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- import { __extends } from "tslib";
- import { Subject } from './Subject';
- import { dateTimestampProvider } from './scheduler/dateTimestampProvider';
- var ReplaySubject = (function (_super) {
- __extends(ReplaySubject, _super);
- function ReplaySubject(_bufferSize, _windowTime, _timestampProvider) {
- if (_bufferSize === void 0) { _bufferSize = Infinity; }
- if (_windowTime === void 0) { _windowTime = Infinity; }
- if (_timestampProvider === void 0) { _timestampProvider = dateTimestampProvider; }
- var _this = _super.call(this) || this;
- _this._bufferSize = _bufferSize;
- _this._windowTime = _windowTime;
- _this._timestampProvider = _timestampProvider;
- _this._buffer = [];
- _this._infiniteTimeWindow = true;
- _this._infiniteTimeWindow = _windowTime === Infinity;
- _this._bufferSize = Math.max(1, _bufferSize);
- _this._windowTime = Math.max(1, _windowTime);
- return _this;
- }
- ReplaySubject.prototype.next = function (value) {
- var _a = this, isStopped = _a.isStopped, _buffer = _a._buffer, _infiniteTimeWindow = _a._infiniteTimeWindow, _timestampProvider = _a._timestampProvider, _windowTime = _a._windowTime;
- if (!isStopped) {
- _buffer.push(value);
- !_infiniteTimeWindow && _buffer.push(_timestampProvider.now() + _windowTime);
- }
- this._trimBuffer();
- _super.prototype.next.call(this, value);
- };
- ReplaySubject.prototype._subscribe = function (subscriber) {
- this._throwIfClosed();
- this._trimBuffer();
- var subscription = this._innerSubscribe(subscriber);
- var _a = this, _infiniteTimeWindow = _a._infiniteTimeWindow, _buffer = _a._buffer;
- var copy = _buffer.slice();
- for (var i = 0; i < copy.length && !subscriber.closed; i += _infiniteTimeWindow ? 1 : 2) {
- subscriber.next(copy[i]);
- }
- this._checkFinalizedStatuses(subscriber);
- return subscription;
- };
- ReplaySubject.prototype._trimBuffer = function () {
- var _a = this, _bufferSize = _a._bufferSize, _timestampProvider = _a._timestampProvider, _buffer = _a._buffer, _infiniteTimeWindow = _a._infiniteTimeWindow;
- var adjustedBufferSize = (_infiniteTimeWindow ? 1 : 2) * _bufferSize;
- _bufferSize < Infinity && adjustedBufferSize < _buffer.length && _buffer.splice(0, _buffer.length - adjustedBufferSize);
- if (!_infiniteTimeWindow) {
- var now = _timestampProvider.now();
- var last = 0;
- for (var i = 1; i < _buffer.length && _buffer[i] <= now; i += 2) {
- last = i;
- }
- last && _buffer.splice(0, last + 1);
- }
- };
- return ReplaySubject;
- }(Subject));
- export { ReplaySubject };
- //# sourceMappingURL=ReplaySubject.js.map
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