node_modules/rxjs/dist/cjs/internal/operators/windowCount.js

"use strict";
var __values = (this && this.__values) || function(o) {
    var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
    if (m) return m.call(o);
    if (o && typeof o.length === "number") return {
        next: function () {
            if (o && i >= o.length) o = void 0;
            return { value: o && o[i++], done: !o };
        }
    };
    throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.windowCount = void 0;
var Subject_1 = require("../Subject");
var lift_1 = require("../util/lift");
var OperatorSubscriber_1 = require("./OperatorSubscriber");
function windowCount(windowSize, startWindowEvery) {
    if (startWindowEvery === void 0) { startWindowEvery = 0; }
    var startEvery = startWindowEvery > 0 ? startWindowEvery : windowSize;
    return lift_1.operate(function (source, subscriber) {
        var windows = [new Subject_1.Subject()];
        var starts = [];
        var count = 0;
        subscriber.next(windows[0].asObservable());
        source.subscribe(OperatorSubscriber_1.createOperatorSubscriber(subscriber, function (value) {
            var e_1, _a;
            try {
                for (var windows_1 = __values(windows), windows_1_1 = windows_1.next(); !windows_1_1.done; windows_1_1 = windows_1.next()) {
                    var window_1 = windows_1_1.value;
                    window_1.next(value);
                }
            }
            catch (e_1_1) { e_1 = { error: e_1_1 }; }
            finally {
                try {
                    if (windows_1_1 && !windows_1_1.done && (_a = windows_1.return)) _a.call(windows_1);
                }
                finally { if (e_1) throw e_1.error; }
            }
            var c = count - windowSize + 1;
            if (c >= 0 && c % startEvery === 0) {
                windows.shift().complete();
            }
            if (++count % startEvery === 0) {
                var window_2 = new Subject_1.Subject();
                windows.push(window_2);
                subscriber.next(window_2.asObservable());
            }
        }, function () {
            while (windows.length > 0) {
                windows.shift().complete();
            }
            subscriber.complete();
        }, function (err) {
            while (windows.length > 0) {
                windows.shift().error(err);
            }
            subscriber.error(err);
        }, function () {
            starts = null;
            windows = null;
        }));
    });
}
exports.windowCount = windowCount;
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