hugoWebsite/node_modules/rxjs/dist/cjs/internal/ReplaySubject.js

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