|
|
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 }; |
|
|
|
