78 lines
3 KiB
JavaScript
78 lines
3 KiB
JavaScript
/** PURE_IMPORTS_START tslib,_Subscriber,_Subject PURE_IMPORTS_END */
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import * as tslib_1 from "tslib";
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import { Subscriber } from '../Subscriber';
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import { Subject } from '../Subject';
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export function windowCount(windowSize, startWindowEvery) {
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if (startWindowEvery === void 0) {
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startWindowEvery = 0;
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}
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return function windowCountOperatorFunction(source) {
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return source.lift(new WindowCountOperator(windowSize, startWindowEvery));
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};
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}
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var WindowCountOperator = /*@__PURE__*/ (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, source) {
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return source.subscribe(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 = /*@__PURE__*/ (function (_super) {
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tslib_1.__extends(WindowCountSubscriber, _super);
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function WindowCountSubscriber(destination, windowSize, startWindowEvery) {
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var _this = _super.call(this, destination) || this;
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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()];
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_this.count = 0;
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destination.next(_this.windows[0]);
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return _this;
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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 && !this.closed; 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 && !this.closed) {
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windows.shift().complete();
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}
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if (++this.count % startWindowEvery === 0 && !this.closed) {
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var window_1 = new Subject();
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windows.push(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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if (windows) {
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while (windows.length > 0 && !this.closed) {
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windows.shift().error(err);
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}
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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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if (windows) {
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while (windows.length > 0 && !this.closed) {
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windows.shift().complete();
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}
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}
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this.destination.complete();
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};
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WindowCountSubscriber.prototype._unsubscribe = function () {
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this.count = 0;
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this.windows = null;
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};
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return WindowCountSubscriber;
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}(Subscriber));
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//# sourceMappingURL=windowCount.js.map
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