73 lines
2.8 KiB
JavaScript
73 lines
2.8 KiB
JavaScript
"use strict";
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var __extends = (this && this.__extends) || function (d, b) {
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for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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var Subscriber_1 = require('../Subscriber');
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var Subject_1 = require('../Subject');
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function windowCount(windowSize, startWindowEvery) {
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if (startWindowEvery === void 0) { startWindowEvery = 0; }
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return this.lift(new WindowCountOperator(windowSize, startWindowEvery));
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}
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exports.windowCount = windowCount;
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var WindowCountOperator = (function () {
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function WindowCountOperator(windowSize, startWindowEvery) {
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this.windowSize = windowSize;
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this.startWindowEvery = startWindowEvery;
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}
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WindowCountOperator.prototype.call = function (subscriber) {
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return new WindowCountSubscriber(subscriber, this.windowSize, this.startWindowEvery);
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};
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return WindowCountOperator;
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}());
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var WindowCountSubscriber = (function (_super) {
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__extends(WindowCountSubscriber, _super);
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function WindowCountSubscriber(destination, windowSize, startWindowEvery) {
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_super.call(this, destination);
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this.destination = destination;
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this.windowSize = windowSize;
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this.startWindowEvery = startWindowEvery;
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this.windows = [new Subject_1.Subject()];
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this.count = 0;
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var firstWindow = this.windows[0];
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destination.add(firstWindow);
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destination.next(firstWindow);
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}
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WindowCountSubscriber.prototype._next = function (value) {
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var startWindowEvery = (this.startWindowEvery > 0) ? this.startWindowEvery : this.windowSize;
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var destination = this.destination;
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var windowSize = this.windowSize;
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var windows = this.windows;
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var len = windows.length;
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for (var i = 0; i < len; i++) {
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windows[i].next(value);
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}
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var c = this.count - windowSize + 1;
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if (c >= 0 && c % startWindowEvery === 0) {
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windows.shift().complete();
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}
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if (++this.count % startWindowEvery === 0) {
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var window_1 = new Subject_1.Subject();
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windows.push(window_1);
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destination.add(window_1);
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destination.next(window_1);
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}
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};
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WindowCountSubscriber.prototype._error = function (err) {
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var windows = this.windows;
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while (windows.length > 0) {
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windows.shift().error(err);
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}
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this.destination.error(err);
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};
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WindowCountSubscriber.prototype._complete = function () {
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var windows = this.windows;
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while (windows.length > 0) {
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windows.shift().complete();
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}
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this.destination.complete();
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};
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return WindowCountSubscriber;
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}(Subscriber_1.Subscriber));
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//# sourceMappingURL=windowCount.js.map
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