117 lines
4.3 KiB
JavaScript
117 lines
4.3 KiB
JavaScript
/** PURE_IMPORTS_START tslib,_Subject,_scheduler_queue,_Subscription,_operators_observeOn,_util_ObjectUnsubscribedError,_SubjectSubscription PURE_IMPORTS_END */
|
|
import * as tslib_1 from "tslib";
|
|
import { Subject } from './Subject';
|
|
import { queue } from './scheduler/queue';
|
|
import { Subscription } from './Subscription';
|
|
import { ObserveOnSubscriber } from './operators/observeOn';
|
|
import { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError';
|
|
import { SubjectSubscription } from './SubjectSubscription';
|
|
var ReplaySubject = /*@__PURE__*/ (function (_super) {
|
|
tslib_1.__extends(ReplaySubject, _super);
|
|
function ReplaySubject(bufferSize, windowTime, scheduler) {
|
|
if (bufferSize === void 0) {
|
|
bufferSize = Number.POSITIVE_INFINITY;
|
|
}
|
|
if (windowTime === void 0) {
|
|
windowTime = Number.POSITIVE_INFINITY;
|
|
}
|
|
var _this = _super.call(this) || this;
|
|
_this.scheduler = scheduler;
|
|
_this._events = [];
|
|
_this._infiniteTimeWindow = false;
|
|
_this._bufferSize = bufferSize < 1 ? 1 : bufferSize;
|
|
_this._windowTime = windowTime < 1 ? 1 : windowTime;
|
|
if (windowTime === Number.POSITIVE_INFINITY) {
|
|
_this._infiniteTimeWindow = true;
|
|
_this.next = _this.nextInfiniteTimeWindow;
|
|
}
|
|
else {
|
|
_this.next = _this.nextTimeWindow;
|
|
}
|
|
return _this;
|
|
}
|
|
ReplaySubject.prototype.nextInfiniteTimeWindow = function (value) {
|
|
var _events = this._events;
|
|
_events.push(value);
|
|
if (_events.length > this._bufferSize) {
|
|
_events.shift();
|
|
}
|
|
_super.prototype.next.call(this, value);
|
|
};
|
|
ReplaySubject.prototype.nextTimeWindow = function (value) {
|
|
this._events.push(new ReplayEvent(this._getNow(), value));
|
|
this._trimBufferThenGetEvents();
|
|
_super.prototype.next.call(this, value);
|
|
};
|
|
ReplaySubject.prototype._subscribe = function (subscriber) {
|
|
var _infiniteTimeWindow = this._infiniteTimeWindow;
|
|
var _events = _infiniteTimeWindow ? this._events : this._trimBufferThenGetEvents();
|
|
var scheduler = this.scheduler;
|
|
var len = _events.length;
|
|
var subscription;
|
|
if (this.closed) {
|
|
throw new ObjectUnsubscribedError();
|
|
}
|
|
else if (this.isStopped || this.hasError) {
|
|
subscription = Subscription.EMPTY;
|
|
}
|
|
else {
|
|
this.observers.push(subscriber);
|
|
subscription = new SubjectSubscription(this, subscriber);
|
|
}
|
|
if (scheduler) {
|
|
subscriber.add(subscriber = new ObserveOnSubscriber(subscriber, scheduler));
|
|
}
|
|
if (_infiniteTimeWindow) {
|
|
for (var i = 0; i < len && !subscriber.closed; i++) {
|
|
subscriber.next(_events[i]);
|
|
}
|
|
}
|
|
else {
|
|
for (var i = 0; i < len && !subscriber.closed; i++) {
|
|
subscriber.next(_events[i].value);
|
|
}
|
|
}
|
|
if (this.hasError) {
|
|
subscriber.error(this.thrownError);
|
|
}
|
|
else if (this.isStopped) {
|
|
subscriber.complete();
|
|
}
|
|
return subscription;
|
|
};
|
|
ReplaySubject.prototype._getNow = function () {
|
|
return (this.scheduler || queue).now();
|
|
};
|
|
ReplaySubject.prototype._trimBufferThenGetEvents = function () {
|
|
var now = this._getNow();
|
|
var _bufferSize = this._bufferSize;
|
|
var _windowTime = this._windowTime;
|
|
var _events = this._events;
|
|
var eventsCount = _events.length;
|
|
var spliceCount = 0;
|
|
while (spliceCount < eventsCount) {
|
|
if ((now - _events[spliceCount].time) < _windowTime) {
|
|
break;
|
|
}
|
|
spliceCount++;
|
|
}
|
|
if (eventsCount > _bufferSize) {
|
|
spliceCount = Math.max(spliceCount, eventsCount - _bufferSize);
|
|
}
|
|
if (spliceCount > 0) {
|
|
_events.splice(0, spliceCount);
|
|
}
|
|
return _events;
|
|
};
|
|
return ReplaySubject;
|
|
}(Subject));
|
|
export { ReplaySubject };
|
|
var ReplayEvent = /*@__PURE__*/ (function () {
|
|
function ReplayEvent(time, value) {
|
|
this.time = time;
|
|
this.value = value;
|
|
}
|
|
return ReplayEvent;
|
|
}());
|
|
//# sourceMappingURL=ReplaySubject.js.map
|