75 lines
3.6 KiB
JavaScript
75 lines
3.6 KiB
JavaScript
|
"use strict";
|
||
|
|
var __extends = (this && this.__extends) || (function () {
|
||
|
|
var extendStatics = function (d, b) {
|
||
|
|
extendStatics = Object.setPrototypeOf ||
|
||
|
|
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
|
||
|
|
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
|
||
|
|
return extendStatics(d, b);
|
||
|
|
};
|
||
|
|
return function (d, b) {
|
||
|
|
if (typeof b !== "function" && b !== null)
|
||
|
|
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
|
||
|
|
extendStatics(d, b);
|
||
|
|
function __() { this.constructor = d; }
|
||
|
|
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
|
||
|
|
};
|
||
|
|
})();
|
||
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
||
|
|
exports.ReplaySubject = void 0;
|
||
|
|
var Subject_1 = require("./Subject");
|
||
|
|
var dateTimestampProvider_1 = require("./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_1.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_1.Subject));
|
||
|
|
exports.ReplaySubject = ReplaySubject;
|
||
|
|
//# sourceMappingURL=ReplaySubject.js.map
|