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keksAccountGUI/node_modulesOLD/rxjs/_esm5/internal/operators/groupBy.js
2019-08-11 20:48:02 +02:00

182 lines
6.6 KiB
JavaScript

/** 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