GroupedObservable; |
| }(Observable)); |
| export { GroupedObservable }; |
| var InnerRefCountSubscription = /*@__PURE__*/ (function (_super) { |
| tslib_1.__extends(InnerRefCountSubscription, _super); |
| function InnerRefCountSubscription(parent) { |
| var _this = _super.call(this) || this; |
| _this.parent = parent; |
| parent.count++; |
| return _this; |
| } |
| InnerRefCountSubscription.prototype.unsubscribe = function () { |
| var parent = this.parent; |
| if (!parent.closed && !this.closed) { |
| _super.prototype.unsubscribe.call(this); |
| parent.count -= 1; |
| if (parent.count === 0 && parent.attemptedToUnsubscribe) { |
| parent.unsubscribe(); |
| } |
| } |
| }; |
| return InnerRefCountSubscription; |
| }(Subscription)); |
| //# sourceMappingURL=groupBy.js.map |